公开(公告)号：US12170309B2

公开(公告)日：2024-12-17

申请号：US17765296

申请日：2020-06-05

Applicant: Samsung Display Co., LTD.

Inventor： Won Jun Lee ,  Chol Ho Kim ,  Hong Bo Kim

IPC: H01L27/15 ,  H01L33/00 ,  H01L33/24 ,  H01L33/44

Abstract: A display device comprises a display area, a non-display area surrounding the display area, pixels disposed in the display area of the substrate, each of the pixels including a first electrode, a second electrode, and light-emitting elements electrically connected to the first electrode and the second electrode, and a first voltage wiring disposed in the display area and the non-display area, the first voltage wiring electrically connected to at least some of the pixels. The first voltage wiring includes a first separation wiring disposed in the non-display area, and a second separation wiring disposed in the non-display area and spaced apart from the first separation wiring.

公开(公告)号：US12236853B2

公开(公告)日：2025-02-25

申请号：US18457897

申请日：2023-08-29

Applicant: Samsung Display Co., LTD.

Inventor： Won Jun Lee ,  Yong Bin Kim ,  Chol Ho Kim

IPC: G09G5/10 ,  G09G3/20 ,  G09G3/32 ,  H01L25/16

Abstract: A pixel includes a first transistor generating current from a first power source line to a second power source line through a light-emitting element, a second transistor between a third power source line and a gate electrode of the first transistor, a third transistor between a data line and a gate electrode of the second transistor and controlled by a first signal, a fourth transistor between a fourth power source line and a first node and controlled by a second signal, a first capacitor between the gate electrode of the first transistor and the first node, and a second capacitor between the gate electrode of the second transistor and a sweep voltage line providing a sweep voltage that linearly changes from a first voltage level to a second voltage level, and nonlinearly changes from the second voltage level to a third voltage level when the third transistor is on.

公开(公告)号：US11423827B2

公开(公告)日：2022-08-23

申请号：US16439314

申请日：2019-06-12

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hong Bo Kim ,  Won Jun Lee ,  Yoon Jung Chai ,  Chol Ho Kim ,  Hyo Chul Lee

IPC: G09G3/32 ,  H01L27/32

Abstract: A display device includes: a substrate including a display region including a plurality of pixel regions, and a non-display region at a periphery of the display region; a pixel circuit layer including a plurality of circuit elements in the display region; a display element layer including a plurality of light emitting devices in the display region on the pixel circuit layer; and first and second alignment lines in the non-display region, the first and second alignment lines each having a multi-layered structure. Each of the first and second alignment lines includes: a main line in a same layer as at least one electrode in the display element layer; and at least one sub-line electrically connected to the main line, the at least one sub-line in a same layer as at least one electrode in the pixel circuit layer.

公开(公告)号：US10670900B2

公开(公告)日：2020-06-02

申请号：US15926950

申请日：2018-03-20

Applicant: Samsung Display Co., Ltd.

Inventor： Won Jun Lee ,  Doo Hwan You ,  Young Goo Song ,  Youn Hak Jeong

IPC: G02F1/1333 ,  G02F1/1337 ,  G02F1/1343 ,  G02F1/1339 ,  H01L27/12

Abstract: A liquid-crystal display device includes: a substrate on which a plurality of pixels is defined, wherein each of the pixels includes an active area where transmittance of light is controlled; an organic layer disposed on the substrate; and a pixel electrode disposed on the organic layer. The active area comprises a first area, a second area and a third area, the second and third areas are connected to the first area on both sides thereof, respectively, when viewed from a top, and the organic layer is disposed only in the first area.

公开(公告)号：US11424308B2

公开(公告)日：2022-08-23

申请号：US16261385

申请日：2019-01-29

Applicant: Samsung Display Co., Ltd.

Inventor： Won Jun Lee

IPC: H01L27/32 ,  H01L51/56

Abstract: A display device includes: first pixels which include a first pixel branch line extending in a first direction at one side portion and a first common branch line extending in the first direction at the other side portion which is opposite to the one side portion; second pixels which include a second common branch line extending in the first direction at the one side portion and a second pixel branch line extending in the first direction at the other side portion which is opposite to the one side portion; a first luminous element between the first pixel branch line and the first common branch line; and a second luminous element between the second common branch line and the second pixel branch line, wherein the first pixel and the second pixel are disposed in a second direction which intersects the first direction.

公开(公告)号：US10566323B2

公开(公告)日：2020-02-18

申请号：US15798921

申请日：2017-10-31

Applicant: Samsung Display Co., Ltd.

