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公开(公告)号：US20240387477A1
公开(公告)日：2024-11-21
申请号：US18613808
申请日：2024-03-22
Applicant: Samsung Display Co., LTD.
Inventor： Jin Woo CHOI , Dae Ho SONG , Hyung Il JEON
IPC: H01L25/075 , H01L33/50 , H01L33/54
Abstract: A display device includes light emitting elements including a porous layer, a first protective layer disposed on the light emitting elements and including an opening exposing a side surface of the porous layer, and a second protective layer covering the opening of the first protective layer. The porous layer includes a color conversion material.
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公开(公告)号：US20240282760A1
公开(公告)日：2024-08-22
申请号：US18653575
申请日：2024-05-02
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Jin Woo CHOI , Min Woo KIM , Dae Ho SONG , Hyung II JEON
IPC: H01L25/16 , H01L21/683 , H01L23/00
CPC classification number: H01L25/167 , H01L21/6835 , H01L24/95 , H01L2221/68368 , H01L2221/68381 , H01L2224/95001
Abstract: A display device and a method of manufacturing the display device are proposed. The method may include disposing light emitting elements on a first transfer film; stretching the first transfer film so that the plurality of light emitting elements are spaced apart from each other; transferring the light emitting elements onto a thin film transistor array substrate; and removing the transfer film from the light emitting elements.
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公开(公告)号：US20240194828A1
公开(公告)日：2024-06-13
申请号：US18243021
申请日：2023-09-06
Applicant: Samsung Display Co., LTD.
Inventor： Young Seok SEO , Kyung Ho KIM , Hye Won JANG , Jin Woo CHOI
IPC: H01L33/24 , H01L25/075 , H01L33/00 , H01L33/50 , H01L33/62
CPC classification number: H01L33/24 , H01L25/0753 , H01L33/0093 , H01L33/505 , H01L33/62 , H01L2933/0016 , H01L2933/0041
Abstract: A includes a substrate including a display area in which a plurality of emission areas configured to emit light for displaying an image are arranged; a plurality of light emitting units located on the substrate and respectively corresponds to the plurality of emission areas; and a partition wall on the substrate, corresponding to a non-emission area which is a boundary between the plurality of emission areas, and having a variable width in at least one direction. The partition wall includes a plate corresponding to the non-emission area; and a pillar protruding from at least a portion of the plate to each of the plurality of emission areas and having a greater width than the plate.
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公开(公告)号：US20240063343A1
公开(公告)日：2024-02-22
申请号：US18304455
申请日：2023-04-21
Applicant: Samsung Display Co., LTD.
Inventor： Jung Hun NOH , Ju Won YOON , Jin Wan KIM , Jin Woo CHOI
CPC classification number: H01L33/385 , H01L25/167 , H01L33/0093
Abstract: A display device comprises a pixel electrode disposed on a substrate, light emitting elements disposed on the pixel electrode, a first via layer disposed on the pixel electrode and filled between the light emitting elements, and a common electrode disposed on the first via layer and the light emitting elements, wherein each of the light emitting elements includes a first semiconductor layer including a p-type dopant, an active layer disposed on the first semiconductor layer, a second semiconductor layer disposed on the active layer and including an n-type dopant, and a third semiconductor layer disposed on the second semiconductor layer, and the common electrode is in contact with a side surface of the second semiconductor layer.
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公开(公告)号：US20230122324A1
公开(公告)日：2023-04-20
申请号：US17889819
申请日：2022-08-17
Applicant: Samsung Display Co., LTD.
Inventor： Hyung Il JEON , Min Woo KIM , Sung Kook PARK , Ki Seong SEO , Dae Ho SONG , Jin Woo CHOI
IPC: H01L27/15
Abstract: A display device includes a first pixel, a second pixel, and a third pixel, bank patterns disposed on a substrate, light-emitting elements disposed between the bank patterns, color conversion layers disposed on the light-emitting elements between the bank patterns, and protective layers disposed on the color conversion layers, wherein the protective layers in the first pixel, the second pixel, and the third pixel have different thicknesses.
