Patent ID: 8797297

Claim:
A display device having a function of identifying a position of a subject to be detected in an image display region of a display panel by radiating light to the image display region and by detecting light reflected by the subject to be detected, the display device comprising: a first light-emitting unit and a second light-emitting unit that radiate light to the image display region, wherein the first light-emitting unit is disposed on a side opposite to an image display surface of the display panel, and radiates light to the image display region from a rear surface side of the display panel, and wherein the second light-emitting unit is disposed outside of the image display region, and radiates light to the image display region without having the display panel therebetween, wherein the first light-emitting unit comprises a light source for image display and a first light source that emits light to the image display region for identifying a position of a subject to be detected, wherein the second light-emitting unit comprises at least one second light source that emits light to the image display region for identifying a position of a subject to be detected.