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公开(公告)号：US08957408B2
公开(公告)日：2015-02-17
申请号：US13689961
申请日：2012-11-30
申请人： LG Display Co., Ltd.
发明人： Dong-Hee Nam , Young-Gu Lee , Hee-Jin Kim , Hak-Min Lee
CPC分类号： H01L51/50 , H01L27/3211 , H01L51/0002 , H01L51/0003 , H01L51/0008 , H01L51/5004 , H01L51/504
摘要： An organic light emitting device, efficacy and lifetime of which are improved by forming a blue light emitting layer disposed over respective pixels in common as a double layer structure, includes a substrate divided into and defined by first to third pixels, a first electrode disposed on the TFT substrate and a second electrode facing the first electrode, the second electrode being spaced from the first electrode, a first light emitting layer and a second light emitting layer disposed in the first pixel and in the second pixel, respectively, between the first electrode and the second electrode, a sub-light emitting layer and a third light emitting layer disposed over the first to third pixels in this order on the first light emitting layer and the second light emitting layer.
摘要翻译： 一种有机发光器件，其功效和寿命通过以双层结构形成共同设置在各个像素上的蓝色发光层而被改善，包括分为第一至第三像素并由其定义的衬底，第一电极设置在 TFT基板和面向第一电极的第二电极，第二电极与第一电极间隔开，第一发光层和第二发光层分别设置在第一像素和第二像素中，第一电极 以及在第一发光层和第二发光层上依次设置在第一至第三像素上的第二电极，副发光层和第三发光层。
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公开(公告)号：US08766247B2
公开(公告)日：2014-07-01
申请号：US13727275
申请日：2012-12-26
申请人： LG Display Co., Ltd.
发明人： Dong-Hee Nam , Young-Gu Lee , Hee-Jin Kim , Hak-Min Lee
IPC分类号： H01L33/00
CPC分类号： H01L51/5203 , H01L51/0003 , H01L51/0008 , H01L51/5004 , H01L51/56 , H01L2251/308
摘要： An organic light emitting device includes a substrate divided into and defined by first to third pixels, a first electrode disposed on the substrate and a second electrode facing the first electrode, a first light emitting layer and a second light emitting layer disposed in the first pixel and in the second pixel, respectively, between the first electrode and the second electrode, a first triplet exciton confinement layer, a third light emitting layer and a second triplet exciton confinement layer disposed over the first to third pixels in this order, on the first light emitting layer and the second light emitting layer, and a first common layer disposed between the first light emitting layer and the second light emitting layer, and the first electrode, and a second common layer disposed between the second triplet exciton confinement layer and the second electrode.
摘要翻译： 有机发光器件包括分为第一至第三像素并由其定义的衬底，设置在衬底上的第一电极和面对第一电极的第二电极，设置在第一像素中的第一发光层和第二发光层 并且分别在第一电极和第二电极之间的第二像素中，第一三重态激子约束层，第三发光层和第二三重态激子限制层，其依次布置在第一至第三像素上，第一 发光层和第二发光层以及设置在第一发光层和第二发光层之间的第一公共层和第一电极以及设置在第二三重态激子限制层和第二发光层之间的第二公共层 电极。
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3.发明授权公开(公告)号：US12127438B2
公开(公告)日：2024-10-22
申请号：US17476092
申请日：2021-09-15
申请人： LG DISPLAY CO., LTD.
发明人： Hak-Min Lee , Hee-Jin Kim
IPC分类号： H01L27/32 , H10K59/122 , H10K59/35
CPC分类号： H10K59/122 , H10K59/353
摘要： An electroluminescent display device includes a substrate, a first electrode on the substrate, a connection pattern on the substrate and formed of a same material as the first electrode, a bank covering edges of the first electrode and the connection pattern, a light-emitting layer on the first electrode, a second electrode on the light-emitting layer, the bank, and the connection pattern, and an auxiliary pattern between the second electrode and the connection pattern, wherein a side surface of the auxiliary pattern has a greater inclination angle than a side surface of the bank.
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公开(公告)号：US11094761B2
公开(公告)日：2021-08-17
申请号：US16711121
申请日：2019-12-11
申请人： LG Display Co., Ltd.
发明人： Sung-Soo Park , Nack-Youn Jung , Hee-Jin Kim , Hak-Min Lee , Myung-O Joo , Jeong-Mook Choi
IPC分类号： H01L27/32
摘要： An organic light emitting display device and a method of fabricating thereof are discussed. The organic light emitting display device according to an example of the invention comprises a first substrate; a plurality of first bank layers arranged along a first direction and a second direction on the first substrate to define a plurality of pixels; a plurality of second bank layers disposed along the first direction on the first bank layers to divide columns of pixels having different colors; a plurality of third bank layers disposed along the second direction on the first bank layers; and an organic light emitting diode in each pixel, the organic light emitting diode including an organic light emitting layer, wherein the third bank layer is made of a same material as the second bank layer and the width of the third bank layer is smaller than that of the second bank layer.
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公开(公告)号：US11049918B2
公开(公告)日：2021-06-29
申请号：US16705007
申请日：2019-12-05
申请人： LG Display Co., Ltd.
发明人： Hak-Min Lee , Nack-Youn Jung , Hee-Jin Kim , Myung-O Joo , Sung-Soo Park , Jeong-Mook Choi
摘要： An organic light emitting display device and method of fabricating thereof is disclosed. The organic light emitting display device comprises a first substrate; a plurality of first bank layers arranged along a first direction and a second direction on the first substrate to define a plurality of pixels, where the first direction and the second direction are orthogonal; a plurality of second bank layers disposed along the first direction on the first bank layers to divide pixels columns of different colors; and an organic light emitting diode in each pixel, the organic light emitting diode including an organic light emitting layer having different thicknesses on different colored pixels, wherein the side surfaces of the second bank layer adjacent to the pixel columns of different colors are inclined, the inclined angle thereof is dependent upon a thickness of the organic light emitting layer in the pixel.
