Patent ID: 8416227
Filing Date: 2013-04-09
Classification: G02F

Abstract:
1. A display device including a plurality of optical sensors, the display device comprising: a display panel including a plurality of pixel circuits and a plurality of optical sensors which are arranged two-dimensionally; filter portions that are provided in respective paths of light entering the optical sensors and that allow infrared light to pass therethrough and cut off visible light; a backlight that is provided on a back surface side of the display panel and that emits at least light passing through the filter portions; wherein the backlight includes a first luminous element that emits visible light; a second luminous element that emits infrared light; a light guide plate; and a reflection sheet that is provided on one surface of the light guide plate and that allows infrared light to pass therethrough and reflects visible light, wherein the first luminous element is arranged along a side surface of the light guide plate, and wherein the second luminous element is arranged on a side of the surface of the light guide plate where the reflection sheet is provided.