公开(公告)号：US20220189402A1

公开(公告)日：2022-06-16

申请号：US17684188

申请日：2022-03-01

Applicant: Samsung Display Co., Ltd.

Inventor： SEONG MIN WANG ,  JIHYE KONG ,  YONGHO YANG ,  JEONG-SOO LEE

IPC: G09G3/3233 ,  G09G3/20 ,  G09G3/3266 ,  G09G3/3291

Abstract: A pixel circuit includes a light-emitting element, a first transistor, a second transistor operating based on a first gate signal, a third transistor operating based on a second gate signal, a fourth transistor operating based on an initialization control signal, a fifth transistor operating based on an emission control signal, a sixth transistor operating based on the emission control signal, a seventh transistor, of which one terminal is connected to the light-emitting element, operating based on a bias control signal, an eighth transistor, of which one terminal is connected to the driving transistor, operating based on the bias control signal, a storage capacitor, and the light-emitting element. The circuit performs a display-scan operation where a driving time of a panel driving frame is a predetermined duration, and performs a display-scan operation and a self-scan operation where the driving time is longer than the predetermined duration.

公开(公告)号：US20220216435A1

公开(公告)日：2022-07-07

申请号：US17656016

申请日：2022-03-23

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： SEONG MIN WANG ,  BEOHMROCK CHOI ,  YONGHO YANG

IPC: H01L51/00 ,  H01L27/32

Abstract: A display device includes a substrate, a thin film transistor disposed on the substrate, and a display element electrically connected to the thin film transistor. The substrate includes a first substrate layer, a second substrate layer disposed on the first substrate layer, a first barrier layer disposed between the first substrate layer and the second substrate layer, and a first ultraviolet light blocking layer disposed between the first substrate layer and the second substrate layer.

公开(公告)号：US20240420636A1

公开(公告)日：2024-12-19

申请号：US18815279

申请日：2024-08-26

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： YOUNG-IN HWANG ,  SUNG HO KIM ,  YONG HO YANG ,  SEONG MIN WANG

IPC: G09G3/3233 ,  G09G3/3258 ,  H01L27/12 ,  H01L29/786 ,  H10K59/121 ,  H10K59/131 ,  H10K77/10 ,  H10K102/00

Abstract: An organic light emitting diode display includes a driving transistor and a compensation transistor. The driving transistor includes a first gate electrode disposed on a substrate, a polycrystalline semiconductor layer disposed on the first gate electrode of the driving transistor and including a first electrode, a second electrode, and a channel, and a second gate electrode disposed on the polycrystalline semiconductor layer of the driving transistor. The compensation transistor includes a polycrystalline semiconductor layer including a first electrode, a second electrode, and a channel, and a gate electrode disposed on the polycrystalline semiconductor layer of the compensation transistor.

公开(公告)号：US20230274699A1

公开(公告)日：2023-08-31

申请号：US18312257

申请日：2023-05-04

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： YOUNG-IN HWANG ,  SUNG HO KIM ,  YONG HO YANG ,  SEONG MIN WANG

IPC: G09G3/3233 ,  G09G3/3258 ,  H10K59/131 ,  H10K59/121 ,  H10K77/10

CPC classification number: G09G3/3233 ,  G09G3/3258 ,  H10K59/1213 ,  H10K59/131 ,  H10K77/111 ,  G09G2320/0257 ,  H01L27/1222

Abstract: An organic light emitting diode display includes a driving transistor and a compensation transistor. The driving transistor includes a fist gate electrode disposed on a substrate, a polycrystalline semiconductor layer disposed on the first gate electrode of the driving transistor and including a first electrode, a second electrode, and a channel, and a second gate electrode disposed on the polycrystalline semiconductor layer of the driving transistor. The compensation transistor includes a polycrystalline semiconductor layer including a first electrode, a second electrode, and a channel, and a gate electrode disposed on the polycrystalline semiconductor layer of the compensation transistor.

