公开(公告)号：US12165563B2

公开(公告)日：2024-12-10

申请号：US17944044

申请日：2022-09-13

Applicant: Samsung Display Co., LTD.

Inventor： Gyungsoon Park ,  Sunhwa Lee ,  Jaeyong Jang

IPC: G09G3/20 ,  G09G3/3266 ,  G09G3/3225 ,  G09G3/3275 ,  G09G3/36 ,  G11C19/28

Abstract: A scan driver includes stages including an input block to change a first node voltage to a gate on voltage based on an input signal, a second node control block to control second node voltage based on a first clock signal and the first node voltage, a scan output block to output a second clock signal as a scan signal based on the first node voltage, and to output a first gate off voltage as the scan signal based on the second node voltage, a carry output block to output the second clock signal as a carry signal based on the first node voltage, and to output a second gate off voltage different from the first gate off voltage as the carry signal based on the second node voltage, and a first node control block to transfer the carry signal to the first node based on a next carry signal.

公开(公告)号：US20240365585A1

公开(公告)日：2024-10-31

申请号：US18764444

申请日：2024-07-05

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yujin Lee ,  Sunhwa Lee ,  Heejean Park ,  Jaeyong Jang

IPC: H10K59/121 ,  H10K59/131

CPC classification number: H10K59/121 ,  H10K59/131

Abstract: A display panel includes a substrate including a corner display area including a strip portion between cut portions; and corner pixels in the strip portion and corner pixel circuits which drives the corner pixels, wherein each of the corner pixels includes a first sub-pixel, a second sub-pixel, and a third sub-pixel, and each of the corner pixel circuits includes a first pixel circuit which drives the first sub-pixel, a second pixel circuit which drives the second sub-pixel, and a third pixel circuit which drives the third sub-pixel, and the first pixel circuit, the second pixel circuit, and the third pixel circuit included in an n-th corner pixel circuit in a first direction that is a lengthwise direction of the strip portion are arranged differently from the first pixel circuit, the second pixel circuit, and the third pixel circuit in an (n+1)-th corner pixel circuit.

公开(公告)号：US11830439B2

公开(公告)日：2023-11-28

申请号：US18089790

申请日：2022-12-28

Applicant: Samsung Display Co., Ltd.

Inventor： Gyungsoon Park ,  Sunhwa Lee ,  Hyunjoon Kim ,  Jaeyong Jang ,  Kyunghoon Chung

IPC: G09G3/3266 ,  H10K59/121 ,  H10K59/123 ,  H10K59/131 ,  G09G3/36

CPC classification number: G09G3/3266 ,  G09G3/3677 ,  H10K59/123 ,  H10K59/1213 ,  H10K59/1216 ,  H10K59/131 ,  G09G2310/0202

Abstract: A display apparatus includes a pixel part including a plurality of pixels, and a gate driving circuit. Each of the plurality of pixels is driven in one first scan period and one or more second scan periods during one frame in a driving mode driven at a first driving frequency lower than a maximum driving frequency.

公开(公告)号：US11423684B2

公开(公告)日：2022-08-23

申请号：US16838689

申请日：2020-04-02

Applicant: Samsung Display Co., Ltd.

Inventor： Chul Kim ,  Keumdong Jung ,  KyungTea Park ,  Sunhwa Lee ,  Mukyung Jeon ,  Sanghyun Heo

IPC: G06V40/13 ,  G06F3/041 ,  G06V10/141 ,  G06V40/12

Abstract: A display device relating to a method of operating thereof includes: a display panel having a touch sensing unit to sense an external touch and a display unit including a plurality of pixels; a fingerprint sensing panel to sense a fingerprint disposed on one surface of the display unit, the fingerprint sensing panel having a plurality of fingerprint sensing pixels respectively connected to a plurality of fingerprint scan lines and a plurality of fingerprint sensing lines, and a fingerprint scan driving circuit to drive one or more fingerprint scan lines included in a sensing area; and a read-out circuit to output a selection signal for selecting a sensing area of the fingerprint sensing panel.

公开(公告)号：US10957264B2

公开(公告)日：2021-03-23

申请号：US16132086

申请日：2018-09-14

Applicant: Samsung Display Co., Ltd.

Inventor： Sunhwa Lee ,  Kwang-chul Jung ,  Sang-Uk Lim

IPC: G09G3/36 ,  G02F1/1343 ,  G02F1/1362 ,  G09G5/02 ,  G09G5/18

Abstract: A display apparatus with improved aperture ratio and light transmittance is presented. The apparatus has a pixel group that includes a first pixel including first and second sub-regions, a second pixel including third and fourth sub-regions, and a third pixel including fifth and sixth sub-regions. The first, second, and third pixels are sequentially arranged in a first direction and at least two sub-regions of the first, third, and fifth sub-regions have different widths in the first direction. The second, fourth, and sixth sub-regions are sequentially arranged in the first direction, and at least one sub-region of the second, fourth, and sixth sub-regions expands toward an adjacent sub-region in the first direction and has a width greater than a width of the other sub-regions of the second, fourth, and sixth sub-regions in the same pixel group.

公开(公告)号：US20240324288A1

公开(公告)日：2024-09-26

申请号：US18583109

申请日：2024-02-21

Applicant: Samsung Display Co., Ltd.

