公开(公告)号：US20230298525A1

公开(公告)日：2023-09-21

申请号：US18201739

申请日：2023-05-24

Applicant: Samsung Display Co., Ltd.

Inventor： Jang Mi KANG ,  Jun Hyun Park ,  Min Jae Jeong

IPC: G09G3/3233 ,  H10K59/126 ,  H10K59/131 ,  H10K59/121

CPC classification number: G09G3/3233 ,  H10K59/126 ,  H10K59/131 ,  H10K59/1213 ,  H10K59/1216 ,  G09G2300/0819 ,  G09G2320/0257 ,  G09G2310/08 ,  G09G2300/0861 ,  G09G2300/0413 ,  G09G2330/021 ,  G09G2320/0247 ,  G09G2300/0852

Abstract: A pixel of display device includes a light emitting element, a first transistor coupled between first power source and a second node and having a gate electrode connected to a first node N1, and the first transistor being configured to control a driving current supplied to the light emitting element in response to a voltage of the first node, a first capacitor including one electrode connected to the first node and another electrode connected to a third node, a second transistor coupled between the third node and a data line, a third transistor coupled between the first node and the second node, a fourth transistor coupled between the first node and an initialization power source, a fifth transistor coupled between a reference power source and the third node, and an eighth transistor coupled between a fourth node and an anode initialization power source.

公开(公告)号：US11741884B2

公开(公告)日：2023-08-29

申请号：US17323213

申请日：2021-05-18

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyun Joon Kim ,  Jang Mi Kang ,  Hae Min Kim ,  Jun Hyun Park ,  Min Jae Jeong ,  Ki Hyun Pyo

IPC: G09G3/32 ,  G09G3/3233 ,  G09G3/3208 ,  G09G3/30 ,  G09G3/3225 ,  G09G3/325

CPC classification number: G09G3/32 ,  G09G3/30 ,  G09G3/325 ,  G09G3/3208 ,  G09G3/3225 ,  G09G3/3233 ,  G09G2300/0819 ,  G09G2310/0267 ,  G09G2320/0233 ,  G09G2320/045

Abstract: A display device according to an embodiment of the present disclosure includes pixels connected to a first scan line, a second scan line, a third scan line, a data line, a first emission control line, and a second emission control line. Each of the pixels includes a light emitting element; a first transistor connected between a first node connected to a first power source and a second electrode connected to a second node connected to an anode of the light emitting element, and including a gate electrode connected to a third node; a second transistor connected between the data line and a fourth node and including a gate electrode connected to the first scan line; a first capacitor connected between the second node and a fifth node; a second capacitor connected between the fourth node and the fifth node; a fourth transistor connected between the third node and the fifth node, and including a gate electrode connected to the second scan line; and a sixth transistor connected between the third node and the fourth node, and including a gate electrode connected to the first emission control line.

公开(公告)号：US11723241B2

公开(公告)日：2023-08-08

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: H10K59/131 ,  H01L49/02 ,  H10K59/35 ,  H10K59/123 ,  H10K59/121

CPC classification number: H10K59/131 ,  H01L28/60 ,  H10K59/123 ,  H10K59/1216 ,  H10K59/35

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：US11683964B2

公开(公告)日：2023-06-20

申请号：US16988984

申请日：2020-08-10

Applicant: Samsung Display Co., LTD.

Inventor： Kang Moon Jo ,  Chong Chui Chai ,  Jun Hyun Park ,  An Su Lee

IPC: H01L27/14 ,  H01L27/32 ,  G09G3/3208 ,  H01L27/12 ,  H01L51/52

CPC classification number: H01L27/3276 ,  G09G3/3208 ,  H01L27/1255 ,  H01L27/3262 ,  H01L27/3265 ,  H01L51/52 ,  H01L51/5203

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.

公开(公告)号：US11348530B2

公开(公告)日：2022-05-31

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：US11322093B2

公开(公告)日：2022-05-03

申请号：US17062971

申请日：2020-10-05

Applicant: Samsung Display Co., Ltd.

Inventor： Jun Hyun Park ,  Chong Chui Chai ,  Young Wan Seo ,  An Su Lee ,  Bo Yong Chung ,  Kang Moon Jo

IPC: G09G3/3258 ,  G09G3/3233

Abstract: A pixel circuit includes a first switching element including a control electrode connected to a first node, an input electrode which receives a first power voltage and an output electrode connected to a third node, a second switching element including a control electrode which receives a compensation gate signal, an input electrode connected to a second node and an output electrode connected to the third node, a third switching element including a control electrode which receives a write gate signal, an input electrode connected to the first node and an output electrode connected to the second node, a storage capacitor including a first electrode which receives an initialization voltage and a second electrode connected to the first node, a program capacitor which receives a data voltage and connected to the second node, and an organic light emitting element connected to the third node and which receives a second power voltage.

公开(公告)号：US11227843B2

公开(公告)日：2022-01-18

申请号：US16821691

申请日：2020-03-17

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jun Hyun Park ,  An Su Lee ,  Dong Woo Kim ,  Sung Jae Moon ,  Kang Moon Jo

IPC: H01L51/52 ,  H01L23/60 ,  H01L27/32 ,  H01L51/56

Abstract: A display device includes a substrate that includes a display area and a non-display area. A driver is disposed in the non-display area, and includes a driver circuit including a transistor and a driver control line transmitting a control signal to the driver circuit. A static electricity blocking line is disposed in the non-display area and circumscribes the display area. The static electricity blocking line at least partially overlaps the driver.

公开(公告)号：US11199573B2

公开(公告)日：2021-12-14

申请号：US16851590

申请日：2020-04-17

Applicant: Samsung Display Co., Ltd.

Inventor： Jun Hyun Park ,  Dong Woo Kim ,  An Su Lee ,  Kang Moon Jo

IPC: G01R31/28 ,  G01R31/56 ,  G09G3/00 ,  G09G3/3266

Abstract: A display panel includes: a pixel region comprising a plurality of pixels; an open/short test region comprising a plurality of open/short test pads; a dummy stage configured to generate a carry signal in response to a scan start signal; and a plurality of stages configured to sequentially provide a plurality of scan signals to the plurality of pixels in response to the carry signal, wherein the plurality of stages is spaced apart by a first distance from the pixel region, and the dummy stage is spaced apart by a second distance greater than the first distance from the open/short test region.

公开(公告)号：US11177333B2

公开(公告)日：2021-11-16

申请号：US16735962

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: H01L29/12 ,  H01L27/32

Abstract: A display device having high resolution includes: a first conductive layer, an active pattern, second to fourth conductive layers, and a pixel electrode sequentially formed on a substrate, with first to fourth insulating layers separately interposed therebetween, the first conductive layer including a lower pattern, the active pattern including a source region, a channel region, and a drain region, the second conductive layer including a gate electrode overlapping the channel region and a driving gate electrode connected to the gate electrode, the third conductive layer including a capacitor electrode overlapping the driving gate electrode, the fourth conductive layer including an additional capacitor electrode overlapping the capacitor electrode. The driving gate electrode and the capacitor electrode may form a storage capacitor, the pixel electrode and the additional capacitor electrode may form a first additional capacitor, and the capacitor electrode and the additional capacitor electrode may form a second additional capacitor.

公开(公告)号：US11081056B2

公开(公告)日：2021-08-03

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 ,  G09G3/3233

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.