公开(公告)号：US12039926B2

公开(公告)日：2024-07-16

申请号：US18301973

申请日：2023-04-17

Applicant: Samsung Display Co., Ltd.

Inventor： Wan-Soon Im ,  Chulho Kim ,  Kidan Lee ,  Jeong-Soo Lee ,  Jina Lee ,  Sugwoo Jung

IPC: G09G3/3208 ,  H10K59/122 ,  H10K59/131

CPC classification number: G09G3/3208 ,  H10K59/131 ,  G09G2320/0214 ,  G09G2320/0233 ,  G09G2340/0435 ,  H10K59/122

Abstract: A display device includes a light emitting element including an anode, a cathode, and a light emitting layer between the anode and the cathode, a first transistor connected between the anode and a first power line, the first transistor may be switched by a voltage of a node, a second transistor connected between the first transistor and a data line, the second transistor may be switched by a write scan signal, a third transistor connected between the node and the anode, the third transistor may be switched by a compensation scan signal, a fourth transistor connected between the node and an initialization line, the fourth transistor may be switched by an initialization scan signal, an insulating layer on the first to the fourth transistors, and a light blocking pattern protruding from the insulating layer, the light blocking pattern being adjacent to the third transistor and the fourth transistor.

公开(公告)号：US11637162B2

公开(公告)日：2023-04-25

申请号：US17140484

申请日：2021-01-04

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jeong-Soo Lee ,  Moo Soon Ko ,  Min Woo Woo ,  Ju-Won Yoon ,  Deuk Myung Ji

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

Abstract: A display device includes a plurality of pixels. Each pixel includes a first transistor including a first gate electrode, a first source region, and a first drain region, a second transistor connected to the first source region of the first transistor, a third transistor connected to the first gate electrode and the first drain region of the first transistor, a fifth transistor connected to the first source region of the first transistor, and a sixth transistor connected to the first drain region of the first transistor. The pixels include a first pixel and a second pixel disposed adjacent to each other. The first and second pixels share a fourth transistor connected to the third transistor of the first pixel and the third transistor of the second pixel, and share a seventh transistor connected to the sixth transistor of the first pixel and the sixth transistor of the second pixel.

公开(公告)号：US11631370B2

公开(公告)日：2023-04-18

申请号：US17721071

申请日：2022-04-14

Applicant: Samsung Display Co., Ltd.

Inventor： Wan-Soon Im ,  Chulho Kim ,  Kidan Lee ,  Jeong-Soo Lee ,  Jina Lee ,  Sugwoo Jung

IPC: G09G3/3208 ,  H01L27/32

Abstract: A display device includes a light emitting element including an anode, a cathode, and a light emitting layer between the anode and the cathode, a first transistor connected between the anode and a first power line, the first transistor may be switched by a voltage of a node, a second transistor connected between the first transistor and a data line, the second transistor may be switched by a write scan signal, a third transistor connected between the node and the anode, the third transistor may be switched by a compensation scan signal, a fourth transistor connected between the node and an initialization line, the fourth transistor may be switched by an initialization scan signal, an insulating layer on the first to the fourth transistors, and a light blocking pattern protruding from the insulating layer, the light blocking pattern being adjacent to the third transistor and the fourth transistor.

公开(公告)号：US10916620B2

公开(公告)日：2021-02-09

申请号：US16799296

申请日：2020-02-24

Applicant: Samsung Display Co., LTD.

Inventor： Jin Sung An ,  Young Woo Park ,  Se Wan Son ,  Moo Soon Ko ,  Jeong-Soo Lee ,  Ji Seon Lee ,  Deuk Myung Ji

IPC: H01L27/32 ,  H01L51/56 ,  G09G3/3275 ,  H01L51/52 ,  G09G3/3266

Abstract: A display device including: a substrate; an active layer, and including channel and conductive regions and; a first conductive layer including a driving gate electrode and a scan line in a first direction; a second conductive layer including a storage line; a third conductive layer including a first connecting member above the storage line; an insulating layer between the storage line and the first connecting member; and a data line and a driving voltage line crossing the scan line in a second direction, wherein the first connecting member electrically connects the driving gate electrode and a conductive region, the driving voltage line overlaps the first connecting member, the insulating layer includes first and second sub-insulating layers, and an edge of the second sub-insulating layer substantially overlaps an edge of the first connecting member in a thickness direction of the display device.

