公开(公告)号：US20150116387A1

公开(公告)日：2015-04-30

申请号：US14517966

申请日：2014-10-20

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Byung-Geun JUN ,  Min-Cheol KIM ,  In-Hwan KIM ,  An-Su LEE ,  Sang-Kyun CHO

IPC: G09G3/34 ,  G09G3/00

CPC classification number: G09G3/20 ,  G09G2320/0673 ,  G09G2360/147

Abstract: A luminance correction system includes a display device including a display unit with a plurality of first pixels, a plurality of second pixels, and a plurality of third pixels, and a data driver configured to supply a data signal to the plurality of first through third pixels, an image pickup unit configured to generate a first image of first pixels which emit light by receiving a data signal corresponding to gray scale value A, and to generate a second image of the first pixels which emit light by receiving a data signal corresponding to gray scale value B, and a luminance measuring unit configured to measure a first luminance of a pixel to be corrected among the first pixels in the first image, and to measure a second luminance of the pixel to be corrected in the second image.

Abstract translation: 亮度校正系统包括：显示装置，包括具有多个第一像素的显示单元，多个第二像素和多个第三像素;以及数据驱动器，被配置为向多个第一至第三像素提供数据信号 图像拾取单元，被配置为通过接收与灰度值A相对应的数据信号来生成发光的第一像素的第一图像，并且生成通过接收对应于灰色的数据信号而发光的第一像素的第二图像 比例值B和亮度测量单元，被配置为测量第一图像中的第一像素之间要校正的像素的第一亮度，并测量第二图像中要校正的像素的第二亮度。

公开(公告)号：US20200279532A1

公开(公告)日：2020-09-03

申请号：US16877816

申请日：2020-05-19

Applicant: Samsung Display Co., LTD.

Inventor： Jun-Hyun PARK ,  Young-Wan SEO ,  An-Su LEE ,  Bo-Yong CHUNG ,  Kang-Moon JO ,  Chong-Chul CHAI

IPC: G09G3/3258 ,  G09G3/3233 ,  G09G3/3266 ,  G09G3/3275

Abstract: A pixel includes first, second, and third transistors, first and second capacitors, and an organic light emitting diode. The first transistor has a gate electrode connected to a first node, a first electrode that receives a first power voltage, and a second electrode connected to a second node. The second transistor has a gate electrode that receives a scan signal, a first electrode connected to the first node, and a second electrode connected to a third node. The third transistor has a gate electrode that receives a common control signal, a first electrode connected to the third node, and a second electrode connected to the second node. The organic light emitting diode has a first electrode connected to the second node and a second electrode that receives a second power voltage.

公开(公告)号：US20180226028A1

公开(公告)日：2018-08-09

申请号：US15726472

申请日：2017-10-06

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jun-Hyun PARK ,  Young-Wan SEO ,  An-Su LEE ,  Bo-Yong CHUNG ,  Kang-Moon JO ,  Chong-Chul CHAI

IPC: G09G3/3258 ,  G09G3/3233 ,  G09G3/3266 ,  G09G3/3275

Abstract: A pixel for a display panel includes first and second transistors, first and second capacitors, and an organic light emitting diode. The first transistor has a gate electrode connected to a first node, a first electrode connected to a first power source, and a second electrode connected to a second node. The second transistor has a gate electrode connected to a scan line, a first electrode connected to the first node, and a second electrode connected to the second node. The organic light emitting diode has a first electrode connected to the second node and a second electrode connected to a second power source. The first capacitor has a first electrode connected to a third power source and a second electrode connected to the first node. The second capacitor has a first electrode connected to a data line and a second electrode connected to the second node.

公开(公告)号：US20210256907A1

公开(公告)日：2021-08-19

申请号：US17313471

申请日：2021-05-06

Applicant: Samsung Display Co., LTD.

Inventor： Jun-Hyun PARK ,  Young-Wan SEO ,  An-Su LEE ,  Bo-Yong CHUNG ,  Kang-Moon JO ,  Chong-Chul CHAI

IPC: G09G3/3233 ,  H01L51/52 ,  G09G3/3258

Abstract: A display panel driver drives pixels based on first power having at least three voltage levels, second power having a constant voltage, and third power having two voltage levels. Each pixel includes a first transistor connected between first and second nodes and including a gate electrode to receive a scan signal, a second transistor connected between the second node and a third node in series with the first transistor and including a gate electrode to receive the third power, and a driving transistor connected between a source of the first power and the third node and including a gate electrode connected to the first electrode to control a driving current for an organic light emitting diode. A first capacitor is connected between a source of the third power and the first node, and a second capacitor is connected between the second node and one of the data lines.

