公开(公告)号：US09171503B2

公开(公告)日：2015-10-27

申请号：US14095773

申请日：2013-12-03

Applicant: LG DISPLAY CO., LTD.

Inventor： Jihun Kim ,  Sangho Yu ,  Woojin Nam ,  Joongsun Yoon ,  Minkyu Chang

IPC: G09G3/30 ,  G09G3/32

CPC classification number: G09G3/3258 ,  G09G3/3233 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2320/0209 ,  G09G2320/045

Abstract: An organic light emitting display, a method for driving the same, and a method for manufacturing the same are discussed. The organic light emitting display according to an embodiment includes a panel including subpixels each having a compensation circuit including a reference voltage supply transistor, which receives a reference voltage and initializes a node of a gate electrode of a driving transistor using the reference voltage, a scan driver supplying a scan signal to scan lines of the panel, a data driver supplying a data signal to data lines of the panel, a timing controller controlling the scan driver and the data driver, and a reference voltage compensation unit which varies the reference voltage on each scan line and supplies the reference voltage to the subpixels.

Abstract translation: 讨论有机发光显示器，其驱动方法及其制造方法。 根据实施例的有机发光显示器包括具有子像素的面板，每个子像素具有补偿电路，该补偿电路包括参考电压供应晶体管，其接收参考电压并使用参考电压初始化驱动晶体管的栅电极的节点;扫描 提供扫描信号以对面板进行扫描的扫描信号的驱动器，向面板的数据线提供数据信号的数据驱动器，控制扫描驱动器和数据驱动器的定时控制器，以及参考电压补偿单元， 每个扫描线并将参考电压提供给子像素。

公开(公告)号：US11972715B2

公开(公告)日：2024-04-30

申请号：US17977389

申请日：2022-10-31

Applicant: LG DISPLAY CO., LTD.

Inventor： Jihun Kim ,  Joon-Min Park

IPC: G09G3/20

CPC classification number: G09G3/20 ,  G09G2300/0452 ,  G09G2300/0842 ,  G09G2310/08 ,  G09G2330/021

Abstract: A display apparatus includes a display panel including data lines extending in a first direction, gate lines extending in a second direction which differs from the first direction, and unit pixels connected to the data lines and the gate lines, wherein each of the unit pixels includes a white pixel and a plurality of color pixels, an nth white pixel arranged at an nth position among white pixels arranged in the first direction is connected to an odd white data line (where n is an odd number), and an n+1th white pixel arranged at an n+1th position among white pixels arranged in the first direction is connected to an even white data line.

公开(公告)号：US09779663B2

公开(公告)日：2017-10-03

申请号：US14864659

申请日：2015-09-24

Applicant: LG DISPLAY CO., LTD.

Inventor： Jihun Kim ,  Sangho Yu ,  Woojin Nam ,  Joongsun Yoon ,  Minkyu Chang

IPC: G09G3/30 ,  G09G3/3258 ,  G09G3/3233

CPC classification number: G09G3/3258 ,  G09G3/3233 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2320/0209 ,  G09G2320/045

Abstract: An organic light emitting display, a method for driving the same, and a method for manufacturing the same are discussed. The organic light emitting display according to an embodiment includes a panel including subpixels each having a compensation circuit including a reference voltage supply transistor, which receives a reference voltage and initializes a node of a gate electrode or a drain electrode of a driving transistor using the reference voltage, a scan driver supplying a scan signal to scan lines of the panel, a data driver supplying a data signal to data lines of the panel, a timing controller that controls the scan driver and the data driver, and a reference voltage compensation unit supplying the reference voltage including a reverse voltage opposite a ripple generated in the reference voltage to the subpixels and cancel the ripple.

公开(公告)号：US20210398472A1

公开(公告)日：2021-12-23

申请号：US17342920

申请日：2021-06-09

Applicant: LG DISPLAY CO., LTD.

Inventor： Jihun Kim

IPC: G09G3/20 ,  G09G3/3291 ,  G09G3/3266

Abstract: A display device, a data driving circuit and a display panel capable of displaying YCbCr image data as WRGB image data while simplifying the structure of the data driving circuit and the display panel are discussed. The display device includes a display panel in which pixels including a white subpixel and a colored subpixel are arranged in a matrix form, and subpixels are disposed in a region where gate lines extending in a first direction and data lines extending in a second direction intersect, a gate driving circuit driving the gate lines, a data driving circuit driving the data lines, and a timing controller for controlling the gate driving circuit and the data driving circuit. In the display panel, a luminance data voltage is applied to the white subpixel, and a same data voltage is applied to two colored subpixels adjacent in the first direction.

公开(公告)号：US10699646B2

公开(公告)日：2020-06-30

申请号：US16213608

申请日：2018-12-07

Applicant: LG Display Co., Ltd.

Inventor： Jihun Kim

IPC: G09G3/36 ,  G09G3/3275 ,  G09G3/3233 ,  G09G3/3266

Abstract: A data driver and an organic light-emitting display device using the same. The data driver includes a first amplifier, a sample/hold circuit, a first switch circuit, and a second switch circuit. The first switch circuit selectively connects a driving initialization voltage and a sensing initialization voltage to a first data line and a second data line. The second switch circuit selectively connects the first amplifier to the first data line and the second data line and selectively connecting the sample/hold circuit to the first data line and the second data line.

