DISPLAY DEVICE Russian patent published in 2012 - IPC G06F3/41 

FIELD: information technology.

SUBSTANCE: display device has a photosensor in the pixel region of an active matrix substrate, having: a photodetector element receiving incident light; a storage unit connected to the photodetector element, wherein the potential of the storage unit varies according to output current of the photodetector element; apparatus for connecting the reset signal which feed the reset signal to the photosensor; apparatus for connecting the read signal which feed the read signal to the photosensor; and switching element for the sensor for reading potential of the storage unit at the output as the output of the sensor circuit.

EFFECT: high accuracy of output data of the photosensor circuit.

7 cl, 30 dwg