公开(公告)号：US12068279B2

公开(公告)日：2024-08-20

申请号：US17630595

申请日：2020-06-03

Applicant: Samsung Display Co., LTD.

Inventor： Won Ho Lee ,  Hyun Deok Im ,  Jong Hyuk Kang ,  Jin Oh Kwag ,  Keun Kyu Song ,  Sung Chan Jo ,  Hyun Min Cho

IPC: H01L21/68 ,  B41M3/00 ,  H01L23/00 ,  H01L25/16

CPC classification number: H01L24/95 ,  B41M3/006 ,  H01L21/68 ,  H01L25/167 ,  H01L24/24 ,  H01L24/25 ,  H01L2224/24051 ,  H01L2224/24101 ,  H01L2224/24145 ,  H01L2224/25175 ,  H01L2224/95102 ,  H01L2224/95133

Abstract: A dipole alignment device includes an electric field forming part including a stage, and a probe part which form an electric field on the stage; an inkjet printing apparatus including at least one inkjet head which sprays ink including dipoles and a solvent with the dipoles dispersed therein onto the stage; a transportation part comprising a first moving part which moves the electric field forming part in at least one direction; and a light irradiation apparatus including a light irradiation part which applies light to the ink sprayed onto the stage.

公开(公告)号：US12027508B2

公开(公告)日：2024-07-02

申请号：US17278114

申请日：2019-03-21

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Je Won Yoo ,  Dae Hyun Kim ,  Bek Hyun Lim ,  Myeong Hee Kim ,  Chang Il Tae ,  Hyun Min Cho ,  Keun Kyu Song ,  Jin Oh Kwag

IPC: H01L33/44 ,  H01L23/00 ,  H01L25/16 ,  H01L33/54 ,  H01L33/24

CPC classification number: H01L25/167 ,  H01L24/95 ,  H01L33/44 ,  H01L33/54 ,  H01L33/24 ,  H01L2224/95102 ,  H01L2224/95134 ,  H01L2933/005

Abstract: A display device may include: a substrate including a display area and a non-display area; and pixels disposed on the display area, and each including sub-pixels, each sub-pixel including a pixel circuit layer, and a display element layer including a light emitting element. The display element layer includes first and second electrodes spaced apart from each other; a first insulating layer disposed between the pixel circuit layer and the light emitting element; and a second insulating layer disposed on the light emitting element and filling spaces between the first insulating layer and ends of the light emitting element. The light emitting element includes a first conductive semiconductor layer, an active layer enclosing at least one side of the first conductive semiconductor layer, a second conductive semiconductor layer enclosing the active layer, an electrode layer enclosing the second conductive semiconductor layer, and an insulating film covering the electrode layer.

公开(公告)号：US11456439B2

公开(公告)日：2022-09-27

申请号：US17031778

申请日：2020-09-24

Applicant: Samsung Display Co., Ltd.

Inventor： Yun Hyuk Ko ,  Chang Hee Lee ,  Jin Oh Kwag ,  Keun Kyu Song ,  Yun Ku Jung ,  Sung-Chan Jo ,  Jae Kook Ha

IPC: H01L51/52 ,  H01L27/32 ,  H01L33/30 ,  H01L33/32

Abstract: A light emitting element and a display device including the same are provided. The light emitting element includes a first semiconductor layer, a second semiconductor layer, and an active layer between the first semiconductor layer and the second semiconductor layer, a protective layer surrounding an outer surface of at least one of the first semiconductor layer, the second semiconductor layer, and the active layer, and an insulating layer surrounding an outer surface of the protective layer. A surface of at least one of the first semiconductor layer, the second semiconductor layer, and the active layer includes a first lattice point, wherein the protective layer includes a first atom and a second atom, and wherein the first atom of the protective layer is at the first lattice point.

公开(公告)号：US11373587B2

公开(公告)日：2022-06-28

申请号：US17284337

申请日：2019-04-11

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jin Oh Kwag ,  Won Sik Oh ,  Keun Kyu Song ,  Sung-Chan Jo ,  Hyun Min Cho

IPC: G09G3/32 ,  H01L27/15

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.

公开(公告)号：US11074858B2

公开(公告)日：2021-07-27

申请号：US16214786

申请日：2018-12-10

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Min Cho ,  Sung Chul Kim ,  Dae Hyun Kim ,  Hye Yong Chu ,  Jong Hyuk Kang ,  Keun Kyu Song ,  Joo Yeol Lee ,  Bek Hyun Lim ,  Hyun Deok Im

IPC: G09G3/3233 ,  H01L33/20 ,  H01L33/00 ,  H01L33/44 ,  H01L33/52 ,  H01L33/38 ,  H01L25/075 ,  H01L25/16 ,  H05B45/40 ,  H01L33/62

Abstract: A display device includes: a substrate; a display element layer on one surface of the substrate and including at least one light emitting element emitting light; and a pixel circuit portion on the display element layer and including at least one transistor electrically connected to the light emitting element, wherein the display element layer includes: a first electrode on the substrate and electrically connected to one end of the light emitting element; a second electrode on the substrate and electrically connected to the other end of the light emitting element; and an insulation layer on the substrate including the second electrode, and having a first opening exposing a portion of the second electrode, and wherein the second electrode is electrically connected to the transistor through the first opening.

