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11.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
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： 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: H01L33/00 , H01L27/15 , H01L33/32 , H01L21/302
Abstract: 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
Applicant: Samsung Display Co., Ltd.
Inventor： 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: G02F1/1335 , G02F1/13357
Abstract: 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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公开(公告)号：US11069829B2
公开(公告)日：2021-07-20
申请号：US16435313
申请日：2019-06-07
Applicant: Samsung Display Co. Ltd.
Inventor： Jung Hong Min , Dae Hyun Kim , Hyun Min Cho , Jong Hyuk Kang , Dong Uk Kim , Seung A Lee , Hyun Deok Im , Hyung Rae Cha
Abstract: 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：US20210104651A1
公开(公告)日：2021-04-08
申请号：US16993948
申请日：2020-08-14
Applicant: Samsung Display Co., LTD.
Inventor： Kwang Soo Bae , Dong Uk Kim , Beom Soo Park , Min Jeong Oh , Young Je Cho
Abstract: 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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公开(公告)号：US12237314B2
公开(公告)日：2025-02-25
申请号：US18620480
申请日：2024-03-28
Applicant: Samsung Display Co., LTD.
Inventor： Hyung Rae Cha , Dong Uk Kim , Sung Ae Jang , Ji Hyun Ham
Abstract: 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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Patent Agency Ranking
公开(公告)号：US12046625B2
公开(公告)日：2024-07-23
申请号：US17265799
申请日：2019-01-14
Applicant: Samsung Display Co., Ltd.
Inventor： Jung Hong Min , Dae Hyun Kim , Hyun Min Cho , Dong Uk Kim , Dong Eon Lee , Seung A Lee , Hyung Rae Cha
CPC classification number: H01L27/156 , H01L33/0095 , H01L33/12 , H01L33/22 , H01L33/38 , H01L33/40
Abstract: Provided are a light-emitting element, a manufacturing method thereof, and a display device comprising the light-emitting element. The method for manufacturing the light-emitting element comprises the steps of: preparing a lower substrate including a substrate and a buffer material layer formed on the substrate, forming a separating layer disposed on the lower substrate and including at least one graphene layer, forming an element deposition structure by depositing a first conductivity type semiconductor layer, an active material layer, and a second conductivity type semiconductor layer on the separating layer, forming an element rod by etching the element deposition structure and the separating layer in a vertical direction; and separating the element rod from the lower substrate to form a light emitting element.
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公开(公告)号：US11949045B2
公开(公告)日：2024-04-02
申请号：US17290682
申请日：2019-05-27
Applicant: Samsung Display Co., Ltd.
Inventor： Hyun Min Cho , Jung Hong Min , Dae Hyun Kim , Dong Uk Kim , Jae Hoon Jung
CPC classification number: H01L33/44 , H01L27/156 , H01L33/0093 , H01L33/24 , H01L2933/0025
Abstract: Provided are a light-emitting diode structure and a light-emitting diode manufacturing method. The light-emitting diode manufacturing method comprises the operations of:
preparing a lower substrate, which includes a substrate and a separation layer formed on the substrate, and preparing at least one semiconductor rod, which is formed on the separation layer, forming a rod structure, which includes a rod protecting layer formed on the separation layer to surround the at least one semiconductor rod and an auxiliary layer formed on at least part of the rod protecting layer and separating the rod structure from the lower substrate by removing the separation layer, and separating the at least one semiconductor rod from the rod structure.-
公开(公告)号：US11522113B2
公开(公告)日：2022-12-06
申请号：US16993948
申请日：2020-08-14
Applicant: Samsung Display Co., LTD.
Inventor： Kwang Soo Bae , Dong Uk Kim , Beom Soo Park , Min Jeong Oh , Young Je Cho
Abstract: 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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公开(公告)号：US11004892B2
公开(公告)日：2021-05-11
申请号：US16275794
申请日：2019-02-14
Applicant: Samsung Display Co., Ltd.
Inventor： Dong Uk Kim , Hyun Min Cho , Keun Kyu Song , Dae Hyun Kim , Jung Hong Min , Seung A Lee , Hyung Rae Cha
Abstract: 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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20.发明授权公开(公告)号：US10862000B2
公开(公告)日：2020-12-08
申请号：US16274109
申请日：2019-02-12
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： 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: H01L33/00 , H01L27/15 , H01L33/32 , H01L21/302
Abstract: 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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