公开(公告)号：US20210074203A1

公开(公告)日：2021-03-11

申请号：US16881757

申请日：2020-05-22

Applicant: Samsung Display Co., LTD.

Inventor： Jong Hee KIM ,  Hyuk KIM ,  An Su LEE

IPC: G09G3/32

Abstract: A scan driver includes scan stages, an n-th scan stage of the scan stages includes a first driving circuit, a second driving circuit, and an output circuit. The first driving circuit controls a voltage of a first driving node, based on an input signal and a voltage of a second driving node. The second driving circuit controls the voltage of the second driving node, based on a second clock signal and a first voltage. The output circuit outputs a first clock signal as a scan signal and a carry signal, and outputs a second voltage as the scan signal and the carry signal. The first driving circuit includes a first transistor including a gate electrode electrically connected to the second driving node, one electrode electrically connected to an input line that provides the input signal, and another electrode electrically connected to the first driving node.

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：US20190294278A1

公开(公告)日：2019-09-26

申请号：US16205582

申请日：2018-11-30

Applicant: Samsung Display Co., Ltd.

Inventor： Sun Kwang KIM ,  Ki Nyeng KANG ,  An Su LEE

IPC: G06F3/047 ,  G06F3/041 ,  G06F1/16

Abstract: A touch sensor includes a substrate, sensing electrodes (SEs), and sensing lines (SLs). The substrate includes a sensing area (SA) and a peripheral area outside the SA. The SEs overlap the SA. The SLs overlap the peripheral area, are respectively connected to the SEs, and include first SLs (FSLs) alternatingly arranged with second SLs (SSLs). Each of the SLs includes: a first metal layer (FML) on the substrate; a first insulating layer (FIL) on the FML and including a first contact hole (FCH) exposing the FML; and a second metal layer (SML) on the FIL and connected to the FML through the FCH. A width of the FML of each of the FSLs is different from a width of the FML of each of the SSLs. A width of the SML of each of the FSLs is different from a width of the SML of each of the SSLs.

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：US20180166516A1

公开(公告)日：2018-06-14

申请号：US15838693

申请日：2017-12-12

Applicant: SAMSUNG DISPLAY CO., LTD. ,  IUCF-HYU (Industry-University Cooperation Foundation Hanyang Univertiy)

Inventor： Chong Chul CHAI ,  Oh Kyong KWON ,  Nack Hyeon KEUM ,  Kyong Hwan OH ,  Bo Yong CHUNG ,  An Su LEE

IPC: H01L27/32 ,  G09G3/3233

CPC classification number: H01L27/3244 ,  G09G3/3225 ,  G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/0251 ,  G09G2310/0262 ,  G09G2320/043 ,  H01L27/32 ,  H01L27/3262 ,  H01L27/3276

Abstract: A pixel includes first through fourth transistors and storage capacitor. The first transistor controls an amount of current flowing from a first driving power source to a second driving power source, via an organic light-emitting diode, based on a voltage of a first node. The second transistor is coupled between a first electrode of the first transistor and the first node, and is turned on when a scan signal is supplied to a scan line. The third transistor is coupled between a second electrode of the first transistor and a reference power source, and is turned on when the scan signal is supplied. The fourth transistor is coupled between an anode electrode of the organic light-emitting diode and a data line, and is turned on when the scan signal is supplied. The storage capacitor is coupled between the first node and the anode electrode of the organic light-emitting diode.

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.

公开(公告)号：US20210126079A1

公开(公告)日：2021-04-29

申请号：US16988984

申请日：2020-08-10

Applicant: Samsung Display Co., LTD.

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

IPC: H01L27/32

Abstract: An organic light emitting diode display includes a substrate, a semiconductor pattern disposed on the substrate, a first conductive layer disposed on the semiconductor pattern and including a first gate electrode having an island-shaped structure, a second gate electrode having an island-shaped structure, and a third gate electrode having an island-shaped structure, and a second conductive layer disposed on the first conductive layer and including a first initialization voltage line overlapping the first gate electrode, a scan line overlapping the second gate electrode, and a control signal line overlapping the third gate electrode, where the control signal line is electrically connected to the third gate electrode, the scan line is electrically connected to the second gate electrode, and the first initialization voltage line, the scan line, and the control signal line extend in a first direction.