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公开(公告)号：US20230145007A1
公开(公告)日：2023-05-11
申请号：US17979888
申请日：2022-11-03
发明人： Veidhes BASRUR , Hyun Wook LEE , Hee Keun LEE
IPC分类号： H01L33/38 , H01L33/62 , H01L25/075
CPC分类号： H01L33/382 , H01L33/387 , H01L33/62 , H01L25/0753
摘要： A display device includes first electrodes comprising a first sub-electrode and a second sub-electrode, a first insulating layer comprising openings partially exposing upper surfaces of the first electrodes, second electrodes disposed on the first insulating layer and overlapping the first electrodes in a plan view, light emitting elements disposed on the first electrodes and comprising first light emitting elements and second light emitting elements, first connection electrodes to contact first ends of the light emitting elements and the first electrodes, a second insulating layer to surround the light emitting elements, and second connection electrodes. The first connection electrodes include a first electrode part and a second electrode part. The second connection electrodes include a third electrode part and a fourth electrode part.
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公开(公告)号：US20220115470A1
公开(公告)日：2022-04-14
申请号：US17277832
申请日：2019-03-21
发明人： Dae Hyun KIM , Veidhes BASRUR , Xinxing LI , Tae Jin KONG , Hee Keun LEE , Hyun Min CHO , Keun Kyu SONG , Jin Oh KWAG
摘要： A display device may include: a base layer including a display area and a non-display area; and a plurality of pixels provided on the display area, and each including a plurality of sub-pixels. Each of the sub-pixels may include a pixel circuit layer, and a display element layer including an emission area formed to emit light, and a non-emission area provided around a perimeter of the emission area. The display element layer may include: a partition wall provided on the emission area of each of the sub-pixels; a bank provided on the non-emission area of each sub-pixel, and disposed on a surface equal to a surface on which the partition wall is disposed; a first electrode and a second electrode provided on the partition wall and spaced apart from each other; and at least one light emitting element provided between the first and second electrodes in the emission area of each sub-pixel, and configured to emit the light.
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公开(公告)号：US20220020734A1
公开(公告)日：2022-01-20
申请号：US17377268
申请日：2021-07-15
发明人： Bek Hyun LIM , Jung-Hwan YI , Hee Keun LEE
摘要： A display device includes a first substrate; a first conductive pattern, a first voltage line and a second voltage line on the first substrate; an insulating layer on the first conductive pattern and the second voltage line; a plurality of first light-emitting elements on the insulating layer; a first electrode on the insulating layer and connected to the first conductive pattern, the first electrode overlapping the first voltage line; and a second electrode on the insulating layer and connected to the second voltage line, wherein the plurality of first light-emitting elements are in contact with the first electrode and the second electrode, and wherein a part of an upper surface of the first electrode that overlaps the first conductive pattern and a part of the upper surface of the first electrode that overlaps the first voltage line are located on the same plane.
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公开(公告)号：US20210384169A1
公开(公告)日：2021-12-09
申请号：US17210282
申请日：2021-03-23
发明人： Hee Keun LEE , Jin Taek KIM , Seung Min LEE , Jung Hwan YI , Baek Hyeon LIM , Kyung Tae CHAE
IPC分类号： H01L25/075 , H01L27/12 , H01L33/38 , H01L33/44 , H01L33/62
摘要： A pixel includes a first electrode and a second electrode facing each other, an insulating layer on the first and second electrodes, a plurality of light-emitting elements located on the insulating layer between the first electrode and the second electrode, a first contact electrode electrically connected to the first electrode, and a second contact electrode electrically connected to the second electrode. Here, a first gap having a constant width in a first direction and a second gap having a width in the first direction that gradually changes along a second direction are located between the first electrode and the second electrode or between the first contact electrode and the second contact electrode.
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公开(公告)号：US20210202451A1
公开(公告)日：2021-07-01
申请号：US17269737
申请日：2019-02-20
发明人： Tae Jin KONG , Dae Hyun KIM , Myeong Hee KIM , Veidhes BASRUR , Je Won YOO , Xinxing LI , Hee Keun LEE , Bek Hyun LIM , Hyun Min CHO , Chang Il TAE
IPC分类号： H01L25/075 , H01L27/12 , H01L33/00 , H01L33/24 , H01L33/36 , H01L33/44 , H01L33/62 , B82B3/00
摘要： A light emitting device includes first and second electrodes disposed on a substrate; an insulating layer disposed on the substrate and including a groove extending in a first direction intersecting with the first and the second electrodes, and first and second contact portions that expose areas of the first and the second electrodes; light emitting elements disposed in the groove between the first and the second electrodes, each including first and second ends electrically connected to the first and second electrodes, respectively; a first contact electrode electrically connected to the light emitting elements on the first ends, and electrically connected to the first electrode on the first contact portion; and a second contact electrode electrically connected to the light emitting elements on the second ends, and electrically connected to the second electrode on the second contact portion.
