ГЕТЕРОЦИКЛИЧЕСКИЕ СОЕДИНЕНИЯ И ИХ ПРИМЕНЕНИЕ В ЭЛЕКТРООПТИЧЕСКИХ ИЛИ ОПТОЭЛЕКТРОННЫХ УСТРОЙСТВАХ

Materialien für organische Elektrolumineszenzvorrichtungen

Heterocyclische Verbindungen und organische lichtemittierende Vorrichtungen, die diese aufweisen

Es werden heterocyclische Verbindungen, Syntheseverfahren zu ihrer Herstellung und organische lichtemittierende Anzeigevorrichtungen, die sie aufweisen, beschrieben. Die gegenständlichen heterocyclischen Verbindungen können einen aromatischen Ring oder einen heteroaromatischen Ring aufweisen, der mit einem Carbazol-, Dibenzothiophen- oder Dibenzofuranderivat kondensiert ist, wobei die Verbindungen steife Hauptkettengerüste mit hohen Glasübergangstemperaturen und hohen Schmelzpunkten aufweisen. Die gegenständlichen heterocyclischen Verbindungen können hohe elektrische Stabilität, verbesserte Ladungstransportfähigkeiten, einen hohen Wärmewiderstand und verbesserte Lichtemissionseigenschaften aufweisen, wenn sie in organischen lichtemittierenden Vorrichtungen verwendet werden. Organische lichtemittierende Anzeigevorrichtungen, die gemäß der vorliegenden Erfindung hergestellt werden, weisen eine niedrigere Ansteuerspannung, eine höhere Lichtausbeute und eine längere Lebensdauer auf.

OLED-Anzeigefeld und elektronische Vorrichtung, die dieses umfasst

Die vorliegende Erfindung betrifft ein OLED-Anzeigefeld mit einer ersten Elektrode und einer ersten Lochtransportschicht, einer zweiten Lochtransportschicht, und einer Elektronentransportschicht, welche auf der ersten Elektrode sequentiell gestapelt sind, und einer darauf ausgebildeten zweiten Elektrode; mindestens zwei Leuchteinheiten sind auf der zweiten Lochtransportschicht vorgesehen; die Elektronentransportschicht bedeckt die Leuchteinheiten; das Material der Elektronentransportschicht füllt die Lücke(n) zwischen benachbarten Leuchteinheiten; die erste Lochtransportschicht umfasst ein Lochtransportmaterial, das eine Lochbeweglichkeit von 9×10-5×10cm/V·S und eine Löslichkeit von 10 g/L oder höher in einer Maskenreinigungslösung bei 25°C aufweist. Gemäß der vorliegenden Erfindung wird ein Lochtransportmaterial mit einer spezifischen Lochbeweglichkeit als gemeinsame Lochtransportschicht verwendet, wodurch ein Übersprechen zwischen unterschiedlichen Pixeln vermieden werden kann, während ...

Novel electroluminescent materials

Organic light emitting diode

Organic light-emitting device and method

Nanoparticles

Organic semiconductors

Light emitting device and organic light emitting display device including the same

Electroluminescent display device

Polymer

Display device

A display device includes a substrate 110 with a plurality of subpixels P1, P2, P3, a lower electrode 121, 122, 123 for each subpixel, a light emitting layer on the lower electrode and an upper electrode on the light emitting layer, where the light emitting layer includes a photoisomerized material. The light emitting layer 131, 132, 133 comprises a hole transport layer (HTL), a light generating layer (EML1, EML2, EML3) a first electron transport layer (ETL) and second electron transport layer (PC-ETL) which comprises a photoisomerized material such as a diarylethene based photochromic material. The second electron transporting layer (PC-ETL) is subject to UV irradiation and subsequently formed upper electrode layer 141, 142, 143 nucleates selectively on the irradiated areas of the light emission layer. Plasma ashing may be performed to remove the light emitting layer which is not irradiated by UV light. The light emission layer and upper electrode for each subpixel is formed to be separated ...

CBP CONNECTION

ELEKTROLUMINISZIERENDE MATERIALS

QUASI TWO-DIMENSIONAL LAYERED PEROVSKITE MATERIAL, RELATED DEVICES AND METHODS FOR MANUFACTURING THE SAME

Optoelectronic devices, such as photovoltaic device and light-emitting diode, are provided. The devices include a quasi two-dimensional layered perovskite material and a passivating agent chemically bonded to the quasi two-dimensional layered perovskite material. The passivating agent includes a phosphine oxide compound. An active material is also provided. The active material includes a quasi two-dimensional perovskite compound having outermost edge(s), and a passivating agent chemically bonded to the outermost edge(s). The passivating agent includes a phosphine oxide compound. Methods for manufacturing the optoelectronics devices and the active material are also provided.

ORDERED ORGANIC-ORGANIC MULTILAYER GROWTH

An ordered multilayer crystalline organic thin film structure is formed by depositing at least two layers of thin film crystalline organic materials successively wherein the at least two thin film layers are selected to have their surface energies within ± 50% of each other, and preferably within ± 15% of each other, whereby every thin film layer within the multilayer crystalline organic thin film structure exhibit a quasi-epitaxial relationship with the adjacent crystalline organic thin film.

Compound For Organic Optoelectric Device, Organic Light-Emitting Diode Including Same, And Display Device Including Organic Light-Emitting Diode

The present invention relates to a compound for an organic optoelectric device, an organic light-emitting diode including the same, and a display device including the organic light-emitting diode, wherein the compound for the organic optoelectric device is expressed by a combination of chemical formulas 1 and 2, thereby producing an organic light-emitting diode having an excellent life span due to superior electrochemical properties and thermal stability, and having a high light-emitting efficiency even in a low driving voltage.

Light-emitting element, light-emitting device, display device, and electronic apparatus

Organic optoelectronic device and display apparatus

Electro-optical device and use thereof

Heterocyclic compounds and organic electronic device comprising the same

Organic light emitting device and display device including the same

Display panel and production method thereof and display device

Aromatic heterocyclic derivative, material for organic eletroluminescent element, and organic electroluminescent element

Organic electroluminescence material, organic electroluminescence device and display device

Composition, and light-emitting element using same

Organic luminescence compound as well as preparation method thereof and organic electroluminescence device

Used as dopant and other uses of the metal complex

Method, for manufacturing organic electroluminescent device, lighting device, and display device

For OLED device of the layered structure, the layered structure for manufacturing method, and has the layered structure of the OLED device

Organic light-emitting device

Fused ring compound and organic light-emitting element containing the same

Material, for organic electroluminescent element, organic electroluminescent element, and lighting device for display device, and

Organic electroluminescent device

DELO AND ILLUMINATING DOUBLE DEVICE Of LIGHTING

Diode électroluminescente organique, DELO, comprenant un empilage comprenant successivement et dans l'ordre : une première électrode (2, 8), d'un premier type d'électrode, parmi anode (2) ou cathode (8), transparente, une première couche de transport (3, 7) d'un premier type de porteur de charge, parmi électron ou trou, une couche d'émission (5), une deuxième couche de transport (7, 3) d'un deuxième type de porteur de charge, différent du premier type de porteur charge, une deuxième électrode (8, 2), d'un deuxième type d'électrode, différent du premier type d'électrode, où ladite couche d'émission (5) est apte à émettre une couleur blanche, telle que l'émission (21) au travers de ladite première électrode (2, 8) soit sensiblement conforme à un illuminant D65, où ladite deuxième électrode (8, 2) est transparente, et où l'épaisseur de la deuxième couche de transport (7, 3) est réglée de telle manière à ce que l'émission (22) au travers de ladite deuxième électrode (8, 2) soit sensiblement ...

헤테로환 화합물 및 이를 이용한 유기 발광 소자

... 본 명세서는 헤테로환 화합물 및 이를 이용한 유기 발광 소자를 제공한다.

신규한 화합물 및 이를 포함하는 유기발광 소자

... 본 발명은 신규한 인돌로 카바졸 화합물 및 이를 포함하는 유기 발광 소자를 제공한다.

전자 디바이스용 재료

... 본 발명은 식 (I) 에 따른 화합물들, 전자 디바이스들에서의 그 화합물들의 용도, 그 화합물들의 제조 방법, 및 그 화합물들을, 바람직하게 전자 수송 재료들로서, 정공 차단 재료들로서, 매트릭스 재료들로서 및/또는 에미터 재료들로서 포함하는 전자 디바이스들에 관한 것이다.

유기 전계발광 장치용 인데노트리페닐렌계 아민 유도체

... 본 발명은 다음의 식 (A)로 표시되는 인데노트리페닐렌계 아민 유도체, 상기 화합물을 정공 수송 물질, 전자 차단 물질로서 이용하는 유기 EL 장치를 개시하며, 이로써 구동 전압 및 전력 소비를 낮추고, 효율 및 반감기를 증가시킬 수 있다. 상기에서, R1 내지 R5, m, n, p, L 및 Ar은 본 발명의 명세서에서 개시된 것과 동일하게 정의된다.

유기전계발광소자

... 본 명세서에는 기판; 상기 기판 상에 구비된 캐소드; 상기 캐소드 상에 구비된 발광층; 상기 발광층 상에 구비된 애노드를 포함하는 유기전계발광소자로서, 상기 캐소드와 발광층 사이에 구비된 제1 p형 유기물층 및 상기 제1 p형 유기물층과 상기 발광층 사이에 구비된 제1 n형 유기물층을 포함하는 유기전계발광소자가 개시된다.

유기 화합물 및 이를 포함하는 유기 전계 발광 소자

... 본 발명은 유기 화합물 및 이를 포함하는 유기 전계 발광 소자에 관한 것으로서, 본 발명의 유기 화합물은 유기 전계 발광 소자의 유기물층, 바람직하게는 발광층에 사용됨에 따라 유기 전계 발광 소자의 발광효율, 구동 전압, 수명 등을 향상시킬 수 있다.

유기 반도체

... 하나 이상의 양성이온(zwitterion)을 포함하는 제 1 반도체성 중합체를 함유하는 전하 수송 층을 포함하는 광전자 소자.[대표도]도 2 ...

COMPOUND FOR ORGANIC OPTOELECTRONIC DEVICE, ORGANIC LIGHT EMITTING DIODE INCLUDING THE SAME AND DISPLAY INCLUDING THE ORGANIC LIGHT EMITTING DIODE

... 유기광전자소자용 화합물, 이를 포함하는 유기발광소자 및 상기 유기발광소자를 포함하는 표시장치에 관한 것으로, 하기 화학식 I 및 화학식 II로 표시되는 모이어티들이 순차적으로 연결된 유기광전자소자용 화합물을 제공하여, 우수한 전기화학적 및 열적 안정성으로 수명 특성이 우수하고, 낮은 구동전압에서도 높은 발광효율을 가지는 유기발광소자를 제조할 수 있다. [화학식 I] [화학식 II] , 상기 X, Y, R1 내지 R8, L1 내지 L3, n1 내지 n3, Ar1, 및 Ar2는 명세서 내에 정의한 바와 같다.

ORGANIC LIGHT EMITTING DEVICE

ORGANIC PHOTODIODE AND PHOTOELECTRIC PLETHYSMOGRAPHY SENSOR COMPRISING THE SAME

유기 발광 소자

... 본 명세서는 유기 발광 소자에 관한 것이다.

ORGANIC LIGHT EMITTING DIODE DEVICE

MATERIALS FOR ORGANIC ELECTROLUMINESCENT DEVICES

HETEROCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING DEVICE USING THE SAME

유기 일렉트로 루미네센스 소자

... 고효율, 고내구성의 유기 일렉트로 루미네센스 소자용의 재료로서 정공 및 전자의 주입·수송 성능, 전자 저지 능력, 박막 상태에서의 안정성, 이나 내구성이 우수한 유기 일렉트로 루미네센스 소자용의 각종 재료를, 각각의 재료가 가지는 특성이 효과적으로 발현될 수 있도록 조합하는 것으로, 고효율, 저구동 전압, 장수명의 유기 일렉트로 루미네센스 소자를 제공하는 것. 적어도 양극, 정공 수송층, 발광층, 전자 수송층 및 음극을 이 순서로 가지는 유기 일렉트로 루미네센스 소자에 있어서, 상기 정공 수송층이 하기 일반식 (1)로 나타나는 아릴아민 화합물을 함유하고, 상기 전자 수송층이 하기 일반식 (2)로 나타나는 안트라센환 구조를 가지는 화합물을 함유하는 것을 특징으로 하는 유기 일렉트로 루미네센스 소자.

Organic electroluminescent element and electronic device

ORGANIC LIGHT EMITTING DISPLAY DEVICE AND METHOD OF MANUFACTURING AN ORGANIC LIGHT EMITTING DISPLAY DEVICE

LIGHT EMITTING ELEMENT, LIGHT EMITTING DEVICE, DISPLAY DEVICE, ELECTRONIC DEVICE, AND LIGHTING DEVICE

Provided is a light emitting element having excellent light emitting efficiency by not using a rare earth metal as a light emitting material. The light emitting element comprises a first electrode, a second electrode, and a layer including an organic compound between the first electrode and the second electrode, wherein the layer including the organic compound has a light emitting layer including at least fluorescent light emitting materials. The light emitting layer comprises fluorescent light emitting materials, a first organic compound, and a second organic compound. The first organic compound and the second organic compound are a combination of forming an excitation complex. The first organic compound has a first frame including a benzofuro pyrimidine frame and a benzothieno pyrimidine frame. COPYRIGHT KIPO 2016 (131_1) First organic compound (131_2) Second organic compound (132) Fluorescent light emitting material (AA) Energy (BB) Light emitting (CC) Excitation complex ...

공액 중합체

... 본 발명은 하나 이상의 [1,2,5]티아디아졸로[3,4-e]이소인돌-5,7-다이온(TID) 반복 단위를 함유하는 신규의 공액 중합체, 이의 제조 방법 및 이에 사용된 유리체(educt) 또는 중간체, 이를 함유하는 중합체 블렌드, 혼합물 및 제형, 상기 중합체, 중합체 블렌드, 혼합물 및 제형의 유기 전자(OE) 장치, 특히 유기 광전변환(OPV) 장치 및 유기 광검출기(OPD)에서 유기 반도체로서의 용도, 및 이러한 중합체, 중합체 블렌드, 혼합물 또는 제형을 포함하는 OE, OPV 및 OPD 장치에 관한 것이다.

LIGHT EMTTING DEVICE USING GRAPHENE QUANTUM DOT AND ORGANIC LIGHT EMITTING DEVICE INCLUDING THE SAME

HETEROCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING SAME

Disclosed are a heterocyclic compound represented by chemical formula 1 and an organic light emitting device comprising the same. A heterocyclic compound of the present invention can be used as a material for an organic layer in an organic light emitting device, thereby being capable of improving efficiency, having low driving voltage and/or improving lifespan properties of an organic light emitting device. COPYRIGHT KIPO 2018 ...

NOVEL ORGANIC COMPOUNDS AND ORGANIC LIGHT-EMITTING DIODE COMPRISING SAME

The present invention relates to an organic compound represented by the chemical formula A or B, and to an organic light-emitting diode comprising the same, and in the chemical formula A and the chemical formula B, R1 to R12, L1, L2, Ar1 to Ar3, n and m are as described in the description of the invention. Accordingly, a first technical object of the present invention is to provide a specific structure of organic compound having high efficiency, low voltage and long life characteristics by using the compound in an emitting layer, an electron transporting layer or a hole transporting layer in the organic light emitting diode. COPYRIGHT KIPO 2018 ...

유기 전계 발광 소자

... 저전압이면서 높은 발광 효율을 나타내고, 또한 높은 구동 안정성을 갖는 유기 EL 소자를 제공한다. 기판 상에 양극, 유기층 및 음극이 적층되어 이루어지는 유기 전계 발광 소자에 있어서, 상기 유기층의 적어도 1층에 (i) 하기 일반식(1)으로 나타내어지는 화합물과, (ii) 1개 이상의 2가의 카르보란기와 이 카르보란기로 치환하는 방향족기를 갖는 카르보란 화합물을 포함하는 유기 전계 발광 소자이다. [여기서, X1 및 X2는 NR1, PR2, O, S, Se, CR3R4 또는 SiR5R6을 나타내고, Y는 단일결합 또는 방향족기이다] ...

ORGANIC COMPOUND AND ORGANIC LIGHT EMITTING DIODE AND ORGANIC LIGHT EMITTING DISPLAY DEVICE COMPRISING SAME

The present invention relates to an organic compound in which a triphenylene moiety is introduced to a triazine moiety through a linker, an organic light emitting diode using the compound, and an organic light emitting diode display. In the organic compound of the present invention, the triphenylene moiety having a high triplet energy level value is introduced into a triazine moiety having excellent electron transporting ability to prevent a triplet exciton in a light emitting material layer from diffusing into an electron transporting layer and induce generation of a singlet exciton in the light emitting material layer. Therefore, the organic compound of the present invention can be applied to the electron transporting layer or the like of the light emitting device, thereby enhancing luminous efficiency of the light emitting device and enhancing lifetime of the light emitting device. COPYRIGHT KIPO 2018 ...

ORGANIC ELECTROLUMINESCENT ELEMENT, COMPOUND AND MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENT, USED IN THE SAME, AND LIGHT EMITTING DEVICE, DISPLAY DEVICE AND ILLUMINATION DEVICE, USING THE ELEMENT

CONDENSED RING COMPOUND AND ORGANIC LIGHT EMITTING DEVICE INCLUDING SAME

Disclosed are a condensed ring compound and an organic light emitting device including the same. In the condensed ring compound represented by chemical formula 1, R_1 to R_12 are each independently selected from a group represented by chemical formula 2, *---(L_1)_(a1)---(Ar_1)_(b1), hydrogen, deuterium, -F, -Cl, -Br, -I, a hydroxyl group, a cyano group, a nitro group, an amidino group, a hydrazino group, a hydrazono group, a substituted or unsubstituted C_1-C_60 alkyl group, a substituted or unsubstituted C_2-C_60 alkenyl group, a substituted or unsubstituted C_2-C_60 alkynyl group, and a substituted or unsubstituted C_1-C_60 alkoxy group. According to the present invention, the organic light emitting device has a low driving voltage, a high efficiency, and a long lifespan. COPYRIGHT KIPO 2018 ...

ORGANIC COMPOUNDS AND ORGANIC ELECTRO LUMINESCENCE DEVICE COMPRISING THE SAME

SEALED STRUCTURE, LIGHT-EMITTING DEVICE, ELECTRONIC DEVICE, AND LIGHTING DEVICE

유기 전계 발광 소자 및 그의 제조 방법

... 본 발명의 유기 전계 발광 소자는 기재 상에 적어도, 제1 도전층과, 습식 성막법에 의해 형성된 전하 주입 수송층과, 발광층과, 제2 도전층이 적층되고, (1) 전하 주입 수송층은 제1 도전층에 접하는 전하 주입층을 포함하고, (2) 전하 주입 수송층의 막 두께가 130 내지 1000nm이며, (3) 전하 주입층이 가교된 방향족 아민 중합체를 포함한다. 기재는 유리 기재이며, 유리 기재의 제1 도전층측 표면의 파상 정접의 최솟값이 4.00×10-6 이상, 또는 파상 정접의 최댓값이 22×10-6 이상이다.

PHOSPHORESCENT ORGANIC LIGHT EMITTING DEVICE

The present invention relates to a phosphorescent organic light emitting device. More specifically, the present invention relates to a phosphorescent organic light emitting device which can have high light emitting efficiency even at a low driving voltage by containing one or more than one selected from the group comprising 9-phenyl-3,6-bis(4,6-diphenyl-1,3,5-triazine-2-yl)-9H-carbazole, 2-(4,6-diphenyl-1,3,5-triazine-2-yl)-9,9-diphenyl-9H-fluorene, 2-(4,6-diphenyl-1,3,5-triazine-2-yl)-9,9-dimethylfluorene-2-boronic acid pinacol ester, 9-phenyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-9H-carbazole, 9-phenyl-3,6-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-9H-carbazole, and 2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-9,9-diphenyl-9H-fluorene in the organic light emitting layer as an organic light emitting diode including: a first electrode; a second electrode facing the first electrode; and an organic light emitting layer disposed between the first and second electrodes ...

ORGANIC ELECTROLUMINESCENT DEVICE

LIGHT-EMITTING ELEMENT

ORGANIC LIGHT EMITTING ELEMENT AND DISPLAY DEVICE COMPRISING SAME

An organic light emitting element comprises: a first electrode; a hole transport region provided on top of the first electrode; a luminous layer provided on top of the hole transport region; a buffer layer on top of the luminous layer; an electron transport region provided on top of the buffer layer; and a second electrode provided on top of the electron transport region. The buffer layer includes at least one among a carbazole derivative, a phenanthroline derivative, a triazole derivative, and a quinolinolato metal complex. The organic light emitting element of the present invention has high efficiency and long lifespan. COPYRIGHT KIPO 2016 ...

Light emitting device

Organic electroluminescent device emitting blue light

COMPOUND FOR AN ORGANIC PHOTOELECTRIC DEVICE WITH EXCELLENT ELECTROCHEMICAL AND THERMAL STABILITY AND THE ORGANIC PHOTOELECTRIC DEVICE INCLUDING THE SAME

PURPOSE: A compound for an organic photoelectric device is provided to act as light-emitting, or electron injection and/or transport roles as well as a luminous host with proper dopants, and to ensure excellent electrochemical stability, lifetime, and efficiency. CONSTITUTION: A compound for an organic photoelectric device is represented by chemical formula 1. In chemical formula 1, Ar1 is substituted or unsubstituted C2 - C30 heteroaryl group; Ar2 - Ar5 are the same or different and represent substituted or unsubstituted C6 - C30 aryl group; L1 and L2 are the same or different and represent substituted or unsubstituted C6 - C30 arylene group; X1 - X3 are the same or different and represent hetero atom or C-H, wherein one of X1 - X3 is a hetero atom; and Y1 - Y3 are the same or different and represent hetero atom or C-H, wherein one of Y1 - Y3 is a hetero atom. COPYRIGHT KIPO 2011 ...

ORGANIC LIGHT EMITTING DEVICE

An organic light emitting device according to an embodiment of the present invention includes a first light emitting unit which is formed on an anode and includes a first light emitting layer and a first hole transport layer, a second light emitting unit which is formed on the first light emitting unit and includes a second light emitting layer and a second hole transport layer, a third light emitting unit which is formed on the second light emitting unit and includes a third light emitting layer and a third hole transport layer, and a cathode formed on the third light emitting unit. The third light emitting unit further includes a fourth light emitting layer which emits light with the same color as the third light emitting layer and includes a mixed host in which at least two hosts are mixed and one dopant. A fourth hole transport layer which is in contact with the third light emitting layer and has hole mobility smaller than the hole mobility of the third hole transport layer is further ...

