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公开(公告)号：US20240297164A1
公开(公告)日：2024-09-05
申请号：US18461743
申请日：2023-09-06
Applicant: Samsung Display Co., LTD.
Inventor： Soo Jo OCK , Hyun Deok IM , Buem Joon KIM , Won Ho LEE
IPC: H01L25/16 , H01L25/075 , H01L33/62
CPC classification number: H01L25/167 , H01L25/0753 , H01L33/62 , H01L2933/0066
Abstract: A display device includes a base layer including an inner hole, a pixel circuit layer disposed on the base layer and including a pixel circuit, and a light emitting element disposed on the pixel circuit layer.
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公开(公告)号：US20240213411A1
公开(公告)日：2024-06-27
申请号：US18500226
申请日：2023-11-02
Applicant: Samsung Display Co., LTD.
Inventor： Hyun Deok IM , Buem Joon KIM , Won Ho LEE
CPC classification number: H01L33/385 , G09G3/32 , H01L25/167 , G09G2300/0819 , G09G2300/0842 , G09G2300/0861
Abstract: A display device includes: a first light emitting element disposed in a first light emitting area; a second light emitting element disposed in a second light emitting area; a first contact electrode electrically connected to a first end portion of the first light emitting element; a second contact electrode electrically connected to a second end portion of the first light emitting element; a third contact electrode electrically connected to a first end portion of the second light emitting element; and a connection electrode electrically connected to the second contact electrode and bypassing the first contact electrode to be electrically connected to the third contact 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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Patent Agency Ranking
公开(公告)号：US20250048805A1
公开(公告)日：2025-02-06
申请号：US18599059
申请日：2024-03-07
Applicant: Samsung Display Co., LTD.
Inventor： Won Ho LEE , Jong Hyuk KANG , Buem Joon KIM , Hyun Deok IM
IPC: H01L33/56 , H01L25/075 , H01L33/00
Abstract: A light emitting element, a manufacturing method of the light emitting element, a display device including the light emitting element, and a manufacturing method of the display device are provided. The light emitting element includes end portions including a first end portion and a second end portion; a side portion between the first end portion and the second end portion; a semiconductor stacked member including a first semiconductor layer adjacent to the first end portion, a second semiconductor layer adjacent to the second end portion, and an active layer between the first semiconductor layer and the second semiconductor layer; a first surface member on the side portion and having a first surface energy; and a second surface member on the end portions and having a second surface energy less than the first surface energy.
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公开(公告)号：US20240178347A1
公开(公告)日：2024-05-30
申请号：US18394110
申请日：2023-12-22
Applicant: Samsung Display Co., LTD.
Inventor： Jae Hoon JUNG , Won Ho LEE , Hyun Deok IM
CPC classification number: H01L33/382 , H01L33/005
Abstract: A display device includes a first electrode, a second electrode spaced apart from the first electrode and facing the first electrode, a first insulating layer disposed to at least partially cover the first electrode and the second electrode, a second insulating layer disposed on at least a part of the first insulating layer, and a light-emitting element disposed on the second insulating layer between the first electrode and the second electrode, wherein at least a part of a lower surface of the light-emitting element is chemically bonded to the second insulating layer.
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公开(公告)号：US20230352455A1
公开(公告)日：2023-11-02
申请号：US17998629
申请日：2021-04-21
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Hyun Deok IM , Jong Hyuk KANG , Won Ho LEE , Ki Sun JANG , Hyun Min CHO
CPC classification number: H01L25/0753 , H01L25/167 , H01L27/124 , H01L33/24 , H01L33/38 , H01L33/62
Abstract: A display device includes a substrate including a plurality of pixel areas; and a pixel provided in each of the pixel areas. The pixel may include a first electrode and a second electrode extending in a first direction on the substrate and spaced from each other in a second direction different from the first direction; a bank pattern between the substrate and the first electrode and between the substrate and the second electrode, and including at least two sub-bank patterns in a same column and spaced from each other; and a plurality of light emitting elements between the first and second electrodes. Here, each of the first and second electrodes may have at least two or more widths in the second direction along the first direction.
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公开(公告)号：US20240258483A1
公开(公告)日：2024-08-01
申请号：US18419086
申请日：2024-01-22
Applicant: Samsung Display Co., LTD.
Inventor： Hyun Deok IM , Jong Hyuk KANG , Soo Jo OCK , Won Ho LEE
CPC classification number: H01L33/62 , H01L25/167 , H01L33/483 , H01L2933/0066
Abstract: According to one or more embodiments of the present disclosure, a display device may include a substrate including a first emission area and a second emission area spaced from the first emission area in a first direction, a bank partitioning the first emission area and the second emission area, a first alignment electrode covering the first emission area in a plan view, a second alignment electrode spaced from the second alignment electrode and covering the second emission area in a plan view, first light emitting elements on the first alignment electrode, and second light emitting elements on the second alignment electrode.
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公开(公告)号：US20220415962A1
公开(公告)日：2022-12-29
申请号：US17677360
申请日：2022-02-22
Applicant: Samsung Display Co., LTD.
Inventor： Won Ho LEE , Buem Joon KIM , Jong Hyuk KANG , Hyun Deok IM
Abstract: A display device includes a substrate including a pixel area, and a pixel disposed in the pixel area and including an emission area and a non-emission area. The pixel includes a first alignment electrode and a second alignment electrode spaced from each other on the substrate, an insulating layer disposed on the first and second alignment electrodes, at least one light emitting element disposed on the insulating layer between the first alignment electrode and the second alignment electrode in the emission area, a pattern disposed between the at least one light emitting element and the insulating layer and including a hydrophilic group, and a bank disposed on the insulating layer in the non-emission area and including a first opening corresponding to the emission area and a second opening spaced from the first opening of the bank.
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