公开(公告)号：US20190305065A1

公开(公告)日：2019-10-03

申请号：US16369615

申请日：2019-03-29

Applicant: Samsung Display Co., Ltd.

Inventor： Kiwook KIM ,  Chul kyu KANG ,  Wonkyu KWAK ,  Kwangmin KIM ,  Joongsoo MOON

IPC: H01L27/32 ,  H01L27/12 ,  G09G3/3266 ,  G09G3/3291

Abstract: A display apparatus includes a substrate including a display area for displaying an image, a first thin film transistor in the display area and including a first semiconductor layer having a silicon semiconductor and a first gate electrode insulated from the first semiconductor layer, a first interlayer insulating layer covering the first gate electrode and having a first contact hole extending therethrough, and a second thin film transistor on the first interlayer insulating layer and including a second semiconductor layer having an oxide semiconductor and a second gate electrode insulated from the second semiconductor layer. A portion of the second semiconductor layer extends into a first contact hole and is electrically connected to the first semiconductor layer.

公开(公告)号：US20180076102A1

公开(公告)日：2018-03-15

申请号：US15693567

申请日：2017-09-01

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jihyun KA ,  Wonkyu KWAK ,  Hansung BAE

IPC: H01L21/66 ,  H01L27/12 ,  H01L29/24 ,  H01L29/786

CPC classification number: H01L22/34 ,  G02F1/1368 ,  G02F2001/136254 ,  G02F2201/123 ,  G02F2202/105 ,  H01L27/1225 ,  H01L27/124 ,  H01L27/1251 ,  H01L27/3223 ,  H01L27/3244 ,  H01L27/3262 ,  H01L29/24 ,  H01L29/41733 ,  H01L29/78648 ,  H01L29/78672 ,  H01L29/7869 ,  H01L29/78696

Abstract: A display device includes a pixel connected to a data line, a data pad connected to the data line, and a first test area. The first test area includes a test control line transmitting a test control signal, a test signal line transmitting a test signal, and a first switch connected to the data pad. The first switch includes a gate electrode connected to the test control line, first and second semiconductor layers overlapping the gate electrode, a source electrode connected to the first and second semiconductor layers, and a drain electrode spaced from the source electrode and connected to the first and second semiconductor layers. The source electrode and the drain electrode are connected to the test signal line and data pad, respectively. One of the first or second semiconductor layers includes an oxide semiconductor and the other of the first or second semiconductor layer includes a silicon-based semiconductor.

公开(公告)号：US20250081778A1

公开(公告)日：2025-03-06

申请号：US18779560

申请日：2024-07-22

Applicant: Samsung Display Co., LTD.

Inventor： Jongsik SHIM ,  Wonkyu KWAK ,  Chulkyu KANG ,  Minjoo KIM ,  Sujin KIM ,  Kimyeong EOM ,  Seoni JEONG

IPC: H10K59/131 ,  H10K59/121

Abstract: A display apparatus includes: a data line connected to a pixel arranged in a display area, wherein the data line extends in a first direction; a shielding line disposed over the data line in the display area, extending in the first direction, and overlapping the data line in a plan view; and a first voltage line connected to the pixel, extending in a second direction perpendicular to the first direction, disposed under the data line, and overlapping the data line in the plan view.

公开(公告)号：US20240431167A1

公开(公告)日：2024-12-26

申请号：US18827137

申请日：2024-09-06

Applicant: Samsung Display Co., Ltd.

Inventor： Hyunchol BANG ,  Wonkyu KWAK ,  Sunghwan KIM

IPC: H10K59/131 ,  H10K59/122 ,  H10K59/124 ,  H10K59/126 ,  H10K59/35

Abstract: A display device includes a first line group including first lines extending in a first direction on a substrate, a second line group including second lines extending in a second direction on the substrate, the second direction intersecting the first direction, a pixel circuit disposed at a region where the first line group intersects the second line group, a pixel overlapping the pixel circuit, a transmissive area surrounded by the first line group and the second line group, and a metal layer disposed between the substrate and the pixel circuit, the metal layer including an opening corresponding to the transmissive area.

公开(公告)号：US20230345781A1

公开(公告)日：2023-10-26

申请号：US18332246

申请日：2023-06-09

Applicant: Samsung Display Co., Ltd.

Inventor： Junghoon SHIM ,  Wonkyu KWAK ,  Sunghwan KIM

IPC: H10K59/131 ,  H10K59/65 ,  H10K59/121

CPC classification number: H10K59/131 ,  H10K59/65 ,  H10K59/1213

Abstract: A display panel includes a substrate including a first area including a transmission area, a second area, and a third area, the second area and the third area being adjacent to the first area; a first pixel group and a second pixel group each disposed in the first area, the transmission area being disposed between the first pixel group and the second pixel group; first connection lines extending in a first direction and electrically connected to first pixels of the first pixel group; second connection lines extending in the first direction and electrically connected to second pixels of the second pixel group; and third connection lines extending in a second direction and disposed in the third area, the third connection lines being electrically connected to the first connection lines and the second connection lines.

