ELECTROLUMINESCENT MATERIAL AND DEVICE THEREOF

Provided are an electroluminescent material and a device comprising the same. The electroluminescent material is a metal complex comprising a metal M and a ligand La coordinated to the metal M, where the ligand La has a structure represented by Formula 1. The metal complex may be used as a light-emitting material in an electroluminescent device. These new metal complexes, while maintaining a very narrow full width at half maximum, can better adjust an emitted color of the device, achieve a deeper red light emission and enable a drive voltage of the device to be reduced or maintained at a low voltage level, significantly improving device efficiency. This new type of metal complex can provide better device performance. Further provided are an electroluminescent device and a compound combination.

ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES

A compound comprising a ligand LA comprising a moiety L having a structure of Formula I is provided. In Formula I, LA coordinated to a metal M; A1 is selected from B, N, P, P=O, P=S, Al, Ga, SiR", GeR", and SnR"; where rings A, B, and C are 5- or 6-membered rings; Y1, Y2, and Y3 are selected from direct bonds, the metal M, and a variety of linkers; a + b + c = 2 or 3; and one of a number of specific conditions is met. OLED devices, consumer products, and formulations including the compound are also provided.

ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES

Provided is a compound of Formula of Ir(LA)n(LB)m(LC)o, wherein ligand LA has a structure of Formula I, ligand LB has a structure of Formula II, and Lc is a bidentate ligand; and wherein n is 1, or 2; m is 1, or 2; o is 0, or 1; and n+m+o = 3; and all the remaining variables are defined herein. Formulations, OLEDs, and consumer products containing the compound are also provided.

ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES

The present disclosure provides for an organic electroluminescent device (OLED) including an anode (115); a cathode (160); and an emissive layer (135), disposed between the anode and the cathode. The emissive layer includes a phosphorescent dopant, a first host, and a second host, wherein the first host transports holes, the second host transports electrons, and the first host is fully or partially deuterated. Consumer products that include the OLED are also provided.

LIGHT EMITTING ELEMENT

USE OF AN ANCILLARY LIGAND IN A PHOSPHORESCENT METAL COMPLEX COMPOUND

A compound having an ancillary ligand L1 having the formula: Formula I is disclosed. The ligand L1 is coordinated to a metal M having an atomic number greater than 40, and two adjacent substituents are optionally joined to form into a ring. Such compound is suitable for use as emitters in organic light emitting devices.

ORGANIC COMPOUND AND ORGANIC ELECTROLUMINESCENT ELEMENT COMPRISING SAME

ORGANIC LIGHT EMITTING DISPLAY DEVICE

An organic light emitting display device includes a substrate including first to third pixel regions; and an organic light emitting diode including a transparent electrode, a reflective electrode and a light emitting layer between the transparent electrode and the reflective electrode, wherein the light emitting layer in the organic light emitting diode in the first pixel region includes a first emitting part including a first emitting material layer and second emitting part including a second emitting material layer, and the second emitting part is positioned between the first emitting material layer and the transparent electrode, wherein the light emitting layer in the organic light emitting diode in the second pixel region includes a third emitting part including a third emitting material layer and fourth emitting part including a fourth emitting material layer, and the fourth emitting part is positioned between the third emitting material layer and the transparent electrode, and wherein ...

NOVEL HETEROLEPTIC IRIDIUM COMPLEXES

LIGHT-EMITTING DEVICE

Provided are a light-emitting device and an electronic apparatus including the same. The light-emitting device includes a first electrode, a second electrode facing the first electrode, an interlayer arranged between the first electrode and the second electrode and including an emission layer, and a capping layer, wherein the emission layer includes a first emitter, the first emitter emits first light having a first emission spectrum, the capping layer is arranged in a path on which the first light travels, an emission peak wavelength of the first light is in a range of about 610 nm to about 720 nm, the first emitter includes iridium, the capping layer includes an amine-containing compound, a value of ratio of reflective index to full width at half maximum of the first light extracted to the outside through the capping layer is 2.0 or more, and the RRF value is calculated by Equation 1.

Organometallic compound and organic electroluminescent device including the same

An organometallic compound of Formula 1; Wherein M represents a central coordination metal selected from molybdenum, tungsten, rhenium, ruthenium, osmium, rhodium, iridium, palladium, platinum and gold; Y is selected from BR1, CR1R2, C=O, C=NR1, SiR1R2, NR1, PR1, AsR1, SbR1, BiR1, P(O)R1, P(S)R1, P(Se)R1, As(O)R1, As(Se)R1, Sb(O)R1, SB(S)R1, Sb(Se)R1, Bi(O)R1, Bi(Se)R1, O, S, Se, Te, SO, SO2, SeO, SeO2, TeO and TeO2; X1 and X2 each independently represent C, N or P, provided at least one of X1 and X2 is C and the other is N or P; X3-14 each independently represent CR, N, P, S or O, or adjacent groups selected from X3-14 are combined with each other to form a C5 or C6 ring structure; Ra-c and R are as herein defined; Z1-Z2 represents a bidentate ligand; m is 1-3 and n is 0-2; and m + N is an oxidation number of the metal M. M is preferably Iridium. Y is preferably O, S or CR1R2. Z1-Z2 may be a 1,3-diketone, exemplified examples include acetylacetone. The organometallic compound may be used ...

Light emitting device and light emitting display including the same

A light emitting device including a first electrode and a second electrode facing each other, and a first blue stack, a first charge generation layer, and a phosphorescent stack disposed between the first electrode and the second electrode. The phosphorescent stack includes a hole transport layer, a red light emitting layer, a green light emitting layer, and an electron transport layer. The red light emitting layer includes an electron transport host represented by Formula 1, a hole transport host different from the hole transport layer, and a red dopant. Wherein Formula 1 is: R1-R4 and X are as defined in claim 1. Also shown is a light emitting display having a substrate comprising a plurality of subpixels each including a thin film transistor and the light emitting device connected to the thin film transistor.

HETEROCYCLIC COMPOUNDS FOR ORGANIC ELECTROLUMINESCENT DEVICES

USE OF AN ANCILLARY LIGAND IN A PHOSPHORESCENT METAL COMPLEX COMPOUND

Organometallic compound and organic electroluminescent device including the same

Organometallic compound and organic light-emitting diode including the same

An organometallic compound represented by Formula 1: Ir(LA)m(LB)n, wherein LA is a bidentate ligand selected from Formula 2-(1-6) as defined herein; LB is a bidentate ligand represented by Formula 3; m is 1-3, n is 0-2, provided that the sum of m and n is 3. The compounds are disclosed as dopants of a phosphorescent light-emitting layer of an organic light-emitting diode. Light-emitting devices comprising first and second opposing electrodes and an organic layer disposed between the firs t and second electrodes, the organic layer including a light-emitting layer comprising a dopant material, the dopant material comprising a compound of Formula 1. The light emitting layer may be a green light-emitting layer. The organic layer may further include a hole injection layer, a hole transport layer, an electron transport layer or an electron injection layer. Organic light-emitting devices as above comprising two or three light emitting stacks, wherein each stack comprises a light emitting layer ...

ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES

An OLED is disclosed whose emissive layer has a first host and an emitter, where the emitter is a phosphorescent metal complex or a delayed fluorescent emitter, where EH1T, the T1 triplet energy of the first host, is higher than EET, the T1 triplet energy of the emitter, where EET is at least 2.50 eV, where the LUMO energy of the first host is higher than the HOMO energy of the emitter, where the absolute value of the difference between the HOMO energy of the emitter and the LUMO energy of the first host is ΔE1, where a ≤ ΔE1 - EET ≤ b; and where a ≥ 0.05 eV, and b ≤ 0.60 eV.

METAL COMPLEXES

The present invention relates to iridium complexes suitable for use in organic electroluminescent devices, particularly as emitters.

COMPOSITION, LAYER INCLUDING THE COMPOSITION, LIGHT-EMITTING DEVICE INCLUDING THE COMPOSITION, AND ELECTRONIC APPARATUS INCLUDING THE LIGHT-EMITTING DEVICE

A composition, including a first compound represented by Formula 1, and a second compound represented by Formula 2, wherein the first compound and the second compound are different from each other: Formula 1 Ir(L11)n11(L12)n12(L13)n13 Formula 2 Ir(L21)n21(L22)n22(L23)n23 wherein Formula 1 and Formula 2 are as defined in the specification.

ORGANIC ELECTROLUMINESCENT DEVICE

Organometallic compound and organic electroluminescent device including the same

An organometallic compound of Formula 1; Wherein M represents a central coordination metal selected from molybdenum, tungsten, rhenium, ruthenium, osmium, rhodium, iridium, palladium, platinum and gold; Y is selected from BR3, CR3R4, C=O, C=NR3, SiR3R4, NR3, PR3, AsR3, SbR3, BiR3, P(O)R3, P(S)R3, P(Se)R3, As(O)R3, As(Se)R3, Sb(O)R3, SB(S)R3, Sb(Se)R3, Bi(O)R3, Bi(Se)R3, O, S, Se, Te, SO, SO2, SeO, SeO2, TeO and TeO2; X1 and X2 each independently represent C, N or P, provided at least one of X1 and X2 is C and the other is N or P; X3-6 each independently represent CR5 or N; X7-10 each independently represent CR6 or N; R1-6 are as herein defined; Z1-Z2 represents a bidentate ligand; m is 1-3 and n is 0-2; and m + N is an oxidation number of the metal M. M is preferably Iridium. Y is preferably O, S or CR1R2. Z1-Z2 may be a 1,3-diketone, exemplified examples include acetylacetone. The organometallic compound may be used as dopant of a light-emitting layer of an organic electroluminescent device ...

Organometallic compound and organic electroluminescent device including the same

ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES

Organic light emitting element

A light emitting device includes a first electrode and a second electrode facing each other, and an organic material layer positioned between the first and second electrode wherein the organic layer material includes a compound of formula 1: wherein A is chemical formula a, Bi s chemical formula b and L is a direct bond of a compound of formula L-1, L-2 or L-3: and X1-X4, R1-R18 are as defined in claim 1. The organic material layer may also further include at least one of a hole injection layer, a hole transport layer, an electron transport layer, and an electron injection layer.

ORGANIC LIGHT EMITTING DIODE AND ORGANIC LIGHT EMITTING DEVICE HAVING THEREOF

An organic light emitting diode (OLED) in which at least one emitting material layer includes a dopant having a structure represented by Formula 1 and a biscarbazole-base host and an azine-based host, and an organic light emitting device including the OLED. The OLED and the organic light emitting device including the hosts and the dopant can improve their luminous efficiency and luminous lifespan. [Formula 1] Ir(LA)m(LB)n ...

