公开(公告)号：US11889751B2

公开(公告)日：2024-01-30

申请号：US17042316

申请日：2019-04-24

申请人： Sumitomo Chemical Company, Limited

发明人： Toshiaki Sasada

IPC分类号： H10K85/60 ,  H10K85/30 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17

CPC分类号： H10K85/631 ,  H10K85/342 ,  H10K85/344 ,  H10K85/346 ,  H10K50/15 ,  H10K50/16 ,  H10K50/171

摘要： A light emitting device contains an anode, cathode, and two organic layers provided therebetween. One organic layer contains a phosphorescent compound, the second organic layer contains a block copolymer containing an end group, a block that binds to the end group and/or a block that does not bind to the end group, and a crosslinked product of the block copolymer. The non-terminal block contains a non-crosslinkable unit represented by the formula (X) and/or a non-crosslinkable unit represented by the formula (Z). At least one of XI>XII; ZI>ZII; XI+ZI>XII+ZII is satisfied when the total number of units having formula (X) and the total number of units having formula (Z) in the non-terminal block are XI and ZI, respectively, and the total number of units having formula (X) and the total number of units having formula (Z) in the terminal block are XII and ZII, respectively.

公开(公告)号：US20230320113A1

公开(公告)日：2023-10-05

申请号：US18024685

申请日：2021-09-13

申请人： Sumitomo Chemical Company, Limited

发明人： Toshiaki Sasada ,  Atsushi Asano

IPC分类号： H10K50/11 ,  H10K50/81 ,  H10K50/82 ,  H10K85/30 ,  C09K11/06

CPC分类号： H10K50/11 ,  H10K50/81 ,  H10K50/82 ,  H10K85/342 ,  H10K85/344 ,  H10K85/346 ,  C09K11/06 ,  C09K2211/1059

摘要： The present disclosure provides a light emitting device having an anode and a cathode, and a first layer and a second layer disposed between the anode and the cathode.

公开(公告)号：US12082428B2

公开(公告)日：2024-09-03

申请号：US16814504

申请日：2020-03-10

申请人： Universal Display Corporation

发明人： Michael Fusella ,  Nicholas J. Thompson ,  Julia J. Brown ,  Michael Stuart Weaver

IPC分类号： H01L51/50 ,  C09K11/06 ,  H10K50/11 ,  H10K85/30 ,  H10K101/10

CPC分类号： H10K50/11 ,  C09K11/06 ,  H10K85/342 ,  H10K85/344 ,  H10K85/346 ,  H10K85/348 ,  H10K85/371 ,  C09K2211/185 ,  C09K2211/188 ,  H10K2101/10

摘要： Emissive devices are provided that include a phosphorescent emitter placed within a threshold distance of an enhancement layer to achieve transient lifetimes of 200 ns or less.

公开(公告)号：US20230397495A1

公开(公告)日：2023-12-07

申请号：US18032358

申请日：2021-10-25

申请人： Merck Patent GmbH

发明人： Amir Hossain PARHAM ,  Christian EHRENREICH

IPC分类号： H10K85/60 ,  C09K11/02 ,  C09K11/06 ,  H10K85/30

CPC分类号： H10K85/6574 ,  C09K11/02 ,  C09K11/06 ,  H10K85/654 ,  H10K85/6572 ,  C07B2200/05 ,  H10K85/6576 ,  H10K85/342 ,  H10K85/346 ,  H10K85/348 ,  H10K85/344 ,  H10K85/622

摘要： The present invention relates to an organic electroluminescent device comprising a light-emitting layer comprising an electron-transporting host material and a hole-transporting host material, and to a formulation comprising a mixture of the host materials and to a mixture comprising the host materials. The electron-transporting host material corresponds to a compound of the formula (1) comprising diazadibenzofuran or diazadibenzothiophene units. The hole-transporting host material corresponds to a compound of the formula (2) from the class of the biscarbazoles or the derivatives thereof.

公开(公告)号：US12096683B2

公开(公告)日：2024-09-17

申请号：US17035552

申请日：2020-09-28

申请人： Samsung Display Co., Ltd.

发明人： Jungsub Lee ,  Hyunyoung Kim ,  Jiyoung Lee ,  Hyejin Jung ,  Minje Kim ,  Eung Do Kim ,  Hyojeong Kim ,  Hyosup Shin ,  Seokgyu Yoon ,  Youngki Lee ,  Kunwook Cho ,  Hyeon Gu Cho ,  Minsoo Choi ,  Youngeun Choi ,  Hyein Jeong ,  Jaejin Lyu

IPC分类号： H01L51/54 ,  H10K85/30 ,  H10K85/40 ,  H10K85/60

CPC分类号： H10K85/6572 ,  H10K85/342 ,  H10K85/344 ,  H10K85/346 ,  H10K85/348 ,  H10K85/371 ,  H10K85/40 ,  H10K85/636

摘要： An organic electroluminescence device according to an embodiment of the present disclosure includes a first electrode, a second electrode, and an emission layer. The emission layer includes host compounds and dopant compounds. The hot compounds include a first host compound represented by Formula 1, and a second host compound represented by Formula 2, and the dopant compounds include an assistant dopant compound represented by Formula 3, and a light-emitting dopant compound represented by Formula 4:




Accordingly, the organic electroluminescence device according to an embodiment may achieve high efficiency and long life.

