公开(公告)号：US20160203783A1

公开(公告)日：2016-07-14

申请号：US14966469

申请日：2015-12-11

Applicant: Samsung Display Co., Ltd.

Inventor： JongHee KIM ,  Cholho KIM ,  Jaekeun LIM ,  Youngwan SEO ,  Chongchul CHAI

IPC: G09G3/36 ,  G06F1/04

CPC classification number: G09G3/3677 ,  G06F1/04 ,  G09G3/3648 ,  G09G3/3696 ,  G09G2300/0413 ,  G09G2300/08 ,  G09G2310/0243 ,  G09G2310/08 ,  G09G2320/041 ,  G09G2330/04 ,  G09G2330/08 ,  G11C19/287

Abstract: A gate driving circuit includes first and second driving stages respectively driving first and second gate lines of a display panel. The first driving stage includes output transistors, a first control transistor controlling an electric potential of a control node in response to a signal provided from the second driving stage through an input terminal before a first gate signal is output, and a second control transistor applying a first carry signal to the input electrode of the first control transistor while the first gate signal is output.

Abstract translation: 栅极驱动电路包括分别驱动显示面板的第一和第二栅极线的第一和第二驱动级。 第一驱动级包括输出晶体管，第一控制晶体管，响应于在输出第一栅极信号之前通过输入端从第二驱动级提供的信号控制控制节点的电位;以及第二控制晶体管， 第一输入信号到第一控制晶体管的输入电极，同时输出第一栅极信号。

公开(公告)号：US20160203786A1

公开(公告)日：2016-07-14

申请号：US14980581

申请日：2015-12-28

Applicant: Samsung Display Co., Ltd

Inventor： Jaekeun LIM ,  Chongchul CHAI ,  Jonghee KIM

IPC: G09G3/36

CPC classification number: G09G3/20 ,  G09G2300/0426 ,  G09G2310/0267 ,  G09G2310/0286 ,  G09G2320/041 ,  G09G2330/028 ,  G11C19/287

Abstract: Provided is a display device. The display device includes a display panel, a gate driving circuit, a sensor part, and a control voltage generator. The gate driving circuit includes driving transistors including a first control electrode and a second control electrode. The sensor part is configured to measure an environmental factor that changes a threshold voltage of the driving transistors. The control voltage generator is configured to apply to the second control electrode a control voltage for controlling the threshold voltage of the driving transistors on the basis of the environmental factor measured by the sensor part.

Abstract translation: 提供了一种显示装置。 显示装置包括显示面板，栅极驱动电路，传感器部分和控制电压发生器。 栅极驱动电路包括包括第一控制电极和第二控制电极的驱动晶体管。 传感器部分被配置为测量改变驱动晶体管的阈值电压的环境因素。 控制电压发生器被配置为根据由传感器部件测量的环境因素向第二控制电极施加用于控制驱动晶体管的阈值电压的控制电压。

公开(公告)号：US20160171924A1

公开(公告)日：2016-06-16

申请号：US14835573

申请日：2015-08-25

Applicant: Samsung Display Co., Ltd.

Inventor： Ji-Sun KIM ,  Jonghee KIM ,  Youngwan SEO ,  Jaekeun LIM ,  Chongchul CHAI

IPC: G09G3/20

CPC classification number: G09G3/3648 ,  G09G2310/0297 ,  G09G2310/08 ,  G09G2320/0219

Abstract: According to an embodiment, a display device includes a display panel including a plurality of pixels respectively connected to a plurality of gate lines and a plurality of data lines, a gate driver driving the plurality of gate lines, a data driver configured to output a plurality of data output signals to the plurality of data lines in response to a data signal, a demultiplexer circuit configured to provide the plurality of data output signals to the plurality of data lines in response to a first selectin signal and a second selection signal; and a timing controller configured to provide the data signal to the data driver, outputting the first selection signal and the second selection signal, and controlling the gate driver.

Abstract translation: 根据实施例，显示装置包括：显示面板，包括分别连接到多个栅极线和多个数据线的多个像素;驱动多个栅极线的栅极驱动器;配置为输出多个栅极线的数据驱动器 响应于数据信号将数据输出信号传送到多条数据线;解复用器电路，被配置为响应于第一选择信号和第二选择信号将多个数据输出信号提供给多条数据线; 以及定时控制器，被配置为将数据信号提供给数据驱动器，输出第一选择信号和第二选择信号，以及控制门驱动器。

公开(公告)号：US20200051496A1

公开(公告)日：2020-02-13

申请号：US16538597

申请日：2019-08-12

Applicant: Samsung Display Co., Ltd.

