Organic electroluminescent device

Provided is a structure of an organic EL element capable of reducing the product cost by drastically simplifying the fabrication process as compared with a conventional multi-photon organic EL element. An insulating organic layer having a low dielectric constant is interposed to smooth the transfer of electron charges between a strong electron-accepting material and an electron transport layer included in a charge generation layer of the conventional multi-photon organic EL element.

Light-emitting structure, optical member having the light-emitting structure, light-emitting device, and liquid crystal display apparatus

A light-emitting structure in accordance with the present disclosure includes inorganic nano-particles; ligands coordinated to surfaces of the inorganic nano-particles, wherein each of the ligands contains an acrylic polymer. Further, the present disclosure provides an optical member, a light-emitting device, and a liquid crystal device including the light-emitting structure.

Condensed cyclic compound and organic light-emitting device including the same

A condensed cyclic compound and an organic light-emitting device including the condensed cyclic compound are provided.

Light-emitting element

To provide a light-emitting element which uses a fluorescent material as a light-emitting substance and has higher luminous efficiency. To provide a light-emitting element which includes a mixture of a thermally activated delayed fluorescent substance and a fluorescent material. By making the emission spectrum of the thermally activated delayed fluorescent substance overlap with an absorption band on the longest wavelength side in absorption by the fluorescent material in an S 1 level of the fluorescent material, energy at an S 1 level of the thermally activated delayed fluorescent substance can be transferred to the S 1 of the fluorescent material. Alternatively, it is also possible that the S 1 of the thermally activated delayed fluorescent substance is generated from part of the energy of a T 1 level of the thermally activated delayed fluorescent substance, and is transferred to the S 1 of the fluorescent material.

Light emitting device containing iridium complex

A triplet light emitting device which has high efficiency and improved stability and which can be fabricated by a simpler process is provided by simplifying the device structure and avoiding use of an unstable material. In a multilayer device structure using no hole blocking layer conventionally used in a triplet light emitting device, that is, a device structure in which on a substrate, there are formed an anode, a hole transporting layer constituted by a hole transporting material, an electron transporting and light emitting layer constituted by an electron transporting material and a dopant capable of triplet light emission, and a cathode, which are laminated in the stated order, the combination of the hole transporting material and the electron transporting material and the combination of the electron transporting material and the dopant material are optimized.

Heterocyclic compound and organic light-emitting device including the same

A heterocyclic compound represented by Formula 1 below and an organic light-emitting device including the heterocyclic compound are provided:

Organic light-emitting device

An organic light-emitting device including a first electrode; a second electrode; emission units stacked between the first electrode and the second electrode and including at least one emission layer; and charge generation layers between two adjacent emission units, the charge generation layers each including an n-type charge generation layer and p-type charge generation layer, a maximum emission wavelength of light emitted by at least one of the emission units is different from that of another emission unit, one n-type charge generation layer includes a first compound and a metal-containing material, the first compound being represented by Formula 1, the p-type charge generation layers include an amino group-free compound, at least one of the emission units further includes a hole transporting (HT)-emission auxiliary layer on a first electrode side thereof, and the HT-emission auxiliary layer includes at least one second compound, the second compound being represented by Formula 2:

Condensed cyclic compound and organic light-emitting device including the same

A condensed cyclic compound and an organic light-emitting device including the condensed cyclic compound are provided.

有機素子、有機ｅｌ素子、有機太陽電池、及び、有機ｆｅｔ構造、並びに、有機素子の製造方法

【課題】従来型有機素子の持つ欠点を克服した有機素子の提供。 【解決手段】 仕事関数が４．０ｅＶ以下の低仕事関数金属のイオンのうち少なくとも１種を含む有機金属錯体化合物と、有機金属錯体化合物中に含まれる金属イオンを真空中で金属状態に還元しうる熱還元性金属と、を積層もしくは共蒸着による混合により接触させて引き起こされたその場熱還元反応によって還元された低仕事関数金属と電子受容性有機物とが酸化還元反応によって電荷移動錯体を形成して、電子受容性有機物がラジカルアニオン状態にある電子輸送部、及び、イオン化ポテンシャルが５．７ｅＶより小さく電子供与性を有する有機化合物と、有機化合物と酸化還元反応によって電荷移動錯体を形成しうる無機物質又は有機物質と、が積層または混合されて接触しており、電子供与性を有する有機物がラジカルカチオン状態にあるホール輸送部、が積層されてなるホール電流−電子電流変換層を含む。 【選択図】 図１

Metallkomplexe

Die vorliegende Erfindung betrifft Metallkomplexe gemäß der Formel (1) und deren Verwendung in organischen Elektrolumineszenzvorrichtungen sowie organische Elektrolumineszenzvorrichtungen, welche diese Metallkomplexe enthalten.

有機素子、有機ｅｌ素子、有機太陽電池、及び、有機ｆｅｔ構造、並びに、有機素子の製造方法

Organic electroluminescent device

The device provided herein is an organic electroluminescent device and includes a substrate; a first electrode on the substrate and with high reflectivity; a translucent or transparent second electrode over the first electrode; and a first, a second and a third organic layer included between the first and the second electrode; where the second organic layer has a thickness >80 nm and is made of a second organic material; the third organic layer is a light-emitting layer including at least one light-emitting material and at least one host material; the first organic layer has a conductivity >1×10−4 S/m and <1×10−2 S/m; an energy level difference between HOMO energy level of the second organic material and HOMO energy level of the at least one host material is <0.27 eV; and the first electrode and the second organic layer are in direct contact with the first organic layer.

金属錯体化合物及びそれを用いた有機エレクトロルミネッセンス素子

下記一般式（１）で表される金属錯体化合物、並びに、一対の電極間に少なくとも発光層を有する一層又は複数層からなる有機薄膜層が挟持されている有機エレクトロルミネッセンス素子において、該有機薄膜層の少なくとも１層が、前記金属錯体化合物を含有することによって、発光効率が高く、寿命が長い有機ＥＬ素子及びそれを実現する新規な金属錯体化合物を提供する。（Ｌ１）ｍＭ（Ｌ２）ｎ（１）［式中、ＭはＩｒ又はＰｔであり、Ｌ１及びＬ２は、互いに異なる２座配位子、部分構造（Ｌ１）ｍＭは下記一般式（２）で表され、部分構造Ｍ（Ｌ２）ｎは下記一般式（３）で表される。ｍは０−２の整数、ｎは１−３の整数を示し、ｍ＋ｎは金属Ｍの原子価を示す。｛式中、Ａ１環は芳香族複素環基、Ｂ１環はアリール基、Ａ１環とＢ１環はＺを介して共有結合により結合している。Ｚは、単結合等を示す。｝｛式中、Ｌ３及びＬ４は、共有結合（実線）及び配位結合（矢印）を有する架橋基で、Ｌ３及びＬ４の少なくとも一方は、カルベン炭素による配位結合を有し、芳香族複素環基である。Ｒａ及びＲｂは、それぞれ独立に、水素原子等で、Ｌ３、Ｌ４、Ｒａ及びＲｂは、互いに結合し環状構造を形成していてもよい。｝］

