公开(公告)号：US20240360168A1

公开(公告)日：2024-10-31

申请号：US18646279

申请日：2024-04-25

申请人： LG Display Co., Ltd.

发明人： Kusun Choung ,  Hansol Park ,  Nayeon Lee ,  Gyuhyeong Kim ,  Soonjae Hwang

IPC分类号： C07F15/00 ,  C09K11/06 ,  H10K50/12 ,  H10K50/13 ,  H10K85/30 ,  H10K85/60

CPC分类号： C07F15/0033 ,  C09K11/06 ,  H10K50/12 ,  H10K50/13 ,  H10K85/342 ,  H10K85/654 ,  H10K85/6572 ,  C09K2211/1096

摘要： An organometallic compound represented by Chemical Formula 1, Ir(LA)m(LB)n, and an organic light-emitting diode including the same. The organometallic compound may act as a dopant of a light-emitting layer of the organic light-emitting diode. An operation voltage of the device may be lowered, and luminous efficiency and a lifespan thereof may be improved.

公开(公告)号：US12133402B2

公开(公告)日：2024-10-29

申请号：US18340664

申请日：2023-06-23

申请人： SAMSUNG DISPLAY CO., LTD.

发明人： Dongkyu Seo ,  Dongchan Kim ,  Wonjong Kim ,  Eungdo Kim ,  Jihye Lee ,  Dahea Im ,  Sanghoon Yim ,  Yoonhyeung Cho ,  Wonsuk Han

IPC分类号： H10K50/13 ,  H10K50/11 ,  H10K50/15 ,  H10K50/17 ,  H10K50/18 ,  H10K71/00 ,  H10K85/30 ,  H10K85/60 ,  H10K101/10 ,  H10K102/00

CPC分类号： H10K50/131 ,  H10K50/11 ,  H10K50/15 ,  H10K50/17 ,  H10K50/18 ,  H10K71/00 ,  H10K85/30 ,  H10K85/324 ,  H10K85/341 ,  H10K85/342 ,  H10K85/346 ,  H10K85/348 ,  H10K85/381 ,  H10K85/60 ,  H10K85/615 ,  H10K85/622 ,  H10K85/623 ,  H10K85/624 ,  H10K85/626 ,  H10K85/631 ,  H10K85/633 ,  H10K85/636 ,  H10K85/653 ,  H10K85/654 ,  H10K85/657 ,  H10K85/6572 ,  H10K85/6574 ,  H10K85/6576 ,  H10K2101/10 ,  H10K2102/00

摘要： An organic light-emitting device including: a first electrode; a second electrode facing the first electrode; a first emission unit and a second emission unit between the first electrode and the second electrode; and a first charge generation layer between the first emission unit and the second emission unit; wherein the first emission unit includes a first emission layer and a first inorganic buffer layer, and the second emission unit includes a second emission layer and a second inorganic buffer layer.

公开(公告)号：US20240341190A1

公开(公告)日：2024-10-10

申请号：US18745601

申请日：2024-06-17

申请人： CANON KABUSHIKI KAISHA

发明人： YOSUKE NISHIDE ,  JUN KAMATANI ,  NAOKI YAMADA ,  HIROKI OHRUI ,  HIRONOBU IWAWAKI ,  HIROKAZU MIYASHITA

IPC分类号： H10K85/60 ,  C07F5/02 ,  C09K11/06 ,  G03G15/04 ,  G03G15/043 ,  H10K50/13 ,  H10K59/10 ,  H10K65/00

CPC分类号： H10K85/658 ,  C07F5/027 ,  C09K11/06 ,  G03G15/04036 ,  G03G15/043 ,  C09K2211/1018 ,  H10K50/13 ,  H10K59/10 ,  H10K65/00

摘要： The present disclosure provides an organic compound represented by the following general formula [1-1] or [1-2].




R1 to R22 are each independently selected from a hydrogen atom, an alkyl group, and so forth. Q1 to Q10 are each independently selected from a direct bond and a linking group. The linking group is selected from C(R23) (R24), N(R25), an oxygen atom, a sulfur atom, a selenium atom, and a tellurium atom. R23 to R25 are each independently selected from a hydrogen atom, an alkyl group, and so forth. Each n is 0 or 1, provided that in each of general formulae [1-1] and [1-2], at least one of n is 1. X is selected from an oxygen atom, a sulfur atom, a selenium atom, a tellurium atom, and N(R26). R26 is selected from a hydrogen atom, an alkyl group, and so forth.