ORGANIC LIGHT-EMITTING DEVICE

METAL COMPLEX AND ORGANIC LIGHT-EMITTING DEVICE

ORGANOMETALLIC COMPOUND, ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME, AND ELECTRONIC APPARATUS INCLUDING THE ORGANIC LIGHT-EMITTING DEVICE

An organometallic compound represented by Formula 1: Formula 1 M1(L1)n1(L2)n2 wherein M1 is a transition metal, L1 is a ligand represented by Formula 1A, L2 is a ligand represented by Formula 1B, and n1 and n2 are each independently 1 or 2, wherein Formulae 1A and 1B are as described herein.

HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME

ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES

Provided are organoiridium compounds. Also provided are formulations comprising these organoiridium compounds. Further provided are OLEDs and related consumer products that utilize these organoiridium compounds.

ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES

Compounds having a particular molecular shape that makes transition dipole moments (TDM) of the compounds in an EML align within the plane of the EML and produce the maximum light extraction effect are disclosed.

LIGHT-EMITTING DEVICE, ELECTRONIC DEVICE INCLUDING THE SAME, AND ELECTRONIC APPARATUS INCLUDING THE SAME

Embodiments provide a light-emitting device, an electronic device including the same, and an electronic apparatus including the light-emitting device. The light-emitting device includes a first electrode, a second electrode facing the first electrode, and an interlayer between the first electrode and the second electrode. The interlayer includes a hole transport region and an emission layer; the hole transport region is disposed between the first electrode and the emission layer; the hole transport region includes a first layer, which directly contacts the emission layer; the emission layer includes a first host and a first emitter; the first emitter emits first light having a first emission spectrum; and the first layer includes a first material.

Organic light-emitting component having a light-emitting layer as part of a charge generation layer

An organic light-emitting component is disclosed. The component includes an organic functional layer stack between two electrodes, where the organic functional layer stack has at least two organic light-emitting layers and at least one charge generation layer, and where at least one of the at least two organic light-emitting layers is part of the charge generation layer.

METHOD FOR PRODUCING HALOGEN-CROSSLINKED IRIDIUM DIMER

ORGANOMETALLIC COMPOUND, ORGANIC LIGHT-EMITTING DEVICE INCLUDING ORGANOMETALLIC COMPOUND, AND ELECTRONIC APPARATUS INCLUDING ORGANIC LIGHT-EMITTING DEVICE

ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES

NITROGENOUS HETEROAROMATIC COMPOUNDS FOR ORGANIC ELECTROLUMINESCENT DEVICES

ORGANIC LIGHT EMITTING DIODE AND ORGANIC LIGHT EMITTING DEVICE HAVING THEREOF

An organic light emitting diode (OLED) in which at least one emitting material layer includes a dopant having the structure represented by Formula 1 and a biscarbazole-base host and an azine-based host, and an organic light emitting device including the OLED. The OLED and the organic light emitting device including the hosts and the dopant can improve their luminous efficiency and luminous lifespan. [Formula 1] Ir(LA)m(LB)n ...

CARBAZOLE DERIVATIVES

유기 전계발광 트랜지스터

... 본 교시내용은 개선된 광 방출 특징을 갖는 유기 전계발광 트랜지스터에 관한 것이다. 보다 구체적으로, 본 발명의 유기 전계발광 트랜지스터는 n-형 반도체 재료의 적어도 하나의 층, p-형 반도체 재료의 적어도 하나의 층, 및 p-형과 n-형 반도체 재료의 층들 사이에 배열된 방출 재료의 적어도 하나의 층을 포함하는 방출 양극성 채널을 가지며, 여기서 다층 방출 양극성 채널은, 여러 층들 중에서, 벤조티에노-벤조티오펜 화합물을 포함하는 p-형 반도체 재료의 층, 및/또는 호스트 매트릭스 화합물로서 유기 카르바졸 유도체와 게스트 방출체로서 이리듐 착물을 포함하는 블렌드 재료를 포함하는 방출 재료의 층을 포함한다.

ORGANIC ELECTROLUMINESCENT APPARATUS

ORGANIC LIGHT EMITTING DIODE AND ORGANIC LIGHT EMITTING DISPLAY DEVICE INCLUDING THE SAME

An organic light emitting diode includes a reflective electrode (210); a transparent electrode (230) facing the reflective electrode; and a first emitting part (310) including a first blue emitting material layer (320) and positioned between the reflective electrode and the transparent electrode, the first blue emitting material layer including a fluorescent compound; and a second emitting part (350) including a second blue emitting material layer (360) and positioned between the first emitting part and the transparent electrode, the second blue emitting material layer including a fluorescent compound and a phosphorescent compound, wherein a difference between a second emission peak intensity of the second blue emitting material layer and a second emission peak intensity of the first blue emitting material layer is 0.1 or less.

ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES

A compound comprising a first ligand LA of Formula I, wherein; two adjacent RA are joined together to form a structure of Formula II, Formulas I and II, fused to ring A is provided. In each of X1 to X4 is C or N; K is a direct bond, O, S, N(Rα), P(Rα), B(Rα), C(Rα)(Rβ), or Si(Rα)(Rβ); Y1 is a linking group that forms a five-membered ring with ring A; Y2 is CR" or N; Z is linking group selected from O, S, Se, CRZRZ', SiRZRZ', GeRZRZ', PRZ, NRZ and combinations thereof; and each R, R', R", Rα, Rβ, RA, RB, RC, RZ, and RZ' is hydrogen or a General Substituent. Formulations, OLEDs, and consumer products containing the same are also provided.

ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES

High performance OLED that includes deuterated compounds in the emissive layer are disclosed. The OLED includes an anode (115); a cathode (160); and an emissive layer (135), disposed between the anode and the cathode. In the OLED, the emissive layer includes a first phosphorescent emitter and a first host; the first phosphorescent emitter is a metal complex; the first host is partially or fully deuterated; and at least one additional condition is true.

ORGANOMETALLIC COMPOUND, ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE ORGANOMETALLIC COMPOUND, DIAGNOSTIC COMPOSITION INCLUDING THE ORGANOMETALLIC COMPOUND

HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME

Light emitting device and display device

A light-emitting device or the like with high color reproducibility and high luminous efficiency is achieved. The light-emitting device includes a blue pixel, a green pixel, and a red pixel, and the green pixel includes, in a green-light-emitting layer that emits light, a host material that transports carriers, a fluorescence dopant, which serves as a light emission dopant that contribute to light emission, and a thermally activated assist dopant which is composed of a thermally activated delayed fluorescent material.

IRIDIUM COMPLEX-CONTAINING COMPOSITION, ORGANIC LIGHT EMITTING DEVICE HAVING THE SAME, DISPLAY APPARATUS, IMAGING APPARATUS, ELECTRONIC EQUIPMENT, LIGHTING APPARATUS, AND MOVING BODY

ORGANIC ELECTROLUMINESCENT DEVICE

ORGANIC ELECTROLUMINESCENT APPARATUS

유기 전계 발광 소자 및 디스플레이 장치

... 본 발명은 유기 전계 발광 소자 및 디스플레이 장치에 관한 것으로, 유기 전계 발광 기술 분야에 속한다. 본 발명의 이러한 유기 전계 발광 소자는 유기 발광층을 포함하고, 유기 발광층은 호스트 재료 및 도핑 염료를 포함하며, 호스트 재료는 광대역 갭 재료이고, 상기 발광층은 인광 증감제 및 공명형 열 활성 지연 형광 재료 게스트 도핑을 포함하는 호스트 발광 재료로 구성된다. 본 발명에 따른 소자는 인광 재료 및 공명형 열 활성 지연 형광 재료가 공동으로 호스트에 도핑되는 방법을 사용하여 100%의 여기자 이용률을 구현하고 제조된 OLEDs가 고효율 및 낮은 롤오프의 특징을 갖도록 한다.

ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES

ORGANIC LIGHT EMITTING DEVICE

COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING SAME

LIGHT-EMITTING DEVICE AND ELECTRONIC APPARATUS INCLUDING THE LIGHT-EMITTING DEVICE

A light-emitting device including a first electrode, a second electrode opposing the first electrode, and an interlayer located between the first electrode and the second electrode, wherein the interlayer includes an emission layer, wherein the emission layer includes m1 dopants and m2 hosts, and m1 and m2 are each 1 or greater, when m1 is 2 or greater, then two or more of the dopants are different from each other, when m2 is 2 or greater, then two or more of the hosts are different from each other, and the light-emitting device satisfies Condition 1: 0 debye ⋅ V ≤ DM EML × V op − V inj ≤ 3.41 debye ⋅ V wherein Condition 1 may be understood by referring to the description provided herein.

POLYMERS CONTAINING SUBSTITUTED TRIARYLAMINE UNITS AND ELECTROLUMINESCENT DEVICES CONTAINING SAID POLYMERS

COMPOSITION, LIGHT-EMITTING DEVICE INCLUDING THE SAME, AND ELECTRONIC APPARATUS INCLUDING THE LIGHT-EMITTNG DEVICE

A composition, including m1 dopants; and m2 hosts, wherein m1 and m2 are each an integer of 1 or greater, when m1 is 2 or greater, two or more of the m1 dopants are different from each other, when m2 is 2 or greater, two or more of the m2 hosts are different from each other, and the composition has an image-modifying coordinate represented by: (X, Y) as defined herein.

ORGANIC LIGHT EMITTING DIODE AND ORGANIC LIGHT EMITTING DEVICE INCLUDING THE SAME

An organic light emitting diode (D, D1, D2, D3 D4, D5) and an organic light emitting device (100, 300) including the same are discussed. The organic light emitting diode (D, D1, D2, D3 D4, D5) can include a first compound (232, 412, 512, 612, 722) represented by a following formula, a second compound (234, 414, 514, 614, 724) as a p-type host, and a third compound (236, 416, 516, 616, 726) as an n-type host in an emitting material layer. As a result, the organic light emitting diode (D, D1, D2, D3, D4, D5) and the organic light emitting device (100, 300) have advantages in the driving voltage, the luminous efficiency and the lifespan.

ORGANIC LIGHT EMITTING DIODE AND ORGANIC LIGHT EMITTING DEVICE INCLUDING THE SAME

An organic light emitting diode (OLED) (D, Dl, D2, D3) in which at least one emitting material layer (340, 740, 740') includes a dopant (342, 742) having the following structure represented by Formula 1 and a biscarbazole-base host (344, 744) and/or an azine-based host (346, 746), and an organic light emitting device (100, 400) including the OLED (D, Dl, D2, D3). The OLED (D, Dl, D2, D3) and the organic light emitting device (100, 400) including the host (344, 744, 346, 746) and the dopant (342, 742) can improve their luminous efficiency and luminous lifespan. [Formula 1] Ir(LA)m (LB)n ...