公开(公告)号：US20230217751A1

公开(公告)日：2023-07-06

申请号：US17994677

申请日：2022-11-28

Applicant: Samsung Display Co., Ltd.

Inventor： Sunghwan KIM ,  Wonkyu KWAK ,  Changsoo PYON

IPC: H01L27/32

CPC classification number: H01L27/3276 ,  H01L27/3258

Abstract: A display apparatus includes a first conductive layer and a first conductive line arranged in a first pixel area; a second conductive layer and a second conductive line arranged in a second pixel area; a first pixel electrode in which a first emission area is defined; a second pixel electrode in which a second emission area is defined. A first hole and a second hole are defined in a first insulating layer. The first conductive layer and the first conductive line electrically contact each other in the first hole. The second conductive layer and the second conductive line electrically contact each other in the second hole. The first emission area overlaps the first hole in a plan view. The second emission area does not overlap the second hole in a plan view.

公开(公告)号：US20230009817A1

公开(公告)日：2023-01-12

申请号：US17951547

申请日：2022-09-23

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Han-Sung BAE ,  Wonkyu KWAK ,  Cheolgeun AN

IPC: H05K1/11 ,  H01L23/00 ,  G02F1/1345

Abstract: Provided is an electronic component including a pad region including a plurality of pads extending along corresponding extension lines and arranged in a first direction, and a signal wire configured to receive a driving signal from the pad region, wherein the plurality of pads include a plurality of first pads arranged continuously and a plurality of second pads arranged continuously, and extension lines of the plurality of first pads substantially converge into a first point and extension lines of the plurality of second pads substantially converge into a second point different from the first point.

公开(公告)号：US20210343234A1

公开(公告)日：2021-11-04

申请号：US17115256

申请日：2020-12-08

Applicant: Samsung Display Co., Ltd.

Inventor： Youngsoo YOON ,  Wonkyu KWAK ,  Jihyun KA ,  Jisu NA ,  Kyonghwan OH ,  Yunkyeong IN ,  Haijung IN ,  Hyunji CHA

IPC: G09G3/3225 ,  H01L27/32 ,  G09G3/3266 ,  G09G3/3275

Abstract: A pixel includes an organic light-emitting diode; a first transistor that receives a signal in response to a voltage applied to a first node and controls an amount of current flowing from a second node electrically connected to a power supply voltage line to the organic light-emitting diode; a fourth transistor electrically connected between the first node and a first initializing voltage line; and a bias capacitor electrically connected between the second node and a light-emission control line, the bias capacitor including a first capacitor electrode and a second capacitor electrode. The first capacitor electrode of the bias capacitor and a semiconductor layer of the first transistor are disposed on a same layer, and the second capacitor electrode of the bias capacitor and a second portion included in a gate electrode of the fourth transistor are disposed on a same layer.

公开(公告)号：US20210327974A1

公开(公告)日：2021-10-21

申请号：US17363849

申请日：2021-06-30

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Changkyu JIN ,  Wonkyu KWAK ,  Kwangmin KIM ,  Kiwook KIM ,  Dongsoo KIM ,  Joongsoo MOON ,  Hyunae PARK ,  Jieun LEE

IPC: H01L27/32 ,  G02F1/1345 ,  H01L27/12 ,  H01L51/52 ,  H01L51/00

Abstract: A display apparatus includes a substrate, a display unit, a first wire unit, and a dummy unit. The substrate includes a first area, a second area, and a bending area. The bending area is disposed between a first area and a second area. The display unit is disposed in the first area. The first wire unit is electrically connected to the display unit and includes a plurality of first wires disposed on the substrate over the first area, the bending area, and the second area. The plurality of first wires include a plurality of holes disposed in the bending area and spaced apart from each other by a first pitch. The dummy wire unit includes a plurality of dummy wires disposed in the bending area.

公开(公告)号：US20210193781A1

公开(公告)日：2021-06-24

申请号：US17115931

申请日：2020-12-09

Applicant: Samsung Display Co., Ltd.

Inventor： Junghoon SHIM ,  Wonkyu KWAK ,  Sunghwan KIM

IPC: H01L27/32

Abstract: A display panel includes a substrate including a first area including a transmission area, a second area, and a third area, the second area and the third area being adjacent to the first area; a first pixel group and a second pixel group each disposed in the first area, the transmission area being disposed between the first pixel group and the second pixel group; first connection lines extending in a first direction and electrically connected to first pixels of the first pixel group; second connection lines extending in the first direction and electrically connected to second pixels of the second pixel group; and third connection lines extending in a second direction and disposed in the third area, the third connection lines being electrically connected to the first connection lines and the second connection lines.