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公开(公告)号：US20220384402A1
公开(公告)日：2022-12-01
申请号：US17767240
申请日：2020-09-24
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Yo Han LEE , Won Sik OH , Hyun Min CHO
Abstract: A pixel includes first and second sub-pixel areas adjacent to each other in a first direction; first and second electrodes disposed in each of the first and the second sub-pixel areas, and spaced apart from each other; light emitting elements disposed between the first and the second electrodes in each of the first and the second sub-pixel areas; a first driving transistor disposed in the first sub-pixel area, and electrically connected to the first electrode; and a second driving transistor disposed in the second sub-pixel area, and electrically connected to the first electrode. The first electrode of the first sub-pixel area and the first electrode of the second sub-pixel area are electrically disconnected from each other, and the second electrode of the first sub-pixel area and the second electrode of the second sub-pixel area are electrically connected to each other.
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公开(公告)号：US20220366840A1
公开(公告)日：2022-11-17
申请号：US17878515
申请日：2022-08-01
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Jin Oh KWAG , Won Sik OH , Keun Kyu SONG , Sung-Chan JO , Hyun Min CHO
IPC: G09G3/32
Abstract: A pixel includes first and second sub-emission areas enclosed by a bank; a first light source unit disposed in the first sub-emission area, and including at least one first light emitting element connected between at least one first split electrode and a second power supply; a second light source unit disposed in the second sub-emission area, and including at least one second light emitting element connected between at least one second split electrode and the second power supply; a first driving circuit connected between a first power supply and the at least one first split electrode, and supplying a first driving current to the first light source unit in response to a first data signal; and a second driving circuit connected between the first power supply and the second split electrode, and supplying a second driving current to the second light source unit in response to a second data signal.
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公开(公告)号：US20220123026A1
公开(公告)日：2022-04-21
申请号：US17422426
申请日：2019-07-09
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Won Sik OH , Yo Han LEE , Hyun Min CHO , Jong Hyuk KANG , Dae Hyun KIM
Abstract: A display device may include a pixel disposed in a display area. The pixel may include: a first electrode extending in a first direction; a second electrode including a first electrode part spaced apart from the first electrode in a direction intersecting with the first direction and extending in the first direction, a second electrode part extending from the first electrode part in a second direction, and a third electrode part extending form the second electrode part in the first direction; a third electrode including at least one area spaced apart from the third electrode part in the direction intersecting with the first direction and extending in the first direction; a first light emitting element connected between the first electrode and the second electrode; and a second light emitting element connected between the second electrode and the third electrode.
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公开(公告)号：US20240313165A1
公开(公告)日：2024-09-19
申请号：US18669514
申请日：2024-05-20
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Won Sik OH , Sin Chul KANG , Dae Hyun KIM , Hyun Min CHO
CPC classification number: H01L33/382 , H01L27/156 , H01L33/62
Abstract: A display device includes a first electrode stem and a second electrode stem extended in a first direction and spaced from each other, a first electrode branch branching off from the first electrode stem and extended in a second direction, a second electrode branch branching off from the second electrode stem and extended in the second direction, a third electrode between the first electrode branch and the second electrode branch and one or more light-emitting elements between the first electrode branch and the third electrode and between the third electrode and the second electrode branch, wherein the third electrode is extended in the second direction, and both ends of the third electrode in the second direction are spaced from the first electrode stem and from the second electrode stem, respectively.
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公开(公告)号：US20240313164A1
公开(公告)日：2024-09-19
申请号：US18669507
申请日：2024-05-20
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Won Sik OH , Sin Chul KANG , Dae Hyun KIM , Hyun Min CHO
CPC classification number: H01L33/382 , H01L27/156 , H01L33/62
Abstract: A display device includes a first electrode stem and a second electrode stem extended in a first direction and spaced from each other, a first electrode branch branching off from the first electrode stem and extended in a second direction, a second electrode branch branching off from the second electrode stem and extended in the second direction, a third electrode between the first electrode branch and the second electrode branch and one or more light-emitting elements between the first electrode branch and the third electrode and between the third electrode and the second electrode branch, wherein the third electrode is extended in the second direction, and both ends of the third electrode in the second direction are spaced from the first electrode stem and from the second electrode stem, respectively.