NOVEL COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING SAME

The present invention relates to a novel compound represented by chemical formula 1, and an organic light emitting device comprising the compound as an electron transport layer or a hole block layer. The long-term device driving stability is also improved due to low voltage, high efficiency, and high optical stability of the organic light emitting device. COPYRIGHT KIPO 2017 ...

ORGANIC LIGHT EMITTING ELEMENT AND ORGANIC LIGHT EMITTING DISPLAY DEVICE USING SAME

The present invention relates to an organic light emitting element and an organic light emitting display device using the same, capable of improving a lifetime and efficiency by preventing electrons from being accumulated in an interface of a hole transporting layer. The organic light emitting element includes: the hole transporting layer formed between an anode and a light emitting layer, in contact with the anode and the light emitting layer; an electron blocking and trapping layer made of a first organic material and a second organic material with a LUMO level lower than that of the first organic material; and an electron transporting layer formed between the light emitting layer and a cathode. COPYRIGHT KIPO 2018 (AA) Mixed area (BB) Buffer area ...

New dibenzofurans and dibenzothiophenes

Nitrogenated heterocyclic ring derivative and organic electroluminescent element comprising same

Disclosed is a nitrogenated heterocyclic ring derivative represented by formula (1). (In the formula, any 12-a groups selected from R1 to R12 independently represent a hydrogen atom, a fluorine atom, an aryl group having 6 to 30 carbon atoms that form a substituted or unsubstituted ring, a heterocyclic ring group having 5 to 30 atoms that form a substituted or unsubstituted ring; any a groups selected from R1 to R12 independently represent a single bond and each of the groups is bound to L1; L1 represents a single bond, a hydrocarbon ring group having a valency of b+1 and having 6 to 30 carbon atoms that form a substitued or unsubstituted ring, or a heterocyclic ring group having a valency of b+1 and having 5 to 30 atoms that form a substituted or unsubstituted ring; HAr represents a substituted or unsubstituted nitrogenated heterocyclic ring group; and a and b independently represent an integer of 1 to 4, wherein at least one of a and b is 1.) Also disclosed is a nitrogenated heterocyclic ...

Phenanthroline-based compound for organic electroluminescence device

The present invention discloses a phenanthroline-based compound and an organic EL device employing the compound as phosphorescent light emitting host material of a light emitting layer and/or electron transporting layer material and/or hole blocking layer material and/or a thermally activated delayed fluorescence (TADF) material of a light emitting layer which can display good performance.

Organometallic compound, organic light-emitting device including the same, and diagnostic composition including the organometallic compound

Provided are an organometallic compound, an organic light-emitting device including the organometallic compound, and a diagnostic composition including the organometallic compound. The organometallic compound is represented by Formula 1A: (Formula 1A), wherein, in Formula 1A, each group and each variable are as described in the description.

Compound having structure of triazole ring to which pyridyl groups are bonded, and organic electroluminescence element

A host compound of a light emitting layer, which excels in electron transporting performance and hole blocking property, has a high excited triplet level and is capable of completely confining a triplet exciton of a phosphorescent emitter, is provided as a material for an organic electroluminescence element of high efficiency, and the organic electroluminescence element of high efficiency and high brightness is provided using this compound. The compound having a structure of triazole ring to which pyridyl groups substituted with carbazolyl groups are bonded, is represented by a general formula (1), and the organic electroluminescence element having a pair of electrodes and at least one organic layer sandwitched therebetween is characterized in that the compound, which is represented by the general formula (1) and has a structure of triazole ring to which pyridyl groups substituted with carbazolyl groups are bonded, is used as a constitutive material of at least one organic layer in the ...

2,7-bisanthranyl naphthalene compound, material of light-emitting layer, organic electroluminescence device, display apparatus and illumination apparatus

A 2, 7-bisanthranyl naphthalene compound, material of light-emitting layer, organic electroluminescence device, display apparatus and illumination apparatus are provided. The organic electroluminescence device has low voltage and excellent device life. A 2, 7-bisanthranyl naphthalene compound is obtained by using specific anthracene derivatives to substitute the 2-site and 7-site of naphthalene. The 2, 7-bisanthranyl naphthalene compound is used as a material of light-emitting layer to manufacture a organic electroluminescence device.

Material for organic electroluminescent element, organic electroluminescent element, display device and lighting device

An organic electroluminescent element having improved driving voltage and current efficiency is provided. The organic electroluminescent element use a polycyclic aromatic compound as a material for the organic electroluminescent element to improve the above-mentioned properties. In the polycyclic aromatic compound, a nitrogen atom and another hetero atom or a metal atom (X) are adjacent in a non-aromatic ring.

Light emitting device

By doping an organic compound functioning as an electron donor (hereinafter referred to as donor molecules) into an organic compound layer contacting a cathode, donor levels can be formed between respective LUMO (lowest unoccupied molecular orbital) levels between the cathode and the organic compound layer, and therefore electrons can be injected from the cathode, and transmission of the injected electrons can be performed with good efficiency. Further, there are no problems such as excessive energy loss, deterioration of the organic compound layer itself, and the like accompanying electron movement, and therefore an increase in the electron injecting characteristics and a decrease in the driver voltage can both be achieved without depending on the work function of the cathode material.

Novel compound and organic light-emitting device including the same

A compound, an organic light-emitting device, and a display device, the compound represented by Formula 1: (Formula 1).

Organic light emitting display device and display apparatus

An organic light emitting display device is provided. A functional structure layer includes a hole injection layer on a first electrode, a first hole transport layer, a second hole transport layer, an organic light emitting layer, an electron transport layer, and an electron injection layer. The highest occupied molecular orbital level of the first hole transport layer is less than the highest occupied orbital level of the second hole transport layer. The triplet state of the second hole transport layer is greater than 2.5 eV. The organic light emitting layer includes a light-emitting host material, and the light-emitting host material includes a hot-start retarding fluorescent material. The organic light emitting display device has a two-layer hole transport layer, in which the second hole transport layer serves as an electron blocking layer and an optical compensation layer, and is matched with a hot start retardation phosphor in the organic light emitting layer, and thus the current ...

Light-emitting element, light-emitting device, electronic device, and lighting device

A light-emitting element having a long lifetime is provided. A light-emitting element exhibiting high emission efficiency in a high luminance region is provided. A light-emitting element includes a light-emitting layer between a pair of electrodes. The light-emitting layer contains a first organic compound, a second organic compound, and a phosphorescent compound. The first organic compound is represented by a general formula (G0). The molecular weight of the first organic compound is greater than or equal to 500 and less than or equal to 2000. The second organic compound is a compound having an electron-transport property. In the general formula (G0), Ar1 and Ar2 each independently represent a fluorenyl group, a spirofluorenyl group, or a biphenyl group, and Ar3 represents a substituent including a carbazole skeleton.

Compound and organic electronic device using the same

Provided are a novel compound and an organic electronic device using the same. The novel compound is represented by the following Formula (I): Formula (I); wherein one of G1 to G4 is selected from the group consisting of: an heteroaryl group having 3 to 60 carbon atoms and containing at least one nitrogen atom, a cycloalkyl group, a heterocycloalkyl group, an aryl group, an aryloxy group, an arylsilyl group, an arylboron group having 3 to 60 carbon atoms and substituted with at least one functional group, an alkyl group, an alkenyl group, an alkynyl group, an alkoxy group, an alkylsilyl group, an alkylboron group, a phosphine group, and a phosphine oxide group having 1 to 40 carbon atoms and substituted with at least one functional group, wherein said functional group is selected from the group consisting of: a cyano group, a nitro group, a fluoro group, and a chloro group. The others of G1 to G4 and G5 are each independently selected from the substituted or nonsubstituted groups aforesaid ...

Hetero-cyclic compound and organic light emitting device comprising the same

The present specification relates to a hetero-cyclic compound and an organic light emitting device including the same.

Organic electron transport materials

The present invention relates to an organic electron transport materials having the structure as shown in the formula (I), wherein R1 to R4 are independently hydrogen, C1 to C8 substituted or unsubstituted alkyl group, or C2-C8 substituted or unsubstituted alkene-alkyl group, or C2-C8 substituted or unsubstituted alkynyl-alkyl group, wherein the substituents are the C1-C4 alkyl group or halogen. The experimental results of a devices show that the electronics-only organic semiconductor diode devices and organic electroluminescent devices produced by the organic electron transport material of the present invention have good electron transmission performance, high brightness and stability, as will as long service life. (I).

Organic molecules for use in organic optoelectronic devices

The invention relates to organic molecules, especially for use in optoelectronic components. According to the invention, the organic molecules have a structure with: - a first chemical unit having a structure of formula A1 - at least one second chemical unit having a structure of formula D1 with # = point of attachment of the second chemical unit to the first chemical unit; RN is a structure of the formula N1 with = point of attachment of the chemical unit of formula N1 to the first chemical unit.

LIGHT-EMITTING ELEMENT

Pyrimidine derivatives and organic electroluminescence devices

Heterocyclic compound, light-emitting element, light-emitting device, electronic device, lighting device, and organic compound

Provided is a novel heterocyclic compound which can be used in a light-emitting layer of a light-emitting element as a host material in which a light-emitting material is dispersed, i.e., a heterocyclic compound represented by a general formula (G1). Any one of R1 to R10 represents a substituent represented by a general formula (G1-1); another one of R1 to R10 represents hydrogen, an alkyl group having 1 to 6 carbon atoms, a substituted or unsubstituted phenyl group, a substituted or unsubstituted biphenyl group, or a substituent represented by a general formula (G1-2); and the others separately represent hydrogen, an alkyl group having 1 to 6 carbon atoms, a substituted or unsubstituted phenyl group, or a substituted or unsubstituted biphenyl group.

SPIRO[CYCLOPENTA[def]TRIPHENYLENE-4,9'-FLUORENE] COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE HAVING THE SAME

The present invention provides a spiro[cyclopenta[def]triphenylene-4,9′-fluorene] compound having a high triplet energy level and a high glass transition temperature and also provides an excellent organic light-emitting device including the compound to achieve a high luminous efficiency and a low driving voltage. 2. The spiro[cyclopenta[def]triphenylene-4 claim 1 ,9′-fluorene] compound according to claim 1 , wherein Rto Rare all hydrogen atoms.3. An organic light-emitting device comprising a pair of electrodes and an organic compound layer disposed between the electrodes claim 1 , wherein the organic compound layer includes a spiro[cyclopenta[def]triphenylene-4 claim 1 ,9′-fluorene] compound according to .4. The organic light-emitting device according to claim 3 , wherein the organic compound layer is a light-emitting layer or an electron-transporting layer.5. The organic light-emitting device according to claim 4 , wherein the organic compound layer is a light-emitting layer.6. The organic light-emitting device according to claim 5 , wherein the light-emitting layer includes a host material and a guest material claim 5 , wherein the host material is the spiro[cyclopenta[def]triphenylene-4 claim 5 ,9′-fluorene] compound.7. The organic light-emitting device according to claim 6 , wherein the guest material is a phosphorescent material.8. The organic light-emitting device according to claim 7 , wherein the phosphorescent material is an iridium complex.9. A display comprising a plurality of pixels claim 3 , wherein the pixels each include an organic light-emitting device according to and a switching device connected to the organic light-emitting device.10. An image input apparatus comprising a display section for displaying an image and an input section for inputting image information claim 3 , wherein the display section includes a plurality of pixels each having an organic light-emitting device according to and a switching device connected to the organic light- ...

Light-Emitting Element, Light-Emitting Device and Electronic Device

The present invention provides a light-emitting element inducing an electron-transporting layer and a hole-transporting layer between a first electrode and a second electrode; and a first layer and a second layer between the electron-transporting layer and the hole-transporting layer, wherein the first layer includes a first organic compound and an organic compound having a hole-transporting property, the second layer includes a second organic compound and an organic compound having an electron-transporting property, the first layer is formed in contact with the first electrode side of the second layer, the first organic compound and the second organic compound are the same compound, and a voltage is applied to the first electrode and the second electrode, so that both of the first organic compound and the second organic compound emit light. 110-. (canceled)11. A light-emitting device comprising:a light-emitting layer comprising a light-emitting material,wherein the light-emitting layer comprises a first layer and a second layer over the first layer,wherein the first layer comprises a first organic material and is capable of transporting hole, andwherein the second layer comprises a second organic material and is capable of transporting electron.12. The light-emitting device according to claim 11 , wherein the first organic material is a material different from the second organic material.13. The light-emitting device according to claim 11 , wherein the first layer and the second layer are in contact with each other.14. An illumination device comprising the light-emitting device according to .15. A display device comprising the light-emitting device according to claim 11 , comprising:a first electrode; anda second electrode over the first electrode; anda transistor electrically connected to the first electrode,wherein the light-emitting layer is provided between the first electrode and the second electrode.16. A light-emitting device comprising:a first light- ...

ELECTRON TRANSPORT LAYER

The present invention provides: a method of preparing a coating ink for forming a zinc oxide electron transport layer, comprising mixing zinc acetate and a wetting agent in water or methanol; a coating ink comprising zinc acetate and a wetting agent in aqueous solution or methanolic solution; a method of preparing a zinc oxide electron transporting layer, which method comprises: i) coating a substrate with the coating ink of the present invention to form a film; ii) drying the film; and iii) heating the dry film to convert the zinc acetate substantially to ZnO; a method of preparing an organic photovoltaic device or an organic LED having a zinc oxide electron transport layer, the method comprising, in this order: a) providing a substrate bearing a first electrode layer; b) forming an electron transport layer according to the following method: i) coating a coating ink comprising an ink according to the present invention to form a film; ii) drying the film; iii) heating the dry film such that the zinc acetate is substantially converted to ZnO; c) forming an active layer; d) forming a hole transport layer; and e) forming a second electrode layer; and an optoelectronic device comprising an electron transporting layer comprising zinc oxide and a wetting agent. 1. A method of preparing a coating ink for forming a zinc oxide electron transport layer , comprising mixing zinc acetate and a wetting agent in water or methanol.243-. (canceled)44. The method of claim 1 , wherein the zinc acetate is used in the form Zn(OAc).2HO.45. The method of claim 1 , wherein the wetting agent is Zonyl® FSO-100 (2-(perfluoroalkyl)ethanol claim 1 , CAS No 65545-80-4) or Triton® X-100 (polyethylene glycol p-(1 claim 1 ,1 claim 1 ,3 claim 1 ,3-tetramethylbutyl)-phenyl ether claim 1 , CAS No 9002-93-1).46. The method of claim 1 , wherein the method further comprises mixing AlOH(OAc)into the zinc acetate and a wetting agent in water or methanol and subsequently filtering out solids.47. A coating ...

LIGHT-EMITTING ELEMENT, LIGHT-EMITTING DEVICE, DISPLAY DEVICE, ELECTRONIC DEVICE, AND LIGHTING DEVICE

An object is to provide a light-emitting element which includes an exciplex being used as an energy donor capable of efficiently transferring energy to a substance exhibiting thermally activated delayed fluorescence. The exciplex comprises two kinds of substances and its singlet and triplet excited states are close to each other. Thus, by making light emission of the exciplex overlap with an absorption band on the longest wavelength side which corresponds to absorption by the substance exhibiting thermally activated delayed fluorescence, i.e., an energy acceptor, in a singlet excited state, it becomes possible to achieve efficient energy transfer from a singlet excited state of the exciplex to a singlet excited state of the substance exhibiting thermally activated delayed fluorescence, and it also becomes possible to achieve efficient energy transfer from a triplet excited state of the exciplex to a triplet excited state of the substance exhibiting thermally activated delayed fluorescence. 1. A light-emitting device comprising:a pair of electrodes; anda light-emitting layer between the pair of electrodes, the light-emitting layer comprising a first organic compound, a second organic compound, and a light-emitting substance which exhibits thermally activated delayed fluorescence,wherein an emission spectrum of an exciplex of the first organic compound and the second organic compound overlaps with an absorption band of the light-emitting substance.2. The light-emitting device according to claim 1 , wherein the emission spectrum overlaps with the absorption band on the lowest energy side.3. The light-emitting device according to claim 2 , wherein a difference in energy between a peak wavelength of the absorption band and a peak wavelength of the emission spectrum is 0.2 eV or less.4. The light-emitting device according to claim 1 , wherein a difference in energy between peak wavelengths of fluorescence and phosphorescence of the light-emitting substance is 0.2 eV or ...

Nitrogenated heterocyclic derivative, electron-transporting material for organic electroluminescent elements, and organic electroluminescent element using same

A specific nitrogen-containing heterocyclic compound having a urea structure, an electron transporting material containing the nitrogen-containing heterocyclic compound, and an organic electroluminescence device including a light emitting layer and an electron transporting layer between a cathode and an anode in which the electron transporting layer includes the electron transporting material or the nitrogen-containing heterocyclic derivative. An organic EL device exhibiting high emission efficiency even at low voltage and a material for organic EL devices are described.

ORGANIC LIGHT-EMITTING DEVICE INCLUDING MULTI-LAYERED HOLE TRANSPORT LAYER, AND ORGANIC LIGHT-EMITTING DISPLAY APPARATUS INCLUDING THE SAME

An organic light-emitting device includes an emission layer between first and second electrodes, a first hole transport layer that is between the emission layer and the first electrode and that includes a first hole transport compound and a first electron acceptor, a second hole transport layer that is between the emission layer and first hole transport layer and that includes a second hole transport compound, a third hole transport layer that is between the emission layer and the second hole transport layer and that includes a third hole transport compound and a second electron acceptor, a fourth hole transport layer that is between the emission layer and the third hole transport layer and that includes a fourth hole transport compound, a buffer layer between the emission layer and the fourth hole transport layer, and an electron transport layer that includes a pyrimidine-based compound. 7. The organic light-emitting device of claim 1 , wherein an amount of the first electron acceptor is from about 1 part to about 3 parts by weight based on 100 parts by weight of the first hole transport layer.8. The organic light-emitting device of claim 1 , wherein an amount of the second electron acceptor is from about 1 part to about 3 parts by weight based on 100 parts by weight of the third hole transport layer.9. The organic light-emitting device of claim 1 , wherein the first hole transport layer and the third hole transport layer are the same claim 1 , and the second hole transport layer and the fourth hole transport layer are the same.10. The organic light-emitting device of claim 9 , wherein the first hole transport layer has a thickness of about 50 Å to about 400 Å claim 9 , and the second hole transport layer has a thickness of about 200 Å to about 800 Å.11. The organic light-emitting device of claim 1 , wherein the buffer layer includes the first hole transport compound.13. The organic light-emitting device of claim 1 , wherein the buffer layer has a thickness of ...

ORGANIC LIGHT EMITTING DEVICE

An organic light emitting device including a first electrode, a second electrode facing the first electrode, and an organic layer between the first electrode and the second electrode, wherein the organic layer includes an electron transport layer (ETL), and the electron transport layer (ETL) includes a compound represented by the following Chemical Formula 1 and an alkali metal complex. 2. The organic light emitting device of claim 1 , wherein the electron transport layer (ETL) comprises the compound represented by the above Chemical Formula 1 and the alkali metal complex in a weight ratio from about 8:2 to about 2:8.3. The organic light emitting device of claim 1 , wherein the electron transport layer (ETL) is a monolayer or a plurality of layers.4. The organic light emitting device of claim 3 , wherein claim 3 , the electron transport layer (ETL) is a plurality of layers claim 3 , and the ETL comprises one layer including the compound represented by the above Chemical Formula 1 and the alkali metal complex claim 3 , and at least one layer including one selected from the compound represented by the above Chemical Formula 1 claim 3 , an alkali metal complex claim 3 , and a combination thereof.6. The organic light emitting device of claim 1 , wherein in the compound represented by the above Chemical Formula 1 claim 1 , when at least one of R claim 1 , R claim 1 , and Ris a heteroaryl group claim 1 , a hetero atom of the heteroaryl group is not directly linked to L claim 1 , L claim 1 , and L.7. The organic light emitting device of claim 1 , wherein the alkali metal complex comprises an oxide claim 1 , fluoride claim 1 , quinolate claim 1 , or acetoacetate of the alkaline metal.8. The organic light emitting device of claim 1 , wherein the alkali metal complex comprises at least one selected from LiF claim 1 , NaF claim 1 , NaCl claim 1 , CsF claim 1 , LiO claim 1 , lithium quinolate claim 1 , sodium quinolate claim 1 , and a combination thereof.10. The organic light ...

Organic light emitting diode display and manufacturing method thereof

An OLED display includes: pixel electrodes electrically connected to a thin film transistor on a substrate; a pixel defining portion including a pixel defining layer surrounding the respective pixel electrodes to define an individual pixel area, and a spacer protruding from the pixel defining layer; and a sealing substrate bonded to the substrate while maintaining a distance to the substrate by the spacer. An opaque deposition material is formed on the pixel defining portion, excluding one surface of the spacer that faces the sealing substrate, and on the pixel electrodes.

Electron Transport Material and Organic Electroluminescent Device Using the Same

Provided are a new electron transport material and an organic electroluminescent device including the same. The electron transport material according to the present invention may have the excellent luminescence property and reduce the driving voltage to increase the power efficiency, such that the organic electroluminescent device using less consumption power may be manufactured. 6. An organic electroluminescent device containing the electron transport material of .7. The organic electroluminescent device of claim 6 , wherein it includes:a first electrode; a second electrode; and at least one organic layer interposed between the first and second electrodes, the organic layer including an electron transport layer in which the electron transport material is contained. This application claims priority under 35 U.S.C. §119 to Korean Patent Application No. 10-2012-0057154, filed on May 10, 2012 and No. 10-2012-0120910 filed on Oct. 30, 2012 in the Korean Intellectual Property Office, the disclosure of which is incorporated herein by reference in its entirety.The following disclosure relates to a new electron transport material and an organic electroluminescent device using the same.An organic electroluminescent device is a device emitting light while electrons and holes disappear after being coupled in pairs when an electron charge is injected into an organic film formed between an electron injection electrode (cathode) and a hole injection electrode (anode). The organic electroluminescent device has advantages in that the device may be formed on a flexible transparent substrate made of, for example, plastic material, driven at a low voltage (10V or less) as compared with a plasma display panel or an inorganic electroluminescent (EL) display, has relatively low power consumption and excellent color sensation.Generally, the organic electroluminescent device has a structure consisting of a substrate, an anode, a hole injection layer receiving a hole from the anode, a hole ...

