公开(公告)号：US11056043B2

公开(公告)日：2021-07-06

申请号：US16890319

申请日：2020-06-02

Applicant: Samsung Display Co., LTD.

Inventor： Kyong Hwan Oh ,  Ji Hyun Ka ,  Ki Myeong Eom ,  Hai Jung In ,  Jin Jeon ,  Won Kyu Kwak ,  Hyun Lee ,  Hwan Soo Jang ,  Jin Tae Jeong

IPC: G09G3/20 ,  G09G3/3266

Abstract: A display device includes pixels coupled to first scan lines, second scan lines, emission control lines, and data lines; a first scan driver to supply a scan signal to each of the first scan lines at a first frequency to drive the display device at a first driving frequency, and to supply the scan signal to each of the first scan lines at a second frequency to drive the display device at a second driving frequency lower than the first driving frequency; a second scan driver to supply a scan signal to each of the second scan lines at the first frequency to drive the display device at the first driving frequency, and to supply the scan signal to each of the second scan lines at the second frequency to drive the display device at the second driving frequency; an emission driver to supply an emission control signal to each of the emission control lines at the first frequency; and a data driver to supply a data signal to each of the data lines in response to the scan signal supplied to each of the first scan lines.

公开(公告)号：US11004371B2

公开(公告)日：2021-05-11

申请号：US16669734

申请日：2019-10-31

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Kwang Sae Lee ,  Won Kyu Kwak ,  Ki Myeong Eom

IPC: G09G3/3291 ,  G09G3/00 ,  G06F1/16

Abstract: A display device includes a display area configured to include a plurality of pixels and a plurality of data lines connected to the pixels. A hole area is disposed within the display area. A hole crack detection line is disposed adjacent to the hole area and surrounds the hole area. The device includes first and second detection lines which include first and second detection transfer lines and first and second detection receiving lines, respectively. A test controller electrically connects the first detection receiving line to a first data line and the second detection receiving line to a second data line. Pixels connected to the first data line that is connected to a first bright-line transistor and pixels connected to the second data line that is connected to a second bright-line transistor are configured to emit light when a crack occurs in the hole crack detection line.

公开(公告)号：US20200265783A1

公开(公告)日：2020-08-20

申请号：US16793404

申请日：2020-02-18

Applicant: SAMSUNG DISPLAY CO.,LTD.

Inventor： Kwang Sae Lee ,  Won Kyu Kwak ,  Ki Myeong Eom

IPC: G09G3/3266 ,  G09G3/00 ,  G09G3/3241 ,  H01L27/32

Abstract: A display device includes a display panel including an opening and a plurality of pixels that display an image, a crack detection line disposed along a periphery of the opening, and a plurality of data lines connected to the plurality of pixels. The crack detection line is connected to one of the plurality of data lines, and detects a crack at the periphery of the opening through a single pixel array connected to the one of the plurality of data lines.

公开(公告)号：US10090371B2

公开(公告)日：2018-10-02

申请号：US15630632

申请日：2017-06-22

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Mi Hae Kim ,  Min Ho Ko ,  Seung Woo Sung ,  Ki Myeong Eom ,  Jin Jeon

IPC: H01L27/32 ,  G09G3/3233 ,  H01L29/786

Abstract: An organic light emitting diode display includes a plurality of pixels. At least one pixel is connected to a scan line receive a scan signal, a data line to receive a data signal, and voltage line to receive a driving voltage. The at least one pixel includes a switching transistor including a switching drain electrode to output the data voltage, a driving transistor including a driving source electrode connected to the switching drain electrode, and an organic light emitting diode connected to a driving drain electrode of the driving transistor. The driving source electrode is separated from the data line.

公开(公告)号：US10008158B2

公开(公告)日：2018-06-26

申请号：US15199107

申请日：2016-06-30

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jin Woo Park ,  Dong Hwan Kim ,  Ki Myeong Eom

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

CPC classification number: G09G3/3291 ,  G09G3/3233 ,  G09G3/3266 ,  G09G2300/0809 ,  G09G2300/0861 ,  G09G2310/027 ,  G09G2310/0283

Abstract: An organic light-emitting display device includes an organic light-emitting display panel displaying an image that includes a plurality of frames, a data driver providing a plurality of data signals, which correspond to the image, to the organic light-emitting display panel, and a gamma voltage generator providing a gamma voltage, which varies in a same period as each of the frames, to the data driver.

公开(公告)号：US20170365651A1

公开(公告)日：2017-12-21

申请号：US15679870

申请日：2017-08-17

Applicant: Samsung Display Co., Ltd.

Inventor： Seung-Kyu Lee ,  Chae Han Hyun ,  Ki Myeong Eom

IPC: H01L27/32 ,  H01L29/786

CPC classification number: H01L27/3262 ,  H01L27/1255 ,  H01L27/3265 ,  H01L27/3276 ,  H01L29/78696

Abstract: An organic light-emitting diode display is disclosed. The display includes a semiconductor layer formed over a substrate, a scan line formed over the semiconductor layer and configured to provide a scan signal, and a light emission control line formed over the semiconductor layer and configured to provide a light emission control signal. The display includes a data line configured to provide a data voltage and a driving voltage line configured to provide a driving voltage, wherein the driving voltage line crosses the scan line and is electrically insulated from the scan line. A switching transistor is electrically connected to the scan line and the data line and includes a switching drain electrode. A driving transistor includes a driving source electrode electrically connected to the switching drain electrode. Any one of the semiconductor layer and the light emission control line includes an extension at least partially overlapping the data line.