퀴논다이이민 유도체를 유기반도체에 도핑하기 위한 방법

본 발명은 유기반도체 기지재료의 전기적 특성을 변화시키기 위해 유기 도펀트로서 유기 메소머 화합물을 사용하여 상기 기지재료에 도핑하기 위한 방법에 관한 것이다. 도펀트를 제공한 유기 반도체를 생산공정시에 쉽게 취급할 수 있도록 하고, 도핑된 유기반도체를 갖는 전자소자를 재생가능하게 제조할 수 있도록 하기 위해서, 메소머 화합물로서 퀴논 또는 퀴논 유도체 또는 1,2,3-다이옥사보린 또는 1,3,2-다이옥사보린 유도체를 사용하며, 상기 다이옥사보린 유도체는 동일한 증발조건 하에서 테트라플루오로테트라시아노퀴논다이메테인(F4TCNQ) 보다 더 낮은 휘발성을 갖는다.

用醌二亚胺掺杂有机半导体的方法

本发明涉及有机中介型化合物作为有机掺杂剂来掺杂有机半导电的基体材料以改变其导电性能的应用。为了在生产过程中容易地用掺杂剂掺杂有机半导体并且可再生产具有掺杂的有机半导体的电子元件，提出使用醌或醌衍生物或者是1，3，2-二氧硼杂环己二烯或1，3，2-二氧硼杂环己二烯衍生物作为中介型化合物，并且该中介型化合物在相同的蒸发条件下具有比四氟四氰基醌二甲烷(F4TCNQ)低的挥发性。

电致发光喹啉酚盐化合物

喹啉酚锂为一种在光谱蓝色区域发光的电致发光材料。

Electroluminescent quinolates

喹啉酚锂为一种在光谱蓝色区域发光的电致发光材料。

Electroluminescent device

Electroluminescent compounds comprising fluorene group and organic electroluminescent device using the same

본 발명은 하기의 화학식 1로 표시되는 전기 발광 화합물 및 이를 발광층에 함유하는 전기 발광 소자에 관한 것이다. [화학식 1] 본 발명에 따른 전기 발광 화합물은 발광효율이 좋고 재료의 수명특성이 뛰어나 구동수명이 매우 양호한 OLED 소자를 제조할 수 있는 장점이 있다. 전기 발광 화합물, 전기발광소자, OLED

Organic electroluminescent element

An organic electroluminescent element comprising a light emission layer comprised of single or plural thin layers of an organic compound put between an anode and a cathode facing to each other is disclosed. At least one of the thin layer of the organic compound contains an organic metal complex having both of an ionic coordinate bond formed between a nitrogen anion and a metal cation and a coordinate bond formed by a nitrogen atom or a chalcogen and a metal.

Electroluminescent material and electroluminescent element

An electroluminescent element is disclosed, comprising an electroluminescent material and a fluorescent substance emitting light having an emission maximum at the wavelength different from that of light emitted from the electroluminescent material upon absorption of the light emitted from the electroluminescent material.

Mixed ligand 8-quinolinolato aluminum chelate luminophors

A blue-emitting luminescent composition is disclosed comprised of an aluminum chelate containing a phenolato ligand and two R s -8-quinolinolato ligands, where R s substituents are chosen to block the attachment of more than two substituted 8-quinolinolato ligands to the aluminum atom. The presence of the phenolato ligand shifts emission to the blue region of the spectrum. Emission can be shifted to even shorter blue wavelengths by the incorporation of a pentacarbocyclic aromatic fluorescent dye.

Method for forming films or layers

An improved method for forming films of organic-metallic complexes in which an organic complex and a labile metal salt are vaporised together or sequentially and the vapour condensed on to a substrate to form a film or layer of the organic-metallic complex on the substrate. The method produces electroluminescent films with improved performance.

Electroluminescent devices

Electroluminescent device

An electroluminescent device which has an electroluminescent layer formed of a binuclear, trinuclear or polynuclear rare earth organic complex in which the metals are linked through a bridging ligand.

Electroluminescent material containing organic luminescent substance

Изобретение относится к электролюминесцентным материалам, содержащим органическое люминесцентное вещество. Описывается новый электролюминесцентный материал, состоящий из электронного инжектирующего слоя, активного люминесцентного слоя на основе хелатного комплекса металла, дырочно-транспортного слоя и дырочного инжектирующего слоя. В качестве люминесцентного вещества содержит металлокомплексы на основе сульфанильных производных 8-амино-хинолина, в частности цинковые комплексы 8-(метилсульфаниламино)-хинолина и 8-(3,5-дифторфенилсульфаниламино)-хинолина. В качестве дырочно-транспортного слоя материал предпочтительно содержит смесь олигомеров трифениламина. Технический результат - создание электролюминесцентного материала с повышенной влагоустойчивостью, повышенной устойчивостью к кристаллизации и повышенной термостабильностью. 3 з.п. ф-лы. ÐÎÑÑÈÉÑÊÀß ÔÅÄÅÐÀÖÈß RU (19) (11) 2 310 676 (13) C1 (51) ÌÏÊ C09K 11/06 (2006.01) C07F 3/06 (2006.01) C07D 215/24 (2006.01) ÔÅÄÅÐÀËÜÍÀß ÑËÓÆÁÀ ÏÎ ÈÍÒÅËËÅÊÒÓÀËÜÍÎÉ ÑÎÁÑÒÂÅÍÍÎÑÒÈ, ÏÀÒÅÍÒÀÌ È ÒÎÂÀÐÍÛÌ ÇÍÀÊÀÌ (12) ÎÏÈÑÀÍÈÅ ÈÇÎÁÐÅÒÅÍÈß Ê ÏÀÒÅÍÒÓ (21), (22) Çà âêà: 2006124438/04, 10.07.2006 (72) Àâòîð(û): ßêóùåíêî Èãîðü Êîíñòàíòèíîâè÷ (RU), Êàïëóíîâ Ìèõàèë Ãåðøîâè÷ (RU), Êðàñíèêîâà Ñâåòëàíà Ñåðãååâíà (RU) (24) Äàòà íà÷àëà îòñ÷åòà ñðîêà äåéñòâè ïàòåíòà: 10.07.2006 (45) Îïóáëèêîâàíî: 20.11.2007 Áþë. ¹ 32 (54) ÝËÅÊÒÐÎËÞÌÈÍÅÑÖÅÍÒÍÛÉ ÌÀÒÅÐÈÀË, ÑÎÄÅÐÆÀÙÈÉ ÎÐÃÀÍÈ×ÅÑÊÎÅ 2 3 1 0 6 7 6 ìåòàëëîêîìïëåêñû íà îñíîâå ñóëüôàíèëüíûõ ïðîèçâîäíûõ 8-àìèíî-õèíîëèíà, â ÷àñòíîñòè öèíêîâûå êîìïëåêñû 8-(ìåòèëñóëüôàíèëàìèíî)õèíîëèíà è 8-(3,5-äèôòîðôåíèëñóëüôàíèëàìèíî)õèíîëèíà.  êà÷åñòâå äûðî÷íî-òðàíñïîðòíîãî ñëî ìàòåðèàë ïðåäïî÷òèòåëüíî ñîäåðæèò ñìåñü îëèãîìåðîâ òðèôåíèëàìèíà. Òåõíè÷åñêèé ðåçóëüòàò - ñîçäàíèå ýëåêòðîëþìèíåñöåíòíîãî ìàòåðèàëà ñ ïîâûøåííîé âëàãîóñòîé÷èâîñòüþ, ïîâûøåííîé óñòîé÷èâîñòüþ ê êðèñòàëëèçàöèè è ïîâûøåííîé òåðìîñòàáèëüíîñòüþ. 3 ç.ï. ô-ëû. R U (57) Ðåôåðàò: Èçîáðåòåíèå îòíîñèòñ ê ýëåêòðîëþìèíåñöåíòíûì ìàòåðèàëàì, ñîäåðæàùèì îðãàíè÷åñêîå ...

