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公开(公告)号:US20180190732A1
公开(公告)日:2018-07-05
申请号:US15858942
申请日:2017-12-29
申请人: LG DISPLAY CO., LTD.
发明人: So-Hee LEE , Jin-Ho PARK
CPC分类号: H01L27/3218 , H01L27/3211 , H01L27/3246 , H01L51/001 , H01L51/0011 , H01L51/5004 , H01L51/5064 , H01L51/5209 , H01L51/56 , H01L2227/323 , H01L2251/552 , H01L2251/558
摘要: An organic light-emitting display device is discussed in which an auxiliary hole transport layer is provided in contact with a hole injection layer in at least one sub-pixel, thereby preventing current leakage to an adjacent sub-pixel due to a common layer having high hole mobility and consequently preventing the adjacent sub-pixel from being unintentionally turned on.
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公开(公告)号:US20210296589A1
公开(公告)日:2021-09-23
申请号:US17260700
申请日:2019-12-21
申请人: LG DISPLAY CO., LTD.
发明人: In-Bum SONG , Seung-Hee YOON , Jin-Ho PARK , Dong-Hyeok LIM
IPC分类号: H01L51/00 , C07C15/28 , C09K11/06 , C07D307/91 , C07F5/02
摘要: 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 heteroaryl-substituted 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 a azine derivative, and the second hold blocking material is a benzimidazole derivative.
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3.
公开(公告)号:US20230209859A1
公开(公告)日:2023-06-29
申请号:US17981171
申请日:2022-11-04
申请人: LG Display Co., Ltd.
发明人: Jeong-Dae SEO , Shin-Han KIM , Min-Surk HYUNG , Kyu-Il HAN , Jin-Ho PARK , Seung-Kwang ROH , Sun-Kap KWON
IPC分类号: H01L51/50 , C07D471/14 , H01L51/00
CPC分类号: H01L51/5072 , H01L51/5004 , C07D471/14 , H01L51/0067
摘要: An organic light emitting diode includes a first emitting part including a first emitting material layer (EML) and a first electron transporting layer (ETL), a second emitting part including a second EML and between the first emitting part and the second electrode, an n-type charge generation layer (CGL) contacting the first ETL and between the first ETL and the second emitting part, and a p-type CGL contacting the n-type CGL and between the n-type CGL and the second emitting part. The first ETL includes a first compound, and the n-type CGL includes a second compound and an n-type dopant. A lowest unoccupied molecular orbital (LUMO) energy level of the first compound can be higher than a LUMO energy level of the second compound.
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4.
公开(公告)号:US20140183493A1
公开(公告)日:2014-07-03
申请号:US14134119
申请日:2013-12-19
申请人: LG Display Co., Ltd.
发明人: Heui-Dong LEE , Kwan-Soo KIM , Dae-Gwon SONG , Jin-Ho PARK , Sung-Ji YOON , Dong-Hyeok LIM
CPC分类号: H01L51/56 , H01L27/3211 , H01L51/506 , H01L51/5064
摘要: Disclosed herein are an organic light emitting display device includes first to third sub-pixels realizing different colors, wherein each of the first to third sub-pixels includes first and second electrodes disposed on a substrate so as to face each other, an emission layer formed between the first and second electrodes, a multi-layered hole transporting layer formed between the first electrode and the emission layer to be in contact with the first electrode and the emission layer, and an electron transporting layer formed between the second electrode and the emission layer, wherein multi-layered hole transporting layer of at least one of the first to third sub-pixels includes an at least two-layered first hole transporting layer formed of a hole host and a p-type dopant having a doping concentration of 1 to 10% and a second hole transporting layer formed of the hole host.
摘要翻译: 本文公开了一种有机发光显示装置,包括实现不同颜色的第一至第三子像素,其中第一至第三子像素中的每一个包括设置在基板上以彼此面对的第一和第二电极,形成的发射层 在第一和第二电极之间,形成在第一电极和发射层之间的与第一电极和发射层接触的多层空穴传输层,以及形成在第二电极和发射层之间的电子传输层 其中,所述第一至第三子像素中的至少一个的多层空穴传输层包括由空穴宿主形成的至少两层的第一空穴传输层和掺杂浓度为1〜10的p型掺杂剂 %和由孔主体形成的第二空穴传输层。
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公开(公告)号:US20140167015A1
公开(公告)日:2014-06-19
申请号:US14109084
申请日:2013-12-17
申请人: LG DISPLAY CO., LTD.
发明人: Se-Hee LEE , Kwan-Soo KIM , Seok-Jong LEE , Jin-Ho PARK , Sun-Kap KWON
IPC分类号: H01L51/50
CPC分类号: H01L51/504 , H01L27/3211 , H01L51/0058 , H01L51/0072 , H01L51/0077 , H01L51/0081 , H01L51/5012 , H01L51/5064 , H01L51/5218 , H01L51/5234 , H01L51/5265 , H01L2251/5384
摘要: An organic light emitting display device includes a first electrode formed on a substrate and being a reflective electrode, a second electrode facing the first electrode and being a semi-transparent electrode, and red, green and blue emission layers formed between the first and second electrodes, wherein a maximum electroluminescent peak of the redemission layer and a maximum photoluminescence peak of a host included in the red emission layer satisfy Equation 1 below: REDELλmax−RHPLλmax≧120 nm wherein REDELλmax is a maximum electroluminescent peak of the red emission layer, and RHPLλmax is a maximum photoluminescence peak of a red host included in the red emission layer.
