公开(公告)号：US20210043717A1

公开(公告)日：2021-02-11

申请号：US16925186

申请日：2020-07-09

Applicant: Samsung Display Co., LTD.

Inventor： Jun Hyun PARK ,  Dong Woo KIM ,  Sung Jae MOON ,  Kang Moon JO

IPC: H01L27/32

Abstract: An organic light emitting diode display includes a clock wiring circuit including a first signal line and a second signal line, a resistance adjusting circuit including a first lower resistance line and a first upper resistance line connected to the first signal line and a second lower resistance line and a second upper resistance line connected to the second signal line, and a gate driving circuit connected to the resistance adjusting circuit. The second signal line is disposed closer to the gate driving circuit than the first signal line, the first lower resistance line and the second lower resistance line have higher resistivity than the first upper resistance line and the second upper resistance line, respectively, the first lower resistance line is shorter than the second lower resistance line, and the first upper resistance line is longer than the second upper resistance line.

公开(公告)号：US20200381507A1

公开(公告)日：2020-12-03

申请号：US16869673

申请日：2020-05-08

Applicant: Samsung Display Co., Ltd.

Inventor： Jun Hyun PARK ,  Dong Woo KIM ,  Sung Jae MOON ,  Kang Moon JO

IPC: H01L27/32 ,  H01L49/02

Abstract: The present disclosure relates to a display device, and the display device according to an exemplary embodiment of the present inventive concept includes: a first pixel circuit portion including at least one transistor; a second pixel circuit portion including at least one transistor; a first pixel electrode electrically connected to the first pixel circuit portion; a second pixel electrode electrically connected to the second pixel circuit portion; a first data line electrically connected to the first pixel circuit portion; and a second data line electrically connected to the second pixel circuit portion, wherein the first data line and the second data line are arranged adjacent to each other along a first direction, and the second pixel electrode overlaps the first data line and the second data line in a plan view.

公开(公告)号：US20200266260A1

公开(公告)日：2020-08-20

申请号：US16782899

申请日：2020-02-05

Applicant: Samsung Display Co., LTD.

Inventor： Jun Hyun PARK ,  Kang Moon JO ,  Dong Woo KIM

IPC: H01L27/32 ,  H01L27/12

Abstract: A display device includes: a substrate; a first conductive layer including a lower pattern disposed on the substrate; an active layer including a first active pattern disposed on the first conductive layer; and a second conductive layer including a first gate electrode disposed on the active layer, wherein the first gate electrode overlaps a first channel region included in the first active pattern, the lower pattern overlaps the first active pattern, and the first active pattern does not cross an edge of the lower pattern.

公开(公告)号：US20200219962A1

公开(公告)日：2020-07-09

申请号：US16735990

申请日：2020-01-07

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jun Hyun PARK ,  Dong Woo KIM ,  Sung Jae MOON ,  Kang Moon JO

IPC: H01L27/32 ,  G09G3/3291 ,  G09G3/3258

Abstract: An organic light emitting diode display according to exemplary embodiments includes: a data wire including a data line disposed in a display area and a first data line disposed in a peripheral area; a driving voltage wire including a driving voltage line disposed in the display area and a first driving voltage line disposed in the peripheral area and extending in a first direction; and a driving low voltage wire including a cathode covering the display area and formed to the peripheral area and a first driving low voltage connection portion connected to the cathode and disposed in the peripheral area, wherein the first driving low voltage connection portion includes a first portion and a second portion having a different width than the first portion.

公开(公告)号：US20200184898A1

公开(公告)日：2020-06-11

申请号：US16707994

申请日：2019-12-09

Applicant: Samsung Display Co., Ltd.

Inventor： Yang Hwa CHOI ,  Jun Hyun PARK ,  Dong Woo KIM ,  Kang Moon JO ,  Sung Jae MOON ,  An Su LEE ,  Woong Sik CHOI

IPC: G09G3/3266 ,  G09G3/3258 ,  G09G3/3275

Abstract: A stage of a scan driver includes: a first driving controller for controlling a voltage of a first node and a voltage of a second node; a second driving controller for controlling a voltage of a first driving node, based on a sensing-on signal, a next carry signal, a first control clock signal, a second control clock signal, the voltage of the first node, and a voltage of a sampling node, and controlling a voltage of a second driving node, based on the voltage of the sampling node and the voltage of the first driving node; an output buffer for outputting a carry signal, the first scan signal, and the second scan signal; and a coupling controller. The second driving controller maintains the voltage of the first driving node as a gate-off voltage in response to the voltage of the second driving node and a third control clock signal.