公开(公告)号：US20230050385A1

公开(公告)日：2023-02-16

申请号：US17662504

申请日：2022-05-09

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： HYEONBUM LEE ,  CHIWOOK AN ,  SEONG MIN WANG

IPC: H01L27/32 ,  H01L51/52 ,  G06F3/041

Abstract: A display device includes a display panel on which a first light emitting element and a second light emitting element adjacent to the first light emitting element are disposed. A sensor layer including a touch electrode is disposed on the display panel. The touch electrode includes a first portion having a first width, a second portion having a second width that is smaller than the first width, and a third portion connecting the first portion to the second portion. The first portion, the second portion, and the third portion are each disposed between the first light emitting element and the second light emitting element.

公开(公告)号：US20210287605A1

公开(公告)日：2021-09-16

申请号：US17164657

申请日：2021-02-01

Applicant: Samsung Display Co., Ltd.

Inventor： SEONG MIN WANG ,  JIHYE KONG ,  YONGHO YANG ,  JEONG-SOO LEE

IPC: G09G3/3233 ,  G09G3/3291 ,  G09G3/3266 ,  G09G3/20

Abstract: A pixel circuit includes a light-emitting element, a first transistor, a second transistor operating based on a first gate signal, a third transistor operating based on a second gate signal, a fourth transistor operating based on an initialization control signal, a fifth transistor operating based on an emission control signal, a sixth transistor operating based on the emission control signal, a seventh transistor, of which one terminal is connected to the light-emitting element, operating based on a bias control signal, an eighth transistor, of which one terminal is connected to the driving transistor, operating based on the bias control signal, a storage capacitor, and the light-emitting element. The pixel circuit performs a display-scan operation in a first case where a driving time of a panel driving frame is a minimum driving time and performs a display-scan operation and at least one self-scan operation in a second case where the driving time is different from the minimum driving time.

公开(公告)号：US20240023404A1

公开(公告)日：2024-01-18

申请号：US18202002

申请日：2023-05-25

Applicant: Samsung Display Co., LTD.

Inventor： KYUNG HYUN CHOI ,  SEONG MIN WANG

IPC: H10K59/38 ,  H10K59/122 ,  H10K59/35

CPC classification number: H10K59/38 ,  H10K59/122 ,  H10K59/352

Abstract: An electronic device includes a display panel including a first area including a plurality of transmission areas and an element area, a second area spaced apart from the first area, and a boundary area defined between the first area and the second area. The display panel includes a division layer in which a plurality of first division is openings defined in the first area and a plurality of second division openings is defined in the second area, a plurality of first color filters including a first-first color filter, a first-second color filter, and a first-third color filter, which are arranged in each of the first division openings, and a plurality of second color filters corresponding to the second division openings in a one-to-one correspondence.

公开(公告)号：US20210193037A1

公开(公告)日：2021-06-24

申请号：US17191782

申请日：2021-03-04

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： YOUNG-IN HWANG ,  SUNG HO KIM ,  YONG HO YANG ,  SEONG MIN WANG

IPC: G09G3/3233 ,  H01L27/32 ,  H01L51/00 ,  G09G3/3258

Abstract: An organic light emitting diode display includes a driving transistor and a compensation transistor. The driving transistor includes a fist gate electrode disposed on a substrate, a polycrystalline semiconductor layer disposed on the first gate electrode of the driving transistor and including a first electrode, a second electrode, and a channel, and a second gate electrode disposed on the polycrystalline semiconductor layer of the driving transistor. The compensation transistor includes a polycrystalline semiconductor layer including a first electrode, a second electrode, and a channel, and a gate electrode disposed on the polycrystalline semiconductor layer of the compensation transistor.

公开(公告)号：US20190280224A1

公开(公告)日：2019-09-12

申请号：US16268147

申请日：2019-02-05

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： SEONG MIN WANG ,  BEOHMROCK CHOI ,  YONGHO YANG

IPC: H01L51/00 ,  H01L27/32

Abstract: A display device includes a substrate, a thin film transistor disposed on the substrate, and a display element electrically connected to the thin film transistor. The substrate includes a first substrate layer, a second substrate layer disposed on the first substrate layer, a first barrier layer disposed between the first substrate layer and the second substrate layer, and a first ultraviolet light blocking layer disposed between the first substrate layer and the second substrate layer.