公开(公告)号：US11670233B2

公开(公告)日：2023-06-06

申请号：US17735204

申请日：2022-05-03

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Young-In Hwang ,  Sung Ho Kim ,  Yong Ho Yang ,  Seong Min Wang

IPC: G09G3/3233 ,  H01L51/00 ,  H01L27/32 ,  G09G3/3258 ,  H01L27/12 ,  H01L29/786

CPC classification number: G09G3/3233 ,  G09G3/3258 ,  H01L27/3262 ,  H01L27/3276 ,  H01L51/0097 ,  G09G2300/0819 ,  G09G2320/0257 ,  H01L27/124 ,  H01L27/1222 ,  H01L29/78648 ,  H01L29/78675 ,  H01L2251/5338

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：US20220415980A1

公开(公告)日：2022-12-29

申请号：US17699160

申请日：2022-03-20

Applicant: Samsung Display Co., Ltd.

Inventor： Hyeon Bum LEE ,  Seong Min Wang ,  Chi Wook An

IPC: H01L27/32 ,  H01L51/00 ,  H01L51/52

Abstract: A light emitting display device includes: a flexible substrate including a display area and a peripheral area having a bending area. The display area includes: a plurality of inorganic layers; first and second organic layers that are disposed on the plurality of inorganic layers; a black pixel defining layer that is disposed on the second organic layer; and a spacer that is disposed on the black pixel defining layer. In the bending area, the plurality of inorganic layers include a first opening formed at a position corresponding to the bending area. The first opening is filled with the first organic layer, the second organic layer is disposed on the first organic layer, the black pixel defining layer includes a second opening at a position corresponding to the bending area, and the second opening is filled with an organic layer for the spacer, formed of a same material as the spacer.

公开(公告)号：US11295669B2

公开(公告)日：2022-04-05

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 ,  G09G3/20 ,  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 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：US10942385B2

公开(公告)日：2021-03-09

申请号：US16203614

申请日：2018-11-29

Applicant: Samsung Display Co., Ltd.

Inventor： Seong Min Wang ,  Beohm Rock Choi ,  Yong Ho Yang

IPC: G09G5/00 ,  G02F1/1333 ,  G06K9/00 ,  H01L27/32 ,  H01L51/52

Abstract: A display device includes a display panel having a first side including a display area configured to emit light and a second side opposite the first side, an auxiliary layer disposed on the second side of the display area and including an opening, a sensor overlapping the opening, and an adhesive layer connected between the sensor and the auxiliary layer.

公开(公告)号：US10903456B2

公开(公告)日：2021-01-26

申请号：US15807112

申请日：2017-11-08

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Seong Min Wang ,  Jung Gun Nam ,  Byeong Hoon Cho ,  Mu Gyeom Kim

IPC: H01L51/52 ,  H01L27/32 ,  H01L51/00

Abstract: An organic light emitting diode display device, including a flexible substrate; pixels on the flexible substrate, the pixels including an organic emission layer; a pixel definition layer between the pixels, the pixel definition layer including openings; an encapsulation layer covering the pixels; and a conductive light shielding member on the encapsulation layer, the conductive light shielding member not overlapped with the pixels, and overlapped with the pixel definition layer.

公开(公告)号：US12062336B2

公开(公告)日：2024-08-13

申请号：US17118903

申请日：2020-12-11

Applicant: Samsung Display Co., Ltd.

Inventor： Seong Min Wang ,  Yong Ho Yang ,  Sung Ho Kim ,  Young-In Hwang

IPC: H01L27/32 ,  G09G3/3258 ,  H10K59/121 ,  H10K59/126 ,  H10K59/131 ,  H10K77/10 ,  H10K102/00

CPC classification number: G09G3/3258 ,  H10K59/1213 ,  H10K59/1216 ,  H10K59/126 ,  H10K59/131 ,  H10K77/111 ,  G09G2300/0809 ,  G09G2320/0219 ,  H10K2102/311

Abstract: An organic light emitting diode display includes a first transistor disposed on a substrate and including a gate electrode, an input electrode, and an output electrode, a second transistor electrically connected to a scan line, a data line, and the input electrode of the first transistor, a third transistor including a gate electrode, a first electrode electrically connected to the output electrode of the first transistor, and a second electrode electrically connected to the gate electrode of the first transistor, and an overlapping layer that overlaps the gate electrode of the third transistor in a plan view. The overlapping layer is disposed between the substrate and a semiconductor layer of the third transistor.

