公开(公告)号：US20240363059A1

公开(公告)日：2024-10-31

申请号：US18767983

申请日：2024-07-10

Applicant: Samsung Display Co., Ltd.

Inventor： HONG-KYU KIM ,  MYEONGSU KIM ,  PO-YUN PARK ,  DONG-HYUN YEO ,  WOOJUNG JUNG

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2310/0278 ,  G09G2310/061

Abstract: A display device includes a display panel that includes a plurality of pixels, a data driver configured to provide a data voltage to the plurality of pixels, a scan driver configured to provide a first scan signal and a second scan signal to the plurality of pixels, and a controller configured to control the data driver and the scan driver. The display panel is driven at a driving frequency that is variable within a driving frequency range. The scan driver provides the first scan signal to the plurality of pixels at the driving frequency, and provides the second scan signal to the plurality of pixels at a second driving frequency that is equal to or higher than the driving frequency.

公开(公告)号：US20240312395A1

公开(公告)日：2024-09-19

申请号：US18483959

申请日：2023-10-10

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： JUNG-TAEK KIM ,  HONG-KYU KIM ,  SEUNGHO PARK

IPC: G09G3/20 ,  G09G3/3233 ,  G09G3/36

CPC classification number: G09G3/2096 ,  G09G3/2007 ,  G09G3/3233 ,  G09G3/36 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2320/0233 ,  G09G2320/0295 ,  G09G2320/0626 ,  G09G2360/16

Abstract: A display device includes a data driver providing a data voltage to each of multiple pixels, a scan driver providing first and second scan signals to each of the pixels, and a controller to control the data driver and the scan driver. The scan driver performs a first active scan operation that sequentially provides the first and second scan signals to the pixels in an active period of a first frame period, and initiates a dummy scan operation that sequentially provides the second scan signal to the pixels in a blank period of the first frame period. When a second frame period starts before the dummy scan operation for the pixel in a last row, the data driver changes a level of the data voltage in an overlap period in which the dummy scan operation and a second active scan operation in the second frame period are simultaneously performed.

公开(公告)号：US20220068194A1

公开(公告)日：2022-03-03

申请号：US17202253

申请日：2021-03-15

Applicant: Samsung Display Co., Ltd.

Inventor： HONG-KYU KIM ,  MYEONGSU KIM ,  PO-YUN PARK ,  DONG-HYUN YEO ,  WOOJUNG JUNG

IPC: G09G3/32

Abstract: A display device includes a display panel that includes a plurality of pixels, a data driver configured to provide a data voltage to the plurality of pixels, a scan driver configured to provide a first scan signal and a second scan signal to the plurality of pixels, and a controller configured to control the data driver and the scan driver. The display panel is driven at a driving frequency that is variable within a driving frequency range. The scan driver provides the first scan signal to the plurality of pixels at the driving frequency, and provides the second scan signal to the plurality of pixels at a second driving frequency that is equal to or higher than the driving frequency.

公开(公告)号：US20240363078A1

公开(公告)日：2024-10-31

申请号：US18523635

申请日：2023-11-29

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： HONG-KYU KIM

IPC: G09G3/3266 ,  G09G3/20 ,  G09G3/3233

CPC classification number: G09G3/3266 ,  G09G3/2096 ,  G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2310/0286 ,  G09G2310/08

Abstract: A gate driver includes M active stages configured to generate first through M-th carry signals and first through M-th gate signals based on clock signals, where M is an integer greater than or equal to 4, and K back dummy stages configured to generate (M+1)-th through (M+K)-th carry signals based on the clock signals, where K is an integer greater than or equal to 3. An N-th active stage of the M active stages discharges a control node of the N-th active stage based on an (N+3)-th carry signal, where N is an integer greater than or equal to 1, and is less than or equal to M. At least one back dummy stage of the K back dummy stages discharges a control node of the at least one back dummy stage based on a corresponding clock signal of the clock signals.

公开(公告)号：US20170069256A1

公开(公告)日：2017-03-09

申请号：US15092863

申请日：2016-04-07

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： JI-MYOUNG SEO ,  DONG-WON PARK ,  JAE WAN PARK ,  PO-YUN PARK ,  HONG-KYU KIM ,  BONGHYUN YOU ,  JUNG-HWAN CHO

IPC: G09G3/20

CPC classification number: G09G3/2096 ,  G09G3/3614 ,  G09G3/3648 ,  G09G3/3696 ,  G09G5/393 ,  G09G2310/08 ,  G09G2330/023 ,  G09G2340/0435 ,  G09G2360/02 ,  G09G2360/18

Abstract: A display apparatus includes a display panel comprising a plurality of data lines and a plurality of gate lines crossing the plurality of data lines, a frequency detector configured to receive an input synchronization signal with an input frequency which is varying in a preset frequency range and to count clock cycles of an input frame in the input synchronization signal, and a synchronization signal generator configured to generate an output synchronization signal which has an insertion frame corresponding to a frame of maximum frequency within the preset frequency range and inset the insertion frame in a vertical blanking period of the input frame, based on the clock count.

Abstract translation: 显示装置包括：显示面板，包括多条数据线和与多条数据线交叉的多条栅极线;频率检测器，被配置为接收具有在预设频率范围内变化的输入频率的输入同步信号，以及 计算输入同步信号中的输入帧的时钟周期，以及同步信号发生器，被配置为产生输出同步信号，该输出同步信号具有与预设频率范围内的最大频率的帧相对应的插入帧，并将插入帧插入垂直 输入帧的消隐周期，基于时钟计数。