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公开(公告)号：US11088339B2
公开(公告)日：2021-08-10
申请号：US16519403
申请日：2019-07-23
Applicant: LG Display Co., Ltd.
Inventor： Ho-Jin Kim , SeungMin Baik , JiYeon Park , Sul Lee , Sukhyeun Jang
Abstract: An electroluminescent display device includes: an electroluminescent display device, including: a substrate including: a first subpixel, and a second subpixel, a respective first electrode in each of the first subpixel and the second subpixel on the substrate, a trench in a boundary between the first subpixel and the second subpixel on the substrate, an emission layer on the first electrode, and in the first subpixel, the second subpixel, and the boundary between the first subpixel and the second subpixel, at least some of the emission layer being noncontiguous in the trench, a pore below the emission layer inside the trench, an upper end of the pore being relatively higher than at least some of the emission layer, and a second electrode on the emission layer.
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公开(公告)号：US10910441B2
公开(公告)日：2021-02-02
申请号：US16502647
申请日：2019-07-03
Applicant: LG Display Co., Ltd.
Inventor： Dongyoung Kim , YongBaek Lee , Ho-Jin Kim , Goeun Jung
Abstract: An organic light emitting display device includes a substrate; first and second organic light emitting diodes laterally shifted with respect to each other on the substrate; an encapsulation layer covering the first and second organic light emitting diodes, the encapsulation layer including a plurality of layers; and a first color filter and a second color filter each within the plurality of layers, the first color filter and the second color filter being respectively disposed over respective ones of the first and second organic light emitting diodes at respectively different heights from the substrate.
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公开(公告)号：US10692947B2
公开(公告)日：2020-06-23
申请号：US15786169
申请日：2017-10-17
Applicant: LG DISPLAY CO., LTD.
Inventor： JongSung Kim , Ho-Jin Kim , SeungMin Baik
IPC: H01L27/32
Abstract: Disclosed are a light emitting display device and a method of manufacturing the same, which prevent a lifetime of a light emitting layer from being shortened and prevent occurrence of a turn-on defect. The light emitting display device includes a plurality of pixels each including a transistor having a gate electrode, an active layer overlapping the gate electrode, a source electrode connected to one side of the active layer, and a drain electrode connected to another side of the active layer. The pixels further include a light emitting device having a first electrode, a light emitting layer disposed on the first electrode, and a second electrode disposed on the light emitting layer. The light emitting display device includes a contact hole, and the first electrodes of at least two of the pixels are electrically connected to side surfaces of respective source electrodes or to side surfaces of respective drain electrodes in the contact hole.
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公开(公告)号：US10388702B2
公开(公告)日：2019-08-20
申请号：US15787027
申请日：2017-10-18
Applicant: LG Display Co., Ltd.
Inventor： Dongyoung Kim , YongBaek Lee , Ho-Jin Kim , Goeun Jung
Abstract: An organic light emitting display device includes a substrate; first and second organic light emitting diodes laterally shifted with respect to each other on the substrate; an encapsulation layer covering the first and second organic light emitting diodes, the encapsulation layer including a plurality of layers; and a first color filter and a second color filter each within the plurality of layers, the first color filter and the second color filter being respectively disposed over respective ones of the first and second organic light emitting diodes at respectively different heights from the substrate.
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公开(公告)号：US20240224688A1
公开(公告)日：2024-07-04
申请号：US18521844
申请日：2023-11-28
Applicant: LG Display Co., Ltd.
Inventor： Ho-Jin Kim , Seung-Min Baik , Hyeong-Jun Lim , Bong-Choon Kwak
CPC classification number: H10K59/353 , H10K59/876
Abstract: A display device includes a trench, which includes: first and second trench lines respectively located between neighboring column lines and between neighboring row lines, wherein the first trench line includes a first side groove in a column direction, and first and second corner grooves connected between adjacent first side grooves, forming an isosceles portion protruding to one side in a row direction, having second and first diagonal directions, respectively, and connected to each other at a first contact point, wherein the second trench line includes a second side groove in the row direction, and the first and second corner grooves connected between adjacent second side grooves, forming an isosceles portion protruding to one side in the column direction, and connected to each other at a second contact point, wherein the protruding isosceles portions of the first and second trench lines share the first corner groove.
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Patent Agency Ranking
公开(公告)号：US11895892B2
公开(公告)日：2024-02-06
申请号：US17561211
申请日：2021-12-23
Applicant: LG Display Co., Ltd.