公开(公告)号：US09761646B2

公开(公告)日：2017-09-12

申请号：US14939819

申请日：2015-11-12

Applicant: Samsung Display Co., Ltd.

Inventor： Seung-Kyu Lee ,  Chae Han Hyun ,  Ki Myeong Eom

IPC: H01L27/32 ,  H01L29/786

CPC classification number: H01L27/3262 ,  H01L27/1255 ,  H01L27/3265 ,  H01L27/3276 ,  H01L29/78696

Abstract: An organic light-emitting diode display is disclosed. The display includes a semiconductor layer formed over a substrate, a scan line formed over the semiconductor layer and configured to provide a scan signal, and a light emission control line formed over the semiconductor layer and configured to provide a light emission control signal. The display includes a data line configured to provide a data voltage and a driving voltage line configured to provide a driving voltage, wherein the driving voltage line crosses the scan line and is electrically insulated from the scan line. A switching transistor is electrically connected to the scan line and the data line and includes a switching drain electrode. A driving transistor includes a driving source electrode electrically connected to the switching drain electrode. Any one of the semiconductor layer and the light emission control line includes an extension at least partially overlapping the data line.

公开(公告)号：US12262610B2

公开(公告)日：2025-03-25

申请号：US18419083

申请日：2024-01-22

Applicant: Samsung Display Co., Ltd.

Inventor： Mi Hae Kim ,  Min Ho Ko ,  Seung Woo Sung ,  Ki Myeong Eom ,  Jin Jeon

IPC: H10K59/131 ,  G09G3/3225 ,  G09G3/3233 ,  H10K59/121 ,  H10K59/124 ,  H01L29/786

Abstract: An organic light emitting diode display includes a plurality of pixels. At least one pixel is connected to a scan line receive a scan signal, a data line to receive a data signal, and voltage line to receive a driving voltage. The at least one pixel includes a switching transistor including a switching drain electrode to output the data voltage, a driving transistor including a driving source electrode connected to the switching drain electrode, and an organic light emitting diode connected to a driving drain electrode of the driving transistor. The driving source electrode is separated from the data line.

公开(公告)号：US11881148B2

公开(公告)日：2024-01-23

申请号：US17953288

申请日：2022-09-26

Applicant: Samsung Display Co., Ltd.

Inventor： Kyong Hwan Oh ,  Ji Hyun Ka ,  Ki Myeong Eom ,  Hai Jung In ,  Jin Jeon ,  Won Kyu Kwak ,  Hyun Lee ,  Hwan Soo Jang ,  Jin Tae Jeong

IPC: G09G3/3233 ,  G09G3/20

CPC classification number: G09G3/2092 ,  G09G3/3233 ,  G09G2310/0251 ,  G09G2310/0267 ,  G09G2310/0275 ,  G09G2310/08 ,  G09G2340/0435

Abstract: A display device includes pixels coupled to first scan lines, second scan lines, emission control lines, and data lines; a first scan driver to supply a scan signal to each of the first scan lines at a first frequency to drive the display device at a first driving frequency, and to supply the scan signal to each of the first scan lines at a second frequency to drive the display device at a second driving frequency lower than the first driving frequency; a second scan driver to supply a scan signal to each of the second scan lines at the first frequency to drive the display device at the first driving frequency, and to supply the scan signal to each of the second scan lines at the second frequency to drive the display device at the second driving frequency; an emission driver to supply an emission control signal to each of the emission control lines at the first frequency; and a data driver to supply a data signal to each of the data lines in response to the scan signal supplied to each of the first scan lines.

公开(公告)号：US11881131B2

公开(公告)日：2024-01-23

申请号：US16972918

申请日：2019-06-04

Applicant: Samsung Display Co., LTD.

Inventor： Kwang Sae Lee ,  Ji-Hyun Ka ,  Won Kyu Kwak ,  Hwa Young Song ,  Ki Myeong Eom

IPC: G09G3/00 ,  G09G3/20

CPC classification number: G09G3/006 ,  G09G3/20 ,  G09G2310/0275 ,  G09G2330/12

Abstract: A display device includes a substrate including a display area and a non-display area disposed near the display area, a plurality of pixels disposed in the display area, a plurality of signal lines disposed on the substrate and connected to the pixels, and a pad portion disposed in the non-display area and including a plurality of pads. The signal lines include a first crack detecting line connected to a first test voltage pad and a first pad at a first node, connected to a second pad at a second node, and extending around the non-display area between the first node and the second node, as well as a first data line including a first end connected to a first transistor connected to the first crack detecting line at the second node, and a second end connected to corresponding pixels from among the plurality of pixels.