Inventor： Sunhwa Lee ,  Junhyun Park ,  Hyeongseok Kim ,  Heejean Park ,  Hanbit Kim

IPC: H10K59/121 ,  H10K59/124 ,  H10K59/131

CPC classification number: H10K59/1213 ,  H10K59/1216 ,  H10K59/131 ,  H10K59/124

Abstract: A display apparatus includes a first thin-film transistor in a display area, and including a first semiconductor layer and a first gate electrode, the first semiconductor layer including a silicon semiconductor, a second thin-film transistor on the first thin-film transistor, and including a second semiconductor layer and a second gate electrode, the second semiconductor layer including an oxide semiconductor, a third thin-film transistor on the first thin-film transistor, and including a third semiconductor layer and a third gate electrode, the third semiconductor layer including an oxide semiconductor, a bridge metal layer between the first thin-film transistor and the second thin-film transistor and electrically connected to the first semiconductor layer through a first contact hole, and a first conductive pattern layer on the second gate electrode of the second thin-film transistor, and the bridge metal layer is electrically connected to the first conductive pattern layer through a second contact hole.

公开(公告)号：US20240321183A1

公开(公告)日：2024-09-26

申请号：US18610106

申请日：2024-03-19

Applicant: Samsung Display Co., Ltd.

Inventor： Junhyun Park ,  Hyeongseok Kim ,  Heejean Park ,  Sunhwa Lee ,  Mukyung Jeon

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2300/0426 ,  G09G2300/0842 ,  G09G2310/0267 ,  G09G2320/0247

Abstract: A display apparatus includes: a plurality of light-emitting diodes in a display area; a gate driver in a non-display area around the display area, the gate driver including a plurality of stages; a conductive line in the non-display area; an insulating layer on the conductive line; and a connection line on the insulating layer and electrically connecting the conductive line with a transistor of a first stage from among the plurality of stages.

公开(公告)号：US12041831B2

公开(公告)日：2024-07-16

申请号：US18446429

申请日：2023-08-08

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sunhwa Lee ,  Hyeongseok Kim ,  Youngwan Seo ,  Gyungsoon Park ,  Mukyung Jeon ,  Kyunghoon Chung

IPC: H10K59/131 ,  H10K59/121 ,  H10K59/122 ,  H10K59/88 ,  H10K59/35

CPC classification number: H10K59/131 ,  H10K59/121 ,  H10K59/122 ,  H10K59/88 ,  H10K59/35

Abstract: A display apparatus having a display area enlarged to display an image in an area where a component is arranged includes a substrate including a first area having a transmission portion, and a second area surrounding the first area, a first data line extending in a first direction on the second area, and including a first line and a second line spaced from each other with the first area therebetween, a connection line on the second area, adjacent to, and bypassing, the first area, and including an end connected to the first line, and another end connected to the second line, a pixel circuit on the second area, including a thin-film transistor, and a node connection line electrically connected to the thin-film transistor, and a first pixel electrode above the pixel circuit, wherein the connection line is spaced from the node connection line.

公开(公告)号：US11889734B2

公开(公告)日：2024-01-30

申请号：US17862337

申请日：2022-07-11

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sunhwa Lee ,  Mukyung Jeon ,  Jaehyung Cho ,  Kihyun Pyo

IPC: H10K59/40 ,  G06F3/041 ,  G06F3/044 ,  H10K59/131 ,  G06F1/16

CPC classification number: H10K59/40 ,  G06F1/1652 ,  G06F3/044 ,  G06F3/0443 ,  G06F3/04164 ,  H10K59/131 ,  G06F1/1643 ,  G06F3/041 ,  G06F3/0412 ,  G06F3/0416 ,  G06F3/0446 ,  G06F2203/04102 ,  G06F2203/04111 ,  G06F2203/04112

Abstract: A display device includes a display panel and an input sensing circuit. The input sensing circuit includes a plurality of sensors and signal lines electrically connected to each of the plurality of sensors. Each of the plurality of signal lines includes a lower line and an upper line overlapping the lower line, and the lower line and the upper line are electrically connected in a plurality of contact areas. A long signal line among the plurality of signal lines has more contact areas than a short signal line.

公开(公告)号：US11711957B2

公开(公告)日：2023-07-25

申请号：US17694376

申请日：2022-03-14

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sunhwa Lee ,  Kihyun Pyo ,  Mukyung Jeon

IPC: H10K59/131 ,  G09G3/3258 ,  H10K50/842 ,  H10K59/40 ,  H10K59/121 ,  H10K102/00

CPC classification number: H10K59/131 ,  G09G3/3258 ,  H10K50/8426 ,  H10K59/1213 ,  H10K59/40 ,  H10K2102/00

Abstract: A display device includes a base layer including an active area and a peripheral area outside the active area, a circuit element layer including a pixel circuit in the active area and a driving voltage wiring located in the peripheral area to supply a driving voltage to the pixel circuit. A light emitting element layer including a plurality of light emitting elements on the circuit element layer, a thin film sealing layer to cover the light emitting element layer, and an input sensing layer on the thin film sealing layer and including a sensing electrode and a sensing signal wiring part connected to the sensing electrode. The circuit element layer includes a connection wiring part overlapping the driving voltage wiring in the peripheral area and contacts the sensing signal wiring part. The connection wiring part is at a different layer from the driving voltage wiring.