公开(公告)号：US20160012778A1

公开(公告)日：2016-01-14

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: G09G3/32

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 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 scan 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.

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，每个子像素具有包括参考电压供给晶体管的补偿电路，该参考电压晶体管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或漏电极的节点 提供扫描信号以扫描面板的扫描线的扫描驱动器，向面板的数据线提供扫描信号的数据驱动器，控制扫描驱动器和数据驱动器的定时控制器以及提供扫描信号的参考电压补偿单元 参考电压包括与参考电压相对于子像素产生的纹波相反的反向电压并且消除纹波。

公开(公告)号：US20140184481A1

公开(公告)日：2014-07-03

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: G09G3/32 ,  H01L21/66

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：US20230206803A1

公开(公告)日：2023-06-29

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 ,  G09G2310/08 ,  G09G2330/021 ,  G09G2300/0842

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：US20190180693A1

公开(公告)日：2019-06-13

申请号：US16213608

申请日：2018-12-07

Applicant: LG Display Co., Ltd.

Inventor： Jihun KIM

IPC: G09G3/3275 ,  G09G3/3233

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：US20160117974A1

公开(公告)日：2016-04-28

申请号：US14880747

申请日：2015-10-12

Applicant: LG Display Co., Ltd.

Inventor： Hyunchul BACK ,  Jihun KIM

IPC: G09G3/20

CPC classification number: G09G3/3275 ,  G09G3/3225 ,  G09G2300/0452 ,  G09G2310/027 ,  G09G2320/0285 ,  G09G2320/0295 ,  G09G2320/045

Abstract: The present invention provides a display device comprising: a display panel including data lines, gate lines, a sub-pixel formed in every point where the gate lines and the data lines cross, and a sensing line formed in every sub-pixel row or every two or more sub-pixel rows, the sensing line being connected to a circuit in the sub-pixel row; a data driving unit that provides a data voltage to the data lines; an Analog Digital Converter (ADC) that converts a sensing voltage measured through a sensing channel corresponding to each sensing line into sensing data of a digital type; and a timing controller that controls the data driving unit, and performs a pixel compensation which changes data provided to a corresponding sub-pixel based on the sensing data, and when the sensing data is abnormal, changes the data provided to the corresponding sub-pixel based on previous sensing data.

Abstract translation: 本发明提供一种显示装置，包括：显示面板，包括数据线，栅极线，在栅极线和数据线交叉的每个点形成的子像素，以及形成在每个子像素行或每个 两个或更多个子像素行，感测线连接到子像素行中的电路; 数据驱动单元，向数据线提供数据电压; 模拟数字转换器（ADC），其将通过对应于每个感测线的感测通道测量的感测电压转换成数字类型的感测数据; 以及定时控制器，其控制数据驱动单元，并且执行基于感测数据改变提供给相应子像素的数据的像素补偿，并且当感测数据异常时，改变提供给相应子像素的数据 基于以前的感测数据。