COMPOUND FOR ORGANIC OPTOELECTRONIC ELEMENT, COMPOSITION FOR ORGANIC OPTOELECTRONIC ELEMENT, ORGANIC OPTOELECTRONIC ELEMENT, AND DISPLAY DEVICE

Provided are a compound for an organic optoelectronic device represented by a combination of Chemical Formula 1 and Chemical Formula 2, a composition for an organic optoelectronic device including the same, an organic optoelectronic device, and a display device. Details for Chemical Formula 1 and Chemical Formula 2 are as defined in the specification.

ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES

Provided is a compound of Formula of Ir(LA)n(LB)m(LC)o, wherein ligand LA has a structure of Formula I, ligand LB has a structure of Formula II, and Lc is a bidentate ligand; and wherein n is 1, or 2; m is 1, or 2; o is 0, or 1; and n+m+o = 3; and all the remaining variables are defined herein. Formulations, OLEDs, and consumer products containing the compound are also provided.

METHODS OF MANUFACTURING A IRIDIUM COMPLEX-CONTAINING COMPOSITION AND AN ORGANIC LIGHT EMITTING DEVICE HAVING SUCH A COMPOSITION

The present disclosure provides a composition that contains an iridium complex and an isomer of the iridium complex, in which the amount of the isomer of the iridium complex is decreased. The iridium complex is a homo-N-trans (HNT) iridium complex having an iridium atom, and a first ligand, a second ligand, and a third ligand that are bonded to the iridium atom. The isomer has an iridium atom, a fourth ligand, a fifth ligand, and the third ligand. The composition ratio of the isomer relative to a total of the iridium complex and the isomer is 1.0% or less.

BAND EDGE EMISSION ENHANCED ORGANIC LIGHT EMITTING DIODE WITH A LOCALIZED EMITTER

A light emitting photonic crystal having an organic light emitting diode and methods of making the same are disclosed. An organic light emitting diode disposed within a photonic structure having a band-gap, or stop-band, allows the photonic structure to emit light at wavelengths occurring at the edges of the band-gap. Photonic crystal structures that provide this function may include materials having a refractive index that varies periodically such as distributed Bragg reflectors, aligned nematic liquid crystals, and holographically recorded gratings.

FORMULATIONS COMPRISING AT LEAST TWO ORGANIC SEMICONDUCTING COMPOUNDS AND AT LEAST TWO SOLVENTS

ORGANIC LIGHT EMITTING DIODE AND ORGANIC LIGHT EMITTING DEVICE INCLUDING THE SAME

An organic light emitting diode and an organic light emitting device including the organic light emitting diode are discussed. The organic light emitting diode can include a first compound represented by the following formula, a second compound as a p-type host and a third compound as an n-type host in an emitting material layer. As a result, the organic light emitting diode and the organic light emitting device have advantages in the driving voltage, the luminous efficiency and the lifespan.

ORGANIC ELECTROLUMINESCENCE DEVICE

ORGANIC LIGHT EMITTING DIODE AND ORGANIC LIGHT EMITTING DEVICE INCLUDING THE SAME

An organic light emitting diode (D, D1, D2, D3 D4, D5) and an organic light emitting device thereof are provided, each including a first compound (232, 412, 512, 612, 722) represented by the following structure, a second compound (234, 414, 514, 614, 724) as a p-type host and a third compound (236, 416, 516, 616, 726) as an n-type host in an emitting material layer. As a result, the organic light emitting diode (D, D1, D2, D3 D4, D5) and the organic light emitting device have advantages in the driving voltage, the luminous efficiency and the lifespan. The organic light emitting device includes the organic light emitting diode (D, D1, D2, D3 D4, D5) and can be a display device or a lighting device.

ORGANIC ELECTROLUMINESCENT ELEMENT

ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES

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

A compound that further improves the capability of an organic electroluminescent device, an organic electroluminescent device having a further improved device capability, and an electronic device including the organic electroluminescent device are provided. A compound represented by the following formula (1): wherein the symbols in the formula (1) are defined in the description, an organic electroluminescent device including the compound, and an electronic device including the organic electroluminescent device.

BAND EDGE EMISSION ENHANCED ORGANIC LIGHT EMITTING DIODE WITH A LOCALIZED EMITTER

METHOD FOR PRODUCING AN ORGANIC LIGHT-EMITTING DIODE

ORGANIC ELECTROLUMINESCENT ELEMENT

PHOSPHORESCENT MATERIALS

ORGANOMETALLIC COMPOUND, ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE ORGANOMETALLIC COMPOUND, AND DIAGNOSTIC COMPOSITION INCLUDING THE ORGANOMETALLIC COMPOUND

ORGANOMETALLIC COMPOUND, ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME, AND ELECTRONIC APPARATUS INCLUDING THE ORGANIC LIGHT-EMITTING DEVICE

An organometallic compound represented by Formula 1: Formula 1 M(L1)3 wherein M is iridium, and L1 is a ligand represented by Formula 2-1 or a ligand represented by Formula 2-2, wherein Y1 is N, X11 is C(R11) or N, X12 is C(R12) or N, X1 is O, S, or N-{(T1)b1-(Z1)c1}, T1 is a single bond, a C1-C20 alkylene group that is unsubstituted or substituted with at least one R10a, a C5-C30 carbocyclic group that is unsubstituted or substituted with at least one R10a, or a C1-C30 heterocyclic group that is unsubstituted or substituted with at least one R10a, A1 to A4 are each independently C or N, wherein one of A1 to A4 is C bonded to an adjacent 5-membered ring, and another of A1 to A4 is C bonded to M in Formula 1, and the remaining substituent groups are as defined herein.

ORGANIC LIGHT EMITTING DIODE AND ORGANIC LIGHT EMITTING DEVICE INCLUDING THE SAME

An organic light emitting diode (D, D1, D2, D3, D4, D5) and an organic light emitting device (100, 300) including the organic light emitting diode (D, D1, D2, D3, D4, D5) are discussed. The organic light emitting diode (D, D1, D2, D3, D4, D5) can include a first compound (232, 412, 512, 612, 722) represented by the following formula, a second compound (234, 414, 514, 614, 724) as a p-type host and a third compound (236, 416, 516, 616, 726) as an n-type host in an emitting material layer. As a result, the organic light emitting diode (D, D1, D2, D3 D4, D5) and the organic light emitting device (100, 300) have advantages in the driving voltage, the luminous efficiency and the lifespan.

PHOSPHORESCENT HOMOLEPTIC TRIS-[DEUTERATED-2(2-PYRIDINYL)PHENYL]-IRIDIUM COMPLEXES FOR USE IN LIGHT-EMITTING DEVICES

ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES

A composition of materials is disclosed, comprising a first compound having a formula: wherein G1 is selected from the group consisting of dibenzofuran, dibenzothiophene, dibenzoselenophene, and fluorene; wherein L1, L2 and L3 are each independently selected from the group consisting of direct bond, phenyl, biphenyl, terphenyl, pyridine, pyrimidine, and combinations thereof; wherein G4 is selected from the group consisting of phenyl, biphenyl, terphenyl, naphthalene, phenanthrene, pyridine, pyrimidine, pyrazine, quinoline, isoquinoline, phenanthroline, and combinations thereof; wherein G2, G3, and G5 are each independently selected from the group consisting of phenyl, biphenyl, terphenyl, fluorene, naphthalene, phenanthrene, pyridine, pyrimidine, pyrazine, quinoline, isoquinoline, phenanthroline, aza-fluorene, and combinations thereof; wherein G2, G3, G4, and G5 are each optionally further substituted with one or more unfused substituents selected from the group consisting of deuterium, ...

COMPOSITION AND LIGHT-EMITTING ELEMENT IN WHICH SAME IS USED

LIGHT-EMITTING DEVICE AND ELECTRONIC APPARATUS INCLUDING THE SAME

A light-emitting device (10) and an electronic apparatus including the same are provided. The light-emitting device includes a first electrode (110), a second electrode (150) facing the first electrode, an interlayer (130) between the first electrode and the second electrode and including an emission layer, and a capping layer (170). The emission layer includes a first emitter, the first emitter emits first light having a first emission spectrum, the capping layer is in the path on which the first light travels, an emission peak wavelength of the first light is from about 520 nm to about 550 nm. The first emitter includes iridium, the capping layer includes an amine-containing compound, and the value of ratio of CIEy to reflective index (RCR value) of the first light extracted to the outside through the capping layer is 38 or less, and the RCR value is calculated according to CIEy / R(cap) x 100.

Perovskite based charge transport layers for thin film optoelectronic devices and methods of making

A new type of charge transport layer based on organometal halide perovskite for highly efficient organic light emitting diodes (OLEDs) is demonstrated. By solution processing of halide perovskite precursors, smooth essentially pure perovskite thin films may be prepared with high transparency and conductivity. Solution processed multilayer OLED with this perovskite-based hole transport layer outperforms a device with a PEDOT:PSS layer.

BAND EDGE EMISSION ENHANCED ORGANIC LIGHT EMITTING DIODE WITH A LOCALIZED EMITTER

A light emitting photonic crystal having an organic light emitting diode and methods of making the same are disclosed. An organic light emitting diode disposed within a photonic structure having a band-gap, or stop-band, allows the photonic structure to emit light at wavelengths occurring at the edges of the band-gap. Photonic crystal structures that provide this function may include materials having a refractive index that varies periodically such as distributed Bragg reflectors, aligned nematic liquid crystals, and holographically recorded gratings.

ORGANOMETALLIC COMPOUND, ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME, AND DIAGNOSTIC COMPOSITION INCLUDING THE ORGANOMETALLIC COMPOUND

LIGHT EMITTING ELEMENT

ORGANOMETALLIC COMPOUND, ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME AND ELECTRONIC APPARATUS INCLUDING THE ORGANIC LIGHT-EMITTING DEVICE

ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES

ORGANOMETALLIC COMPOUND, ORGANIC LIGHT-EMITTING DEVICE INCLUDING ORGANOMETALLIC COMPOUND, AND ELECTRONIC APPARATUS INCLUDING ORGANIC LIGHT-EMITTING DEVICE

COMPOUNDS WITH SPIROBIFLUORENE-STRUCTURES

METAL COMPLEX AND COMPOSITION INCLUDING SAID METAL COMPLEX

ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES

A compound of a first ligand LA of Formula I, is provided. In Formula I, moieties A and B are each a monocyclic ring or a polycyclic fused-ring system; Z1 to Z4 are each C or N; K is a direct bond, O, or S; each RA and RB is independently a hydrogen or a General Substituent; at least one RA or RB is R∗, wherein R* has a structure of Formula II, ---L-GeR1R2R3; L is a direct bond or an organic linker; and LA is coordinated to a metal M by the dashed lines; and metal M is selected from Ir, Rh, Re, Ru, Os, Pt, Pd, Ag, Au, or Cu.

