公开(公告)号：US11145237B2

公开(公告)日：2021-10-12

申请号：US16186311

申请日：2018-11-09

Applicant: Samsung Display Co., Ltd.

Inventor： Hae-Kwan Seo ,  Myungho Lee

IPC: G09G3/36 ,  G09G3/20 ,  G09G3/3266 ,  G09G3/3275

Abstract: A gate driver includes a plurality of stages, a memory and a selector. The plurality of stages provides a plurality of gate signals to a plurality of gate lines. The memory receives a gate input signal applied to at least one of the stages and outputs the gate input signal as a selection signal. The selector outputs a vertical start signal to a scan start point among the stages based on the selection signal.

公开(公告)号：US11074846B2

公开(公告)日：2021-07-27

申请号：US16918516

申请日：2020-07-01

Applicant: Samsung Display Co., Ltd.

Inventor： Hae-Kwan Seo

IPC: G09G3/20 ,  G09F9/30 ,  G06F1/18

Abstract: A display device includes: a display panel including a display area and a pad area having a pad; and a complex circuit package on the pad, including: a first driving signal structure including a first penetration electrode vertically penetrating an inside of the first driving signal structure; a second driving signal structure on the first driving signal structure; and a redistribution wiring structure surrounding the second driving signal structure, and the redistribution wiring structure electrically connecting the first driving signal structure and the second driving signal structure.

公开(公告)号：US20200320908A1

公开(公告)日：2020-10-08

申请号：US16835518

申请日：2020-03-31

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Wontae KIM ,  Hae-Kwan Seo

IPC: G09F9/30 ,  G09G3/3225 ,  G09G3/3275

Abstract: A display device includes: a display panel including a first display region, a second display region, and a third display region between the first display region and the second display region; and a display panel driving circuit configured to drive the display panel, wherein the display panel driving circuit drives the first display region, the second display region, and, the third display region in a full pixel-row driving manner when an image is displayed on the first display region, the second display region, and the third display region, and wherein the display panel driving circuit drives the first display region in the full pixel-row driving manner and drives the third display region in a partial pixel-row driving manner when the image is displayed only on the first display region and the third display region.

公开(公告)号：US09767769B2

公开(公告)日：2017-09-19

申请号：US14632878

申请日：2015-02-26

Applicant: Samsung Display Co., Ltd.

Inventor： Weon-Jun Choe ,  Joon-Chul Goh ,  Yun-Ki Baek ,  Hae-Kwan Seo ,  Myeong-Su Kim ,  Jae-Wan Park

IPC: G09G5/377 ,  G06F3/041 ,  G06F3/14 ,  G09G5/02 ,  G06F1/32

CPC classification number: G09G5/377 ,  G06F1/3206 ,  G06F1/3265 ,  G06F3/0416 ,  G06F3/14 ,  G09G5/026 ,  G09G2330/021 ,  G09G2340/10 ,  G09G2340/12 ,  G09G2360/127 ,  G09G2360/18 ,  Y02D10/153

Abstract: According to an embodiment, the display device includes a touch controller, an image processor, and a display driver. The touch controller is configured to output touch event information corresponding to a touch signal received from a touch panel. The image processor is configured to determine whether a host is in a sleep mode or a normal mode, and to output mixed image data obtained by overlapping an image displayed on a display panel and a marker corresponding to the touch event information while a host is in the sleep mode. The display driver is configured to output pixel driving signals corresponding to the mixed image data to the display panel. The touch controller or image processor is further configured to determine whether a touch input of a user to the touch panel meets a predetermined condition, and if the predetermined condition is met, output a wake-up signal to the host.

公开(公告)号：US20160012779A1

公开(公告)日：2016-01-14

申请号：US14703960

申请日：2015-05-05

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Bon-Seog GU ,  Hae-Kwan Seo

IPC: G09G3/32

CPC classification number: G09G3/3233 ,  G09G2300/0814 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2300/0876 ,  G09G2310/0262 ,  G09G2310/08 ,  G09G2380/00

Abstract: A pixel circuit includes a first organic light emitting diode (OLED), a second OLED, a storage unit coupled to a data line, the storage unit including a first capacitor configured to store at least one of a first data signal and a second data signal received via the data line, a first driver including a second capacitor configured to store the first data signal received via the storage unit, and a first transistor configured to control an amount of a current supplied to the first OLED in response to a voltage stored in the second capacitor, and a second driver including a third capacitor configured to store the second data signal received via the storage unit, and a second transistor configured to control an amount of a current supplied to the second OLED in response to a voltage stored in the third capacitor.

