公开(公告)号：US20220165215A1

公开(公告)日：2022-05-26

申请号：US17567436

申请日：2022-01-03

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Seung Chan LEE ,  Dong Hyun KIM ,  Hyeong Seok KIM ,  Young Wan SEO

IPC: G09G3/3258

Abstract: A display device includes: a display panel including a first area and a second area, wherein the first area includes first sub-pixels, and the second area includes second sub-pixels; and a power supply unit that generates a first driving voltage and a second driving voltage greater than the first driving voltage to supply the first and second driving voltages to the display panel. The first sub-pixels receive the first driving voltage, and the second sub-pixels receive the first driving voltage or the second driving voltage.

公开(公告)号：US20180204510A1

公开(公告)日：2018-07-19

申请号：US15698420

申请日：2017-09-07

Applicant: Samsung Display Co., Ltd.

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

IPC: G09G3/3233 ,  H01L51/52

CPC classification number: G09G3/3233 ,  G09G2300/0417 ,  G09G2300/0439 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0866 ,  G09G2310/0251 ,  G09G2320/043 ,  H01L51/5206 ,  H01L51/5296

Abstract: A pixel including an organic light emitting diode; a first transistor for controlling the amount of current flowing from a first driving power source to a second driving power source via the organic light emitting diode, corresponding to a voltage of a first node; a second transistor coupled between the first node and a second node, the second transistor being turned on when a scan signal is supplied to an ith (i is a natural number) scan line; a third transistor coupled between the second node and an anode electrode of the organic light emitting diode; a first capacitor coupled between a data line and the second node; and a fourth transistor coupled between an initialization power source and the anode electrode of the organic light emitting diode. The fourth transistor is turned on in response to a first control signal being supplied to a first control line.

公开(公告)号：US20180108843A1

公开(公告)日：2018-04-19

申请号：US15654149

申请日：2017-07-19

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Bon Yong KOO ,  Young Wan SEO

IPC: H01L51/00 ,  H01L51/05 ,  G02F1/1335

CPC classification number: H01L51/0023 ,  G02F1/133512 ,  H01L27/1108 ,  H01L27/124 ,  H01L29/78633 ,  H01L51/0097 ,  H01L51/0512

Abstract: The display device includes a first base portion; a semiconductor layer disposed on the first base portion and including a source region, a drain region and a channel region; a first insulating layer disposed on the semiconductor layer; a gate line disposed on the first insulating layer extending in a first direction and overlapping the channel region; a second insulating layer disposed on the gate line; a first connection plug formed in the first and second insulating layer filling a first connection hole exposing the source region; a second connection plug formed in the first and second insulating layer filling a second connection hole exposing the drain region; a first and second conductive pattern disposed on the second insulating layer; a pixel electrode disposed on the second insulating layer and electrically connected to the first conductive pattern; and a data line disposed on the second insulating layer to extend in a second direction.

公开(公告)号：US20250157419A1

公开(公告)日：2025-05-15

申请号：US18794281

申请日：2024-08-05

Applicant: Samsung Display Co., LTD.

Inventor： Jun Hyun PARK ,  Young Wan SEO

IPC: G09G3/3291 ,  G09G3/3266 ,  H10K59/121 ,  H10K59/131

Abstract: A display device comprises an active layer on a substrate, a first metal layer above the active layer, a second metal layer above the first metal layer, a first transistor comprising a semiconductor region in the active layer, a drain electrode on a first side of the semiconductor region, a source electrode on a second side opposite the first side of the semiconductor region, and a gate electrode in the second metal layer, a first capacitor comprising a first capacitor electrode in the first metal layer and electrically connected to the gate electrode of the first transistor, a second capacitor comprising a second capacitor electrode in the first metal layer and electrically connected to a driving voltage line supplying a driving voltage, and a shielding electrode in the second metal layer and overlapping with the first capacitor electrode, the second capacitor electrode, and the drain electrode of the first transistor.

公开(公告)号：US20230009353A1

公开(公告)日：2023-01-12

申请号：US17857638

申请日：2022-07-05

Applicant: Samsung Display Co., LTD.

Inventor： Young Wan SEO ,  Kyung Hoe LEE ,  Ja Eun LEE ,  Ji-Sun KIM ,  Keun Hee CHOI

IPC: H01L27/32

Abstract: A display device includes a display area including a first display area and a second display area; a first pixel circuit; a first light emitting element; a second pixel circuit; second light emitting elements; and a driving circuit overlapping the second light emitting elements in a plan view, wherein an edge of the display area includes a straight portion and a round portion, the second light emitting elements that are near each other in a first direction and a second direction configure a light emitting element group, and a number of the second light emitting elements configuring the light emitting element group disposed on the round portion is different from a number of the second light emitting elements configuring the light emitting element group disposed on the straight portion.

