公开(公告)号：US20140176407A1

公开(公告)日：2014-06-26

申请号：US13891485

申请日：2013-05-10

Applicant: Samsung Display Co., Ltd.

Inventor： Hak-Mo CHOI ,  Jong-Hee Na ,  Gwangho Nam ,  Hoisik Moon ,  Chang-Soo Lee ,  Min-Yup Chae ,  Jae-Suk Choi

IPC: G09G3/36

CPC classification number: G09G3/3648 ,  G09G3/3677 ,  G09G2310/06 ,  G09G2360/18

Abstract: A display device includes pixels respectively arranged in areas defined by gate lines and data lines, a gate driver that drives the gate lines in response to a gate pulse signal, a data driver that drives the data lines in response to a clock signal and a data signal, and a timing controller that applies the clock signal and the data signal to the data driver and the gate pulse signal to the gate driver in response to an image signal and a control signal. The timing controller periodically changes a pulse width of each of the gate pulse signal and the clock signal.

Abstract translation: 显示装置包括分别布置在由栅极线和数据线限定的区域中的像素，响应于栅极脉冲信号驱动栅极线的栅极驱动器，响应于时钟信号和数据驱动数据线的数据驱动器 信号和定时控制器，其响应于图像信号和控制信号将时钟信号和数据信号施加到数据驱动器和门脉冲信号到栅极驱动器。 定时控制器周期性地改变每个门脉冲信号和时钟信号的脉冲宽度。

公开(公告)号：US11985855B2

公开(公告)日：2024-05-14

申请号：US17475321

申请日：2021-09-14

Applicant: Samsung Display Co., LTD.

Inventor： Chang-Soo Lee ,  Bo Yong Chung ,  Tak-Young Lee

IPC: H10K59/12 ,  H10K59/121

CPC classification number: H10K59/1213 ,  H10K59/1216

Abstract: A light emitting display device including a first pixel including a first driving transistor, a first input transistor, a first initialization transistor, a first storage capacitor, and a first light emitting diode (LED); and a second pixel including a second driving transistor, a second input transistor, a second initialization transistor, a second storage capacitor, and a second light emitting diode (LED. The first pixel further includes a first gate electrode connecting member connecting a first gate electrode of the first driving transistor and the first input transistor; the second pixel further includes a second gate electrode connecting member connecting a second gate electrode of the second driving transistor and the second input transistor; the first light emitting diode (LED) includes a first anode; the second light emitting diode (LED) includes a second anode; and the first gate electrode connecting member does not overlap the second anode in a plan view.

公开(公告)号：US11798459B2

公开(公告)日：2023-10-24

申请号：US17955198

申请日：2022-09-28

Applicant: Samsung Display Co., Ltd.

Inventor： Chang-Soo Lee ,  Joosun Yoon ,  Boyong Chung

IPC: G09G3/20 ,  G09G3/32

CPC classification number: G09G3/2096 ,  G09G3/2007 ,  G09G3/32 ,  G09G2300/0819 ,  G09G2310/08 ,  G09G2320/0233

Abstract: A display apparatus includes a display panel including a plurality of pixels, a data driver to provide data voltages to the plurality of pixels and to sense threshold voltages of the pixels, and a driving controller to generate first difference values by calculating differences between the data voltages for first pixels included in an N-th pixel row and the data voltages for second pixels included in an (N+1)-th pixel row among the plurality of pixels in an initial driving period, to calculate limit offset values for the second pixels based on the first difference values, to generate threshold voltage compensation values for the second pixels based on the threshold voltages of the second pixels, and to compensate input image data for the second pixels based on the threshold voltage compensation values and the limit offset values, where N is an integer greater than 0.

公开(公告)号：US20220231107A1

公开(公告)日：2022-07-21

申请号：US17472088

申请日：2021-09-10

Applicant: Samsung Display Co., Ltd.

Inventor： Doo-Young Lee ,  Jong Hee Kim ,  Yoo Mi Ra ,  Kyung-Ho Park ,  Geun Ho Lee ,  Chang-Soo Lee ,  Tak-Young Lee ,  Bo Yong Chung ,  Jung Hwan Hwang

IPC: H01L27/32

Abstract: A light emitting display device including: a first pixel including a first lower storage electrode, a first gate electrode of a first driving transistor, and a first upper storage electrode; and a second pixel provided near the first pixel, and including a second lower storage electrode, a second gate electrode of a second driving transistor, and a second upper storage electrode. In a plan view, the first gate electrode and the second gate electrode have first sides facing each other, the first side of the first gate electrode is positioned inside a border of the first lower storage electrode or the first upper storage electrode in a plan view, and the first side of the second gate electrode is positioned inside a border of the second lower storage electrode or the second upper storage electrode in a plan view.

公开(公告)号：US11183134B2

公开(公告)日：2021-11-23

申请号：US16860955

申请日：2020-04-28

Applicant: Samsung Display Co., Ltd.

Inventor： Sang Yong No ,  Chang-Soo Lee

IPC: G09G3/36

Abstract: A display device includes: a switching element connected to a gate line and a data line; a liquid crystal capacitor including a pixel electrode that is connected to the switching element and a common electrode to which a common voltage is applied; and a storage capacitor including a first electrode that is connected to the switching element and a second electrode to which a storage voltage is applied. The display device is operable at a variable frame frequency between a maximum frame frequency and a minimum frame frequency. Capacitance of the storage capacitor is set according to a difference between the maximum frame frequency and the minimum frame frequency, and the storage voltage is greater than the common voltage by more than a predetermined level.

