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公开(公告)号：US11870008B2
公开(公告)日：2024-01-09
申请号：US17227538
申请日：2021-04-12
发明人： Jinjoo Park , Junhee Choi , Nakhyun Kim , Dongho Kim , Joohun Han
CPC分类号： H01L33/145 , H01L27/156 , H01L33/005 , H01L33/04 , H01L33/56
摘要： A nanorod light-emitting device is provided. The nanorod light-emitting device includes a first semiconductor layer, a light-emitting layer on the first semiconductor layer, a second semiconductor layer disposed on the light-emitting layer, at least one conductive layer disposed between a central portion of a lower surface of the light-emitting layer and the first semiconductor layer, or between a central portion of an upper surface of the light-emitting layer and the second semiconductor layer, at least one current blocking layer that surrounds a side surface of the at least one conductive layer, and an insulating film that surrounds a side surface of the second semiconductor layer, a side surface of the light-emitting layer, and a side surface of the at least one current blocking layer.
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公开(公告)号：US11848399B2
公开(公告)日：2023-12-19
申请号：US17569217
申请日：2022-01-05
发明人： Kiho Kong , Junhee Choi , Deukseok Chung , Junsik Hwang
CPC分类号： H01L33/0095 , G09G3/32 , H01L33/504 , H01L33/62 , G09G2310/0267 , G09G2310/0275 , H01L2933/0041 , H01L2933/0066
摘要： Provided are a method of manufacturing a display apparatus and the display apparatus. The method includes forming an emissive layer and a driving layer on a first area of a substrate, forming an exposure line electrically connected to the driving layer, on a second area of the substrate, and forming a color conversion layer on the driving layer by emitting light from the emissive layer using the exposure line.
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公开(公告)号：US11764254B2
公开(公告)日：2023-09-19
申请号：US17744156
申请日：2022-05-13
发明人： Kiho Kong , Junhee Choi
IPC分类号： H01L27/14 , H01L27/15 , H01L27/12 , H01L49/02 , H01L33/36 , H01L33/62 , H01L33/06 , H01L33/32 , H01L33/44
CPC分类号： H01L27/156 , H01L27/124 , H01L27/1255 , H01L28/60 , H01L33/36 , H01L33/62 , H01L27/127 , H01L27/1222 , H01L33/06 , H01L33/32 , H01L33/44
摘要： A display apparatus includes a substrate, a light-emitting device provided on the substrate, a driving transistor device configured to control the light-emitting device, a first power supply line electrically connected to a source region of the driving transistor device, a conductive pattern electrically connected to a gate electrode of the driving transistor device, and a second power supply line electrically connected to the first power supply line, wherein the conductive pattern and the first power supply line constitute a first capacitor, and the conductive pattern and the second power supply line constitute a second capacitor, wherein the first capacitor and the second capacitor are connected in parallel.
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公开(公告)号：US20230290904A1
公开(公告)日：2023-09-14
申请号：US18200399
申请日：2023-05-22
发明人： Nakhyun KIM , Junhee Choi , Jinjoo Park , Joohun Han
IPC分类号： H01L33/24 , H01L25/16 , H01L33/32 , H01L25/075 , H01L29/06
CPC分类号： H01L33/24 , H01L25/167 , H01L33/32 , H01L25/0753 , H01L29/0676 , H01L33/44
摘要： A nanorod semiconductor layer having a flat upper surface, a micro-LED including the nanorod semiconductor layer, a pixel plate including the micro-LED , a display device including the pixel plate, and an electronic device including the pixel plate are provided. The nanorod semiconductor layer includes: a main body; and an upper end formed from the main body, wherein the upper end includes: a first inclined surface; a second inclined surface facing the first inclined surface; and a flat upper surface between the first inclined surface and the second inclined surface, and a width of the upper end becomes narrower in an upward direction, and when a length of the upper end protruded from the main body (a thickness of the upper end) is L1, an inclination angle between a surface extending parallel to a surface selected from the first and second inclined surfaces and the flat upper surface is β, and a width of the main body is D, a width D1 of the flat upper surface satisfies Equation 1.
D1=D−(2×L1×tanβ)-
公开(公告)号：US11705479B2
公开(公告)日：2023-07-18
申请号：US17400354
申请日：2021-08-12
发明人： Junhee Choi , Sungjin Kang , Kiho Kong , Junghun Park , Jinjoo Park , Joohun Han , Kyungwook Hwang
IPC分类号： H01L27/15 , H01L33/00 , H01L33/14 , H01L33/22 , H01L33/40 , H01L33/42 , H01L33/50 , H01L33/60
CPC分类号： H01L27/156 , H01L33/0093 , H01L33/145 , H01L33/22 , H01L33/405 , H01L33/42 , H01L33/504 , H01L33/60 , H01L2933/0016 , H01L2933/0041 , H01L2933/0058 , H01L2933/0091
摘要： Provided are a display apparatus and a method of manufacturing the same. The display apparatus includes a support substrate, a driving layer provided on the support substrate and including a driving element configured to apply power to a pixel electrode, and a light-emitting layer provided on the driving layer.
