Patent ID: 8314782

Claim:
A display apparatus comprising: a display section; a light radiating section; a plurality of light converging lenses; and a plurality of light receiving devices, wherein said display section includes pixel areas each used for creating a pixel section, and sensor areas each used for creating one of said light receiving devices, said light radiating section outputs light and radiates said output light to said display section from a particular-side surface of said display section, each of said light converging lenses is created at a location corresponding to one of said sensor areas each located in said display section and converges light generated by said light radiating section on a focal point inside said display section, passing on said converged light to the other-side surface of said display section, and each of said light receiving devices is created in one of said sensor areas to serve as a device for receiving light which arrives at said other-side surface of said display section as light reflected by a subject of detection and further wherein a plurality of said light converging lenses are created to form lens arrays, comprising, a first lens array and a second lens array; each of said light converging lenses in said second lens array is at a location corresponding to one of said sensor areas to serve as a lens having a focal point in said display section; and each of said light converging lenses in said first lens array is at a location corresponding to one of said sensor areas to serve as a lens having a focal distance longer than the focal distance of each of said light converging lenses created in said second lens array.