公开(公告)号：US12153761B2

公开(公告)日：2024-11-26

申请号：US18365388

申请日：2023-08-04

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyun Min Cho ,  Dae Hyun Kim ,  Sung Chul Kim ,  Hye Yong Chu ,  Keun Kyu Song

IPC: H01L33/00 ,  G06F3/041 ,  G06F3/042 ,  G09G3/3225 ,  H01L33/20 ,  H01L33/32 ,  H01L33/38

Abstract: A display device including a substrate and a plurality of pixels in a display region of the substrate. Each of the pixels includes first and second sub-pixels, and each of the first and second sub-pixels has a light emitting region for emitting light. The first sub-pixel includes a first light emitting element in the light emitting region and configured to emit visible light. The second sub-pixel includes a second light emitting element in the light emitting region and configured to emit infrared light and a light receiving element configured to receive the infrared light emitted from the second light emitting element to detect a user's touch. The second light emitting element and the light receiving element in the second sub-pixel are electrically insulated from and optically coupled to each other to form a photo-coupler.

公开(公告)号：US12119436B2

公开(公告)日：2024-10-15

申请号：US17432610

申请日：2019-08-23

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Won Ho Lee ,  Sung-Chan Jo ,  Jong Hyuk Kang ,  Hyun Deok Im ,  Hyun Min Cho ,  Won Kyu Kim

IPC: H01L33/62 ,  G09G3/32 ,  H01L33/00 ,  H01L33/38

CPC classification number: H01L33/62 ,  G09G3/32 ,  H01L33/005 ,  H01L33/382 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0861 ,  G09G2320/0233 ,  H01L2933/0016 ,  H01L2933/0066

Abstract: A display device may include a substrate, pixels disposed on the substrate, each of the pixels including a first electrode, a second electrode, and a plurality of light emitting elements electrically connected between the first and the second electrodes, and a first oscillator disposed on the substrate and electrically connected to a first electrode of a first pixel of the pixels, the first oscillator including at least one transistor and at least one capacitor.

公开(公告)号：US12100689B2

公开(公告)日：2024-09-24

申请号：US17276776

申请日：2019-03-21

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jong Hyuk Kang ,  Hae Yun Choi ,  Han Su Kim ,  Eun A Yang ,  Hyun Min Cho ,  Keun Kyu Song ,  Jin Oh Kwag

IPC: H01L25/075 ,  B05C13/02 ,  H01L21/67 ,  H01L33/00 ,  H05K13/02 ,  H05K13/04

CPC classification number: H01L25/0753 ,  B05C13/02 ,  H01L21/67259 ,  H05K13/027 ,  H05K13/04

Abstract: An apparatus for manufacturing a light emitting display device includes a substrate transfer stage including a plurality of support plates arranged at an interval in a first direction, each of the plurality of support plates extending in a second direction; and at least one electric-field application module disposed on at least one side of the substrate transfer stage. The at least one electric-field application module includes a probe head including at least one probe pin; and a driver connected to the probe head to move the probe head at least up and down.

公开(公告)号：US12080830B2

公开(公告)日：2024-09-03

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

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

CPC classification number: H01L33/387 ,  H01L27/156 ,  H01L33/005 ,  H01L33/62 ,  H01L2933/0016 ,  H01L2933/0066

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.

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：US12046586B2

公开(公告)日：2024-07-23

申请号：US17269737

申请日：2019-02-20

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Tae Jin Kong ,  Dae Hyun Kim ,  Myeong Hee Kim ,  Veidhes Basrur ,  Je Won Yoo ,  Xinxing Li ,  Hee Keun Lee ,  Bek Hyun Lim ,  Hyun Min Cho ,  Chang Il Tae

IPC: H01L25/075 ,  B82B3/00 ,  H01L27/12 ,  H01L33/00 ,  H01L33/24 ,  H01L33/36 ,  H01L33/44 ,  H01L33/62 ,  G09G3/32

CPC classification number: H01L25/0753 ,  B82B3/0052 ,  H01L27/1214 ,  H01L33/0062 ,  H01L33/24 ,  H01L33/36 ,  H01L33/44 ,  H01L33/62 ,  G09G3/32 ,  G09G2300/0842 ,  H01L2933/0016 ,  H01L2933/0025

