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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
Applicant: LG Display Co., Ltd.
Inventor： Dong-Hee Nam , Young-Gu Lee , Hee-Jin Kim , Hak-Min Lee
CPC classification number: H01L51/50 , H01L27/3211 , H01L51/0002 , H01L51/0003 , H01L51/0008 , H01L51/5004 , H01L51/504
Abstract: 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.
Abstract translation: 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
Applicant: LG Display Co., Ltd.
Inventor： Dong-Hee Nam , Young-Gu Lee , Hee-Jin Kim , Hak-Min Lee
IPC: H01L33/00
CPC classification number: H01L51/5203 , H01L51/0003 , H01L51/0008 , H01L51/5004 , H01L51/56 , H01L2251/308
Abstract: 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.
Abstract translation: 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
Applicant: LG DISPLAY CO., LTD.
Inventor： Hak-Min Lee , Hee-Jin Kim
IPC: H01L27/32 , H10K59/122 , H10K59/35
CPC classification number: H10K59/122 , H10K59/353
Abstract: 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
Applicant: LG Display Co., Ltd.
Inventor： Sung-Soo Park , Nack-Youn Jung , Hee-Jin Kim , Hak-Min Lee , Myung-O Joo , Jeong-Mook Choi
IPC: H01L27/32
Abstract: 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
Applicant: LG Display Co., Ltd.
Inventor： Hak-Min Lee , Nack-Youn Jung , Hee-Jin Kim , Myung-O Joo , Sung-Soo Park , Jeong-Mook Choi
Abstract: 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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Patent Agency Ranking
6.发明授权公开(公告)号：US12213334B2
公开(公告)日：2025-01-28
申请号：US17519499
申请日：2021-11-04
Applicant: LG Display Co., Ltd.
Inventor： Hee-Jin Kim , Hak-Min Lee , Sung-Soo Park
IPC: H01L51/50 , H10K50/11 , H10K50/165 , H10K50/17 , H10K50/81 , H10K50/82 , H10K59/12 , H10K59/35 , H10K71/00 , H10K71/12 , H10K71/13 , H10K101/00 , H10K101/10 , H10K101/30 , H10K101/40
Abstract: The present invention provides an organic emitting diode including a first electrode; a second electrode facing the first electrode; an emitting material layer between the first and second electrodes; and an intervening layer between the emitting material layer and the second electrode and including a base material and an electron injection material, wherein the intervening layer contacts the second electrode.
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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
Applicant: LG Display Co., Ltd.
Inventor： Hak-Min Lee , Young-Jun Yu , Hee-Jin Kim , Sung-Soo Park
IPC: H01L51/52 , G09G3/3258 , H01L51/50 , H01L27/32
Abstract: 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
Applicant: LG Display Co., Ltd.
Inventor： Sung-Soo Park , Nack-Youn Jung , Hee-Jin Kim , Hak-Min Lee , Myung-O Joo , Jeong-Mook Choi
IPC: H01L27/32
Abstract: 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
Applicant: LG Display Co., Ltd.
Inventor： Hak-Min Lee , Hee-Jin Kim , Sung-Soo Park
Abstract: 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
Applicant: LG DISPLAY CO., LTD.
Inventor： Jeong-Mook Choi , Nack-Youn Jung , Hee-Jin Kim , Hak-Min Lee , Myung-O Joo , Sung-Soo Park
IPC: H10K59/122 , H10K59/131 , H10K59/88 , H10K71/13
CPC classification number: H10K59/122 , H10K59/131 , H10K59/88 , H10K71/135
Abstract: 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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