ORGANIC LIGHT EMITTING DIODE DEVICE AND METHOD OF MANUFACTURING THE SAME

An organic light emitting diode device and a method for manufacturing the same are disclosed. The organic light emitting diode device including a substrate, stacks disposed between a first electrode and a second electrode on the substrate, wherein the stacks including a first stack having a first blue layer and a second stack disposed on the first stack and having a second blue layer, and a first emission layer is formed at a partial region of the first stack, and a second emission layer is formed at a partial region of the second stack. 1. An organic light emitting diode device comprising:a substrate: andstacks disposed between a first electrode and a second electrode on the substrate,wherein the stacks including a first stack having a first blue layer and a second stack disposed on the first stack and having a second blue layer, anda first emission layer is formed at a partial region of the first stack, and a second emission layer is formed at a partial region of the second stack.2. The organic light emitting diode device of claim 1 , wherein the first emission layer emits red or green light claim 1 , the second emission layer emits light among the red light and the green light except for light emitted from the first emission layer.3. The organic light emitting diode device of claim 1 , wherein the first blue layer and the second blue layer are made of a same material.4. The organic light emitting diode device of claim 1 , wherein the substrate comprises a red emission part emitting red light claim 1 , a green emission part emitting green light claim 1 , and a blue emission part emitting blue light claim 1 , andthe red emission part emits the red light by a red color filter, and the green emission part emit the green light by a green color filter.5. The organic light emitting diode device of claim 4 , wherein the blue emission part emits blue light emitted from the first blue layer and the second blue layer.6. The organic light emitting diode device of claim 5 , ...

ORGANIC LIGHT EMITTING DISPLAY DEVICE

An organic light emitting display device includes first and second electrodes facing each other on a substrate, a first stack including a first hole transport layer, a second hole transport layer, a first emitting layer, and a first electron transport layer, the layers being sequentially stacked on the first electrode, a second stack including a third hole transport layer, a fourth hole transport layer, a second emitting layer including at least two hosts and a single dopant and having at least three emitting areas, and a second electron transport layer, the layers being sequentially stacked between the first stack and the second electrode, wherein the second emitting layer includes a first emitting area including a material of the fourth hole transport layer, a second emitting area including a material of the second electron transport layer, and a third emitting area including the at least two hosts. 1. An organic light emitting display device comprising:first and second electrodes facing each other on a substrate;a first stack comprising a hole injection layer, a first hole transport layer, a second hole transport layer, a first emitting layer, and a first electron transport layer that are sequentially stacked on the first electrode;a second stack comprising a third hole transport layer, a fourth hole transport layer, a second emitting layer comprising at least two hosts and a single dopant and having at least three emitting areas, and a second electron transport layer that are sequentially stacked between the first stack and the second electrode; anda charge generation layer formed between the first stack and the second stack and adjusting charge balance between the first and second stacks,wherein the second emitting layer comprises a first emitting area comprising a material of the fourth hole transport layer, a second emitting area comprising a material of the second electron transport layer, and a third emitting area comprising the at least two hosts.2. The ...

COMPOSITION AND ORGANIC OPTOELECTRIC DEVICE AND DISPLAY DEVICE

A composition includes a first host compound including moieties represented by Chemical Formulae 1 to 3 that are sequentially bonded with each other, and a second host compound including at least one carbazole group with a substituent having hole characteristics, 6. The composition as claimed in claim 1 , wherein the Aris a substituted or unsubstituted phenyl group claim 1 , a substituted or unsubstituted biphenyl group claim 1 , a substituted or unsubstituted terphenyl group claim 1 , a substituted or unsubstituted naphthyl group claim 1 , a substituted or unsubstituted anthracenyl group claim 1 , a substituted or unsubstituted carbazolyl group claim 1 , a substituted or unsubstituted benzofuranyl group claim 1 , a substituted or unsubstituted benzothiophenyl group claim 1 , a substituted or unsubstituted fluorenyl group claim 1 , a substituted or unsubstituted dibenzothiophenyl group claim 1 , a substituted or unsubstituted dibenzofuranyl group claim 1 , or a combination thereof.10. The composition as claimed in claim 9 , wherein Arand Arare each independently a substituted or unsubstituted phenyl group claim 9 , a substituted or unsubstituted biphenyl group claim 9 , a substituted or unsubstituted terphenyl group claim 9 , a substituted or unsubstituted naphthyl group claim 9 , a substituted or unsubstituted anthracenyl group claim 9 , a substituted or unsubstituted carbazolyl group claim 9 , a substituted or unsubstituted benzofuranyl group claim 9 , a substituted or unsubstituted benzothiophenyl group claim 9 , a substituted or unsubstituted fluorenyl group claim 9 , a substituted or unsubstituted dibenzofuranyl group claim 9 , a substituted or unsubstituted dibenzothiophenyl group claim 9 , or a combination thereof.14. The composition as claimed in claim 13 , wherein Aris a substituted or unsubstituted phenyl group claim 13 , a substituted or unsubstituted biphenyl group claim 13 , a substituted or unsubstituted terphenyl group claim 13 , a substituted or ...

Light-Emitting Element, Lighting Device, Light-Emitting Device, and Electronic Device

A light-emitting element with high emission efficiency is provided. A light-emitting element with a long lifetime is provided. The light-emitting element includes an anode; a hole-transport layer over the anode, containing a hole-transport compound and a compound; a light-emitting layer over the hole-transport layer, containing a host material and a guest material; and a cathode over the light-emitting layer. The host material is an electron-transport compound. The guest material and the compound are each independently a phosphorescent compound or a thermally activated delayed fluorescence material. A peak of an emission spectrum of the compound is on a shorter wavelength side than a peak of an emission spectrum of the guest material. Only the guest material emits light. 1. A light-emitting element comprising:an anode;a hole-transport layer over the anode, the hole-transport layer containing a hole-transport compound and a first compound;a light-emitting layer over the hole-transport layer, the light-emitting layer containing a host material and a guest material; anda cathode over the light-emitting layer,wherein the first compound is any one of a phosphorescent compound and a thermally activated delayed fluorescence material,wherein the host material is an electron-transport compound,wherein the guest material is any one of a phosphorescent compound and a thermally activated delayed fluorescence material,wherein a peak of an emission spectrum of the first compound is on a shorter wavelength side than a peak of an emission spectrum of the guest material, andwherein only the guest material emits light.2. The light-emitting element according to claim 1 , wherein the hole-transport compound has an electron-blocking property.3. The light-emitting element according to claim 1 ,wherein the electron-transport compound has a hole-blocking property.4. The light-emitting element according to claim 1 ,wherein the electron-transport compound forms an exciplex in combination ...

ORGANIC LIGHT-EMITTING DEVICE

An organic light-emitting device includes a first electrode, a second electrode disposed opposite to the first electrode, and an organic layer disposed between the first electrode and the second electrode and including an emission layer. The emission layer includes at least one first light-emitting material represented by Formula 1 and at least one second light-emitting material represented by Formula 2: 2. The organic light-emitting device as claimed in claim 1 , wherein Rto Rin Formula 1 are each independently selected fromi) a hydrogen atom, a deuterium atom, a halogen atom, a cyano group, and a nitro group;ii) a phenyl group, a naphthyl group, and an anthryl group;iii) a pyridyl group, a pyrimidyl group, and a triazinyl group, each substituted with at least one of a phenyl group, a naphthyl group, and anthryl group; andiii) a phenyl group, a naphthyl group, and an anthryl group, each substituted with at least one of a pyridyl group, a pyrimidyl group, and a triazinyl group that are substituted with at least one of a phenyl group, a naphthyl group, and an anthryl group.3. The organic light-emitting device as claimed in claim 1 , wherein Rto Rin Formula 1 are each independently selected fromi) a hydrogen atom;ii) a phenyl group;iii) a pyrimidyl group and a triazinyl group, each substituted with a phenyl group; andiv) a phenyl group substituted with at least one of a pyrimidyl group and a triazinyl group that are substituted with a phenyl group.4. The organic light-emitting device as claimed in claim 1 , wherein Arin Formula 1 is selected fromi) a phenyl group, a naphthyl group, a pyridyl group, a pyrimidyl group, a triazinyl group, a quinolinyl group, an isoquinolinyl group, a naphthyridinyl group, and a quinazolinyl group;ii) a phenyl group, a naphthyl group, a pyridyl group, a pyrimidyl group, a triazinyl group, a quinolinyl group, an isoquinolinyl group, a naphthyridinyl group, and a quinazolinyl group, each substituted with at least one of a phenyl group, a ...

ORGANIC COMPOUNDS AND ELECTRONIC DEVICE COMPRISING AN ORGANIC LAYER COMPRISING THE ORGANIC COMPOUNDS

Organic compounds suitable for organic layers of electronic devices that show improved luminescent properties. 7. The organic compound of claim 1 , wherein Arand Arare each independently a substituted or unsubstituted C-Caryl.8. The organic compound of claim 1 , wherein R claim 1 , R claim 1 , R′ and R′ are each hydrogen.9. The organic compound of claim 1 , wherein R claim 1 , R claim 1 , R′ and R′ are each independently selected from hydrogen or a substituted or unsubstituted C-Caryl claim 1 , and Xand Xare both chemical bonds.13. An electronic device comprising an organic layer claim 1 , wherein the organic layer comprises the organic compound of .14. The electronic device of claim 13 , wherein the organic layer comprises a hole transport layer claim 13 , an emissive layer claim 13 , an electron transport layer claim 13 , or a hole injection layer.15. The electronic device of claim 13 , wherein the electronic device is a light emitting device. The present invention relates to organic compounds, and an electronic device comprising an organic layer comprising the organic compounds.Organic light emitting diodes (OLEDs) are used in display devices that employ stacks of films containing organic aromatic compounds as electron transport layers (ETLs) and hole transport layers (HTLs). To compete with other displays such as liquid crystal displays (LCDs), it is important to develop materials with improved properties such as reduced driving voltage and/or increased luminous efficiency to minimize power consumption in OLED displays, especially for mobile applications where batteries are used as power sources. There have been a tremendous amount of research to develop materials to reduce driving voltages and increase luminous efficiency, mostly for hole injection materials (HIMs), such as described in Synthetic Metals, 2009, 159, 69 and J. Phys. D: Appl. Phys. 2007, 40, 5553. There remains a need for new compounds suitable for preparing hole transport layers of OLEDs which ...

OLED DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF

An organic light-emitting diode (OLED) display device and a manufacturing method thereof are provided. The OLED display device includes a substrate, a thin-film transistor array substrate, a plurality of anodes, a pixel-defining layer, a plurality of strip-shaped grooves, a light-emitting functional layer, and a cathode disposed on the light-emitting functional layer, wherein the plurality of strip-shaped grooves block a lateral current between each of a plurality of pixel regions, thereby relieving a problem of current crosstalk between adjacent pixels. 1. An organic light-emitting diode (OLED) display device , comprising:a substrate;a thin-film transistor array substrate disposed on the substrate;a plurality of anodes disposed on the thin-film transistor array substrate;a pixel-defining layer disposed between the plurality of anodes on the thin-film transistor array substrate and separating the plurality of anodes, wherein a plurality of strip-shaped grooves are provided on the pixel-defining layer;a light-emitting functional layer covering the plurality of anodes and the pixel-defining layer; anda cathode disposed on the light-emitting functional layer;wherein the light-emitting functional layer comprises a hole injection layer covering the plurality of anodes and the pixel-defining layer, and a thickness of the hole injection layer is less than a depth of the plurality of strip-shaped grooves.2. The OLED display device as claimed in claim 1 , wherein a width of each of the plurality of strip-shaped grooves ranges from 0.1 μm to 30 μm claim 1 , and a depth of each of the plurality of strip-shaped grooves ranges from 10 nm to 200 nm.3. The OLED display device as claimed in claim 1 , wherein the substrate is a rigid substrate or a flexible substrate claim 1 , the rigid substrate is preferably a glass claim 1 , and the flexible substrate is preferably a polyimide film.4. The OLED display device as claimed in claim 1 , wherein the plurality of strip-shaped grooves ...

LIGHT-EMITTING COMPOUND

A compound of formula (I): wherein M is a transition metal; Aris a 5 or 6 membered heteroaryl ring or a polycyclic heteroaromatic group; Aris a polycyclic group comprising two or more rings selected from aromatic and heteroaromatic rings; Arand Armay be linked by a direct bond or divalent linking group; L is a ligand; x is at least 1; a, b and y are each 0 or a positive integer; R, Rand Rare each independently a substituent; and (i) Aris a polycyclic heteroaromatic group; or (ii) Aris a 5 or 6 membered heteroaryl ring and Aris a polycyclic group comprising at least 3 rings selected from aromatic and heteroaromatic rings. The compound may be used as an infra-red emitting material of an organic light-emitting device. 2. A compound according to wherein M is Ir.3. A compound according to wherein x is 2 or 3.4. A compound according to wherein y is 0 or 1.5. A compound according to wherein Aris a polycyclic heteroaromatic group.6. A compound according to wherein Aris isoquinoline.8. A compound according to wherein Rand Rare independently in each occurrence selected from the group consisting of:C1-20 alkyl wherein one or more non-adjacent C atoms of the C1-20 alkyl may be replaced with —O—, —S—, C═O or —COO— and one or more H atoms may be replaced with F; anda group of formula —(Ar3)p wherein Ar3 in each occurrence is a C6-20 aryl group or a 5-20 membered heteroaryl group that may be unsubstituted or substituted with one or more substituents; and p is at least 1.9. A compound according to wherein Rin each occurrence is independently selected from the group consisting of:{'sub': 1-20', '1-20, 'Calkyl wherein one or more non-adjacent C atoms of the Calkyl may be replaced with —O—, —S—, C═O or —COO— and one or more H atoms may be replaced with F; and'}{'sup': 4', '4, 'sub': '6-20', 'a group of formula —(Ar)q wherein Arin each occurrence is a Caryl group or a 5-20 membered heteroaryl group that may be unsubstituted or substituted with one or more substituents; and q is at ...

ORGANIC ELECTROLUMINESCENT DEVICE

An organic light emitting device comprises an anode and a cathode, at least one organic layer configured between the anode and the cathode, and at least one two-dimensional emissive layer configured between the anode and the cathode. A method of fabricating an organic light emitting device is also disclosed. 1. An organic light emitting device comprising:an anode and a cathode;at least one organic charge transport layer positioned between the anode and the cathode;an organic host layer positioned between the anode and the cathode; andat least one two-dimensional emissive layer positioned within the organic host layer.2. The organic light emitting device of claim 1 , wherein the two-dimensional emissive layer is selected from the group consisting of a transition metal dichalcogenide (TMD) active layer and a direct bandgap inorganic semiconductor.34-. (canceled)5. The organic light emitting device of claim 2 , wherein the two-dimensional emissive layer comprises a material selected from Gallium Nitride claim 2 , a group III-V direct bandgap semiconducting alloy or alloys claim 2 , a group II-VI direct bandgap semiconducting alloy or alloys claim 2 , or at least one monolayer of WS.6. The organic light emitting device of claim 1 , wherein the at least one organic charge transport layer comprises first and second organic buffer layers claim 1 , and the at least one two-dimensional emissive layer is embedded between the first and second organic buffer layers.7. The organic light emitting device of claim 6 , wherein the first organic buffer layer is a hole-transporting layer configured between the at least two-dimensional emissive layer and the anode.8. The organic light emitting device of claim 7 , wherein the hole-transporting layer comprises 1 claim 7 ,1-Bis[(di-4-tolylamino)phenyl]cyclohexane.9. The organic light emitting device of claim 6 , wherein the second organic buffer layer is an electron transport layer configured between the cathode and the at least one ...

QUANTUM-DOT DISPLAY SUBSTRATE AND METHOD FOR PREPARING THE SAME, AND DISPLAY DEVICE

The present disclosure provides a quantum-dot display substrate, a method for preparing the same, and a display device. The quantum dot display substrate includes a first electrode, a second electrode, and a quantum-dot-emitting layer located between the first electrode and the second electrode, and the quantum-dot-emitting layer includes: a DNA single-stranded structure of a specific pattern, with quantum dots attached to the DNA single-stranded structure. 1. A quantum dot display substrate , comprising a first electrode , a second electrode , and a quantum-dot-emitting layer located between the first electrode and the second electrode , wherein the quantum-dot-emitting layer comprises: a DNA single-stranded structure of a specific pattern , with quantum dots attached to the DNA single-stranded structure.2. The quantum-dot display substrate of claim 1 , wherein the DNA single-stranded structure of the specific pattern comprises:long single-stranded DNA molecules in a micrometer scale, with a plurality of quantum dots in different colors attached to different long single-stranded DNA molecules respectively; anda staple DNA molecule, through which the long single-stranded DNA molecules are folded into the specific pattern.3. The quantum-dot display substrate of claim 2 , wherein the staple DNA molecule is a short single-stranded DNA molecule claim 2 , and a base of the staple DNA molecule is complementary to a base of a specific region of the long single-stranded DNA molecule.4. The quantum-dot display substrate of claim 1 , wherein the DNA single-stranded structure of the specific pattern comprises a plurality of DNA tile structures claim 1 , and each of the plurality of DNA tile structures comprises:a plurality of first long single-stranded DNA molecules for forming a pattern scaffold of the specific pattern;a plurality of second staple DNA molecules connected to the plurality of first long single-stranded DNA molecules, with quantum dots in a same color attached ...

LIGHT-EMITTING COMPOSITION

Light-Emitting Compound A composition comprising a light-emitting compound having a peak wavelength of at least 650 nm and a material comprising a group of formula (I): wherein Ar, Arand Arin each occurrence are independently selected from a Caromatic group and a 6-20 membered heteroaromatic group of C and N ring atoms and at least one of Ar, Arand Aris a 6-20 membered heteroaromatic group of C and N ring atoms; x, y and z are each independently at least 1; n, m and p are each independently 0 or a positive integer; and R, Rand Rin each occurrence is independently a substituent or a single bond to a polymer chain, wherein the group of formula (I) has no more than 3 single bonds to a polymer chain. The composition may be used in the light-emitting layer of an infrared organic light-emitting device. 2. A composition according to wherein Arand Arare each a Caryl group and (Ar)comprises a 6-20 membered heteroaromatic group of C and N ring atoms.3. A composition according to wherein the claim 1 , or each claim 1 , 6-20 membered heteroaromatic group of C and N ring atoms of formula (I) is a monocyclic 6 membered heteroaromatic group.4. A composition according to wherein the or each monocyclic 6 membered heteroaromatic group is selected from pyridine claim 3 , pyrazine claim 3 , pyrimidine claim 3 , pyridazine claim 3 , 1 claim 3 ,2 claim 3 ,4-triazine claim 3 , 1 claim 3 ,2 claim 3 ,3-triazine and 1 claim 3 ,3 claim 3 ,5-triazine.5. A composition according to wherein at least one of Ar claim 1 , Ar2 and Arbound directly to the triazine group of formula (I) is a 6-20 membered heteroaromatic group of C and N ring atoms.6. A composition according to wherein at least one of x and y is 1.7. A composition according to wherein z is 1 or 2.9. A composition according to wherein p is at least 1.10. A composition according to wherein claim 1 , R claim 1 , Rand R claim 1 , if present claim 1 , independently in each occurrence is selected from the group consisting of F; CN; NO; and ...

Organic Light Emitting Diode Display Device and Method of Fabricating the Same

An organic light emitting diode display device comprises a substrate including a pixel region, the pixel region including a first portion and a second portion, a first electrode in the second portion of the pixel region, a bank layer separating the first portion and the second portion of the pixel region, an emitting layer in the second portion of the pixel region but not in the first portion of the pixel region, an emission assisting layer extending in the first portion of the pixel region and in the second portion of the pixel region, the emission assisting layer in the first portion of the pixel region being more conductive than the emission assisting layer in the second portion of the pixel region, and a second electrode on the emission assisting layer in the first portion of the pixel region and in the second portion of the pixel region. 1. An organic light emitting diode display device comprising:a substrate including a pixel region, the pixel region including a first portion and a second portion;a first electrode in the second portion of the pixel region;a bank layer separating the first portion and the second portion of the pixel region;an emitting layer in the second portion of the pixel region but not in the first portion of the pixel region;an emission assisting layer extending in the first portion of the pixel region, over the bank, and in the second portion of the pixel region, the emission assisting layer in the first portion of the pixel region being more conductive than the emission assisting layer in the second portion of the pixel region; anda second electrode on the emission assisting layer in the first portion of the pixel region, over the bank, and in the second portion of the pixel region.2. The display device of claim 1 , wherein the bank layer includes an organic material.3. The display device of claim 1 , further comprising an auxiliary line in the first portion of the pixel region below and in contact with the emission assisting layer.4. ...

ORGANIC LIGHT-EMITTING DEVICE AND METHOD FOR MANUFACTURING THE SAME, AND DISPLAY APPARATUS

Disclosed is an organic light-emitting device, including: a first electrode, a second electrode and an organic functional layer provided between the first electrode and the second electrode, wherein the organic functional layer includes: a hole injection layer, a hole transport layer, and an insulating layer formed in at least one of the hole injection layer and the hole transport layer. A method for manufacturing the above organic light-emitting device is also disclosed. A display apparatus including the above organic light-emitting device is disclosed. 1. An organic light-emitting device , comprising: a first electrode , a second electrode , and an organic functional layer provided between the first electrode and the second electrode , wherein:the organic functional layer comprises: a hole injection layer, a hole transport layer, an organic light-emitting layer, and an insulating layer located in at least one of the hole injection layer and the hole transport layer.2. The organic light-emitting device according to claim 1 , wherein the organic functional layer further comprises at least one selected from the group consisting of an electron transport layer claim 1 , an electron injection layer or a hole blocking layer.3. The organic light-emitting device according to claim 1 , wherein the insulating layer is prepared by a first process.4. The organic light-emitting device according to claim 1 , wherein the hole injection layer and the hole transport layer are both prepared by a second process.5. The organic light-emitting device according to claim 3 , wherein the first process comprises chemical vapor deposition.6. The organic light-emitting device according to claim 4 , wherein the second process comprises vacuum thermal evaporation.7. The organic light-emitting device according to claim 1 , wherein a projected area of the insulating layer on the first electrode is less than a projected area of the hole transport layer and the hole injection layer on the first ...

Light-Emitting Device, Method Of Forming And Operating The Same

In various embodiments, a light-emitting device may be provided including an active structure including a halide perovskite layer. The light-emitting device may further include a first injection electrode and a second injection electrode electrically coupled to the active structure. The light-emitting device may additionally include a control electrode, and an insulator layer between the control electrode and the active structure. The first injection electrode may be configured to inject electrons into the active structure and the second injection electrode may be configured to inject holes into the active structure upon application of a potential difference between the first injection electrode and the second injection electrode. The control electrode may be configured to generate an electric field upon application of a voltage, thereby causing accumulation of the electrons and the holes in a region of the halide perovskite layer so that the electrons and the holes recombine, thereby emitting light. 1. A light-emitting device comprising:an active structure comprising an emissive halide perovskite layer, the halide perovskite layer comprising a halide perovskite material;a first injection electrode electrically coupled to the active structure;a second injection electrode electrically coupled to the active structure;a control electrode; andan insulator layer between the control electrode and the active structure;wherein the first injection electrode is configured to inject electrons into the active structure and the second injection electrode is configured to inject holes into the active structure upon application of a potential difference between the first injection electrode and the second injection electrode; andwherein the control electrode is configured to generate an electric field upon application of a voltage, thereby causing simultaneous accumulation of the electrons and the holes in a region of the halide perovskite layer so that the electrons and the holes ...

