Patent ID: 7534026

Claim:
A light source device comprising: first and second light sources; a first light-guide member on which light from said first light source is incident; a second light-guide member on which light from said second light source is incident; and an emitted light control sheet on which light emitted from said first and second light-guide members is incident and which internally reflects the light from said first light-guide member, and which refracts the light from said second light-guide member; wherein said emitted light control sheet is composed of a transparent material and has a flat plate portion and protrusions formed on a surface of the flat plate portion on the side facing said first light-guide member; apexes of said protrusions are closely contacted to said first light-guide member; and said second light-guide member is disposed on an opposite side of said first light-guide member in relation to the side on which said emitted light control sheet is mounted.