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.

公开(公告)号：US20220302350A1

公开(公告)日：2022-09-22

申请号：US17636480

申请日：2020-06-03

Applicant: Samsung Display Co., LTD.

Inventor： Su Mi MOON

IPC: H01L33/38 ,  H01L33/62

Abstract: A light emitting element includes a first semiconductor layer doped with a first polarity; a second semiconductor layer doped with a second polarity different from the first polarity; an active layer arranged between the first semiconductor layer and the second semiconductor layer, and including a first surface facing the first semiconductor layer and a second surface facing the second semiconductor layer; and a doped layer disposed on the first surface or the second surface of the active layer and having ions of the first polarity or the second polarity.

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

IPC: H01L33/38 ,  H01L33/62 ,  H01L27/15 ,  H01L33/00

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.

公开(公告)号：US20240290914A1

公开(公告)日：2024-08-29

申请号：US18654802

申请日：2024-05-03

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Su Mi MOON ,  Eun Ju KIM ,  Hyun Min CHO

IPC: H01L33/44 ,  H01L25/16 ,  H01L33/00 ,  H01L33/24

CPC classification number: H01L33/44 ,  H01L25/167 ,  H01L33/0062 ,  H01L33/0066 ,  H01L33/24 ,  H01L2933/0025

Abstract: A light emitting element includes an emission stacked pattern and an insulating film. The emission stack pattern includes a first conductive semiconductor layer, an active layer disposed on the first conductive semiconductor layer, and a second conductive semiconductor layer disposed on the active layer. The insulating film surrounds an outer surface of the emission stacked pattern and has a non-uniform thickness.

公开(公告)号：US20230006119A1

公开(公告)日：2023-01-05

申请号：US17784462

申请日：2020-11-13

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Won Sik OH ,  Su Mi MOON ,  Sin Chul KANG ,  Hyun Min CHO ,  Xinxing LI ,  Chul Jong YOO

IPC: H01L33/62 ,  H01L33/38 ,  H01L27/15 ,  H01L33/00

Abstract: A display device may include a substrate including pixel areas, and a pixel disposed in each of the pixel area. The pixel may include a transistor and a driving voltage line disposed in the substrate, first and second electrodes spaced apart from each other, a bank pattern disposed on the first and second electrodes, respectively, intermediate layers disposed on the bank pattern, light emitting elements disposed between two adjacent intermediate layers of the intermediate layers, a first contact electrode disposed on one of the two adjacent intermediate layers and electrically connected to an end of each of the light emitting elements, and a second contact electrode disposed on another one of the two adjacent intermediate layers and electrically connected to another end of each of the light emitting elements.

公开(公告)号：US20220069003A1

公开(公告)日：2022-03-03

申请号：US17420873

申请日：2019-07-05

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yo Han LEE ,  Sin Chul KANG ,  Jae Woong KANG ,  Su Mi MOON ,  Won Sik OH

IPC: H01L27/15 ,  H01L33/62 ,  H01L33/38 ,  H01L33/00 ,  G09G3/00

Abstract: A display device includes a pixel disposed in a display area. The pixel includes first and second sub-areas; first and second electrodes of a first stage disposed in the first sub-area; first light emitting elements disposed between the first and second electrodes; first and second contact electrodes of the first stage to electrically connect the first light emitting elements between the first and second electrodes; first and second electrodes of a second stage disposed in the second sub-area; second light emitting elements disposed between the first and second electrodes of the second stage; first and second contact electrodes of the second stage to electrically connect the second light emitting elements between the first and second electrodes of the second stage; and a connection electrode to electrically connect the second contact electrode of the first stage with the first contact electrode of the second stage.

公开(公告)号：US20240055566A1

公开(公告)日：2024-02-15

申请号：US17754552

申请日：2020-03-12

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Chang Il TAE ,  Jae Woong KANG ,  Sin Chul KANG ,  Su Mi MOON ,  Won Sik OH

IPC: H01L33/58 ,  H01L25/16 ,  H01L33/38

CPC classification number: H01L33/58 ,  H01L25/167 ,  H01L33/385

Abstract: A display device in accordance with one or more embodiments may include: a substrate including a display area including a plurality of pixel areas, each of the plurality of pixel areas including an emission area, and a non-display area at at least one side of the display area; and a pixel in each of the plurality of pixel areas. The pixel may include: a first electrode and a second electrode spaced from each other on the substrate; a plurality of light emitting elements connected between the first and the second electrodes; and an optical pattern on the plurality of light emitting elements and overlapping at least some of the plurality of light emitting elements. The optical pattern is configured to extract light emitted from the plurality of light emitting elements.

公开(公告)号：US20240038152A1

公开(公告)日：2024-02-01

申请号：US18482191

申请日：2023-10-06

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yo Han LEE ,  Su Mi MOON ,  Hyun Min CHO

IPC: G09G3/32 ,  G09G3/20

CPC classification number: G09G3/32 ,  G09G3/2007 ,  G09G2300/0426 ,  G09G2300/0439 ,  G09G2300/0809 ,  G09G2310/0243 ,  G09G2310/027 ,  G09G2310/0272 ,  G09G2310/08 ,  G09G2330/00

Abstract: A pixel includes a first light source including at least one first light emitting element between a first split electrode and a second power supply; a second light source unit including at least one second light emitting element between a second split electrode and the second power supply; a driving-current generator including a first transistor between a first power supply and the first and second light source units and generating a driving current corresponding to a first data signal; a first switching unit including a first switching element between the driving-current generator and the first light source; and a second switching unit including a second switching element between the driving-current generator and the second light source unit and controlling an electrical connection between the first and second light source units in response to a second data signal.

公开(公告)号：US20220393071A1

公开(公告)日：2022-12-08

申请号：US17775077

申请日：2020-09-04

Applicant: Samsung Display Co., LTD.

Inventor： Su Mi MOON ,  Sin Chul KANG

IPC: H01L33/38 ,  H01L33/62 ,  H01L27/15

Abstract: A display device includes a first inner bank and a second inner bank that are disposed on a substrate and spaced apart from each other, a first electrode disposed on a partial area of the first inner bank and a second electrode covering the second inner bank, and a light-emitting element between the first electrode and the second electrode, wherein an end portion of the light-emitting element does not overlap the first electrode in a thickness direction of the substrate, and another end portion of the light-emitting element overlaps the second electrode in a thickness direction.

公开(公告)号：US20220077227A1

公开(公告)日：2022-03-10

申请号：US17417730

申请日：2019-07-02

Applicant: Samsung Display Co., Ltd.

Inventor： Sin Chul KANG ,  Su Mi MOON

IPC: H01L27/15 ,  H01L33/38 ,  H01L33/62 ,  G09G3/32

Abstract: A display device may include: a base layer including a display area and a non-display area; and a plurality of pixels in the display area, and each including a plurality of sub-pixels each including an emission area configured to emit light and a peripheral area around the emission area. The sub-pixels may include: at least one first electrode and at least one second electrode extending in a direction and spaced apart from each other; and a plurality of light emitting elements between a first electrode of the at least one first electrode and a second electrode of the at least one second electrode and configured to emit light. At least one of the first electrode and the second electrode may include at least two first electrode patterns spaced apart from each other, and coupled by at least one first connection pattern in the emission area.