公开(公告)号：US20200152127A1

公开(公告)日：2020-05-14

申请号：US16681265

申请日：2019-11-12

Applicant: Samsung Display Co., Ltd.

Inventor： Chul Kyu KANG ,  Dae Hyun KIM ,  Sung Hwan KIM ,  Soo Hee OH ,  Dong Sun LEE ,  Sang Moo CHOI

IPC: G09G3/3258

Abstract: Provided herein may be a stage and an emission control driver having the same. The stage may include an output unit configured to supply a voltage of a first or second power supply to a first output terminal depending on voltages of first and second nodes, an input unit configured to control the voltages of the second node and a third node, a first signal processing unit configured to control the voltage of the first node, and supply a voltage corresponding to the first node to a second output terminal, a second signal processing unit including a second capacitor coupled between the third node and a fifth node, the second signal processing unit being configured to control the voltage of the first node, and control a potential difference between opposite terminals of the second capacitor, and a third signal processing unit configured to control the voltage of the second node.

公开(公告)号：US20230116848A1

公开(公告)日：2023-04-13

申请号：US18075048

申请日：2022-12-05

Applicant: Samsung Display Co., Ltd.

Inventor： Sung Hwan KIM ,  Chul Kyu KANG ,  Hyun-Chol BANG ,  Soo Hee OH ,  Dong Sun LEE

IPC: G09G3/3291 ,  G09G3/3266

Abstract: A display device includes: scan, control, and emission control signal lines, signals transmitted thereby being different from one another; data and driving voltage lines; a first transistor including a first gate electrode and first source and drain; a second transistor including a second gate electrode connected to a first scan line, a second source connected to a first data line, and a second drain connected to the first source; a light-emitting element; a control transistor including a control gate electrode connected to a first control line and between the driving voltage line and the first source or the light-emitting element and the first drain; and an emission control transistor in series between the light-emitting element and the control transistor, the control transistor and the first transistor, or the driving voltage line and the control transistor, and an emission control gate electrode connected to the emission control signal line.

公开(公告)号：US20200168160A1

公开(公告)日：2020-05-28

申请号：US16570476

申请日：2019-09-13

Applicant: Samsung Display Co., Ltd.

Inventor： Soo Hee OH ,  Chul Kyu KANG ,  Dong Sun LEE ,  Sang Moo CHOI

IPC: G09G3/3266 ,  G09G3/3291 ,  G06F1/08

Abstract: A stage and a scan driver including the same for supplying a scan signal using a stage formed of P-type transistors to prevent output of an unwanted noise in a period where the scan signal is not supplied.

公开(公告)号：US20200143747A1

公开(公告)日：2020-05-07

申请号：US16563636

申请日：2019-09-06

Applicant: Samsung Display Co., Ltd.

Inventor： Sung Hwan KIM ,  Chul Kyu KANG ,  Soo Hee OH ,  Dong Sun LEE

IPC: G09G3/3266 ,  G09G3/3291

Abstract: A pixel circuit, includes: an organic light-emitting diode; a first transistor coupled between a second node and a third node, wherein a gate electrode of the first transistor is coupled to a first node; a second transistor coupled between a data line and the second node, wherein a gate electrode of the second transistor is coupled to a first scan line; a fourth transistor coupled between the first node and an initialization power source, wherein a gate electrode of the fourth transistor is coupled to a second scan line; a fifth transistor coupled between a first power source and the second node, wherein a gate electrode of the fifth transistor is coupled to a first emission line; and a sixth transistor and an eighth transistor coupled in series between the third node and the organic light-emitting diode.

公开(公告)号：US20180330673A1

公开(公告)日：2018-11-15

申请号：US15979099

申请日：2018-05-14

Applicant: Samsung Display Co., Ltd.

Inventor： Chul Kyu KANG ,  Yong Sung PARK ,  Jin Woo PARK ,  Dong Sun LEE

IPC: G09G3/3266 ,  G09G3/3291

CPC classification number: G09G3/3266 ,  G09G3/3291 ,  G09G2310/0202

Abstract: A circuit stage including a first transistor including a first electrode and a gate electrode, the first electrode being coupled to a first input terminal and the gate electrode being coupled to a second input terminal configured to receive a first clock signal, an output circuit coupled to the second input terminal and a second power input terminal, an input circuit coupled to a second electrode of the first transistor and to a third input terminal, the third input terminal being configured to receive a first control clock signal, the input circuit being configured to control voltages of the second node and a third node, a first driving circuit coupled to a first power input terminal and to a fourth input terminal configured to receive a second control clock signal, and a second driving circuit coupled to the fourth input terminal and the third node.

公开(公告)号：US20210295768A1

公开(公告)日：2021-09-23

申请号：US17339808

申请日：2021-06-04

Applicant: Samsung Display Co., Ltd.