Inventor： Hyungryul KANG ,  Oh Jo KWON ,  Yoshimura HIDEO ,  Bong-Hyun YOU ,  Jaekeun LIM

IPC: G09G3/3225 ,  G09G3/3275 ,  G09G3/3266

Abstract: A display device includes: a display panel including a plurality of pixels; a scan driver connected to the plurality of pixels through a plurality of scan lines; a data driver connected to the plurality of pixels through a plurality of data lines; an emission driver connected to the plurality of pixels through a plurality of emission control lines; a sensing circuit connected to the plurality of pixels through a plurality of sensing lines; and a controller configured to control the scan driver, the data driver, the emission driver and the sensing circuit, wherein, in an active period of each frame period, the scan driver sequentially applies a sensing pulse and a scan pulse to at least one scan line of the plurality of scan lines, and applies the scan pulse to remaining scan lines of the plurality of scan lines.

公开(公告)号：US20190221159A1

公开(公告)日：2019-07-18

申请号：US16245978

申请日：2019-01-11

Applicant: Samsung Display Co., Ltd.

Inventor： Heesoon JEONG ,  Jaekeun LIM

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

CPC classification number: G09G3/3233 ,  G09G3/3266 ,  G09G3/3275 ,  G09G2310/0278 ,  G09G2310/061 ,  G09G2320/0233 ,  G09G2320/064

Abstract: A display device includes a display panel including a plurality of pixel circuits each having a light-emitting element, the display panel being divided into a plurality of display regions comprising respective groups of the pixel circuits, and a display panel driving circuit configured to drive the display panel by sequentially performing an emission preparation operation, a scan operation, and an emission operation for the pixel circuits, and configured to perform the emission operation independently on each of the display regions, wherein, in each frame, the display panel driving circuit is configured to calculate a region grayscale that each of the display regions is to implement by analyzing grayscale data to be applied to the pixel circuits in each of the display regions, and to change a length of an emission period for each of the display regions based on the calculated region grayscale, the emission operation being performed in the emission period.

公开(公告)号：US20160267831A1

公开(公告)日：2016-09-15

申请号：US14857747

申请日：2015-09-17

Applicant: Samsung Display Co., Ltd.

Inventor： Youngwan SEO ,  Ji-sun KIM ,  Jaekeun LIM ,  Jonghee KIM ,  Chongchul CHAI

IPC: G09G3/20

CPC classification number: G09G3/2085 ,  G09G2300/0408 ,  G09G2300/0426 ,  G09G2300/08 ,  G09G2310/0267

Abstract: A display device includes: a display panel having a display area and a non-display area; a plurality of pixels on the display area to emit light, wherein pixels arranged along a first direction are defined as first pixel groups and pixels arranged along a second direction are defined as second pixel groups; gate driving units on the display area to generate gate signals, wherein the gate driving units include first and second gate driving units corresponding one-to-one with each other; a data driver on the non-display area to generate data signals; a plurality of first lines to transmit the data signals to the plurality of pixels; and a plurality of second lines to transmit driving start signals from the first gate driving units to the second gate driving units respectively corresponding to the first gate driving units, wherein the first or second lines are between the first groups.

Abstract translation: 显示装置包括：具有显示区域和非显示区域的显示面板; 显示区域上的多个像素发光，其中沿着第一方向布置的像素被定义为第一像素组，并且沿着第二方向布置的像素被定义为第二像素组; 栅极驱动单元，用于产生栅极信号，其中栅极驱动单元包括彼此一一对应的第一和第二栅极驱动单元; 在非显示区域上的数据驱动器产生数据信号; 多个第一行，用于将数据信号发送到多个像素; 以及多个第二线，用于将驱动开始信号从第一栅极驱动单元传输到分别对应于第一栅极驱动单元的第二栅极驱动单元，其中第一或第二线在第一组之间。

公开(公告)号：US20160189659A1

公开(公告)日：2016-06-30

申请号：US14876305

申请日：2015-10-06

Applicant: Samsung Display Co., LTD.

Inventor： Junhyun PARK ,  Sunghwan KIM ,  Seyoung SONG ,  Kyoungju SHIN ,  Jaekeun LIM ,  Chongchul CHAI

IPC: G09G3/36

CPC classification number: G09G3/3696 ,  G09G3/3677 ,  G09G2310/0286 ,  G11C19/287

Abstract: Provided is a gate driving circuit including driving stages which provide a plurality of pixels of a display panel with gate signals, wherein any one of the driving stages includes a thin film transistor including a first control electrode, an activation part overlapping the first control electrode, an input electrode overlapping the activation part, an output electrode overlapping the activation part, and a second electrode disposed on the first control electrode and the activation part; and a capacitor including a first electrode disposed on the layer on which the first control electrode is disposed, a second electrode, which overlaps at least a portion of the first electrode and is disposed on the layer on which the input electrode is disposed, and a third electrode which overlaps the first and second electrodes and is electrically connected to the first electrode.

