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公开(公告)号：US20220140186A1
公开(公告)日：2022-05-05
申请号：US17310745
申请日：2019-08-20
发明人： Jung Hong MIN , Dae Hyun KIM , Dong Uk KIM , Hyun Min CHO , Se Young KIM , Seung A LEE , Hyung Rae CHA
摘要： A light emitting element may include an emission stacked pattern including a first conductive semiconductor layer, an active layer, and a second conductive semiconductor layer that are stacked in a longitudinal direction of the emission stacked pattern. The active layer may include a first surface that is in contact with the first conductive semiconductor layer in the longitudinal direction of the emission stacked pattern, and a second surface that is opposite the first surface and is in contact with the second conductive semiconductor layer. The first conductive semiconductor layer may include at least one n-type semiconductor layer, and the second conductive semiconductor layer may include at least one p-type semiconductor layer. Further, the first surface of the active layer may be located at a point corresponding to −20% to +20% of half of a total length of the emission stacked pattern in the longitudinal direction of the emission stacked pattern.
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公开(公告)号：US20220123026A1
公开(公告)日：2022-04-21
申请号：US17422426
申请日：2019-07-09
发明人： Won Sik OH , Yo Han LEE , Hyun Min CHO , Jong Hyuk KANG , Dae Hyun KIM
摘要： A display device may include a pixel disposed in a display area. The pixel may include: a first electrode extending in a first direction; a second electrode including a first electrode part spaced apart from the first electrode in a direction intersecting with the first direction and extending in the first direction, a second electrode part extending from the first electrode part in a second direction, and a third electrode part extending form the second electrode part in the first direction; a third electrode including at least one area spaced apart from the third electrode part in the direction intersecting with the first direction and extending in the first direction; a first light emitting element connected between the first electrode and the second electrode; and a second light emitting element connected between the second electrode and the third electrode.
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公开(公告)号：US20220102585A1
公开(公告)日：2022-03-31
申请号：US17470383
申请日：2021-09-09
发明人： Jong Won LEE , Hyun Min CHO
摘要： A display device comprises a substrate, a first electrode on the substrate and extending in a first direction, a second electrode on the substrate and extending in the first direction, the second electrode being spaced apart from the first electrode in a second direction, a first insulating layer on the first electrode and the second electrode, light-emitting elements on the first insulating layer, the light-emitting elements being disposed on the first electrode and the second electrode, a second insulating layer disposed on the light-emitting elements, a first contact electrode disposed on the first electrode and electrically contacting the light-emitting elements, and a second contact electrode disposed on the second electrode and electrically contacting the light-emitting elements. The second insulating layer comprises patterns that cover at least part of the light-emitting elements and are spaced apart from one another in the first direction.
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84.发明申请公开(公告)号：US20220072864A1
公开(公告)日：2022-03-10
申请号：US17418048
申请日：2019-11-06
发明人： Han Su KIM , Eun A YANG , Jong Hyuk KANG , Hyun Min CHO
摘要： An inkjet printing device includes an ink reservoir that stores ink containing particles, an inkjet head part that receives the ink from the ink reservoir and ejects the ink onto a target substrate and a driver for rotating the ink reservoir.
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公开(公告)号：US20220005991A1
公开(公告)日：2022-01-06
申请号：US17291398
申请日：2019-05-27
发明人： Hyun Min CHO , Jung Hong MIN , Dae Hyun KIM , Dong Uk KIM
摘要： A light emitting element structure may include at least one light emitting element which is disposed on a substrate and spaced apart from each other, and extends in a direction perpendicular to the substrate; an auxiliary layer which is disposed on the substrate, exposes at least a portion of the upper surface of the substrate, and surrounds the outer surface of the light emitting element; a current spreading layer which is disposed on the auxiliary layer and electrically contacts an end of the light emitting element; a first pad which is electrically connected to the end of the light emitting element, disposed on the current spreading layer, and does not to overlap the light emitting element; and a second pad which is electrically connected to another end of the light emitting element disposed on the upper surface of the exposed substrate and spaced apart from the auxiliary layer.
