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公开(公告)号：US20240088198A1
公开(公告)日：2024-03-14
申请号：US18508222
申请日：2023-11-13
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
CPC classification number: H01L27/156 , H01L33/38 , H01L33/62
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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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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公开(公告)号：US20220367424A1
公开(公告)日：2022-11-17
申请号：US17724683
申请日：2022-04-20
Applicant: Samsung Display Co., LTD.
Inventor： Hyun Deok IM , Jong Hyuk KANG , Yang Gyu JANG , Eun A CHO
Abstract: A display device comprises first banks disposed on a substrate and spaced apart from each other in a first direction; a first electrode and a second electrode disposed on the first banks; a light emitting diode disposed between the first electrode and the second electrode; and at least one reflective structure disposed between the first electrode and the second electrode and spaced apart from the light emitting diode. The light emitting diode and the at least one reflective structure are spaced apart from each other in a second direction intersecting the first direction.
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公开(公告)号：US20220344314A1
公开(公告)日：2022-10-27
申请号：US17705925
申请日：2022-03-28
Applicant: Samsung Display Co., LTD.
Inventor： Ki Hoon PARK , Jung Hyun AHN , Hyun Deok IM
Abstract: A display device includes first banks extending in a first direction and that are spaced apart from each other in a second direction intersecting the first direction, a first electrode extending in the first direction and including a first part disposed between the first banks, a second electrode extending in the first direction and including a second part spaced apart from the first part in the second direction and disposed between the first banks, a first dummy pattern disposed on one of the first banks and spaced apart from the first part, a second dummy pattern disposed on another one of the first banks and spaced apart from the second part, and light-emitting elements disposed between the first banks, the light-emitting elements having at least one end portion disposed on one of the first part of the first electrode and the second part of the second electrode.
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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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Patent Agency Ranking
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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公开(公告)号：US20220149244A1
公开(公告)日：2022-05-12
申请号：US17602138
申请日：2020-01-16
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Won Ho LEE , Jong Hyuk KANG , Hyun Deok IM , Hyun Min CHO
Abstract: A pixel includes electrode pairs successively disposed in a first direction, and each including a first sub-electrode and a second sub-electrode successively disposed in the first direction; light emitting elements each electrically connected between the first sub-electrode and the second sub-electrode of any one the electrode pairs; a first connection electrode electrically connected between the first sub-electrode of a first electrode pair and a first power supply; and a second connection electrode electrically connected between the second sub-electrode of a last electrode pair and a second power supply. The second sub-electrode of a remaining electrode pair other than the last electrode pair is spaced apart from the first sub-electrode of a subsequent electrode pair with at least one first sub-electrode or at least one second sub-electrode disposed therebetween, and is electrically connected to the first sub-electrode of the subsequent electrode pair.
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公开(公告)号：US20220131047A1
公开(公告)日：2022-04-28
申请号：US17494446
申请日：2021-10-05
Applicant: Samsung Display Co., LTD.
Inventor： Hyun Deok IM , Jong Hyuk KANG , Jung Hyun AHN , Won Ho LEE , Hae Yun CHOI
Abstract: A display device comprises a first electrode and a second electrode on a substrate, a first insulating layer on the first electrode and the second electrode, light emitting elements on the first insulating layer each having a first end on the first electrode and a second end on the second electrode, a first connection electrode disposed on the first electrode and electrically contacting the first end of each of the light emitting elements, a second connection electrode disposed on the second electrode and electrically contacting the second end of each of the light emitting elements, a second insulating layer on the light emitting elements, the first connection electrode and the second connection electrode, and a third connection electrode disposed on the second insulating layer and electrically contacting the light emitting elements through an opening formed in the second insulating layer that partially exposes the light emitting elements.
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公开(公告)号：US20220085246A1
公开(公告)日：2022-03-17
申请号：US17411664
申请日：2021-08-25
Applicant: Samsung Display Co., LTD.
Inventor： Buem Joon KIM , Won Ho LEE , Hyun Deok IM , Jong Hyuk KANG , Eun A CHO
Abstract: A display device comprises a substrate, a first electrode and a second electrode disposed on the substrate, a first insulating layer disposed on the first electrode and the second electrode, first light emitting elements disposed on the first insulating layer, a first connection electrode disposed on the first electrode to contact first ends of the first light emitting elements and a second connection electrode disposed on the second electrode to contact second ends of the first light emitting elements, a second insulating layer disposed on the first light emitting elements, the first connection electrode and the second connection electrode, second light emitting elements disposed on the second insulating layer, a third connection electrode disposed on the first connection electrode to contact first ends of the second light emitting elements, and a fourth connection electrode disposed on the second connection electrode to contact second ends of the second light emitting elements.
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公开(公告)号：US20220005978A1
公开(公告)日：2022-01-06
申请号：US17295403
申请日：2019-05-20
Applicant: Samsung Display Co., Ltd.
Inventor： Hyun Deok IM , Jong Hyuk KANG , Hyun Min CHO
Abstract: A light emitting device may include: an emission area; an insulating pattern in the emission area, the insulating pattern including at least one recess and a protrusion around the recess; a first electrode on the insulating pattern and overlapping a first area of the recess and the protrusion in a periphery of the first area; a second electrode on the insulating pattern and spaced from the first electrode in a first direction, the second electrode overlapping a second area of the recess and the protrusion in a periphery of the second area; and a light emitting diode in the recess and electrically connected between the first electrode and the second electrode.
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