PHOSPHORESCENT MATERIALS

Novel organic compounds containing a twisted aryl group are provided. In particular, the compounds provided contain a 2-phenylpyridine ligand having a twisted aryl group on the pyridine portion of the ligand. The compounds may be used in organic light emitting devices, particularly as emitting dopants. Devices comprising the compounds containing twisted aryl may demonstrate improved color, efficiency, stability and manufacturing. Additionally, methods are provided for making homoleptic Ir (III) compounds which may contain a twisted aryl.

ORGANIC LIGHT-EMITTING DEVICE AND APPARATUS INCLUDING THE SAME

ORGANIC ELECTROLUMINESCENT DEVICE EMITTING GREEN LIGHT

ORGANIC LIGHT-EMITTING DEVICE

Provided is an organic light-emitting device comprising a first compound and a second compound that offers low driving voltage and high efficiency. The organic light-emitting device comprises an emission layer between a first electrode and a second electrode, and an electron transport region between the second electrode and the emission layer. The electron transport region comprises the first compound. A hole transport region between the first electrode and the emission layer comprises the second compound.

MULTI-COMPONENT HOST MATERIAL AND AN ORGANIC ELECTROLUMINESCENCE DEVICE COMPRISING THE SAME

COMPOSITION AND LIGHT-EMITTING ELEMENT USING SAME

Platinum (ii) tetradentate oncn complexes for organic light-emitting diode applications

Described are novel platinum (II) containing organometallic materials. These materials show green to orange emissions with high emission quantum efficiencies. Using the materials as emitting materials; pure green emitting organic light-emitting diodes can be fabricated. Since the novel platinum (II) containing organometallic materials are soluble in common solvents, solution process methods such as spin coating and printing can be used for device fabrication.

Charge transport compositions and electronic devices made with such compositions

The present invention is directed to a photoactive device comprising an anode, a cathode, and a photoactive layer, which device further comprises an electron transport and/or anti-quenching layer which minimizes both electron transfer quenching and energy transfer quenching of the photoactive layer.

Organic electroluminescent device

The present invention relates to phosphorescent organic electroluminescent devices which comprise at least one phosphorescent emitter and a mixture of at least two matrix materials in the emitting layer.

Polymers which contain substituted indenofluorene derivatives as structural unit, process for the preparation thereof, and the use thereof

The present invention relates to polymers which contain substituted indenofluorene derivatives as structural unit, to substituted indenofluorene derivatives, to a process for the preparation of the polymers according to the invention, to mixtures and solutions which comprise the polymers according to the invention, and to the use of the polymers according to the invention in electronic devices, in particular in organic electroluminescent devices, so-called OLEDs (OLED=organic light emitting diode).

White light emitting organic electroluminescent element

Provided is a white light-emitting organic EL element wherein a flexible plastic substrate is used, but the resistance to negative effects caused by the flexibility is excellent; a removal of a light emitting layer interface caused by folding the element and a contact failure do not tend to occur, and the drive voltage can be reduced. The white light-emitting organic EL element is formed by providing at least two layers, i.e., a light emitting layer (A) and a light emitting layer (B) on the plastic substrate. The white light-emitting organic EL element is characterized in that the light emitting layer (A) contains more than three kinds of luminescent dopants including a red luminescent dopant, a green luminescent dopant, and a blue luminescent dopant; the light emitting layer (B) contains the blue luminescent dopant; the light emitting layer (A) and the light emitting layer (B) are adjacent to each other, the light emitting layer (A) is formed on the side adjacent to the positive electrode, and the light emitting layer (B) is formed on the side adjacent to the negative electrode; and a mixed area is provided between the light emitting layer (A) and the light emitting layer (B).

Organic electroluminescent element material, organic electroluminescent element, method of manufacturing organic electroluminescent element, display device, and illuminating device

In the present invention, provided is an organic electroluminescent element material having a high externally taking-out quantum efficiency, which is suitable for manufacturing an element exhibiting long light emission lifetime, and also provided is an organic electroluminescent element possessing the material, a method of manufacturing the organic electroluminescent element, and a display as well as an illuminating device fitted with the organic electroluminescent element.

Method for Collecting Metal

It is an object of the present invention to collect a scarce metal such as iridium from a light-emitting element which is no longer used. A method for collecting a metal is provided in which an organic metal compound which can emit visible light from a triplet excited state at room temperature is heated, or an EL layer of a light-emitting layer containing an organic metal compound which can emit visible light from a triplet excited state at room temperature is dissolved in a solvent to form a solution, and the solution is heated, irradiated with microwaves or treated with acid water. According to the above method, resources of metals such as iridium or platinum, which are scarce metals, can be utilized efficiently.

Charge-transporting material and organic electroluminescence device

A charge-transporting material contains a compound represented by the following formula (1) in an organic layer, in which the contents of specific halogen-containing compounds are 0.1% or less to the compound represented by formula (1). In formula (1), each of A 1 and A 2 independently represents N, —CH or —CR; R represents a substituent; L represents a single bond, an arylene group, a cycloalkylene group or an aromatic heterocyclic group; each of R 1 to R 5 independently represents a substituent; each of n1, n2 and n3 independently represents an integer of 0 to 4; each of n4 and n5 independently represents an integer of 0 to 5; and each of p and q independently represents an integer of 1 to 4.

Material selecting method upon purifying iridium complex by sublimation

Provided is a material selecting method used upon purifying an iridium complex by sublimation which includes: selecting an iridium complex having a specific structure and having a rate of weight loss of 45% or greater when heated to 500° C. at a heating rate of 2° C./min under the degree of vacuum of from 1×10 −3 Pa to 1×10 −1 Pa; and carrying out sublimation purification.

Heteroleptic carbene complexes and the use thereof in organic electronics

The present invention relates to heteroleptic complexes comprising a phenylimidazole or phenyltriazole unit bonded via a carbene bond to a central metal atom, and phenylimidazole ligands attached via a nitrogen-metal bond to the central atom, to OLEDs which comprise such heteroleptic complexes, to light-emitting layers comprising at least one such heteroleptic complex, to a device selected from the group consisting of illuminating elements, stationary visual display units and mobile visual display units comprising such an OLED, to the use of such a heteroleptic complex in OLEDs, for example as emitter, matrix material, charge transport material and/or charge blocker.

Light-emitting element

Provided is a light-emitting element with high external quantum efficiency, or a light-emitting element with a long lifetime. The light-emitting element includes, between a pair of electrodes, a light-emitting layer including a guest material and a host material, in which an emission spectrum of the host material overlaps with an absorption spectrum of the guest material, and phosphorescence is emitted by conversion of an excitation energy of the host material into an excitation energy of the guest material. By using the overlap between the emission spectrum of the host material and the absorption spectrum of the guest material, the energy smoothly transfers from the host material to the guest material, so that the energy transfer efficiency of the light-emitting element is high. Accordingly, a light-emitting element with high external quantum efficiency can be achieved.

Organic el element and organic light-emitting device

To provide an organic EL element having high efficiency and long life, without accumulating holes at the interface between a light-emitting layer and a layer on the cathode side, and an organic light-emitting device. An organic EL element having a light-emitting layer between an anode and a cathode, wherein the light-emitting layer contains a light-emitting material and a charge-transporting material, the element has a hole relaxation layer adjacent to the cathode side of the light-emitting layer, the hole relaxation layer contains a hole-relaxing material, the hole-relaxing material is an organic compound having a hole-transporting unit and an electron-transporting unit, and at least one type of the charge-transporting material and at least one type of the hole-relaxing material are the same organic compound; and an organic light-emitting device containing such an element.

Novel organic electroluminescent compounds and organic electroluminescent device using the same

Provided are novel organic electroluminescent compounds and organic electroluminescent devices using the same. Since the organic electroluminescent compound exhibits good luminous efficiency and excellent life property compared to the existing material, it may be used to manufacture OLED devices having superior operation life and consuming less power due to improved power efficiency.

Organic light-emitting diode, display and illuminating device

According to one embodiment, there is provided an organic light-emitting diode including an anode and a cathode which are arranged apart from each other, a red and green emissive layer on the anode side and a blue emissive layer on the cathode side, which are arranged to be separated from each other between the anode and the cathode, and a spacer layer which is inserted between the red and green emissive layer and the blue emissive layer, and consists of a hole transport material which prevents energy transfer from the blue emissive layer to the red and green emissive layer. The red and green emissive layer contains a host material having hole transportability, a red phosphorescent emitting dopant, and a green phosphorescent emitting dopant, and the blue emissive layer contains a host material having electron transportability and a blue fluorescent emitting dopant.

Composite material, light-emitting element, light-emitting device, electronic device, and lighting device

A composite material which includes an organic compound and an inorganic compound and has a high carrier-transport property is provided. A composite material having a good property of carrier injection into an organic compound is provided. A composite material in which light absorption due to charge-transfer interaction is unlikely to occur is provided. A composite material having a high visible-light-transmitting property is provided. A composite material including a hydrocarbon compound and an inorganic compound exhibiting an electron-accepting property with respect to the hydrocarbon compound is provided. The hydrocarbon compound has a substituent bonded to a naphthalene skeleton, a phenanthrene skeleton, or a triphenylene skeleton and has a molecular weight of 350 to 2000, and the substituent has one or more rings selected from a benzene ring, a naphthalene ring, a phenanthrene ring, and a triphenylene ring.

Light-emitting element

A light-emitting element having high external quantum efficiency is provided. A light-emitting element having low drive voltage is provided. Provided is a light-emitting element which includes a light-emitting layer containing a phosphorescent compound, a first organic compound, and a second organic compound between a pair of electrodes. A combination of the first organic compound and the second organic compound forms an exciplex (excited complex). An emission spectrum of the exciplex overlaps with an absorption band located on the longest wavelength side of an absorption spectrum of the phosphorescent compound. A peak wavelength of the emission spectrum of the exciplex is longer than or equal to a peak wavelength of the absorption band located on the longest wavelength side of the absorption spectrum of the phosphorescent compound.

Quinoxaline Derivative, and Light Emitting Element, Light Emitting Device, and Electronic Device Using the Quinoxaline Derivative

To provide a new bipolar organic compound. In particular, to provide a bipolar organic compound having excellent heat resistance and to provide a bipolar organic compound which is electrochemically stable. Further, to provide a light emitting element and a light emitting device of which a driving voltage and power consumption are reduced by using a new bipolar organic compound. Further, to provide a light emitting element and a light emitting device which have excellent heat resistance by using a new bipolar organic compound. Further, to provide a light emitting element and a light emitting device which have a long life by using a new bipolar organic compound.

