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公开(公告)号：US12119368B2
公开(公告)日：2024-10-15
申请号：US17276038
申请日：2019-04-23
发明人： Seung A Lee , Dong Uk Kim , Hyun Min Cho , Dae Hyun Kim , Jung Hong Min , Dong Eon Lee , Hyung Rae Cha
CPC分类号： H01L27/156 , H01L33/007 , H01L33/0093 , H01L33/0095 , H01L33/24 , H01L33/44 , H01L33/60 , H01L2933/0025
摘要： A method of manufacturing a light-emitting element comprises providing a semiconductor structure on a substrate, the semiconductor structure emitting light having different wavelength bands from each other, measuring the light having the different wavelength bands from each other and defining wavelength regions, forming nanopatterns spaced apart from each other on the semiconductor structure, the nanopatterns having different diameters from each other, and etching the semiconductor structure to form element rods.
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公开(公告)号：US11984470B2
公开(公告)日：2024-05-14
申请号：US17423290
申请日：2019-12-05
发明人： Keun Kyu Song , Jung Hong Min , Dae Hyun Kim , Dong Uk Kim , Hyun Min Cho
CPC分类号： H01L27/156 , H01L33/0066 , H01L33/0093 , H01L33/24 , H01L33/30 , H01L33/38 , H01L33/44 , H01L2933/0025
摘要： A light-emitting diode includes a first semiconductor region having a first conductive type; a second semiconductor region having a second conductive type; and an active layer disposed between the first semiconductor region and the second semiconductor region and including phosphorus (P). The light-emitting diode has a rod shape, the second semiconductor region includes a first semiconductor layer, a second semiconductor layer, and a third semiconductor layer, which are sequentially stacked, the first semiconductor layer is disposed between the active layer and the second semiconductor layer, and the second semiconductor layer includes a compound represented by AlGaInP and satisfying Equation 1.
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公开(公告)号：US11682693B2
公开(公告)日：2023-06-20
申请号：US17316339
申请日：2021-05-10
发明人： Dong Uk Kim , Hyun Min Cho , Keun Kyu Song , Dae Hyun Kim , Jung Hong Min , Seung A Lee , Hyung Rae Cha
CPC分类号： H01L27/156 , H01L33/504 , H01L33/60 , H01L2933/0041 , H01L2933/0058
摘要： A display device includes a first pixel and a second pixel; a light emitting layer; a color conversion layer on the light emitting layer; and a color filter layer on the color conversion layer, the light emitting layer including one or more light emitting elements in the first pixel and the second pixel, the color conversion layer including a first color conversion layer in the first pixel and a second color conversion layer in the second pixel. The color filter layer includes a first color filter layer in the first pixel and a second color filter layer in the second pixel, the light emitting elements capable of emitting a first light having a first wavelength, each of the first color conversion layer and the second color conversion layer including first color conversion particles and second color conversion particles.
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公开(公告)号：US10818820B2
公开(公告)日：2020-10-27
申请号：US16352706
申请日：2019-03-13
发明人： Dong Uk Kim
摘要： A display device includes: a substrate including a display region and a non-display region; a plurality of pixels provided in the display region, the plurality of pixels including first to third sub-pixels each having a light emitting region configured to light; a first light emitting element that is provided in each of the first and second sub-pixels and emits first color light, and a second light emitting element that is provided in the third sub-pixel and emits second color light; and a color conversion layer corresponding to each of the first and second sub-pixels, the color conversion layer converting the first color light into light of a set color for each corresponding sub-pixel.
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5.发明授权公开(公告)号：US12095008B2
公开(公告)日：2024-09-17
申请号：US17365461
申请日：2021-07-01
发明人： Young Chul Sim , Hyung Rae Cha , Dong Uk Kim , Sung Ae Jang , Ji Hyun Ham
CPC分类号： H01L33/325 , H01L27/156 , H01L33/005 , H01L33/382 , H01L33/42
摘要： A light emitting element includes a first semiconductor layer including a first type of semiconductor, the first semiconductor layer including a 1-1-th semiconductor layer and a 1-2-th semiconductor layer, which are arranged in a length direction of the light emitting element; a second semiconductor layer including a second type of semiconductor different from the first type; an active layer disposed between the 1-2-th semiconductor layer and the second semiconductor layer; and an intermediate layer disposed between the 1-1-th semiconductor layer and the 1-2-th semiconductor layer and having a porous structure.