AN ELECTROLUMINISCENT MATERIAL CONTAINING A CONJUGATED POLYMER OR COMPLEX OF GROUND METALS INSIDE ZEOLITES AND POROUS MATERIALS, AND ITS PREPARATION PROCEDURE.

Un material electroluminiscente conteniendo un polímero conjugado o complejos de metales térreos en el interior de zeolitas y materiales porosos y su procedimiento de preparación. Un material electroluminiscente que comprende al menos un compuesto electroluminiscente soportado en una matriz, en el que la matriz está seleccionada entre materiales microporosos y materiales mesoporosos, seleccionados entre zeolitas, óxidos porosos, tamices moleculares, silicoaluminofosfatos y aluminosilicatos, el compuesto electroluminiscente está seleccionado entre polímeros derivados de polifenilenvinileno, complejos de iones de metales térreos con 8-hidroxiquinolina, y combinaciones de los mismos, y donde el compuesto electroluminiscente está alojado en espacios interiores de la matriz. Estos materiales electroluminiscentes poseen excelentes prestaciones en término de estabilidad química al ambiente (oxígeno, humedad, CO2 etc.), durabilidad (número de ciclos electroluminiscentes en condiciones aeróbicas), control del estado de agregación (aislados o estando asociado por parejas o más). An electroluminescent material containing a conjugated polymer or complexes of earth metals inside zeolites and porous materials and their preparation process. An electroluminescent material comprising at least one electroluminescent compound supported on a matrix, in which the matrix is selected from microporous materials and mesoporous materials, selected from zeolites, porous oxides, molecular sieves, silicoaluminophosphates and aluminosilicates, the electroluminescent compound is selected from polymers polyphenylenevinylene derivatives, complexes of earth metal ions with 8-hydroxyquinoline, and combinations thereof, and where the electroluminescent compound is housed in interior spaces of the matrix. These electroluminescent materials have excellent performance in terms of chemical stability to the environment (oxygen, humidity, CO2 etc.), durability (number of electroluminescent cycles in aerobic ...

Metal complexes

本发明涉及含有六齿配体的单一金属络合物，在所述六齿配体中三个亚配体与金属配位。所述亚配体可相同或不同并且经由式(1)的桥连基彼此连接，本发明还涉及含有所述金属络合物的电子电致发光器件，特别是含有所述金属络合物作为发光体的电子电致发光器件。

Organic element for low voltage electroluminescent devices

An OLED device comprises a cathode, a light emitting layer and an anode, in that order, and, having located between the cathode and the light emitting layer, a further layer containing; (a) 10 vol% or more of a carbocyclic fused ring aromatic compound, and (b) a cyclometallated complex represented by Formula (4') [insert structure here] (4') wherein: Z and the dashed arc represent two or three atoms and the bonds necessary to complete a 5- or 6-membered ring with M; M represents a Group IA, IIA, IIIA or IIB element of the Periodic Table; and the remaining variables are as described in the specification; provided that the complex does not contain the 8-hydroxyquinolate ligand. Such devices exhibit reduced drive voltage while maintaining good luminance.

Carbene metal complexes as OLED materials

An organic light emitting device having an anode, a cathode and an organic layer disposed between the anode and the cathode is provided. The organic layer may comprise a compound having at least one zwitterionic carbon donor ligand. The organic layer may comprise a carbene compound that includes a triazole ring and has the structure:

New materials for organic electroluminescent devices

Die vorliegende Erfindung betrifft Verbindungen gemäß Formel (1) und deren Verwendung in organischen Elektrolumineszenzvorrichtungen, insbesondere als Matrixmaterial in phosphoreszierenden Vorrichtungen.

Organic light emitting devices containing a metal complex of 5-hydroxy-quinoxaline as a host material

The present invention is directed to organic light emitting devices comprised of an electroluminescent layer containing a host material comprised of a metal complex of (5-hydroxy)quinoxaline: ##STR1## wherein M is Al, Ga, In, Zn or Mg, with n=3, if M is Al, Ga or In and n=2, if M is Zn or Mg, and to a method for fabricating such devices. Further disclosed for use in the electroluminescent layer of organic light emitting devices are dopant materials comprised of a bisphenyl-squarilium compound, an indigo dye compound or a fullerene compound.

Light emitting device with stack of OLEDS and phosphor downconverter

Monochromatic and multicolor light emitting devices which make use of phosphor layers to downconvert light emitted from organic light emitting materials into different, more desired colors. The light emitting devices of the present invention are used in a variety of applications to provide displays with high brightnesses and efficiencies.