PHASE-TRANSITION OPTICAL ISOMER COMPOUND, TRANSPARENT ELECTROLUMINESCENT DISPLAY DEVICE AND METHOD OF FABRICATING THE TRANSPARENT ELECTROLUMINESCENT DISPLAY DEVICE

A phase-transition optical isomer compound is described, a transparent EL display device including the phase-transition optical isomer compound and a method of fabricating the EL display device, where a phase of the phase-transition optical isomer compound is transited by light irradiation and a second electrode of the EL display device is selectively deposited without a masking process. 3. The phase-transition optical isomer compound according to claim 1 , wherein a difference between a glass temperature in a rubbery phase of the phase-transition optical isomer compound and a glass temperature in a glassy phase of the phase-transition optical isomer compound is between about 100 to 300° C.4. The phase-transition optical isomer compound according to claim 1 , wherein each of R1 to R4 is independently selected from pyridyl and quinolinyl.5. The phase-transition optical isomer compound according to claim 1 , wherein the phase-transition optical isomer compound exhibits a rubbery phase when a visible light is irradiated claim 1 , andwherein the phase-transition optical isomer compound exhibits a glassy phase when a ultraviolet ray is irradiated.6. The phase-transition optical isomer compound according to claim 1 , wherein the phase-transition optical isomer compound has a lowest unoccupied molecular orbital level of −2.6 to −2.1 eV and a highest occupied molecular orbital level of −6.2 to −6.0 eV. This application is a divisional of co-pending U.S. patent application Ser. No. 16/210,151, filed on Dec. 5, 2018, which claims the benefit of Korean Patent Application No. 10-2017-0168574, filed in the Republic of Korea on Dec. 8, 2017. All of the above applications are hereby incorporated by reference in its entirety.The present disclosure relates to an electroluminescent display device, and more particularly, to a phase-transition optical isomer compound capable of selectively depositing a conductive material without a mask process, a transparent electroluminescent display ...

HETEROCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING DIODE COMPRISING SAME

The present specification relates to a heterocyclic compound represented by Chemical Formula 1, and an organic light emitting device comprising the same. 4. The heterocyclic compound of claim 1 , wherein Rto Rare hydrogen.5. The heterocyclic compound of claim 1 , wherein Zto Zare the same as or different from each other claim 1 , and each independently hydrogen; deuterium; a cyano group; a substituted or unsubstituted C6 to C40 aryl group; a substituted or unsubstituted C2 to C40 heteroaryl group; or a substituted or unsubstituted phosphine oxide group.7. An organic light emitting device comprising:a first electrode;a second electrode; andone or more organic material layers provided between the first electrode and the second electrode,{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'wherein one or more layers of the organic material layers comprise the heterocyclic compound of .'}8. The organic light emitting device of claim 7 , wherein the organic material layer comprises an electron transfer layer claim 7 , and the electron transfer layer comprises the heterocyclic compound.9. The organic light emitting device of claim 7 , wherein the organic material layer comprises a hole blocking layer claim 7 , and the hole blocking layer comprises the heterocyclic compound.10. The organic light emitting device of claim 7 , further comprising one claim 7 , two or more layers selected from the group consisting of a light emitting layer claim 7 , a hole injection layer claim 7 , a hole transfer layer claim 7 , an electron injection layer claim 7 , an electron transfer layer claim 7 , an electron blocking layer and a hole blocking layer.11. The organic light emitting device of claim 7 , comprising:a first electrode;a first stack provided on the first electrode and comprising a first light emitting layer;a charge generation layer provided on the first stack;a second stack provided on the charge generation layer and comprising a second light emitting layer; anda second electrode ...

Organic electroluminescent device and manufacturing method thereof, and display apparatus

The invention provides an organic electroluminescent device and a manufacturing method thereof, and a display apparatus. The method for manufacturing the organic electroluminescent device of the invention includes using the following to form at least one function layer: preparing a solution of a material of the function layer, and forming a liquid material layer for the function layer using the solution of the material of the function layer; performing a vacuum drying on the liquid material layer for the function layer to form function layer. In the invention, a relatively dense film is formed by performing a vacuum drying on the function layer, and the residual organic solvent is effectively removed to avoid the formation of defects, so that the film becomes smooth and dense, which increases the carrier mobility in the film and is advantageous to the transport and recombination of electrons and holes.

NOVEL NAPHTHOTRIAZOLE DERIVATIVES AND ORGANIC ELECTROLUMINESCENCE DEVICES

Naphthotriazole derivatives represented by the following general formula (1), 2. Naphthotriazole derivatives according to claim 1 , wherein the group Arin said general formula (1) is bonded to the fourth position of a naphthalene ring in a naphthotriazole ring.3. Naphthotriazole derivatives according to claim 1 , wherein in said general formula (1) claim 1 , m is 0 in the structural formula (1a).4. Naphthotriazole derivatives according to claim 1 , wherein in said general formula (1) claim 1 , m is 1 in the structural formula (1a).5. Naphthotriazole derivatives according to claim 1 , wherein in said general formula (1) claim 1 , m is 2 in the structural formula (1a).7. Naphthotriazole derivatives according to claim 1 , wherein in said general formula (1) claim 1 , Aris a pyridyl group in the structural formula (1a).9. An organic electroluminescent device having a pair of electrodes and at least one organic layer interposed therebetween claim 1 , wherein naphthotriazole derivatives of are used as materials for constituting at least one organic layer.10. The organic electroluminescent device according to claim 9 , wherein said organic layer is an electron-transporting layer.11. The organic electroluminescent device according to claim 9 , wherein said organic layer is a hole-blocking layer.12. The organic electroluminescent device according to claim 9 , wherein said organic layer is a luminous layer.13. The organic electroluminescent device according to claim 9 , wherein said organic layer is an electron injection layer. This invention relates to novel naphthotriazole derivatives. More specifically, the invention relates to novel naphthotriazole derivatives into which a naphthotriazole ring structure has been introduced and to organic electroluminescent devices that have an organic layer containing the above derivatives between the electrodes.An organic electroluminescent device (hereinafter often called organic EL device) is a spontaneously luminous device which ...

Organic electronic devices with multiple solution-processed layers

A method for fabricating an organic light emitting device stack involves depositing a first conductive electrode layer over a substrate; depositing a first set of one or more organic layers, wherein at least one of the first set of organic layers is a first emissive layer and one of the first set of organic layers is deposited by a solution-based process that utilizes a first solvent; depositing a first conductive interlayer by a dry deposition process; and depositing a second set of one or more organic layers, wherein at least one of the second set of organic layers is a second emissive layer and one of the second set of organic layers is deposited by a solution-based process that utilizes a second solvent, wherein all layers that precede the layer deposited using the second solvent are insoluble in the second solvent.

DISPLAY UNIT, DISPLAY MODULE, AND ELECTRONIC DEVICE

An object is to provide a highly reliable display unit having a function of sensing light. The display unit includes a light-receiving device and a light-emitting device. The light-receiving device includes an active layer between a pair of electrodes. The light-emitting device includes a hole-injection layer, a light-emitting layer, and an electron-transport layer between a pair of electrodes. The light-receiving device and the light-emitting device share one of the electrodes, and may further share another common layer between the pair of electrodes. The hole-injection layer is in contact with an anode and contains a first compound and a second compound. The electron-transport property of the electron-transport layer is low; hence, the light-emitting layer is less likely to have excess electrons. Here, the first compound is the material having a property of accepting electrons from the second compound. 1. A display unit comprising: a first pixel electrode;', 'an active layer comprising a first organic compound; and', 'a common electrode over the first pixel electrode; and, 'a light-receiving device comprising a second pixel electrode;', 'a hole-injection layer over the second pixel electrode, the hole-injection layer comprising a first compound and a second compound;', 'a light-emitting layer over the second pixel electrode, the light-emitting layer comprising a second organic compound;', 'an electron-transport layer over the second pixel electrode, the electron-transport layer comprising an electron-transport material; and', 'the common electrode over the second pixel electrode, the hole-injection layer, the light-emitting layer and the electron-transport layer,, 'a light-emitting device over the light-receiving device, the light-emitting device comprisingwherein the common electrode, the active layer and the first pixel electrode overlap one another,wherein the common electrode, the light-emitting layer and the second pixel electrode overlap one another,wherein ...

COMPOUND FOR ORGANIC OPTOELECTRONIC DEVICE, ORGANIC LIGHT-EMITTING DIODE INCLUDING SAME, AND DISPLAY DEVICE INCLUDING ORGANIC LIGHT-EMITTING DIODE

Disclosed are a compound for an organic optoelectronic device, an organic light emitting diode including the same, and a display device including the organic light emitting diode. The compound for an organic optoelectronic device represented by a combination of the following Chemical Formula 1 and Chemical Formula 2 provides an organic light emitting diode having life-span characteristics due to excellent electrochemical and thermal stability, and high luminous efficiency at a low driving voltage. 5. The compound for an organic optoelectronic device of claim 1 , wherein the Arto Ar4 are independently substituted or unsubstituted phenyl group claim 1 , a substituted or unsubstituted naphthyl group claim 1 , a substituted or unsubstituted anthracenyl group claim 1 , a substituted or unsubstituted phenanthryl group claim 1 , a substituted or unsubstituted naphthacenyl group claim 1 , a substituted or unsubstituted pyrenyl group claim 1 , a substituted or unsubstituted biphenylyl group claim 1 , a substituted or unsubstituted p-terphenyl group claim 1 , a substituted or unsubstituted m-terphenyl group claim 1 , a substituted or unsubstituted chrysenyl group claim 1 , a substituted or unsubstituted triphenylenyl group claim 1 , a substituted or unsubstituted perylenyl group claim 1 , a substituted or unsubstituted indenyl group claim 1 , a substituted or unsubstituted furanyl group claim 1 , a substituted or unsubstituted thiopheneyl group claim 1 , a substituted or unsubstituted pyrrolyl group claim 1 , a substituted or unsubstituted pyrazolyl group claim 1 , a substituted or unsubstituted imidazolyl group claim 1 , a substituted or unsubstituted triazolyl group claim 1 , a substituted or unsubstituted oxazolyl group claim 1 , a substituted or unsubstituted thiazolyl group claim 1 , a substituted or unsubstituted oxadiazolyl group claim 1 , a substituted or unsubstituted thiadiazolyl group claim 1 , a substituted or unsubstituted pyridyl group claim 1 , a substituted or ...

ORGANIC ELECTROLUMINESCENT DEVICE

In the organic electroluminescent device having at least an anode, a hole injection layer, a first hole injection layer, a second hole injection layer, a light emitting layer, an electron transport layer and a cathode in this order, the hole injection layer includes an arylamine compound of the following general formula (1) and an electron acceptor. 2. The organic EL device according to claim 1 , wherein the electron acceptor is an electron acceptor selected from trisbromophenylamine hexachloroantimony claim 1 , tetracyanoquinodimethane (TCNQ) claim 1 , 2 claim 1 ,3 claim 1 ,5 claim 1 ,6-tetrafluoro-tetracyano-1 claim 1 ,4-benzoquinodimethane (F4TCNQ) claim 1 , and a radialene derivative.4. The organic EL device according to claim 1 , wherein the first hole transport layer or the second hole transport layer contains only a hole transport arylamine compound.5. The organic EL device according to claim 1 , wherein the first hole transport layer and the second hole transport layer each contain only a hole transport arylamine compound.6. The organic EL device according to claim 4 , wherein the first hole transport layer contains an arylamine compound having a structure in which two to six triphenylamine structures are joined within a molecule via a single bond or a divalent group that does not contain a heteroatom.11. The organic EL device according to claim 1 , wherein the electron transport layer has a LUMO level of 2.9 to 3.4 eV.15. The organic EL device according to claim 1 , wherein the light emitting layer contains a blue light emitting dopant.16. The organic EL device according to claim 15 , wherein the light emitting layer contains a pyrene derivative as the blue light emitting dopant.17. The organic EL device according to claim 1 , wherein the light emitting layer contains an anthracene derivative.18. The organic EL device according to claim 17 , wherein the light emitting layer contains a host material which is the anthracene derivative.20. The organic EL ...

ORGANIC COMPOUNDS AND ELECTRONIC DEVICE COMPRISING ORGANIC LAYER COMPRISING ORGANIC COMPOUNDS

Organic compounds suitable for organic layers of electronic devices that show reduced driving voltage, increased luminous efficiency and/or increased power efficiency. 2. The organic compound of claim 1 , wherein Land Lare each independently a substituted or unsubstituted C-Carylene.6. The organic compound of claim 1 , wherein Arand Arare each independently a substituted or unsubstituted C-Caryl.7. The organic compound of any one of - claim 1 , wherein at least one of Rthrough R claim 1 , Rand Ris F.8. The organic compound of any one of - claim 1 , wherein one of Rand Ris the substituted amino group claim 1 , and the other one of Rand Ris selected from hydrogen claim 1 , a halogen claim 1 , a substituted or unsubstituted C-Caryl.14. The organic compound of any one of - claim 1 , wherein at least one of Rthrough Ris F and the remaining Rthrough Rare each hydrogen claim 1 , and Ris —CH.17. An electronic device comprising an organic layer claim 1 , wherein the organic layer comprises the organic compound of any one of -.18. The electronic device of claim 17 , wherein the organic layer comprises a hole transport layer claim 17 , an emissive layer claim 17 , an electron transport layer claim 17 , or a hole injection layer.19. The electronic device of claim 18 , wherein the electronic device is a light emitting device. The present invention relates to organic compounds, and an electronic device comprising an organic layer comprising the organic compounds.Organic light emitting diodes (OLEDs) are used in display devices that employ stacks of films containing organic aromatic compounds as electron transport layers (ETLs) and hole transport layers (HTLs). To compete with other displays such as liquid crystal displays (LCDs), it is important to develop materials with properties including reduced driving voltage, increased luminous efficiency and/or increased power efficiency to minimize power consumption in OLED displays, especially for mobile applications where batteries are ...

PYRIMIDINE DERIVATIVE AND ORGANIC ELECTROLUMINESCENT DEVICES

According to the present invention, there are provided pyrimidine derivatives represented by the following general formula (1). The pyrimidine derivatives of the invention are novel compounds and feature (1) good electron injection property, (2) high electron mobility, (3) excellent hole blocking property, (4) good stability in their form of thin films, and (5) excellent heat resistance. 4. Pyrimidine derivatives according to claim 1 , wherein Aor Ais a phenylene group.5. Pyrimidine derivatives according to claim 1 , wherein Aand Aare phenylene groups.6. Pyrimidine derivatives according to claim 1 , wherein Aor Ais a naphthylene group.7. Pyrimidine derivatives according to claim 1 , wherein B is a pyridyl group claim 1 , a bipyridyl group claim 1 , a terpyridyl group claim 1 , a pyrimidinyl group claim 1 , a pyradinyl group claim 1 , a triadinyl group claim 1 , a pyrolyl group claim 1 , a pyrazolyl group claim 1 , an imidazolyl group claim 1 , a furyl group claim 1 , a thienyl group claim 1 , a quinolyl group claim 1 , an isoquinolyl group claim 1 , a quinoxalynyl group claim 1 , a quinazolynyl group claim 1 , a naphthyridinyl group claim 1 , an indolyl group claim 1 , a benzimidazolyl group claim 1 , a benzotriazolyl group claim 1 , a benzofuranyl group claim 1 , a benzothienyl group claim 1 , a benzoxazolyl group claim 1 , a benzothiazolyl group claim 1 , a benzothiadiazolyl group claim 1 , a pyridopyrolyl group claim 1 , a pyridoimidazolyl group claim 1 , a pyridotriazolyl group claim 1 , an acrydinyl group claim 1 , a phenadinyl group claim 1 , a phenanthrolynyl group claim 1 , a phenoxadinyl group claim 1 , a phenothiadinyl group claim 1 , a carbazolyl group claim 1 , a carbolynyl group claim 1 , a dibenzofuranyl group or a dibenzothienyl group.8. Pyrimidine derivatives according to claim 1 , wherein Aris a phenyl group.9. Pyrimidine derivatives according to claim 1 , wherein Aris a condensed polycyclic aromatic group.10. Pyrimidine derivatives according to ...

COMPOUND FOR ORGANIC OPTOELECTRONIC DIODE, ORGANIC OPTOELECTRONIC DIODE COMPRISING SAME, AND DISPLAY DEVICE

The present invention relates to: a compound for an organic optoelectronic diode, represented by a combination of chemical formulas 1 and 2; an organic optoelectronic diode comprising the same; and a display device comprising the organic optoelectronic diode. The detailed contents of formulas 1 and 2 are the same as those defined in the specification. 3. The compound for an organic optoelectronic diode as claimed in claim 1 , wherein the Xis C-L-Rand Xis C-L-R.4. The compound for an organic optoelectronic diode as claimed in claim 1 , wherein the Rto Rare independently hydrogen claim 1 , deuterium claim 1 , a substituted or unsubstituted C6 to C30 arylamine group claim 1 , a substituted or unsubstituted phenyl group claim 1 , a substituted or unsubstituted biphenyl group claim 1 , a substituted or unsubstituted terphenyl group claim 1 , a substituted or unsubstituted quaterphenyl group claim 1 , a substituted or unsubstituted naphthyl group claim 1 , a substituted or unsubstituted anthracenyl group claim 1 , a substituted or unsubstituted phenanthrenyl group claim 1 , a substituted or unsubstituted pyrenyl group claim 1 , a substituted or unsubstituted triphenylene group claim 1 , a substituted or unsubstituted fluorenyl group claim 1 , a substituted or unsubstituted imidazolyl group claim 1 , a substituted or unsubstituted triazolyl group claim 1 , a substituted or unsubstituted tetrazolyl group claim 1 , a substituted or unsubstituted oxadiazolyl group claim 1 , a substituted or unsubstituted oxatriazolyl group claim 1 , a substituted or unsubstituted thiatriazolyl group claim 1 , a substituted or unsubstituted benzimidazolyl group claim 1 , a substituted or unsubstituted benzotriazolyl group claim 1 , a substituted or unsubstituted pyridinyl group claim 1 , a substituted or unsubstituted pyrimidinyl group claim 1 , a substituted or unsubstituted triazinyl group claim 1 , a substituted or unsubstituted pyrazinyl group claim 1 , a substituted or unsubstituted ...

Organic compound, and organic light emitting diode and organic light emitting display device including the same

An embodiment of the present invention provides an organic compound represented by following Formula: wherein each of X 1 to X 5 is independently selected from a carbon atom (C) or a nitrogen atom (N), and at least two or three of X 1 to X 5 are N, wherein each of R 1 and R 2 is independently selected from a substituted or non-substituted aryl group or a substituted or non-substituted heteroaryl group, and “a” is an integer between zero (0) to 3, and wherein each of L 1 and L 2 is independently selected from a substituted or non-substituted arylene group or a substituted or non-substituted heteroarylene group, and “b” is zero (0) or 1. The present invention also provides an organic light emitting diode and an organic light emitting display device including the organic compound. The organic compound of the present invention is capable of reducing a driving voltage of an organic light emitting diode and improves a current efficiency and a lifetime of the organic light emitting diode and the organic light emitting display device including the same.

Novel anthracene derivatives for organic light-emitting diode and organic light-emitting diode including the same

The present invention relates to a novel anthracene derivative, for an organic light-emitting device, and an organic light-emitting device comprising same, the anthracene derivative enabling excellent device characteristics when used as a light-emitting material. 3. The organic luminescent compound as set forth in claim 1 , wherein the substituent R19 in Chemical Formula A is a substituted or unsubstituted aryl of 6 to 24 carbon atoms.5. The organic luminescent compound as set forth in claim 1 , wherein the substituent R19 in Chemical Formula A is a substituted or unsubstituted aryl of 6 to 24 carbon atoms bearing a deuterium atom on the aromatic ring thereof.6. The organic luminescent compound as set forth in claim 2 , wherein the substituents R7 and R8 bond to each other to form a ring.7. The organic luminescent compound as set forth in claim 2 , wherein adjacent two of the substituents R4 to R8 bond to each other to form a ring.8. The organic luminescent compound as set forth in claim 4 , wherein the substituents R7 and R8 are each a substituted or unsubstituted aryl of 6 to 24 carbon atoms.10. An organic light-emitting diode claim 4 , comprising:a first electrode;a second electrode facing the first electrode; and{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'an organic layer interposed therebetween, wherein the organic layer contains the organic luminescent compound of any one of .'}11. The organic light-emitting diode as set forth in claim 10 , wherein the organic layer comprises at least one of a hole injecting layer claim 10 , a hole transport layer claim 10 , a functional layer capable of both hole injection and hole transport claim 10 , a light-emitting layer claim 10 , an electron transport layer claim 10 , and an electron injecting layer.12. The organic light-emitting diode as set forth in claim 11 , wherein the organic layer interposed between the first electrode and the second electrode is a light-emitting layer composed of a host and a dopant claim ...

ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES

New metal complexes containing a substituted fused aromatic moiety is disclosed. The substituents on the fused aromatic moiety fine-tune molecular energy levels and solid-state self-assembly, conducive to improved material performance in devices useful for phosphorescent organic light emitting devices. 2. The compound of claim 1 , wherein M is selected from the group consisting of Ir claim 1 , Rh claim 1 , Re claim 1 , Ru claim 1 , Os claim 1 , Pt claim 1 , Au claim 1 , and Cu.3. The compound of claim 1 , wherein M is Ir or Pt.4. (canceled)5. (canceled)6. The compound of claim 1 , wherein Zis a carbon.7. The compound of claim 1 , wherein ring A is benzene.10. The compound of claim 1 , wherein Rand Gare each independently selected from the group consisting of alkyl claim 1 , cycloalkyl claim 1 , and substituted variants thereof.14. The compound of claim 13 , wherein the compound has the formula of Ir(L)(L); wherein n is 1 claim 13 , 2 claim 13 , or 3.16. The compound of claim 15 , wherein the compound is Compound x having the formula Ir(L)(L);wherein x=300i+j−300; i is an integer from 1 to 232, and j is an integer from 1 to 300.18. The OLED of claim 17 , wherein the organic layer is an emissive layer and the compound is an emissive dopant or a non-emissive dopant.19. (canceled)20. The OLED of claim 17 , wherein the organic layer further comprises a host claim 17 , wherein host comprises at least one chemical group selected from the group consisting of triphenylene claim 17 , carbazole claim 17 , indolocarbazole claim 17 , dibenzothiophene claim 17 , dibenzofuran claim 17 , dibenzoselenophene claim 17 , azatriphenylene claim 17 , azacarbazole claim 17 , aza-indolocarbazole claim 17 , aza-dibenzothiophene claim 17 , aza-dibenzofuran claim 17 , and aza-dibenzoselenophene.22. (canceled)24. The consumer product of claim 23 , wherein the consumer product is selected from the group consisting of flat panel displays claim 23 , computer monitors claim 23 , medical monitors ...

