Patent ID: 6910784

Claim:
A panel light source device comprising: a light guide plate emitting light, incident thereon, from a front face of said light guide plate; a reflecting sheet, provided facing a rear face of the light guide plate, and an end of which sheet is bent, so as to face a side face of the light guide plate; a wire disposed at a side face of the light guide plate sandwiching the reflecting sheet between said wire and said light guide plate; and a slim case housing the light guide plate, the reflecting sheet and the wire, wherein the slim case is constructed of a rear face case and a front face case engaged with the rear face case, a front face of which said rear case is open, the light guide plate, the reflecting sheet and the wire being inserted in said rear case through the front face of said rear case, and wherein the rear face case has a reflecting sheet exposing section formed so that a height of a portion of a side face of the rear face case, which face is adjacent said wire, is lower than the height of a remaining portion of said side face, to thereby expose and make accessible the reflecting sheet.