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公开(公告)号:US10177330B2
公开(公告)日:2019-01-08
申请号:US14873414
申请日:2015-10-02
Applicant: LG Display Co., Ltd.
Inventor: Sung Hoon Pieh , Chang Wook Han , Hong Seok Choi , Ki-Woog Song , So Yeon Ahn , Seung Hyun Kim
Abstract: An organic light emitting display device comprises two emission portions between first and second electrodes, wherein at least one among the two emission portions includes two emitting layers, whereby efficiency and a color reproduction ratio may be improved.
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公开(公告)号:US10818862B2
公开(公告)日:2020-10-27
申请号:US16776344
申请日:2020-01-29
Applicant: LG Display Co., Ltd.
Inventor: Sung Hoon Pieh , Chang Wook Han , Hong Seok Choi , Ki-Woog Song , So Yeon Ahn , Seung Hyun Kim
Abstract: An organic light emitting display device comprises two emission portions between first and second electrodes, wherein at least one among the two emission portions includes two emitting layers, whereby efficiency and a color reproduction ratio may be improved.
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公开(公告)号:US10355231B2
公开(公告)日:2019-07-16
申请号:US16205025
申请日:2018-11-29
Applicant: LG Display Co., Ltd.
Inventor: Sung Hoon Pieh , Chang Wook Han , Hong Seok Choi , Ki-Woog Song , So Yeon Ahn , Seung Hyun Kim
Abstract: An organic light emitting display device comprises two emission portions between first and second electrodes, wherein at least one among the two emission portions includes two emitting layers, whereby efficiency and a color reproduction ratio may be improved.
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公开(公告)号:US12284907B2
公开(公告)日:2025-04-22
申请号:US17283791
申请日:2019-12-21
Applicant: LG DISPLAY CO., LTD.
Inventor: Seung Hee Yoon , In Bum Song , Gwi Jeong Cho , So Yeon Ahn , Yoo Yi Son
Abstract: The present disclosure relates to an organic light emitting diode that includes at least one emitting material layer including an anthracene-based host and a boron-based dopant, at least one electron blocking layer including an amine-based compound substituted with at least one fused aromatic or hetero aromatic ring, and optionally at least one hole blocking layer including an azine-based compound or a benzimidazole-based compound. The organic light emitting diode has enhanced luminous efficiency as well as excellent luminous lifetime.
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公开(公告)号:US11963443B2
公开(公告)日:2024-04-16
申请号:US17290591
申请日:2019-12-21
Applicant: LG DISPLAY CO., LTD.
Inventor: In Bum Song , Seung Hee Yoon , Gwi Jeong Cho , So Yeon Ahn , Yoo Yi Son , Tae Shick Kim
IPC: H10K85/60 , H10K50/12 , H10K50/18 , H10K101/00
CPC classification number: H10K85/6572 , H10K85/622 , H10K85/624 , H10K85/626 , H10K85/633 , H10K85/636 , H10K85/654 , H10K85/6574 , H10K85/6576 , H10K50/12 , H10K50/18 , H10K2101/90
Abstract: The present disclosure relates to an OLED that includes a first electrode; a second electrode facing the first electrode; a first emitting material layer including a first host, a second host and a blue dopant and positioned between the first and second electrodes; a first electron blocking layer including an electron blocking material of a spirofluorene-substituted amine derivative and positioned between the first electrode and the first emitting material layer; and a first hole blocking layer including a first hole blocking material of an azine derivative and positioned between the second electrode and the first emitting material layer, wherein the first host is an anthracene derivative, and the second host is a deuterated anthracene derivative.
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公开(公告)号:US10249838B2
公开(公告)日:2019-04-02
申请号:US15618026
申请日:2017-06-08
Applicant: LG Display Co., Ltd.
Inventor: Jae Il Song , Dong Hyuk Kim , So Yeon Ahn
Abstract: Disclosed is a white organic light emitting device in which a lifetime of a device is enhanced. The white organic light emitting device includes a first emission part between a first electrode and a second electrode, and a second emission part on the first emission part. At least one among the first and second emission parts includes an emission area control layer. The white organic light emitting device includes a first emission part between a first electrode and a second electrode, a second emission part on the first emission part, and a third emission part on the second emission part. At least one among the first to third emission parts includes an emission area control layer.