Carbon dot multicolor phosphors

Carbon dots synthesized from p-phenylenediamine in diphenyl ether exhibit excitation wavelength independent long wavelength multicolor emissions (green to red) when they are dispersed in different solvents and polymers. The emissions are excitation wavelength independent and one excitation light can excite all the colors.

ORGANIC LIGHT-EMITTING APPARATUS INCLUDING ELECTRON TRANSPORT LAYER AND METHOD OF MANUFACTURING THE SAME

An organic light-emitting apparatus and a method of manufacturing the same. The method includes depositing a mixed layer and a buffer layer as an electron transport layer on the emission layer by making a single round-trip of the source unit that includes the first through third ejectors in a scanning direction of the substrate, wherein the mixed layer includes a mixture of the first and second semiconductor materials and the buffer layer includes a single layer including the third semiconductor material. 1. An organic light-emitting apparatus comprising:a pixel electrode connected to a thin film transistor;a counter electrode corresponding to the pixel electrode;an emission layer disposed between the pixel electrode and the counter electrode; andan electron transport layer disposed between the emission layer and the counter electrode,wherein the electron transport layer comprises a mixed layer and a buffer layer disposed between the emission layer and the mixed layer, the mixed layer comprising a plurality of semiconductor materials that are mixed, and the buffer layer comprising a single semiconductor material.2. The organic light-emitting apparatus of claim 1 , wherein the mixed layer comprises first and second semiconductor materials that are different from each other.3. The organic light-emitting apparatus of claim 2 , wherein:the content of the first semiconductor material is the lowest at both edges of the mixed layer, gradually increases towards the center, and is the highest at the center of the mixed layer, andthe content of the second semiconductor material is the highest at both edges of the mixed layer, gradually reduces towards the center, and is the lowest at the center of the mixed layer.4. The organic light-emitting apparatus of claim 2 , wherein the buffer layer comprises a third semiconductor material different from the first and second semiconductor materials.5. The organic light-emitting apparatus of claim 1 , further comprising an electron ...

ORGANOMETALLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING SAME

An organometallic compound is represented by Formula 1. An organic light-emitting device includes: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode and including an emission layer. The organic light-emitting device further includes at least one organometallic compound represented by Formula 1. 2. The organic light-emitting device of claim 1 , wherein claim 1 ,{'sub': 3MC', '3MLCT, 'sup': 3', '3, 'an energy level (E) of a triplet metal centered state (MC state) of the organometallic compound is higher than an energy level (E) of a triplet metal-to-ligand charge transfer state (MLCT state) of the organometallic compound.'}3. The organic light-emitting device of claim 1 , wherein claim 1 ,{'sub': '3', 'the organometallic compound satisfies E≥12 kilocalories per mole (kcal/mol), and'}{'sub': '3', 'claim-text': {'br': None, 'i': E', '=∥E', '|−|E, 'sub': 3', '3MLCT', '3MC, '∥.\u2003\u2003Equation 1'}, 'Eis defined by the following Equation 14. The organic light-emitting device of claim 1 , wherein claim 1 ,the emission layer is configured to emit blue light having a maximum emission wavelength in a range of about 440 nanometers (nm) to about 490 nm.5. The organic light-emitting device of claim 1 , wherein claim 1 ,the first electrode comprises an anode,the second electrode comprises a cathode,the organic layer comprises the organometallic compound,the organic layer comprises a hole transport region between the first electrode and the emission layer and an electron transport region between the emission layer and the second electrode,the hole transport region comprises at least one selected from a hole injection layer, a hole transport layer, a buffer layer, an emission auxiliary layer, and an electron blocking layer, andthe electron transport region comprises at least one selected from a hole blocking layer, an electron transport layer, and an electron injection layer.6. The organic light-emitting device of ...

DISPLAY DEVICE

A display device includes a first pixel, a second pixel, and a third pixel. The common electrodes of the first and second pixels have an integrated shape. The hole control layers of the first and second pixels have an integrated shape. The electron control layers of the first and second pixels have an integrated shape. The common electrode, the hole control layer or the electron control layer of the third pixel may be separated from the first pixel and the second pixel. 1. A display device comprising:a first pixel generating light of a first color and comprising a first pixel electrode, a first common electrode, a first light emission layer, a first hole control layer, and a first electron emission layer disposed between the first light emission layer and the first common electrode, wherein the first light emission layer is disposed between the first pixel electrode and the first common electrode, and wherein the first hole control layer is disposed between the first light emission layer and the first pixel electrode;a second pixel generating light of a second color different from the first color and comprising a second pixel electrode, a second common electrode, a second light emission layer, a second hole control layer, and a second electron control layer disposed between the second light emission layer and the second common electrode and connected to the first electron control layer, wherein the second common electrode is connected to the first common electrode, wherein the second light emission layer is disposed between the second pixel electrode and the second common electrode, wherein the second control layer is disposed between the second light emission layer and the second pixel electrode and connected to the first hole control layer; anda third pixel generating light of a third color different from the first color and the second color and comprising a third pixel electrode, a third common electrode, a third light emission layer, a third hole control layer, ...

OXIDE SEMICONDUCTOR TRANSISTOR

A display device includes a driving transistor and an organic EL element. The driving transistor includes an oxide semiconductor layer; a first gate electrode that region overlapping the oxide semiconductor layer; a first insulting layer between the first gate electrode and the oxide semiconductor layer; a second gate electrode that includes a region overlapping the oxide semiconductor layer and the first gate electrode; a second insulating layer between the second gate electrode and the oxide semiconductor layer; and a first and a second transparent conductive layer that are provided between the oxide semiconductor layer and the first insulating layer and each include a region contacting the oxide semiconductor layer. The organic EL element includes a first electrode; a second electrode; a light emitting layer between the first electrode and the second electrode; and an electron transfer layer between the light emitting layer and the first electrode. 1. A transistor , comprising:an oxide semiconductor layer over a substrate;a first gate electrode arranged on a side of the oxide semiconductor layer opposite to the substrate and including a region overlapping the oxide semiconductor layer,a first insulating layer between the first gate electrode and the oxide semiconductor layer; anda first transparent conductive layer and a second transparent conductive layer arranged on a side of the oxide semiconductor layer to the substrate,whereinthe first transparent conductive layer and the second transparent conductive layer are spaced apart from each other,the first gate electrode has a region overlapping a region where the first transparent conductive layer and the second transparent conductive layer are spaced apart from each other, andthe first transparent conductive layer and the second transparent conductive layer are in contact with the oxide semiconductor layer.2. The transistor according to claim 1 ,wherein a surface of the oxide semiconductor layer facing the ...

ORGANIC MOLECULES, IN PARTICULAR FOR USE IN OPTOELECTRONIC DEVICES

The invention relates to an organic molecule, in particular for use in optoelectronic devices. According to the invention, the organic molecule consists of 2. The organic molecule according to claim 1 , wherein R claim 1 , Rand Rare at each occurrence independently from another selected from the group consisting of H claim 1 , methyl and phenyl.3. The organic molecule according to claim 1 , wherein W is CN.7. The organic molecule according to claim 5 , wherein Ris at each occurrence independently from another selected from the group consisting of{'sup': i', 't, 'sub': '3', 'Me, Pr, Bu, CN, CF,'}{'sup': i', 't, 'sub': '3', 'Ph, which is optionally substituted with one or more substituents independently from each other selected from the group consisting of Me, Pr, Bu, CN, CFand Ph;'}{'sup': i', 't, 'sub': '3', 'pyridinyl, which is optionally substituted with one or more substituents independently from each other selected from the group consisting of Me, Pr, Bu, CN, CFand Ph;'}{'sup': i', 't, 'sub': '3', 'pyrimidinyl, which is optionally substituted with one or more substituents independently from each other selected from the group consisting of Me, Pr, Bu, CN, CFand Ph;'}{'sup': i', 't, 'sub': '3', 'carbazolyl, which is optionally substituted with one or more substituents independently from each other selected from the group consisting of Me, Pr, Bu, CN, CFand Ph;'}{'sup': i', 't, 'sub': '3', 'triazinyl, which is optionally substituted with one or more substituents independently from each other selected from the group consisting of Me, Pr, Bu, CN, CF, and Ph; and'}{'sub': '2', 'N(Ph).'}8. The organic molecule according to claim 6 , wherein Ris at each occurrence independently from another selected from the group consisting of{'sup': i', 't, 'sub': '3', 'Me, Pr, Bu, CN, CF,'}{'sup': i', 't, 'sub': '3', 'Ph, which is optionally substituted with one or more substituents independently from each other selected from the group consisting of Me, Pr, Bu, CN, CFand Ph;'}{'sup': ...

Organic functional compound for preparing organic electronic device and application thereof

The present invention discloses an organic functional compound for preparing an organic electronic device and an application thereof. The organic functional compound has a general formula (I). The organic functional compound comprises an organic functional group and a solubilizing group, thereby imparting a good solubility and film-forming ability. The organic functional compound also excels in maintaining the performance of the functional group in a device. The organic functional compound and a composition or mixture comprising the organic functional compound have a good printability and film-forming ability, facilitating solution-processing, particularly in printing techniques, and obtaining a high-performance small-molecule organic electronic device, particularly an organic electroluminescent device. FSG] k   (I)

WHITE LIGHT ORGANIC LIGHT-EMITTING DIODE (OLED) AND THE DISPLAY PANEL THEREOF

The present disclosure relates to a white light OLED and a display panel. The OLED includes a first electrode, a first hole injection layer, a first hole transport layer, a first luminous layer, a first electron transport layer, a charge generation layer, a second hole injection layer, a second hole transport layer, an electron blocking layer, a second luminous layer, a third luminous layer, a second electron transport layer, and a second electrode stacked in sequence. The first luminous layer is a blue luminous layer, the second luminous layer is a blue luminous layer, and the third luminous layer is a yellow luminous layer. With such configuration, the color shift and the power consumption issue caused by insufficient blue light may be effectively overcome. 1. A white light organic light-emitting diode (OLED) , comprising: wherein the first luminous layer being a blue luminous layer, the second luminous layer being a blue luminous layer, and the third luminous layer being a yellow luminous layer;', 'the second luminous layer being configured on one side of the third luminous layer facing away the second electrode;', 'the first hole injection layer, the first hole transport layer, the first luminous layer, the first electron transport layer, the first charge generation layer, the second hole injection layer, the second hole transport layer, the electron blocking layer, the second luminous layer, the third luminous layer, and the second electron transport layer, and the second electrode being formed by a vapor deposition in sequence., 'a first electrode, a first hole injection layer, a first hole transport layer, a first luminous layer, a first electron transport layer, a charge generation layer, a second hole injection layer, a second hole transport layer, an electron blocking layer, a second luminous layer, a third luminous layer, a second electron transport layer, and a second electrode stacked in sequence;'}2. The OLED as claimed in claim 1 , wherein:a thickness ...

DISPLAY DEVICE AND METHOD OF MANUFACTURING DISPLAY DEVICE

A display device includes a display region, an organic insulating layer, a display element, and a moisture-ingress barrier. The organic insulating layer has a groove outside the display region. The organic insulating layer extends over the display region and a region outside the groove. The display element is disposed in the display region and includes, in order, a first electrode, an organic layer, and a second electrode. The organic layer includes one or more moisture-reacting layers. The moisture-ingress barrier is disposed in the groove of the organic insulating layer, includes a material identical to the material of the one or more moisture-reacting layers, and has a thickness greater than the thickness of the one or more moisture-reacting layers. 1. A display device comprising:a display region;an organic insulating layer that has a groove outside the display region, and extends over the display region and a region outside the groove;a display element that is disposed in the display region and includes, in order, a first electrode, an organic layer, and a second electrode, the organic layer including one or more moisture-reacting layers; anda moisture-ingress barrier that is disposed in the groove of the organic insulating layer, includes a material identical to a material of the one or more moisture-reacting layers, and has a thickness greater than a thickness of the one or more moisture-reacting layers.2. The display device according to claim 1 , whereinthe moisture-ingress barrier comprises a coating film including the material identical to the material of the one or more moisture-reacting layers, andthe coating film has a thickness greater than the thickness of the one or more moisture-reacting layers.3. The display device according to claim 2 , further comprising:a substrate;a thin film transistor and a wiring line disposed on the substrate; andan inorganic insulating layer covering the thin film transistor and the wiring line, whereinthe organic ...

ORGANIC ELECTRONIC DEVICE USING ADHESIVE FILM ENCAPSULATION TECHNOLOGY, AND METHOD OF MANUFACTURING SAME

This organic electronic device using an adhesive film encapsulation technology includes: a substrate; an electrode layer formed of a transparent conductive material on the top surface of the substrate; an active region layer which is an active layer that induces the flow of holes or electrons in a portion of the electrode layer; a counter electrode formed of a conductive material on the top surface of the electrode layer and the active region layer; an adhesive film attached to cover a region including the active region layer; and a cover material disposed at a certain distance vertically upward and apart from the adhesive film, and sealing the space between counter electrodes by using an encapsulating material along both edges thereof, wherein a gap is formed between the adhesive film and the cover material. 1. An organic electronic device , comprising:a substrate;an electrode layer formed of a transparent conductive material on the top surface of the substrate;an active region layer which is an active layer that induces the flow of holes or electrons in a portion of the electrode layer;a counter electrode formed of a conductive material on the top surface of the electrode layer and the active region layer;an adhesive film attached to cover a region including the active region layer; anda cover material disposed at a certain distance vertically upward and apart from the adhesive film, and sealing the space between counter electrodes by using an encapsulating material along both edges thereof,wherein a gap is included between the adhesive film and the cover material.2. (canceled)3. The organic electronic device of claim 1 , wherein the active region layer comprises at least one layer among an electron transport layer excited in perovskite claim 1 , an active layer where electrons are excited when it receives light claim 1 , and a hole transport layer.4. The organic electronic device of claim 1 , wherein the gap has a space of 1 to 100 μm.5. The organic electronic ...

DISPLAY PANEL PATTERNING DEVICE

A patterning device performs patterning in manufacture of a display panel in which thin films including an organic film are laminated above a substrate. The patterning device includes a chamber, light transmissive plates, and a laser emitter. The chamber has a light transmissive window including a first light transmissive plate through which a laser beam is transmitted and accommodates a thin film laminated substrate. A second light transmissive plate through which the laser beam is transmitted is in the chamber between the first light transmissive plate and the thin film laminated substrate at a position spaced away from the thin film laminated substrate. The laser emitter is outside the chamber and emits the laser beam towards the thin film laminated substrate, through the first light transmissive plate and the second light transmissive plate, to irradiate and remove a portion of the thin film. 1. A patterning device performing patterning in manufacture of a display panel in which thin films including an organic film are laminated above a substrate , the patterning device comprising:a chamber having a light transmissive window including a first light transmissive plate through which a laser beam is transmitted, the chamber accommodating a thin film laminated substrate on which a thin film is laminated;a second light transmissive plate through which the laser beam is transmitted, disposed in the chamber between the first light transmissive plate and the thin film laminated substrate at a position spaced away from the thin film laminated substrate; anda laser emitter disposed outside the chamber that emits the laser beam towards the thin film laminated substrate, through the first light transmissive plate and the second light transmissive plate, to irradiate and remove a portion of the thin film.2. The patterning device of claim 1 , further comprising an environment adjuster that adjusts an environment in the chamber to a vacuum or inert gas environment.3. The ...

CONDENSED CYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME

A condensed cyclic compound and an organic light-emitting device including the same, the condensed cyclic compound being represented by Formula 1: 2. The condensed cyclic compound as claimed in claim 1 , wherein Ato Aand Ato Aare each independently selected from a benzene group claim 1 , a naphthalene group claim 1 , a fluorene group claim 1 , a spiro-bifluorene group claim 1 , a benzofluorene group claim 1 , a dibenzofluorene group claim 1 , a phenanthrene group claim 1 , an anthracene group claim 1 , a fluoranthene group claim 1 , a triphenylene group claim 1 , a pyrene group claim 1 , a chrysene group claim 1 , a perylene group claim 1 , a thiophene group claim 1 , a furan group claim 1 , a silole group claim 1 , a carbazole group claim 1 , an indole group claim 1 , an isoindole group claim 1 , a benzofuran group claim 1 , a benzothiophene group claim 1 , a benzosilole group claim 1 , a dibenzofuran group claim 1 , a dibenzothiophene group claim 1 , a benzocarbazole group claim 1 , a dibenzocarbazole group claim 1 , and a dibenzosilole group.3. The condensed cyclic compound as claimed in claim 1 , wherein Ato Aand Ato Aare each independently selected from a benzene group claim 1 , a naphthalene group claim 1 , a fluorene group claim 1 , a phenanthrene group claim 1 , an anthracene group claim 1 , a triphenylene group claim 1 , a pyrene group claim 1 , a chrysene group claim 1 , a perylene group claim 1 , a carbazole group claim 1 , a dibenzofuran group claim 1 , and a dibenzothiophene group.4. The condensed cyclic compound as claimed in claim 1 , wherein:{'sub': 13', '14', '11', '14, 'Aand Aand/or Aand Aare separate or are linked via a first linking group, and'}{'sub': 23', '24', '21', '24, 'Aand Aand/or Aand Aare separate or are linked via a second linking group.'}5. The condensed cyclic compound as claimed in claim 1 , wherein:{'sub': 11', '14', '21', '24, 'two of Ato Aare linked via the first linking group or two of Ato Aare linked via the second linking group ...

Active OLED Display, Method for Preparing an Active OLED Display and Compound

The present invention relates to a display device comprising—a plurality of OLED pixels comprising at least two OLED pixels, the OLED pixels comprising an anode, a cathode, and a stack of organic layers, wherein the stack of organic layers—is arranged between and in contact with the cathode and the anode, and—comprises a first electron transport layer, a first hole transport layer, and a first light emitting layer provided between the first hole transport layer and the first electron transport layer, and—a driving circuit configured to separately driving the pixels of the plurality of OLED pixels, wherein, for the plurality of OLED pixels, the first hole transport layer is provided in the stack of organic layers as a common hole transport layer shared by the plurality of OLED pixels, and the first hole transport layer comprises (i) at least one first hole transport matrix compound consisting of covalently bound atoms and (ii) at least one electrical p-dopant selected from metal salts and from electrically neutral metal complexes comprising a metal cation and at least one anion and/or at least one anionic ligand consisting of at least 4 covalently bound atoms, wherein the metal cation of the electrical p-dopant is selected from alkali metals; alkaline earth metals, Pb, Mn, Fe, Co, Ni, Zn, Cd; rare earth metals in oxidation state (II) or (III); Al, Ga, In; and from Sn, Ti, Zr, Hf, V, Nb, Ta, Cr, Mo and W in oxidation state (IV) or less, a method for preparing the display device and a chemical compound for use therein. 1. Display device comprisinga plurality of OLED pixels comprising at least two OLED pixels, the OLED pixels comprising an anode, a cathode, and a stack of organic layers, wherein the stack of organic layersis arranged between and in contact with the cathode and the anode, andcomprises a first electron transport layer, a first hole transport layer, and a first light emitting layer provided between the first hole transport layer and the first electron ...

ORGANIC LIGHT EMITTING DIODE, ORGANIC LIGHT EMITTING DIODE DISPLAY DEVICE AND DISPLAY DEVICE FOR VEHICLES USING THE SAME

Disclosed are an organic light emitting diode, an organic light emitting diode display device and a display device for vehicles using the same. The organic light emitting diode may achieve process simplification and reduction in material costs while maintaining high luminance, through structure change. 1. An organic light emitting diode comprising:a first electrode in each of a first region, a second region and a third region;a first common layer on the first electrodes;a first red light emitting layer and a first green light emitting layer respectively in the first region and the second region;a first blue light emitting layer on the first red light emitting layer, the first green light emitting layer and the first common layer throughout the first to third regions;a charge generation layer on the first blue light emitting layer;a second common layer on the charge generation layer;a second red light emitting layer and a second green light emitting layer respectively on the second common layer in the first region and the second region;a second blue light emitting layer on the second red light emitting layer, the second green light emitting layer and the second common layer throughout the first to third regions;a third common layer on the second blue light emitting layer; anda second electrode on the third common layer.2. The organic light emitting diode according to claim 1 , wherein the first blue light emitting layer and the second blue light emitting layer comprise a first host which assists excitation claim 1 , a second host having an electron transporting property claim 1 , and a blue dopant claim 1 , and wherein the first blue light emitting layer is in contact with the charge generation layer.3. The organic light emitting diode according to claim 2 , wherein a lowest unoccupied molecular orbital (LUMO) level of the second host is higher than a LUMO level of the first host by 0.2 eV to 0.5 eV.4. The organic light emitting diode according to claim 2 , wherein ...

DISPLAY APPARATUS

Disclosed is a display apparatus. The display apparatus includes a substrate including a first subpixel, a second subpixel, and a third subpixel. A bottom electrode is on the substrate. A light emitting layer is on the bottom electrode, and a top electrode is on the light emitting layer. Each of the first subpixel, the second subpixel, and the third subpixel includes a first mode pixel having a first viewing angle and a second mode pixel having a second viewing angle that is less than the first viewing angle. 1. A display apparatus , comprising:a substrate including a first subpixel, a second subpixel, and a third subpixel;a bottom electrode on the substrate;a light emitting layer on the bottom electrode; anda top electrode on the light emitting layer,wherein each of the first subpixel, the second subpixel, and the third subpixel includes a first mode pixel having a first viewing angle and a second mode pixel having a second viewing angle that is less than the first viewing angle.2. The display apparatus of claim 1 , wherein the bottom electrode comprises a first bottom electrode included in the first mode pixel and a second bottom electrode included in the second mode pixel.3. The display apparatus of claim 2 , wherein the first bottom electrode and the second bottom electrode are on different layers.4. The display apparatus of claim 3 , further comprising:a low refractive structure in the first mode pixel and having a refractive index that is less than a refractive index of the light emitting layer,wherein the first bottom electrode is on the low refractive structure, and the second bottom electrode is next to each of both sides of the low refractive structure.5. The display apparatus of claim 4 , wherein:the low refractive structure comprises a first low refractive structure having a first width, and a second low refractive structure on the first low refractive structure and having a second width that is greater than the first width, the first bottom electrode is ...

