公开(公告)号：US12217699B2

公开(公告)日：2025-02-04

申请号：US18502554

申请日：2023-11-06

Applicant: Samsung Display Co., Ltd.

Inventor： Gyungsoon Park ,  Sunhwa Lee ,  Hyunjoon Kim ,  Jaeyong Jang ,  Kyunghoon Chung

IPC: G09G3/3266 ,  G09G3/36 ,  H10K59/121 ,  H10K59/123 ,  H10K59/131

Abstract: A display apparatus includes a pixel part including a plurality of pixels, and a gate driving circuit. Each of the plurality of pixels is driven in one first scan period and one or more second scan periods during one frame in a driving mode driven at a first driving frequency lower than a maximum driving frequency.

公开(公告)号：US12175921B2

公开(公告)日：2024-12-24

申请号：US17734320

申请日：2022-05-02

Applicant: SAMSUNG DISPLAY CO., LTD. ,  IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)

Inventor： Oh-Kyong Kwon ,  Minjae Jeong ,  Kyunghoon Chung

IPC: G09G3/32

Abstract: A display device is provided including a display panel. A pixel of the display panel includes a light emitting element, first through sixth transistors, and a capacitor. The first transistor is connected between a power line and the light emitting element and operates depending on a potential of a first node. The second transistor is connected between a data line and a second node. The capacitor is connected between the first node and the second node. The third transistor is connected between the first transistor and the first node. The fourth transistor is connected between the first node and a reference voltage line. The fifth transistor is connected between the second node and the reference voltage line. The sixth transistor is connected between the power line and the second node.

公开(公告)号：US11723248B2

公开(公告)日：2023-08-08

申请号：US17352719

申请日：2021-06-21

Applicant: Samsung Display Co., Ltd.

Inventor： Sunhwa Lee ,  Hyeongseok Kim ,  Youngwan Seo ,  Gyungsoon Park ,  Mukyung Jeon ,  Kyunghoon Chung

IPC: H01L21/00 ,  H10K59/131 ,  H10K59/88 ,  H10K59/121 ,  H10K59/122 ,  H10K59/35

CPC classification number: H10K59/131 ,  H10K59/121 ,  H10K59/122 ,  H10K59/88 ,  H10K59/35

Abstract: A display apparatus having a display area enlarged to display an image in an area where a component is arranged includes a substrate including a first area having a transmission portion, and a second area surrounding the first area, a first data line extending in a first direction on the second area, and including a first line and a second line spaced from each other with the first area therebetween, a connection line on the second area, adjacent to, and bypassing, the first area, and including an end connected to the first line, and another end connected to the second line, a pixel circuit on the second area, including a thin-film transistor, and a node connection line electrically connected to the thin-film transistor, and a first pixel electrode above the pixel circuit, wherein the connection line is spaced from the node connection line.

公开(公告)号：US20210026198A1

公开(公告)日：2021-01-28

申请号：US16928177

申请日：2020-07-14

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Minjae Jeong ,  Minkyu Woo ,  Misun Lee ,  Kyunghoon Chung ,  Chongchul Chai ,  Sungchul Hong

IPC: G02F1/13357 ,  G02F1/1345 ,  G09G3/36

Abstract: A backlight device includes a substrate and a plurality of light emitters on the substrate. Each of the plurality of light emitters includes a brightness controller disposed on the substrate, and a pad unit disposed on the substrate. The brightness controller generates a light-emission current, a light-emitting diode is allowed to be disposed on the pad unit, and the light-emitting diode emits light based on the light-emission current.

公开(公告)号：US10553163B2

公开(公告)日：2020-02-04

申请号：US15949363

申请日：2018-04-10

Applicant: Samsung Display Co., Ltd.

Inventor： Kyunghoon Chung ,  Hyunjoon Kim ,  Kyung-Bae Kim

IPC: G09G3/32 ,  G09G3/3266

Abstract: A scan driver includes circuit stages for sequentially outputting scan signals, each one of the circuit stages including a signal generator for generating signals provided at a first node and a third node based on a carry signal and a second clock signal, the signal generator including a (2-1)-th transistor including a control electrode connected to the third node and a first electrode for receiving the second clock signal, and a (2-2)-th transistor including a control electrode for receiving a low driving voltage, a first electrode connected to a second electrode of the (2-1)-th transistor, and a second electrode connected to the first node, a first node controller for applying a boosting voltage to the first node based on a first clock signal, and a pull up/down circuit for pulling the scan signal up/down to a high/low voltage based on a signal applied to a second node.

公开(公告)号：US12183273B2

公开(公告)日：2024-12-31

申请号：US18329776

申请日：2023-06-06

Applicant: Samsung Display Co., LTD. ,  Research & Business Foundation SUNGKYUNKWAN UNIVERSITY

Inventor： Haemin Kim ,  Yong-Sang Kim ,  Kyunghoon Chung ,  Eun Kyo Jung ,  Hwarim Im

IPC: G09G3/3225

Abstract: An emission driver includes stages. At least one of the stages has a carry control node outputting a carry signal and an emission control node outputting an emission signal that are separated. Further, a second low gate voltage may be used that may be lower that a first low gate voltage. Further, transistors between each of the carry and emission control nodes and a second low voltage line transferring the second low gate voltage may have a series two transistor structure. Further, a transistor outputting the second low gate voltage as the carry signal may be repeatedly turned on and off in response to an inverted low clock signal. Accordingly, operation reliability of the emission driver of the display device may be improved.

