公开(公告)号：US20200302870A1

公开(公告)日：2020-09-24

申请号：US16821490

申请日：2020-03-17

Applicant: Samsung Display Co., Ltd.

Inventor： Hwan Soo JANG

IPC: G09G3/3258

Abstract: A stage circuit including: an output circuit for supplying a voltage of a first or second power supply to an output terminal in response to voltages of first and second nodes; an input circuit for controlling voltages of the second node and a third node; a first signal processor for controlling the voltage of the first node; a second signal processor configured to control the voltage of the first node in response to an output voltage of a third signal processor and a signal supplied to a third input terminal; and the third signal processor for controlling the voltage of the second node. The third signal processor includes: a third capacitor coupled between the first power supply and the second node; and a third transistor coupled between the first power supply and the third input terminal, and including a gate electrode coupled to the second node.

公开(公告)号：US20180174525A1

公开(公告)日：2018-06-21

申请号：US15845907

申请日：2017-12-18

Applicant: Samsung Display Co., Ltd.

Inventor： Tae Hoon KIM ,  Ji Hyun KA ,  Hwan Soo JANG ,  Jin Tae JEONG ,  Min Woo BYUN

IPC: G09G3/3291 ,  G09G3/3283

CPC classification number: G09G3/3291 ,  G09G3/3266 ,  G09G3/3283 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2310/0216 ,  G09G2310/0221 ,  G09G2320/02 ,  G09G2320/0233 ,  G09G2330/02 ,  G09G2330/021

Abstract: A display device includes: a first pixel region including first pixels, each of the first pixels including a driving transistor to be initialized by a first initialization power source supplied from a first power line; a second pixel region including second pixels, each of the second pixels including a driving transistor to be initialized by a second initialization power source supplied from a second power line; and a power supplier to supply the first initialization power source and the second initialization power source, the first initialization power source and the second initialization power source having a same voltage level when the display device is driven in a first mode, and the first initialization power source and the second initialization power source having different voltage levels during at least one frame period when the display device is driven in a second mode.

公开(公告)号：US20250014519A1

公开(公告)日：2025-01-09

申请号：US18895664

申请日：2024-09-25

Applicant: Samsung Display Co., LTD.

Inventor： Hwan Soo JANG

IPC: G09G3/3258

Abstract: A stage circuit including: an output circuit for supplying a voltage of a first or second power supply to an output terminal in response to voltages of first and second nodes; an input circuit for controlling voltages of the second node and a third node; a first signal processor for controlling the voltage of the first node; a second signal processor configured to control the voltage of the first node in response to an output voltage of a third signal processor and a signal supplied to a third input terminal; and the third signal processor for controlling the voltage of the second node. The third signal processor includes: a third capacitor coupled between the first power supply and the second node; and a third transistor coupled between the first power supply and the third input terminal, and including a gate electrode coupled to the second node.

公开(公告)号：US20230276670A1

公开(公告)日：2023-08-31

申请号：US18143410

申请日：2023-05-04

Applicant: Samsung Display Co., Ltd.

Inventor： Sang Moo CHOI ,  Mi Hae KIM ,  Sang Won SEOK ,  Hwan Soo JANG ,  Su Jin LEE

IPC: H10K59/131 ,  G09G3/3258 ,  H10K50/818 ,  H10K50/828 ,  H10K59/122 ,  H10K59/124

CPC classification number: H10K59/131 ,  G09G3/3258 ,  H10K50/818 ,  H10K50/828 ,  H10K59/122 ,  H10K59/124 ,  G09G3/3266

Abstract: An organic light emitting display device includes a substrate having a display area and a peripheral area; a pad disposed on the substrate in the peripheral area; a first conductive pattern disposed on one side of the display area in the peripheral area and electrically connected to the pad; a second conductive pattern disposed on the substrate in the peripheral area and disposed on an opposite side of the first conductive pattern; a first connection electrode disposed on the first conductive pattern in the peripheral area and electrically connected to the first conductive pattern; and a second connection electrode disposed on the second conductive pattern in the peripheral area and electrically connected to the second conductive pattern. A cathode electrode of a light emitting diode is disposed on the first and second connection electrodes and electrically connected to the first and second connection electrodes.

公开(公告)号：US20230018432A1

公开(公告)日：2023-01-19

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: G09G3/20

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：US20220238067A1

公开(公告)日：2022-07-28

申请号：US17517087

申请日：2021-11-02

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Ae PARK ,  Hwan Soo JANG ,  Kyong Hwan OH

IPC: G09G3/32

Abstract: A display device includes: a plurality of scan lines; and a plurality of sub-pixels, each of the sub-pixels comprising a driving transistor, a plurality of transistors connected to the plurality of scan lines, and a light-emitting element electrically connected to the driving transistor. Each of the sub-pixels comprises an active layer comprising a channel region, a first electrode, and a second electrode of each of the plurality of transistors. A first scan line among the plurality of scan lines comprises a first extension extended in a first direction and a first protrusion extended in a second direction intersecting the first direction. The active layer overlaps with the first protrusion in a plan view.

公开(公告)号：US20210158760A1

公开(公告)日：2021-05-27

申请号：US16899664

申请日：2020-06-12

Applicant: Samsung Display Co., Ltd.

Inventor： Hwan Soo JANG

IPC: G09G3/3266 ,  G09G3/3291

Abstract: Provided herein is a scan driver including scan stages. A first scan stage includes a first transistor including a gate electrode coupled to a first node, a first electrode coupled to a first power clock line, and a second electrode coupled to a first scan line; a first capacitor connected between the first node and the first scan line; a second transistor including a gate electrode coupled to a second node, a first electrode coupled to the first scan line, and a second electrode coupled to a first power line; a third transistor including a gate electrode coupled to the second node, a first electrode coupled to a third node, and a second electrode coupled to a first control clock line; and a second capacitor connected between the second node and the third node.