公开(公告)号：US20210056906A1

公开(公告)日：2021-02-25

申请号：US16998504

申请日：2020-08-20

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Seung Chan LEE ,  Dong Hyun KIM ,  Hyeong Seok KIM ,  Young Wan SEO

IPC: G09G3/3258

Abstract: A display device includes: a display panel including a first area and a second area, wherein the first area includes first sub-pixels, and the second area includes second sub-pixels; and a power supply unit that generates a first driving voltage and a second driving voltage greater than the first driving voltage to supply the first and second driving voltages to the display panel. The first sub-pixels receive the first driving voltage, and the second sub-pixels receive the first driving voltage or the second driving voltage.

公开(公告)号：US20190035336A1

公开(公告)日：2019-01-31

申请号：US15989673

申请日：2018-05-25

Applicant: SAMSUNG DISPLAY CO., LTD.

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

IPC: G09G3/3266 ,  G09G3/3225

Abstract: An organic light emitting display device includes a plurality of pixels. A pixel on an ith horizontal line includes a first transistor coupled between a first power source and a first node and having a gate electrode coupled to a second node. An organic light emitting diode is coupled between the first node and a second power source. A second transistor is coupled between the second and third nodes and is turned on when a first scan signal is supplied to an ith first scan line. A third transistor is coupled between the third and first nodes. A first capacitor is coupled between an ith control line and the second node. A second capacitor is coupled between the third node and a data line. The pixels are simultaneously driven during first, second, and third periods of a frame period and sequentially driven during a fourth period of the frame period.

公开(公告)号：US20160240129A1

公开(公告)日：2016-08-18

申请号：US14920596

申请日：2015-10-22

Applicant: Samsung Display Co., Ltd.

Inventor： Jong Hee KIM ,  Ji-Sun KIM ,  Jun Hyun PARK ,  Young Wan SEO ,  Jae Keun LIM ,  Chong Chul CHAI

IPC: G09G3/20 ,  H03K19/0175

CPC classification number: G09G3/2092 ,  G09G2310/0286 ,  H03K19/017509

Abstract: A gate circuit according to an exemplary embodiment of the present inventive concept comprises a plurality of stages, each receiving a clock signal and outputting a gate signal and a carry signal. One of the plurality of stages includes a first transistor of which a first terminal and a control terminal are connected to each other and a carry signal of a stage before previous stage is input to the first terminal and the control terminal and a second transistor of which a gate signal of the previous stage is input to a first terminal, a control terminal is connected with a second terminal of the first transistor, and an output terminal is connected to a first node.

Abstract translation: 根据本发明构思的示例性实施例的门电路包括多个级，每个级接收时钟信号并输出​​门信号和进位信号。 多个级中的一个包括第一晶体管和第一晶体管，第一晶体管的第一端子和控制端子彼此连接，并且前一级之前的级的进位信号被输入到第一端子和控制端子，第二晶体管的第二晶体管 前级的门信号被输入到第一端子，控制端子与第一晶体管的第二端子连接，输出端子连接到第一节点。

公开(公告)号：US20160078836A1

公开(公告)日：2016-03-17

申请号：US14642389

申请日：2015-03-09

Applicant: Samsung Display Co. Ltd.

Inventor： Ji Sun KIM ,  Won Sik OH ,  Yeong Keun KWON ,  Young Wan SEO ,  Young Soo YOON ,  Chong Chul CHAI

IPC: G09G3/36

CPC classification number: G09G3/3688 ,  G09G3/3611 ,  G09G3/3614 ,  G09G2300/0426 ,  G09G2310/0297 ,  G09G2310/08 ,  G09G2330/021

Abstract: A display device includes pixels arranged in a matrix form, gate lines extending in a first direction; data lines extending in a second direction, first and second unit pixel columns, each defined by adjacent data lines and the pixels connected thereto, first and second channels which transmit data signals to each of the first and second unit pixel columns, and a line selector which connects the first and second channels to the data lines and provides data voltages to the data lines in response to control signals, where a pixel connected to a first gate line is connected to a data line at a side thereof, a pixel connected to a second gate line is connected to a data line at the other side thereof, and each of the first and second channels is connected to a data line of each of the first and second unit pixel columns.

Abstract translation: 显示装置包括以矩阵形式布置的像素，沿第一方向延伸的栅极线; 数据线在第二方向上延伸，第一和第二单位像素列，每个由相邻数据线和连接到其上的像素定义;第一和第二通道，其将数据信号发送到第一和第二单位像素列中的每一个;以及行选择器 其将第一和第二通道连接到数据线，并且响应于控制信号向数据线提供数据电压，其中连接到第一栅极线的像素连接到其一侧的数据线，连接到 第二栅极线连接到其另一侧的数据线，并且第一和第二通道中的每一个连接到第一和第二单位像素列中的每个的数据线。