Organic electroluminescent device material and organic electroluminescent device using the same

Organic electroluminescence element

Organic electroluminescence element

An organic electroluminescence element has an anode, a hole transport layer, a light emitting layer made of organic compounds, an electron transport layer and a cathode. The light emitting layer comprises an organic host material having an electron transport capability and an organic guest material of phosphorescent material. An ionization potential energy of the organic host material is higher than that of the hole transport layer. The difference in the ionization potential energy between the organic host material of the light emitting layer and the hole transport layer is in a range from 0.4 eV to 0.8 eV.

Conjugated phosphorescent and luminescent polymers containing covalently-bonded metal complexes, useful as emitters in light-emitting systems such as diodes and displays

Phosphorescent polymers (PP) which are conjugated and neutral and contain at least one covalently-bonded phosphorescent metal complex (PMC). Independent claims are also included for (1) luminescent polymers (LP) containing a conjugated main chain and covalently-bonded metal complex(es), in which the luminescence is a combination of the fluorescence of the main chain and the phosphorescence of the complex(es); (2) a method for the production of (PP) or (LP) by complexing uncomplexed ligand polymers with iridium(III), platinum(II), osmium(II) or rhodium(III) precursor complexes; (3) electroluminescent arrays containing (PP) or (LP); and (4) a method for the production of electroluminescent elements in such arrays by the application of (PP) or (LP) from solution.

Multinuclear metal complexes as Phosphorescence emitter in electroluminescent layered structure

Polynuclear metal complexes (I) are new. Polynuclear metal complexes of formula (I) are new. (LmMe-HL)n-XL (I) Me = transition metal; L = bidentate chelate-forming ligand; HL = bidentate chelate-forming ligand, which complexes the transition metal Me and is additionally bonded to a linker X-L; XL = n-functional linker and is covalently bonded to n auxiliary ligands H-L; n = 2-6; and m = 1-3. Independent claims are also included for: (1) a process for the preparation of polynuclear metal complexes; (2) electroluminescent layer arrangement containing layer(s) consisting of hole-injecting, hole-conducting, light-emitting, hole-blocking, electron-transporting or electron-injecting layers, the light emitting layer containing the polynuclear metal complexes as phosphorescence emitters; and (3) process for the production of electroluminescent layer arrangement by applying, from solution, the light-emitting layer containing polynuclear metal complexes.

Organic light emitting devices having carrier transporting layers comprising metal complexes

Light emitting devices having charge transporting layers comprising one or more metal complexes are provided. More particularly, devices include hole transporting layers comprising at least one metal complex are disclosed. The present devices can further comprise an electron blocking layer for improved efficiency.

Light emitting device

A triplet light emitting device which has high efficiency and improved stability and which can be fabricated by a simpler process is provided by simplifying the device structure and avoiding use of an unstable material. In a multilayer device structure using no hole blocking layer conventionally used in a triplet light emitting device, that is, a device structure in which on a substrate, there are formed an anode, a hole transporting layer constituted by a hole transporting material, an electron transporting and light emitting layer constituted by an electron transporting material and a dopant capable of triplet light emission, and a cathode, which are laminated in the stated order, the combination of the hole transporting material and the electron transporting material and the combination of the electron transporting material and the dopant material are optimized.

metal complexes

Die vorliegende Erfindung betrifft Metallkomplexe gemäß der Formel (1) und deren Verwendung in organischen Elektrolumineszenzvorrichtungen sowie organische Elektrolumineszenzvorrichtungen, welche diese Metallkomplexe enthalten. The present invention relates to metal complexes according to the formula (1) and their use in organic electroluminescent devices as well as organic electroluminescent devices containing these metal complexes.

Materials for organic electroluminescent devices

The present invention relates to compounds according to formula (1) and/or according to formulae (4) to (10) and their use in organic electroluminescent devices, in particular as a matrix material in phosphorescent devices.

Organic light emitting devices having carrier transporting layers comprising metal complexes

Light emitting devices having charge transporting layers comprising one or more metal complexes are provided. More particularly, devices include hole transporting layers comprising at least one metal complex are disclosed. The present devices can further comprise an electron blocking layer for improved efficiency.

Organic electroluminescence element

An organic electroluminescence element has an anode, a hole transport layer, a light emitting layer made of organic compounds, an electron transport layer and a cathode. The light emitting layer comprises an organic host material having an electron transport capability and an organic guest material of phosphorescent material. An ionization potential energy of the organic host material is higher than that of the hole transport layer. The difference in the ionization potential energy between the organic host material of the light emitting layer and the hole transport layer is in a range from 0.4 eV to 0.8 eV.

Organic electroluminescence element

An organic electroluminescence element has an anode, a hole transport layer, a light emitting layer made of organic compounds, an electron transport layer and a cathode. The light emitting layer comprises an organic host material having an electron transport capability and an organic guest material of phosphorescent material. An ionization potential energy of the organic host material is higher than that of the hole transport layer. The difference in the ionization potential energy between the organic host material of the light emitting layer and the hole transport layer is in a range from 0.4 eV to 0.8 eV.

Light emitting device

A triplet light emitting device which has high efficiency and improved stability and which can be fabricated by a simpler process is provided by simplifying the device structure and avoiding use of an unstable material. In a multilayer device structure using no hole blocking layer conventionally used in a triplet light emitting device, that is, a device structure in which on a substrate, there are formed an anode, a hole transporting layer constituted by a hole transporting material, an electron transporting and light emitting layer constituted by an electron transporting material and a dopant capable of triplet light emission, and a cathode, which are laminated in the stated order, the combination of the hole transporting material and the electron transporting material and the combination of the electron transporting material and the dopant material are optimized.

Light emitting device

A triplet light emitting device which has high efficiency and improved stability and which can be fabricated by a simpler process is provided by simplifying the device structure and avoiding use of an unstable material. In a multilayer device structure using no hole blocking layer conventionally used in a triplet light emitting device, that is, a device structure in which on a substrate, there are formed an anode, a hole transporting layer constituted by a hole transporting material, an electron transporting and light emitting layer constituted by an electron transporting material and a dopant capable of triplet light emission, and a cathode, which are laminated in the stated order, the combination of the hole transporting material and the electron transporting material and the combination of the electron transporting material and the dopant material are optimized.

Light emitting device

A triplet light emitting device which has high efficiency and improved stability and which can be fabricated by a simpler process is provided by simplifying the device structure and avoiding use of an unstable material. In a multilayer device structure using no hole blocking layer conventionally used in a triplet light emitting device, that is, a device structure in which on a substrate, there are formed an anode, a hole transporting layer constituted by a hole transporting material, an electron transporting and light emitting layer constituted by an electron transporting material and a dopant capable of triplet light emission, and a cathode, which are laminated in the stated order, the combination of the hole transporting material and the electron transporting material and the combination of the electron transporting material and the dopant material are optimized.