Inventor： Jee Hoon Han ,  Won Jun Lee ,  Kyung Suk Jung ,  Yong Tae Cho ,  O Sung Seo ,  Yun Seok Lee

IPC: H01L27/02 ,  H01L27/12 ,  H01L29/417 ,  H01L29/49 ,  G09G3/36 ,  G02F1/1362 ,  G02F1/1335 ,  G02F1/1368

Abstract: A scan driver has a plurality of stages configured to supply a scan signal to scan lines. The plurality of stages include a stage coupled to a scan line of the scan lines. The stage includes a first transistor including a gate electrode, a drain electrode and a source electrode and is configured to output the scan signal to the scan line; a second transistor provided on a side of the first transistor and connected to the drain electrode; a third transistor provided on the side of the first transistor and connected to the source electrode; a capacitor provided between the scan line and the first transistor; a first dummy transistor provided between the first transistor and the capacitor and connected to the capacitor; and a second dummy transistor provided between the first transistor and the second transistor and connected to both the first transistor and the second transistor.

公开(公告)号：US10529284B2

公开(公告)日：2020-01-07

申请号：US15851618

申请日：2017-12-21

Applicant: Samsung Display Co., Ltd.

Inventor： Gun Woo Yang ,  Gi Chang Lee ,  Won Jun Lee ,  Won Gyun Kim

IPC: G09G3/3233 ,  G09G3/3266 ,  G09G3/3275 ,  H01L27/32 ,  H01L27/12

Abstract: A pixel capable of improving display quality may include an organic light emitting diode, a first transistor configured to control, in response to a voltage of a first node, current flowing from a first driving power source to a second driving power source via the organic light emitting diode, a second transistor coupled between the first node and a second electrode of the first transistor, and configured to be turned on when a scan signal is supplied to a scan line, a storage capacitor coupled between an initialization power source and the first node, a first capacitor coupled between the second electrode of the first transistor and a data line, and a second capacitor coupled between the first node and the second electrode of the first transistor. A display including such pixels also is disclosed.

公开(公告)号：US12080238B2

公开(公告)日：2024-09-03

申请号：US18223459

申请日：2023-07-18

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yoon Jung Chai ,  Won Jun Lee ,  Chol Ho Kim ,  Sung Hoon Lim ,  Yoo Seok Jang

IPC: G09G3/3233 ,  G09G3/20 ,  G09G3/3266

CPC classification number: G09G3/3233 ,  G09G3/3266 ,  G09G3/2007 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2310/0294 ,  G09G2310/08 ,  G09G2320/0252

Abstract: A display device includes: active stages each include a scan output circuit outputting a scan clock signal to a first output terminal and a carry output circuit outputting a carry clock signal to a second output terminal, when a voltage of a first node is at a logic high level. The scan output circuit and carry output circuit output a scan signal of a turn-off level to the first output terminal when a voltage of a second node or a carry signal is at a logic high level. An interval between pulses of the carry clock signal generated during one frame period is the same, and at least two of intervals between pulses of the scan clock signal generated during the one frame period are different from each other.

公开(公告)号：US11751454B2

公开(公告)日：2023-09-05

申请号：US17821278

申请日：2022-08-22

Applicant: Samsung Display Co., Ltd.

Inventor： Won Jun Lee

IPC: H10K59/131 ,  H10K71/00 ,  H10K59/12 ,  H10K102/00

CPC classification number: H10K59/131 ,  H10K71/00 ,  H10K59/1201 ,  H10K2102/341

Abstract: A display device includes: first pixels which include a first pixel branch line extending in a first direction at one side portion and a first common branch line extending in the first direction at the other side portion which is opposite to the one side portion; second pixels which include a second common branch line extending in the first direction at the one side portion and a second pixel branch line extending in the first direction at the other side portion which is opposite to the one side portion; a first luminous element between the first pixel branch line and the first common branch line; and a second luminous element between the second common branch line and the second pixel branch line, wherein the first pixel and the second pixel are disposed in a second direction which intersects the first direction.

公开(公告)号：US11114500B2

公开(公告)日：2021-09-07

申请号：US16560359

申请日：2019-09-04

Applicant: Samsung Display Co., Ltd.

Inventor： Won Jun Lee ,  Hyo Chul Lee

IPC: H01L27/15 ,  H01L33/36 ,  H01L27/12 ,  H01L25/16 ,  G09G3/32 ,  H01L33/62 ,  H01L33/44

Abstract: A display device includes a substrate including a display area having a plurality of pixel areas and a non-display area located around the display area; a circuit element layer including a circuit element in each of the pixel areas and a reference voltage wiring in the non-display area, the reference voltage wiring being electrically coupled to the circuit element; and a display element layer including a first pixel electrode on the circuit element layer in each of the pixel areas, a second pixel electrode located opposite to the first pixel electrode, a plurality of light emitting elements between the first pixel electrode and the second pixel electrode, and a first wiring on the circuit element layer in the non-display area, wherein the first wiring is directly coupled to the reference voltage wiring in the non-display area.