Abstract translation: 提供了一种栅极驱动电路，其包括提供具有栅极信号的显示面板的多个像素的驱动级，其中驱动级中的任何一个包括薄膜晶体管，其包括第一控制电极，与第一控制电极重叠的激活部分， 与激活部分重叠的输入电极，与激活部分重叠的输出电极和设置在第一控制电极和激活部分上的第二电极; 以及包括设置在其上设置有第一控制电极的层上的第一电极的电容器，与第一电极的至少一部分重叠并设置在其上设置有输入电极的层上的第二电极，以及 第三电极，其与第一和第二电极重叠并且电连接到第一电极。

公开(公告)号：US20190206329A1

公开(公告)日：2019-07-04

申请号：US16208096

申请日：2018-12-03

Applicant: Samsung Display Co., Ltd.

Inventor： Donggyu LEE ,  Jaekeun LIM

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

CPC classification number: G09G3/3266 ,  G09G3/3275 ,  G09G3/3677 ,  G09G3/3688 ,  G09G2310/0278 ,  G09G2310/0286 ,  G09G2310/04 ,  G09G2310/08 ,  G09G2330/021

Abstract: A display device may include a display panel including a display panel including a plurality of pixels, a scan driver configured to provide a scan signal to the pixels, a data driver configured to provide a data signal to the pixels, and a controller configured to vary a frequency of a scan clock signal in one frame to partially drive the display panel, and to provide the scan clock signal to the scan driver.

公开(公告)号：US20180068629A1

公开(公告)日：2018-03-08

申请号：US15658722

申请日：2017-07-25

Applicant: Samsung Display Co., Ltd.

Inventor： Kyoungju SHIN ,  Ji-sun KIM ,  Se-hyang KIM ,  Jonghee KIM ,  Junhyun PARK ,  Youngwan SEO ,  Jaekeun LIM ,  Chongchul CHAI

IPC: G09G3/36

CPC classification number: G09G3/3677 ,  G02F1/13454 ,  G09G3/3688 ,  G09G3/3696 ,  G09G2300/0408 ,  G09G2300/0426 ,  G09G2300/0439 ,  G09G2300/0809 ,  G09G2320/0276 ,  G09G2320/028

Abstract: The display device includes: a display panel including a plurality of gate lines extending in a first direction and arranged in a second direction, a plurality of data lines extending in the second direction and arranged in the first direction, and a plurality of dots arranged in the first and second directions; a gate driver configured to sequentially supply a gate signal to the plurality of gate lines; and a data driver configured to supply a plurality of data signals to the plurality of data lines, respectively. The gate driver includes sub-gate drivers. The sub-gate drivers are disposed in the first direction to supply the gate signal to at least two positions of each gate line. Each of the sub-gate drivers includes a plurality of stages and each stage is disposed in at least one dot.

公开(公告)号：US20160210920A1

公开(公告)日：2016-07-21

申请号：US14961672

申请日：2015-12-07

Applicant: Samsung Display Co., Ltd.

Inventor： Jonghee KIM ,  Youngwan SEO ,  Jaekeun LIM

IPC: G09G3/36

CPC classification number: G09G3/3677 ,  G09G2310/0286 ,  G11C19/287

Abstract: A gate driving circuit provides a plurality of gate lines of a display panel with gate signals, the gate driving circuit including: a plurality of driving stages which correspond to the plurality of gate lines, respectively, and each of which outputs a carry signal and a gate signal for driving a corresponding gate line in response to a clock signal, an input signal, and a carry signal of a next stage; and a dummy driving stage which outputs a dummy carry signal in response to the clock signal, a carry signal of the last stage of the plurality of driving stages, and a carry signal output from any one of the plurality of driving stages.

Abstract translation: 栅极驱动电路提供具有栅极信号的显示面板的多条栅极线，栅极驱动电路包括：分别对应于多条栅极线的多个驱动级，并且其中每一条输出进位信号和 栅极信号，用于响应于下一级的时钟信号，输入信号和进位信号来驱动相应的栅极线; 以及虚拟驱动级，其响应于时钟信号输出虚拟进位信号，多个驱动级中的最后级的进位信号和从多个驱动级中的任一个输出的进位信号。