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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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公开(公告)号：US20150188075A1
公开(公告)日：2015-07-02
申请号：US14581839
申请日：2014-12-23
Applicant: LG Display Co., Ltd.
Inventor： Ho Sung KIM , Kwang Hyun KIM
CPC classification number: H01L51/5064 , H01L27/3211 , H01L51/5004 , H01L51/5072 , H01L51/508 , H01L2251/55
Abstract: An organic light emitting display device is disclosed which includes: a first electrode including red, green and blue sub-pixel regions; a first hole injection layer disposed on the first electrode; a first hole transport layer disposed on the hole injection layer; second, third and fourth hole transport layers arranged on the first hole transport layer corresponding to the red, green and blue regions, respectively; an organic emission layer disposed on the second, third and fourth hole transport layers; an electron transport layer disposed on the organic emission layer; and a second electrode disposed on the electron transport layer, the second, third and fourth hole transport layers each having a hole mobility different from an electron mobility of the electron transport layer.
Abstract translation: 公开了一种有机发光显示装置，其包括：包括红色，绿色和蓝色子像素区域的第一电极; 设置在所述第一电极上的第一空穴注入层; 设置在空穴注入层上的第一空穴传输层; 分别对应于红色，绿色和蓝色区域布置在第一空穴传输层上的第二，第三和第四空穴传输层; 设置在所述第二，第三和第四空穴传输层上的有机发射层; 设置在有机发光层上的电子传输层; 以及设置在所述电子传输层上的第二电极，所述第二，第三和第四空穴传输层各自具有不同于所述电子传输层的电子迁移率的空穴迁移率。
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Patent Agency Ranking
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：US20230217670A1
公开(公告)日：2023-07-06
申请号：US18086298
申请日：2022-12-21
Applicant: LG Display Co., Ltd.
Inventor： Jin Hwan PARK , Ji Yun KIM , Yong Hwan KIM , Tae Shick KIM , Kwang Hyun KIM , Dong Hyuk KIM
Abstract: Discussed is a light-emitting device including a first light-emitting layer so that a dopant having a hole trapping property is adjacent to a hole transport layer, and a second light-emitting layer that comes into contact with the first light-emitting layer to induce main light emission, thereby widening an emission zone and improving the efficiency and lifespan of the light-emitting layer. Also discussed is a light-emitting display including the light-emitting device. The first and second blue light-emitting layers can include a same host BH and different first and second blue dopants, respectively, and the first blue dopant can have a higher highest occupied molecular orbital (HOMO) energy level than a HOMO energy level of the hole transport layer.
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公开(公告)号：US20240260370A1
公开(公告)日：2024-08-01
申请号：US18359195
申请日：2023-07-26
Applicant: LG Display Co., Ltd.
Inventor： Kwang Hyun KIM
CPC classification number: H10K59/353 , H10K50/156 , H10K59/12
Abstract: A light emitting display device including a substrate including a first subpixel, a second subpixel, and a third subpixel; a red light emitting element at the first subpixel, the red light emitting element comprising a red light emitting layer; a green light emitting element at the second subpixel, the green light emitting element comprising a green light emitting layer; and a blue light emitting element at the third subpixel, the blue light emitting element comprising a blue light emitting layer. In addition, a first wavelength difference between a photoluminescence peak and an electroluminescence peak of the red light emitting element is 2 nm or less, a second wavelength difference between a photoluminescence peak and an electroluminescence peak of the green light emitting element is 2 nm or less, and a third wavelength difference between a photoluminescence peak and an electroluminescence peak of the blue light emitting element is 2 nm or less.
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公开(公告)号：US20180062104A1
公开(公告)日：2018-03-01
申请号：US15673325
申请日：2017-08-09
Applicant: LG Display Co., Ltd.
Inventor： Sun Kap KWON , Kwan Soo KIM , Kyu Il HAN , Kwang Hyun KIM , Mi Na KIM
CPC classification number: H01L51/5092 , H01L51/504 , H01L51/5228 , H01L51/5231 , H01L51/5234 , H01L51/5253 , H01L51/5265 , H01L2251/558
Abstract: An organic light-emitting display device has improved transmittance and UV light reliability by optimizing the thickness and material of a cathode. An organic light-emitting display device comprises an organic light-emitting element on a substrate, the organic light-emitting element including an anode, an organic light emitting layer, and a cathode, an organic layer between the substrate and the organic light-emitting element, and an auxiliary layer adjacent to the cathode and including a material having electron injection ability, such that the influence of UV lights on the OLED device is reduced, thereby improving the efficiency and lifespan of the organic light-emitting element.
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公开(公告)号：US20150187848A1
公开(公告)日：2015-07-02
申请号：US14570452
申请日：2014-12-15
Applicant: LG DISPLAY CO., LTD.
Inventor： Kwang Hyun KIM
CPC classification number: H01L51/5012 , H01L27/3211 , H01L51/5016 , H01L51/5064 , H01L51/5265 , H01L2251/5384
Abstract: An organic light emitting display device including a first electrode defined into red, green and blue sub-pixel regions; a hole injection layer disposed on the first electrode; a first hole transport layer disposed on the hole injection layer; first, second and third organic emission layers arranged on the first hole transport layer opposite to the respective red, green and blue sub-pixel regions; an electron transport layer disposed on the first, second and third organic emission layers; and a second electrode disposed on the electron transport layer. The second organic emission layer opposite to the green sub-pixel region is formed in a stacked structure including first and second hole host layers and a dopant host layer.
Abstract translation: 一种有机发光显示装置，包括限定为红色，绿色和蓝色子像素区域的第一电极; 设置在所述第一电极上的空穴注入层; 设置在空穴注入层上的第一空穴传输层; 布置在与所述红色，绿色和蓝色子像素区域相对的所述第一空穴传输层上的第一，第二和第三有机发光层; 设置在所述第一，第二和第三有机发射层上的电子传输层; 以及设置在电子传输层上的第二电极。 与绿色子像素区域相对的第二有机发光层形成为包括第一和第二空穴主体层和掺杂剂主体层的层叠结构。
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