公开(公告)号：US11812652B2

公开(公告)日：2023-11-07

申请号：US18095044

申请日：2023-01-10

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Won Sang Park ,  Seong Jun Lee

IPC: H10K59/40 ,  G06F3/041 ,  G06F3/044 ,  H10K50/80

CPC classification number: H10K59/40 ,  G06F3/0412 ,  G06F3/0446 ,  H10K50/868 ,  G06F2203/04112

Abstract: A display device includes a display unit comprising a plurality of light-emitting areas emitting light. A touch sensing unit is disposed on the display unit to sense a touch. A buffer part is disposed on the touch sensing unit to cushion an external impact. A metal pattern is disposed on the buffer part and has a mesh structure. The metal pattern includes a plurality of code patterns having a cut shape that encodes position information.

公开(公告)号：US11758793B2

公开(公告)日：2023-09-12

申请号：US16992801

申请日：2020-08-13

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yun Ho Kim ,  Keum Dong Jung ,  Jin Oh Kwag ,  Won Sang Park ,  Deok Hwa Woo ,  Bong Hyun You ,  Chul Kim ,  Seung Hyun Moon ,  Jun Hee Moon ,  Hee Chul Hwang

IPC: G06V40/13 ,  H10K59/65 ,  G06V40/12 ,  H10K59/12 ,  H01L27/146

CPC classification number: H10K59/65 ,  G06V40/1318 ,  G06V40/1388 ,  G06V40/1394 ,  H10K59/12 ,  H01L27/14623 ,  H01L27/14678

Abstract: Provided is a display device including a substrate including a fingerprint area. The fingerprint area includes a first area and a second area. A light-emitting element layer is disposed on the substrate. The light-emitting element layer includes light-emitting elements. A sensor layer is disposed on the substrate, the sensor layer including photosensors. The light-emitting elements include a first light-emitting element arranged in the first area and a second light-emitting element arranged in the second area. During a fingerprint sensing period, the first light-emitting element emits light and the second light-emitting element does not emit light.

公开(公告)号：US11755155B2

公开(公告)日：2023-09-12

申请号：US17821202

申请日：2022-08-22

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Gi Na Yoo ,  Ju Yeon Kim ,  Won Sang Park ,  Chang Woo Shim ,  Seong Jun Lee

IPC: G06F3/044 ,  H10K50/86 ,  H10K59/38 ,  H10K59/40

CPC classification number: G06F3/0441 ,  G06F3/0446 ,  H10K50/865 ,  H10K59/38 ,  H10K59/40 ,  G06F2203/04112

Abstract: A display device and a touch input system are provided, the display device comprising a display unit including a plurality of light emission areas; a plurality of touch electrodes disposed between the plurality of light emission areas to sense a touch input; at least one light shielding pattern formed by covering at least a portion of a front surface of at least one of the plurality of touch electrodes; and one of a first set of color filters comprising first to third colors or a second set of color filters comprising first to fourth colors, which are alternately disposed in the plurality of light emission areas, wherein the color filters of one of the first or second set of color filters are used as code patterns by including an infrared absorbing pigment.

公开(公告)号：US11747935B2

公开(公告)日：2023-09-05

申请号：US17646743

申请日：2022-01-03

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Ki Seo Kim ,  Jae-Kyoung Kim ,  Won Sang Park ,  Bong Hyun You

IPC: G06F3/041 ,  G06F3/044

CPC classification number: G06F3/0416 ,  G06F3/0443 ,  G06F3/0446 ,  G06F2203/04107

Abstract: A display apparatus includes a display panel configured to display an image and a touch antenna array disposed on the display panel. The touch antenna array may include a touch electrode, a touch wiring electrically connected to the touch electrode, an antenna electrode including a plurality of antenna elements, a feeder electrically connected to the antenna electrode, and a shielding electrode disposed between the touch wiring and the feeder.

公开(公告)号：US11683968B2

公开(公告)日：2023-06-20

申请号：US17484288

申请日：2021-09-24

Applicant: Samsung Display Co., Ltd.

Inventor： Jong Ho Hong ,  Won Il Choi ,  Hye Jin Joo ,  Won Sang Park ,  Mu Gyeom Kim ,  Man Sik Myeong ,  Hyo Yul Yoon

IPC: H10K59/35 ,  H10K77/10 ,  H01L29/08 ,  H01L27/32 ,  H01L51/00

CPC classification number: H01L27/3218 ,  H01L27/326 ,  H01L27/3223 ,  H01L27/3276 ,  H01L51/0097 ,  H01L29/08 ,  H01L2251/5338 ,  Y02E10/549

Abstract: A diode display includes a substrate having a first island and a second island spaced apart from each other, a first pixel disposed on the first island, and a second pixel disposed on the second island. The first pixel includes a first base layer, a first transistor on the first base layer, a first light emitting element electrically connected to the first transistor, and a first encapsulation layer covering the first light emitting element. The second pixel includes a second base layer, a second transistor on the second base layer, a second light emitting element connected to the second transistor, and a second encapsulation layer covering the second light emitting element.

