公开(公告)号：US10991896B2

公开(公告)日：2021-04-27

申请号：US16129152

申请日：2018-09-12

Applicant: UNIVERSAL DISPLAY CORPORATION

Inventor： Pierre-Luc T. Boudreault ,  Alexey Dyatkin ,  David Zenan Li ,  Scott Joseph ,  Chuanjun Xia ,  Hitoshi Yamamoto ,  Michael S. Weaver ,  Bert Alleyne ,  James Fiordeliso

IPC: H01L51/50 ,  H01L51/00 ,  C09K11/06 ,  C07F15/00 ,  H01L51/54 ,  H01L51/52

Abstract: 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.

公开(公告)号：US20200335702A1

公开(公告)日：2020-10-22

申请号：US16919659

申请日：2020-07-02

Applicant: Universal Display Corporation

Inventor： Vadim ADAMOVICH ,  Hitoshi Yamamoto ,  Ting-Chih Wang ,  Michael S. Weaver ,  Chuanjun Xia ,  Bert Alleyne ,  Pierre-Luc T. Boudreault ,  Alexey Borisovich Dyatkin ,  Scott Joseph

IPC: H01L51/00 ,  C07F15/00 ,  C07D403/04 ,  C07D403/10 ,  C07D471/04 ,  H01L51/50 ,  C07D215/06 ,  C07D401/04 ,  C07D403/14 ,  C07D487/04 ,  C07D491/048 ,  C07D495/04 ,  C07D213/06 ,  C07D213/22 ,  C07D213/26 ,  H01L51/56

Abstract: A composition formed of a mixture of two compounds having similar thermal evaporation properties that are pre-mixed into an evaporation source that can be used to co-evaporate the two compounds into an emission layer in OLEDs via vacuum thermal evaporation process is disclosed.

公开(公告)号：US10199581B2

公开(公告)日：2019-02-05

申请号：US13932508

申请日：2013-07-01

Applicant: Universal Display Corporation

Inventor： Pierre-Luc T. Boudreault ,  Alexey Dyatkin ,  David Zenan Li ,  Scott Joseph ,  Chuanjun Xia ,  Hitoshi Yamamoto ,  Michael S. Weaver ,  Bert Alleyne ,  James Fiordeliso

IPC: H01L51/50 ,  H01L51/00 ,  C07F15/00 ,  C09K11/06

Abstract: 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.

公开(公告)号：US20150236276A1

公开(公告)日：2015-08-20

申请号：US14181118

申请日：2014-02-14

Applicant: Universal Display Corporation

Inventor： Pierre-Luc T. BOUDREAULT ,  Alexey Borisovich Dyatkin ,  Chuanjun Xia ,  Scott Joseph ,  David Zenan Ll ,  Hitoshi Yamamoto ,  Michael S. Weaver

IPC: H01L51/00

CPC classification number: H01L51/0085 ,  H01L51/5016

Abstract: The present invention relates to metal complexes having novel ligands. The compounds are useful in organic light emitting devices (OLEDs), particularly as emitting dopants. The incorporation of these novel ligands provides red phosphorescent materials with good external quantum efficiency, good color, and long lifetime.

Abstract translation: 本发明涉及具有新配体的金属络合物。 这些化合物可用于有机发光器件（OLED），特别是用作发射掺杂剂。 这些新型配体的引入提供了具有良好的外部量子效率，良好的颜色和长寿命的红色磷光材料。

公开(公告)号：US20130105777A1

公开(公告)日：2013-05-02

申请号：US13665538

申请日：2012-10-31

Applicant: Universal Display Corporation

Inventor： Vadim Adamovich ,  Hitoshi Yamamoto ,  Michael S. Weaver ,  Julia J. Brown

IPC: H01L51/54 ,  H01L51/56

CPC classification number: H01L51/5028 ,  C09K11/025 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1029 ,  C09K2211/185 ,  H01L51/0052 ,  H01L51/0054 ,  H01L51/0058 ,  H01L51/006 ,  H01L51/0069 ,  H01L51/0072 ,  H01L51/0074 ,  H01L51/0081 ,  H01L51/0085 ,  H01L51/5004 ,  H01L51/5012 ,  H01L51/5016 ,  H01L51/5096 ,  H01L51/5206 ,  H01L51/5221 ,  H01L51/56 ,  H01L2251/5353 ,  H01L2251/5384 ,  H01L2251/552

Abstract: The invention provides a light emitting device, comprising: a first electrode; a second electrode; a light emitting layer disposed between the first electrode and the second electrode, wherein the light emitting layer comprises an emitting material having a first triplet energy level (T1); and an exciton quenching layer disposed between the light emitting layer and the second electrode, wherein the exciton quenching layer comprises a non-emitting quenching material having a second triplet energy level (T1); wherein the exciton quenching layer is disposed adjacent to the light emitting layer; wherein the emitting material emits by phosphorescence or delayed fluorescence; and wherein the first triplet energy level (T1) is higher than the second triplet energy level (T1). Methods of making the same are also provided.

Abstract translation: 本发明提供了一种发光器件，包括：第一电极; 第二电极; 设置在第一电极和第二电极之间的发光层，其中发光层包括具有第一三重态能级（T1）的发射材料; 以及设置在所述发光层和所述第二电极之间的激子淬火层，其中所述激子淬火层包括具有第二三线态能级（T1）的不发射淬火材料。 其中所述激子淬火层邻近所述发光层设置; 其中所述发光材料通过磷光或延迟荧光发射; 并且其中所述第一三重态能级（T1）高于所述第二三线态能级（T1）。 还提供了制备其的方法。

公开(公告)号：US20220020945A1

公开(公告)日：2022-01-20

申请号：US17491646

申请日：2021-10-01

Applicant: Universal Display Corporation

Inventor： Hitoshi Yamamoto ,  Xin Xu ,  Michael S. Weaver ,  Vadim Adamovich

IPC: H01L51/50

Abstract: The present invention relates to OLED devices and stacks for OLED devices that include a symmetric emissive-layer architecture. In one embodiment, the present invention relates to an emissive stack having three layers, wherein the top and bottom layers emit light in the same or similar color region while the middle layer emits light in a different color region than the other two layers. In such an embodiment, the three layers are in contact with each other with no other layers in between. The symmetric emissive-layer architecture of the present invention can be used to improve the color stability of OLED devices.