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公开(公告)号：US11973066B2
公开(公告)日：2024-04-30
申请号：US17244397
申请日：2021-04-29
发明人： Hyung Rae Cha , Dong Uk Kim , Sung Ae Jang , Ji Hyun Ham
CPC分类号： H01L25/0753 , H01L27/1214 , H01L33/007 , H01L33/0093 , H01L33/22 , H01L33/42 , H01L33/44 , H01L33/62 , H01L2933/0016 , H01L2933/0025
摘要： A light-emitting element includes a first end portion and a second end portion disposed in a length direction of the light-emitting element, a first electrode corresponding to the first end portion, a first semiconductor layer on the first electrode, an active layer on the first semiconductor layer, a second semiconductor layer on the active layer, and a second electrode on the second semiconductor layer and corresponding to the second end portion. The second electrode includes a first layer on the first semiconductor layer, and a second layer on the first layer. The first semiconductor layer includes a p-type semiconductor layer doped with a p-type dopant. The second semiconductor layer includes an n-type semiconductor layer doped with an n-type dopant. The first electrode is in ohmic contact with the first semiconductor layer. The second electrode is in ohmic contact with the second semiconductor layer.
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公开(公告)号：US11942567B2
公开(公告)日：2024-03-26
申请号：US17377266
申请日：2021-07-15
发明人： Jung Hong Min , Dae Hyun Kim , Hyun Min Cho , Jong Hyuk Kang , Dong Uk Kim , Seung A Lee , Hyun Deok Im , Hyung Rae Cha
CPC分类号： H01L33/0093 , H01L33/0066 , H01L33/30
摘要： Provided is a method of manufacturing a light-emitting element, the method including positioning a substrate, forming a first separation layer, which includes a first sacrificial layer, an etching control layer on the first sacrificial layer, and a second sacrificial layer on the etching control layer, on the substrate, forming at least one first light-emitting element on the first separation layer, and separating the first light-emitting element from the substrate.
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公开(公告)号：US11908987B2
公开(公告)日：2024-02-20
申请号：US17988921
申请日：2022-11-17
发明人： Kwang Soo Bae , Dong Uk Kim , Beom Soo Park , Min Jeong Oh , Young Je Cho
CPC分类号： H01L33/62 , H01L27/156 , H01L33/005 , H01L33/50 , H01L33/60 , H01L2933/0058 , H01L2933/0066
摘要： A display device includes a substrate and a display element layer disposed on the substrate and emitting light. The display element layer includes a first electrode electrically connected to a portion of a first light emitting element, a second electrode electrically connected to another portion of the first light emitting element, and at least one insulating structure disposed on the substrate and having a convex shape protruding from the substrate. The first light emitting element is disposed in a space of the at least one insulating structure. A method of manufacturing the display device is also disclosed.
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9.发明授权公开(公告)号：US11430912B2
公开(公告)日：2022-08-30
申请号：US17110574
申请日：2020-12-03
发明人： Jung Hong Min , Dae Hyun Kim , Seung A Lee , Hyun Min Cho , Jong Hyuk Kang , Dong Uk Kim , Hyun Deok Im , Hyung Rae Cha
IPC分类号： H01L33/00 , H01L27/15 , H01L33/32 , H01L21/302
摘要： A light emitting element, a method of manufacturing a light emitting element, and a display device including a light emitting element are provided. A method of manufacturing a light emitting element includes: preparing a lower panel including a substrate and a first sub conductive semiconductor layer on the substrate; forming a first mask layer including at least one mask pattern on at least a part of the lower panel to be spaced apart from each other and an opening region in which the mask patterns are spaced apart from each other; laminating a first conductive semiconductor layer, an active material layer, and a second conductive semiconductor layer on the first mask layer to form an element laminate; etching the element laminate in a vertical direction to form an element rod; and removing the mask pattern to separate the element rod from the lower panel.
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公开(公告)号：US10908453B2
公开(公告)日：2021-02-02
申请号：US15399361
申请日：2017-01-05
发明人： Kang Soo Han , Yun Jong Yeo , Dong Uk Kim , Hyun Min Cho , Hyung Bin Cho , Ji Hun Kim , Sung Won Cho , Young Min Kim , Hae Il Park , Seung Jin Baek , Dae Young Lee , Kun Hee Jo , Gug Rae Jo
IPC分类号： G02F1/1335 , G02F1/13357
摘要： A display device includes a first substrate, a first wavelength conversion layer and a second wavelength conversion layer disposed on the first substrate and spaced apart from each other, and a polarization layer disposed on the first wavelength conversion layer and the second wavelength conversion layer, the polarization layer including a reflection portion and a transmitting portion, in which the reflection portion overlaps a gap formed between the first wavelength conversion layer and the second wavelength conversion layer.
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