Electro-optic device and method for manufacturing same

An electro-optic device ( 100 ) includes a conductive wiring board ( 110 ) on one surface of which a plurality of conductive wires ( 140 ) are arranged so as not to intersect with each other, and a plurality of optical elements ( 130 ) each of which is provided on the board ( 110 ), and in which an insulating base member ( 131 ), a lower electrode ( 132 ), a function layer ( 133 ), and an upper electrode ( 134 ) are sequentially formed on the board ( 110 ). In this device ( 100 ), the lower electrode ( 132 ) is electrically connected to one of the conductive wires ( 140 ); the upper electrode ( 134 ) is electrically connected to one of the conductive wires ( 140 ) which is not connected to the lower electrode ( 132 ); and each of the optical elements ( 130 ) is provided such that part of the optical element ( 130 ) overlaps with part of one or more of the conductive wires ( 140 ) in plan view.

Organic electroluminescent element, production method of the same, display device, and lighting device

An organic electroluminescent element includes a laminated body incorporating an anode substrate, an anode, at least one non-light emitting organic layer A exhibiting positive hole transportability, at least one light emitting organic layer B, at least one non-light emitting organic layer C exhibiting electron transportability, a cathode, and a cathode substrate in the sequence set forth. At least 80% by weight of the organic layer A and the organic layer C in the laminated body is formed via a wet process, and the laminated body is made with an adhesion process between the organic layer A and the organic layer B, or between the organic layer B and the organic layer C.

Compositions comprising organic semiconducting compounds

The present invention relates to novel compositions comprising an organic semiconductor (OSC) and a wetting agent, to their use as inks for the preparation of organic electronic (OE) devices, especially organic photovoltaic (OPV) cells and organic light emitting diode (OLED) devices, to methods for preparing OE devices using the novel compositions, and to OE devices, especially OLED devices and OPV cells prepared from such methods and compositions. The efficiency of an OE device with the inclusion of 1% volatile surfactant was 13.5 cd/A at 100 cd/m2

Organic electroluminescent element, display device and lighting device

Provided is an organic electroluminescent element comprising a substrate having thereon an anode, a cathode, and a plurality of organic layers sandwiched between the anode and the cathode, wherein the plurality of organic layers comprise: a light emitting layer containing a phosphorescence emitting compound; and an electron transport layer containing a compound represented by Formula (1), (Ar1) n 1-Y1  Formula (1) wherein n1 is an integer of 1 or more; Y 1 is a substituent when n1 is 1, and Y 1 is a single bond or a linking group of n1 valences when n1 is two or more; Ar1 is a group represented by Formula (A), a plurality of Ar1 may be the same or different with each other when n1 is two or more; and the compound represented by Formula (1) contains at least two condensed aromatic heterocyclic rings each comprising 3 or more rings condensed with each other:

Aromatic heterocyclic derivative and organic electroluminescence device using the same

An aromatic heterocyclic derivative represented by the following formula (1), a material for an organic electroluminescence device and an organic electroluminescence device including these:

Novel iridium complex, organic light-emitting device, and image display apparatus

There is provided a novel iridium complex having a small half-width of an emission spectrum and an organic light-emitting device that contains the iridium complex. There is provided a novel iridium complex that has a phenyl ring and an imidazole ring as ligands and that has a basic skeleton in which the phenyl ring is bonded to a triazine ring.

Material for organic electroluminescence devices and organic electroluminescence device using the material

A material for organic electroluminescence devices comprising a compound in which a heterocyclic group having nitrogen is bonded to an arylcarbazolyl group or a carbazolylalkylene group and an organic electroluminescence device comprising an anode, a cathode and an organic thin film layer comprising at least one layer and disposed between the anode and the cathode, wherein at least one layer in the organic thin film layer comprises the material for organic electroluminescence devices described above. The material can provide an organic electroluminescence device emitting bluish light with a high purity of color. The organic electroluminescence device uses the material.

Organic electroluminescent device

An organic electroluminescent device includes: a pair of electrodes; and at least one organic compound layer therebetween, the at least one organic compound layer comprises at least a light-emitting layer, wherein at least one of the at least one organic compound layer comprises at least one compound represented by a particular formula.

Light-emitting material comprising orthometalated iridium complex, light-emitting device, high efficiency red light-emitting device, and novel iridium complex

A light-emitting material comprises iridium and at least one ligand represented by the following formula: wherein R 11 and R 12 each represents an alkyl group, an aryl group, a heteroaryl group, an alkoxy group, a cyano group or a cyclic structure obtained by connection of one of a plurality of R 11 s to another of said plurality of R 11 s, or one of a plurality of R 12 s to another of said plurality of R 12 s, or one of the R 11 s to one of the R 12 s; m 1 represents an integer from 0 to 4; m 2 represents an integer from 0 to 6.

Fluorine-fluorine associates

The present invention relates, inter alia, to compositions comprising, a compound which is able to emit and/or absorb light and a compound which is able either to absorb or emit light, where both compounds each include at least one fluorine radical. The present invention is furthermore directed to a process for the preparation of the composition, to the use of the composition in electronic devices and to the device itself.

Organic electroluminescent element, display device and lighting device

Provided is an organic electroluminescent element comprising a substrate having thereon an anode, a cathode, and a plurality of organic layers sandwiched between the anode and the cathode, wherein the plurality of organic layers comprise: a light emitting layer containing a phosphorescence emitting compound; and an electron transport layer containing a compound represented by Formula (1), (Ar1) n 1−Y1  Formula (1) wherein n1 is an integer of 1 or more; Y 1 is a substituent when n1 is 1, and Y 1 is a single bond or a linking group of n1 valences when n1 is two or more; Ar1 is a group represented by Formula (A), a plurality of Ar1 may be the same or different with each other when n1 is two or more; and the compound represented by Formula (1) contains at least two condensed aromatic heterocyclic rings each comprising 3 or more rings condensed with each other:

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

A novel triarylamine compound having a bipolar property is provided. The triarylamine compound can be used for a hole-injection layer, a hole-transport layer, a light-emitting layer, or an electron-transport layer in a light-emitting element. The triarylamine compound can also be used as a host material with a light-emitting material which emits relatively short-wavelength light, in a structure where the host material and the guest material constitute a light-emitting layer. The triarylamine compound of the present invention is a fluorescent compound and therefore can also be used as a light-emitting substance of a light-emitting layer. A light-emitting element having high emission efficiency is provided. A light-emitting device, an electronic device, or a lighting device having low power consumption is provided.

Organic light-emitting device

Aspects of the present invention provide a blue organic light-emitting device having a continuous operation lifetime. An organic light-emitting device includes a light-emitting layer containing a dopant having the ability to trap electrons or holes, and a hole-blocking layer or electron-blocking layer, in which the difference between the LUMO of the dopant and the LUMO of a host material, the size relationship between the HOMO of the host material and the HOMO of the dopant, and the difference between the T1 of the host material and the T1 of the hole-blocking layer or between the T1 of the host material and the T1 of the electron-blocking layer, are specified.

Polymer compound and polymer light emitting device using the same

A polymer compound containing a structure of the following formula (B): —Ar—  (A) (wherein, Ar represents an arylene group, divalent heterocyclic group, divalent aromatic amine group or divalent group having a metal complex structure.) (wherein, A ring and B ring represent each independently an aromatic ring optionally having a substituent. X 1 represents —C(═O)—, —S(═O)—, —S(═O) 2 —, —P(═O)(R 1 )—, —C(R 1 )(R 2 )—, —C(R 2 )(R 2 )—, —B(R 1 )—, —N(R 1 )— or —Si(R 1 )(R 1 )—. R* represents a hydrogen atom or monovalent or divalent group, R 1 represents a hydrogen atom or monovalent group, and R 2 represents a monovalent group having a hetero atom. When R 1 and R 2 are present each in plural number, they may be the same or different.).

Host materials for phosphorescent oleds

Novel aryl silicon and aryl germanium host materials are described. These compounds improve OLED device performance when used as hosts in the emissive layer of the OLED.

Organometallic compound and organic electroluminescence device employing the same

Organometallic compounds and organic electroluminescence devices employing the same are provided. The organometallic compound has a chemical structure represented below: wherein, X is C—H or N, Y is CH 2 or NH; R 1 is H, or C 1-8 alkyl; and A 1 is acetylacetone ligand, acetylacetone with phenyl group ligand, or derivatives thereof.

Novel Use of the Guanidinium Cation and Light-Emitting Component

The invention relates to a use of the guanidinium cation and to a light-emitting component. This invention for the first time describes matrix materials and emitters for uses in organic electrochemical light-emitting cells containing a guanidinium cation unit. Guanidinium groups as a cationic system promise a wide electrochemical window and hence stable components. The route to guanidinium systems is described in detail in the literature.

Novel naphthothiophene compound and organic light-emitting device including the same

The present invention provides a novel naphthothiophene compound having a high lowest excited triplet level (T1).

Process of producing organic electroluminescence element composition, organic electroluminescence element composition, process of producing organic electroluminescence element, organic electroluminescence element, organic el display device and organic el lighting

To provide a process of producing an organic electroluminescence element having a high current efficiency and a long drive life by a wet film formation process. The present invention relates to a process of producing an organic electroluminescence element composition, comprising a filtration step of filtering a solution containing an organic electroluminescence element material and a solvent, wherein the composition is obtained after a time-elapsing step wherein 8 hours or more elapses after the filtration step, and the composition is used for a wet film formation of an organic layer in an organic electroluminescence element.

Compound for electroluminescent device and organic electroluminescent devices using the same

The present invention provides a compound of formula (I) for an organic electroluminescent device: wherein X 1 , X 2 , X 3 , Y, Ar 1 , Ar 2 , Ar 3 , Ar 4 , Ar 5 , Ar 6 , and Ar 7 are as defined in the description.

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.

Organic electroluminescent element

An organic electroluminescence device, including: an anode; a cathode opposed to the anode; and a first emitting layer and a second emitting layer between the anode and the cathode in this sequence from the anode, wherein: the first emitting layer and the second emitting layer each include a host and a phosphorescent dopant; the host of the first emitting layer and the host of the second emitting layer each have a triplet energy of 2.8 eV or more; the host of the first emitting layer has an ionization potential of 5.5 eV or less; and an affinity Af 1 of the host of the first emitting layer is smaller than an affinity Af 2 of the host of the second emitting layer.

Materials for electronic devices

The present invention relates to an electronic device comprising anode, cathode and at least one organic layer which comprises a compound of the formula (I) to (IV). The invention furthermore encompasses the use of compounds of the formula (I) to (IV) in an electronic device and to a compound of the formula (Ic) to (IVc).

