公开(公告)号：US10074806B2

公开(公告)日：2018-09-11

申请号：US14253505

申请日：2014-04-15

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

CPC classification number: H01L51/0054 ,  C07D213/06 ,  C07D213/22 ,  C07D213/26 ,  C07D215/06 ,  C07D401/04 ,  C07D403/04 ,  C07D403/10 ,  C07D403/14 ,  C07D471/04 ,  C07D487/04 ,  C07D491/048 ,  C07D495/04 ,  C07F15/0033 ,  H01L51/0052 ,  H01L51/0067 ,  H01L51/0071 ,  H01L51/0072 ,  H01L51/0085 ,  H01L51/5012 ,  H01L51/5016 ,  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：US09705099B2

公开(公告)日：2017-07-11

申请号：US14372594

申请日：2013-01-23

Applicant: Universal Display Corporation ,  Hodogaya Chemical Co., Ltd.

Inventor： Vadim Adamovich ,  Hitoshi Yamamoto ,  Michael S. Weaver ,  Norimasa Yokoyama ,  Makoto Nagaoka ,  Naoaki Kabasawa

IPC: H01L51/50 ,  C09K11/06 ,  H01L51/00 ,  H05B33/10

CPC classification number: H01L51/5028 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1029 ,  C09K2211/1092 ,  H01L51/0052 ,  H01L51/0068 ,  H01L51/0072 ,  H01L51/5016 ,  H01L51/5024 ,  H01L51/5056 ,  H01L51/5096 ,  H01L2251/5384 ,  H05B33/10

Abstract: An improved OLED includes an emissive layer disposed between a cathode and an anode where the emissive layer includes a multi-component host material and a phosphorescent emitter material. The host material includes at least a first host compound and a second host compound, where the first host compound is hole-transporting host compound having the general formula wherein R1, R2, R3, R4, R5, and R6 may be the same or different fluorine atom, chlorine atom, a deuterium atom, a cyano group, a trifluoromethyl group, a nitro group, linear or branched alkyl group (C1-C6), cyclo-alkyl group (C5-C10), linear or branched alkoxy group (C1-C6), cyclo-alkoxy group (C5˜C10), substituted or unsubstituted aromatic hydrocarbon group, substituted or unsubstituted aromatic heterocyclic group, substituted or unsubstituted condensed polycyclic aromatic group, r1, r4, r5=0, 1, 2, 3, or 4 r2, r3 r6; =0, 1, 2 or 3 n=0 or 1, and Ar1, Ar2, and Ar3 may be the same or different, substituted or unsubstituted aromatic hydrocarbon group, substituted or unsubstituted aromatic heterocyclic group, substituted or unsubstituted condensed polycyclic aromatic group, deuterium substituted aromatic hydrocarbon group, deuterium substituted aromatic heterocyclic group, or deuterium substituted condensed polycyclic aromatic group.

公开(公告)号：US20150001471A1

公开(公告)日：2015-01-01

申请号：US13930997

申请日：2013-06-28

Applicant: UNIVERSAL DISPLAY CORPORATION

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

IPC: H01L51/00

CPC classification number: H01L51/0067 ,  C07D403/04 ,  C07D403/10 ,  C07D471/04 ,  H01L51/0072 ,  H01L51/5016

Abstract: The present disclosure generally relates to novel compounds containing carbazole and triazine with different number of phenyl units attached to its core. In particular, the disclosure relates to compositions and/or devices comprising these compounds as hosts for PHOLEDs.

Abstract translation: 本公开内容通常涉及含有不同数目的苯基单元连接到其核心上的咔唑和三嗪的新化合物。 特别地，本公开涉及包含这些化合物作为PHOLED的宿主的组合物和/或装置。