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Patent Agency Ranking
公开(公告)号：US20230069326A1
公开(公告)日：2023-03-02
申请号：US17829940
申请日：2022-06-01
Applicant: Samsung Display Co., LTD.
Inventor： Sung Eun BAEK , Sung Kook PARK , Ki Seong SEO , Hyung Il JEON , Jin Woo CHOI
Abstract: A display device includes pixels that are arranged in a display area in a first direction and a second direction and that include first electrodes separated from each other and light emitting elements electrically connected to the first electrodes; second electrodes that are arranged separately from each other in the first direction and are electrically connected to the light emitting elements of the pixels arranged in the second direction; a first pad part including a first pad electrically connected to the first electrodes; and a second pad part including second pads electrically connected to different second electrodes among the second electrodes.
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公开(公告)号：US20230060443A1
公开(公告)日：2023-03-02
申请号：US17869088
申请日：2022-07-20
Applicant: Samsung Display Co., LTD.
Inventor： Hyung Il JEON , Sung Kook PARK , Sung Eun BAEK , Ki Seong SEO , So Yeon YOON , Jin Woo CHOI
Abstract: A display device includes a first electrode disposed on a substrate. A light blocking layer is disposed on the substrate, the light blocking layer includes a recessed portion recessed toward the first electrode. Holes exposing the first electrode are formed in the recessed portion of the light blocking layer. Light emitting elements are disposed in the holes, each of the light emitting elements including a first end electrically contacting the first electrode. A second electrode is disposed on the light blocking layer, the second electrode electrically contacts a second end of each of the light emitting elements. A light conversion pattern is disposed in the recessed portion of the light blocking layer.
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公开(公告)号：US20230053037A1
公开(公告)日：2023-02-16
申请号：US17748832
申请日：2022-05-19
Applicant: Samsung Display Co., LTD.
Inventor： Jin Woo CHOI , Sung Kook PARK , Sung Eun BAEK , Byeong Hwa CHOI
Abstract: A display device and method for fabrication thereof includes a plurality of pixel electrodes and common electrode connection parts that are spaced from each other on a first substrate, a plurality of light emitting elements on the plurality of pixel electrodes, a plurality of common electrode elements on the common electrode connection parts, and a common electrode layer on the plurality of light emitting elements and the plurality of common electrode elements, wherein each of the plurality of light emitting element includes a first semiconductor layer, a second semiconductor layer, and an active layer between the first semiconductor layer and the second semiconductor layer, each of the plurality of common electrode elements includes at least the second semiconductor layer, and the common electrode layer includes a same material as the second semiconductor layer to be connected to the second semiconductor layers of the plurality of light emitting elements.
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公开(公告)号：US20230044786A1
公开(公告)日：2023-02-09
申请号：US17815170
申请日：2022-07-26
Applicant: Samsung Display Co., LTD.
Inventor： Jin Woo CHOI , Min Woo KIM , Sung Kook PARK , Sung Eun BAEK
Abstract: A display device includes light-emitting elements arranged on a circuit board, and extending in a thickness direction of the circuit board, wherein the light-emitting elements include a first light-emitting element configured to emit a first light, and a second light-emitting element configured to emit a second light, wherein the first light-emitting element and the second light-emitting element are on different layers, and wherein a width of the first light-emitting element is greater than a width of the second light-emitting element.
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公开(公告)号：US20220352420A1
公开(公告)日：2022-11-03
申请号：US17561056
申请日：2021-12-23
Applicant: Samsung Display Co., LTD.
Inventor： Sung Kook PARK , Min Woo KIM , Ja Eun LEE , Jin Woo CHOI
Abstract: A display device may include light emitting elements, a first electrode and a second electrode electrically connected to each of the light emitting elements, a pixel circuit electrically connected to at least one of the light emitting elements. The pixel circuit may be disposed in each of a plurality of pixel circuit areas that are disposed in a matrix form defined by a first direction and a second direction intersecting the first direction, a first contact portion and a second contact portion may be disposed in each of the plurality of pixel circuit areas, wherein the first contact portion electrically connects the pixel circuit and the first electrode, and the second contact portion electrically connects a common power line and the second electrode, and in a plan view, the first contact portion and the second contact portion may be alternately disposed along the first direction.
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