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公开(公告)号：US11081673B2
公开(公告)日：2021-08-03
申请号：US16547481
申请日：2019-08-21
Applicant: LG Display Co., Ltd.
Inventor： Jonghyeok Im , SeJune Kim
Abstract: A reflective display device provided with an optical layer which is capable of improving adhesion between a substrate and a reflective layer and controlling a color of reflected light is disclosed. The reflective display device includes first and second substrates facing each other, each of which includes a display area and a reflective area; a display element provided in the display area; a reflective layer provided in the reflective area and arranged on one surface of the second substrate to reflect incident light; and an optical layer arranged between the second substrate and the reflective layer.
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22.发明授权公开(公告)号：US10854699B2
公开(公告)日：2020-12-01
申请号：US16112330
申请日：2018-08-24
Applicant: LG Display Co., Ltd.
Inventor： Joonsuk Lee , SeJune Kim
Abstract: Discussed is an organic light emitting display device with auxiliary electrode and method of manufacturing the same according to the embodiments. The present disclosure is directed to provide a top emission type transparent organic light emitting display device and a method of manufacturing the same, which provides an area of an auxiliary electrode that effectively reduces a resistance of a cathode electrode, and decreases the number of masks, thereby simplifying the manufacturing process.
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公开(公告)号：US09947733B2
公开(公告)日：2018-04-17
申请号：US15377656
申请日：2016-12-13
Applicant: LG Display Co., Ltd.
Inventor： Jin-Hee Jang , SeJune Kim , SoJung Lee
CPC classification number: H01L27/3246 , H01L51/0023 , H01L51/5203 , H01L51/5228 , H01L51/56
Abstract: An organic light emitting display device can include a substrate; an anode electrode on the substrate; an organic emitting layer on the anode electrode; a cathode electrode on the organic emitting layer; an auxiliary electrode connected with the cathode electrode; a first bank on an upper surface of the auxiliary electrode; and a second bank disposed between the auxiliary electrode and the anode electrode, in which the second bank is formed of a same material as the first bank, and the first and second banks are spaced apart from each other, and a width of an upper surface of the first bank is larger than a width of a lower surface of the first bank, and the cathode electrode is connected with the auxiliary electrode via a gap space between the first bank and the second bank.
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公开(公告)号：US09806279B2
公开(公告)日：2017-10-31
申请号：US14792660
申请日：2015-07-07
Applicant: LG Display Co., Ltd.
Inventor： JongHyeok Im , SeJune Kim , JoonSuk Lee , SoJung Lee , JaeSung Lee
CPC classification number: H01L51/5228 , H01L27/3246 , H01L27/3279 , H01L51/5206 , H01L51/5212 , H01L51/56 , H01L2251/301 , H01L2251/308
Abstract: Provided are an organic light emitting display device and a manufacturing method thereof. In the organic light emitting display device, after an auxiliary electrode having a multilayer structure including different kinds of metals different in etching speed is formed, a void is formed within the auxiliary electrode upon formation of an anode. The resulting structure is created by a simplified process, with contact reliability between a cathode and the auxiliary electrode being enhanced, while resistance of the cathode is reduced.
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公开(公告)号：US20230189572A1
公开(公告)日：2023-06-15
申请号：US17868620
申请日：2022-07-19
Applicant: LG Display Co., Ltd.
Inventor： Joonsuk Lee , DoYoung Kum , SeJune Kim
IPC: H01L27/32
CPC classification number: H01L27/3246 , H01L27/3248 , H01L27/3262
Abstract: The present disclosure relates to an electroluminescence display. An electroluminescence display according to the present disclosure comprises: a pixel disposed on a substrate; a low resistance line disposed as one side of the pixel; a passivation layer on the low resistance line covering whole of the substrate; a planarization layer on the passivation layer covering whole of the substrate; a cathode contact hole exposing some of the low resistance line; an anode electrode disposed on the planarization layer; an under-cut trench formed at the planarization layer disposed between the anode electrode and the cathode contact hole; a bank covering circumference area of the anode electrode; an emission layer on the bank, the anode electrode and the planarization layer and a cathode electrode on the emission layer, wherein the cathode electrode connects the low resistance line through the cathode contact hole.
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Patent Agency Ranking
公开(公告)号：US11189814B2
公开(公告)日：2021-11-30
申请号：US16368366
申请日：2019-03-28
Applicant: LG Display Co., Ltd.
