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1.发明申请公开(公告)号：US20140183464A1
公开(公告)日：2014-07-03
申请号：US13973275
申请日：2013-08-22
Applicant: LG Display Co., Ltd.
Inventor： Heume-Il BAEK , Ji-Heun LEE
CPC classification number: H01L27/3213 , H01L27/3244 , H01L51/5218 , H01L51/5231 , H01L2227/323
Abstract: An OLED display device includes a substrate; pixel regions defined by gate and data lines, each pixel region including red, green, first blue and second blue sub-pixels; a TFT in each pixel region; a first electrode connected to the thin film transistor; an insulating layer exposing the first electrode; hole injecting and hole transporting layers stacked on the first electrode; red, green and blue emitting layer on the hole transporting layer, the red and green emitting layers respectively being in the red and green sub-pixels, and the blue emitting layer being in the first and second blue sub-pixels; electron transporting and electron injecting layers stacked on the red, green and blue emitting layers; and a second electrode on the insulating layer and the electron injecting layer, wherein the first electrode in the second blue sub-pixel has a multi-layered structure of the first electrode layer and at least one metal layer.
Abstract translation: OLED显示装置包括：基板; 由栅极和数据线限定的像素区域，每个像素区域包括红色，绿色，第一蓝色和第二蓝色子像素; 每个像素区域中的TFT; 连接到所述薄膜晶体管的第一电极; 暴露第一电极的绝缘层; 空穴注入和空穴传输层堆叠在第一电极上; 红色，绿色和蓝色发光层，红色和绿色发光层分别在红色和绿色子像素中，并且蓝色发光层位于第一和第二蓝色子像素中; 堆叠在红色，绿色和蓝色发光层上的电子传输和电子注入层; 以及在所述绝缘层和所述电子注入层上的第二电极，其中所述第二蓝色子像素中的所述第一电极具有所述第一电极层和至少一个金属层的多层结构。
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公开(公告)号：US20210175305A1
公开(公告)日：2021-06-10
申请号：US17115692
申请日：2020-12-08
Applicant: LG Display Co., Ltd.
Inventor： Jeong-Mook CHOI , Heume-Il BAEK , Nack-Youn JUNG
IPC: H01L27/32
Abstract: An electroluminescent display device includes a substrate on which a display area and a non-display area are defined, sub-pixels disposed in the display area on the substrate and arranged along first and second directions, a light-emitting diode disposed at each sub-pixel and including a first electrode, a light-emitting layer and a second electrode, a first bank disposed between adjacent sub-pixels along the second direction and overlapping edges of the first electrode, and a second bank disposed between adjacent sub-pixels along the first direction and having an opening corresponding to a column of the sub-pixels arranged along the second direction, wherein the opening includes a first portion corresponding to the display area and a second portion corresponding to the non-display area, and a bottom surface of the light-emitting layer in the second portion has unevenness, and wherein an uneven pattern is provided under the light-emitting layer in the non-display area.
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Patent Agency Ranking
公开(公告)号：US20200176530A1
公开(公告)日：2020-06-04
申请号：US16524641
申请日：2019-07-29
Applicant: LG Display Co., Ltd.
Inventor： Heume-Il BAEK
IPC: H01L27/32
Abstract: A transparent display device includes: a substrate including an emission area and a first transparent area; first, second, and third pixel regions on the substrate and including the emission area and the first transparent area; a first bank on the substrate; a first opening surrounded by the first bank and corresponding to the first pixel region; a second opening surrounded by the first bank and corresponding to the second pixel region; a third opening surrounded by the first bank and corresponding to the third pixel region; a plurality of second banks overlapping at least one of the first, second, and third openings, and overlapping the first bank; and a light-emitting diode on the first, second, and third openings on the substrate.
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公开(公告)号：US20220173351A1
公开(公告)日：2022-06-02
申请号：US17515780
申请日：2021-11-01
Applicant: LG DISPLAY CO., LTD.
Inventor： Heume-Il BAEK , Jun-Ho YOUN , Jeong-Mook CHOI , Hee-Tae LIM , Ji-Ho KANG , Kyoung-Ji BAE , Jin-Ah KWAK , Sang-Bin LEE
Abstract: An electroluminescent display device includes: a substrate, a first electrode on the substrate, a connection pattern on the substrate, the connection pattern including 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 connection pattern and the second electrode, the auxiliary pattern including one or more of: a metal oxide, conductive nanoparticles, and a work function-modifying polymer.
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公开(公告)号：US20210175460A1
公开(公告)日：2021-06-10
申请号：US17108948
申请日：2020-12-01
Applicant: LG Display Co., Ltd.
Inventor： Heume-Il BAEK
Abstract: An electroluminescent display device comprises a substrate, a first electrode on the substrate, a connection pattern on the substrate and spaced apart from the first electrode, a bank covering edges of the first electrode and the connection pattern, a light-emitting layer on the first electrode, and a second electrode on the light-emitting layer, the bank and the connection pattern, wherein the connection pattern includes at least one protrusion part and a flat part, and wherein each of the first electrode and the connection pattern includes a first layer and a second layer, the second layer is disposed between the substrate and the first layer, and the second layer of the connection pattern has the at least one protrusion part.
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公开(公告)号：US20180182990A1
公开(公告)日：2018-06-28
申请号：US15844018
申请日：2017-12-15
Applicant: LG DISPLAY CO., LTD.
Inventor： Jun-Ho YOUN , Heume-Il BAEK
CPC classification number: H01L51/5044 , H01L27/322 , H01L51/5056 , H01L51/5072 , H01L51/5088 , H01L51/5092 , H01L51/5253 , H01L51/5265 , H01L51/5278
Abstract: An organic light emitting diode display device includes a substrate on which first, second and third pixel regions are defined; a first electrode in each of the first, second and third pixel regions on the substrate; a hole auxiliary layer on the first electrode; a first light emitting material layer on the hole auxiliary layer and emitting first light; an electron auxiliary layer on the first light emitting material layer; a second electrode on the electron auxiliary layer; and a color changing layer under the first electrode or on the second electrode, wherein the color changing layer includes first, second and third portions corresponding to the first, second and third pixel regions, respectively, and wherein the first portion absorbs the first light and outputs second light, the second portion absorbs the first light and outputs third light, and the third portion passes the first light as it is.
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公开(公告)号：US20170194385A1
公开(公告)日：2017-07-06
申请号：US15363915
申请日：2016-11-29
Applicant: LG Display Co., Ltd.
Inventor： Nack-Youn JUNG , Heume-Il BAEK , Myung-O JOO , Jeong-Mook CHOI , Yun-Joo JO
CPC classification number: H01L27/3206 , G02F2001/136222 , H01L27/14645 , H01L27/3211 , H01L27/3216 , H01L27/3218 , H01L27/322 , H01L27/3246 , H01L51/0072 , H01L51/0085 , H01L51/5012 , H01L51/5056 , H01L51/5088 , H01L51/5265 , H01L2251/558
Abstract: An organic light-emitting diode display device according to an embodiment includes a substrate on which red, green and blue sub-pixel regions are defined, first electrodes in the red, green and blue sub-pixel regions, respectively, and first, second and third light-emitting layers on the first electrodes in the red, green and blue sub-pixel regions, respectively. The organic light-emitting diode display device further includes a second electrode on the first, second and third light-emitting layers, and red, green and blue color filters disposed on the second electrode and corresponding to the red, green and blue sub-pixel regions, respectively, wherein a thickness of the first light-emitting layer is smaller than a thickness of the second light emitting layer.
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