公开(公告)号：US20190130866A1

公开(公告)日：2019-05-02

申请号：US16168878

申请日：2018-10-24

Applicant: Samsung Display Co., Ltd.

Inventor： Chang-Soo Lee

IPC: G09G5/00

Abstract: A display device includes a voltage generation circuit that generates a plurality of clock signals and a first driving voltage, a second driving voltage, and a third driving voltage. A gate driving circuit receives the generated clock signals and the first driving voltage, the second driving voltage, and the third driving voltage, and includes a plurality of driving stages each of which outputs a carry signal and a gate signal to a corresponding gate line among gate lines. The voltage generation circuit sets a voltage level of the third driving voltage based on a signal of a first node of at least one of the driving stages.

公开(公告)号：US09870748B2

公开(公告)日：2018-01-16

申请号：US14740652

申请日：2015-06-16

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hak-Mo Choi ,  Hoi-Sik Moon ,  Gwang-Ho Nam ,  Chang-Soo Lee ,  Min-Yup Chae

IPC: G09G3/36

CPC classification number: G09G3/3685 ,  G09G3/3614 ,  G09G3/3666 ,  G09G3/3674 ,  G09G2300/0413 ,  G09G2310/0251 ,  G09G2310/08 ,  G09G2320/0223 ,  G09G2320/0233 ,  G09G2320/0252 ,  G09G2320/0673

Abstract: A method of driving a display panel is provided. The display panel includes first through n-th gate lines and a plurality of pixels each connected to one of the first through n-th gate lines (where n is a natural number). The method includes charging pixels connected to the n-th gate line with first data voltages corresponding to a first frame image during a first period, charging pixels connected to the first gate line with the first data voltages during the first period, charging the pixels connected to the first gate line with second data voltages corresponding to a second frame image during a second period subsequent to the first period, and charging pixels connected to the second gate line with the second data voltages during the second period.

公开(公告)号：US20150206472A1

公开(公告)日：2015-07-23

申请号：US14329233

申请日：2014-07-11

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Min-Yup Chae ,  Hoi Sik Moon ,  Gwang Ho Nam ,  Chang-Soo Lee ,  Jae-Seok Choi ,  Hak-Mo Choi

IPC: G09G3/20 ,  G09G3/36

CPC classification number: G09G3/2007 ,  G09G3/20 ,  G09G3/3696 ,  G09G2320/0247

Abstract: A display device is provided. The display device includes pixels, a data driver, a signal controller, a data processor. The data driver is configured to apply a first data voltage to a first pixel. The signal controller is configured to transfer an image data signal and a data control signal for controlling an operation of the data driver. The data processor is configured to detect a first region including a moving in a first image signal, to apply a first dynamic capacitance control (DCC) to the first region, to apply a second DCC to a second region other than the moving pattern region, to generate the second image signal by combining the first region to which the first DCC is applied and the second region to which the second DCC is applied, and to transfer the second image signal to the signal controller.

Abstract translation: 提供显示装置。 显示装置包括像素，数据驱动器，信号控制器，数据处理器。 数据驱动器被配置为将第一数据电压施加到第一像素。 信号控制器被配置为传送用于控制数据驱动器的操作的图像数据信号和数据控制信号。 数据处理器被配置为检测包括在第一图像信号中移动的第一区域，以将第一动态电容控制（DCC）应用于第一区域，以将第二DCC应用于除移动图案区域之外的第二区域， 通过组合施加第一DCC的第一区域和应用第二DCC的第二区域来生成第二图像信号，并将第二图像信号传送到信号控制器。

公开(公告)号：US11620955B2

公开(公告)日：2023-04-04

申请号：US17737910

申请日：2022-05-05

Applicant: Samsung Display Co., LTD.

Inventor： Chang-Soo Lee ,  Boyong Chung

IPC: G09G3/3291 ,  G09G3/3266

Abstract: A display apparatus includes a display panel, a gate driver, a data driver and a driving controller. The display panel includes a gate line, a data line, a sensing line and a subpixel connected to the gate line, the data line and the sensing line. The gate outputs a gate signal to the gate line. The data driver outputs a data voltage to the data line. The driving controller controls the gate driver and the data driver. The display panel includes a first color subpixel, a second color subpixel and a third color subpixel. The driving controller is configured to determine a sensing target gate line among a plurality of gate lines based on first color data corresponding to the first color subpixel, second color data corresponding to the second color subpixel and third color data corresponding to the third color subpixel.

公开(公告)号：US10720090B2

公开(公告)日：2020-07-21

申请号：US16231657

申请日：2018-12-24

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Chang-Soo Lee ,  Byoungsun Na

IPC: G09G3/20 ,  G09G3/36

Abstract: A display apparatus includes a display panel including a display area and a non-display area, in which an image is displayed in the display area and a peripheral area is disposed adjacent to the display area in the non-display area. The display panel includes a plurality of gate lines extending in a first direction, a plurality of data lines extending a second direction which crosses the first direction, and a plurality of unit pixels which are electrically connected to each of the gate lines and the data lines. A gate driver generates a clock signal, and a gate signal generator receives the clock signal and outputs a generated gate signal to the gate line. A clock line transmits the clock signal to the gate signal generator, and a flexible film disposed adjacent to the gate signal generator in the first direction is connected to the display panel in the peripheral area. At least a portion of the clock line is formed on the flexible film.