Light emitting device containing iridium complex

A triplet light emitting device which has high efficiency and improved stability and which can be fabricated by a simpler process is provided by simplifying the device structure and avoiding use of an unstable material. In a multilayer device structure using no hole blocking layer conventionally used in a triplet light emitting device, that is, a device structure in which on a substrate, there are formed an anode, a hole transporting layer constituted by a hole transporting material, an electron transporting and light emitting layer constituted by an electron transporting material and a dopant capable of triplet light emission, and a cathode, which are laminated in the stated order, the combination of the hole transporting material and the electron transporting material and the combination of the electron transporting material and the dopant material are optimized.

Light emitting device containing iridium complex

A triplet light emitting device which has high efficiency and improved stability and which can be fabricated by a simpler process is provided by simplifying the device structure and avoiding use of an unstable material. In a multilayer device structure using no hole blocking layer conventionally used in a triplet light emitting device, that is, a device structure in which on a substrate, there are formed an anode, a hole transporting layer constituted by a hole transporting material, an electron transporting and light emitting layer constituted by an electron transporting material and a dopant capable of triplet light emission, and a cathode, which are laminated in the stated order, the combination of the hole transporting material and the electron transporting material and the combination of the electron transporting material and the dopant material are optimized.

Metal complexes

Verbindungen gemäß Formel (1),enthaltend ein Metall M, koordiniert an einen Liganden L gemäß Formel (2),wobei für die verwendeten Symbole und Indizes gilt:M ist ausgewählt aus der Gruppe bestehend aus Ir, Pt, AI, Ga, In oder La;V ist eine verbrückende Einheit ausgewählt aus der Gruppe bestehend aus CR, RC(CR2)3, RC(CR2CR2)3, RC(CR2O)3, RC(OCR2)3, P, P(=O), PO(O)3, P(OCR2)3und PO(OCR2)3, die die Teilliganden L1, L2 und L3 kovalent miteinander verbindet;a ist 0, wobei die verbrückende Einheit V entfällt;L1 ist ein Teilligand der Formel (3),L2, L3 sind gleich oder verschieden bei jedem Auftreten jeweils ein Teilligand der Formel (3) oder der Formel (4),Cy1, Cy2 ist gleich oder verschieden bei jedem Auftreten eine Aryl- oder Heteroarylgruppe mit 5 bis 30 aromatischen Ringatomen, welche durch einen oder mehrere Reste R substituiert sein kann, oder ein cyclisches gesättigtes oder bevorzugt ungesättigtes Carben; dabei bindet eine der beiden Gruppen Cy1 oder Cy2 über einen formal negativ geladenen Kohlenstoff oder über ein formal negativ geladenes exocyclisches Donoratom an das Metall, und die andere der beiden Gruppen Cy1 und Cy2 bindet über ein neutrales Donoratom, welches Teil der Gruppe Cy1 bzw. Cy2 ist und welches ausgewählt ist aus Stickstoff oder Kohlenstoff in Form eines Carbens;Z ist gleich oder verschieden bei jedem Auftreten eine Gruppe, welche die Cyclen Cy1 und Cy2 verbrückt und welche ausgewählt ist aus der Gruppe bestehend aus O, S, NR, CR2, C(=O) und BR;R ist bei jedem Auftreten gleich oder verschieden H, F, Cl, Br, I, N(R1)2, CN, Si(R1)3, eine geradkettige Alkyl- oder Alkoxygruppe mit 1 bis 6 C-Atomen oder eine verzweigte oder cyclische Alkyl- oder Alkoxygruppe mit 3 bis 6 C-Atomen, die jeweils mit einem oder mehreren Resten R1substituiert sein kann, wobei ein oder mehrere H-Atome durch F ersetzt sein können, oder ein aromatisches oder heteroaromatisches Ringsystem mit 5 bis 60 aromatischen Ringatomen, das jeweils durch einen oder mehrere Reste ...

Polymers having attached luminescent metal complexes and devices made with such polymers

The present invention is generally directed to a polymeric metal complex comprising a polymeric material having a plurality of a first-type functional groups, wherein at least a portion of the functional groups are coordinated to at least one metal containing complex, polymeric-metal complex salts comprising at least one polymeric material having a plurality of first-type functional groups having a charge, and at least one metal complex having an opposite charge. It further relates to devices that are made with the polymeric metal complex or the polymeric-metal complex salt.

Electroluminescent device

Disclosed are electroluminescent devices that comprise organic layers that contain certain organic compounds containing one ore more pyrimidine moieties. The organic compounds containing one ore more pyrimidine moieties are suitable components of blue-emitting, durable, organo-electroluminescent layers. The electroluminescent devices may be employed for full color display panels in for example mobile phones, televisions and personal computer screens.

Organometallic complex, and light-emitting element, light-emitting device and electronic device using the organometallic complex

Polymers having attached luminescent metal complexes and devices made with such polymers

The present invention is generally directed to a polymeric metal complex comprising a polymeric material having a plurality of a first-type functional groups, wherein at least a portion of the functional groups are coordinated to at least one metal containing complex, polymeric-metal complex salts comprising at least one polymeric material having a plurality of first-type functional groups having a charge, and at least one metal complex having an opposite charge. It further relates to devices that are made with the polymeric metal complex or the polymeric-metal complex salt.

Polymers having attached luminescent metal complexes and devices made with such polymers

The present invention is generally directed to a polymeric metal complex comprising a polymeric material having a plurality of a first-type functional groups, wherein at least a portion of the functional groups are coordinated to at least one metal containing complex, polymeric-metal complex salts comprising at least one polymeric material having a plurality of first-type functional groups having a charge, and at least one metal complex having an opposite charge. It further relates to devices that are made with the polymeric metal complex or the polymeric-metal complex salt.

Polymers having attached luminescent metal complexes and devices made with such polymers

The present invention is generally directed to a polymeric metal complex comprising a polymeric material having a plurality of a first-type functional groups, wherein at least a portion of the functional groups are coordinated to at least one metal containing complex, polymeric-metal complex salts comprising at least one polymeric material having a plurality of first-type functional groups having a charge, and at least one metal complex having an opposite charge. It further relates to devices that are made with the polymeric metal complex or the polymeric-metal complex salt.

Electroluminescent device

Disclosed are electroluminescent devices that comprise organic layers that contain certain organic compounds containing one or more pyrimidine moieties. The organic compounds containing one or more pyrimidine moieties are suitable components of blue-emitting, durable, organo-electroluminescent layers. The electroluminescent devices may be employed for full color display panels in for example mobile phones, televisions and personal computer screens.