Inventor： SeJune Kim , Joonsuk Lee , SoJung Lee , Jin-Hee Jang , Jonghyeok Im , JaeSung Lee
Abstract: Provided are an organic light-emitting display apparatus and a method of manufacturing the same. An organic light-emitting display apparatus includes: a substrate including an active area and a pad area, an anode electrode in the active area, an organic emission layer on the anode electrode, a cathode electrode on the organic emission layer, an auxiliary electrode connected to the cathode electrode, a signal pad in the pad area, and a first pad electrode connected to the signal pad, the first pad electrode covering a top of the signal pad, the first pad electrode being configured to prevent the top of the signal pad from being corroded, wherein the auxiliary electrode includes a first auxiliary electrode and a second auxiliary electrode connected to the first auxiliary electrode through a contact hole, and wherein the first pad electrode includes a same material as the first auxiliary electrode.
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公开(公告)号：US10090370B2
公开(公告)日：2018-10-02
申请号：US15338048
申请日：2016-10-28
Applicant: LG Display Co., Ltd.
Inventor： Joonsuk Lee , SeJune Kim
Abstract: Discussed is an organic light emitting display device according to the embodiments. The organic light emitting display device includes an anode electrode in each of a plurality of pixels defined on a substrate, a bank and an organic emission layer on the anode electrode, a cathode electrode on the organic emission layer, and an auxiliary electrode connected to the cathode electrode. The auxiliary electrode is provided on the bank, thereby the auxiliary electrode is disposed on a layer different from the anode electrode.
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公开(公告)号：US10056441B2
公开(公告)日：2018-08-21
申请号：US15918817
申请日：2018-03-12
Applicant: LG Display Co., Ltd.
Inventor： Jin-Hee Jang , SeJune Kim , SoJung Lee
IPC: H01L21/3105 , H01L27/32 , H01L51/52 , H01L51/56 , H01L51/00
CPC classification number: H01L27/3246 , H01L51/0023 , H01L51/5203 , H01L51/5228 , H01L51/56
Abstract: A method of manufacturing an organic light emitting display (OLED) device can include providing an anode electrode and an auxiliary electrode on a substrate; providing a first bank on the auxiliary electrode; providing a second bank between the auxiliary electrode and the anode electrode, in which the second bank is spaced apart from the first bank; providing an organic emitting layer on the anode electrode; and providing a cathode electrode on the organic emitting layer, in which a width of an upper surface of the first bank is larger than a width of a lower surface of the first bank, and the cathode electrode is connected with the auxiliary electrode via a gap space between the first bank and the second bank.
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公开(公告)号：US10056440B2
公开(公告)日：2018-08-21
申请号：US15166970
申请日：2016-05-27
Applicant: LG DISPLAY CO., LTD.
Inventor： Jonghyeok Im , SeJune Kim , Joonsuk Lee , SoJung Lee , Jin-Hee Jang , JaeSung Lee
CPC classification number: H01L27/3246 , H01L27/3276 , H01L27/3279 , H01L51/5228 , H01L51/5237 , H01L2251/5315
Abstract: Discussed is an organic light emitting display device that may include an active area and a pad area on a substrate, wherein the active area includes an anode electrode, an organic emitting layer, a cathode electrode, and an auxiliary electrode connected with the cathode electrode and provided in the same layer as the anode electrode, and the pad area includes a signal pad, and a passivation layer for covering a lateral surface of the signal pad, wherein the passivation layer has a contact hole for exposing an upper surface of the signal pad. Also, the signal pad includes a lower signal pad, a central signal pad and an upper signal pad, and the central signal pad is surrounded by the lower signal pad, the upper signal pad and the passivation layer.
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公开(公告)号：US09923175B2
公开(公告)日：2018-03-20
申请号：US15434257
申请日：2017-02-16
Applicant: LG Display Co., Ltd.
Inventor： SeJune Kim , Joonsuk Lee , SoJung Lee , Jin-Hee Jang , Jonghyeok Im , JaeSung Lee
CPC classification number: H01L51/56 , H01L27/1248 , H01L27/3246 , H01L27/3248 , H01L27/3258 , H01L27/326 , H01L27/3262 , H01L27/3276 , H01L51/0023 , H01L51/5203 , H01L51/5212 , H01L51/5228 , H01L51/5237 , H01L2227/323
Abstract: Provided are an organic light-emitting display apparatus and a method of manufacturing the same. An organic light-emitting display apparatus includes: a substrate including an active area and a pad area, an anode electrode in the active area, an organic emission layer on the anode electrode, a cathode electrode on the organic emission layer, an auxiliary electrode connected to the cathode electrode, a signal pad in the pad area, and a first pad electrode connected to the signal pad, the first pad electrode covering a top of the signal pad, the first pad electrode being configured to prevent the top of the signal pad from being corroded, wherein the auxiliary electrode includes a first auxiliary electrode and a second auxiliary electrode connected to the first auxiliary electrode through a contact hole, and wherein the first pad electrode includes a same material as the first auxiliary electrode.
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