公开(公告)号：US20190311662A1

公开(公告)日：2019-10-10

申请号：US16256963

申请日：2019-01-24

Applicant: Samsung Display Co., Ltd.

Inventor： Hyunwoong KIM ,  Seung-Kyu Lee

IPC: G09G3/00 ,  G09G3/20

Abstract: A display panel may include a plurality of pixel groups, a first lighting test circuit for testing at least one pixel of the plurality of pixel groups, a demultiplexer for providing data signals to the plurality of pixel groups, and a second lighting test circuit for testing one or more pixels of the plurality of pixel groups. At least one of the first lighting test circuit and the demultiplexer is positioned between the plurality of pixel groups and the second lighting test circuit.

公开(公告)号：US10373565B2

公开(公告)日：2019-08-06

申请号：US15438151

申请日：2017-02-21

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Tae-Hoon Kwon ,  Seung-Kyu Lee ,  Seung-Ji Cha

IPC: G09G3/3233 ,  G09G3/3266 ,  G09G3/3275

Abstract: A display device includes a display panel including a plurality of scan lines, a plurality of data lines, and a plurality of unit pixels. Each unit pixel includes a plurality of sub-pixels, each coupled to a respective data line. The plurality of sub-pixels includes a red sub-pixel, a first green sub-pixel, a blue sub-pixel, and a second green sub-pixel. The display device further includes a data driver configured to output data signals via output channels. The display device additionally includes a plurality of demultiplexers configured to selectively connect data signals output from the output channels to the plurality of sub-pixels in response to a plurality of select signals that are sequentially provided to the plurality of demultiplexers. The display device further includes a scan driver configured to provide scan signals to the unit pixels through the scan lines, and a timing controller.

公开(公告)号：US20190228707A1

公开(公告)日：2019-07-25

申请号：US16255636

申请日：2019-01-23

Applicant: Samsung Display Co., Ltd.

Inventor： Jong Won PARK ,  Seung-Kyu Lee ,  Hyun Woong Kim

IPC: G09G3/3233 ,  G09G3/3258

Abstract: A display device includes: an organic light emitting diode (OLED); a pixel circuit configured to control an amount of a current flowing from a first power voltage to the OLED; and a gate line and a data line that are connected to the pixel circuit, the pixel circuit including: an auxiliary transistor including a gate electrode electrically connected to the data line and a first electrode and a second electrodes connected to the gate line, the first electrode and the second electrode of the auxiliary transistor being electrically connected to each other.

公开(公告)号：US10157969B2

公开(公告)日：2018-12-18

申请号：US15628299

申请日：2017-06-20

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Tae Hoon Kwon ,  Won Kyu Kwak ,  Kwang-Min Kim ,  Hey Jin Shin ,  Seung-Kyu Lee

IPC: H01L27/00 ,  H01L27/32 ,  H01L51/00

Abstract: A display device includes a substrate having a first region in which an image is displayed, a second region in which an image is not displayed, and a bending region connecting the first region and the second region. The bending region is configured to bend along a bending axis which extends in a first direction. A plurality of pad terminals is disposed within the second region. A first width of the bending region, measured along the first direction, is narrower than a second width of the second region, measured along the first direction.

公开(公告)号：US20180233520A1

公开(公告)日：2018-08-16

申请号：US15951418

申请日：2018-04-12

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hey Jin Shin ,  Won Kyu Kwak ,  Seung-Kyu Lee

IPC: H01L27/12

CPC classification number: H01L27/1244 ,  H01L27/1218

Abstract: A display device including: a substrate including a display area for displaying an image and a non-display area positioned at a periphery of the display area; a plurality of pixels positioned at the display area; a plurality of data lines connected with the plurality of pixels; and a crack detecting line positioned at the non-display area, wherein the crack detecting line includes: a plurality of unit connectors extending in a first direction, wherein the first direction is parallel to an extending direction of a side of the substrate nearest to the unit connectors; and a plurality of wiring portion units connected to each other through the plurality of unit connectors, wherein the number of wiring portion units is an even number.

公开(公告)号：US20180226430A1

公开(公告)日：2018-08-09

申请号：US15939870

申请日：2018-03-29

Applicant: Samsung Display Co., Ltd.