公开(公告)号：US20190035336A1

公开(公告)日：2019-01-31

申请号：US15989673

申请日：2018-05-25

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jun Hyun PARK ,  Young Wan SEO ,  An Su LEE ,  Kang Moon JO ,  Chong Chul CHAI

IPC: G09G3/3266 ,  G09G3/3225

Abstract: An organic light emitting display device includes a plurality of pixels. A pixel on an ith horizontal line includes a first transistor coupled between a first power source and a first node and having a gate electrode coupled to a second node. An organic light emitting diode is coupled between the first node and a second power source. A second transistor is coupled between the second and third nodes and is turned on when a first scan signal is supplied to an ith first scan line. A third transistor is coupled between the third and first nodes. A first capacitor is coupled between an ith control line and the second node. A second capacitor is coupled between the third node and a data line. The pixels are simultaneously driven during first, second, and third periods of a frame period and sequentially driven during a fourth period of the frame period.

公开(公告)号：US20230065100A1

公开(公告)日：2023-03-02

申请号：US17982919

申请日：2022-11-08

Applicant: Samsung Display Co., LTD.

Inventor： Jun Hyun PARK ,  Dong Woo KIM ,  An Su LEE ,  Kang Moon JO

IPC: G09G3/32

Abstract: A display device includes a substrate including a display area and a non-display area around the display area; a transistor on the substrate; an insulating layer on the transistor; a power voltage line on the insulating layer and transferring a power voltage; a data line on the insulating layer and transferring a data voltage; and an auxiliary wire between the substrate and the power voltage line in the display area. The auxiliary wire includes a portion overlapping the power voltage line and a portion overlapping the data line in a plan view and is electrically connected to the power voltage line.

公开(公告)号：US20220165839A1

公开(公告)日：2022-05-26

申请号：US17548785

申请日：2021-12-13

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Kang Moon JO ,  Dong Woo KIM ,  Sung Jae MOON ,  Jun Hyun PARK ,  An Su LEE

IPC: H01L27/32 ,  H01L51/52

Abstract: A display device including: a substrate; an active layer disposed on the substrate and including active patterns; a first conductive layer disposed on the active layer; a second conductive layer disposed on the first conductive layer and including a data line; a third conductive layer disposed on the second conductive layer; and a light-emitting element disposed on the third conductive layer, wherein the first conductive layer includes a scan line, a first voltage line, and a second voltage line, the third conductive layer includes a third voltage line connected to the first voltage line and a fourth voltage line connected to the second voltage line, the first voltage line and the second voltage line extend in a first direction, the third voltage line and the fourth voltage line extend in a second direction, and the third voltage line and the fourth voltage line are alternately arranged in the first direction.

公开(公告)号：US20210248962A1

公开(公告)日：2021-08-12

申请号：US17240551

申请日：2021-04-26

Applicant: Samsung Display Co., Ltd.

Inventor： Jun Hyun PARK ,  Dong Woo KIM ,  Sung Jae MOON ,  An Su LEE ,  Kang Moon JO

IPC: G09G3/3266 ,  G09G3/3275 ,  G09G3/3233

Abstract: A scan driver includes stages for outputting scan signals. An nth stage includes: a first driving controller for controlling a voltage of a first node and a voltage of a second node in response to a previous carry signal; a second driving controller for controlling a voltage of a first driving node, based on a sensing-on signal, a next carry signal, the voltage of a first power source, the voltage of the first node, and a voltage of a sampling node, and controlling a voltage of a second driving node, based on the voltage of the sampling node and a sensing clock signal; an output buffer for outputting a carry signal and the scan signal; and a connection controller for electrically coupling the first node and the first driving node and electrically coupling the second node and the second driving node, in response to a display-on signal.

公开(公告)号：US20210174748A1

公开(公告)日：2021-06-10

申请号：US17182000

申请日：2021-02-22

Applicant: Samsung Display Co., Ltd.

Inventor： Jun Hyun PARK ,  Dong Woo KIM ,  An Su LEE ,  Kang Moon JO

IPC: G09G3/3266

Abstract: There are provided a gate driver and a display device including the same. The gate driver includes: a first scan driver; a first sensing driver; a first scan clock line; and a first sensing clock line. The first scan clock line includes a first scan clock main line extending in one direction, and a first scan clock connection line connected to the first scan clock main line and the first scan driver. The first sensing clock line includes a first sensing clock main line extending in one direction, and a first sensing clock connection line connected to the first sensing clock main line and the first sensing driver. The first scan clock main line is closer to each of the first scan driver and the first sensing driver than the first sensing clock main line.