Patent ID: 8587560

Claim:
A display apparatus, comprising: a plurality of display cells each having a display circuit, a predetermined number of adjacent display cells composing a display pixel; a plurality of light receiving cells each having a photosensor configured to receive light from an outside; and a plurality of display signal lines, wherein, said display cells and said light receiving cells are arranged in a row direction perpendicular to said display signal lines and in a column direction parallel with said display signal lines, said light receiving cells in each row are (i) displaced in the row direction between light receiving cells in each adjacent row in a column direction and (ii) adjacent to at least one of a dummy black pixel and a reference cell pixel, wherein each dummy black pixel and reference cell pixel is formed with a black mask, a pattern of a first unit which is composed of two display pixels and one light receiving cell sandwiched therebetween, and at least one of a second unit which is composed of two display pixels and one dummy black pixel sandwiched therebetwen and a third unit which is composed of two display pixels and one reference cell pixel sandwiched therebetween, is arranged repeatedly in the row direction, and said first units in each row are displaced in the row direction between first units in each adjacent row in a column direction.