Display device including sensing unit and sensing method using same
AssigneeLG Display Co., Ltd.
InventorsSoyoung LEE, SeungHwan SHIN
Life of this patent
Estimating the term…
Abstract
Provided are a display device and a sensing method thereof that include: a display panel comprising a plurality of pixels; a first sensing unit configured to detect a touch of the display panel and output a first sensing signal; a second sensing unit configured to detect light and output a second sensing signal; a sensing driver IC configured to output the first sensing signal and the second sensing signal received from the first sensing unit and the second sensing unit as sensing voltages; and a controller configured to divide the sensing voltages received from the sensing device IC into the first sensing signal and the second sensing signal.
Claims20
A display device comprising:
- a display panel including a plurality of pixels;
- a first sensing unit configured to detect a touch on the display panel and output a first sensing signal;
- a second sensing unit configured to detect light on the display panel and output a second sensing signal;
- a sensing driver IC configured to output the first sensing signal and the second sensing signal received from the first sensing unit and the second sensing unit as sensing voltages;
- and
- a controller configured to differentiate between the sensing voltages received from the sensing device IC and the first sensing signal and the second sensing signal.
A display panel comprising:
- a plurality of pixels configured to display an image in accordance with voltages applied to a first electrode and a second electrode;
- a first signal line configured to transfer a first driving signal to the second electrode and receive a first sensing signal corresponding to the first driving signal from the second electrode;
- and
- a second signal line connected to the first signal line and the photo transistor and configured to receive a second sensing signal from the photo transistor.
A sensing method of detecting a touch and light by a sensing unit comprising a photo sensor, the sensing method comprising:
- generating sensing voltages in accordance with a first sensing signal corresponding to a touch and a second sensing signal corresponding to light;
- detecting the sensing voltages;
- and
- identifying a touch by differenticating between the first sensing signal and the second sensing signal through the detected sensing voltages.
Dependencies are inferred from the claim text.