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公开(公告)号：US20210376243A1
公开(公告)日：2021-12-02
申请号：US17255406
申请日：2018-12-21
发明人： Hyun Min CHO , Shin Il CHOI , Sang Gab KIM , Tae Sung KIM
摘要： A method of manufacturing an organic light-emitting display device is provided. The method includes: forming a lower electrode pattern on a substrate, which includes a transistor area and a capacitor area, to correspond to the transistor area and forming a buffer layer on the substrate including the lower electrode pattern; forming a thin-film transistor including an oxide semiconductor layer on the buffer layer; forming an interlayer insulating film on the thin-film transistor; forming a photoresist film pattern including first and second holes, which have different depths, on the interlayer insulating film; and forming a first contact hole, which exposes the lower electrode pattern, and second contact holes, which expose the oxide semiconductor layer, at the same time using the photoresist film pattern.
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公开(公告)号：US20210366978A1
公开(公告)日：2021-11-25
申请号：US17395999
申请日：2021-08-06
发明人： Jong Hyuk KANG , Hyun Min CHO , Dae Hyun KIM , Joo Yeol LEE , Hyun Deok IM
IPC分类号： H01L27/15 , H01L33/00 , H01L33/40 , F21K9/68 , H01L25/075
摘要： A light-emitting device includes: a substrate; a unit light-emitting area disposed on the substrate; first and second electrodes disposed in the unit light-emitting area to be separated from each other; a plurality of rod-shaped LEDs disposed between the first and second electrodes; a reflective contact electrode disposed on opposite ends of the rod-shaped LEDs to electrically connect the rod-shaped LEDs to the first and second electrodes; and a light-transmitting structure disposed between the first and second electrodes and extending to cross the rod-shaped LEDs.
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公开(公告)号：US20210280753A1
公开(公告)日：2021-09-09
申请号：US17258145
申请日：2018-09-20
发明人： Dae Hyun KIM , Hyun Min CHO , Keun Kyu SONG , Je Won YOO , Bek Hyun LIM , Sung Chan JO
摘要： A display device and method of manufacturing a display device. The display device includes a first electrode, a second electrode facing the first electrode, a first insulating layer on the first electrode and the second electrode and between the first electrode and the second electrode, a light emitting element on the first insulating layer, a second insulating layer covering the light emitting element and exposing end portions of the light emitting element, a third insulating layer on the second insulating layer, a first contact electrode electrically connected to the first electrode, on the third insulating layer and in contact with a first end portion of the light emitting element exposed by the second insulating layer, and a second contact electrode electrically connected to the second electrode, on the third insulating layer and in contact with a second end portion of the light emitting element exposed by the second insulating layer.
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公开(公告)号：US20210273142A1
公开(公告)日：2021-09-02
申请号：US17255987
申请日：2018-09-21
发明人： Jong Hyuk KANG , Hyun Min CHO , Dae Hyun KIM , Hyun Deok IM
IPC分类号： H01L33/50 , H01L25/075 , H01L27/12 , H01L33/58 , H01L33/62
摘要： A display device comprises first and second pixels, a light-emitting layer, color conversion layers, and color filter layers, the light-emitting layer comprising first and second light-emitting elements in the first and second pixels, wherein the color conversion layers comprise first and second color conversion layers in the first and second pixels, the color filter layers comprise first and second color filter layers in the first and second pixels, the first and second light-emitting elements emit first light having a central wavelength range of a first wavelength, the first and second color conversion layers contain color conversion particles converting the first light into second light having a central wavelength range of a second wavelength longer than the first wavelength, the first color filter layer transmits the first light and blocks the second light, and the second color filter layer transmits the second light and blocks transmission of the first light.
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公开(公告)号：US20210202653A1
公开(公告)日：2021-07-01
申请号：US17030951
申请日：2020-09-24
发明人： Hyun Min CHO , Sang Gab KIM , Tae Sung KIM
摘要： A display device and a method of the display device are provided. The display device includes a lower metal layer on a substrate, a buffer layer on the lower metal layer, a first semiconductor layer on the buffer layer, a gate insulating layer on the first semiconductor layer, a first gate electrode on the gate insulating layer, an interlayer insulating layer on the first gate electrode, a via layer on the interlayer insulating layer, a pixel electrode on the via layer and electrically connected to the first semiconductor layer, a light emitting layer on the pixel electrode, a common electrode on the light emitting layer, a first contact hole penetrating the buffer layer and the interlayer insulating layer and a second contact hole penetrating the interlayer insulating layer, and a first via hole and a second via hole each penetrating the via layer.
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