公开(公告)号：US20240341184A1

公开(公告)日：2024-10-10

申请号：US18436263

申请日：2024-02-08

申请人： Samsung Display Co., Ltd.

发明人： JIYOUNG LEE ,  TSUYOSHI NAIJO ,  YUNJEE PARK ,  SUNG-SOO BAE ,  HOJUNG SYN ,  HYOSUP SHIN ,  CHANGWOONG CHU

IPC分类号： H10K85/60 ,  C09K11/06 ,  H10K50/12 ,  H10K50/13 ,  H10K85/30 ,  H10K85/40

CPC分类号： H10K85/658 ,  C09K11/06 ,  H10K85/346 ,  H10K85/40 ,  H10K85/6572 ,  C09K2211/1018 ,  C09K2211/1044 ,  C09K2211/185 ,  H10K50/121 ,  H10K50/13 ,  H10K85/654

摘要： Embodiments provide a light emitting element and a display device including the same. The light emitting element includes a first electrode, a second electrode, and a plurality of emission layers disposed between the first electrode and the second electrode, wherein at least one of the plurality of emission layers include a hole transporting host, an electron transporting host, a phosphorescent sensitizer, and a first fluorescent dopant. The first fluorescent dopant comprises a pentacyclic fused ring core that includes one boron atom and two heteroatoms as ring-forming atoms, and at least one amine substituent of the fused ring core; the at least one amine substituent is substituted with at least one substituted or unsubstituted pyrenyl group; and a difference between a triplet state energy level of the first fluorescent dopant and a singlet state energy level of the first fluorescent dopant is equal to or greater than about 0.4 eV.

公开(公告)号：US12108671B2

公开(公告)日：2024-10-01

申请号：US17773732

申请日：2020-10-27

申请人： DUK SAN NEOLUX CO., LTD.

发明人： Bum Sung Lee ,  Hyun Ji Oh ,  Soung Yun Mun ,  Sun Hee Lee ,  Won Sam Kim ,  Guang Ming Li ,  Min Ji Jo

IPC分类号： H10K85/60 ,  H10K50/11 ,  H10K50/13 ,  H10K101/30 ,  H10K101/40 ,  H10K102/00

CPC分类号： H10K85/6576 ,  H10K85/657 ,  H10K85/6572 ,  H10K85/6574 ,  H10K50/11 ,  H10K50/13 ,  H10K2101/30 ,  H10K2101/40 ,  H10K2102/351

摘要： An organic electric element according to an embodiment of the present disclosure includes a first electrode, a second electrode, and an organic material layer formed between the first electrode and the second electrode. The organic material layer includes a plurality of emission-auxiliary layers, and the HOMO energy levels of the plurality of emission-auxiliary layers are limited to specific conditions in relation to the neighboring organic material layers, thereby the driving voltage, the luminous efficiency and the life time of the organic electric element can be improved.

公开(公告)号：US12089495B2

公开(公告)日：2024-09-10

申请号：US17288784

申请日：2020-08-31

申请人： LG DISPLAY CO., LTD.

发明人： Seon Keun Yoo ,  Ji Cheol Shin ,  Jeong Dae Seo

IPC分类号： H10K85/50 ,  C07D471/04 ,  C09K11/06 ,  H10K85/60 ,  H10K50/13 ,  H10K50/16

CPC分类号： H10K85/6572 ,  C07D471/04 ,  C09K11/06 ,  H10K85/626 ,  C07B2200/05 ,  C09K2211/1018 ,  H10K50/131 ,  H10K50/16

摘要： The present disclosure relates to an organic compound including a substituted or non-substituted phenanthroline moiety and a substituted or non-substituted anthracene moiety and being partially deuterated and an organic light emitting diode includes the organic compound. The organic compound has improved electron transporting property and/or the charge generation property. According, the emitting efficiency and the lifespan of the OLED and the organic light emitting display device including the organic compound in the ETL and/or the CGL are improved.

