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公开(公告)号：US11950500B2
公开(公告)日：2024-04-02
申请号：US17260844
申请日：2019-12-21
Applicant: LG Display Co., Ltd.
Inventor： Seung Hee Yoon , In Bum Song , Jin Ho Park , Dong Hyeok Lim
CPC classification number: H10K85/636 , H10K85/615 , H10K85/633 , H10K85/654 , H10K85/6572 , H10K85/6574 , H10K50/18
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 polycyclic aryl group, 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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Patent Agency Ranking
2.发明授权公开(公告)号：US09065052B2
公开(公告)日：2015-06-23
申请号：US13720669
申请日：2012-12-19
Applicant: LG DISPLAY CO., LTD.
Inventor： Mi-Na Kim , Kwang Hyun Kim , Jin Ho Park
CPC classification number: H01L27/3211 , H01L51/0001 , H01L51/0021 , H01L51/504 , H01L51/506 , H01L51/5064 , H01L51/5072 , H01L51/5088 , H01L51/52 , H01L51/5203 , H01L51/5218 , H01L51/5234 , H01L51/5265 , H01L51/5271 , H01L51/56 , H01L2251/558
Abstract: Discussed is an organic light emitting display device. The organic light emitting display device includes a substrate in which red, green, and blue pixel areas are defined, a first electrode and a first hole transporting layer that are formed on the substrate, first to third emission common layers formed in each of the pixel areas on the first hole transporting layer, and an electron transporting layer and a second electrode that are formed on the third emission common layer. Accordingly, color mixture is prevented, limitations due to a defective mask are overcome, a process is simplified, and the manufacturing cost is saved.
Abstract translation: 讨论的是有机发光显示装置。 有机发光显示装置包括其中限定了红色，绿色和蓝色像素区域的基板，形成在基板上的第一电极和第一空穴传输层，形成在每个像素中的第一至第三发光公共层 第一空穴传输层上的区域和形成在第三发射共同层上的电子传输层和第二电极。 因此，防止了颜色混合，克服了由于掩膜缺陷引起的限制，简化了工艺，节省了制造成本。
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公开(公告)号：US11943985B2
公开(公告)日：2024-03-26
申请号：US17341051
申请日：2021-06-07
Applicant: LG Display Co., Ltd.
Inventor： Jin Ho Park , Kyu Il Han , Chang Hwan Kwak , Dong Hyeok Lim , Hwa Yong Shin , Ji Hyung Lee
CPC classification number: H10K59/353 , H10K50/12 , H10K50/18
Abstract: Discussed are a light-emitting device and a light-emitting display device having improved efficiency and increased lifespan. A plurality of stacks is provided between an anode and a cathode for at least a subpixel to emit a predetermined color, and emissive layers in different stacks include the same color-based materials having different luminous properties.
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公开(公告)号：US09786720B2
公开(公告)日：2017-10-10
申请号：US14728360
申请日：2015-06-02
Applicant: LG DISPLAY CO., LTD.
Inventor： Mi-Na Kim , Kwang Hyun Kim , Jin Ho Park
CPC classification number: H01L27/3211 , H01L51/0001 , H01L51/0021 , H01L51/504 , H01L51/506 , H01L51/5064 , H01L51/5072 , H01L51/5088 , H01L51/52 , H01L51/5203 , H01L51/5218 , H01L51/5234 , H01L51/5265 , H01L51/5271 , H01L51/56 , H01L2251/558
Abstract: An organic light emitting display device including, according to one embodiment, a substrate having first, second, and third pixel areas; a first hole transporting layer on the substrate; a first emission common layer on the first transport layer; a second emission common layer on the first emission common layer; a third emission common layer on the second emission common layer; a second hole transporting layer between the first hole transporting layer and the first emission common layer, the second hole transporting layer disposed on the first pixel area; a third hole transporting layer between the first and second emission common layers, the third hole transporting layer disposed on the second pixel area; and a fourth hole transporting layer between the second and third emission common layers, the fourth hole transporting layer disposed on the third pixel area.
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公开(公告)号：US12161046B2
公开(公告)日：2024-12-03
申请号：US17260826
申请日：2019-12-21
Applicant: LG DISPLAY CO., LTD.
Inventor： Seung Hee Yoon , In Bum Song , Jin Ho Park , Dong Hyeok Lim
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：US09640591B2
公开(公告)日：2017-05-02
申请号：US14728221
申请日：2015-06-02
Applicant: LG DISPLAY CO., LTD.
Inventor： Mi-Na Kim , Kwang Hyun Kim , Jin Ho Park
CPC classification number: H01L27/3211 , H01L51/0001 , H01L51/0021 , H01L51/504 , H01L51/506 , H01L51/5064 , H01L51/5072 , H01L51/5088 , H01L51/52 , H01L51/5203 , H01L51/5218 , H01L51/5234 , H01L51/5265 , H01L51/5271 , H01L51/56 , H01L2251/558
Abstract: A method of manufacturing an organic light emitting display device. The method according to one embodiment includes forming a first electrode over a substrate in which red, green, and blue pixel areas are defined; forming a first hole transporting layer on the first electrode; forming a second hole transporting layer in a position corresponding to the red pixel area; forming a first emission common layer; forming a third hole transporting layer on the first emission common layer in a position corresponding to the green pixel area; forming a second emission common layer; forming a fourth hole transporting layer on the second emission common layer in a position corresponding to the blue pixel area; forming a third emission common layer; forming an electron transporting layer on the third emission common layer; and forming a second electrode on the electron transporting layer.
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