Patent ID: 7894197

Claim:
An optical sensing module assembled to a frame of a display device, wherein a display module of the display device comprises a display area, and the frame surrounds the display area, the optical sensing module comprising: a casing, pivoted to the frame; an optical sensor, configured in the casing for sensing external light projecting on a side of the casing, wherein the optical sensor is capable of sensing a brightness of the display area when the side of the casing faces the display area and sensing a brightness of an ambient light when the side of the casing doesn't face the display area; a switching device, configured in the casing, comprising a button; and a pushing part, configured on the frame, wherein a position of the pushing part corresponds to the button, when the button is pressed by the pushing part, the optical sensor senses the brightness of the ambient light, and when the button is not pressed by the pushing part, the optical sensor senses the brightness of the display area.