Photosensitive display device and operating method

The present invention relates to apparatus and operating method of a photosensitive display. The display device includes a plurality of photosensitive pixels, which method comprises the steps of operation: In the write state, to provide some of the pixel data of a first voltage and a first gate voltage, the pixel is irradiated by the light is switched to or maintained a first display state. In the erased state, to provide some of the pixel data of the second voltage and the second gate voltage, the pixel is irradiated by the light is switched to the second display state or maintained.