公开(公告)号：US11024816B2

公开(公告)日：2021-06-01

申请号：US15977094

申请日：2018-05-11

Applicant: Universal Display Corporation

Inventor： Pierre-Luc T. Boudreault ,  Alexey Borisovich Dyatkin ,  Chuanjun Xia ,  Hitoshi Yamamoto

IPC: H01L51/00 ,  C07F15/00 ,  C09K11/06 ,  H01L51/50

Abstract: Compounds having a structure of Formula I, Formula II, or Formula III, devices containing the same, and formulations containing the same are described. In Formulas (I), (II), and (III), X2 to X8 are C or N; at least one of X2 to X8 is N; R1, R2, R3, and R4 are independently alkyl or cycloalkyl; at least one of R1 to R4 has at least two C atoms; R5 is hydrogen, deuterium, alkyl, cycloalkyl, or a combination thereof; R6, R7, and R8 are independently hydrogen, deuterium, alkyl, cycloalkyl, and combinations thereof; and n is 1 or 2.

公开(公告)号：US09590194B2

公开(公告)日：2017-03-07

申请号：US14181118

申请日：2014-02-14

Applicant: Universal Display Corporation

Inventor： Pierre-Luc T. Boudreault ,  Alexey Borisovich Dyatkin ,  Chuanjun Xia ,  Scott Joseph ,  David Zenan Li ,  Hitoshi Yamamoto ,  Michael S. Weaver

IPC: H01L51/00 ,  H01L51/50

CPC classification number: H01L51/0085 ,  H01L51/5016

Abstract: The present invention relates to metal complexes having novel ligands. The compounds are useful in organic light emitting devices (OLEDs), particularly as emitting dopants. The incorporation of these novel ligands provides red phosphorescent materials with good external quantum efficiency, good color, and long lifetime.

Abstract translation: 本发明涉及具有新配体的金属络合物。 这些化合物可用于有机发光器件（OLED），特别是用作发射掺杂剂。 这些新型配体的引入提供了具有良好的外部量子效率，良好的颜色和长寿命的红色磷光材料。

公开(公告)号：US20160181560A1

公开(公告)日：2016-06-23

申请号：US14612361

申请日：2015-02-03

Applicant: Universal Display Corporation

Inventor： Hitoshi Yamamoto ,  Xin Xu ,  Michael S. Weaver

IPC: H01L51/50

CPC classification number: H01L51/504 ,  H01L27/3209 ,  H01L51/0072 ,  H01L51/0085 ,  H01L51/5016 ,  H01L51/5278 ,  H01L2251/5376

Abstract: The present invention relates to OLED devices and stacks for OLED devices that include a symmetric emissive-layer architecture. In one embodiment, the present invention relates to an emissive stack having three layers, wherein the top and bottom layers emit light in the same or similar color region while the middle layer emits light in a different color region than the other two layers. In such an embodiment, the three layers are in contact with each other with no other layers in between. The symmetric emissive-layer architecture of the present invention can be used to improve the color stability of OLED devices.

Abstract translation: 本发明涉及用于OLED器件的OLED器件和叠层，其包括对称发射层结构。 在一个实施例中，本发明涉及具有三层的发射堆叠，其中顶层和底层在相同或相似颜色区域中发光，而中间层发射与其它两层不同颜色区域的光。 在这样的实施例中，三层彼此接触，其间没有其它层。 本发明的对称发射层结构可用于改善OLED器件的颜色稳定性。

公开(公告)号：US09054343B2

公开(公告)日：2015-06-09

申请号：US14151307

申请日：2014-01-09

Applicant: Universal Display Corporation

Inventor： Vadim Adamovich ,  Hitoshi Yamamoto ,  Michael S. Weaver

IPC: H01L51/56 ,  H01L51/50 ,  H01L51/00

CPC classification number: H01L51/56 ,  H01L51/0059 ,  H01L51/006 ,  H01L51/0072 ,  H01L51/0084 ,  H01L51/0085 ,  H01L51/0087 ,  H01L51/0088 ,  H01L51/009 ,  H01L51/0091 ,  H01L51/504

Abstract: A method of fabricating a first device includes providing a first container that contains, in a desired proportion, a first organic emitting material having a first peak wavelength, a second organic emitting material having a second peak wavelength; providing a substrate having a first electrode disposed thereon; depositing an emissive layer over the first electrode, wherein the first container is a source of material for depositing, and wherein the emissive layer has a homogeneous composition and comprises the first and second organic emitting materials in the desired proportion; depositing a second electrode over the first emissive layer, and wherein the second peak wavelength is between 0 and 40 nm greater than the first peak wavelength.

Abstract translation: 一种制造第一装置的方法包括提供一个第一容器，其以期望的比例包含具有第一峰值波长的第一有机发射材料，具有第二峰值波长的第二有机发光材料; 提供其上设置有第一电极的基板; 在所述第一电极上沉积发射层，其中所述第一容器是用于沉积的材料源，并且其中所述发射层具有均匀的组成并且包含所需比例的所述第一和第二有机发射材料; 在第一发射层上沉积第二电极，并且其中第二峰值波长在大于第一峰值波长的0和40nm之间。