Patent ID: 8390607

Claim:
A liquid crystal display panel, comprising: a plurality of first scan lines; a plurality of first data lines; a plurality of first thin film transistors respectively disposed at intercrosses of the plurality of first scan lines and the plurality of first data lines, and each of the first thin film transistors being connected to the first data line and the first scan line; a plurality of liquid crystal pixel units each being driven respectively by the first thin film transistor; a built-in photo detecting module detecting light and outputting a multi-bit digital signal corresponding to intensity of the light, wherein the built-in photo detecting module comprising: at least one second scan line, at least one second data line and a plurality of photo detecting units, wherein each of the photo detecting units comprises a second thin film transistor, at least one storage capacitor and at least one photo transistor and the second thin film transistor, the storage capacitor and the photo transistor are electrically connected, and wherein each of the second thin film transistors is connected to the second scan line and the second data line; and a color filter disposed upon the plurality of the first thin film transistors and the plurality of photo detecting units, wherein the color filter is provided with multiple transparent apertures of different sizes, and locations of the multiple transparent apertures are respectively corresponded to the plurality of photo detecting units.