公开(公告)号：US20170038898A1

公开(公告)日：2017-02-09

申请号：US15229033

申请日：2016-08-04

Applicant: LG Display Co., Ltd.

Inventor： Taegung KIM ,  Jongmin LEE ,  Jinhan YOON

IPC: G06F3/041 ,  G09G3/3225 ,  G09G3/3266

CPC classification number: G06F3/0416 ,  G02F1/13338 ,  G06F3/0412 ,  G06F3/044 ,  G09G3/3225 ,  G09G3/3233 ,  G09G3/3266 ,  G09G2300/0842 ,  G09G2310/027 ,  G09G2354/00

Abstract: A touch sensor integrated display device and a method for driving the same are disclosed. The touch sensor integrated display device includes a display panel, each pixel of a pixel array including an OLED and a driving TFT applying a source-drain current to the OLED, the pixel array being divided into touch blocks, each touch block including pixels and a sensing target pixel line coupled to a subset of the pixels, and a panel drive circuit configured to, in a touch sensing period, supply a scan control signal and a sensing control signal to the sensing target pixel line corresponding to a touch block, set a gate-source voltage of the driving TFT coupled to the sensing target pixel line to turn on the driving TFT, and output a sensing value by sensing a change in the source-drain current of the driving TFT caused by a touch input.

Abstract translation: 公开了一种触摸传感器集成显示装置及其驱动方法。 触摸传感器集成显示装置包括显示面板，包括OLED的像素阵列的每个像素和向OLED施加源极 - 漏极电流的驱动TFT，像素阵列被分成触摸块，每个触摸块包括像素和 耦合到所述像素的子集的感测对象像素线，以及面板驱动电路，被配置为在触摸感测时段中将扫描控制信号和感测控制信号提供给对应于触摸块的感测对象像素线， 耦合到感测对象像素线的驱动TFT的栅极 - 源极电压以导通驱动TFT，并且通过感测由触摸输入引起的驱动TFT的源极 - 漏极电流的变化来输出感测值。

公开(公告)号：US20180114492A1

公开(公告)日：2018-04-26

申请号：US15783832

申请日：2017-10-13

Applicant: LG Display Co., Ltd.

Inventor： Junghyeon KIM ,  Jinhan YOON ,  Hanjin BAE

IPC: G09G3/3291

CPC classification number: G09G3/3291 ,  G09G3/2088 ,  G09G3/3233 ,  G09G3/3266 ,  G09G2310/0221 ,  G09G2310/027 ,  G09G2310/0297 ,  G09G2310/08 ,  G09G2320/0233 ,  G09G2330/021 ,  G09G2330/028 ,  G09G2330/12

Abstract: The present invention provides a display device that comprises a display panel displaying an image, M reference voltage generators (M is an integer of 2 or greater) that respectively supply reference voltages to N display areas (N is an integer of 2 or greater) defined on the display panel, and a voltage variation corrector that corrects for voltage variations between the M reference voltages (M is an integer of 2 or greater).

公开(公告)号：US20180114483A1

公开(公告)日：2018-04-26

申请号：US15782469

申请日：2017-10-12

Applicant: LG Display Co., Ltd.

Inventor： Taegung KIM ,  Kyungrok KIM ,  Jinhan YOON

IPC: G09G3/3225 ,  H01L27/32

Abstract: A display device and a driving method of the display device are disclosed. The display device includes a display panel including a plurality of pixels, wherein each of the pixels is composed of three sub-pixels among a first color sub-pixel, a second color sub-pixel, a third color sub-pixel, and a fourth color sub-pixel, an image processing unit configured to change a color combination on a time axis in at least one of the pixels, and render sub-pixel data of an input image in the color combination, and a display panel driving circuit configured to write data received from the image processing unit to the pixels.

公开(公告)号：US20150379937A1

公开(公告)日：2015-12-31

申请号：US14586567

申请日：2014-12-30

Applicant: LG DISPLAY CO., LTD.

Inventor： Taegung KIM ,  Junghyeon KIM ,  Jinhan YOON

IPC: G09G3/32 ,  G09G3/00

CPC classification number: G09G3/3291 ,  G09G3/006 ,  G09G3/3225 ,  G09G3/3233 ,  G09G3/3258 ,  G09G3/3275 ,  G09G2300/0819 ,  G09G2300/0828 ,  G09G2310/027 ,  G09G2310/0291 ,  G09G2310/08 ,  G09G2320/0223 ,  G09G2320/0285 ,  G09G2320/029 ,  G09G2320/045 ,  G09G2330/12

Abstract: An organic light emitting display is provided which offers shorter sensing time and higher sensing accuracy when sensing variations in electrical characteristics of a driving element. The organic light emitting display can include: a display panel with a plurality of pixels; a gate driving circuit that generates a sensing gate pulse corresponding to one line sensing ON time in a sensing operation and sequentially supplies the same to gate lines in a line sequential manner; a data driving circuit comprising a plurality of current integrators that perform an integration of the source-drain current of the driving TFT of each pixel input through the sensing lines and an ADC that sequentially digitizes the output of the current integrators to output digital sensed values; and a timing controller that controls the operations of the gate driving circuit and data driving circuit.

Abstract translation: 提供一种有机发光显示器，当感测驱动元件的电特性的变化时，其提供较短的感测时间和更高的感测精度。 有机发光显示器可以包括：具有多个像素的显示面板; 栅极驱动电路，其在感测动作中产生对应于一行感测导通时间的感测门脉冲，并且以行顺序方式依次将其提供给栅极线; 数据驱动电路，包括多个电流积分器，其执行通过感测线输入的每个像素的驱动TFT的源极 - 漏极电流的积分;以及ADC，其顺序数字化当前积分器的输出以输出数字感测值; 以及控制门驱动电路和数据驱动电路的动作的定时控制器。