公开(公告)号：US09576522B2

公开(公告)日：2017-02-21

申请号：US13941966

申请日：2013-07-15

Applicant: LG DISPLAY CO., LTD.

Inventor： Jihun Kim ,  Hyojin Park

IPC: G09G5/00 ,  G09G3/32

CPC classification number: G09G3/3208 ,  G09G2300/0426 ,  G09G2320/0209 ,  G09G2320/0223

Abstract: An organic light emitting display includes a plurality of pixels formed at crossings of data lines and gate line parts and a main power supply line part supplying a cell driving voltage to the pixels. The main power supply line part includes a plurality of main power supply lines disposed along a first direction and main power supply line connection patterns for connecting the adjacent main power supply lines along a second direction substantially perpendicular to the first direction. The main power supply line connection patterns are staggered along the second direction.

Abstract translation: 有机发光显示器包括在数据线和栅极线部分的交叉处形成的多个像素和向像素提供单元驱动电压的主电源线部分。 主电源线部分包括沿着第一方向布置的多个主电源线和用于沿着与第一方向大致垂直的第二方向连接相邻主电源线的主电源线连接图案。 主电源线连接图案沿第二方向交错。

公开(公告)号：US20140184579A1

公开(公告)日：2014-07-03

申请号：US13941966

申请日：2013-07-15

Applicant: LG DISPLAY CO., LTD.

Inventor： Jihun Kim ,  Hyojin Park

IPC: G09G3/32

CPC classification number: G09G3/3208 ,  G09G2300/0426 ,  G09G2320/0209 ,  G09G2320/0223

Abstract: An organic light emitting display includes a plurality of pixels formed at crossings of data lines and gate line parts and a main power supply line part supplying a cell driving voltage to the pixels. The main power supply line part includes a plurality of main power supply lines disposed along a first direction and main power supply line connection patterns for connecting the adjacent main power supply lines along a second direction substantially perpendicular to the first direction. The main power supply line connection patterns are staggered along the second direction.

Abstract translation: 有机发光显示器包括在数据线和栅极线部分的交叉处形成的多个像素和向像素提供单元驱动电压的主电源线部分。 主电源线部分包括沿着第一方向布置的多个主电源线和用于沿着与第一方向大致垂直的第二方向连接相邻主电源线的主电源线连接图案。 主电源线连接图案沿第二方向交错。

公开(公告)号：US11776447B2

公开(公告)日：2023-10-03

申请号：US17690808

申请日：2022-03-09

Applicant: LG DISPLAY CO., LTD.

Inventor： Jihun Kim

IPC: G09G3/20 ,  G09G3/3291 ,  G09G3/3266

CPC classification number: G09G3/2003 ,  G09G3/3266 ,  G09G3/3291 ,  G09G2300/0452 ,  G09G2310/08 ,  G09G2360/02

Abstract: A display device includes a display panel in which a plurality of pixels including first, second, and third subpixels disposed in a region where a plurality of gate lines extending in a first direction and a plurality of data lines extending in a second direction intersect. The display device further includes a gate driving circuit configured to drive the plurality of gate lines, a data driving circuit configured to drive the plurality of data lines, and a timing controller configured to control the gate driving circuit and the data driving circuit. In the display panel, a first data voltage is applied to the first subpixel, and a second data voltage is applied to the second subpixels or the third subpixels.

公开(公告)号：US20220198985A1

公开(公告)日：2022-06-23

申请号：US17690808

申请日：2022-03-09

Applicant: LG DISPLAY CO., LTD.

Inventor： Jihun Kim

IPC: G09G3/20 ,  G09G3/3291 ,  G09G3/3266

Abstract: A display device includes a display panel in which a plurality of pixels including first, second, and third subpixels disposed in a region where a plurality of gate lines extending in a first direction and a plurality of data lines extending in a second direction intersect. The display device further includes a gate driving circuit configured to drive the plurality of gate lines, a data driving circuit configured to drive the plurality of data lines, and a timing controller configured to control the gate driving circuit and the data driving circuit. In the display panel, a first data voltage is applied to the first subpixel, and a second data voltage is applied to the second subpixels or the third subpixels.

公开(公告)号：US11302237B2

公开(公告)日：2022-04-12

申请号：US17342920

申请日：2021-06-09

Applicant: LG DISPLAY CO., LTD.

Inventor： Jihun Kim

IPC: G09G3/20 ,  G09G3/3291 ,  G09G3/3266

Abstract: A display device, a data driving circuit and a display panel capable of displaying YCbCr image data as WRGB image data while simplifying the structure of the data driving circuit and the display panel are discussed. The display device includes a display panel in which pixels including a white subpixel and a colored subpixel are arranged in a matrix form, and subpixels are disposed in a region where gate lines extending in a first direction and data lines extending in a second direction intersect, a gate driving circuit driving the gate lines, a data driving circuit driving the data lines, and a timing controller for controlling the gate driving circuit and the data driving circuit. In the display panel, a luminance data voltage is applied to the white subpixel, and a same data voltage is applied to two colored subpixels adjacent in the first direction.