ENHANCED OLED OUTCOUPLING BY SUPPRESSING SURFACE PLASMON MODES

A number of new solutions for enhancing the extraction of waveguided mode and suppressing surface plasmon polariton mode in OLEDs are disclosed. 1. A organic light emitting device (OLED) , comprising:a transparent substrate having a first side and a second side; a transparent first electrode disposed over the transparent substrate;', 'at least one organic emissive layer disposed over the transparent first electrode; and', 'a transparent second electrode disposed over the at least one organic emissive layer;, 'an emissive region disposed over the first side of the transparent substrate, the emissive region comprisingan optical grating layer having a grating structure having a sub-wavelength periodicity disposed on the transparent second electrode; anda reflective layer disposed over the optical grating layer.2. The OLED of claim 1 , wherein the grating structure layer has a feature size of 300 nm and a thickness of no more than 10 nm.3. The OLED of claim 1 , further comprising an optical diffuser layer provided on the second side of the transparent substrate.4. The OLED of claim 3 , wherein the optical diffuser layer comprises a microlens array or a nanoparticle diffuser.5. The OLED of claim 1 , wherein the emissive region further comprises an electron transport layer having a thickness of at least 50 nm disposed between the cathode and the at least one organic emissive layer.6. A organic light emitting device (OLED) claim 1 , comprising:a substrate having a first side and a second side;a reflective layer disposed over the first side of the substrate;a grid layer consisting of two optically transparent materials with different refractive indices disposed on the reflective layer,a transparent first electrode provided over the grid layer,an organic emissive layer provided over the transparent bottom electrode; anda transparent second electrode provided over the organic emissive layer, wherein the grid layer scatters trapped waveguided modes from the organic emissive ...

ORGANIC LIGHT EMITTING DEVICE

A method of forming a thin film includes preparing a mixture including a light emitting layer material that forms a light emitting layer and a material that forms a layer adjacent to the light emitting layer, and sequentially laminating the light emitting layer and the layer adjacent to the light emitting layer onto a substrate inside a chamber by heating the mixture to a process temperature of the light emitting layer material and a process temperature of the additional material. The light emitting layer material and the additional material have process temperatures that are different from each other. The light emitting layer material and the additional material are laminated onto the substrate sequentially from one of the light emitting layer material and the additional material having a lower process temperature to one of the light emitting layer material and the additional material having a higher process temperature. 1. A mixture for depositing a thin film , the mixture comprising:a light emitting layer material for forming a light emitting layer of an organic light emitting device; andan additional material for forming at least one layer to be adjacent to the light emitting layer,wherein the light emitting layer material and the additional material have different process temperatures at which a vapor pressure within a chamber comes to equal a process pressure.2. The mixture for depositing a thin film as claimed in claim 1 , wherein the additional material includes at least one selected from a hole injection layer material claim 1 , a hole transport layer material claim 1 , an electron transport layer material claim 1 , and an electron injection layer material.3. The mixture for depositing a thin film as claimed in claim 1 , wherein the additional material further includes at least one selected from an electron blocking layer material and a hole blocking layer material.4. The mixture for depositing a thin film as claimed in claim 2 , wherein the additional ...

Organic light emitting diode display

An organic light emitting diode (OLED) display includes a substrate, a thin film transistor disposed on the substrate, a first electrode disposed on the thin film transistor and electrically connected to the thin film transistor, a first auxiliary layer disposed on the first electrode, an emission layer disposed on the first auxiliary layer, an electron transport layer disposed on the emission layer, a first buffer layer disposed on the electron transport layer, and a second electrode disposed on the first buffer layer.

ORGANIC LIGHT EMITTING DIODE AND ORGANIC LIGHT EMITTING DISPLAY APPARATUS HAVING THE SAME

An organic light emitting diode includes a hole injection layer, a hole transport layer, an optical compensation layer, an emission layer, an electron transport layer and an electron injection layer. The optical compensation layer is disposed on the hole transport layer and includes a phosphorescent host material. Thus, an electron barrier on an interface between the optical compensation layer and an emission layer may be reduced. Thus, the luminance efficiency in a low gray scale area may be decreased, and the stain and roll-off phenomenon in the low gray scale area may be improved. 1. An organic light emitting diode comprising:a hole injection layer;a hole transport layer disposed on the hole injection layer;an optical compensation layer disposed on the hole transport layer, wherein the optical compensation layer comprises a phosphorescent host material;an emission layer disposed on the optical compensation layer;an electron transport layer disposed on the emission layer; andan electron injection layer disposed on the electron transport layer.2. The organic light emitting diode of claim 1 , wherein a thickness of the optical compensation layer is in a range from about 20 nm to about 50 nm.3. The organic light emitting diode of claim 1 , wherein the phosphorescent host material comprises N claim 1 ,N-dicarbazolyl-3 claim 1 ,5-benzene.4. The organic light emitting diode of claim 1 , wherein the hole transport layer comprises at least one selected from the group consisting of N claim 1 ,N′-bis(3-methylphenyl)-N claim 1 ,N′-diphenyl-(1 claim 1 ,1-biphenyl)-4 claim 1 ,4′-diamine and N claim 1 ,N′-di-1-naphthyl-N claim 1 ,N′-diphenyl-1 claim 1 ,1′-biphenyl-4 claim 1 ,4′-diamine.5. The organic light emitting diode of claim 1 , wherein the emission layer comprises a matrix polymer claim 1 , a phosphorescent host material and a phosphorescent dopant.6. The organic light emitting diode of claim 5 , wherein the matrix polymer comprises at least one selected from the group ...

Organic light-emitting device, display apparatus, image information-processing apparatus, and image-forming apparatus

Provided is an organic light-emitting device having high efficiency and capable of being driven at a low voltage. An organic light-emitting device includes an anode, a cathode, and an organic compound layer including at least an emission layer between the anode and the cathode. The organic light-emitting device includes, between the anode and the emission layer, a first layer including a first organic semiconductor material and a transition metal oxide, and a second layer in contact with the first layer at an interface on a side closer to the anode and including a second organic semiconductor material. The refractive index of the first organic semiconductor material is less than 1.6. The ionization potential of the first organic semiconductor material is equal to or larger than the ionization potential of the second organic semiconductor material.

Composition for electronic devices, ink for electronic devices, and method for producing electronic device

The present invention addresses the problem of providing: a composition for electronic devices in which when a film is formed therefrom, the amount of residual solvents including fluorine-containing solvents within the film is reduced, the effects of residual solvents on a device are minimized, and it is thus possible to achieve high element performance; an ink for electronic devices that is suitable for wet processes and that makes it possible to achieve high liquid stability and element performance as a result of containing the composition for electronic devices; and a method for producing an electronic device. This composition for electronic devices contains a component A and a component B and is characterized in that the component A is a fluorine-containing solvent and the component B is a compound having a structure represented by general formula (1).

Composition and organic light-emitting device including the same

A composition including a platinum-containing organometallic compound, a first compound, a second compound, and a third compound, and an organic light-emitting device including the same wherein the composition does not comprise iridium, the Pt-containing organometallic compound, the first compound, the second compound, and the third compound are different from each other, the first compound comprises at least one electron transport moiety, the second compound and the third compound do not include a metal, each of an absolute value of a HOMO energy level of the second compound and an absolute value of a HOMO energy level of the third compound is 5.30 eV to 5.85 eV, the difference between the absolute value of the HOMO energy level of the second compound and the absolute value of the HOMO energy level of the third compound is 0.01 eV to 0.30 eV.

ORGANIC ELECTROLUMINESCENCE ELEMENT AND ELECTRONIC DEVICE

An organic electroluminescence device includes an anode, an emitting layer and a cathode, in which the emitting layer includes a first compound and a second compound, the first compound is a delayed fluorescent compound, the second compound is a fluorescent compound, an emission quantum efficiency of the first compound is 70% or less, and an ionization potential Ip1 of the first compound and an ionization potential Ip2 of the second compound satisfy a relationship of 0≤Ip2−Ip1≤0.8 eV. 1. An organic electroluminescence device comprising:an anode;an emitting layer; anda cathode, whereinthe emitting layer comprises a first compound and a second compound,the first compound is a delayed fluorescent compound,the second compound is a fluorescent compound,an emission quantum efficiency of the first compound is 70% or less, and {'br': None, '0≤Ip2−Ip1≤0.8 eV.'}, 'an ionization potential Ip1 of the first compound and an ionization potential Ip2 of the second compound satisfy a relationship of'}2. The organic electroluminescence device according to claim 1 , whereinthe emitting layer further comprises a third compound, anda singlet energy of the third compound is larger than a singlet energy of the first compound.3. The organic electroluminescence device according to claim 1 , wherein {'br': None, '0≤Ip2−Ip1≤0.5 eV.'}, 'the ionization potential Ip1 of the first compound and the ionization potential Ip2 of the second compound satisfy a relationship of'}4. The organic electroluminescence device according to claim 1 , whereinthe emission quantum efficiency of the first compound is 65% or less.5. The organic electroluminescence device according to claim 1 , whereinthe emission quantum efficiency of the first compound is 60% or less.6. The organic electroluminescence device according to claim 1 , whereinthe emission quantum efficiency of the first compound is 30% or more.7. The organic electroluminescence device according to claim 1 , whereina singlet energy of the first compound ...

BENZAZOLE DERIVATIVE HAVING HETEROARYL GROUP AND ORGANIC ELECTROLUMINESCENCE DEVICE INCLUDING THE SAME

Disclosed is a benzazole derivative having a heteroaryl group, wherein the benzazole derivative having the heteroaryl group is represented by Chemical Formula 1. Also disclosed is an organic electroluminescence device including an organic layer containing the benzazole derivative having the heteroaryl group: 3. The benzazole derivative of claim 2 , wherein each of Ar1 claim 2 , Ar2 claim 2 , Ar3 and Ar5 independently represents one selected from a group consisting of hydrogen claim 2 , a methyl group claim 2 , an ethyl group claim 2 , an isopropyl group claim 2 , an isobutyl group claim 2 , a t-butyl group claim 2 , a trimethylsilyl group claim 2 , a triphenylsilyl group claim 2 , a trifluoromethyl group claim 2 , a substituted or unsubstituted phenyl group claim 2 , a substituted or unsubstituted biphenyl group claim 2 , a substituted or unsubstituted naphthyl group claim 2 , a substituted or unsubstituted phenanthrene group claim 2 , a substituted or unsubstituted pyridine claim 2 , a substituted or unsubstituted quinoline group claim 2 , a substituted or unsubstituted benzoquinoline group claim 2 , a substituted or unsubstituted phenanthridine group claim 2 , a substituted or unsubstituted dibenzothiophene group claim 2 , and a substituted or unsubstituted dibenzofuran group.4. The benzole derivate of claim 1 , wherein two of X1 claim 1 , X2 and X3 are N.5. The benzole derivative of claim 1 , wherein all of X1 claim 1 , X2 claim 1 , and X3 are N.7. The benzazole derivative of claim 6 , wherein each of Ar1 claim 6 , Ar2 claim 6 , and Ar3 independently represents one selected from a group consisting of hydrogen claim 6 , a methyl group claim 6 , an ethyl group claim 6 , an isopropyl group claim 6 , an isobutyl group claim 6 , a t-butyl group claim 6 , a trimethylsilyl group claim 6 , a triphenylsilyl group claim 6 , a trifluoromethyl group claim 6 , a substituted or unsubstituted phenyl group claim 6 , a substituted or unsubstituted biphenyl group claim 6 , a ...

DISPLAY PANEL AND FABRICATION MEHTOD THEREOF, AND DISPLAY DEVICE

A display panel, a method for fabrication a display panel, and a display device are provided. The display panel includes a display area, and a non-display area surrounding the display area and a first bezel area being in the non-display area; a substrate; a wiring layer, disposed on the substrate and in the non-display area, and including at least one first lead and at least one second lead, and at least a partial line segment of the at least one first lead and at least a partial line segment of the at least one second lead are disposed in the first bezel area; a polarizer disposed on a side of the wiring layer away from the substrate; and a first light-emitting layer, at least distributed in the first bezel area and, along a direction perpendicular to the substrate, disposed between the substrate and the wiring layer. 1. A display panel having a display area , and a non-display area surrounding the display area , a first bezel area being in the non-display area , and the display panel comprising:a substrate;a wiring layer, disposed on the substrate and in the non-display area, and including at least one first lead and at least one second lead, wherein a voltage difference is formed between the at least one first lead and the at least one second lead, and at least a partial line segment of the at least one first lead and at least a partial line segment of the at least one second lead are disposed in the first bezel area;a polarizer disposed on a side of the wiring layer away from the substrate; anda first light-emitting layer, at least distributed in the first bezel area and, along a direction perpendicular to the substrate, disposed between the substrate and the wiring layer.2. The display panel according to claim 1 , wherein:an orthographic projection of the at least one first lead and an orthographic projection of the at least one second lead on the substrate are within an orthographic projection of the first light-emitting layer on the substrate.3. The display ...

COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENTS, ORGANIC ELECTROLUMINESCENT ELEMENT AND ELECTRONIC DEVICE

A high-performance organic electroluminescence device and an electronic equipment provided with the organic electroluminescence device are provided. Also, a compound for achieving the organic electroluminescence device and the electronic equipment is provided. Specifically, a compound having a specific structure having a triphenylene skeleton, an organic electroluminescence device using the compound and an electronic equipment provided with the organic electroluminescence device are provided. 2. The compound according to claim 1 , wherein one of Rto Ris a group represented by the general formula (2).4. The compound according to claim 1 , wherein the substituents of the pair in Rto Rcombine to form a ring claim 1 , and the ring is a substituted or unsubstituted aromatic ring or a substituted or unsubstituted heteroaromatic ring.8. The compound according to claim 7 , wherein Rand Rto Rin the general formulae (1-1′) and (1-2′) are all independent from each other and do not combine to form a ring.10. The compound according to claim 1 , wherein at least one of Arand Aris a substituted or unsubstituted aryl group having 6 to 60 ring carbon atoms.11. The compound according to claim 10 , wherein Arand Arare both a substituted or unsubstituted aryl group having 6 to 60 ring carbon atoms.12. The compound according to claim 11 , wherein Arand Arare both a substituted or unsubstituted aryl group having 6 to 13 ring carbon atoms.13. The compound according to claim 11 , wherein Arand Arare each independently a substituted or unsubstituted phenyl group claim 11 , a substituted or unsubstituted naphthyl group claim 11 , a substituted or unsubstituted biphenylyl group or a substituted or unsubstituted fluorenyl group.14. The compound according to claim 1 , wherein X is an oxygen atom or a sulfur atom.15. The compound according to claim 1 , wherein Lis a direct bond.16. The compound according to claim 1 , wherein Lis a phenylene group claim 1 , a naphthylene group claim 1 , an ...

Organic light-emitting device

An organic light-emitting device includes a first electrode, a second electrode, and an emission layer between the first electrode and the second electrode, in which the emission layer may include a fluorescent host and a fluorescent dopant. The device includes a charge balance layer (CBL) adjacent to the emission layer and between the emission layer and the second electrode. When the LUMO of the charge balance layer (E CL ) is at least 0.2 eV higher than the LUMO of the electron transport layer (E EL ), and the HOMO of the charge balance layer (E CH ) is at least 0.2 eV lower than the HOMO of the fluorescent dopant (E dH ), the rate of electron injection into the emission layer can be controlled, and direct electron injection into the host and dopant at the same or substantially the same time can be achieved, thereby improving the device efficiency.

ORGANIC EL ELEMENT

An organic electroluminescence (EL) element including an anode, a cathode opposing the anode, a light-emitting layer between the anode and the cathode, a hole transport layer in contact with the light-emitting layer, between the light-emitting layer and the anode, and an electron transport layer in contact with the light-emitting layer, between the light-emitting layer and the cathode. A difference between a lowest unoccupied molecular orbital (LUMO) level of an organic material included in the light-emitting layer and a LUMO level of an organic material included in the electron transport layer is greater than a difference between a highest occupied molecular orbital (HOMO) level of an organic material included in the hole transport layer and a HOMO level of the organic material included in the light-emitting layer. 1. An organic electroluminescence (EL) element comprising:an anode;a cathode opposing the anode;a light-emitting layer disposed between the anode and the cathode;a hole transport layer in contact with the light-emitting layer, disposed between the light-emitting layer and the anode; andan electron transport layer in contact with the light-emitting layer, disposed between the light-emitting layer and the cathode, whereina difference between a lowest unoccupied molecular orbital (LUMO) level of an organic material included in the light-emitting layer and a LUMO level of an organic material included in the electron transport layer is greater than a difference between a highest occupied molecular orbital (HOMO) level of an organic material included in the hole transport layer and a HOMO level of the organic material included in the light-emitting layer.2. The organic EL element of claim 1 , whereinthe difference between the LUMO level of the organic material included in the light-emitting layer and the LUMO level of the organic material included in the electron transport layer is at least 0.3 eV greater than the difference between the HOMO level of the ...

LIGHT-EMITTING ELEMENT, LIGHTING DEVICE, AND ELECTRONIC APPLIANCE

A tandem light-emitting element employing an inverted-structure is provided. The light-emitting element includes a cathode, a first EL layer over the cathode, a second EL layer over the first EL layer, an anode over the second EL layer, and an intermediate layer. The intermediate layer is between the first EL layer and the second EL layer. The intermediate layer includes a first layer, a second layer over the first layer, and a third layer over the second layer. The first layer includes a hole-transport material and an electron acceptor. The third layer includes an alkali metal or an alkaline earth metal. The second layer includes an electron-transport material. 1. A light-emitting element comprising:a cathode;a first EL layer over the cathode;a second EL layer over the first EL layer;an anode over the second EL layer; andan intermediate layer between the first EL layer and the second EL layer, a first layer comprising a hole-transport material and an electron acceptor;', 'a second layer comprising an electron-transport material over the first layer; and', 'a third layer comprising an alkali metal or an alkaline earth metal over the second layer., 'wherein the intermediate layer comprises2. The light-emitting element according to claim 1 ,wherein the first EL layer emits first light,wherein the second EL layer emits second light, andwherein a color of the first light and a color of the second light are different from each other.3. The light-emitting element according to claim 1 , wherein the second layer is configured to suppress diffusion of the alkali metal or the alkaline earth metal into the first layer.4. The light-emitting element according to claim 1 , wherein the third layer has a function as an electron injection buffer layer.5. The light-emitting element according to claim 1 , further comprising a layer between the first layer and the second layer claim 1 , the layer comprising a phthalocyanine-based material or a metal complex having a metal-oxygen bond ...

OLED DEVICE AND MANUFACTURING METHOD THEREOF, DISPLAY APPARATUS

An OLED device, comprising: a first electrode (), a second electrode () and an organic thin film layer (); the organic thin film layer comprises a hole layer (), an electron layer () and an organic light emitting layer () located between the hole layer () and the electron layer (); and the organic thin film layer () further comprises a hole blocking layer (). The organic light emitting layer () comprises a first light emitting unit (), a second light emitting unit () and a third light emitting unit (). A manufacturing method of an OLED device and a display apparatus comprising an OLED device are provided. 1. An OLED device , comprising: a first electrode , a second electrode and an organic thin film layer located between the first electrode and the second electrode ,wherein, the organic thin film layer comprises a hole layer, an electron layer and an organic light emitting layer located between the hole layer and the electron layer;the organic thin film layer further comprises a hole blocking layer that is located between the organic light emitting layer and the electron layer;the organic light emitting layer comprises a first light emitting unit, a second light emitting unit and a third light emitting unit;the hole blocking layer and the third light emitting unit have a same material, and are integrally formed.2. The OLED device of claim 1 , wherein claim 1 , the first electrode is an anode claim 1 , and the second electrode is a cathode;the first electrode contacts with the hole layer, and the second electrode contacts with the electron layer.3. The OLED device of claim 1 , wherein claim 1 , the first electrode comprises: a first substrate and an anode layer located between the first substrate and the hole layer;the second electrode comprises: a second substrate and a cathode layer located between the second substrate and the electron layer.4. The OLED device of any of claim 1 , wherein claim 1 , the hole layer comprises a hole injection layer and a hole ...

ANTHRACENE DERIVATIVE AND ORGANIC ELECTROLUMINESCENT ELEMENT USING THE SAME

This organic electroluminescent element is manufactured by using an anthracene derivative having a pyridyl aryl group substituted with an alkyl represented by formula (1) as an electron transport material, and satisfies characteristics such as the following in an adequate and well-balanced manner: improves the external quantum efficiency of the light-emitting element, which is generally required by the electron transport material; reduces the drive voltage of the light-emitting element; and increases the life of the element. (In formula (1), Ar is a divalent or trivalent benzene or naphthalene; R is hydrogen or an alkyl with a carbon number of 1 to 6, but all of the Rs never simultaneously form hydrogen; and Rto Rare, individually, hydrogen, an alkyl with a carbon number of 1 to 6, a cycloalkyl with a carbon number of 3 to 6, or an aryl with a carbon number of 6 to 20.)

ORGANIC COMPOUND AND ORGANIC LIGHT EMITTING DIODE DEVICE INCLUDING THE SAME

An organic compound is represented by Formula 1. 5. The organic light emitting diode device as claimed in claim 4 , whereinthe organic layer includes an electron transport layer, andthe organic compound represented by Formula 1 is included in the electron transport layer. Korean Patent Application No. 10-2014-0086973 filed on Jul. 10, 2014, in the Korean Intellectual Property Office, and entitled: “Organic Compound and Organic Light Emitting Diode Device Including the Same,” is incorporated by reference herein in its entirety.1. FieldEmbodiments relate to an organic compound and an organic light emitting diode device including the same.2. Description of the Related ArtRecent trends toward lightweight and thin personal computers and televisions sets also require lightweight and thin display devices, and flat panel displays satisfying such requirements are being substituted for conventional cathode ray tubes (CRTs.)However, since the LCD is a passive display device, an additional back-light as a light source is needed, and the LCD has various problems such as a slow response time and a narrow viewing angle. In this connection, an organic light emitting diode (OLED) display has recently been spotlighted as a display device that has merits such as a wide viewing angle, outstanding contrast, and a fast response time. In the organic light emitting diode device, electrons injected from one electrode and holes injected from another electrode are combined with each other in an emission layer, thereby generating excitons, and energy is outputted from the excitons to thereby emit light.Embodiments are directed to an organic compound represented by Formula 1:Wherein, Formula 1,Xand Xare CRor N,Rto Rare independently hydrogen, deuterium, a halogen, a C1 to C40 alkyl group, a C5 to C40 aryl group, a C5 to C40 heteroaryl group, a C5 to C40 aryloxy group, a C1 to C40 alkyloxy group, a C5 to C40 arylamino group, a C5 to C40 diarylamino group, a C6 to C40 arylalkyl group, a C3 to C40 ...