公开(公告)号：US12027104B2

公开(公告)日：2024-07-02

申请号：US18069418

申请日：2022-12-21

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jinsung An ,  Sungho Kim ,  Minwoo Woo ,  Wangwoo Lee ,  Jeong-Soo Lee ,  Sugwoo Jung

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2300/0426 ,  G09G2300/0852 ,  G09G2310/0278 ,  G09G2320/0247

Abstract: A display panel includes: a light emitting element, a driving switching element, a bias switching element and a bias control switching element. The driving switching element is configured to apply a driving current to the light emitting element. The bias switching element is connected to a first electrode of the driving switching element and configured to apply a bias voltage to the first electrode of the driving switching element. The bias control switching element is connected to a first electrode of the bias switching element and configured to apply the bias voltage to the first electrode of the bias switching element.

公开(公告)号：US11882741B2

公开(公告)日：2024-01-23

申请号：US18108162

申请日：2023-02-10

Applicant: Samsung Display Co., LTD.

Inventor： Jin Sung An ,  Young Woo Park ,  Se Wan Son ,  Moo Soon Ko ,  Jeong-Soo Lee ,  Ji Seon Lee ,  Deuk Myung Ji

IPC: H10K59/131 ,  G09G3/3275 ,  G09G3/3266 ,  H10K50/844 ,  H10K71/00 ,  H10K102/00

CPC classification number: H10K59/131 ,  G09G3/3266 ,  G09G3/3275 ,  H10K50/844 ,  H10K71/00 ,  H10K2102/00

Abstract: A display device including: a substrate; an active layer, and including channel and conductive regions; a first conductive layer including a driving gate electrode and a scan line in a first direction; a second conductive layer including a storage line; a third conductive layer including a first connecting member above the storage line; an insulating layer between the storage line and the first connecting member; and a data line and a driving voltage line crossing the scan line in a second direction, wherein the first connecting member electrically connects the driving gate electrode and a conductive region, the driving voltage line overlaps the first connecting member, the insulating layer includes first and second sub-insulating layers, and an edge of the second sub-insulating layer substantially overlaps an edge of the first connecting member in a thickness direction of the display device.

公开(公告)号：US11871624B2

公开(公告)日：2024-01-09

申请号：US17109771

申请日：2020-12-02

Applicant: Samsung Display Co., LTD.

Inventor： Se Wan Son ,  Moo Soon Ko ,  Kyung Hyun Baek ,  Seok Je Seong ,  Jae Hyun Lee ,  Jeong-Soo Lee ,  Ji Seon Lee ,  Yoon-Jong Cho

IPC: H10K59/131 ,  H10K59/124 ,  H10K59/126 ,  G09G3/32

CPC classification number: H10K59/131 ,  H10K59/124 ,  H10K59/126 ,  G09G3/32 ,  G09G2300/0809

Abstract: A display device includes a first semiconductor layer disposed on a substrate; a first insulating layer disposed on the first semiconductor layer; a scan line disposed on the first insulating layer; a second insulating layer on the scan line; an inverted scan line on the second insulating layer; a third insulating layer disposed on the inverted scan line; a second semiconductor layer disposed on the third insulating layer; a fourth insulating layer disposed on the second semiconductor layer; an initializing voltage line disposed on the fourth insulating layer and overlapping the scan line; a first transistor including a channel disposed in the first semiconductor layer and receiving a gate signal through the scan line; and a second transistor including a channel disposed in the second semiconductor layer and receiving a gate signal through the inverted scan line.

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：US10396139B2

公开(公告)日：2019-08-27

申请号：US14833345

申请日：2015-08-24

Applicant: Samsung Display Co., Ltd.

Inventor： Ju-Won Yoon ,  Jung-Hwa Kim ,  Min-Woo Woo ,  Il-Jeong Lee ,  Jeong-Soo Lee

IPC: H01L27/32 ,  H01L33/00 ,  H01L29/786 ,  H01L27/12

Abstract: An organic light-emitting diode (OLED) display is disclosed. In one aspect, the OLED display includes a substrate and an active pattern formed over the substrate. The OLED display also includes first and second gate electrodes formed over the active pattern. The first gate electrode defines a first transistor together with the active pattern. The second gate electrode defines a second transistor and a third transistor together with the active pattern. The OLED display further includes a first conductive pattern formed over the first and second gate electrodes. The first conductive pattern overlaps at least a portion of the second and/or third transistors so as to define a parasitic capacitor.

公开(公告)号：US12164347B2

公开(公告)日：2024-12-10

申请号：US18341855

申请日：2023-06-27

Applicant: Samsung Display Co., LTD.

Inventor： Jihye Kong ,  Jeong-Soo Lee

IPC: G06F1/18 ,  G09G3/3275

Abstract: A display device includes a plurality of pixels and an upper signal line providing a data signal to the pixels. The upper signal line includes a first upper signal line including a first metal material, a second upper signal line including a second metal material which is different from the first metal material, and a third upper signal line including the first metal material. The first, second and third upper signal lines are arranged in order and respectively electrically connected to a plurality of connection lines including the second metal material. The connection lines are connected to a plurality of lower signal lines.