公开(公告)号：US11598687B2

公开(公告)日：2023-03-07

申请号：US16178469

申请日：2018-11-01

Applicant: Samsung Display Co., Ltd. ,  Research & Business Foundation SUNGKYUNKWAN UNIVERSITY

Inventor： Jae Ik Lim ,  Won Sang Park ,  Hye Yong Chu ,  Do-Il Kim ,  Nae-Eung Lee ,  Han-Byeol Lee

IPC: G01L1/14 ,  G01L19/14 ,  G01L1/16

Abstract: A pressure sensor includes: a base substrate including an embossed pattern; a first conductive layer disposed on the base substrate; a pressure sensitive material layer disposed on the first conductive layer such that its electrical characteristic is varied corresponding to a strain applied thereto, the pressure sensitive material layer including a dielectric and nanoparticles dispersed in the dielectric; and a second conductive layer disposed on the pressure sensitive material layer, wherein the dielectric and the nanoparticle include materials having pyroelectricities of polarities opposite to each other.

公开(公告)号：US11552137B2

公开(公告)日：2023-01-10

申请号：US17504425

申请日：2021-10-18

Applicant: Samsung Display Co., Ltd.

Inventor： Ji Hun Ryu ,  Eun Jin Sung ,  Yun Ho Kim ,  Il Nam Kim ,  Won Sang Park

IPC: H01L27/00 ,  H01L27/32 ,  H01L51/52 ,  G09G3/3275 ,  G09G3/3266 ,  G06V40/13

Abstract: A display device includes a light sensing array layer (LSAL), a substrate, a selective light transmission layer (SLTL), a pixel circuit layer (PCL), a display element layer (DEL), and pixels. The LSAL includes an optical sensor to sense incident light. The substrate is on the LSAL and includes a display area (DA) including pixel areas (PAs), and a non-DA adjacent to the DA. The SLTL is disposed on the substrate and includes through-holes to form a path of light onto the optical sensor, and a light-blocking conductive pattern (LBCP) between the through-holes. The PCL is disposed on the SLTL and includes a conductive layer and an insulation layer. The DEL is disposed on the PCL and emits light. Each pixel includes a pixel circuit disposed on the PCL, and a light emitting element on the DEL in a corresponding pixel area. The LBCP is electrically connected to the conductive layer.

公开(公告)号：US11367771B2

公开(公告)日：2022-06-21

申请号：US16989672

申请日：2020-08-10

Applicant: Samsung Display Co., Ltd.

Inventor： Seong Ryong Lee ,  Jae Kyoung Kim ,  Won Sang Park ,  Jong In Baek ,  Eun Jin Sung ,  Jong Hyun Lee

IPC: H01L27/32 ,  H01L51/56 ,  H01L51/52

Abstract: A display device of embodiments of the present disclosure may include a substrate including a display area including a plurality of pixel areas, and a non-display area adjacent the display area, a circuit element layer on the substrate, and including a plurality of non-transmission areas in which a plurality of signal lines for transferring signals for driving a pixel are positioned, and a plurality of transmission areas for transmitting light and located between the signal lines in a plan view, a light emitting element layer on the circuit element layer, and including light emitting elements, and a light blocking layer between the substrate and the circuit element layer, and including a plurality of first opening portions overlapping the non-transmission area, and a plurality of second opening portions overlapping the transmission area, wherein one of the non-transmission areas and the transmission area are in each of the pixel areas.

公开(公告)号：US11314356B2

公开(公告)日：2022-04-26

申请号：US17149259

申请日：2021-01-14

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Il Nam Kim ,  Byeong Hee Won ,  Kyung Tea Park ,  Won Sang Park

IPC: G06F3/041 ,  G06F3/044 ,  H01L27/32

Abstract: A touch sensor includes: a substrate that includes active and non-active regions; driving cells disposed on the active region that extend in a first direction; sensing cells disposed on the active region that extend in a second direction that intersects the first direction; a first connection pattern that connects adjacent driving cells; a second connection pattern that connects adjacent sensing cells; and a touch driver disposed on the non-active region that includes thin film transistors that transmit a driving signal to each of the driving cells. The thin film transistor includes: a semiconductor layer; a gate electrode disposed on the semiconductor layer with a first insulating layer interposed therebetween; and source and drain electrodes connected to the semiconductor layer and spaced apart from each other. The first connection pattern is disposed in the same layer as at least one of the source or drain electrodes or the gate electrode.

公开(公告)号：US11152434B2

公开(公告)日：2021-10-19

申请号：US16864587

申请日：2020-05-01

Applicant: Samsung Display Co., Ltd.

Inventor： Jong Ho Hong ,  Won Il Choi ,  Hye Jin Joo ,  Won Sang Park ,  Mu Gyeom Kim ,  Man Sik Myeong ,  Hyo Yul Yoon

IPC: H01L27/32 ,  H01L51/00 ,  H01L29/08

Abstract: A diode display includes a substrate having a first island and a second island spaced apart from each other, a first pixel disposed on the first island, and a second pixel disposed on the second island. The first pixel includes a first base layer, a first transistor on the first base layer, a first light emitting element electrically connected to the first transistor, and a first encapsulation layer covering the first light emitting element. The second pixel includes a second base layer, a second transistor on the second base layer, a second light emitting element connected to the second transistor, and a second encapsulation layer covering the second light emitting element.