Light-Emitting Element, Light-Emitting Device, Display Device, Electronic Device, and Lighting Device

A light-emitting element which uses a plurality of kinds of light-emitting dopants emitting light in a balanced manner and has high emission efficiency is provided. Further, a light-emitting device, a display device, an electronic device, and a lighting device each having reduced power consumption by using the above light-emitting element are provided. A light-emitting element which includes a plurality of light-emitting layers including different phosphorescent materials is provided. In the light-emitting element, the light-emitting layer which includes a light-emitting material emitting light with a long wavelength includes two kinds of carrier-transport compounds having properties of transporting carriers with different polarities. Further, in the light-emitting element, the triplet excitation energy of a host material included in the light-emitting layer emitting light with a short wavelength is higher than the triplet excitation energy of at least one of the carrier-transport compounds. 1. (canceled)2. A light-emitting device comprising:an anode;a first light-emitting layer over the anode, the first light-emitting layer comprising a first phosphorescent compound and a first host material;a second light-emitting layer over the first light-emitting layer, the second light-emitting layer comprising a second phosphorescent compound, a first electron-transport compound, and a first hole-transport compound; anda cathode over the second light-emitting layer,wherein an emission wavelength of the second phosphorescent compound is longer than an emission wavelength of the first phosphorescent compound,wherein a triplet excitation energy of the first host material is higher than or equal to a triplet excitation energy of the first electron-transport compound or the first hole-transport compound, andwherein the first electron-transport compound and the first hole-transport compound form an exciplex.3. The light-emitting device according to claim 2 ,wherein a difference in ...

ORGANIC LIGHT-EMITTING DIODE HAVING LOW DRIVING VOLTAGE AND LONG LIFESPAN

The present disclosure relates to an organic light-emitting diode having a low driving voltage and long lifespan and more particularly, to an organic light-emitting diode, comprising a first electrode, a second electrode facing the first electrode, and a light-emitting layer interposed therebetween, wherein the light-emitting layer contains at least one of the amine compounds represented by the following Chemical Formula A or Chemical Formula B, plus the compound represented by Chemical Formula D. The structures of Chemical Formulas A, B, and D are the same as in the specification. 2. The organic light-emitting diode as set forth in claim 1 , wherein the light-emitting layer contains a host and a dopant claim 1 , wherein the dopant is selected from among the amine compounds represented by Chemical Formulas A and B and the host is the compound represented by Chemical Formula D.3. The organic light-emitting diode as set forth in claim 1 , wherein A claim 1 , A claim 1 , E claim 1 , and F in Chemical Formula A or B may be same or different and are each independently substituted or unsubstituted aromatic hydrocarbon rings of 6 to 50 carbon atoms.7. The organic light-emitting diode as set forth in claim 1 , wherein at least one of the substituents Rto Rin Chemical Formula D may contain a deuterium.8. The organic light-emitting diode as set forth in claim 7 , wherein Ris a deuterium claim 7 , and k is 5.9. The organic light-emitting diode as set forth in claim 7 , wherein Rand/or Ris a deuterium claim 7 , and l is an integer of 2 or greater or m is an integer of 2 or greater.10. The organic light-emitting diode as set forth in claim 7 , wherein Rand/or Ris a deuterium claim 7 , and n is an integer of 2 or greater or o is an integer of 2 or greater.11. The organic light-emitting diode as set forth in claim 1 , wherein W in Chemical Formulas A and B is CRRor SiRR.14. The organic light-emitting diode as set forth in claim 1 , wherein the organic light-emitting diode ...

Organic electroluminescent element

The present invention provides an organic electroluminescent element which comprises: an anode; a cathode; and an organic layer interposed between the anode and the cathodes, wherein the organic layer comprises one or more types of layer from the group consisting of a hole-injection layer, hole-transport layer, light-emitting layer, lifetime enhancement layer, electron-transport layer, and electron-injection layer.

ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES

The present application includes novel compounds containing xanthene and spiro dixanthene ring structures. These compounds are useful as host materials with high triplet energies for phosphorescent electroluminescent devices. 2. The compound of claim 1 , wherein at least one of Land Lis a direct bond.3. The compound of claim 1 , wherein Land Lare each a direct bond.4. The compound of claim 1 , wherein Lis a silyl group.9. The OLED of claim 8 , wherein the organic layer is an emissive layer and the compound of Formula I is a host.11. The OLED of claim 8 , wherein the organic layer is a blocking layer and the compound of Formula I is a blocking material in the organic layer.12. The OLED of claim 8 , wherein the organic layer is a transporting layer and the compound of Formula I is a transporting material in the organic layer.13. The OLED of claim 8 , wherein the organic layer is an emissive layer and the compound of Formula I is an emitter.14. The OLED of claim 13 , wherein the OLED emits a luminescent radiation at room temperature when a voltage is applied across the organic light emitting device claim 13 , and wherein the luminescent radiation comprises a delayed fluorescence process.15. The OLED of claim 13 , wherein the emissive layer further comprises a host material.16. The OLED of claim 13 , wherein the emissive layer further comprises a first phosphorescent emitting material.17. The OLED of claim 16 , wherein the emissive layer further comprises a second phosphorescent emitting material.18. The OLED of claim 16 , wherein the OLED emits a white light at room temperature when a voltage is applied across the organic light emitting device.20. The consumer product of claim 19 , wherein the consumer product is selected from the group consisting of a flat panel display claim 19 , a computer monitor claim 19 , a medical monitor claim 19 , a television claim 19 , a billboard claim 19 , a light for interior or exterior illumination and/or signaling claim 19 , a heads-up ...

ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES

The present application includes novel containing xanthene and spiro dixanthene ring structures and alkylated variants thereof. These compounds are useful as host materials with high triplet energies for phosphorescent electroluminescent devices. 2. The compound of claim 1 , wherein X is selected from the group consisting of O claim 1 , S claim 1 , and Se.3. The compound of claim 1 , wherein X is NR.4. The compound of claim 1 , wherein Y is selected from the group consisting of O claim 1 , S claim 1 , Se claim 1 , and NR.5. The compound of claim 1 , wherein Y is CRRor SiRR.6. The compound of claim 1 , wherein in condition (1) claim 1 , Ris not hydrogen or deuterium claim 1 , and R′ and R′ are hydrogen.7. The compound of claim 1 , wherein in condition (1) claim 1 , Ris hydrogen claim 1 , and R′ and R′ are not hydrogen or deuterium.8. The compound of claim 1 , wherein in condition (1) claim 1 , A is an aromatic ring.9. The compound of claim 1 , wherein in condition (1) claim 1 , A is benzene.10. The compound of claim 1 , wherein in condition (1) claim 1 , at least one of R claim 1 , R′ and R′ is selected from the group consisting of alkyl claim 1 , cycloalkyl claim 1 , silyl claim 1 , unfused aryl claim 1 , unfused heteroaryl claim 1 , and combinations thereof.11. The compound of claim 1 , wherein in condition (1) claim 1 , A is further substituted by a structure of Formula I.14. The OLED of claim 13 , wherein the organic layer is an emissive layer and the compound of Formula I is a host.16. The OLED of claim 13 , wherein the organic layer is a blocking layer and the compound of Formula I is a blocking material in the organic layer.17. The OLED of claim 13 , wherein the organic layer is a transporting layer and the compound of Formula I is a transporting material in the organic layer.19. The consumer product of claim 18 , wherein the consumer product is selected from the group consisting of a flat panel display claim 18 , a computer monitor claim 18 , a medical ...

CONDENSED CYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME

Provided are a condensed cyclic compound having the following structure: 2. The condensed cyclic compound of claim 1 , wherein ring Dand ring Dare each independently selected from a benzene claim 1 , a naphthalene claim 1 , an anthracene claim 1 , a phenanthrene claim 1 , a chrysene claim 1 , and a pyrene.3. The condensed cyclic compound of claim 1 , wherein Lis selected from:a phenylene group, a pentalenylene group, an indenylene group, a naphthylene group, an azulenylene group, a heptalenylene group, an indacenylene group, an acenaphthylene group, a fluorenylene group, a spiro-bifluorenylene group, a benzofluorenylene group, a dibenzofluorenylene group, a phenalenylene group, a phenanthrenylene group, an anthracenylene group, a fluoranthenylene group, a triphenylenylene group, a pyrenylene group, a chrysenylene group, a naphthacenylene group, a picenylene group, a perylenylene group, a pentaphenylene group, a hexacenylene group, a pentacenylene group, a rubicenylene group, a coronenylene group, a ovalenylene group, a pyrrolylene group, a thiophenylene group, a furanylene group, an imidazolylene group, a pyrazolylene group, a thiazolylene group, an isothiazolylene group, an oxazolylene group, an isoxazolylene group, a pyridinylene group, a pyrazinylene group, a pyrimidinylene group, a pyridazinylene group, an isoindolylene group, an indolylene group, an indazolylene group, a purinylene group, a quinolinylene group, an isoquinolinylene group, a benzoquinolinylene group, a phthalazinylene group, a naphthyridinylene group, a quinoxalinylene group, a quinazolinylene group, a cinnolinylene group, a phenanthridinylene group, an acridinylene group, a phenanthrolinylene group, a phenazinylene group, a benzimidazolylene group, a benzofuranylene group, a benzothiophenylene group, an isobenzothiazolylene group, a benzoxazolylene group, an isobenzoxazolylene group, a triazolylene group, a tetrazolylene group, an oxadiazolylene group, a triazinylene group, a dibenzofuranylene ...

OLED Display Panel And A Display Device Comprising The Same

The present disclosure relates to an OLED display panel. With the OLED display panel, a higher luminous efficiency is achieved by selecting a thermally activated delayed fluorescent material for doping into an organic light emitting layer and applying a compound having a specific energy level to match, thereby the luminous efficiency of an organic photo electronic device is improved. 1. An OLED display panel , comprising:a first electrode, a second electrode, a light emitting layer disposed between the first electrode and the second electrode; anda first functional layer and a second functional layer disposed on a first and a second sides of the light emitting layer respectively, wherein the first functional layer comprises at least one compound having a hole transport capability,wherein the second functional layer comprises at least one compound having an electron transport capability; wherein an organic light emitting compound in the light emitting layer is doped with a thermally activated delayed fluorescent material;{'sub': H', 'T, 'wherein a lowest triplet energy level of the organic light emitting compound (T) is higher than a lowest singlet energy level of the thermally activated delayed fluorescent material (S);'}{'sub': 1', 'H, 'claim-text': {'br': None, 'i': T', '−T, 'sub': 1', 'H, '>−0.2 eV\u2003\u2003formula (I); and'}, 'wherein the lowest triplet energy level of the compound having a hole transport capability (T) and the lowest triplet energy level of the organic light emitting compound (T) satisfy formula (I){'sub': 2', 'H, 'claim-text': {'br': None, 'i': T', '−T, 'sub': 2', 'H, '>−0.2 eV\u2003\u2003formula (II).'}, 'wherein the lowest triplet energy level of the compound having an electron transport capability (T) and the lowest triplet energy level of the organic light emitting compound (T) satisfy formula (II)2. The OLED display panel according to claim 1 , wherein the light emitting layer comprises a blue light emitting layer; wherein the blue ...

LIGHT-EMITTING COMPONENT, METHOD FOR PRODUCING A LIGHT-EMITTING COMPONENT AND METHOD FOR OPERATING A LIGHT-EMITTING COMPONENT

A light-emitting component provides an emitter layer including phosphorescent and fluorescent emitter materials, and at least one predefined first and second display regions. The first region has both emitter materials. The second region has the phosphorescent emitter material. A first electromagnetic radiation is emitted upon the transition from the first excited state to the ground state of the phosphorescent emitter material. A second electromagnetic radiation is emitted upon the transition from the excited state to the ground state of the fluorescent emitter material. The excited state of the fluorescent emitter material is occupied by an energy transfer from the second excited state of the phosphorescent emitter material to the excited state of the fluorescent emitter material so that a mixed light composed of first and second electromagnetic radiations is emittable from the first region, and the light that is emittable from the second region is free of second electromagnetic radiation. 1. A light-emitting component comprising an emitter layer ,wherein the emitter layer comprises a phosphorescent emitter material and a fluorescent emitter material, and wherein the first display region comprises the phosphorescent emitter material and a doping with fluorescent emitter material, and', 'wherein the second display region comprises the phosphorescent emitter material and is substantially free of the fluorescent emitter material;, 'wherein the emitter layer has at least one predefined first display region and a second display region,'}wherein the phosphorescent emitter material has at least one first excited state and a second excited state, wherein the second excited state is energetically above the first excited state, and a first electromagnetic radiation is emitted upon the transition from the first excited state to the ground state of the phosphorescent emitter material, andwherein the fluorescent emitter material has at least one excited state, wherein a second ...

ORGANIC LIGHT EMITTING DIODE ARRAY SUBSTRATE, MANUFACTURING METHOD THEREOF AND DISPLAY DEVICE

An organic light emitting diode array substrate, a manufacturing method thereof, and a display device are provided. The organic light emitting diode array substrate includes a base substrate; a first electrode pattern () and an insulating layer () disposed on the base substrate (), wherein the first electrode pattern () includes a plurality of first electrodes () of strip shape, the first electrodes () protrude above the insulating layer () to form a step therebetween; an anti-oxidant conductive film () disposed on the first electrode pattern () and the insulating layer (), wherein the anti-oxidant conductive film () is disconnected at the step between the first electrodes () and the insulating layer (). The anti-oxidant conductive film () can avoid the problem of uneven distribution of charge carrier caused by local oxidation of the first electrode (). 1. An organic light emitting diode (OLED) array substrate , comprising:a base substrate;a first electrode pattern and an insulating layer disposed on the base substrate, wherein the first electrode pattern includes a plurality of first electrodes separated from each other, the first electrodes are configured to protrude above the insulating layer to form a step between the first electrodes and the insulating layer;an anti-oxidant conductive film disposed on the first electrode pattern and the insulating layer, wherein the anti-oxidant conductive film includes a first portion on the first electrode pattern and a second portion on the insulating layer, and the first portion is disconnected from the second portion.2. The organic light emitting diode (OLED) array substrate according to claim 1 , wherein the first electrodes are separated from each other by the insulating layer.3. The organic light emitting diode (OLED) array substrate according to claim 1 , wherein a height difference between the first electrodes and the insulating layer is greater than a thickness of the anti-oxidant conductive film in a direction ...

ORGANIC LIGHT EMITTING DISPLAY DEVICE

An organic light emitting display device comprising: a substrate; a first pixel electrode disposed on the substrate; a pixel defining film disposed on the first pixel electrode and having a first opening at least partially exposing the first pixel electrode; a first organic light emitting layer disposed on the pixel defining film and overlapping with the first opening of the pixel defining film; and a black matrix disposed on the first organic light emitting layer and having a first opening overlapping with the first organic light emitting layer. Light having passed through the first opening of the black matrix is one of red light, green light, and blue light. The first opening of the black matrix may have a shape with a curved portion. 1. An organic light emitting display device comprising:a substrate;a first pixel electrode disposed on the substrate;a pixel defining film disposed on the first pixel electrode and having a first opening at least partially exposing the first pixel electrode;a first organic light emitting layer disposed on the pixel defining film and overlapping with the first opening of the pixel defining film; anda black matrix disposed on the first organic light emitting layer and having a first opening overlapping with the first organic light emitting layer,wherein light having passed through the first opening of the black matrix is one of red light, green light, and blue light, andwherein the first opening of the black matrix has a shape with a curved portion.2. The organic light emitting display device of claim 1 , wherein the first opening of the black matrix is substantially circular.3. The organic light emitting display device of claim 1 , wherein the first opening of the black matrix has a smaller area than the first opening of the pixel defining film.4. The organic light emitting display device of claim 1 , further comprising a color filter disposed to cover the first opening of the black matrix.5. The organic light emitting display device ...

ORGANIC ELECTROLUMINESCENT ELEMENT, ORGANIC ELECTROLUMINESCENT PANEL, ORGANIC ELECTROLUMINESCENT UNIT, AND ELECTRONIC APPARATUS

An organic electroluminescent element includes, in order, an anode, an organic layer including a light-emitting layer, and a cathode. The organic layer further includes a first organic layer that is provided between the light-emitting layer and the anode, and includes a hole transport layer. The hole transport layer includes a material having an absorption coefficient of 0.01 or greater and 0.06 or less. The light-emitting layer has a light-emitting center receding from a first interface of the light-emitting layer by a thickness greater than 0 and equal to or less than 0.4, where the light-emitting layer has a thickness of 1. The first interface is adjacent to the anode. The organic electroluminescent element further includes a microcavity structure in which the position of the interface is a resonance point. 1. An organic electroluminescent element comprising , in order:an anode;an organic layer including a light-emitting layer; anda cathode,the organic layer further including a first organic layer that is provided between the light-emitting layer and the anode, and including a hole transport layer, the hole transport layer including a material having an absorption coefficient of 0.01 or greater and 0.06 or less,the light-emitting layer having a light-emitting center receding from a first interface of the light-emitting layer by a thickness greater than 0 and equal to or less than 0.4, where the light-emitting layer has a thickness of 1, the first interface being adjacent to the anode,the organic electroluminescent element further including a microcavity structure in which a position of the first interface is a resonance point.2. The organic electroluminescent element according to claim 1 , wherein the light-emitting layer has the light-emitting center receding from the first interface of the light-emitting layer by the thickness of 0.1 or greater and 0.2 or less claim 1 , where the light-emitting layer has the thickness of 1.3. The organic electroluminescent ...

Method of manufacturing organic light-emitting display apparatus

An organic light-emitting display apparatus, including a pixel electrode; a pixel definition layer covering at least a portion of an edge of the pixel electrode; an emission layer on the pixel electrode; and a first intermediate layer on the pixel electrode and the pixel definition layer, the first intermediate layer having a first through hole corresponding to at least a portion of an upper surface of the pixel definition layer.

Light-emitting element, light-emitting device, electronic device, and lighting device

A light-emitting element having a long lifetime is provided. A light-emitting element exhibiting high emission efficiency in a high luminance region is provided. A light-emitting element includes a light-emitting layer between a pair of electrodes. The light-emitting layer contains a first organic compound, a second organic compound, and a phosphorescent compound. The first organic compound is represented by a general formula (G0). The molecular weight of the first organic compound is greater than or equal to 500 and less than or equal to 2000. The second organic compound is a compound having an electron-transport property. In the general formula (G0), Arand Areach independently represent a fluorenyl group, a spirofluorenyl group, or a biphenyl group, and Arrepresents a substituent including a carbazole skeleton. 1. (canceled)3. The light-emitting element according to claim 2 ,wherein a molecular weight of the third organic compound is greater than or equal to 500 and less than or equal to 2000.4. The light-emitting element according to claim 2 ,wherein the first layer further comprises an acceptor, andwherein a molecular weight of the third organic compound is greater than or equal to 500 and less than or equal to 2000.5. The light-emitting element according to claim 2 ,wherein a molecular weight of the third organic compound is greater than or equal to 500 and less than or equal to 2000, andwherein the second layer comprises a heteroaromatic compound.6. The light-emitting element according to claim 2 ,wherein the first layer further comprises an acceptor,wherein a molecular weight of the third organic compound is greater than or equal to 500 and less than or equal to 2000, andwherein the second layer comprises a heteroaromatic compound.7. The light-emitting element according to claim 2 ,wherein the first organic compound and the second organic compound form an exciplex, andwherein an emission spectrum of the exciplex overlaps with an adsorption band of the ...

Organic light emitting device

The present invention provides an organic light emitting device having improved driving voltage, efficiency and lifetime.

ORGANIC LIGHT EMITTING DIODE COMPONENT AND LAMP

The present disclosure provides an organic light emitting diode component and a lamp containing the same, the organic light emitting diode component includes an organic light emitting diode, the organic light emitting diode includes an electron transport layer, an organic light emitting material layer and a hole transport layer, and the organic light emitting diode component further includes a magnetic field supply element, the magnetic field supply element supplies a magnetic field, in a case where the magnetic field supply element supplies the magnetic field, at least a part of the organic light emitting diode is located in the magnetic field, the electron transport layer of the organic light emitting diode includes a material with an electron mobility varying with changing of the magnetic field, and/or the hole transport layer of the organic light emitting diode includes a material with a hole mobility varying with changing of the magnetic field. 1. An organic light emitting diode component , comprising an organic light emitting diode , wherein the organic light emitting diode comprises an electron transport layer , an organic light emitting material layer and a hole transport layer , and the organic light emitting diode component further comprises a magnetic field supply element , the magnetic field supply element supplies a magnetic field , and in a case where the magnetic field supply element supplies the magnetic field , at least a part of the organic light emitting diode is located in the magnetic field , the electron transport layer of the organic light emitting diode comprises a material with an electron mobility varying with changing of the magnetic field , and/or the hole transport layer of the organic light emitting diode includes a material with a hole mobility varying with changing of the magnetic field.2. The organic light emitting diode component of claim 1 , wherein the magnetic field supply element provides a magnetic field with an adjustable ...

Organic Electroluminescent Device Comprising a Hole Injection Layer and Electron Injection Layer with Zero-Valent Metal

The present invention relates to an organic electroluminescent device comprising an hole injection layer and electron injection layer with zero-valent metal, and a method of manufacturing the same. In particular the present invention relates to an organic electroluminescent device comprising an anode layer, at least one electron transport layer, at least one electron injection layer, a cathode layer, and an emission layer, wherein the emission layer is arranged between the anode layer and the cathode layer, wherein the at least a first electron transport layer and the injection layer are arranged between the emission layer and the cathode layer, wherein the electron injection layer is arranged in direct contact to the first transport electron layer, wherein the first electron transport layer is arranged nearer to the anode layer and the electron injection layer is arranged nearer to the cathode layer, wherein at least the first electron transport layer comprises an organic phosphine matrix compound, and a first zero-valent alkali metal; and the electron injection layer comprises a second zero-valent metal of an alkaline earth metal and/or rare earth metal, and an alkali metal halide. 2. The organic electroluminescent device according to claim 1 , wherein the first zero-valent alkali metal of the electron transport layer and the alkali metal of the alkali metal halide of the electron injection layer are the same.3. The organic electroluminescent device according to claim 1 , wherein the first electron transport layer comprises a gradient distribution of the first zero-valent alkali metal.4. The organic electroluminescent device according to claim 1 , wherein the electron injection layer comprises a gradient distribution of the alkali metal halide.5. The organic electroluminescent device according to claim 1 , wherein the electron injection layer comprises a mixture ofthe second zero-valent metal, which is an alkaline earth metal and/or rare earth metal, andthe alkali ...

