Patent ID: 8733998

Claim:
A display device comprising: a display panel; a light source generating light; a light guide plate guiding the light; a receptacle accommodating the light source and the light guide plate; a plurality of optical sheets interposed between the display panel and the light guide plate; an optical sensor fixed to the receptacle; a light receiving hole formed at an edge of the receptacle, wherein the light receiving hole provides a path through which a portion of the light reaches the optical sensor; and an optical adjustment member interposed between the light guide plate and the optical sensor, wherein the optical adjustment member reduces luminance of the light incident to the optical sensor; wherein the optical sensor is exposed to the optical adjustment member through the light receiving hole, wherein the optical adjustment member is integrally formed with a reflection sheet which is accommodated in the receptacle without being a part of the receptacle, and which does not overlap with the optical sheets.