Patent ID: 8469576

Claim:
A light source, comprising: a plurality of light guide plates arranged in rows and columns; a plurality of light emitting diodes (LEDs) positioned adjacent to the plurality of light guide plates so as to provide light to corresponding lateral surfaces of the plurality of light guide plates, wherein each of the plurality of light guide plates includes a first region divided into a plurality of second regions, and wherein LEDs corresponding to each of the plurality of second regions operate together as a unit such that each of the plurality of second regions is independently controllable; and a plurality of reflective members respectively provided on surfaces of the plurality of light guide plates facing the plurality of LEDs, wherein each of the plurality of light guide plates includes: an upper protrusion provided along a first edge thereof and extending over LEDs corresponding thereto; and a lower protrusion provided along a second edge, opposite the first edge thereof, and extending toward LEDs corresponding thereto, wherein the lower protrusion of a first light guide plate and the upper protrusion of a second light guide plate that is adjacent to the first light guide plate face each other, and wherein one of the plurality of reflective members is provided on a lower surface of the upper protrusion facing the LEDs corresponding thereto.