公开(公告)号：US10777140B2

公开(公告)日：2020-09-15

申请号：US16422388

申请日：2019-05-24

Applicant: LG Display Co., Ltd.

Inventor： Hyunwook Kim ,  Hyuckjun Kim ,  Kyungrok Kim ,  Sanghoon Lee

IPC: G09G3/3233 ,  G09G3/3258

Abstract: The organic light emitting display device according to the present disclosure comprises an input unit configured to receive image data input at a variable frame frequency, a sensing control unit configured to generate a sensing control signal for sensing pixels to which the image data is to be applied, in a vertical blank period varying according to the variable frame frequency and a TFT compensating unit configured to sense driving characteristics of a driving element included in the pixels according to the sensing control signal to output a first sensing result. Among one variable frame period, a vertical active period for applying the image data to the pixels is fixed and the vertical blank period in which no image data is applied to the pixels is varied according to the variable frame frequency.

公开(公告)号：US10522081B2

公开(公告)日：2019-12-31

申请号：US15827669

申请日：2017-11-30

Applicant: LG DISPLAY CO., LTD.

Inventor： Kyungrok Kim ,  Taegung Kim ,  Hyunwook Kim

IPC: G09G3/3233 ,  G09G3/3291 ,  G09G3/32 ,  G09G3/36 ,  H01L27/32 ,  G09G3/20

Abstract: An electroluminescent display and a driving device of the electroluminescent display are discussed. The electroluminescent display includes first and second active areas divided from a screen, a first timing controller configured to transmit the pixel data of the first active area to be displayed on the first active area to a first driving circuit writing pixel data to pixels of the first active area, a second timing controller configured to transmit the pixel data of the second active area to be displayed on the second active area to a second driving circuit writing pixel data to pixels of the second active area, and a bridge circuit configured to distribute an input image to the first and second timing controllers, detect a logo data block from the input image, and transmit the logo data block to the first and second timing controllers.

公开(公告)号：US11036339B2

公开(公告)日：2021-06-15

申请号：US16038890

申请日：2018-07-18

Applicant: LG DISPLAY CO., LTD.

Inventor： Taegung Kim ,  Kyungrok Kim ,  Juyoung Noh

IPC: G06F3/044 ,  G06F3/041 ,  G09G3/3275 ,  G09G3/3266 ,  G09G3/3233 ,  G09G3/3291

Abstract: A touch sensor-integrated display device includes a display panel with a pixel array divided into a plurality of touch blocks, each touch block having a plurality of pixels for displaying an input image and at least one touch pixel for sensing touch input; a data drive circuit that applies a charging voltage to the touch pixel in each touch block through a touch sensing line and then senses an electrical charge discharged from the touch pixel and outputs the sensing result as a touch sensing value, wherein a signal line commonly connected to the pixels and the touch pixel in each touch block is used as the touch sensing line; and a timing controller that detects touch input based on the touch sensing value.

公开(公告)号：US10593261B2

公开(公告)日：2020-03-17

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 ,  G09G3/20

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.