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公开(公告)号：US09088001B2
公开(公告)日：2015-07-21
申请号：US14540879
申请日：2014-11-13
申请人： LG DISPLAY CO., LTD.
发明人： Young-Ju Kim , Jeong-Kyun Shin , Hee-Jin Kim
CPC分类号： H01L51/5008 , H01L27/3211 , H01L51/50 , H01L51/5004 , H01L51/5016 , H01L51/504 , H01L51/56 , H01L2251/5384
摘要： Discussed are an organic light emitting display and a method for fabricating the same to improve color purity and efficiency. The organic light emitting display includes a substrate having first to third sub-pixels, first and second electrodes formed on the substrate, the first and second electrodes facing each other, a red light emitting layer formed in the first sub-pixel between the first and second electrodes, a green light emitting layer formed in the second sub-pixel between the first and second electrodes, and a blue common light emitting layer formed in the first to third sub-pixels between the first and second electrodes, wherein a thin film layer formed between the first electrode and the blue common light emitting layer and contacting the blue common light emitting layer includes a blue host.
摘要翻译： 讨论了有机发光显示器及其制造方法，以提高色纯度和效率。 有机发光显示器包括具有第一至第三子像素的基板，形成在基板上的第一和第二电极，第一和第二电极彼此面对，在第一子像素中形成的红色发光层，位于第一和第二子像素之间， 第二电极，形成在第一和第二电极之间的第二子像素中的绿色发光层和形成在第一和第二电极之间的第一至第三子像素中的蓝色公共发光层，其中薄膜层 形成在第一电极和蓝色共同发光层之间并与蓝色共同发光层接触的部分包括蓝色主体。
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公开(公告)号：US10784460B2
公开(公告)日：2020-09-22
申请号：US16656434
申请日：2019-10-17
申请人： LG Display Co., Ltd.
发明人： Hak-Min Lee , Young-Jun Yu , Hee-Jin Kim , Sung-Soo Park
IPC分类号： H01L51/52 , G09G3/3258 , H01L51/50 , H01L27/32
摘要： Provided are an electroluminescent device and an electroluminescent display device. The electroluminescent device includes an anode and a cathode facing each other, a light compensation layer located between the anode and the cathode and having a first refractive index, and an emitting material layer located between the light compensation layer and the cathode, and having a second refractive index higher than the first refractive index.
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公开(公告)号：US20200185472A1
公开(公告)日：2020-06-11
申请号：US16711121
申请日：2019-12-11
申请人： LG Display Co., Ltd.
发明人： Sung-Soo Park , Nack-Youn Jung , Hee-Jin Kim , Hak-Min Lee , Myung-O Joo , Jeong-Mook Choi
IPC分类号： H01L27/32
摘要： An organic light emitting display device and a method of fabricating thereof are discussed. The organic light emitting display device according to an example of the invention comprises a first substrate; a plurality of first bank layers arranged along a first direction and a second direction on the first substrate to define a plurality of pixels; a plurality of second bank layers disposed along the first direction on the first bank layers to divide columns of pixels having different colors; a plurality of third bank layers disposed along the second direction on the first bank layers; and an organic light emitting diode in each pixel, the organic light emitting diode including an organic light emitting layer, wherein the third bank layer is made of a same material as the second bank layer and the width of the third bank layer is smaller than that of the second bank layer.
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公开(公告)号：US10333107B2
公开(公告)日：2019-06-25
申请号：US15847725
申请日：2017-12-19
申请人： LG Display Co., Ltd.
发明人： Hak-Min Lee , Hee-Jin Kim , Sung-Soo Park
摘要： An electroluminescent display device includes a substrate; a first electrode on the substrate; a hole auxiliary layer on the first electrode; a light emitting material layer on the hole auxiliary layer; an electron auxiliary layer on the light emitting material layer; a second electrode on the electron auxiliary layer; and insulation layers between the hole auxiliary layer and the light emitting material layer and between the electron auxiliary layer and the light emitting material layer, wherein a refractive index of the insulation layers is smaller than a refractive index of the light emitting material layer.
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公开(公告)号：US11937462B2
公开(公告)日：2024-03-19
申请号：US17678085
申请日：2022-02-23
申请人： LG DISPLAY CO., LTD.
发明人： Jeong-Mook Choi , Nack-Youn Jung , Hee-Jin Kim , Hak-Min Lee , Myung-O Joo , Sung-Soo Park
IPC分类号： H10K59/122 , H10K59/131 , H10K59/88 , H10K71/13
CPC分类号： H10K59/122 , H10K59/131 , H10K59/88 , H10K71/135
摘要： An electroluminescent display device includes an electroluminescent display device includes a substrate; a first pixel row on the substrate including a first plurality of pixels arranged along a first direction; a second pixel row on the substrate including a second plurality of pixels arranged along the first direction, the second pixel row being spaced apart from the first pixel row in a second direction; a first groove between the first and second pixel rows; and a light emitting diode in each pixel of the first and second pixel rows, wherein the first groove includes a first portion at one end of the first pixel row, a second portion at the other end of the first pixel row and a third portion between the first and second portions, and wherein third portion is smaller than the first portion and greater than the second portion.
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