Patent ID: 8928644
Filing Date: 2015-01-06
Classification: G01J,G06F,H01L

Abstract:
1. A display device comprising: a display region comprising a first pixel and a second pixel, the first pixel comprising: a first semiconductor of a first transistor; a second semiconductor of a second transistor; an insulating film over the first semiconductor and the second semiconductor; a first photodiode comprising a third semiconductor over the insulating film, the first photodiode electrically connected to the first transistor; and a first display element over the insulating film, the first display element electrically connected to the second transistor; and the second pixel comprising: a fourth semiconductor of a third transistor; a fifth semiconductor of a fourth transistor; the insulating film over the fourth semiconductor and the fifth semiconductor; a second photodiode comprising a sixth semiconductor over the insulating film, the second photodiode electrically connected to the third transistor; and a second display element over the insulating film, the second display element electrically connected to the fourth transistor, wherein the first photodiode is configured to detect visible light, wherein a sensitivity of the first photodiode is adjustable, and wherein the second photodiode is configured to detect an infrared ray.