公开(公告)号：US20240298497A1

公开(公告)日：2024-09-05

申请号：US18026004

申请日：2022-06-20

申请人： BOE Technology Group Co., Ltd.

发明人： Bei Wang ,  Guanyin Wen ,  Xiaobo Du ,  Huameng Liu ,  Yanjun Hao

IPC分类号： H10K59/38 ,  H10K50/115 ,  H10K50/13

CPC分类号： H10K59/38 ,  H10K50/131 ,  H10K50/115

摘要： A light emitting device includes: a first electrode; a second electrode disposed opposite to the first electrode; and multiple emission layers stacked between the first electrode and the second electrode. The emission layers include at least one first emission layer and at least one second emission layer. The first emission layer includes a first luminescent material, and is configured to emit a first light when driven by a current or voltage; the second emission layer includes a second luminescent material, and is configured to emit a second light when driven by the current or voltage; a luminous efficiency of the first luminescent material is greater than that of the second luminescent material; and a luminance conversion rate when performing optical excitation on color conversion materials by the first light is smaller than that when performing optical excitation on the color conversion materials by the second light.

公开(公告)号：US20240284697A1

公开(公告)日：2024-08-22

申请号：US18482327

申请日：2023-10-06

申请人： Samsung Electronics Co., Ltd.

发明人： Joonghyuk KIM ,  Giwook KANG

IPC分类号： H10K50/13 ,  C09K11/06 ,  H10K50/12 ,  H10K85/30 ,  H10K85/40 ,  H10K85/60

CPC分类号： H10K50/13 ,  C09K11/06 ,  H10K50/12 ,  H10K85/324 ,  H10K85/346 ,  H10K85/40 ,  H10K85/6572 ,  H10K85/658 ,  C09K2211/185 ,  H10K2102/351

摘要： A light-emitting device including an anode, a cathode, a first emission layer arranged on the anode and including a first phosphorescent emitter, and a second emission layer arranged on the first emission layer and including a first fluorescent emitter and a second phosphorescent emitter.

公开(公告)号：US20240268139A1

公开(公告)日：2024-08-08

申请号：US18413235

申请日：2024-01-16

申请人： The Regents of the University of Michigan

发明人： Haonan Zhao ,  Stephen R. Forrest

IPC分类号： H10K50/12 ,  H10K50/13 ,  H10K50/15 ,  H10K50/16 ,  H10K50/856 ,  H10K101/10

CPC分类号： H10K50/12 ,  H10K50/13 ,  H10K50/15 ,  H10K50/16 ,  H10K50/856 ,  H10K2101/10

摘要： An organic light emitting device comprises an anode and a cathode, an organic emissive layer positioned between the anode and the cathode, the organic emissive layer comprising a host material and a dopant, a host material layer positioned between the cathode and the organic emissive layer, and a charge transport layer positioned between the cathode and the host material layer, wherein the charge transport layer is configured to form plasmon exciton polaritons in a region between the cathode and the charge transport layer. Stacked devices are also disclosed.

公开(公告)号：US20240260411A1

公开(公告)日：2024-08-01

申请号：US18020420

申请日：2022-06-21

申请人： BOE Technology Group Co., Ltd.

发明人： Zhihui ZHANG ,  Bei WANG ,  Hao GAO ,  Yan FAN ,  Xiangmin WEN

IPC分类号： H10K59/80 ,  H10K50/13 ,  H10K59/35

CPC分类号： H10K59/875 ,  H10K50/13 ,  H10K59/35

摘要： A light emitting substrate includes: a first base substrate, a plurality of light emitting devices located on the first base substrate, wherein the light emitting devices include a first light emitting device, a second light emitting device and a third light emitting device, each of the light emitting devices includes a first electrode layer, a light emitting functional layer and a second electrode layer which are stacked, the light emitting functional layer includes an emitting layer including a first emitting layer in the first light emitting device, a second emitting layer in the second light emitting device and a third emitting layer in the third light emitting device; the material of the first emitting layer is different from the material of the second emitting layer, and the material of the first emitting layer is different from the material of the third emitting layer.