Novel organic compound and organic light-emitting device including the same

The present invention provides a blue or green phosphorescent organic electroluminescent device which has high luminous efficiency. An organic electroluminescent device includes a light-emitting layer containing a pyrroloindole compound represented by general formula (1) below. In general formula (1), X represents a substituted or unsubstituted arylene group, Ar 1 and Ar 2 each represent a substituted or unsubstituted aryl group, and R 1 to R 8 each represent a hydrogen atom or an alkyl group having 1 to 2 carbon atoms.

Composition, and film, charge transporting layer, organic electroluminescence device using the composition, and method for forming charge transporting layer

Provided are a composition useful for manufacturing an organic electroluminescence device that has improved efficiency and durability in an organic electroluminescence device in which a siloxane polymer is used as a material for organic electroluminescence device, the composition including (A) a siloxane polymer having a charge transporting moiety at a side chain thereof, (B) at least one crosslinking agent, and (C) a solvent, a film, a charge transporting layer, and an organic electroluminescence device which use the composition, and a method for forming a charge transporting layer.

Organic light-emitting device, method of manufacturing the same, and flat panel display device including the same

An organic light-emitting device including: a substrate; a first electrode; a second electrode; an emission layer between the first electrode and the second electrode; and an electron transport layer between the emission layer and the second electrode, wherein the emission layer includes a blue emission layer, the electron transport layer includes a unit that includes a first single layer including a first material, a first mixed layer on the first single layer and including the first material and a second material, a second single layer on the first mixed layer and including the second material, a second mixed layer on the second single layer and including the first and second materials, and a third single layer on the second mixed layer and including the first material, wherein the first mixed layer has a thickness that is larger than that of the second mixed layer.

Organic light-emitting display panel and manufacturing method

Embodiments of the invention provide an organic light-emitting display (OLED) panel and a manufacturing method for the OLED panel, which comprises providing a substrate comprising a first electrode layer which comprises a plurality of first electrodes spaced apart from each other, forming an insulating layer on the substrate, etching off the insulating layer over the first electrodes by a photolithography process to form a pattern of sub-pixel depositing areas and forming organic light-emitting layers for desired colors within the sub-pixel depositing areas, and forming a second electrode layer on the insulating layer and the organic light-emitting layers. Embodiments of the invention can exactly prepare the organic light-emitting layers to improve yield.

Polymers containing structural units which have electron-transport properties

The present invention relates to a polymer which contains at least one structural unit which has electron-transport properties, to processes for the preparation thereof and to mixtures (blends), solutions and formulations which comprise these polymers. Furthermore, the present invention relates to the use of these polymers in electronic devices, in particular in organic electro-luminescent devices, so-called OLEDs (OLED=organic light emitting diodes), and to these organic electroluminescent devices themselves. The polymers according to the invention exhibit improved efficiency, in particular on use in OLEDs.

Organic luminescent material and organic electroluminescent apparatus

An organic luminescent material includes a host luminescent material and a guest luminescent material. The host luminescent material includes a compound represented by formula (1), where n is 0˜8; R 2 and R 3 respectively represent H, CF 3 , CN, CH 3 or C 5 H 11 ; R 1 is CH 3 or one of substituents shown as follows:

Heterocyclic Compound and Light-Emitting Element, Light-Emitting Device, Lighting Device, and Electronic Device Using the Same

To provide a novel heterocyclic compound having a bipolar property. To improve element characteristics of a light-emitting element by application of the novel heterocyclic compound to the light-emitting element. A heterocyclic compound represented by a general formula (G1) and a light-emitting element formed using the heterocyclic compound represented by the general formula (G1) are provided. When the heterocyclic compound represented by the general formula (G1) is used for the light-emitting element, the characteristics of the light-emitting element can be improved.

Polymers having carbazole structural units

The present invention relates to polymers which contain at least one carbazole structural unit of the general formula (I) where Ar1, Ar2, Ar3 is each, independently of one another, an aryl or heteroaryl group, which may be substituted by one or more radicals R of any desired type; m, o is, independently of one another, 0 or 1; n is 1, 2 or 3 and the dashed lines represent the linking in the polymer; and at least one arylamine structural unit of the general formula (II) and/or (III) where Ar4, Ar5, Ar7, Ar8 is each, inde pendently of one another, an aryl or heteroaryl group, which may be substituted by one or more radicals R of any desired type; Ar6 is an aryl or heteroaryl group, which may be substituted by one or more radicals R of any desired type, or represents a group of the formula Ar9-Y—Ar9, where Ar9 is in each case, independently, an aryl or heteroaryl group, which is substituted by one or more radi

Bicarbazole compounds for oleds

Novel organic compounds comprising a bicarbazole core are provided. In particular, the compounds has a 3,3′-bicarbazole core substituted at the 9-position with a triazine or pyrimidine. The compounds may be used in organic light emitting devices to provide devices having improved efficiency and improved lifetime.

Tandem White Organic Light Emitting Device

A tandem white organic light emitting device with improved efficiency, voltage and lifetime includes a first electrode and a second electrode opposing each other, a charge generation layer formed between the first electrode and the second electrode, a first stack disposed between the first electrode and the charge generation layer, the first stack including a first light emitting layer emitting blue light, and a second stack disposed between the charge generation layer and the second electrode, the second stack including a second light emitting layer including one or more hosts doped with a phosphorescent dopant emitting light having a longer wavelength than blue light, wherein the charge generation layer includes an n-type charge generation layer doped with a metal and a p-type charge generation layer made of an organic material.

Organic light emitting device

Discussed is an organic light emitting device that exhibits improved efficiency and driving voltage by applying a novel material facilitating charge generation to a charge generation layer. The charge generation layer contains a compound represented by the following formulae: wherein R1, R2, R3, R4, R5, R6, R7 and R8 are optionally substituted and are independently selected from an aromatic group having 6 to 20 carbon atoms, and R9 and R10 are independently selected from hydrogen, an optionally substituted aromatic ring having 6 to 20 carbon atoms and an optionally substituted heterocyclic compound having 3 to 17 carbon atoms and one or more elements of N, S and P.

Organic light-emitting devices and light source systems

The present invention provides an organic light-emitting device including a first electrode ( 101 ), a second electrode ( 102 ), organic multi-layers ( 105, 115 ) in which the organic multi-layers ( 105, 115 ) is formed between the first electrode ( 101 ) and the second electrode ( 102 ) and has a hole blocking layer ( 16 ), an emission layer ( 15 ), and an electron blocking layer ( 14 ), and the emission layer 15 is interposed between the hole blocking layer ( 16 ) and the electron blocking layer ( 14 ), a first light-emitting dopant is added to the hole blocking layer ( 16 ), a second light-emitting dopant is added to the emission layer ( 15 ), a third light-emitting dopant is added to the electron blocking layer ( 14 ), and the first light-emitting dopant and the third light-emitting dopant trap carriers penetrating the emission layer. According to the invention, the emission layer can emit light at high efficiency and deterioration of the emission layer can be suppressed.

Novel transition metal complexes and use thereof in organic light-emitting diodes v

Metal complexes comprising at least one polycyclic aromatic ligand and bearing at least one deuterium atom, an organic light-emitting diode comprising at least one inventive metal complex, a light-emitting layer comprising at least one inventive metal complex, an organic light-emitting diode comprising at least one inventive light-emitting layer, the use of the at least one inventive metal complex in organic light-emitting diodes, and a device selected from the group consisting of stationary visual display units such as visual display units of computers, televisions, visual display units in printers, kitchen appliances and advertising panels, illuminations, information panels and mobile visual display units such as visual display units in cellphones, laptops, digital cameras, vehicles, and destination displays on buses and trains, comprising at least one inventive organic light-emitting diode.

Electroluminescent Element and Light-Emitting Device

An electroluminescent element which can easily control the balance of color in white emission (white balance) is provided according to the present invention. The electroluminescent element comprises a first light-emitting layer containing one kind or two or more kinds of light-emitting materials, and a second light-emitting layer containing two kinds of light-emitting materials (a host material and a phosphorescent material) in which the phosphorescent material is doped at a concentration of from 10 to 40 wt %, preferably, from 12.5 to 20 wt %. Consequently, blue emission can be obtained from the first light-emitting layer and green and red (or orange) emission can be obtained from the second light-emitting layer. An electroluminescent element having such device configuration can easily control white balance since emission peak intensity changes at the same rate in case of increasing a current density.

Chrysene derivative materials

There is provided an electroluminescent composition. The composition includes a material having Formula I In Formula I: R 1 is the same or different at each occurrence and is selected from D, alkyl, alkoxy, silyl, and siloxane, or adjacent R 1 groups may be joined together to form a 5- or 6-membered aliphatic ring; Ar 1 and Ar 2 are the same or different and are aryl groups; a is an integer from 0 to 6; b is an integer from 0 to 2; and c is an integer from 0 to 3.

Organic el device and anthracene derivative

An organic EL device includes: an anode for injecting holes; a phosphorescent-emitting layer; a fluorescent-emitting layer; and a cathode for injecting electrons. The phosphorescent-emitting layer contains a phosphorescent host and a phosphorescent dopant for phosphorescent emission. The fluorescent-emitting layer contains a fluorescent host and a fluorescent dopant for fluorescent emission. The fluorescent host is at least one of an asymmetric anthracene derivative represented by a formula (1) below and a pyrene derivative represented by a formula (2) below.

Organic electroluminescence display device and method for driving the same

In an organic electroluminescence display device ( 30 ) comprising an organic EL element ( 26 ) having a structure wherein an organic luminescent medium ( 24 ) is sandwiched between a top electrode ( 20 ) and a bottom electrode ( 22 ), and a driving circuit ( 14 ) for driving the organic EL element ( 26 ), the organic luminescent medium ( 24 ) comprises a host compound and a triplet-related luminous compound and the driving circuit ( 14 ) applies a electric pulse voltage or pulse current having a frequency of 30 Hz or more and a duty ratio of 1/5 or less. In this way, it is possible to provide an organic EL display device which consumes a low electric power and has a long luminous life span, and a method for driving the same.

Formulations for organic electroluminescent devices

The present invention relates to a formulation, in particular for use in organic electroluminescent devices, comprising a carbazole compound, an electron-transport compound, a triplet emitter compound and at least one solvent, where the electron-transport compound encompasses a ketone compound or a triazine compound and where the carbazole compound contains at least two carbazole groups whose N atoms are connected to one another via an aromatic or heteroaromatic ring system. The invention is furthermore directed to organic electro-luminescent devices which comprise the mixtures according to the invention.