Carbene metal complexes as OLED materials

An organic light emitting device having an anode, a cathode and an organic layer disposed between the anode and the cathode is provided. In one aspect, the organic layer comprises a carbene compound having the following structure:

Carbene metal complexes as OLED materials

An organic light emitting device having an anode, a cathode and an organic layer disposed between the anode and the cathode is provided. In one aspect, the organic layer comprises a carbene compound

Carbene metal complexes as OLED materials

An organic light emitting device having an anode, a cathode and an organic layer disposed between the anode and the cathode is provided. In one aspect, the organic layer may be an emissive layer comprising one of the following compounds:

Carbene metal complexes as OLED materials

An organic light emitting device having an anode, a cathode and an organic layer disposed between the anode and the cathode is provided. In one aspect, the organic layer comprises a compound having at least one zwitterionic carbon donor ligand.

Organic light emitting materials with anionic ligand

Emissive phosphorescent organometallic compounds that produce electroluminescence and organic light emitting devices employing such emissive phosphorescent organometallic compounds are provided. More specifically the present invention is directed to novel primarily non-emitting ligands which produce a blue shift in emitted light when associated with a cyclometallated ligand.

Materials and structures for enhancing the performance of organic light emitting devices

A device is provided, having an anode, a cathode, and a first organic layer disposed between the anode and the cathode. The first organic layer produces phosphorescent emission when a voltage is applied between the anode and the cathode. An organic enhancement layer disposed between the first organic layer and the cathode is also provided. The organic enhancement layer is in direct contact with the first organic layer. The organic enhancement layer may comprise a material of structure (I): The material of structure I is thermally stable and is a high energy band gap material.

Cyclometalated transition metal complex and organic electroluminescent device using the same

A cyclometalated transition metal complex very efficiently emits phosphorescent light and an organic electroluminescent device using the same. The transition metal complex is suitable for an organic layer of an organic electroluminescent device, can emit light with a wavelength of 400 to 650 nm, and can emit white light when used with a red emissive material or a green emissive material.

Light-emitting metal complex and method for producing the same and organic electroluminescent device using the same

【課題】 安定性及び発光効率が高く、寿命が長い有機エレクトロルミネッセンス素子、それを実現する新規な金属錯体化合物及びその製造方法を提供する。 【解決手段】 イリジウム等の金属を含み、２座配位子の他に水素原子等の単座配位子を有する構造の金属錯体化合物であり、２つの酸素原子を有する配位子をもつ金属化合物を原料として前記金属錯体化合物を製造することであり、並びに、一対の電極間に少なくとも発光層を有する一層又は複数層からなる有機薄膜層が挟持されている有機エレクトロルミネッセンス素子において、該有機薄膜層の少なくとも１層が、前記金属錯体化合物を含有する有機エレクトロルミネッセンス素子である。 【選択図】 なし

Organic light emitting materials with anionic ligand

본 발명은 전자발광을 발생시키는 방출 인광 유기금속 화합물 및 이러한 방출 인광 유기금속 화합물을 사용하는 유기 발광 소자에 관한 것이다. 더 구체적으로, 본 발명은 금속고리화된 리간드와 결합시 방출광에서 청색 이동을 발생시키는 신규한 1차 비방출 리간드에 관한 것이다. The present invention relates to an emitting phosphorescent organometallic compound that generates electroluminescence and an organic light emitting device using such an emitting phosphorescent organometallic compound. More specifically, the present invention relates to novel primary non-emitting ligands that produce a blue shift in emitted light upon binding to a metallized ligand.

Organic light emitting materials with anionic ligand

本发明提供了产生电致发光的磷光发射有机金属化合物以及所用所述磷光发射有机金属化合物有机发光器件。本发明更尤其涉及当与环状金属化配体结合时在发射的光中产生蓝移的新颖的主要非发射配体。

High-molecular copolymer containing metal coordination compound and organic electroluminescence element using the same

A high-molecular copolymer containing a metal coordination compound capable of blue phosphorescence of high color purity. There is further provided a high-molecular copolymer containing a metal coordination compound of prolonged driving life capable of emitting lights of various colors ranging from blue to red. In particular, there is provided a high-molecular copolymer containing a metal coordination compound, characterized by comprising any of metal coordination compound monomer units represented by the formulae (1) to (12): B: >O, >S, >C=O, >SO2, >CR2 together with at least one monomer unit selected from the group consisting of a substituted or unsubstituted quinoline monomer unit, a substituted or unsubstituted arylene and/or heteroarylene monomer unit, a substituted or unsubstituted branched structure monomer unit and a substituted or unsubstituted conjugated monomer unit.

Organic electroluminescent element

Electroluminescent device with red triplet emitter

An organic light-emitting device contains a cathode, an anode, and having located there-between a light-emitting layer, comprising: a) a host material including an organometallic compound represented by Formula (1): wherein: R 1 through R 6 each independently represent hydrogen or a substituent group, and L represents a substituent; and b) at least one phosphorescent light-emitting compound, with a triplet energy less than or equal to the triplet energy of the host material. The device provides an improved combination of low voltage and luminance efficiency.

Metal complexes

Electroluminescent material, electroluminescent element and color conversion filter

An electroluminescent element is disclosed, comprising an electroluminescent material and a fluorescent substance emitting light having an emission maximum at the wavelength different from that of light emitted from the electroluminescent material upon absorption of the light emitted from the electroluminescent material. A color conversion filter is also disclosed, comprising a fluorescent substance emitting light having an emission maximum at the wavelengths of 400 to 700 nm upon absorption of the light emitted from the electroluminescent material.

High-molecular copolymer containing metal coordination compound and organic electroluminescence element using the same

It is an object of the present invention to provide a copolymer containing a metal coordination compound that has blue phosphorescence emission with excellent color purity and, furthermore, to provide a copolymer containing a metal coordination compound that has luminescence of various colors from blue to red and a long operating life. The present invention relates to a metal coordination compound-containing copolymer that contains a metal coordination compound monomer unit represented by any one of Formulae (1) to (12): and at least one type of monomer unit selected from the group consisting of a substituted or unsubstituted quinoline monomer unit, a substituted or unsubstituted arylene and/or heteroarylene monomer unit, a substituted or unsubstituted branched monomer unit, and a substituted or unsubstituted conjugated monomer unit.

Metal complexes

The invention relates to single metal complexes containing a hexadentate ligand in which three partial ligands coordinate to a metal. Said partial ligands can be the same or different and be linked to each other via a bridge of formula (1), and to electronic electroluminescent devices that contain said metal complexes, in particular as emitters.

metal complexes

Die vorliegende Erfindung beschreibt neuartige ionische Metallkomplexe. Derartige Verbindungen sind als funktionelle Materialien in einer Reihe verschiedenartiger Anwendungen, die im weitesten Sinne der Elektronikindustrie zugerechnet werden können, einsetzbar. DOLLAR A Die erfindungsgemäßen Verbindungen sind durch die Formeln (1) und (1a) beschrieben.

