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公开(公告)号:US12170344B2
公开(公告)日:2024-12-17
申请号:US17583800
申请日:2022-01-25
Applicant: Samsung Display Co., LTD.
Inventor: Byung Ju Lee , Dae Ho Song , Jin Woo Choi , Jin Wan Kim , Seung Geun Lee
Abstract: A display device includes a base substrate, a partitioning wall on the base substrate, wherein the partitioning wall includes a first partitioning wall, and a second partitioning wall on the first partitioning wall, and a light emitting element spaced from the partitioning wall and located in a space surrounded by the partitioning wall in a plan view. The first partitioning wall and the light emitting element include a same material. The second partitioning wall includes a transparent conductive oxide.
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公开(公告)号:US11094741B2
公开(公告)日:2021-08-17
申请号:US16738490
申请日:2020-01-09
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor: Dong Gyun Kim , Moon Jung An , Dong Eon Lee , Hye Lim Kang , Hoo Keun Park , Byung Ju Lee
Abstract: A display device includes a substrate; a first electrode and a second electrode arranged to be spaced apart from each other on the substrate; a first insulating layer on the substrate; a light emitting element on the first insulating layer, located between the first electrode and the second electrode, and including a first end portion and a second end portion; a third electrode on the substrate and electrically connected to the first electrode and the first end portion; a fourth electrode on the substrate and electrically connected to the second electrode and the second end portion; a second insulating layer on the substrate and covering the light emitting element, the third electrode, and the fourth electrode; and a light diffusion layer on the second insulating layer and including a light diffusion particle.
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公开(公告)号:US11769787B2
公开(公告)日:2023-09-26
申请号:US17403828
申请日:2021-08-16
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor: Dong Gyun Kim , Moon Jung An , Dong Eon Lee , Hye Lim Kang , Hoo Keun Park , Byung Ju Lee
CPC classification number: H01L27/156 , H01L33/505 , H01L33/58
Abstract: A display device includes a substrate; a first electrode and a second electrode arranged to be spaced apart from each other on the substrate; a first insulating layer on the substrate; a light emitting element on the first insulating layer, located between the first electrode and the second electrode, and including a first end portion and a second end portion; a third electrode on the substrate and electrically connected to the first electrode and the first end portion; a fourth electrode on the substrate and electrically connected to the second electrode and the second end portion; a second insulating layer on the substrate and covering the light emitting element, the third electrode, and the fourth electrode; and a light diffusion layer on the second insulating layer and including a light diffusion particle.
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公开(公告)号:US11942025B2
公开(公告)日:2024-03-26
申请号:US17855251
申请日:2022-06-30
Applicant: Samsung Display Co., LTD.
Inventor: Jin Wan Kim , Seung Geun Lee , Sang Jo Kim , Su Jeong Kim , Young Jin Song , Byung Ju Lee
CPC classification number: G09G3/32 , G09G3/2007 , H01L25/18 , H01L27/156 , G09G2300/0452 , H01L24/05 , H01L24/08 , H01L24/13 , H01L24/16 , H01L24/48 , H01L24/73 , H01L24/81 , H01L2224/05573 , H01L2224/05582 , H01L2224/05611 , H01L2224/05624 , H01L2224/05644 , H01L2224/05647 , H01L2224/05687 , H01L2224/08148 , H01L2224/13082 , H01L2224/13111 , H01L2224/13124 , H01L2224/13144 , H01L2224/13147 , H01L2224/16145 , H01L2224/48157 , H01L2224/73207 , H01L2224/80801 , H01L2224/81801
Abstract: A display device includes a substrate, a plurality of pixel electrodes on the substrate and spaced apart from each other, a plurality of light-emitting elements on the plurality of pixel electrodes, respectively, and a common electrode layer on the plurality of light-emitting elements and to which a common voltage is applied. The plurality of light-emitting elements include a first light-emitting element that is configured to emit first light according to a first driving current and a second light-emitting element that is configured to emit second light according to a second driving current. An active layer of the first light-emitting element is the same as an active layer of the second light-emitting element.
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公开(公告)号:US12183771B2
公开(公告)日:2024-12-31
申请号:US17520227
申请日:2021-11-05
Applicant: Samsung Display Co., Ltd.
Inventor: Seung Geun Lee , Byung Ju Lee , Hoo Keun Park , Chul Jong Yoo , Dong Eon Lee
Abstract: A display device includes a first subpixel and a second subpixel, wherein the first subpixel includes a first light source unit including a plurality of first light-emitting elements configured to emit first light having a center wavelength of a first wavelength, the second subpixel includes a second light source unit including a plurality of second light-emitting elements configured to emit second light having a center wavelength of a second wavelength, the first light source unit includes first to nth light-emitting groups that are connected in series, each of the groups including the plurality of first light-emitting elements, the second light source unit includes first to mth light-emitting groups that are connected in series and each of the groups includes the plurality of second light-emitting elements, where n and m are natural numbers, and the second wavelength is different from the first wavelength.
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公开(公告)号:US11990568B2
公开(公告)日:2024-05-21
申请号:US17423084
申请日:2019-07-15
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor: Young Rag Do , Byung Ju Lee
CPC classification number: H01L33/382 , H01L27/156 , H01L33/005 , H01L33/20 , H01L33/62 , H01L2933/0016
Abstract: A light emitting device, a display device including a light emitting device, and a method of manufacturing a display device are provided. A light emitting device may include a substrate, and a plurality of light emitting element layers stacked on the substrate. Each of the light emitting element layers may include an insulating layer entirely disposed on the substrate, a first electrode and a second electrode disposed on the insulating layer and spaced apart from each other, and a plurality of light emitting elements disposed between the first electrode and the second electrode.
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