公开(公告)号：US20180166010A1

公开(公告)日：2018-06-14

申请号：US15645567

申请日：2017-07-10

Applicant: Samsung Display Co., Ltd.

Inventor： Jun-Hyun PARK ,  An-Su LEE ,  Bo-Yong CHUNG ,  Chong-Chul CHAI

IPC: G09G3/3233 ,  G09G3/3266

CPC classification number: G09G3/3233 ,  G09G3/3258 ,  G09G3/3266 ,  G09G3/3275 ,  G09G2300/0426 ,  G09G2320/0209 ,  G09G2320/0233 ,  G09G2330/02

Abstract: A display apparatus includes a plurality of pixels. Each pixel includes a first capacitor connected between a first voltage line receiving a driving signal and a first node; a first transistor comprising a control electrode connected to the first node, a first electrode connected to a second voltage line receiving a first power source signal, and a second electrode connected to a second node; an organic light emitting diode comprising an anode electrode connected to the second node and a cathode electrode receiving a second power source signal; a second capacitor connected between an m-th data line and the second node; a second transistor comprising a control electrode connected to an n-th gate line, a first electrode connected to the first node, and a second electrode connected to the second node;and a third transistor comprising a control electrode connected to an n-th scan line, a first electrode connected to the first voltage line, and a second electrode connected to the second node.

公开(公告)号：US20220415992A1

公开(公告)日：2022-12-29

申请号：US17623239

申请日：2019-11-29

Applicant: Samsung Display Co., LTD.

Inventor： Jun-Hyun PARK ,  Dong-Woo KIM ,  An-Su LEE ,  Kang-Moon JO

IPC: H01L27/32

Abstract: A display device including a substrate, a first upper power line, a conductive member, a protective insulating layer, an upper connection member, and a sub-pixel structure. The upper connection member is disposed in a first pad area and a first peripheral area on a planarization layer, and electrically connects the first upper power line and the conductive member through a first contact hole, which is formed in the protective insulating layer and the planarization layer located on the conductive member, and a second contact hole, which is formed in the protective insulating layer and the planarization layer located on the first upper power line.

公开(公告)号：US20180226029A1

公开(公告)日：2018-08-09

申请号：US15696734

申请日：2017-09-06

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jun-Hyun PARK ,  An-Su LEE ,  Ji-Hye LEE ,  Bo-Yong CHUNG ,  Kang-Moon JO ,  Chong-Chul CHAI

IPC: G09G3/3266 ,  G09G3/3291 ,  G09G3/3258

CPC classification number: G09G3/3266 ,  G09G3/3233 ,  G09G3/3258 ,  G09G3/3291 ,  G09G2300/0809 ,  G09G2300/0814 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0866 ,  G09G2310/0208 ,  G09G2310/0213 ,  G09G2310/0243 ,  G09G2310/0262 ,  G09G2310/062 ,  G09G2310/08 ,  G09G2320/0233 ,  G09G2330/028

Abstract: A pixel includes first to fourth transistors and a driving transistor. The first transistor is connected between a data line and a first node and has a gate electrode to receive a scan signal. The driving transistor is connected between the first node and a second node and has a gate electrode connected to a third node. The second transistor is connected between the second and third nodes and has a gate electrode to receive the scan signal. The third transistor is connected between first power and the first node and has a gate electrode to receive an emission signal. The fourth transistor is connected between the first and second nodes and has a gate electrode to receive an initialization signal. An organic light emitting diode is connected between the second node and second power. A storage capacitor is connected between the first power and third node.

公开(公告)号：US20180226023A1

公开(公告)日：2018-08-09

申请号：US15862944

申请日：2018-01-05

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jun-Hyun PARK ,  Young-Wan SEO ,  An-Su LEE ,  Bo-Yong CHUNG ,  Kang-Moon JO ,  Chong-Chul CHAI

IPC: G09G3/3233 ,  H01L51/52 ,  G09G3/3258

Abstract: A display panel driver drives pixels based on first power having at least three voltage levels, second power having a constant voltage, and third power having two voltage levels. Each pixel includes a first transistor connected between first and second nodes and including a gate electrode to receive a scan signal, a second transistor connected between the second node and a third node in series with the first transistor and including a gate electrode to receive the third power, and a driving transistor connected between a source of the first power and the third node and including a gate electrode connected to the first electrode to control a driving current for an organic light emitting diode. A first capacitor is connected between a source of the third power and the first node, and a second capacitor is connected between the second node and one of the data lines.