Patent ID: 8208092

Claim:
A liquid crystal display device, comprising: a liquid crystal display panel; and a backlight, wherein: the backlight includes: a light emitting diode substrate on which light emitting diodes are mounted; a reflection sheet that is provided on the light emitting diode substrate and has holes formed therein, each of the light emitting diodes being provided inside each of the holes; lenses provided on each of the light emitting diodes, for diffusing light from the light emitting diodes; each of the lenses is larger than each of the holes, and entirely covers each of the holes and also covers a part of the reflection sheet including an entire periphery of the each of holes; and the reflection sheet has at least one slit formed from each of the holes so as to extend to an outside of a region facing to each of the lenses so that the reflection sheet may be attached after each of the lenses is attached to each of the light emitting diodes.