公开(公告)号：US11373586B2

公开(公告)日：2022-06-28

申请号：US17078378

申请日：2020-10-23

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Minjae Jeong ,  Joonho Lee ,  Keechan Park ,  Kyunghoon Chung ,  Chongchul Chai

IPC: G09G3/32

Abstract: A display panel, a pixel circuit, and a display device are disclosed. The display panel includes sub-pixels and a driver driving the sub-pixels. Each sub-pixel includes: an emission element; a first transistor configured to generate a driving current; a constant current control circuit configured to receive a reference voltage and a bias voltage for setting a value of the driving current and including a first capacitor configured to store a first compensation voltage generated by adding a threshold voltage of the first transistor to a difference between the bias voltage and the reference voltage; and a pulse width control circuit configured to receive a data voltage used to determine an emission duration of the emission element and including a second transistor configured to control a pulse width of the driving current according to the data voltage and a second capacitor configured to store a second compensation voltage corresponding to a threshold voltage of the second transistor.

公开(公告)号：US20160267844A1

公开(公告)日：2016-09-15

申请号：US14936553

申请日：2015-11-09

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Takahiro Senda ,  Kyunghoon Chung

IPC: G09G3/32

CPC classification number: G09G3/3233 ,  G09G3/2018 ,  G09G3/3291 ,  G09G2300/043 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2300/0866 ,  G09G2320/0295 ,  G09G2320/045

Abstract: An organic light-emitting display apparatus includes an organic light-emitting diode, a driving transistor arranged to receive a first driving voltage and to supply a driving current to the organic light-emitting diode, a data line arranged to transfer a sustain voltage and a data voltage, a sensing transistor which is connected to the data line, and which is arranged to transfer the sustain voltage to an anode of the organic light-emitting diode in response to a sensing control signal, a switching transistor which is connected to the data line, and which is arranged to transfer the data voltage to the driving transistor in response to a scan signal, and a data compensation unit arranged to compensate image data according to characteristic information of the organic light-emitting diode, the characteristic information transmitted to the data compensation unit through the sensing transistor and the data line.

Abstract translation: 有机发光显示装置包括：有机发光二极管，被配置为接收第一驱动电压并向有机发光二极管提供驱动电流的驱动晶体管，布置成传送维持电压的数据线和 数据电压，连接到数据线的感测晶体管，并且被配置为响应于感测控制信号将维持电压传送到有机发光二极管的阳极;连接到数据的开关晶体管 线，其被配置为响应于扫描信号将数据电压传送到驱动晶体管;以及数据补偿单元，被配置为根据有机发光二极管的特性信息补偿图像数据，将特征信息发送到 数据补偿单元通过感应晶体管和数据线。

公开(公告)号：US12041831B2

公开(公告)日：2024-07-16

申请号：US18446429

申请日：2023-08-08

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sunhwa Lee ,  Hyeongseok Kim ,  Youngwan Seo ,  Gyungsoon Park ,  Mukyung Jeon ,  Kyunghoon Chung

IPC: H10K59/131 ,  H10K59/121 ,  H10K59/122 ,  H10K59/88 ,  H10K59/35

CPC classification number: H10K59/131 ,  H10K59/121 ,  H10K59/122 ,  H10K59/88 ,  H10K59/35

Abstract: A display apparatus having a display area enlarged to display an image in an area where a component is arranged includes a substrate including a first area having a transmission portion, and a second area surrounding the first area, a first data line extending in a first direction on the second area, and including a first line and a second line spaced from each other with the first area therebetween, a connection line on the second area, adjacent to, and bypassing, the first area, and including an end connected to the first line, and another end connected to the second line, a pixel circuit on the second area, including a thin-film transistor, and a node connection line electrically connected to the thin-film transistor, and a first pixel electrode above the pixel circuit, wherein the connection line is spaced from the node connection line.

公开(公告)号：US11881159B2

公开(公告)日：2024-01-23

申请号：US18101018

申请日：2023-01-24

Applicant: Samsung Display Co., LTD.

Inventor： Myunghoon Park ,  Dong-Hoon Lee ,  Kyunghoon Chung ,  Haemin Kim ,  Byungchang Yu

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2310/0267 ,  G09G2330/06

Abstract: A display device includes: a plurality of gate lines in a display area and extending in a first direction; a scan driver in a non-display area surrounding the display area, connecting the gate lines, extending in a second direction crossing the first direction, and having a first length in the second direction; and an antistatic pattern in the non-display area, extending in the second direction, and having a second length greater than the first length in the second direction.