Organic light emitting devices having carrier transporting layers comprising metal complexes

Polynuclear metal complexes as phosphorescence emitters in electroluminescent layer arrangements

본 발명은 다핵 금속 착물, 그의 제조 방법 및 전계발광층 장치내 인광 방출기로서의 그의 용도에 관한 것이다.

Deuterated compound as part of a combination of compounds for electronic applications

본 발명은 전자 응용에 유용한 배합물의 적어도 하나의 중수소화된 아릴-안트라센 화합물에 관한 것이다. 본 발명은 또한 활성 층이 2가지 개별 아릴-안트라센 화합물 - 화합물 중 적어도 하나는 일부 중수소화됨 - 을 포함하는 전자 소자에 관한 것이다.

Organic electroluminescence device

An organic electroluminescence device comprises a cathode, an anode and a layer of an organic thin film comprising one or a plurality of layers and disposed between the cathode and the anode, wherein at least one of the layers in the layer of an organic thin film comprises a laminate of a layer comprising a metal complex having an energy gap of 2.8 eV or greater and a layer of a host material. The organic electroluminescence device exhibits a higher efficiency of light emission and has a longer life than conventional device while the emitted light has a high luminance.

Material for organic electroluminescent element, and organic electroluminescent element

An organic electroluminescence device and a material for producing the organic electroluminescence device. The organic electroluminescence device includes an organic thin film layer between a cathode and an anode, the organic thin film layer including one or more layers, in which the organic thin film layer includes one or more light emitting layers and at least one of the light emitting layers includes a phosphorescent material and a host material. The host material has an essential structure in which a naphthalene ring is bonded to a fluorene skeleton, dibenzofuran skeleton, or dibenzothiophene skeleton. The organic electroluminescence device is a phosphorescent device having high efficiency and long lifetime.

Light emitting device

A triplet light emitting device which has high efficiency and improved stability and which can be fabricated by a simpler process is provided by simplifying the device structure and avoiding use of an unstable material. In a multilayer device structure using no hole blocking layer conventionally used in a triplet light emitting device, that is, a device structure in which on a substrate, there are formed an anode, a hole transporting layer constituted by a hole transporting material, an electron transporting and light emitting layer constituted by an electron transporting material and a dopant capable of triplet light emission, and a cathode, which are laminated in the stated order, the combination of the hole transporting material and the electron transporting material and the combination of the electron transporting material and the dopant material are optimized.

Organic boron π-electron compounds and synthetic intermediates thereof

式（１）で表される有機ホウ素π電子系化合物（例えばＡｒ１はチオフェンであり、Ａｒ２はチアゾール）は、Ａｒ２の環状骨格に含まれる窒素がホウ素へ分子内配位するため、従来の電子輸送材料と比べて、（ａ）ＬＵＭＯのエネルギーレベルが低下し電子受容性が高くなり、電子の注入効率が向上し、（ｂ）Ａｒ１とＡｒ２とが高い共平面性をとることで、固体状態での分子間の配向を制御することができ、注入された電子の移動度が高くなる。したがって、これらの有機ホウ素π電子系化合物は、電子輸送材料（有機ＥＬ素子の電子輸送層やＦＥＴの電子輸送層など）として適している。 In the organic boron π-electron compound represented by the formula (1) (for example, Ar1 is thiophene and Ar2 is thiazole), since the nitrogen contained in the cyclic skeleton of Ar2 is coordinated intramolecularly to boron, conventional electron transport Compared to the material, (a) the LUMO energy level is lowered, the electron acceptability is increased, the electron injection efficiency is improved, and (b) Ar1 and Ar2 are highly coplanar, so that in the solid state It is possible to control the orientation between the molecules, and the mobility of the injected electrons is increased. Therefore, these organic boron π-electron compounds are suitable as an electron transport material (such as an electron transport layer of an organic EL element or an electron transport layer of an FET).

Light emitting device

A triplet light emitting device which has high efficiency and improved stability and which can be fabricated by a simpler process is provided by simplifying the device structure and avoiding use of an unstable material. In a multilayer device structure using no hole blocking layer conventionally used in a triplet light emitting device, that is, a device structure in which on a substrate, there are formed an anode, a hole transporting layer constituted by a hole transporting material, an electron transporting and light emitting layer constituted by an electron transporting material and a dopant capable of triplet light emission, and a cathode, which are laminated in the stated order, the combination of the hole transporting material and the electron transporting material and the combination of the electron transporting material and the dopant material are optimized.

Light emitting device

A triplet light emitting device which has high efficiency and improved stability and which can be fabricated by a simpler process is provided by simplifying the device structure and avoiding use of an unstable material. In a multilayer device structure using no hole blocking layer conventionally used in a triplet light emitting device, that is, a device structure in which on a substrate, there are formed an anode, a hole transporting layer constituted by a hole transporting material, an electron transporting and light emitting layer constituted by an electron transporting material and a dopant capable of triplet light emission, and a cathode, which are laminated in the stated order, the combination of the hole transporting material and the electron transporting material and the combination of the electron transporting material and the dopant material are optimized.

Light emitting device

A triplet light emitting device which has high efficiency and improved stability and which can be fabricated by a simpler process is provided by simplifying the device structure and avoiding use of an unstable material. In a multilayer device structure using no hole blocking layer conventionally used in a triplet light emitting device, that is, a device structure in which on a substrate, there are formed an anode, a hole transporting layer constituted by a hole transporting material, an electron transporting and light emitting layer constituted by an electron transporting material and a dopant capable of triplet light emission, and a cathode, which are laminated in the stated order, the combination of the hole transporting material and the electron transporting material and the combination of the electron transporting material and the dopant material are optimized.

Organic light-emitting device

An organic light-emitting device including a substrate; a first electrode on the substrate; a second electrode; an organic layer between the first electrode and the second electrode, the organic layer including an emission layer; and a first layer including a cyano group-containing compound, the first layer being between the first electrode and the emission layer, wherein the first electrode includes an Al-based reflective layer and a transparent conductive layer sequentially stacked on the substrate, the Al-based reflective layer including a first element and nickel (Ni), and the first element includes at least one of lanthanum (La), cerium (Ce), praseodymium (Pr), promethium (Pm), samarium (Sm), europium (Eu), gadolinium (Gd), terbium (Tb), dysprosium (Dy), holmium (Ho), erbium (Er), thulium (Tm), ytterbium (Yb), and lutetium (Lu).