Abstract: A light emitting device includes first and second electrodes disposed on a substrate; an insulating layer disposed on the substrate and including a groove extending in a first direction intersecting with the first and the second electrodes, and first and second contact portions that expose areas of the first and the second electrodes; light emitting elements disposed in the groove between the first and the second electrodes, each including first and second ends electrically connected to the first and second electrodes, respectively; a first contact electrode electrically connected to the light emitting elements on the first ends, and electrically connected to the first electrode on the first contact portion; and a second contact electrode electrically connected to the light emitting elements on the second ends, and electrically connected to the second electrode on the second contact portion.

公开(公告)号：US12040318B2

公开(公告)日：2024-07-16

申请号：US17297346

申请日：2019-02-20

Applicant: Samsung Display Co., Ltd.

Inventor： Jong Hyuk Kang ,  Hyun Min Cho ,  Dae Hyun Kim ,  Hyun Deok Im

IPC: H01L23/00 ,  H01L25/16 ,  H01L33/24 ,  H01L33/38 ,  H01L33/62

CPC classification number: H01L25/167 ,  H01L24/24 ,  H01L24/82 ,  H01L33/24 ,  H01L33/38 ,  H01L33/62 ,  H01L2224/24147 ,  H01L2224/24991 ,  H01L2224/82007 ,  H01L2224/82101

Abstract: A display device may include: a substrate including a display area and a non-display area; and pixels provided on the display area, and each including sub-pixels each including an emission area and a non-emission area. Each sub-pixel may include a pixel circuit layer including at least one transistor, and a display element layer including at least one light emitting element configured to emit light and connected to the transistor. The display element layer may include: a first electrode and a second electrode spaced apart from each other with the light emitting element interposed therebetween; the light emitting element connected between the first and second electrodes; and a planarization layer provided on the pixel circuit layer, and coming into contact with at least a portion of each of opposite ends of the light emitting element. The planarization layer may overlap with each of the first electrode and the second electrode.

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：US11942567B2

公开(公告)日：2024-03-26

申请号：US17377266

申请日：2021-07-15

Applicant: Samsung Display Co. Ltd.

Inventor： Jung Hong Min ,  Dae Hyun Kim ,  Hyun Min Cho ,  Jong Hyuk Kang ,  Dong Uk Kim ,  Seung A Lee ,  Hyun Deok Im ,  Hyung Rae Cha

IPC: H01L33/00 ,  H01L33/30

CPC classification number: H01L33/0093 ,  H01L33/0066 ,  H01L33/30

Abstract: Provided is a method of manufacturing a light-emitting element, the method including positioning a substrate, forming a first separation layer, which includes a first sacrificial layer, an etching control layer on the first sacrificial layer, and a second sacrificial layer on the etching control layer, on the substrate, forming at least one first light-emitting element on the first separation layer, and separating the first light-emitting element from the substrate.

公开(公告)号：US11889730B2

公开(公告)日：2024-01-30

申请号：US17732797

申请日：2022-04-29

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Kyeong Su Ko ,  Joon Yong Park ,  Gyung Min Baek ,  Hyun Min Cho ,  Dae Won Choi

IPC: H10K59/13 ,  H10K59/131 ,  H10K50/81 ,  H10K50/82 ,  H10K71/00 ,  H10K59/12 ,  H10K102/10

CPC classification number: H10K59/131 ,  H10K50/81 ,  H10K50/82 ,  H10K71/00 ,  H10K59/1201 ,  H10K2102/103

Abstract: An organic light emitting diode display including: a substrate; a TFT on the substrate; a planarization layer on the TFT; a pixel electrode on the planarization layer, wherein the pixel electrode includes upper and lower layers including a transparent conductive oxide and an intermediate layer including silver; an etch stop layer on the pixel electrode, wherein an upper surface of the pixel electrode is exposed by the etch stop layer; a partition on the etch stop layer, wherein the upper surface of the pixel electrode is exposed by the partition; an organic emission layer on the upper surface of the pixel electrode where the upper surface of the pixel electrode is exposed by the etch stop layer and the partition; and a common electrode on the organic emission layer and the partition, wherein the etch stop layer covers an edge and a side surface of the pixel electrode.