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公开(公告)号：US20230255049A1
公开(公告)日：2023-08-10
申请号：US18134525
申请日：2023-04-13
申请人： LG Display Co., Ltd.
发明人： SeungMin BAIK , JiYeon PARK , Ho-Jin KIM
IPC分类号： H10K50/18 , H10K50/16 , H10K50/13 , H10K50/17 , H10K50/856 , H10K50/858 , H10K59/12 , H10K59/38
CPC分类号： H10K50/18 , H10K50/16 , H10K50/131 , H10K50/171 , H10K50/856 , H10K50/858 , H10K59/12 , H10K59/38
摘要： 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：US20180182814A1
公开(公告)日：2018-06-28
申请号：US15831060
申请日：2017-12-04
申请人： LG Display Co., Ltd.
发明人： JongSung KIM , Ho-Jin KIM , SeungMin BAIK
IPC分类号： H01L27/32
CPC分类号： H01L27/322 , H01L27/3244 , H01L2251/5315
摘要： A display can include a plurality of pixels including a first pixel, a second pixel and a third pixel; a first color filter overlapping the first and second pixels; a second color filter overlapping the first and third pixels; and a third color filter overlapping the second and third pixels.
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公开(公告)号：US20220199709A1
公开(公告)日：2022-06-23
申请号：US17551837
申请日：2021-12-15
申请人： LG DISPLAY CO., LTD.
发明人： SeungMin BAIK , Changhwa JUN
摘要： An electroluminescent display device includes a substrate having a first subpixel and a second subpixel, which are adjacent to each other, a first electrode provided in each of the first subpixel and the second subpixel on the substrate, a trench including a first trench and a second trench, which are provided to be spaced apart from each other at a boundary between the first subpixel and the second subpixel on the substrate, a light emitting layer provided on the first electrode and provided in the first subpixel, the second subpixel and a boundary between the first subpixel and the second subpixel, and a second electrode provided on the light emitting layer, wherein a first portion of the light emitting layer is discontinuous in the first trench and the second trench, a second portion of the light emitting layer is discontinuous in the first trench and is continuous in an area overlapped with the second trench, and a third portion of the light emitting layer is continuous in an area overlapping with the first trench and the second trench.
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公开(公告)号：US20200043983A1
公开(公告)日：2020-02-06
申请号：US16526540
申请日：2019-07-30
申请人： LG Display Co., Ltd.
发明人： Ho-Jin KIM , Jonghyeok IM , Sukhyeun JANG , SeungMin BAIK , JiYeon PARK
摘要： 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：US20230200148A1
公开(公告)日：2023-06-22
申请号：US17896880
申请日：2022-08-26
申请人： LG Display Co., Ltd.
发明人： SeungMin BAIK
IPC分类号： H01L27/32 , G09G3/3233 , H01L51/52
CPC分类号： H01L27/3258 , G09G3/3233 , H01L51/5225 , G09G2300/0842 , H01L27/3246
摘要： An electroluminescence display can include a substrate including a first pixel at a first row and a first column, a second pixel at the first row and a second column, a third pixel at a second row and the first column, and a fourth pixel at the second row and the second column, a first vertical trench between the first pixel and the second pixel, a second vertical trench between the third pixel and the fourth pixel, a first horizontal trench between the first pixel and the third pixel, a second horizontal trench between the second pixel and the fourth pixel, and a protrusion pillar at an intersection portion of the substrate where the first vertical trench, the second vertical trench, the first horizontal trench, and the second horizontal trench converge.
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公开(公告)号：US20180166522A1
公开(公告)日：2018-06-14
申请号：US15786169
申请日：2017-10-17
申请人： LG DISPLAY CO., LTD.
发明人： JongSung KIM , Ho-Jin KIM , SeungMin BAIK
IPC分类号： H01L27/32
摘要： 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：US20230189613A1
公开(公告)日：2023-06-15
申请号：US18072512
申请日：2022-11-30
申请人： LG DISPLAY CO., LTD.
发明人： SeungMin BAIK
CPC分类号： H01L27/322 , H01L51/5237 , H01L27/3218
摘要： A display apparatus includes a substrate provided with a plurality of subpixels, a first electrode provided in each of the plurality of subpixels on the substrate, a fence provided for each of the plurality of subpixels while surrounding an edge of the first electrode, a light emitting layer provided on the first electrode and the fence, a second electrode provided on the light emitting layer, and a color filter provided in each of the plurality of subpixels on the second electrode, wherein the color filter includes a first filter spaced apart from the second electrode at a first distance, and a second filter spaced apparat from the second electrode at a second distance shorter than the first distance, and the second filter may be disposed on a lower surface of the first filter to surround an edge of the first filter, thereby preventing a color mixture of adjacent subpixels.
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公开(公告)号：US20210098733A1
公开(公告)日：2021-04-01
申请号：US17019115
申请日：2020-09-11
申请人： LG Display Co., Ltd.
发明人： SeungMin BAIK , JiYeon PARK , Ho-Jin KIM
摘要： 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：US20210055819A1
公开(公告)日：2021-02-25
申请号：US17094407
申请日：2020-11-10
申请人： LG Display Co., Ltd.
发明人： Changhwa JUN , JongSung KIM , Ho-Jin KIM , Jaehyung YU , SeungMin BAIK
摘要： A display device with an integrated touch screen, the display device including a first substrate, a first electrode on the first substrate, an organic light emitting layer on the first electrode, a second electrode on the organic light emitting layer and an encapsulation film on the second electrode, wherein the encapsulation film includes: a first touch sensing layer with a first touch electrode and a first insulating film disposed at a first layer, an insulating film disposed on the first touch sensing layer and a second touch sensing layer with a second touch electrode and a second insulating film disposed at a second layer, wherein the second touch sensing layer is disposed on the insulating film, wherein the first insulating film is disposed between the first touch electrode and another neighboring first touch electrode, and is not disposed on the first touch electrode.
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公开(公告)号：US20200044177A1
公开(公告)日：2020-02-06
申请号：US16519403
申请日：2019-07-23
申请人： LG Display Co., Ltd.
发明人： Ho-Jin KIM , SeungMin BAIK , JiYeon PARK , Sul LEE , Sukhyeun JANG
摘要： 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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