Organic light-emitting device

An organic light-emitting device including a substrate; a first electrode on the substrate; a second electrode; an organic layer between the first electrode and the second electrode, the organic layer including an emission layer; and a first layer including a cyano group-containing compound, the first layer being between the first electrode and the emission layer, wherein the first electrode includes an Al-based reflective layer and a transparent conductive layer sequentially stacked on the substrate, the Al-based reflective layer including a first element and nickel (Ni), and the first element includes at least one of lanthanum (La), cerium (Ce), praseodymium (Pr), promethium (Pm), samarium (Sm), europium (Eu), gadolinium (Gd), terbium (Tb), dysprosium (Dy), holmium (Ho), erbium (Er), thulium (Tm), ytterbium (Yb), and lutetium (Lu).

Electroluminescent material containing a conjugated polymer or metal complexes inside zeolites and porous materials and the preparation method thereof

An electroluminescent material comprising at least one electroluminescent compound supported in a matrix, wherein the matrix is selected from among microporous and mesoporous materials, selected from among zeolites, porous oxides, molecular sieves, silicoaluminophosphates and aluminosilicates, the electroluminescent compound is selected from among polymers derived from polyphenylenevinylene, complexes of IIIA group metal ions with 8-hydroxyquinoline and combinations thereof, and where the electroluminescent compound is housed in interior spaces of the matrix. These electroluminescent materials possess excellent properties in terms of chemical stability towards the environment (oxygen, humidity, CO 2 , etc.), durability (number of electroluminescent cycles under aerobic conditions), control of the state of aggregation (isolated or being associated in pairs or more) of aromatics.

Electroluminescent materials and devices

An electroluminescent material is a metal complex, preferably aluminium, of a substituted pyrazol-5-one.

Electroluminescent devices

An electroluminescent device has, as the electroluminescent layer, a metal compound selected from organic complexes of non rare earth metals.

Organic light emitting materials with anionic ligand

Emissive phosphorescent organometallic compounds that produce electroluminescence and organic light emitting devices employing such emissive phosphorescent organometallic compounds are provided. More specifically the present invention is directed to novel primarily non-emitting ligands which produce a blue shift in emitted light when associated with a cyclometallated ligand.

Organic electronic component

Mit der vorliegenden Erfindung wird erstmals ein organisches elektronisches Bauelement offenbart, das eine gegenüber bislang bekannten Bauelementen erhöhte Lebensdauer hat, wobei das Bauelement zumindest eine organische aktive Schicht umfasst, die ein nicht-konjugiertes organisches Material enthält. The present invention discloses for the first time an organic electronic component which has an increased lifetime compared to previously known components, wherein the component comprises at least one organic active layer which contains a non-conjugated organic material.

Polymers, phosphorescent organic semiconducting emitter materials based on perarylated boranes, process for their preparation and uses thereof

Phosphoreszierende Copolyarylborane des Typs K,wobei Folgendes gilt: x, y und z sind molare Teile von Komponenten und ergeben in Summe gleich 1, an den Enden sind Wasserstoff-Atome gebunden, M, HT und TE stehen für die Art der jeweiligen Arylenkomponente im Copolymer, dabei dient M als Matrixstruktur und hat eine Arylenstruktur, wobei unter dem Begriff Arylenstruktur eine beliebige bivalent verbindende ein- oder mehrkernige aromatische und/oder heteroaromatische Struktur verstanden wird, HT ist eine lochtransportfähige substituierte 2-Aminothiophen bzw. -thiazolstruktur, TE ist ein bivalenter phosphoreszierender Organometallkomplex, folgender Struktur:Me hat die Bedeutung eines Metalls der 8. Nebengruppe (Iridium, Ruthenium, Osmium oder Platin), Ar5 ist ein mit dem Metall komplexierbarer Arylenligand, der gleichzeitig auch eine Funktion zur polymeren Anbindung trägt,... Phosphorescent copolyarylboranes of type K, where the following applies: x, y and z are molar parts of components and add up to 1, hydrogen atoms are bonded to the ends, M, HT and TE stand for the type of arylene component in the copolymer , M serves as a matrix structure and has an arylene structure, the term arylene structure being understood to mean any bivalent connecting mononuclear or polynuclear aromatic and / or heteroaromatic structure, HT is a substituted 2-aminothiophene or -thiazole structure that can be transported through holes, TE is a bivalent one Phosphorescent organometallic complex, following structure: Me has the meaning of a metal of the 8th subgroup (iridium, ruthenium, osmium or platinum), Ar5 is an arylene ligand that can be complexed with the metal, which at the same time also has a function for polymeric bonding, ...

COMPOUND FOR LIGHT EMITTING ELEMENT AND ORGANIC LIGHT EMITTING ELEMENT USING THE SAME

Electroluminescent material, electroluminescent element and color conversion filter

An electroluminescent element, comprising an electroluminescent material and a fluorescent substance emitting light having an emission maximum at the wavelength different from that of light emitted from the electroluminescent material upon absorption of the light emitted from the electroluminescent material. A color conversion filter is also disclosed, comprising a fluorescent substance emitting light having an emission maximum at the wavelengths of 400 to 700 nm upon absorption of the light emitted from the electroluminescent material.

Azaborinine derivatives, their synthesis and use in organic electronic devices

The present invention relates to azaborinine derivatives of formulae (l-1) or (I-2), their synthesis as well as their use in organic electronic devices, particularly in organic light emitting devices such as OLEDS, organic photovoltaic devices and organic photodetectors. The invention further relates to organic electronic devices comprising the present azaborinine derivatives in devices such as e.g. OFET.

Formulation containing an organic semiconductor and a metal complex

The present invention relates to formulations which comprise at least one organic semiconductor, at least one metal complex and at least one solvent and the use of these formulations in electronic devices, in particular organic electroluminescent devices.

Host material for blue phosphor, and organic thin film and organic light-emitting device including same

Provided are a host material for a blue phosphor, and an organic thin film and an organic light-emitting device including the same. The host material for a blue phosphor is such that a carbazole compound is bonded around a central atom, wherein the central atom is a Group 14 element, and the carbazole compound bonded around the central atom is 3 or 4, wherein the carbazole compound. includes carbazole in which an alkyl group is substituted The host material for a blue phosphor has high triplet energy (ET) and excellent electrical mobility and thermal stability. As a result, the organic thin film, which includes the host material, and the organic light-emitting device, which includes the organic thin film, implement a deep blue color and have excellent luminous efficiency.

Organic electroluminescence element and compound