公开(公告)号：US20240274068A1

公开(公告)日：2024-08-15

申请号：US18642778

申请日：2024-04-22

Applicant: SAMSUNG DISPLAY CO., LTD.

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

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2310/0267 ,  G09G2310/08

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：US20210366409A1

公开(公告)日：2021-11-25

申请号：US17395979

申请日：2021-08-06

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：US20210248963A1

公开(公告)日：2021-08-12

申请号：US17245316

申请日：2021-04-30

Applicant: Samsung Display Co., Ltd.

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

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

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：US20190115406A1

公开(公告)日：2019-04-18

申请号：US16228772

申请日：2018-12-21

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：US20230395032A1

公开(公告)日：2023-12-07

申请号：US18453290

申请日：2023-08-21

Applicant: SAMSUNG DISPLAY CO., LTD.

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

IPC: G09G3/3266 ,  G09G3/3291 ,  G11C19/28

CPC classification number: G09G3/3266 ,  G09G3/3291 ,  G11C19/28 ,  G09G2310/0202 ,  G09G2310/0286

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：US20200211474A1

公开(公告)日：2020-07-02

申请号：US16725288

申请日：2019-12-23

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：US20190392769A1

公开(公告)日：2019-12-26

申请号：US16450719

申请日：2019-06-24

Applicant: Samsung Display Co., Ltd.

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

IPC: G09G3/3291 ,  G09G3/3266 ,  G09G3/20

Abstract: An organic light emitting display device includes: a pixel unit including a plurality of pixels; a scan driver for sequentially supplying a scan signal to the pixels through scan lines, wherein the scan signal includes k (k is a natural number) bias pulses for applying a bias voltage and one write pulse for applying a data voltage; a data corrector for correcting a first grayscale value that is a grayscale value of a (j, i) pixel (i and j are natural numbers) among the pixels, based on a difference between the first grayscale value and a second grayscale value that is a grayscale value of a (j+2k, i) pixel among the pixels; and a data driver for supplying a data voltage corresponding to each of the grayscale values to the pixel unit through a plurality of data lines.

公开(公告)号：US20180294325A1

公开(公告)日：2018-10-11

申请号：US16003616

申请日：2018-06-08

Applicant: Samsung Display Co., Ltd.

Inventor： Dong Sun LEE ,  Seon I JEONG

IPC: H01L27/32 ,  G09G3/3233

CPC classification number: H01L27/3265 ,  G09G3/3233 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2310/0245 ,  G09G2320/045 ,  G09G2320/066 ,  H01L27/3276

Abstract: An organic light-emitting diode (OLED) display includes a substrate, a scan line disposed over the substrate and configured to transmit a scan signal, a data line crossing the scan line and configured to transmit a data voltage a driving voltage line crossing the scan line and configured to transmit a driving voltage, a switching transistor connected to the scan line and the data line, a driving transistor connected to the switching transistor and including a driving gate electrode, a driving source electrode, and a driving drain electrode, and an OLED electrically connected to the driving transistor, wherein the driving source electrode at least partially overlaps the data line in the depth dimension of the OLED display so as to form an assistance capacitor.

公开(公告)号：US20170358637A1

公开(公告)日：2017-12-14

申请号：US15469565

申请日：2017-03-26

Applicant: Samsung Display Co., Ltd.

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

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

CPC classification number: H01L27/3248 ,  G06F3/0412 ,  G06F3/044 ,  G06F2203/04103 ,  G06F2203/04105 ,  H01L27/323 ,  H01L27/3262 ,  H01L2227/323

Abstract: A display device including a first substrate, an organic light emitting layer on the first substrate and including a protrusion, and a pixel circuit including a passivation film having a recess engaged with the protrusion, wherein the protrusion is located at a position corresponding to the recess and adhered to the pixel circuit in the recess by a conductive adhesive.

公开(公告)号：US20230022857A1

公开(公告)日：2023-01-26

申请号：US17938031

申请日：2022-10-04

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.