公开(公告)号：US20150145758A1

公开(公告)日：2015-05-28

申请号：US14552083

申请日：2014-11-24

Applicant: LG DISPLAY CO., LTD.

Inventor： SungGae LEE ,  Dong-Woo LEE

IPC: G09G3/36

CPC classification number: G09G3/3648 ,  G09G3/3614 ,  G09G3/3696 ,  G09G2320/0257 ,  G09G2320/0276 ,  G09G2320/0673 ,  G09G2330/021

Abstract: Disclosed is a display device for configure to decrease power consumption. The device comprises a display panel having a plurality of data lines and gate lines crossing in a matrix form, wherein a pixel is defined at each crossing thereof; a data driver connected to the plurality of data and supplying analog data voltages converted from digital data voltages to odd data lines and even data lines respectively according to an odd gamma reference voltage and an even gamma reference voltage; a gamma generator outputting one of a positive gamma reference voltage and a negative gamma reference voltage as the odd gamma reference voltage, and one of the positive gamma reference voltage and the negative gamma reference voltage as the even gamma reference voltage to the data driver; and a timing controller generating a control signal for driving the display panel.

Abstract translation: 公开了一种用于配置以降低功耗的显示装置。 该装置包括具有以矩阵形式交叉的多条数据线和栅极线的显示面板，其中在其每个交叉处限定像素; 连接到所述多个数据的数据驱动器，并且根据奇数伽马参考电压和偶数伽马参考电压分别提供从数字数据电压转换成奇数数据线和偶数数据线的模拟数据电压; 输出正伽马参考电压和负伽马参考电压之一作为奇数伽马参考电压的伽马发生器，以及将正伽马参考电压和负伽马参考电压之一作为偶数伽马参考电压输出到数据驱动器; 以及产生用于驱动显示面板的控制信号的定时控制器。

公开(公告)号：US20180181248A1

公开(公告)日：2018-06-28

申请号：US15838822

申请日：2017-12-12

Applicant: LG Display Co., Ltd.

Inventor： SeHyun CHANG ,  Dong-Woo LEE

IPC: G06F3/041 ,  G06F3/044

CPC classification number: G06F3/0414 ,  G06F3/0412 ,  G06F3/0416 ,  G06F3/0418 ,  G06F3/044 ,  G06F2203/04112 ,  G09G2310/0264

Abstract: A touch display device, as well as its driving method, is capable of supplying a touch driving signal for touch sensing and a force touch driving signal for force touch sensing, while also reducing current consumption. A driving circuit of the touch display device changes the number of changing a pulse waveform of a sync signal between a high logic level and a low logic level, wherein the sync signal is provided to control a touch driving signal supplied to a plurality of touch electrodes, and a force touch driving signal supplied to a display module.

公开(公告)号：US20190096329A1

公开(公告)日：2019-03-28

申请号：US16139729

申请日：2018-09-24

Applicant: LG Display Co., Ltd.

Inventor： Yong-Chul KWON ,  Dong-Won PARK ,  Dong-Woo LEE ,  Joon-Hee LEE

IPC: G09G3/3258 ,  H01L27/32

CPC classification number: G09G3/3258 ,  G09G3/3225 ,  G09G2300/0842 ,  G09G2300/0866 ,  G09G2310/08 ,  G09G2320/0295 ,  G09G2320/043 ,  G09G2320/048 ,  G09G2360/16 ,  H01L27/3297

Abstract: An organic light-emitting diode (OLED) display can include a display panel including sub-pixels; a deterioration sensing unit configured to sense a deterioration state of the display panel; a power supply configured to output a high voltage for driving the sub-pixels; and a timing controller configured to: receive a deterioration sensing result including information on the deterioration state of the display panel from the deterioration sensing unit, continuously vary the high voltage based on the deterioration sensing result received from the deterioration sensing unit, and provide the varied high voltage to the sub-pixels.