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公开(公告)号：US20210280792A1
公开(公告)日：2021-09-09
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
IPC: H01L51/00
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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公开(公告)号：US20210305513A1
公开(公告)日：2021-09-30
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 benzim-idazole-based compound. The organic light emitting diode has enhanced luminous efficiency as well as excellent luminous lifetime.
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Patent Agency Ranking
公开(公告)号：US20240260355A1
公开(公告)日：2024-08-01
申请号：US18475773
申请日：2023-09-27
Applicant: LG Display Co., Ltd.
Inventor： Chang Hwan KWAK , Yun Hee CHOI , Sun Kap KWON , Jin Ho PARK
IPC: H10K59/131
CPC classification number: H10K59/131
Abstract: A light emitting display device includes a substrate including a display area including a plurality of sub-pixels and a non-display area surrounding the display area, a plurality of first electrodes provided in the plurality of sub-pixels, a second electrode facing the plurality of first electrodes and extending over the entire display area and a part of the non-display area, an interlayer including a plurality of stacks provided between the plurality of first electrodes and the second electrode and a charge generation layer between the plurality of stacks, a first connection electrode provided in the non-display area and connected to the second electrode, and a second connection electrode disposed closer to the display area than the first connection electrode and connected to the charge generation layer, thus stabilizing the potential of a common layer having high mobility by using a connection electrode to prevent lateral leakage current caused by the common layer.
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4.发明申请公开(公告)号：US20140117315A1
公开(公告)日：2014-05-01
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：US20210320265A1
公开(公告)日：2021-10-14
申请号：US17260178
申请日：2019-12-21
Applicant: LG DISPLAY CO., LTD.
Inventor： In Bum SONG , Seung Hee YOON , Jin Ho PARK , Dong Hyeok LIM
IPC: H01L51/00
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 an amine derivative and positioned between the first electrode and the first emitting material layer; and a first hole blocking layer including at least one of a first hole blocking material and a second hole blocking material 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, and wherein the first hole blocking material is an azine derivative, and the second hole blocking material is a benzimidazole derivative.
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公开(公告)号：US20150263304A1
公开(公告)日：2015-09-17
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.
Abstract translation: 一种有机发光显示装置，包括根据一个实施例的具有第一，第二和第三像素区域的基板; 在基板上的第一空穴传输层; 第一传输层上的第一发射公共层; 第一发射公共层上的第二发射公共层; 第二发射公共层上的第三发射公共层; 在第一空穴传输层和第一发射共同层之间的第二空穴传输层，设置在第一像素区域上的第二空穴传输层; 在第一和第二发射共同层之间的第三空穴传输层，设置在第二像素区域上的第三空穴传输层; 以及在第二和第三发射公共层之间的第四空穴传输层，第四空穴传输层设置在第三像素区域上。
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公开(公告)号：US20150263075A1
公开(公告)日：2015-09-17
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.
Abstract translation: 一种制造有机发光显示装置的方法。 根据一个实施例的方法包括在衬底上形成第一电极，其中限定了红色，绿色和蓝色像素区域; 在所述第一电极上形成第一空穴传输层; 在与红色像素区域对应的位置形成第二空穴传输层; 形成第一发射公共层; 在与所述绿色像素区域对应的位置上在所述第一发光共同层上形成第三空穴传输层; 形成第二发射共同层; 在与所述蓝色像素区域对应的位置上在所述第二发光共同层上形成第四空穴传输层; 形成第三发射共同层; 在第三发射共同层上形成电子传输层; 以及在所述电子传输层上形成第二电极。
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