ORGANIC LIGHT-EMITTING DIODES COMPRISING GRATING STRUCTURES AND LIGHT EXTRACTION LAYERS

Embodiments described herein generally relate to organic light-emitting diodes (OLEDs) comprising a substrate, a light extraction layer, a first electrode, one or more organic layers, and a second electrode. In some embodiments, the light extraction layer is positioned between the substrate and the first electrode. According to some embodiments, an interface between the light extraction layer and the first electrode comprises a grating structure. The grating structure may, in certain cases, promote outcoupling of light generated within the OLED (e.g., through diffraction). 1. An organic light-emitting diode (OLED) , comprising:a substrate;a first electrode;a second electrode;one or more organic layers positioned between the first electrode and the second electrode, wherein the one or more organic layers comprise a light-emitting layer; anda light extraction layer positioned between the substrate and the first electrode, wherein a difference between a refractive index of the light extraction layer and a refractive index of the first electrode has a magnitude of at least 0.20, and wherein a first interface between the light extraction layer and the first electrode comprises a first grating structure.2. The OLED of claim 1 , wherein the difference between the refractive index of the light extraction layer and the refractive index of the first electrode has a magnitude of at least 0.30.3. The OLED of claim 1 , wherein the difference between the refractive index of the light extraction layer and the refractive index of the first electrode has a magnitude between 0.20 and 1.00.4. The OLED of claim 1 , wherein the refractive index of the light extraction layer is 1.45 or less.5. The OLED of claim 1 , wherein the refractive index of the light extraction layer is between 1.00 and 1.45.6. The OLED of claim 1 , wherein the refractive index of the light extraction layer is less than a refractive index of the substrate.7. The OLED of claim 1 , wherein a difference between the ...

ORGANIC LIGHT EMITTING DISPLAY DEVICE

A light emitting display device comprises a substrate, a first pixel electrode disposed on the substrate, a pixel defining film disposed on the first pixel electrode and having a first opening at least partially exposing the first pixel electrode, a first organic light emitting layer disposed on the pixel defining film and overlapping with the first opening of the pixel defining film, and a black matrix disposed on the first organic light emitting layer and having a first opening overlapping with the first organic light emitting layer. Light having passed through the first opening of the black matrix is one of red light, green light, and blue light. The first opening of the black matrix may have a shape with a curved portion. 1. A light emitting display device comprising:a substrate;a first pixel electrode disposed on the substrate;a pixel defining film disposed on the first pixel electrode and including a first opening at least partially exposing the first pixel electrode;a first light emitting layer disposed on the first pixel electrode and overlapping with the first opening of the pixel defining film; anda black matrix disposed on the first light emitting layer and including a first opening overlapping with the first light emitting layer,wherein the first opening of the black matrix has a circular shape which is composed of assemblies of dots that are spaced a same distance apart from a virtual center point of the first opening of the black matrix.2. The light emitting display device of claim 1 , wherein the first opening of the black matrix has a smaller area than the first opening of the pixel defining film.3. The light emitting display device of claim 1 , further comprising a color filter disposed to cover the first opening of the black matrix.4. The light emitting display device of claim 3 , further comprising an insulating layer disposed on the pixel defining film claim 3 , wherein the black matrix and the color filter are disposed on the insulating layer.5. ...

ORGANIC LIGHT EMITTING DIODE DISPLAY INCLUDING CAPPING LAYER HAVING OPTICAL THICKNESS FOR IMPROVING OPTICS

An OLED display including first, second, and third color pixels on a substrate, each including a first electrode, an organic emission layer, a second electrode, and a capping layer, in which the first color pixel emits green light, and each of the second and third color pixels emits a color of light other than green, the organic emission layer of the first color pixel includes first and second emission layers that emit light, the organic emission layer of the second or third color pixel includes a third emission layer that emit light, the second and third emission layers include both a host and a dopant, the first emission layer includes the host, but not any dopants therein, and the second emission layer is disposed on the first electrode, and the first emission layer is disposed on the second emission layer. 1. An organic light emitting diode (OLED) display , comprising: a first electrode disposed on the substrate;', 'an organic emission layer disposed on the first electrode;', 'a second electrode disposed on the organic emission layer; and', 'a capping layer disposed on the second electrode,, 'a first color pixel, a second color pixel, and a third color pixel on a substrate, each of the first, second, and third color pixels comprisingwherein:the first color pixel is configured to emit green light, and the second and third color pixels are each configured to emit a color of light other than green;the organic emission layer of the first color pixel comprises a first emission layer and a second emission layer each being configured to emit light;the organic emission layer of the second color pixel or the third color pixel comprises a third emission layer configured to emit light;the second emission layer and the third emission layer comprise both a host and a dopant;the first emission layer comprises the host, and does not comprise any dopants therein; andthe second emission layer of the first color pixel is disposed on the first electrode, and the first emission ...

Organic light emitting device

Provided is an organic light emitting device including an anode; a cathode; and a light emitting layer provided between the anode and the cathode, the device further including an electron control layer provided between the light emitting layer and the cathode and including a compound of Chemical Formula 1: and an electron transfer layer provided between the electron control layer and the cathode and including a compound of Chemical Formula 3:

TOP EMISSION ORGANIC ELECTROLUMINESCENT ELEMENT, ORGANIC ELECTROLUMINESCENT LIGHT EMITTING DEVICE, AND ELECTRONIC DEVICE

A top emission organic EL device includes an anode, hole transporting zone, emitting layer, electron transporting zone, and cathode in this order. The hole transporting zone includes: a first layer interposed between the anode and the emitting layer; and a second layer interposed between the first layer and the emitting layer. The first layer contains a first compound and the second layer contains a second compound. A film thickness of the first layer and the second layer satisfies a formula (1) and (2), respectively. A hole mobility μof the first compound satisfies a formula (3) and a hole mobility μof the second compound satisfies a formula (4), 1. A top emission organic electroluminescence device comprising:an anode;a cathode;an emitting layer interposed between the anode and the cathode;a hole transporting zone interposed between the anode and the emitting layer; andan electron transporting zone interposed between the cathode and the emitting layer, whereinthe hole transporting zone comprises a first layer interposed between the anode and the emitting layer, and a second layer interposed between the first layer and the emitting layer, the first layer comprises a first compound,the second layer comprises a second compound,{'b': '1', 'a film thickness d of the first layer satisfies a formula (1),'}{'b': '2', 'a film thickness d of the second layer satisfies a formula (2),'}{'sup': 'H1', 'a hole mobility μof the first compound satisfies a formula (3), and'}{'sup': 'H2', 'claim-text': [{'br': None, 'i': 'd', '100 nm≤1≤300 nm\u2003\u2003(1)'}, {'br': None, 'i': 'd', '1 nm≤2≤20 nm\u2003\u2003(2)'}, {'br': None, 'sup': −4', '2', 'H1', '−1', '2, 'i': /Vs', '/Vs, '1.0×10[cm]≤μ≤1.0×10[cm]\u2003\u2003(3)'}, {'br': None, 'sup': −10', '2', 'H2', '−6', '2, 'i': /Vs', '/Vs, '1.0×10[cm]≤μ≤1.0×10[cm]\u2003\u2003(4).'}], 'a hole mobility μof the second compound satisfies a formula (4),'}2. The organic electroluminescence device according to claim 1 , whereinthe second layer is ...

QUANTUM DOT LIGHT-EMITTING LAYER, QUANTUM DOT LIGHT-EMITTING DEVICE AND PREPARING METHODS THEREFOR

The present disclosure relates to a quantum dot light-emitting layer, a quantum dot light-emitting device and preparing methods therefor and belongs to the field of liquid crystal display. The preparing method for a quantum dot light-emitting layer includes: placing a first halide AX and a second halide BXin a solvent; stirring and dispersing the reaction system formed by the first halide AX, the second halide BXand the solvent at a set temperature for a set time period; cooling the reaction system at a cooling rate of 0.1° C./24 h−1° C./24 h to generate an ABXsingle crystal thin film containing ABXquantum dots, and using the ABXsingle crystal thin film containing ABXquantum dots as the quantum dot light-emitting layer; wherein A includes one of Cs, CHNH and HC(NH); B includes one of Pb and Sn; and X includes one of Cl, Br and I. 1. A preparing method for a quantum dot light-emitting layer , comprising: placing a first halide AX and a second halide BXin a solvent;{'sub': '2', 'stirring and dispersing a reaction system formed by the first halide AX, the second halide BXand the solvent at a set temperature for a set time period; and'}{'sub': 4', '6', '3', '4', '6', '3, 'cooling the reaction system at a cooling rate of 0.1° C./24 h−1° C./24 h to generate an ABXsingle crystal thin film containing ABXquantum dots, and using the ABXsingle crystal thin film containing ABXquantum dots as the quantum dot light-emitting layer; and'}{'sup': +', '+', '+, 'sub': 3', '3', '2', '2, 'wherein A comprises one of Cs, CHNH and HC(NH);'}{'sup': 2+', '2+, 'B comprises one of Pb and Sn; and'}{'sup': −', '−', '−, 'X comprises one of Cl, Br and I.'}2. The preparing method for the quantum dot light-emitting layer according to claim 1 , wherein a molar ratio of the first halide AX to the second halide BXto the solvent is 3-6:1:3-6.3. The preparing method for the quantum dot light-emitting layer according to claim 1 , wherein the solvent comprises: an organic solvent and an additive with a ...

ORGANIC ELECTROLUMINESCENT DEVICE AND ILLUMINATION DEVICE

An organic electroluminescent device wherein, among the distribution characteristics of light emitted inside a substrate: the brightness of white light has a maximum value within an angle range of 20-60° from an axis perpendicular to the planar direction of the substrate; the spectral radiance of red light at the maximum emission wavelength and the spectral radiance of green light at the maximum emission wavelength have maximum values within the angle range of 30-70° from the axis perpendicular to the planar direction of the substrate; and the maximum values are greater than the value for spectral radiance of red light at the maximum emission wavelength and the value for the spectral radiance of green light at the maximum emission wavelength, in the axial direction perpendicular to the planar direction of the substrate. 1. An organic electroluminescent device having a structure in which a plurality of light emitting units each including a light emitting layer made of at least an organic compound are stacked one on top of another between a first electrode and a second electrode with a charge generating layer sandwiched between each pair of the adjacent light emitting units , the organic electroluminescent device capable of providing white light through a substrate adjacent to the first electrode or the second electrode by causing the plurality of light emitting units to emit light , whereinthe white light produced by light emission of the plurality of light emitting units is formed of red light, green light, and blue light,distribution characteristics of light emitted into the substrate are such that a luminance of the white light takes a maximum in an angle range of 20 to 60 degrees with respect to an axis perpendicular to a plane direction of the substrate, anda spectral radiance at a maximum emission wavelength of the red light and a spectral radiance at a maximum emission wavelength of the green light each take a maximum in an angle range of 30 to 70 degrees with ...

ORGANIC LIGHT EMITTING DIODE DISPLAY

An organic light emitting diode display is provided that may include a first substrate, a plurality of electrodes on the first substrate and spaced apart from each other, a pixel defining layer on the plurality of electrodes, spacers on the pixel defining layer, and a second substrate on the spacers. The pixel defining layer includes a plurality of openings spaced apart from each other and respectively open to the plurality of electrodes. The spacers on the pixel defining layer are at crossing points of a plurality of virtual lines, the spacers crossing spaces between adjacent openings of the plurality of openings. 1. An organic light emitting diode display , comprising:a substrate;a first electrode on the substrate;a second electrode adjacent to the first electrode;a third electrode adjacent to the first electrode and second electrode; a first opening overlapping the first electrode;', 'a second opening overlapping the second electrode; and', 'a third opening overlapping the third electrode, wherein the first and second openings have a first space therebetween so as to be spaced apart from each other in a first direction, and wherein the third opening is larger than the first opening and larger than the second opening;, 'a pixel defining layer on the first electrode, the second electrode, and the third electrode, the pixel defining layer comprising a first part disposed in the first space between the first opening and the second opening;', 'a second part disposed in a second space between the first opening and the third opening; and', 'a third part disposed in a third space between the second opening and the third opening;, 'a spacer on the pixel defining layer, the spacer comprisinga first line crossing the first space; anda second line crossing the second space and the third space,wherein the spacer comprises a center point overlapping a crossing point of the first line and the second line.2. The organic light emitting diode display of claim 1 , wherein the first ...

PHOTOLITHOGRAPHIC PATTERNING OF ORGANIC ELECTRONIC DEVICES

A method of making an OLED device includes providing a first undercut lift-off structure over the device substrate having a first array of bottom electrodes. Next, one or more first organic EL medium layers including at least a first light-emitting layer are deposited over the first undercut lift-off structure and over the first array of bottom electrodes. The first undercut lift-off structure and overlying first organic EL medium layer(s) are removed by treatment with a first lift-off agent comprising a fluorinated solvent to form a first intermediate structure. The process is repeated using a second undercut lift-off structure to deposit one or more second organic EL medium layers over a second array of bottom electrodes. After removal of the second undercut lift-off structure, a common top electrode is provided in electrical contact with the first and second organic EL medium layers. 119.-. (canceled)20. A method of making an OLED device comprising:a) providing a device substrate having a first array of bottom electrodes and a second array of bottom electrodes;b) depositing second organic EL medium layers over the device substrate including over the first and second arrays of bottom electrodes, wherein the second organic EL medium layers include at least a second light-emitting layer;c) providing over the second organic EL medium layers an undercut lift-off structure having a first pattern of openings corresponding to the first array of bottom electrodes;d) using the undercut lift-off structure as an etch mask and removing organic EL medium layers from areas over the first array of bottom electrodes;e) depositing first organic EL medium layers including at least a first light-emitting layer over the first undercut lift-off structure and over the first array of bottom electrodes;f) removing the undercut lift-off structure and overlying first organic EL medium layers by treatment with a lift-off agent comprising a fluorinated solvent to form an intermediate ...

ORGANIC ELECTROLUMINESCENT MATERIAL AND APPLICATION THEREOF IN OPTOELECTRONIC DEVICES

The invention provides an organic electroluminescent material and application thereof in optoelectronic devices. The organic electroluminescent material according to the invention having the structure of Formula (I), the compound of which contains a unit formed by imidazole and indenopyrrole, with its spiro structure molecule that is beneficial to inhibit the stacking between molecules. The compound has better thermal stability and will be applied to organic electroluminescent devices with characteristics such as luminous efficiency and color purity, has the potential to be applied to organic electroluminescent devices. The invention further provides an optoelectronic device including a cathode, an anode, and an organic layer. The organic layer is one or more of a hole injection layer, a hole transport layer, a light-emitting layer, a hole-blocking layer, an electron injection layer, and an electron transport layer. At least one layer of the organic layer contains the compound having Formula (I). 8. The preparation method according to claim 7 , wherein said Y is chlorine or bromine.10. The preparation method according to claim 9 , wherein said o-dihalopyrazine is o-dibromopyrazine.12. Application of said organic electroluminescent material according to any one of - in organic electroluminescent devices claim 9 , mechanoluminescent devices claim 9 , organic field effect transistors claim 9 , organic solar cells and chemical sensors.13. An organic electroluminescent device comprising a cathode claim 9 , an anode claim 9 , and an organic layer claim 9 , wherein said organic layer is one or more of a hole injection layer claim 9 , a hole transport layer claim 9 , a light-emitting layer claim 9 , a hole-blocking layer claim 9 , an electron injection layer claim 9 , and an electron transport layer claim 9 , said organic layer contains said organic electroluminescent material according to any one of -.14. The organic electroluminescent device according to claim 9 , wherein ...

ORGANIC COMPOUND AND ORGANIC ELECTROLUMINESCENT ELEMENT COMPRISING SAME

The present invention relates to an adamantane derivative compound and an organic light-emitting diode (OLED) including the same, and more particularly, to an adamantane derivative compound capable of being used in an OLED and an OLED having excellent properties such as low voltage and high efficiency using the compound. 3. The compound of claim 1 , wherein X is C(R)(R).4. The compound of claim 1 , wherein Arand Arare a substituted or unsubstituted aryl group having 6 to 30 carbon atoms or a substituted or unsubstituted heteroaryl group having 3 to 30 carbon atoms.5. The compound of claim 1 , wherein Rand Rare a substituted or unsubstituted alkyl group having 1 to 30 carbon atoms claim 1 , a substituted or unsubstituted cycloalkyl group having 1 to 20 carbon atoms or a substituted or unsubstituted aryl group having 6 to 30 carbon atoms.6. The compound of claim 1 , wherein L is selected from the group consisting of a single bond claim 1 , a substituted or unsubstituted arylene group having 6 to 30 carbon atoms and a substituted or unsubstituted heteroarylene group having 6 to 30 nuclear carbon atoms.8. An organic light-emitting diode (OLED) claim 1 , comprising:a first electrode; and a second electrode placed opposite to the first electrode; and one or more organic material layers placed between the first electrode and the second electrode,{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'wherein at least one of the one or more organic material layers includes the compound of .'}9. The OLED of claim 8 , wherein the organic material layer is selected from the group consisting of a hole injection layer claim 8 , a hole transfer layer claim 8 , a light emitting layer claim 8 , a hole blocking layer claim 8 , an electron transport layer and an electron injection layer.10. The OLED of claim 8 , wherein the organic material layer is a light emitting layer.11. The OLED of claim 8 , wherein the organic material layer is a hole injection layer claim 8 , a hole transfer layer ...

COMPOUND, LIGHT-EMITTING MATERIAL, AND ORGANIC LIGHT-EMITTING DEVICE

A compound having a structure represented by the following general formula emits delayed fluorescent light, and is useful as a light-emitting material. One or more of R, R, R, R, and Rrepresent a 9-carbazolyl group having a substituent at at least one of 1-position and 8-position, or a 10-phenoxazyl group or 10-phenothiazyl group having a substituent at at least one of 1-position and 9-position. The balance thereof represents a hydrogen atom or a substituent. 2. The compound according to claim 1 , wherein the substituent represents a substituted or unsubstituted alkyl group claim 1 , a substituted or unsubstituted alkoxy group claim 1 , a substituted or unsubstituted thioalkoxy group claim 1 , a substituted or unsubstituted aryl group claim 1 , a substituted or unsubstituted heteroaryl group claim 1 , a substituted or unsubstituted aryloxy group claim 1 , a substituted or unsubstituted heteroaryloxy group claim 1 , a substituted or unsubstituted thioaryloxy group claim 1 , a substituted or unsubstituted thioheteroaryloxy group claim 1 , a secondary amino group claim 1 , a tertiary amino group claim 1 , or a substituted or unsubstituted silyl group.3. The compound according to claim 1 , wherein one to three of R claim 1 , R claim 1 , R claim 1 , R claim 1 , and Reach represent a 9-carbazolyl group having a substituent at at least one of 1-position and 8-position claim 1 , a 10-phenoxazyl group having a substituent at at least one of 1-position and 9-position or a 10-phenothiazyl group having a substituent at at least one of 1-position and 9-position claim 1 , at least one of the balance thereof each independently represents a 9-carbazolyl group unsubstituted at the 1-position and the 8-position claim 1 , a 10-phenoxazyl group unsubstituted at the 1-position and the 9-position or a 10-phenothiazyl group unsubstituted at the 1-position and the 9-position claim 1 , and one or more of carbon atoms constituting ring skeletons of the 9-carbazolyl group claim 1 , the 10- ...

LIGHT-EMITTING COMPOUND

A phosphorescent compound of formula (I): 2. A compound according to wherein M is selected from palladium claim 1 , rhenium claim 1 , osmium claim 1 , iridium and platinum.3. A compound according to wherein Ris a substituent selected from the group consisting of:{'sub': 1-20', '1-20, 'Calkyl wherein one or more non-adjacent, non-terminal C atoms of the alkyl group may be replaced with O, S, C═O and —COO—, and wherein one or more H atoms of the Calkyl may be replaced with F: and'}{'sup': 2', '2', '2, 'sub': 'w', '—(Ar)wherein Arin each occurrence is independently an aromatic or heteroaromatic group, w is at least 1, and each Aris unsubstituted or substituted with one or more substituents.'}4. A compound according to wherein Aris a Caromatic group or a 5-20 membered heteroaromatic group which is unsubstituted or substituted with one or more substituents.5. A compound according to wherein Aris selected from the group consisting of phenyl claim 4 , fluorenyl and dibenzofuran.6. A compound according to wherein A and Arare linked by a divalent linking group.8. A compound according to wherein at least one of Rand Ris selected from the group consisting of Calkyl; unsubstituted Caryl; and Caryl substituted with one or more substituents.11. A compound according to wherein Ris selected from the group consisting of Calkyl; unsubstituted Caryl; and Caryl substituted with one or more substituents.13. A compound according to wherein y is 0.14. A compound according to wherein x is 3.15. A compound according to wherein the compound has a photoluminescent spectrum having a peak wavelength in the range of 400-490 nm.16. A composition comprising a host material and a compound according to .17. A formulation comprising a compound or composition according to dissolved or dispersed in one or more solvents.18. An organic light-emitting device comprising an anode claim 1 , a cathode and a light-emitting layer between the anode and cathode wherein the light-emitting layer comprises a ...

ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES

A compound having a structure of Formula I, 2. The compound of claim 1 , wherein at least one R comprises at least one donor group selected from the group consisting of carbazole claim 1 , diphenylamino claim 1 , phenoxazine claim 1 , phenothiazine claim 1 , dibenzoazasiline claim 1 , pyrrolidine claim 1 , piperidine claim 1 , phenoxide claim 1 , and methoxide.3. The compound of claim 1 , wherein at least one R comprises at least one acceptor group selected from the group consisting of cyano claim 1 , pyrazole claim 1 , imidazole claim 1 , triazole claim 1 , pyridine claim 1 , pyrimidine claim 1 , triazine claim 1 , aza-carbazole claim 1 , aza-dibenzofuran claim 1 , and aza-dibenzothiophene group.4. The compound of claim 1 , wherein each one of Zthrough Zis CR.5. The compound of claim 1 , wherein at least one of Zthrough Zis N.7. The compound of claim 1 , wherein at least two Rs comprise donor substituents claim 1 , and one R comprises an acceptor substituent; or at least two Rs comprise acceptor substituents claim 1 , and one R comprises a donor substituent.10. The OLED of claim 9 , wherein the organic layer is an emissive layer and the compound is a host.11. The OLED of claim 9 , wherein the organic layer is a blocking layer and the compound is a blocking material in the organic layer claim 9 , or organic layer is a transporting layer and the compound is a transporting material in the organic layer.12. The OLED of claim 9 , wherein the organic layer is an emissive layer and the compound is an emitter.13. The OLED of claim 12 , wherein the OLED emits a luminescent radiation at room temperature when a voltage is applied across the first organic light emitting device; wherein the luminescent radiation comprises a delayed fluorescent process.14. The OLED of claim 13 , wherein the organic layer further comprises a sensitizer; andwherein the sensitizer is a phosphorescent emitting material.15. The OLED of claim 9 , wherein the organic layer further comprises a ...