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公开(公告)号：US20230256735A1
公开(公告)日：2023-08-17
申请号：US18004032
申请日：2021-06-04
Applicant: Samsung Display Co., LTD.
Inventor： Hye Jung HONG , Hyun Min CHO , Jong Hyuk KANG , Hee Yeon YOO , Yo Han LEE , Jae Hoon JUNG
CPC classification number: B41J2/04563 , B41J2/175 , B41J2/04583
Abstract: An inkjet printing apparatus includes: a print head device including an inkjet head to spray a composition for ink including a plurality of bipolar elements; an ink circulation device including an ink storage to store the composition for ink, and transfer the composition for ink to the print head device; an ink injection device to inject the composition for ink into the ink storage; and a temperature adjusting device to adjust a temperature of the composition for ink. The temperature adjusting device includes: a first temperature adjusting device to adjust a temperature to be included in a first reference temperature range; a second temperature adjusting device to adjust a temperature to be included in a second reference temperature range; and a third temperature adjusting device to adjust a temperature to be included in a third reference temperature range.
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公开(公告)号：US20230207608A1
公开(公告)日：2023-06-29
申请号：US17923509
申请日：2021-04-01
Applicant: Samsung Display Co., LTD.
Inventor： Han Su KIM , Eun A YANG , Jong Hyuk KANG , Hyun Min CHO
CPC classification number: H01L27/156 , H01L33/005 , H01L33/24 , H01L33/44
Abstract: A display device includes: a pixel region including a plurality of alignment areas and a non-alignment area adjacent to the plurality of alignment areas; a plurality of electrodes extending in a direction and be spaced apart from each other in the pixel region; a plurality of light-emitting elements disposed between the plurality of electrodes in the plurality of alignment areas and including at least one end of the plurality of light-emitting elements disposed on one of the plurality of electrodes; and an alignment-inducing layer including a first part disposed in the non-alignment area.
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公开(公告)号：US20230187578A1
公开(公告)日：2023-06-15
申请号：US17926031
申请日：2020-09-15
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Je Won YOO , Dong Gyun KIM , Hyun Min CHO
IPC: H01L33/24 , H01L25/075 , H01L33/00
CPC classification number: H01L33/24 , H01L25/0756 , H01L33/005
Abstract: A method of manufacturing a light emitting element includes providing light emitting patterns on a substrate, providing a soft material layer between the light emitting patterns, deforming the soft material layer, and separating the light emitting patterns from the substrate.
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公开(公告)号：US20230180523A1
公开(公告)日：2023-06-08
申请号：US17953098
申请日：2022-09-26
Applicant: Samsung Display Co., Ltd.
Inventor： Hyun Ah SUNG , Tae Wook KANG , Hyun Min CHO , Dong Min LEE
CPC classification number: H01L27/3262 , H01L27/3234 , H01L27/1225 , H01L27/3218
Abstract: Provided is a display device comprising a substrate including a first sub-display area and a main display area surrounding the first sub-display area, a first transistor disposed on the main display area without overlapping the first sub-display area, a via insulating layer to cover the first transistor, a first light emitting element to overlap the main display area without overlapping the first sub-display area, a second light emitting element to overlap the first sub-display area without overlapping the main display area, and a transparent oxide layer to overlap the first sub-display area without overlapping the main display area, wherein the transparent oxide layer includes a conductive portion and a non-conductive portion, the first light emitting element is disposed to overlap the first transistor while being connected thereto, and the second light emitting element is connected to the conductive portion of the transparent oxide layer.
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公开(公告)号：US20220384518A1
公开(公告)日：2022-12-01
申请号：US17818345
申请日：2022-08-08
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Hyun Min CHO , Dae Hyun KIM , Jin Oh KWAG , Dong Hyun KIM , Keun Kyu SONG , Hyun Deok IM , Sung Chan JO
Abstract: A display device comprises a first electrode, a second electrode disposed to be spaced apart from the first electrode and face the first electrode, a first insulating layer disposed to cover the first electrode and the second electrode, a second insulating layer disposed on at least a part of the first insulating layer and exposing at a part of a region where the first electrode and the second electrode overlaps the first insulating layer and at least one light emitting element on the exposed first insulating layer between the first electrode and the second electrode, wherein the second insulating layer includes at least one opening exposing the first insulating layer and disposed to be spaced apart from each other on a region where the first electrode and the second electrode face each other, and a bridge portion between the openings, and the light emitting element is disposed on the opening.
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Patent Agency Ranking
156.发明申请公开(公告)号：US20220336527A1
公开(公告)日：2022-10-20
申请号：US17641412
申请日：2020-02-27
Applicant: Samsung Display Co., LTD.
