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61.发明授权公开(公告)号：US11611027B2
公开(公告)日：2023-03-21
申请号：US17743028
申请日：2022-05-12
发明人： Kiho Kong , Junhee Choi , Jinjoo Park , Joohun Han
摘要： A semiconductor device includes a substrate including a first region and a second region that are arranged in a first direction that is parallel to an upper surface of the substrate; a separation layer provided on the first region of the substrate; a high electron mobility transistor (HEMT) device overlapping the separation layer in a second direction that is perpendicular to the upper surface of the substrate; a light-emitting device provided on the second region of the substrate; and a first insulating pattern covering a side surface of the HEMT device, wherein the first insulating pattern overlaps the separation layer in the second direction.
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62.发明申请公开(公告)号：US20230005985A1
公开(公告)日：2023-01-05
申请号：US17545645
申请日：2021-12-08
发明人： Kiho KONG , Junghun Park , Eunsung Lee , Junhee Choi
摘要： A display device includes a display layer including a plurality of light-emitting devices and a plurality of switching devices in a one-to-one correspondence with the light-emitting devices, the plurality of light-emitting devices and the plurality of switching devices forming a monolithic structure, and a driving layer, wherein the plurality of light-emitting devices and the plurality of switching devices corresponding to the plurality of light-emitting devices are grouped into pixels and then arranged in the display layer, and the driving layer includes a plurality of driving devices configured to apply at least one driving signal to the display layer.
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63.发明授权公开(公告)号：US11527642B2
公开(公告)日：2022-12-13
申请号：US16826926
申请日：2020-03-23
发明人： Jinjoo Park , Junhee Choi , Kiho Kong , Joohun Han , Nakhyun Kim , Junghun Park
IPC分类号： H01L29/778 , H01L29/66 , H01L27/15 , H01L27/12
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：US11502218B2
公开(公告)日：2022-11-15
申请号：US16871214
申请日：2020-05-11
发明人： Nakhyun Kim , Junhee Choi , Kiho Kong , Deukseok Chung
摘要： A method of manufacturing a display device includes forming a first light-emitting area on a substrate, and forming a first color adjustment pattern on the first light-emitting area by emitting first light from the first light-emitting area, wherein the first light-emitting area includes a first semiconductor layer, a second semiconductor layer provided on the first semiconductor layer, a first active layer arranged between the first semiconductor layer and the second semiconductor layer, a first contact electrically connecting the substrate and the first semiconductor layer, and a first preliminary common electrode electrically connected to the second semiconductor layer.
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公开(公告)号：US11430374B2
公开(公告)日：2022-08-30
申请号：US16857362
申请日：2020-04-24
发明人： Junhee Choi , Kiho Kong , Nakhyun Kim , Junghun Park , Jinjoo Park , Joohun Han
摘要： Provided is a display apparatus including a plurality of subpixels and configured to emit light based on each of the plurality of subpixels, the display apparatus including a substrate, a driving layer provided on the substrate and including a driving element which is configured to apply current to the display apparatus, a first electrode electrically connected to the driving layer, a first semiconductor layer provided on the first electrode, an active layer provided on the first semiconductor layer, a second semiconductor layer provided on the active layer, a second electrode provided on the second semiconductor layer, and a reflective layer provided on the second semiconductor layer, wherein light emitted from the active layer resonates between the first electrode and the reflective layer.
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公开(公告)号：US20220093824A1
公开(公告)日：2022-03-24
申请号：US17480802
申请日：2021-09-21
发明人： Junhee Choi , Jinjoo Park , Kiho Kong , Junghun Park , Eunsung Lee
摘要： A display device includes an ion implantation region, a first semiconductor layer, an active layer under the first semiconductor layer, and a second semiconductor layer under the active layer. The ion implantation region includes a plurality of ions and partitions the active layer into a plurality of light-emitting regions, and an average ion concentration ratio of each of the light-emitting regions is 2 to 15.
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公开(公告)号：US11276798B2
公开(公告)日：2022-03-15
申请号：US16822673
申请日：2020-03-18
发明人： Kyungwook Hwang , Sungjin Kang , Junsik Hwang , Junhee Choi
IPC分类号： H01L33/00 , H01L25/075 , H01L33/50 , H01L33/62
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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公开(公告)号：US20210391499A1
公开(公告)日：2021-12-16
申请号：US17106515
申请日：2020-11-30
发明人： Nakhyun Kim , Junhee Choi , Jinjoo Park , Joohun Han
IPC分类号： H01L33/24 , H01L25/16 , H01L29/06 , H01L33/32 , H01L25/075
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×tan β)
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公开(公告)号：US11177315B2
公开(公告)日：2021-11-16
申请号：US16536514
申请日：2019-08-09
发明人： Jinjoo Park , Hoyoung Ahn , Junhee Choi , Sungjin Kang , Junghun Park
摘要： A high-resolution display device is provided. The high-resolution display device includes a light-emitting layer including a first semiconductor layer, an active layer, and a second semiconductor layer, a plurality of transparent electrodes respectively formed on the second semiconductor layer in sub-pixel regions, a first electrode connected to the first semiconductor layer, a plurality of second electrodes connected to the plurality of transparent electrodes, a color-converting layer arranged over the light-emitting layer and configured to emit light of a predetermined color based on light generated by the light-emitting layer, which are sequentially stacked on a substrate including a plurality of sub-pixel regions. One or more ion injection regions corresponding to current injection regions corresponding to the plurality of the sub-pixel regions is formed in the second semiconductor layer.
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公开(公告)号：US11121171B2
公开(公告)日：2021-09-14
申请号：US16589359
申请日：2019-10-01
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
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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