Method for producing complex of trisortho-metalated iridium, light-emitting material using said complex, and light-emitting element

A method for obtaining, with high selectivity as compared to a conventional method of mixing reaction substrates and thereafter reacting the mixture under heating, a facial isomer of tris-orthometallated iridium that is suitably used particularly as an organic electroluminescence device material, among complexes of tris-orthometallated iridium. The method for producing a complex of tris-orthometallated iridium according to the present disclosure includes, in order, a step (1) of preliminarily heating at least one of the complex of orthometallated iridium or the bidentate organic ligand; a step (2) of mixing the complex of orthometallated iridium and the bidentate organic ligand; and a step (3) of reacting the complex of orthometallated iridium and the bidentate organic ligand.

Organic electroluminescent element

Provided is an organic electroluminescent device (EL device) that uses an indolocarbazole compound. The organic EL device includes an anode, a plurality of organic layers including a phosphorescent light-emitting layer, and a cathode laminated on a substrate, in which at least one organic layer selected from the phosphorescent light-emitting layer, a hole-transporting layer, an electron-transporting layer, and a hole-blocking layer contains an indolocarbazole compound represented by the general formula (1). In the general formula (1), a ring I and a ring II represent rings represented by the formula (1a) and the formula (1b), respectively, each of which are fused to an adjacent ring. X's each represent nitrogen or C—Y and at least one of X's represents nitrogen. Y's each represent hydrogen, an alkyl group, a cycloalkyl group, or an aromatic group. A represents an alkyl group, a cycloalkyl group, or an aromatic group. At least one of Y and A represents an alkyl group or a cycloalkyl group. R's each represent hydrogen, an alkyl group, a cycloalkyl group, an aromatic hydrocarbon group, or an aromatic heterocyclic group.

Monoamine compound, charge-transporting material, and organic electroluminescent device

The present invention provides an organic electroluminescent device exhibiting a long life, a high luminance, and a high efficiency. An organic electroluminescent device comprising on a substrate an anode, a hole transport layer, an organic light-emitting layer, and a cathode, wherein the organic light-emitting layer contains an organic compound having a pyridine ring, a pyrazine ring, or a triazine ring as a partial structure and the hole transport layer contains a monoamine compound represented by the following formula (I): wherein R 1 to R 9 represent a hydrogen atom, an aryl group, or an alkyl group; R 1 to R 9 may be the same or different from each other; and R 1 to R 9 may further have an aryl group or an alkyl group as a substituent in the case where R 1 to R 9 are an aryl group or an alkyl group.

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

An object is to provide a light-emitting element which exhibits light emission with high luminance and can be driven at low voltage. Another object is to provide a light-emitting device or an electronic device with reduced power consumption. Between an anode and a cathode, n (n is a natural number of two or more) EL layers are provided, where between a first EL layer and a second EL layer, a first layer containing any of an alkali metal, an alkaline earth metal, a rare earth metal, an alkali metal compound, an alkaline earth metal compound, and a rare earth metal compound, a second layer containing a material having a high electron-transporting property in contact with the first layer, and a region containing a material having a high hole-transporting property and an acceptor material in contact with the second layer are provided in this order from the anode side.

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

A light-emitting element having high external quantum efficiency is provided. A light-emitting element having a long lifetime is provided. A light-emitting element includes a light-emitting layer between a pair of electrodes. The light-emitting layer contains at least a phosphorescent compound, a first organic compound (host material) having an electron-transport property, and a second organic compound (assist material) having a hole-transport property. The light-emitting layer has a stacked-layer structure including a first light-emitting layer and a second light-emitting layer, and the first light-emitting layer contains a higher proportion of the second organic compound than the second light-emitting layer. In the light-emitting layer (the first light-emitting layer and the second light-emitting layer), a combination of the first organic compound and the second organic compound forms an exciplex.

Organic electroluminescence device

An organic electroluminescence device including opposite anode and cathode, and a hole-transporting region, an emitting layer and an electron-transporting region in sequential order from the anode between the anode and the cathode, wherein the emitting layer includes a red emitting portion, a green emitting portion, and a blue emitting portion; the blue emitting portion includes a host BH and a fluorescent dopant FBD; the triplet energy E T fbd of the fluorescent dopant FBD is larger than the triplet energy E T bh of the host BH; the green emitting portion includes a host GH and a phosphorescent dopant PGD; the electron-transporting region includes a common electron-transporting layer adjacent to the red emitting portion, the green emitting portion and the blue emitting portion; the common electron-transporting layer includes a material having a triplet energy E T el larger than E T bh ; and the difference between the affinity of the host GH and the affinity of the material constituting the common electron-transporting layer is 0.4 eV or less.

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

A light-emitting element which has low driving voltage and high emission efficiency is provided. The light-emitting element includes, between a pair of electrodes, a hole-transport layer and a light-emitting layer over the hole-transport layer. The light-emitting layer contains a first organic compound having an electron-transport property, a second organic compound having a hole-transport property, and a light-emitting third organic compound converting triplet excitation energy into light emission. A combination of the first organic compound and the second organic compound forms an exciplex. The hole-transport layer contains at least a fourth organic compound whose HOMO level is lower than or equal to that of the second organic compound and a fifth organic compound whose HOMO level is higher than that of the second organic compound.

Organic Electroluminescent Element and Manufacturing Method Thereof, and Phosphorus-Containing Organic Compound and Manufacturing Method Thereof

An organic electroluminescent element comprising an anode, a cathode and a plurality of organic compound layers sandwiched between the anode and cathode, the organic compound layers including: a hole-transporting layer made of an organic compound insoluble in alcohols; and an electron-transporting layer formed on the hole-transporting layer by a wet method, the electron-transporting layer being made of a phosphorus-containing organic compound soluble in the alcohols.

Organic Electroluminescent Element

Disclosed is an organic electroluminescent element which is excellent with respect to luminous efficiency and driving voltage and rarely undergoes initial luminance drop. Specifically disclosed is an organic electroluminescent element which comprises, on a substrate, a pair of electrodes composed of an anode and a cathode and a light-emitting layer arranged between the electrodes, and additionally comprises at least one organic layer arranged between the light-emitting layer and the cathode, where in the light-emitting layer contains, for example, a compound (A-1), and the at least one layer arranged between the light-emitting layer and the cathode contains, for example, a compound (e-4).

Organic electroluminescence device

An organic electroluminescence device 1 includes: an anode 3 , a cathode 4 opposed to the anode 3 and an emitting layer 5 provided between the anode 3 and the cathode 4 . The emitting layer 5 contains first and second host materials and a luminescent material. The first host material has a partial structure represented by at least one of the following formulae (1) and (2) while the second host material has a partial structure represented by the following formula (3). Az represents a substituted or unsubstituted aromatic heterocyclic group containing a nitrogen-containing six-membered ring. W CN is an aromatic hydrocarbon group substituted by at least one cyano group (CN) or an aromatic heterocyclic group substituted by at least one cyano group (CN). Ar 1 is a substituted or unsubstituted aromatic hydrocarbon group or a substituted or unsubstituted aromatic heterocyclic group, but is not an aromatic heterocyclic group containing a nitrogen-containing six-membered ring. -Az-(W CN ) p   (1) -Az-(CN) q   (2) —Ar 1 —(CN) r   (3)

Iridium complex with methyl-d3 substitution

Novel organic compounds comprising ligands with deuterium substitution are provided. In particular, the compound is an iridium complex comprising methyl-d 3 substituted ligands. The compounds may be used in organic light emitting devices to provide devices having improved color, efficiency and lifetime.

Organic Material, Light-Emitting Element, Light-Emitting Device, Electronic Appliance, and Lighting Device

A novel organic material with fewer impurities, a light-emitting element including the organic material, and a light-emitting device, an electronic appliance, and a lighting device each of which includes the light-emitting element are provided. The organic material is obtained by coupling an aryl halide and an aryl boronic acid or an aryl boronic acid ester. The aryl boronic acid or the aryl boronic acid ester includes at least one of a first impurity in which a boryl group of the aryl boronic acid or the aryl boronic acid ester is substituted by hydrogen and a second impurity in which a molecular mass of 16 or 17 is added to the molecular mass of the first impurity. The concentration of an impurity other than the first impurity and the second impurity is 1% or lower.

Binuclear metal complex, and organic electroluminescence element comprising same

A novel binuclear metal complex containing a biimidazole as a bridging ligand. The binuclear metal complex can be used as a material for an organic electroluminescence element.

Organic electroluminescent element, display device and lighting device

Disclosed is an organic electroluminescent device having long life, while exhibiting high luminous efficiency. Also disclosed are an illuminating device and a display, each using such an organic electroluminescent device. In the organic electroluminescent device, a compound represented by the general formula (A) which is suitable as a host material for a phosphorescent metal complex is used at least in one sublayer of a light-emitting layer.

Organic Light-Emitting Component and Use of a Copper Complex in a Charge Transport Layer

An organic light-emitting component has an active layer for emitting electromagnetic radiation. It also has an anode and an organic charge transport layer, arranged between the active layer and the anode, for transporting charge carriers from the anode to the active layer. The anode can be used to decouple electromagnetic radiation emitted by the active layer from the organic light-emitting component. The organic charge transport layer comprises a copper complex which has at least one ligand with the chemical structure as per a formula I.

Phosphorescent materials

Novel organic compounds containing a twisted aryl group are provided. In particular, the compounds provided contain a 2-phenylpyridine ligand having a twisted aryl group on the pyridine portion of the ligand. The compounds may be used in organic light emitting devices, particularly as emitting dopants. Devices comprising the compounds containing twisted aryl may demonstrate improved color, efficiency, stability and manufacturing. Additionally, methods are provided for making homoleptic Ir (III) compounds which may contain a twisted aryl.

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

A light-emitting element with high heat resistance and high emission efficiency is provided. A novel heterocyclic compound that can be used in such a light-emitting element is provided. One embodiment of the present invention is a light-emitting element which includes, between a pair of electrodes, a layer containing a first organic compound, a second organic compound, and a light-emitting substance; the first organic compound includes one pyrimidine ring and one ring with a hole-transport skeleton; the second organic compound is an aromatic amine; and the light-emitting substance converts triplet excitation energy into light. A combination of the first organic compound, which includes the one pyrimidine ring and the one ring with the hole-transport skeleton, and the second organic compound, which is the aromatic amine, forms an exciplex.

Material for an organic optoelectronic device, organic light emitting diode including the same, and display device including the organic light emitting diode

A material for an organic optoelectronic device, an organic light emitting diode including the same, and a display device including the organic light emitting diode, the material including at least one compound represented by the following Chemical Formula A-1; and at least one compound represented by the following Chemical Formula B-1:

Biscarbazole derivative and organic electroluminescent element using same

A biscarbazole derivative having a specific group, which is represented by formula (1): and an organic electroluminescence device in which a plurality of organic thin-film layers including a light emitting layer are disposed between a cathode and an anode, and at least one of the organic thin-film layers include the biscarbazole derivative. The organic electroluminescence device exhibits high emission efficiency and has a long lifetime. In formula (1), each of A 1 and A 2 independently represents a substituted or unsubstituted aromatic hydrocarbon group having 6 to 30 ring carbon atoms; each of Y 1 to Y 16 independently represents C(R) or a nitrogen atom; each of R groups independently represents a hydrogen atom, etc.; and each of L 1 and L 2 independently represents a single bond, etc.; provided that at least one of A 1 , A 2 and R represents a substituted or unsubstituted fluoranthenyl group, etc.

