公开(公告)号：US12014682B2

公开(公告)日：2024-06-18

申请号：US17520957

申请日：2021-11-08

Applicant: LG DISPLAY CO., LTD.

Inventor： So Jeong Kim ,  Nam Hun Oh

IPC: G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2320/0233 ,  G09G2320/0276 ,  G09G2320/0626 ,  G09G2320/0673

Abstract: An electroluminescent display device includes a display panel including a plurality of pixels each including a light-emitting element, a display brightness value adjuster configured to output brightness data with different values according to user inputs to adjust screen luminance of the display panel, a duty adjuster configured to adjust an emission duty of the light-emitting element according to the brightness data, and a power adjuster configured to adjust a low-level source voltage to be applied to the pixels within a preset power supply voltage range according to the brightness data, wherein the emission duty of the light-emitting element gradually increases from 0% to an upper limit set to be less than 100%.

公开(公告)号：US09606658B2

公开(公告)日：2017-03-28

申请号：US14496907

申请日：2014-09-25

Applicant: LG Display Co., Ltd.

Inventor： Sun Yeop Kim ,  Jae Sung Yu ,  Young Joon Lee ,  Nam Hun Oh

IPC: G06F3/044 ,  G06F3/041

CPC classification number: G06F3/0412 ,  G06F3/0416 ,  G06F3/044

Abstract: Disclosed is a display device with an integrated touch screen. The display device includes a panel configured to operate in a display driving mode and a touch driving mode, the panel including a plurality of driving electrodes, a plurality of sensing electrodes, and a plurality of data lines including a plurality of first data lines and a plurality of second data lines; and a display driver integrated circuit (IC) configured to apply data voltages to the plurality of first data lines and the plurality of second data lines during the display driving mode of the panel, and the display driver IC configured to apply a ground voltage to the plurality of first data lines and float the plurality of second data lines during the touch driving mode of the panel.