Inventor： Seung-Kyu Lee ,  Tae Hoon Kwon ,  Ji-Hyun Ka

IPC: H01L27/12 ,  G09G3/36 ,  G02F1/1345 ,  G02F1/1362

CPC classification number: H01L27/124 ,  G02F1/1345 ,  G02F1/13458 ,  G02F1/136286 ,  G02F2001/13629 ,  G09G3/36 ,  G09G3/3648 ,  G09G2300/0408 ,  G09G2300/0426 ,  G09G2320/0209 ,  G09G2320/0223 ,  H01L27/1218 ,  H01L27/1244 ,  H01L27/1248

Abstract: Disclosed is a display device including: a substrate including a display area for displaying an image and a peripheral area neighboring the display area; a plurality of signal lines formed in the display area; a pad formed in the peripheral area; and a plurality of connection wires for connecting the signal lines and the pad, wherein a first connection wire and a second connection wire neighboring the first connection wire from among the plurality of connection wires are disposed on different layers, and the first connection wire and the second connection wire, which are formed to extend from the pad and are bent at least twice to have at least one being bent toward backward direction, are disposed in the peripheral area.

公开(公告)号：US20180175128A1

公开(公告)日：2018-06-21

申请号：US15895816

申请日：2018-02-13

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：US09978781B2

公开(公告)日：2018-05-22

申请号：US15465862

申请日：2017-03-22

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hey Jin Shin ,  Won Kyu Kwak ,  Seung-Kyu Lee

IPC: H01L29/49 ,  H01L27/12

CPC classification number: H01L27/1244 ,  H01L27/1218

Abstract: A display device including: a substrate including a display area for displaying an image and a non-display area positioned at a periphery of the display area; a plurality of pixels positioned at the display area; a plurality of data lines connected with the plurality of pixels; and a crack detecting line positioned at the non-display area, wherein the crack detecting line includes: a plurality of unit connectors extending in a first direction, wherein the first direction is parallel to an extending direction of a side of the substrate nearest to the unit connectors; and a plurality of wiring portion units connected to each other through the plurality of unit connectors, wherein the number of wiring portion units is an even number.

公开(公告)号：US09837022B2

公开(公告)日：2017-12-05

申请号：US14960945

申请日：2015-12-07

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Seung-Kyu Lee ,  Kwang-Min Kim ,  Byoung Sun Kim

IPC: G09G3/32 ,  G09G3/3258 ,  G02F1/1345 ,  G09G3/20 ,  H01L27/32

CPC classification number: G09G3/3258 ,  G02F1/13454 ,  G02F2201/56 ,  G09G3/20 ,  G09G2300/0408 ,  G09G2300/0426 ,  G09G2310/0264 ,  G09G2310/0281 ,  H01L27/3276

Abstract: A display includes a plurality of pixels in a non-quadrangular display area and a plurality of first driving circuits and a plurality of second driving circuits in a peripheral area of the display area. Each of the pixels is connected to a first signal line in a first direction and a second signal line in a second direction crossing the first direction. Each of the first driving circuits outputs a first signal to the first signal line of a corresponding one of the pixels. Each of the second driving circuits outputs a second signal to the second signal line of a corresponding one of the pixels. The number of second driving circuits between neighboring first driving circuits is different depending on a position in the peripheral area.

公开(公告)号：US09508299B2

公开(公告)日：2016-11-29

申请号：US14328223

申请日：2014-07-10

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Seung-Kyu Lee ,  Youn-Hak Jeong ,  Jang-Bog Ju ,  Pil-Gyu Kang ,  Se-Jin Kim

IPC: G09G3/36

CPC classification number: G09G3/3648 ,  G09G3/3614 ,  G09G3/3696 ,  G09G2300/0426 ,  G09G2300/0447 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2310/0251 ,  G09G2320/0209

Abstract: A method of driving a display panel includes providing a boosting voltage line on the display panel with a boosting voltage, compensating the boosting voltage based on a feedback boosting voltage received from the display panel, and providing the boosting voltage line on the display panel with the compensated boosting voltage. The display panel includes a first sub pixel. The first sub pixel includes a first switching element and a first boosting switching element, the first switching element is connected to a first liquid crystal (LC) capacitor, a gate line, an m-th data line and a first electrode of the first LC capacitor, and the first boosting switching element is connected to the boosted voltage line, and ‘m’ is a natural number.

Abstract translation: 一种驱动显示面板的方法包括：在升压电压下在显示面板上提供升压电压线，根据从显示面板接收的反馈升压电压补偿升压电压，并在显示面板上提供升压电压线， 补偿升压电压。 显示面板包括第一子像素。 第一子像素包括第一开关元件和第一升压开关元件，第一开关元件连接到第一液晶（LC）电容器，栅极线，第m数据线和第一LC的第一电极 电容器，并且第一升压开关元件连接到升压电压线，并且“m”是自然数。