Compound for organic optoelectronic device and organic light emitting diode including the same

A compound for an organic optoelectronic device is represented by the following Chemical Formula 1:

Phosphorescent emitters with phenylimidazole ligands

Phosphorescent materials are provided, where the materials comprise a coordination compound having at least one ligand L 3 having Formula (I): wherein A and B are each independently a 5-membered or 6-membered carbocyclic or heterocyclic ring; wherein R A , R B , R C , and R D each represent mono, di, tri, tetra substitutions, or no substitution; wherein Z 1 , Z 2 , Z 3 , Z 4 , Z 5 , Z 6 , Z 7 , and Z 8 are each selected from N or C; wherein at least one of Z 1 , Z 2 , Z 3 , Z 4 , Z 5 , Z 6 , Z 7 , and Z 8 is N; wherein one of Z 1 , Z 2 , Z 3 , and Z 4 is C that is bonded to N of A; wherein Z is selected from the group consisting of BR, NR, PR, O, S, Se, C═O, S═O, SO 2 , CRR′, SiRR′, and GeRR′; wherein R, R′, R A , R B , R C , and R D are described herein; wherein L 3 is coordinated to a metal M 1 ; and wherein L 3 may be linked with other ligands to comprise a tridentate, tetradentate, pentadentate, or hexadentate ligand. Devices, such as organic light emitting devices, comprising such compounds are also provided.

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

A light-emitting element having high external quantum efficiency is provided. A light-emitting element having a long lifetime is provided. A light-emitting layer is provided between a pair of electrodes. The light-emitting layer is a stack of a first light-emitting layer, which contains a first phosphorescent compound, a first organic compound having an electron-transport property, and a second organic compound having a hole-transport property and is provided on the anode side, and a second light-emitting layer, which contains at least a second phosphorescent compound and the first organic compound having an electron-transport property. A combination of the first organic compound and the second organic compound forms an exciplex.

Novel compounds for organic electronic material and organic electroluminescent device using the same

The present invention relates to a novel compound and an organic electroluminescent device containing the same. The compound according to the present invention can manufacture an organic electroluminescent device which has high luminous efficiency and a long operation lifetime.

Organic electroluminescent element, display device and lighting device

Disclosed is an organic electroluminescent device having high external quantum efficiency and long life. Also disclosed are an illuminating device and a display device. The organic electroluminescent device is characterized by containing at least one compound having a partial structure represented by the following general formula (1). [chemical formula 1] (l) In the formula, R 1 represents a group (preferably an aromatic hydrocarbon group, an aromatic heterocyclic group, an alkyl group or an alkoxy group) having 4-20 carbon atoms in total and a substituent having a formula weight or 70-350 (preferably an alkyl group or an alkoxy group): R 2 R 4 independently represent a substituent; n2 represents a number of 0-4; n3 represents a number of 0-2; n4 represents a number of 0-8; and Q represents an atomic group necessary for forming an aromatic hydrocarbon ring or an aromatic heterocyclic ring.

Compound, organic electroluminescent device material, organic electroluminescent device, and electronic equipment

Disclosed are a compound having, as a main skeleton, a polycyclic structure represented by the following general formula (1), a material for organic electroluminescence devices including the compound, an organic electroluminescence device using the compound, and electronic equipment having the organic electroluminescence device mounted thereon. A compound capable of realizing an organic EL device with high emission efficiency, a material for organic electroluminescence devices including the compound, an organic electroluminescence device using the compound, and electronic equipment having the organic electroluminescence device mounted thereon, are provided. In the formula (1), A, L, X 1 to X 16 , R, R A , and R B are those defined in the specification.

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.

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)

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.

Heteroleptic light-emitting complexes

Heteroleptic light emitting complexes having the general formula M(L 1 ) n (L 2 ) m , wherein a) L 1 has the formula E1-E2, wherein E1 is a 6-membered heteroaryl ring bound to the metal atom M by a dative bond and containing at least one donor hetero atom and E2 is bound to the metal atom by covalent or dative bonds and is selected from the group consisting of substituted or unsubstituted C 5 -C 30 aryl and substituted or un-substituted C 2 -C 30 heteroaryl groups, b) ligand L 2 is selected from the group consisting of 1-(2,6 disubstituted phenyl)-2-phenyl-1H-imidazole ligands or 5-(2,6 disubstituted phenyl)-1-phenyl-1H-pyrazole ligands, and c) M is a non-radioactive transition metal with an atomic number of at least 40 and the sum of m and n is equal to half of the bond valency of metal M

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.

Electroluminescence from a plurality of electroluminescent zones in a laterally separated arrangement

A white light emitting device having an anode and a cathode and therebetween an organic electroluminescent layer which emits white light on the provision of a current between the anode and the cathode, said organic electroluminescent layer comprising a plurality of electroluminescent zones in laterally separated arrangement, the first of said electroluminescent zones comprising a first polymer and the second of said electroluminescent zones comprising a second polymer, wherein the first polymer comprises a fluorescent blue light emitting species and the second polymer comprises a fluorescent green light emitting species, said first and/or second zones further comprising a phosphorescent red light emitting species, such that together with the blue emitting species results in the emission of white light, said first and second polymers being physically incompatible so that separation of the zones pertains.

Organic electroluminescence device and manufacturing method thereof

In an organic electroluminescence device ( 100 ), a hole transport layer ( 22 ) is formed of a cured resin obtained by a ring opening polymerization of a polymerizable compound (a) containing a ring opening polymerizable group in the presence of a polymerization initiator (b). In addition, both of a maximum peak height Rp and a maximum valley depth Rv in an upper surface of the hole transport layer ( 22 ) are less than or equal to 14 nm. Accordingly, an organic electroluminescence device having excellent mass productivity and high luminescent efficiency is realized.

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.

Metal Complexes of Cyclometallated Imidazo[1,2-f]phenanthridine and Diimidazo[1,2-a:1',2'-c]quinazoline Ligands and Isoelectronic and Benzannulated Analogs Thereof

Compounds comprising phosphorescent metal complexes comprising cyclometallated imidazo[1,2-f]phenanthridine and diimidazo[1,2-a:1′,2′-c]quinazoline ligands, or isoelectronic or benzannulated analogs thereof, are described. Organic light emitting diode devices comprising these compounds are also described.

Organic electroluminescent materials and devices

A compound is disclosed that includes a ligand L A of Formula I where ring C is a 5-membered or a 6-membered carbocyclic or heterocyclic ring; each R A , R B , and R C independently represents mono to the maximum allowable number of substitutions, or no substitution; L A is complexed to a metal M; M is optionally coordinated to other ligands; the ligand L A is optionally linked with other ligands to comprise a tridentate, tetradentate, pentadentate, or hexadentate ligand; and any two substituents of R B and R C may be joined or fused together to form a ring.

Organic light emitting device and organic light emitting display device using the same

Disclosed is a an organic light emitting device including a first electrode and a second electrode; and an organic layer formed between the first electrode and the second electrode, in which the organic layer includes a compound represented by Formula 1 and the second electrode is a double-layer structure comprised of LiF:Mg. Accordingly, an organic light emitting device which has excellent voltage efficiency and emission efficiency and may improve service-life characteristics, and an organic light emitting display device using the same may be provided.

Organic electroluminescent materials and devices

Novel heteroleptic iridium carbene complexes are provided. The complexes have lower-than expected sublimation temperatures, which is beneficial for the processing of these materials in solid state applications. Selective substitution of the ligands provides for phosphorescent compounds that are suitable for use in a variety of OLED devices. The carbene complexes can also be used as materials in a hole blocking layer and/or an electron transport layer to improve device performance.

Organic light-emitting device

An electronic apparatus comprising: a substrate; an organic light-emitting device disposed on the substrate; and a thin film encapsulation portion sealing the organic light-emitting device and comprising at least one organic film, wherein the organic film comprises a cured product of a composition for forming an organic film, the composition comprising a curable material and an ultraviolet (UV) absorber, wherein the curable material comprises a (meth)acrylate compound, and the organic light-emitting device that includes a first electrode, a second electrode facing the first electrode, an emission layer between the first electrode and the second electrode, and a hole transport region between the first electrode and the emission layer is presented. The emission layer includes a first compound represented by Formula 1, and the hole transport region includes a second compound represented by Formula 2:

Film production method

A method of producing a film having excellent external quantum efficiency when used in a light emitting layer of a light emitting device is provided. A method of film production includes preparing an ink containing a specific metal complex, storing the ink for 3 days or more under light shielding, and forming a film by using the stored ink. The total content of metal complexes having a molecular weight larger by 16, 32 or 48 than that of the specific metal complex according to an area percentage value determined by liquid chromatography is 0.6 or less when the content of the specific metal complex is taken as 100.

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

A multicolor light-emitting element using fluorescence and phosphorescence, which has a small number of manufacturing steps owing to a relatively small number of layers to be formed and is advantageous for practical application can be provided. In addition, a multicolor light-emitting element using fluorescence and phosphorescence, which has favorable emission efficiency is provided. A light-emitting element which includes a light-emitting layer having a stacked-layer structure of a first light-emitting layer exhibiting light emission from a first exciplex and a second light-emitting layer exhibiting phosphorescence is provided.

Organic electroluminescent materials and devices

A composition comprising a first compound and a second compound is described. The composition can be a mixture of a first compound having a structure according to Formula I, and a second compound having a structure according to Formula II, The composition can also be a mixture of a first compound having a structure according to Formula III, and a second compound having a structure according to Formula IV, Devices, such as OLEDs, that include the compositions for Formulas I & II or Formulas III & IV, as well as, methods of making the same are also described.

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

To provide a light-emitting element with an improved reliability, a light-emitting element with a high current efficiency (or a high quantum efficiency), and a novel dibenzo[f,h]quinoxaline derivative that is favorably used in a light-emitting element which is one embodiment of the present invention. A light-emitting element includes an EL layer between an anode and a cathode. The EL layer includes a light-emitting layer; the light-emitting layer contains a first organic compound having an electron-transport property and a hole-transport property, a second organic compound having a hole-transport property, and a light-emitting substance; the combination of the first organic compound and the second organic compound forms an exciplex; the HOMO level of the first organic compound is lower than the HOMO level of the second organic compound; and a difference between the HOMO level of the first organic compound and the HOMO level of the second organic compound is less than or equal to 0.4 eV.