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公开(公告)号:US09705102B2
公开(公告)日:2017-07-11
申请号:US14720405
申请日:2015-05-22
Applicant: LG Display Co., Ltd.
Inventor: So Yeon Ahn , Chang Wook Han , Hong Seok Choi , Seung Ryong Joung , Jung Soo Park , Min Gyu Lee
CPC classification number: H01L51/504 , H01L27/3209 , H01L27/322 , H01L51/5044 , H01L51/5278 , H01L2251/552
Abstract: Disclosed is a white organic light emitting device. The white organic light emitting device includes a first emission part between a first electrode and a second electrode, a second emission part on the first emission part, and a third emission part on the second emission part. At least one of the first to third emission parts includes at least two emission layers including a red emission layer, and a position of the red emission layer is set to enhance a color reproduction rate and at least one of red efficiency, green efficiency, and blue efficiency.
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公开(公告)号:US12302756B2
公开(公告)日:2025-05-13
申请号:US18599051
申请日:2024-03-07
Applicant: LG DISPLAY CO., LTD.
Inventor: In Bum Song , Seung Hee Yoon , Gwi Jeong Cho , So Yeon Ahn , Yoo Yi Son , Tae Shick Kim
IPC: H10K85/60 , H10K50/12 , H10K50/18 , H10K101/00
Abstract: The present disclosure relates to an OLED that includes a first electrode; a second electrode facing the first electrode; a first emitting material layer including a first host, a second host and a blue dopant and positioned between the first and second electrodes; a first electron blocking layer including an electron blocking material of a spirofluorene-substituted amine derivative and positioned between the first electrode and the first emitting material layer; and a first hole blocking layer including a first hole blocking material of an azine derivative and positioned between the second electrode and the first emitting material layer, wherein the first host is an anthracene derivative, and the second host is a deuterated anthracene derivative.
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公开(公告)号:US10985338B2
公开(公告)日:2021-04-20
申请号:US17016007
申请日:2020-09-09
Applicant: LG Display Co., Ltd.
Inventor: Sung Hoon Pieh , Chang Wook Han , Hong Seok Choi , Ki-Woog Song , So Yeon Ahn , Seung Hyun Kim
Abstract: An organic light emitting display device comprises two emission portions between first and second electrodes, wherein at least one among the two emission portions includes two emitting layers, whereby efficiency and a color reproduction ratio may be improved.
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公开(公告)号:US09118032B2
公开(公告)日:2015-08-25
申请号:US14307018
申请日:2014-06-17
Applicant: LG Display Co., Ltd.
Inventor: Shinhan Kim , SeungRyong Joung , So Yeon Ahn , Taeshick Kim
CPC classification number: H01L51/504 , H01L27/3209 , H01L27/322 , H01L51/5096 , H01L51/5278
Abstract: Disclosed is an organic light emitting device that comprises first and second electrodes; first and second stacks arranged between the first electrode and the second electrode, the first and second stacks respectively emitting colors different from each other; and an intermediate layer arranged between the first stack and the second stack, wherein the intermediate layer includes a first intermediate layer arranged adjacent to the first stack to provide electrons to the first stack, and a second intermediate layer arranged adjacent to the second stack to provide holes to the second stack, and wherein the second intermediate layer includes a P-doping charge generating layer arranged on the first intermediate layer and a layer having a hole transporting characteristic and formed on the P-doping charge generating layer.
Abstract translation: 公开了一种包括第一和第二电极的有机发光器件; 布置在第一电极和第二电极之间的第一和第二堆叠,分别发射彼此不同的颜色的第一和第二堆叠; 以及布置在所述第一堆叠和所述第二堆叠之间的中间层,其中所述中间层包括与所述第一堆叠相邻布置以向所述第一堆叠提供电子的第一中间层,以及邻近所述第二堆叠布置的第二中间层,以提供 并且其中第二中间层包括布置在第一中间层上的P掺杂电荷产生层和在P掺杂电荷产生层上形成的具有空穴传输特性的层。
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