公开(公告)号：US20230122681A1

公开(公告)日：2023-04-20

申请号：US17963979

申请日：2022-10-11

Applicant: LG Display Co., Ltd.

Inventor： Sangjae Park ,  Minsung Kang

IPC: G09G3/3291 ,  G09G3/3233 ,  G09G3/20

Abstract: Embodiments of the disclosure relate to a display device and a display driving method. Specifically, there may be provided a display device comprising a display panel including a plurality of subpixels and a plurality of driving voltage lines supplying a driving voltage to the plurality of subpixels, a plurality of data driving circuits supplying a data voltage to the display panel, a timing controller controlling the plurality of data driving circuits to supply a compensated data voltage according to a position of the display panel, wherein in the compensated data voltage, a first compensation gain for at least some subpixels is varied depending on positions corresponding to the plurality of data driving circuits in a first direction of the display panel, and a second compensation gain for at least some subpixels is varied depending on distances from the plurality of data driving circuits in a second direction of the display panel.

公开(公告)号：US11869448B2

公开(公告)日：2024-01-09

申请号：US17903124

申请日：2022-09-06

Applicant: LG DISPLAY CO., LTD.

Inventor： Jung-Gyum Kim ,  Minsung Kang

IPC: G09G3/3291 ,  G09G3/3266 ,  H10K59/40 ,  H10K59/65

CPC classification number: G09G3/3291 ,  G09G3/3266 ,  H10K59/40 ,  H10K59/65 ,  G09G2300/0842 ,  G09G2310/0278

Abstract: A display device includes a display panel in which an optical area and a normal area outside the optical area are formed in a display area, wherein the optical area is divided into a transmission area and a light emitting area and wherein the normal area comprises a plurality of light emitting areas; a gate driving circuit configured to supply a gate signal to the display panel; a data driving circuit configured to convert an image data into a data voltage and supply it to the display panel; a display controller configured to control a movement path of the image data so that at least a part of the image data moves over time according to a structure of the optical area when an area where the image data is displayed includes the optical area.

公开(公告)号：US11854495B2

公开(公告)日：2023-12-26

申请号：US17963979

申请日：2022-10-11

Applicant: LG Display Co., Ltd.

Inventor： Sangjae Park ,  Minsung Kang

IPC: G09G3/3291 ,  G09G3/3233 ,  G09G3/20

CPC classification number: G09G3/3291 ,  G09G3/2007 ,  G09G3/2096 ,  G09G3/3233 ,  G09G2300/0828 ,  G09G2300/0842 ,  G09G2320/0233 ,  G09G2330/021 ,  G09G2360/16

Abstract: Embodiments of the disclosure relate to a display device and a display driving method. Specifically, there may be provided a display device comprising a display panel including a plurality of subpixels and a plurality of driving voltage lines supplying a driving voltage to the plurality of subpixels, a plurality of data driving circuits supplying a data voltage to the display panel, a timing controller controlling the plurality of data driving circuits to supply a compensated data voltage according to a position of the display panel, wherein in the compensated data voltage, a first compensation gain for at least some subpixels is varied depending on positions corresponding to the plurality of data driving circuits in a first direction of the display panel, and a second compensation gain for at least some subpixels is varied depending on distances from the plurality of data driving circuits in a second direction of the display panel.

公开(公告)号：US11513632B2

公开(公告)日：2022-11-29

申请号：US17403295

申请日：2021-08-16

Applicant: LG DISPLAY CO., LTD.

Inventor： Jung-Gyum Kim ,  Minsung Kang

IPC: G06F3/041 ,  G06F3/044

Abstract: A touch display device comprises a display panel including a plurality of touch electrodes, and a plurality of touch lines; a touch sensing circuit configured to generate a digital touch sensing output signal by accumulating touch sensing signals transmitted from the plurality of touch electrodes through the plurality of touch lines; and a touch controller configured to control a amplification gain of the touch sensing circuit by extracting a plurality of single touch sensing data having touch peak values from the digital touch sensing output signal and by comparing a distance of touch peak values between adjacent single touch sensing data to a predetermined reference distance.