公开(公告)号：US10788721B2

公开(公告)日：2020-09-29

申请号：US16459508

申请日：2019-07-01

Applicant: Samsung Display Co., Ltd.

Inventor： Sang Hee Jang ,  Hyun Sup Lee ,  Jung Hun Noh ,  Keun Kyu Song ,  Byung Seok Choi

IPC: G02F1/1343 ,  G02F1/1362 ,  G02F1/1337

Abstract: A liquid crystal display is provided. A liquid crystal display comprising: an insulating substrate, a plurality of pixels disposed on the insulating substrate, and a display area in which the pixels are arranged in rows and columns, wherein four pixels arranged successively in a row direction form a domain pattern, and the domain pattern is repeated in the row direction and a column direction in the display area, wherein each pixel in first and second rows of the domain pattern has a first domain orientation, and each pixel in third and fourth rows of the domain pattern has a second domain orientation that is different from the first domain orientation.

公开(公告)号：US20190324330A1

公开(公告)日：2019-10-24

申请号：US16459508

申请日：2019-07-01

Applicant: Samsung Display Co., Ltd.

Inventor： Sang Hee Jang ,  Hyun Sup Lee ,  Jung Hun Noh ,  Keun Kyu Song ,  Byung Seok Choi

IPC: G02F1/1343

Abstract: A liquid crystal display is provided. A liquid crystal display comprising: an insulating substrate, a plurality of pixels disposed on the insulating substrate, and a display area in which the pixels are arranged in rows and columns, wherein four pixels arranged successively in a row direction form a domain pattern, and the domain pattern is repeated in the row direction and a column direction in the display area, wherein each pixel in first and second rows of the domain pattern has a first domain orientation, and each pixel in third and fourth rows of the domain pattern has a second domain orientation that is different from the first domain orientation.

公开(公告)号：US10438977B2

公开(公告)日：2019-10-08

申请号：US15499651

申请日：2017-04-27

Applicant: Samsung Display Co. Ltd.

Inventor： Jung Hun Noh ,  Keun Kyu Song

IPC: H01L29/786 ,  H01L27/12

Abstract: A display device may include a first base substrate, a light-blocker, a gate wiring, a semiconductor member, a data wiring, and a drain electrode. The light-blocker is disposed on the first base substrate, and includes a light-blocking line extending in a first direction and a light-blocking protrusion protruding from the light-blocking line in a second direction different from the first direction. The gate wiring includes a gate line extending in the first direction and a gate electrode protruding from the gate line. The semiconductor member overlaps the gate electrode and includes a source region, a drain region, and a channel region. The data wiring extends in the second direction and is electrically connected to the source region. The drain electrode is electrically connected to the drain region. An edge of the gate electrode in the first direction is located in an overlap area between the drain region and the light-blocking protrusion.

公开(公告)号：US10018864B2

公开(公告)日：2018-07-10

申请号：US15199745

申请日：2016-06-30

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jung Hun Noh ,  Keun Kyu Song ,  Hyun Sup Lee ,  Sang Hee Jang ,  Byung Seok Choi

IPC: G02F1/1333 ,  G02F1/1339

CPC classification number: G02F1/133345 ,  G02F1/13394 ,  G02F2001/133357

Abstract: A liquid crystal display device is provided. A liquid crystal display device, comprising: a first substrate and a second substrate facing each other; a liquid crystal layer disposed between the first substrate and the second substrate; a semiconductor layer disposed on the first substrate and including a channel area upon which a source electrode and a drain electrode are spaced apart from each other while facing each other; an organic layer disposed on the channel and including an opening that exposes at least a part of the channel area; and a common electrode disposed on the organic layer and including a first opening that extends across the channel area.

公开(公告)号：US12026426B2

公开(公告)日：2024-07-02

申请号：US18116257

申请日：2023-03-01

Applicant: Samsung Display Co., LTD.

Inventor： Byeong Hee Won ,  Keun Kyu Song ,  Yi Joon Ahn ,  Sung Chan Jo

IPC: G06F3/16 ,  G06F1/16 ,  G06F1/18 ,  G10K9/13 ,  H04R1/20 ,  H10K59/00

CPC classification number: G06F3/16 ,  G06F1/1605 ,  G06F1/189 ,  G10K9/13 ,  H04R1/20 ,  H10K59/00 ,  H04R2499/15

Abstract: A display device including a display panel including a substrate and a pixel array layer disposed on a first surface of the substrate, a sound generation device disposed on a second surface of the substrate opposite to the first surface of the substrate, and a circuit board disposed on the second surface of the substrate, in which the circuit board includes a first hole overlapping the sound generation device.