公开(公告)号：US20240122057A1

公开(公告)日：2024-04-11

申请号：US18455638

申请日：2023-08-25

申请人： UNIVERSAL DISPLAY CORPORATION

发明人： Hsiao-Fan CHEN ,  Jerald FELDMAN ,  Hai T. Le ,  Thrimurtulu NEETIPALLI ,  Noah HORWITZ ,  Scott BEERS

IPC分类号： H10K85/30 ,  C07F15/00

CPC分类号： H10K85/344 ,  C07F15/0086 ,  C07B2200/05

摘要： Provided are new organometallic compounds which are tetradentate and which comprise either a platinum or a palladium atom as the central metal atom. Also provided are formulations which comprise these new organometallic compounds. Further provided are organic light emitting diodes (OLEDs) and related consumer products that utilize these new organometallic compounds.

公开(公告)号：US11991921B2

公开(公告)日：2024-05-21

申请号：US17038043

申请日：2020-09-30

申请人： Samsung Electronics Co., Ltd.

发明人： Whail Choi ,  Seungyeon Kwak ,  Yoonhyun Kwak ,  Ohyun Kwon ,  Hyeonho Choi ,  Kyuyoung Hwang ,  Sangdong Kim ,  Youngjae Park

IPC分类号： H01L51/00 ,  C07F15/00 ,  C09K11/02 ,  C09K11/06 ,  H10K85/30 ,  H10K85/60 ,  H10K50/11 ,  H10K101/10 ,  H10K101/30 ,  H10K101/40

CPC分类号： H10K85/361 ,  C07F15/0033 ,  C09K11/025 ,  C09K11/06 ,  H10K85/342 ,  H10K85/344 ,  H10K85/346 ,  H10K85/348 ,  H10K85/654 ,  C09K2211/1007 ,  C09K2211/1029 ,  C09K2211/185 ,  H10K50/11 ,  H10K85/351 ,  H10K85/6572 ,  H10K85/6574 ,  H10K85/6576 ,  H10K2101/10 ,  H10K2101/30 ,  H10K2101/40

摘要： An organometallic compound represented by Formula 1:

M(L1)n1(L2)n2  Formula 1



wherein groups M, L1, L2, n1, and n2 are the same as they are defined in the specification.

公开(公告)号：US11985889B2

公开(公告)日：2024-05-14

申请号：US17229766

申请日：2021-04-13

申请人： Samsung Display Co., Ltd.

发明人： Hyunjung Lee ,  Soobyung Ko ,  Sungbum Kim ,  Eunsoo Ahn ,  Eunyoung Lee ,  Jaesung Lee

IPC分类号： H10K85/30 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K50/18 ,  H10K101/10 ,  H10K101/30

CPC分类号： H10K85/346 ,  H10K85/341 ,  H10K85/342 ,  H10K85/344 ,  H10K85/348 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K50/171 ,  H10K50/18 ,  H10K2101/10 ,  H10K2101/30

摘要： An organometallic compound and an organic light-emitting device including the same. The organometallic compound is represented by Formula 1. In Formula 1, the substituents are the same as described in the detailed description of the current disclosure.

公开(公告)号：US20230380264A1

公开(公告)日：2023-11-23

申请号：US18359399

申请日：2023-07-26

申请人： Universal Display Corporation

发明人： Jui-Yi Tsai ,  Mingjuan Su

IPC分类号： H10K85/30 ,  C07F15/00 ,  C07F1/12 ,  C07F1/08 ,  C07F13/00 ,  C07F7/08 ,  C07F5/02 ,  H10K50/11 ,  H10K50/18 ,  H10K50/17

CPC分类号： H10K85/346 ,  C07F15/0086 ,  C07F15/0073 ,  C07F15/0046 ,  C07F15/0033 ,  C07F15/002 ,  C07F1/12 ,  C07F1/08 ,  C07F13/00 ,  C07F7/0812 ,  C07F15/0093 ,  C07F5/02 ,  H10K50/11 ,  H10K50/18 ,  H10K50/171 ,  H10K85/342 ,  H10K85/344 ,  H10K85/348 ,  H10K85/371 ,  H10K50/15

摘要： The present invention includes novel heteroleptic/homoleptic iridium complexes containing two tridentate ligands, where at least one of the tridentate ligands comprises of pyridinium-derived N-heterocyclic carbene. The compounds of the present invention may be useful for organic electroluminescent devices.

公开(公告)号：US20240306411A1

公开(公告)日：2024-09-12

申请号：US18667068

申请日：2024-05-17

申请人： Semiconductor Energy Laboratory Co., Ltd.

发明人： Satomi MITSUMORI ,  Takeyoshi WATABE ,  Satoshi SEO ,  Yuko KUBOTA

IPC分类号： H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K50/19 ,  H10K50/852 ,  H10K59/30 ,  H10K59/35 ,  H10K59/38 ,  H10K85/30 ,  H10K101/00 ,  H10K101/10 ,  H10K101/40

CPC分类号： H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K59/38 ,  H10K85/341 ,  H10K85/342 ,  H10K85/344 ,  H10K85/346 ,  H10K85/348 ,  H10K50/19 ,  H10K50/852 ,  H10K59/30 ,  H10K59/35 ,  H10K2101/10 ,  H10K2101/40 ,  H10K2101/90

摘要： A light-emitting element having low driving voltage and high emission efficiency is provided. In the light-emitting element, a combination of a guest material and a host material forms an exciplex. The guest material is capable of converting triplet excitation energy into light emission. Light emission from the light-emitting layer includes light emission from the guest material and light emission from the exciplex. The percentage of the light emission from the exciplex to the light emission from the light-emitting layer is greater than 0 percent and less than or equal to 60 percent. The energy after subtracting the energy of light emission from the exciplex from the energy of light emission from the guest material is greater than 0 eV and less than or equal to 0.23 eV.