Inventor： Hyung Rae CHA , Dong Uk KIM , Myeong Hee KIM , Se Young KIM , Hyun Min CHO
Abstract: A light emitting device includes: a first semiconductor layer that is doped with a first polarity dopant, and that includes a first part extending in a first direction and a second part connected to one side of the first part; a second semiconductor layer doped with second polarity dopant that differs from the first polarity dopant; an active layer between the first semiconductor layer and the second semiconductor layer; and an insulation film around at least the outer surface of the active layer and extends in the first direction, wherein the diameter of the second part measured in a second direction perpendicular to the first direction is larger than the diameter of the first part measured in the second direction, and the side surface of the second part is inclined.
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公开(公告)号：US20220328742A1
公开(公告)日：2022-10-13
申请号：US17843314
申请日：2022-06-17
Applicant: Samsung Display Co., Ltd.
Inventor： Dae Hyun KIM , Hyun Min CHO , Hyun Deok IM , Jong Hyuk KANG , Keun Kyu SONG , Joo Yeol LEE , Bek Hyun LIM , SUNG-CHAN JO
IPC: H01L33/62 , H01L25/075 , H01L25/16 , H01L27/12 , H01L33/38
Abstract: A light emitting device may include: a substrate including a plurality of unit light emitting regions; and first to fourth insulating layers sequentially on the substrate. Each of the unit light emitting regions may include: at least one light emitting element on the first insulating layer, the at least one light emitting element having a first end portion and a second end portion in a length direction thereof; first and second partition walls on the substrate, and the first and second partition walls being spaced apart from each other; a first reflective electrode on the first partition wall and a second reflective electrode on the second partition wall; a first contact electrode on the first reflective electrode, the first contact electrode connecting the first reflective electrode and the first end portion of the light emitting element; a second contact electrode on the second reflective electrode, the second contact electrode connecting the second reflective electrode and the second end portion of the light emitting element; and a conductive pattern provided between the first insulating layer and the first contact electrode, the conductive pattern surrounding the first and second reflective electrodes when viewed on a plane.
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158.发明申请公开(公告)号：US20220254959A1
公开(公告)日：2022-08-11
申请号：US17626019
申请日：2020-06-03
Applicant: Samsung Display Co., LTD.
Inventor： Seung Geun LEE , Dong Uk KIM , Dae Hyun KIM , Se Young KIM , Hyun Min CHO , Hyung Rae CHA
Abstract: A light emitting element having a shape extending in a direction includes a first semiconductor layer and a second semiconductor layer, an active layer between the first and second semiconductor layers, a first electrode layer on a second surface opposite to a first surface of the first semiconductor layer facing the active layer, a second electrode layer on a second surface opposite to a first surface of the second semiconductor layer facing the active layer, and an insulating film surrounding a side surface of the active layer, a side surface of the first electrode layer, and a side surface of the second electrode layer, wherein a first area including the insulating film adjacent to a side surface of the active layer has a thickness larger than a thickness of a second area including the insulating film adjacent to a side surface of the first electrode layer.
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公开(公告)号：US20220231080A1
公开(公告)日：2022-07-21
申请号：US17605781
申请日：2020-01-16
Applicant: SAMSUNG DISPLAY Co., LTD.
Inventor： Xinxing LI , Tae Jin KONG , Dae Hyun KIM , Veidhes BASRUR , Hyun Min CHO
Abstract: A display device includes a pixel disposed in a display area. The pixel includes a first electrode; a first insulating layer disposed on the first electrode, and including openings, each of the openings exposing different areas of the first electrode and defining respective cells; light emitting elements disposed in the respective cells, each of the light emitting elements including a first end electrically connected to the first electrode; and a second end protruding upward from the first insulating layer; and a second electrode disposed on the light emitting elements, and electrically connected to the second ends of each of the light emitting elements.
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公开(公告)号：US20220223760A1
公开(公告)日：2022-07-14
申请号：US17614724
申请日：2020-05-20
Applicant: Samsung Display Co., LTD.
Inventor： Hyun Deok IM , Jong Hyuk KANG , Dae Hyun KIM , Won Hee NAM , Ki Sun JANG , Hyun Min CHO
Abstract: A display device includes at least one pixel; at least one electrode spaced apart from each other in each of the at least one pixel; and at least one light-emitting element disposed between the at least one electrode, wherein the at least one electrode include at least one inner electrode disposed adjacent to the center of each of the at least one pixel; and at least one outer electrode spaced apart from each of the at least one inner electrode, a distance between the central portion of the at least one pixel and the at least one outer electrode is greater than a distance between the central portion of the at least one pixel and the inner electrode, and a width of the at least one inner electrode is different from a width of the at least one outer electrode.
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