公开(公告)号：US11727877B2

公开(公告)日：2023-08-15

申请号：US17891877

申请日：2022-08-19

Applicant: Samsung Display Co., Ltd.

Inventor： Young-In Hwang ,  Sung Ho Kim ,  Eung Taek Kim ,  Yong Ho Yang ,  Seong Min Wang ,  Jung-Mi Choi

IPC: G09G3/3233 ,  G09G3/3291 ,  G09G3/3266 ,  G09G3/3258 ,  H10K59/131

CPC classification number: G09G3/3233 ,  G09G3/3258 ,  G09G3/3266 ,  G09G3/3291 ,  H10K59/131 ,  G09G2300/0426 ,  G09G2300/0809 ,  G09G2320/0214

Abstract: A pixel includes: an organic light emitting diode; a first transistor including a gate that is connected to a first node, wherein the first transistor is connected between a second node and a third node; a second transistor including a gate that is connected to a corresponding scan line, wherein the second transistor is connected between a data line and the second node; a storage capacitor connected between the first node and a first voltage; a third transistor including a gate that is connected to the corresponding scan line, the third transistor is connected between the first node and the third node; and a fourth transistor connected between a first end of the first transistor and a second voltage.

公开(公告)号：US11493795B2

公开(公告)日：2022-11-08

申请号：US17167004

申请日：2021-02-03

Applicant: Samsung Display Co., Ltd.

Inventor： Seong Min Wang ,  Beohm Rock Choi ,  Yong Ho Yang

IPC: G09G5/00 ,  G02F1/1333 ,  H01L27/32 ,  H01L51/52 ,  G06V40/13 ,  G06V40/12

Abstract: A display device including a display panel having a first side including a display area configured to emit light and a second side opposite to the first side, an auxiliary layer disposed on the second side of the display area and including an opening, a sensor overlapping the opening and having a first surface facing the display panel, a first adhesive layer disposed between the first surface of the sensor and the display panel, and a second adhesive layer disposed between a side surface of the sensor and the auxiliary layer, in which the second adhesive layer and the first adhesive layer contact each other.

公开(公告)号：US11468844B2

公开(公告)日：2022-10-11

申请号：US17172132

申请日：2021-02-10

Applicant: Samsung Display Co., Ltd.

Inventor： Seong Min Wang ,  Young In Hwang ,  Jin Woo Park ,  Yong Ho Yang

IPC: G09G3/3266 ,  H01L27/32 ,  H01L29/786 ,  H01L27/12 ,  G09G3/3258

Abstract: A display device may include a first pixel coupled to an emission control line, and an emission control stage for selectively coupling the emission control line to a first or second supply voltage line. The emission control stage may include: a first emission control transistor including a first electrode coupled to the first supply voltage line, a second electrode coupled to the emission control line, and a main gate electrode coupled to a first node; a second emission control transistor including a first electrode coupled to the emission control line, a second electrode coupled to the second supply voltage line, and a main gate electrode coupled to a second node; and a third emission control transistor including a first electrode coupled to the first supply voltage line, a second electrode coupled to the first node, a main gate electrode coupled to the second node, and a sub-gate electrode.

公开(公告)号：US11373597B2

公开(公告)日：2022-06-28

申请号：US17168061

申请日：2021-02-04

Applicant: Samsung Display Co., Ltd.

Inventor： Seong Min Wang ,  Ji Hye Kong ,  Yong Ho Yang ,  Jeong-Soo Lee

IPC: G09G3/3233 ,  G09G3/3258 ,  G09G3/3291 ,  G09G3/3266

Abstract: A display device includes a display panel, a driving circuit, and a power supply. The driving circuit is connected to a plurality of pixels of the display panel through a plurality of scan line sets and a plurality of data lines, provides a plurality of scan signals to the display panel, and provides data voltages to the plurality of data lines. The power supply applies one or more power voltages to the plurality of pixels. The driving circuit enables at least two scan signals of the plurality of scan signals during a non-emission interval, partially overlapping the at least two scan signals during at least two consecutive horizontal periods.