Inventor： Chul Kyu KANG ,  Sung Hwan KIM ,  Soo Hee OH ,  Dong Sun LEE ,  Sang Moo CHOI

IPC: G09G3/32

Abstract: A scan driver includes: a first transistor having a first electrode coupled to an output scan line, a second electrode coupled to a first power line, and a gate electrode coupled to a first node; a second transistor having a first electrode coupled to a first clock line, a second electrode coupled to the output scan line, and a gate electrode coupled to a second node; a third transistor having a first electrode coupled to the first node, a second electrode coupled to a first input scan line, and a gate electrode coupled to a second clock line; and a fourth transistor having a first electrode coupled to the second node and a second electrode and a gate electrode, which are coupled to a second input scan line, wherein the first input scan line and the second input scan line are different from each other.

公开(公告)号：US20200212150A1

公开(公告)日：2020-07-02

申请号：US16812931

申请日：2020-03-09

Applicant: Samsung Display Co., Ltd.

Inventor： Dong Sun LEE ,  Mu Gyeom KIM ,  Young Gug SEOL

IPC: H01L27/32 ,  G06F3/041 ,  G06F3/044

Abstract: A display device including an organic light emitting layer, a pixel circuit, and conductive adhesive having a first density and being in electrical communication with the organic light emitting layer and the pixel circuit, wherein during bending certain portions of the conductive adhesive are compressed to a second density higher than the first density and certain other portions of the conductive adhesive are expanded to a third density lower than the first density.

公开(公告)号：US20200211467A1

公开(公告)日：2020-07-02

申请号：US16708344

申请日：2019-12-09

Applicant: Samsung Display Co., Ltd.

Inventor： Chul Kyu KANG ,  Sung Hwan KIM ,  Soo Hee OH ,  Dong Sun LEE ,  Sang Moo CHOI

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

Abstract: A stage of a scan driver for a display device, the stage includes: an output unit to output to an output terminal either a signal supplied to a first clock terminal corresponding to voltage of a first driving node or a voltage of a second power source corresponding to voltage of a second driving node; an input unit to control the voltage of the first driving node corresponding to signals supplied to a first input terminal, and the input unit to control the voltage of the second driving node corresponding to signals supplied to a second input terminal and a second clock terminal; a first signal processor including a second capacitor coupled between the second driving node and a second node, the first signal processor to control the voltage of the second driving node corresponding to signals supplied to a third clock terminal and a fourth clock terminal, the first signal processor to control a potential difference between both ends of the second capacitor corresponding to the signal supplied to the fourth clock terminal; and a second signal processor to control the voltage of the first driving node corresponding to the signal supplied to the first clock terminal.

公开(公告)号：US20200175913A1

公开(公告)日：2020-06-04

申请号：US16697690

申请日：2019-11-27

Applicant: Samsung Display Co., Ltd.

Inventor： Chul Kyu KANG ,  Sung Hwan KIM ,  Soo Hee OH ,  Dong Sun LEE ,  Sang Moo CHOI

IPC: G09G3/32

Abstract: A scan driver includes: a first transistor having a first electrode coupled to an output scan line, a second electrode coupled to a first power line, and a gate electrode coupled to a first node; a second transistor having a first electrode coupled to a first clock line, a second electrode coupled to the output scan line, and a gate electrode coupled to a second node; a third transistor having a first electrode coupled to the first node, a second electrode coupled to a first input scan line, and a gate electrode coupled to a second clock line; and a fourth transistor having a first electrode coupled to the second node and a second electrode and a gate electrode, which are coupled to a second input scan line, wherein the first input scan line and the second input scan line are different from each other.

公开(公告)号：US20200066212A1

公开(公告)日：2020-02-27

申请号：US16505708

申请日：2019-07-09

Applicant: Samsung Display Co., Ltd.

Inventor： Sung Hwan KIM ,  Sang Moo CHOI ,  Dae Hyun KIM ,  Soo Hee OH ,  Dong Sun LEE

IPC: G09G3/3266

Abstract: A pixel circuit includes: an organic light emitting diode (OLED); a first transistor having first and second electrodes and a first gate electrode; a second transistor connected between a data line and the first electrode, controlled by a first scan line; a third transistor connected between the second electrode and the a electrode of the first transistor, controlled by the first scan line; a fourth transistor connected between the first gate electrode and a first initialization voltage line, controlled by a second scan line; a fifth transistor connected between a power line and first electrode, controlled by a first emission line; a sixth transistor connected between the second electrode and the OLED and controlled by a second emission line; and a storage capacitor connected between the first gate electrode and the power line, wherein the first emission line and the second emission line are located at different nodes.