公开(公告)号：US09995958B2

公开(公告)日：2018-06-12

申请号：US15499542

申请日：2017-04-27

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jae Byung Park ,  Sung Sik Yun ,  Jong Hyuk Kang ,  Hae Il Park ,  Hyun Min Cho

IPC: G02F1/1335 ,  G02F1/1333

CPC classification number: G02F1/133514 ,  G02F1/133377 ,  G02F1/133528 ,  G02F1/133617 ,  G02F2/02 ,  G02F2201/08 ,  G02F2202/02 ,  G02F2202/36 ,  G02F2203/055

Abstract: A wide viewing angle liquid crystal display includes color filters having a quantum dot and scattering particles and liquid crystal layer disposed in a microcavity, a distance between the color filter and the liquid crystal layer being sized to minimize display deterioration due to parallax.

公开(公告)号：US20170200747A1

公开(公告)日：2017-07-13

申请号：US15392888

申请日：2016-12-28

Applicant: Samsung Display Co., Ltd.

Inventor： Tae An Seo ,  Su Bin Bae ,  Yu-Gwang Jeong ,  Hyun Min Cho ,  Shin Il Choi ,  Jin Hwan Choi

IPC: H01L27/12 ,  H01L29/66 ,  H01L29/786

CPC classification number: H01L27/1225 ,  H01L27/124 ,  H01L27/1288 ,  H01L29/66969 ,  H01L29/7869

Abstract: A TFT array panel of a display device includes a first substrate, a first electrode disposed on the first substrate, a first insulating layer including a first hole, the first insulating layer disposed on the first electrode, a second insulating layer disposed on the first insulating layer and including a second hole corresponding to the first hole, and a capping layer including a first inner portion, the capping layer disposed on an inner lateral surface forming the second hole, where an end portion of the first inner portion disposed in the second hole is separated from the first electrode.

公开(公告)号：US12243969B2

公开(公告)日：2025-03-04

申请号：US17291398

申请日：2019-05-27

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Min Cho ,  Jung Hong Min ,  Dae Hyun Kim ,  Dong Uk Kim

IPC: H01L33/62 ,  H01L27/15 ,  H01L33/00 ,  H01L33/16 ,  H01L33/38

Abstract: A light emitting element structure may include at least one light emitting element which is disposed on a substrate and spaced apart from each other, and extends in a direction perpendicular to the substrate; an auxiliary layer which is disposed on the substrate, exposes at least a portion of the upper surface of the substrate, and surrounds the outer surface of the light emitting element; a current spreading layer which is disposed on the auxiliary layer and electrically contacts an end of the light emitting element; a first pad which is electrically connected to the end of the light emitting element, disposed on the current spreading layer, and does not to overlap the light emitting element; and a second pad which is electrically connected to another end of the light emitting element disposed on the upper surface of the exposed substrate and spaced apart from the auxiliary layer.

公开(公告)号：US12165576B2

公开(公告)日：2024-12-10

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

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：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.