公开(公告)号：US12087228B2

公开(公告)日：2024-09-10

申请号：US18123334

申请日：2023-03-20

Applicant: Samsung Display Co., Ltd. ,  Industry-University Cooperation Foundation Hanyang University

Inventor： Chong-Chul Chai ,  Oh-Kyong Kwon ,  Nack-Hyeon Keum ,  Kyong-Hwan Oh ,  Young-Wan Seo ,  Yong-Koo Her ,  In-Jae Hwang

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

CPC classification number: G09G3/3258 ,  G09G3/3233 ,  G09G3/3266 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0866 ,  G09G2310/063 ,  G09G2320/02 ,  G09G2320/043 ,  G09G2330/021

Abstract: A display apparatus includes a plurality of pixels. A pixel includes a first capacitor connected between a first voltage line receiving a first 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 (wherein, ‘m’ is a natural number) and a second transistor comprising a control electrode connected to an n-th scan line (wherein, ‘n’ is a natural number), a first electrode connected to the first node and a second electrode connected to the second node.

公开(公告)号：US11030952B2

公开(公告)日：2021-06-08

申请号：US16734709

申请日：2020-01-06

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 ,  H01L27/32

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：US10540927B2

公开(公告)日：2020-01-21

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 ,  H01L27/32

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：US11164525B2

公开(公告)日：2021-11-02

申请号：US16908803

申请日：2020-06-23

Applicant: Samsung Display Co., Ltd. ,  Industry-University Cooperation Foundation Hanyang University

Inventor： Chong-Chul Chai ,  Oh-Kyong Kwon ,  Nack-Hyeon Keum ,  Kyong-Hwan Oh ,  Young-Wan Seo ,  Yong-Koo Her ,  In-Jae Hwang

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

Abstract: A display apparatus includes a plurality of pixels. A pixel includes a first capacitor connected between a first voltage line receiving a first 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 (wherein, ‘m’ is a natural number) and a second transistor comprising a control electrode connected to an n-th scan line (wherein, ‘n’ is a natural number), a first electrode connected to the first node and a second electrode connected to the second node.

公开(公告)号：US10311793B2

公开(公告)日：2019-06-04

申请号：US15400465

申请日：2017-01-06

Applicant: Samsung Display Co., Ltd. ,  Industry-University Cooperation Foundation Hanyang University

Inventor： Chong-Chul Chai ,  Oh-Kyong Kwon ,  Nack-Hyeon Keum ,  Kyong-Hwan Oh ,  Young-Wan Seo ,  Yong-Koo Her ,  In-Jae Hwang

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

Abstract: A display apparatus includes a plurality of pixels. A pixel includes a first capacitor connected between a first voltage line receiving a first 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 (wherein, ‘m’ is a natural number) and a second transistor comprising a control electrode connected to an n-th scan line (wherein, ‘n’ is a natural number), a first electrode connected to the first node and a second electrode connected to the second node.

公开(公告)号：US11328667B2

公开(公告)日：2022-05-10

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 ,  H01L27/32

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：US10964267B2

公开(公告)日：2021-03-30

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：US10733938B2

公开(公告)日：2020-08-04

申请号：US16391142

申请日：2019-04-22

Applicant: Samsung Display Co., Ltd. ,  Industry-University Cooperation Foundation Hanyang University

Inventor： Chong-Chul Chai ,  Oh-Kyong Kwon ,  Nack-Hyeon Keum ,  Kyong-Hwan Oh ,  Young-Wan Seo ,  Yong-Koo Her ,  In-Jae Hwang

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

Abstract: A display apparatus includes a plurality of pixels. A pixel includes a first capacitor connected between a first voltage line receiving a first 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 (wherein, ‘m’ is a natural number) and a second transistor comprising a control electrode connected to an n-th scan line (wherein, ‘n’ is a natural number), a first electrode connected to the first node and a second electrode connected to the second node.

公开(公告)号：US10665166B2

公开(公告)日：2020-05-26

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：US11610547B2

公开(公告)日：2023-03-21

申请号：US17449642

申请日：2021-09-30

Applicant: Samsung Display Co., Ltd. ,  Industry-University Cooperation Foundation Hanyang University

Inventor： Chong-Chul Chai ,  Oh-Kyong Kwon ,  Nack-Hyeon Keum ,  Kyong-Hwan Oh ,  Young-Wan Seo ,  Yong-Koo Her ,  In-Jae Hwang

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

Abstract: A display apparatus includes a plurality of pixels. A pixel includes a first capacitor connected between a first voltage line receiving a first 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 (wherein, ‘m’ is a natural number) and a second transistor comprising a control electrode connected to an n-th scan line (wherein, ‘n’ is a natural number), a first electrode connected to the first node and a second electrode connected to the second node.