Abstract translation: 像素电路包括第一有机发光二极管（OLED），第二OLED，耦合到数据线的存储单元，所述存储单元包括配置成存储第一数据信号和第二数据信号中的至少一个的第一电容器 经由数据线接收的第一驱动器，包括配置为存储经由存储单元接收的第一数据信号的第二电容器的第一驱动器和被配置为响应于存储在第一OLED中的电压来控制提供给第一OLED的电流量的第一晶体管 第二电容器和第二驱动器，其包括被配置为存储经由存储单元接收的第二数据信号的第三电容器，以及第二晶体管，被配置为响应于存储在第二OLED中的电压来控制提供给第二OLED的电流量 第三电容器。

公开(公告)号：US12243478B2

公开(公告)日：2025-03-04

申请号：US17405400

申请日：2021-08-18

Applicant: Samsung Display Co., Ltd.

Inventor： Hae-Kwan Seo ,  Bonghyun You

IPC: G09G3/3283 ,  G09G3/3233 ,  G09G3/3266

Abstract: A display device includes a display panel including a plurality of pixels respectively connected to corresponding data lines and respectively connected to corresponding scan lines, a data driving circuit for driving the corresponding data lines, a scan driving circuit for driving the corresponding scan lines, and a driving controller for, during a multi-frequency mode, dividing the display panel into a first display area and a second display area and controlling the data driving circuit and the scan driving circuit so that the first display area is driven at a first driving frequency, and the second display area is driven at a second driving frequency lower than the first driving frequency. During the multi-frequency mode, the driving controller divides the second display area into a plurality of blocks and alternately drives the plurality of blocks every frame.

公开(公告)号：US12073793B2

公开(公告)日：2024-08-27

申请号：US17511931

申请日：2021-10-27

Applicant: Samsung Display Co., Ltd.

Inventor： Woomi Bae ,  Hae-Kwan Seo ,  Youngha Sohn ,  Seungjae Lee

IPC: G09G3/3233 ,  G09G3/3266

CPC classification number: G09G3/3266 ,  G09G2310/08 ,  G09G2320/0233 ,  G09G2360/12

Abstract: A display device includes a display panel which displays an image during a plurality of driving frames, a panel driver which drives the display panel, and a driving controller which controls a driving operation of the panel driver. The driving controller divides the display panel into a first display area and a second display area based on an image signal. Each of the plurality of driving frames includes a full frame in which the first display area and the second display area are driven, and a plurality of partial frames in which only the first display area is driven. A number of the plurality of partial frames included in each of the plurality of driving frames is changed.

公开(公告)号：US11699400B2

公开(公告)日：2023-07-11

申请号：US17864902

申请日：2022-07-14

Applicant: Samsung Display Co., LTD.

Inventor： Hae-Kwan Seo ,  Seongheon Cho ,  Soon-Dong Kim ,  Taehoon Kim

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

CPC classification number: G09G3/3266 ,  G09G3/3233 ,  G09G3/3275 ,  G09G2310/0202 ,  G09G2310/08 ,  G09G2320/0238 ,  G09G2330/021

Abstract: A scan driving circuit of a display device includes a first output terminal electrically connected to a first scan line, a second output terminal electrically connected to a second scan line, a first masking circuit electrically connecting the first output terminal and the second output terminal and outputting, as a first scan signal, a second scan signal to the first output terminal, a driving circuit outputting the second scan signal to the second output terminal in response to clock signals and a carry signal, and a second masking circuit masking the second scan signal to a predetermined level in response to the second masking signal, wherein the first masking circuit electrically disconnects the first output terminal from the second output terminal in response to a first masking signal.

公开(公告)号：US11037498B2

公开(公告)日：2021-06-15

申请号：US16880655

申请日：2020-05-21

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hae-Kwan Seo ,  Wontae Kim ,  Sunghoon Bang ,  Taehoon Kim

IPC: G09G3/3258 ,  G09G3/3291

Abstract: A display apparatus includes a display panel, a power voltage generator, a gate driver and a data driver. The display panel includes first and second display areas, a first back gate signal applying line connected to at least one back gate electrode of at least one of a plurality of pixels in the first display area and a second back gate signal applying line connected to at least one back gate electrode of at least one of a plurality of pixels in the second display area. The power voltage generator is configured to output a first back gate signal to the first back gate signal applying line and a second back gate signal to the second back gate signal applying line. The gate driver is configured to output a gate signal to the display panel. The data driver is configured to output a data voltage to the display panel.

公开(公告)号：US10325871B2

公开(公告)日：2019-06-18

申请号：US14948114

申请日：2015-11-20

Applicant: Samsung Display Co., Ltd.

Inventor： Hae-Kwan Seo

IPC: H01L23/00 ,  G02F1/1345 ,  H01L25/065

Abstract: A display device comprises a control circuit board generating a first control signal; a driver chip package connected to the control circuit board and receiving the first control signal; and a display panel connected to the driver chip package interconnecting the control circuit board and the display panel. The display panel comprises pixels formed and signal lines connected to the pixels. The driver chip package comprises a wire film and a driver chip attached over the wire film. The driver chip is fixed to the display panel to transfer the second control signal to at least one of the plurality of signal lines. The wire film interconnects the driver chip and the control circuit board to transfer the first control signal from the control circuit board to the driver chip.