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Patent Agency Ranking
公开(公告)号：US20230155067A1
公开(公告)日：2023-05-18
申请号：US17920516
申请日：2021-04-21
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Hyun Deok IM , Won Sik OH , Won Ho LEE , Jong Hyuk KANG , Hyun Min CHO
IPC: H01L33/38 , H01L33/20 , H01L33/62 , H01L25/075 , H01L33/00
CPC classification number: H01L33/387 , H01L33/20 , H01L33/62 , H01L25/0753 , H01L33/005 , H01L2933/0016 , H01L2933/0066
Abstract: According to an embodiment, a pixel may include a first area and a second area partitioned in a first direction, (1-1)-th and (2-1)-th electrodes disposed in the first area and spaced apart in a second direction different from the first direction, (1-2)-th and (2-2)-th electrodes disposed in the second area and spaced apart in the second direction, light emitting elements disposed between the (1-1)-th and (2-1)-th electrodes and between the (1-2)-th and (2-2)-th electrodes, a contact electrode disposed on the (1-1)-th and (2-1)-th electrodes and the (1-2)-th and (2-2)-th electrodes, an insulating layer disposed between each of the (1-1)-th and (2-1)-th electrodes and the (1-2)-th and (2-2)-th electrodes, and the contact electrode, and including a first opening exposing a portion of the (1-1)-th electrode; and a first intermediate electrode electrically connecting the contact electrode on the (2-1)-th electrode and the contact electrode on the (1-2)-th electrode.
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公开(公告)号：US20220392947A1
公开(公告)日：2022-12-08
申请号：US17640311
申请日：2020-08-19
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Won Sik OH , Su Mi MOON , Hyun Min CHO
IPC: H01L27/15 , G09G3/3233 , H01L33/24 , H01L33/38 , H01L33/44
Abstract: Provided herein may be a display device. The display device may include: a first connection electrode extending in a first direction, and electrically connected to a first power line to which a first power supply is applied; a second connection electrode spaced apart from the first connection electrode, and electrically connected to a second power line to which a second power supply is applied; a first electrode extending from the first connection electrode; a second electrode extending from the second connection electrode, and disposed in parallel to the first electrode with a predetermined distance therebetween; and a plurality of light emitting elements each including a first end electrically connected to the first electrode, and a second end electrically connected to the second electrode. Each of the first electrode and the second electrode may include a bent portion.
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公开(公告)号：US20220392923A1
公开(公告)日：2022-12-08
申请号：US17755970
申请日：2020-10-08
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Won Sik OH , Hyun Min CHO , Dae Hyun KIM
Abstract: A display device may include a first scan line, a first data line and a second data line, a first read-out line and a second read-out line. A first sub-pixel may be connected to the first scan line, the first data line, and the first read-out line. A second sub-pixel may be connected to the first scan line, the first data line, and the second read-out line. A third sub-pixel may be connected to the first scan line, the second data line, and the first read-out line. Each of the first sub-pixel, the second sub-pixel, and the third sub-pixel may include at least one light emitting element.
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公开(公告)号：US20220181522A1
公开(公告)日：2022-06-09
申请号：US17604245
申请日：2020-03-03
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Su Mi MOON , Jae Woong KANG , Sin Chul KANG , Won Sik OH , Yo Han LEE
Abstract: A display device may include: a substrate including a display area and a non-display area; and at least one pixel disposed in the display area, and comprising at least one pixel including an emission area that emits light. The at least one pixel may include: at least one sub-electrode extending in a direction on the substrate; at least one branch electrode extending in a direction and spaced apart from the sub-electrode; a first insulating layer disposed on the at least one sub-electrode and the at least one branch electrode; first electrodes disposed on the first insulating layer and electrically connected with the at least one sub-electrode; second electrodes disposed on the first insulating layer and electrically connected with the at least one branch electrode; and at least one light emitting element aligned between at least one of the first electrodes and at least one of the second electrodes.
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公开(公告)号：US20220069164A1
公开(公告)日：2022-03-03
申请号：US17327168
申请日：2021-05-21
Applicant: Samsung Display Co., LTD.
Inventor： Seung Geun LEE , Byung Ju LEE , Won Sik OH , Seung A LEE
Abstract: A light-emitting element includes a first end portion and a second end portion disposed in a length direction of the light-emitting element, a first semiconductor layer disposed at the first end portion, an active layer disposed on the first semiconductor layer, a second semiconductor layer disposed on the active layer, a first barrier layer disposed between the active layer and the first semiconductor layer and including a first region and a second region, and an insulating film that surrounds an outer circumferential surface of each of the first semiconductor layer, the active layer, the first barrier layer, and the second semiconductor layer. The first region includes a semiconductor layer having an aluminum composition higher than an aluminum composition of the first semiconductor layer, the active layer, and the second semiconductor layer. The second region includes an oxide layer.
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