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公开(公告)号：US11682748B2
公开(公告)日：2023-06-20
申请号：US16831194
申请日：2020-03-26
发明人： Junsik Hwang , Sungjin Kang , Kyungwook Hwang , Junhee Choi
IPC分类号： H01L33/20 , H01L25/075 , H01L33/62 , H01L33/38
CPC分类号： H01L33/20 , H01L25/0753 , H01L33/382 , H01L33/62
摘要： A light-emitting diode (LED) includes a first semiconductor layer, an active layer, and a second semiconductor layer that are sequentially stacked, and includes a first electrode pad, a second electrode pad and a third electrode pad disposed on the second semiconductor layer in a direction from a corner of the second semiconductor layer to an opposite corner of the second semiconductor layer. An LED includes a first electrode pad disposed at a center of the LED and in contact with a P-type semiconductor layer and a second electrode pad in contact with an N-type semiconductor layer, wherein the second electrode pad is disposed a maximum distance away from the first electrode pad on the same surface.
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47.发明授权公开(公告)号：US11652093B2
公开(公告)日：2023-05-16
申请号：US17338748
申请日：2021-06-04
发明人： Junhee Choi , Euijoon Yoon
CPC分类号： H01L25/167 , H01L27/1214 , H01L33/486 , H01L33/50 , H01L2933/0033
摘要： Provided are a micro light source array for a display device, a display device including the micro light source array, and a method of manufacturing the display device. The micro light source array includes: a plurality of silicon sub-mounts provided on a substrate, each silicon sub-mount from among the plurality of silicon sub-mounts corresponding to a respective sub-pixel from among a plurality of sub-pixels of a display device, the plurality of silicon sub-mounts being separated from each other by a plurality of trenches; a plurality of light emitting device chips coupled to the plurality of silicon sub-mounts; and a plurality of driving circuits provided at the plurality of silicon sub-mounts.
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公开(公告)号：US20230143907A1
公开(公告)日：2023-05-11
申请号：US17720872
申请日：2022-04-14
发明人： Junhee Choi , Kiho Kong , Nakhyun Kim , Joosung Kim , Younghwan Park , Junghun Park , Dongchul Shin , Eunsung Lee , Joohun Han
CPC分类号： H01L33/04 , H01L27/156 , H01L33/24 , H01L33/44
摘要： Provided is an epitaxy structure including a substrate having an upper surface, the upper surface having a single crystal structure, a two-dimensional material layer disposed on the upper surface of the substrate, and a plurality of nanorod light emitting devices disposed on an upper surface of the two-dimensional material layer, each of the plurality of nanorod light emitting devices having a nanorod shape extending in a vertical direction, wherein each of the plurality of nanorod light emitting devices includes a light emitting nanorod, and a passivation film disposed adjacent to a sidewall of the light emitting nanorod, the passivation film having insulation.
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49.发明申请公开(公告)号：US20230062456A1
公开(公告)日：2023-03-02
申请号：US17982164
申请日：2022-11-07
发明人： Jinjoo PARK , Junhee Choi , Kiho Kong , Joohun Han , Nakhyun Kim , Junghun Park
IPC分类号： H01L29/778 , H01L29/66 , H01L27/12 , H01L27/15
摘要： A semiconductor device includes a substrate including a first region and a second region adjacent to the first region, the first and the second regions being disposed in a first direction parallel to an upper surface of the substrate; an etch-stop layer disposed on the first region and the second region; a separation layer disposed on an upper portion of the etch-stop layer, the separation layer being disposed on the first region; a high-electron-mobility transistor (HEMT) element disposed on an upper portion of the separation layer in a second direction perpendicular to an upper surface of the substrate; a light-emitting element disposed on the second region between the substrate and the etch-stop layer; and a plurality of first insulating patterns covering side surfaces of the HEMT element, the plurality of first insulating patterns extending to the etch-stop layer.
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公开(公告)号：US20220149017A1
公开(公告)日：2022-05-12
申请号：US17582854
申请日：2022-01-24
发明人： Kyungwook Hwang , Sungjin Kang , Junsik Hwang , Junhee Choi
IPC分类号： H01L25/075 , H01L33/60
摘要： Provided is a display device including a substrate, a transfer guiding mold provided on the substrate and including a plurality of openings, and a plurality of micro light emitting diodes (LEDs) provided on the substrate in the plurality of openings, wherein a height of the transfer guiding mold is less than twice a height of each of the plurality of micro LEDs.
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