Inventor： Hyeongjun Lim , Ho-Jin Kim
IPC: H10K59/35 , H10K50/818
CPC classification number: H10K59/353 , H10K50/818 , H10K59/351
Abstract: A display apparatus can include a substrate including a plurality of subpixels and a plurality of contact portions provided on one side of each of the plurality of subpixels, an insulating layer provided on the substrate, a first electrode provided in each of the plurality of subpixels and each of the plurality of contact portions on the insulating layer, a fence provided on the first electrode, a light emitting layer provided on the insulating layer, the fence, and the first electrode, a second electrode provided on the light emitting layer, a filling layer provided on the second electrode, and a trench provided in the fence and the insulating layer. The trench can include a first trench provided between the contact portions adjacent to each other and a second trench provided between the subpixels adjacent to each other.
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公开(公告)号：US11659727B2
公开(公告)日：2023-05-23
申请号：US17019115
申请日：2020-09-11
Applicant: LG Display Co., Ltd.
Inventor： SeungMin Baik , JiYeon Park , Ho-Jin Kim
CPC classification number: H01L51/5096 , H01L27/322 , H01L27/3244 , H01L51/5044 , H01L51/5072 , H01L51/5092 , H01L51/5271 , H01L51/5275
Abstract: Disclosed is an electroluminescent display device including a first pixel including a first sub pixel configured to emit first colored light, a second sub pixel configured to emit second colored light, and a third sub pixel configured to emit third colored light, a first electrode in the first sub pixel, an emission layer on the first electrode, a second electrode on the emission layer, and a first charge blocking layer provided below the second electrode and configured to prevent a light emission in the emission layer, wherein the first electrode is electrically connected with a driving thin film transistor in a first contact area provided in the first sub pixel, and the first charge blocking layer is overlapped with the first contact area.
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公开(公告)号：US11489134B2
公开(公告)日：2022-11-01
申请号：US15790580
申请日：2017-10-23
Applicant: LG Display Co., Ltd.
Inventor： YongBaek Lee , Ho-Jin Kim , Goeun Jung , Dongyoung Kim
Abstract: An organic light-emitting display device and method of manufacturing the same are provided. An organic light-emitting display device includes: a substrate, an organic light-emitting device on the substrate, an encapsulation layer on the substrate and the organic light-emitting device, the encapsulation layer covering the organic light-emitting device, the encapsulation layer including an encapsulation hole, a black matrix covering the encapsulation layer, the black matrix including a black matrix hole over the encapsulation hole, and a color filter in the encapsulation hole and the black matrix hole.
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公开(公告)号：US11362147B2
公开(公告)日：2022-06-14
申请号：US16526540
申请日：2019-07-30
Applicant: LG Display Co., Ltd.
Inventor： Ho-Jin Kim , Jonghyeok Im , Sukhyeun Jang , SeungMin Baik , JiYeon Park
Abstract: A display device includes: a substrate including: first to third subpixels, an insulating layer including a trench on the substrate between at least two among the first to third subpixels, a first electrode on the insulating layer in each of the first to third subpixels, a fence in each of the first to third subpixels, the fence surrounding an edge of the first electrode, a light-emitting layer on the first electrode, the fence, and the insulating layer, a second electrode on the light-emitting layer, and a color filter layer including: a first color filter in the first subpixel, a second color filter in the second subpixel, and a third color filter in the third subpixel, wherein the second color filter is wider than the first color filter, and wherein the second color filter partially overlaps the first subpixel.
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公开(公告)号：US10069098B2
公开(公告)日：2018-09-04
申请号：US15383887
申请日：2016-12-19
Applicant: LG Display Co., Ltd.
Inventor： JongSung Kim , ChoongKeun Yoo , Ho-Jin Kim , TaeHan Park
Abstract: In one embodiment, a display device comprises: a substrate including an emissive area that emits light and a non-emissive area that does not emit light; a transistor over the substrate; a light emitting device over the transistor, the light emitting device including a first electrode, a light emitting layer on the first electrode, and a second electrode on the light emitting layer; a contact hole in the emissive area of the substrate, the contact hole positioned between the transistor and the light emitting device; and an auxiliary electrode in the contact hole, the auxiliary electrode electrically connecting together the first electrode of the light emitting device and the transistor.
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