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公开(公告)号：US20230395755A1
公开(公告)日：2023-12-07
申请号：US18452520
申请日：2023-08-18
发明人： Seung Min LEE , Jin Taek KIM , Baek Hyeon LIM , Jin Yeong KIM , Kyung Tae CHAE , Jung Hwan YI , Hee Keun LEE
CPC分类号： H01L33/382 , H01L33/0095 , H01L2933/005 , H01L2933/0016 , H01L33/54
摘要： A display device includes: a substrate having a display area and a non-display area; and a pixel in each of a pixel area in the display area. Each of the pixels includes: an insulating layer on the substrate and having an opening; first and second electrodes on the insulating layer and spaced apart from each other; a plurality of light emitting elements in the opening; a first contact electrode electrically connecting one end of the light emitting elements and the first electrode to each other; a second contact electrode electrically connecting another end of the light emitting elements and the second electrode to each other; a first insulating pattern on the first contact electrode; and a second insulating pattern on the second contact electrode. The first insulating pattern and the second insulating pattern are on the same layer and spaced apart from each other.
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公开(公告)号：US20230352639A1
公开(公告)日：2023-11-02
申请号：US18018934
申请日：2021-07-08
发明人： Jung Hwan YI , Jin Taek KIM , Yong Sub SHIM , Seung Min LEE , Hee Keun LEE , Baek Hyeon LIM , Kyung Tae CHAE , Hae Ju YUN , Seung Jin CHU
IPC分类号： H01L33/24 , H01L25/075 , H01L33/60 , H01L33/38 , H01L33/62
CPC分类号： H01L33/60 , H01L25/0753 , H01L33/24 , H01L33/38 , H01L33/62
摘要： A display device includes a substrate including a plurality of pixels, a first electrode and a second electrode disposed on the substrate and spaced apart from each other, an insulating reflective layer disposed on the first electrode and the second electrode, and a plurality of light emitting elements disposed between the first electrode and the second electrode and electrically connected to the first electrode and the second electrode, wherein the insulating reflective layer includes a plurality of first layers and the plurality of second layers having different refractive indexes, and the the plurality of first layers and the the plurality of second layers are alternately stacked with each other.
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公开(公告)号：US20220310895A1
公开(公告)日：2022-09-29
申请号：US17839200
申请日：2022-06-13
发明人： Jin Taek KIM , Seung Min LEE , Jung Hwan YI , Hee Keun LEE , Bek Hyun LIM , Kyung Tae CHAE
IPC分类号： H01L33/62 , H01L25/075 , H01L27/12 , H01L29/786
摘要： A display device includes a first substrate, a wire pad in a pad area, first banks in a display area, electrodes on the first banks, a pad electrode base layer on the wire pad, having a greater width than the wire pad, and covering sides of the wire pad, a first insulating layer covering parts of the electrodes and part of the pad electrode base layer, light-emitting elements on the first insulating layer in the display area, respective ends of the light-emitting elements being on different electrodes, contact electrodes on the electrodes and contacting first ends of the light-emitting elements, and a pad electrode upper layer on the first insulating layer in the pad area and directly contacting the pad electrode base layer, wherein the pad electrode base layer includes the same material as the electrodes, and the pad electrode upper layer includes the same material as the contact electrodes.
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公开(公告)号：US20220209070A1
公开(公告)日：2022-06-30
申请号：US17605800
申请日：2020-02-13
发明人： Bek Hyun LIM , Tae Jin KONG , Myeong Hee KIM , Won Kyu KIM , Je Won YOO , Hee Keun LEE , Chang Il TAE
摘要： A display device comprises a first electrode, a first insulating layer disposed on the first electrode, a second electrode disposed on the first insulating layer, at least a part of the second electrode facing the first electrode in a first direction, one or more first light-emitting elements disposed between the first electrode and the second electrode, the one or more first light-emitting elements extending in a direction, wherein the first insulating layer partially encompasses the outer surface of the one or more first light-emitting element, and the extending direction of at least one of the one or more first light-emitting element is parallel to the first direction.
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公开(公告)号：US20220037397A1
公开(公告)日：2022-02-03
申请号：US17502829
申请日：2021-10-15
发明人： Xin Xing LI , Tae Jin KONG , Hee Keun LEE , Hyun Min CHO , Chang Il TAE
摘要： A display device includes at least one first and second electrodes extending in a first direction, at least one first and second light emitting elements disposed therebetween, a first contact electrode partially covering the first electrode and contacting a first end of the first light emitting element, a second contact electrode partially covering the second electrode and contacting a third end of the second light emitting element, and a third contact electrode disposed between the first and second contact electrodes and contacting a second end of the first light emitting element and a fourth end of the second light emitting element, in which a distance between the first and second electrodes is greater than a longitudinal length of at least one of the first and second light emitting elements, and the first and second light emitting elements are connected in series between the first and second electrodes.
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