摘要翻译: 有机发光显示装置包括形成在基板上并且是反射电极的第一电极,面对第一电极并且是半透明电极的第二电极,以及形成在第一和第二电极之间的红色,绿色和蓝色发射层 其中红色发射层中包含的发射层的最大电致发光峰和最大光致发光峰满足下面的等式1:REDELλmax-RHPLλmax≥120nm<等式1>其中REDELλmax是红色发射的最大电致发光峰 层,RHPLλmax是包含在红色发射层中的红色主体的最大光致发光峰。
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公开(公告)号:US20140054556A1
公开(公告)日:2014-02-27
申请号:US13723920
申请日:2012-12-21
申请人: LG DISPLAY CO., LTD.
发明人: Jin-Ho PARK , Kwang-Hyun KIM , Mi-Na KIM
IPC分类号: H01L51/50
CPC分类号: H01L51/56 , H01L27/153 , H01L27/3211 , H01L51/504 , H01L51/5064 , H01L51/5265 , H01L2251/558
摘要: An organic light-emitting diode includes an anode on a substrate; a first hole transporting layer on the anode; a second hole transporting layer on the first hole transporting layer and corresponding to the red and green pixel areas; a first emitting material pattern of a first thickness on the second hole transporting layer and corresponding to the red pixel area; a second emitting material pattern of a second thickness on the second hole transporting layer and corresponding to the green pixel area; a third emitting material pattern of a third thickness on the first hole transporting layer and corresponding to the blue pixel area; an electron transporting layer on the first, second and third emitting material patterns; and a cathode on the electron transporting layer, wherein the second thickness is less than the first thickness and greater than the third thickness.
摘要翻译: 有机发光二极管包括在基板上的阳极; 阳极上的第一空穴传输层; 在第一空穴传输层上并对应于红色和绿色像素区域的第二空穴传输层; 在第二空穴传输层上并对应于红色像素区域的第一厚度的第一发光材料图案; 第二厚度的第二发光材料图案在第二空穴传输层上并对应于绿色像素区域; 第三厚度的第三发光材料图案在第一空穴传输层上,并对应于蓝色像素区域; 在第一,第二和第三发光材料图案上的电子传输层; 和电子传输层上的阴极,其中第二厚度小于第一厚度并且大于第三厚度。
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公开(公告)号:US20240341172A1
公开(公告)日:2024-10-10
申请号:US18744577
申请日:2024-06-14
申请人: LG DISPLAY CO., LTD.
发明人: In-Bum SONG , Seung-Hee YOON , Shin-Han KIM , So-Young JANG , Jin-Ho PARK , Dong-Hyeok LIM , Yoon-Deok HAN
IPC分类号: H10K85/60 , H10K50/13 , H10K85/30 , H10K101/00
CPC分类号: H10K85/626 , H10K85/322 , H10K85/6574 , H10K50/131 , H10K2101/90
摘要: The present disclosure relates to an OLED that includes a first electrode; a second electrode facing the first electrode; and a first emitting material layer including a first host, a second host and a first blue dopant and positioned between the first and second electrodes, 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:US20200212147A1
公开(公告)日:2020-07-02
申请号:US16725785
申请日:2019-12-23
申请人: LG Display Co., Ltd.
发明人: Kyu-Il HAN , Nam-Seok YOO , Jin-Ho PARK , Mi-Na KIM , Hyung-Won PARK , Jung-Mo CHO , Yu-Ri PARK , Hyoung-Min KIM , Seung-Ho SON
摘要: Disclosed is a display device. In accordance with the display device, before an organic stack of a light-emitting diode is formed, a sticker is attached to a substrate, while a camera hole-forming portion and a margin area around the same are present, to form the organic stack, and the sticker and components on top of the sticker, such as the organic stack, are removed, so that the edge of the organic stack can be aligned without any additional process using separate masks and the reliability of the display device can be improved due to the provision of the organic stack at a location spaced apart from the camera hole by the margin area.
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公开(公告)号:US20190207122A1
公开(公告)日:2019-07-04
申请号:US16216192
申请日:2018-12-11
申请人: LG Display Co., Ltd.
发明人: Dong-Hyeok LIM , Jin-Ho PARK
CPC分类号: H01L51/0072 , H01L51/0052 , H01L51/0067 , H01L51/5004 , H01L51/5012 , H01L51/5056 , H01L51/508 , H01L51/5092 , H01L51/5096
摘要: Provided are an organic light emitting device with improved UV lifespan, based on changed configuration of an electron transport layer, and an organic light emitting display including the same.
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公开(公告)号:US20140363913A1
公开(公告)日:2014-12-11
申请号:US14466025
申请日:2014-08-22
申请人: LG Display Co., Ltd.
发明人: Jin-Ho PARK , Kwang-Hyun KIM , Mi-Na KIM
CPC分类号: H01L51/56 , H01L27/153 , H01L27/3211 , H01L51/504 , H01L51/5064 , H01L51/5265 , H01L2251/558
摘要: An organic light-emitting diode includes an anode on a substrate; a first hole transporting layer on the anode; a second hole transporting layer on the first hole transporting layer and corresponding to the red and green pixel areas; a first emitting material pattern of a first thickness on the second hole transporting layer and corresponding to the red pixel area; a second emitting material pattern of a second thickness on the second hole transporting layer and corresponding to the green pixel area; a third emitting material pattern of a third thickness on the first hole transporting layer and corresponding to the blue pixel area; an electron transporting layer on the first, second and third emitting material patterns; and a cathode on the electron transporting layer, wherein the second thickness is less than the first thickness and greater than the third thickness.
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