Patent ID: 8636373

Claim:
A spread illuminating apparatus comprising: a point-like light source; a flexible printed circuit board on which the point-like light source is mounted; and a light guiding plate including: a light incident face, at which the point-like light source is placed; and a light output portion with a light output face for planarly outputting light that has entered from the light incident face, wherein the light guiding plate has an inclined portion between the light incident face and the light output portion, the inclined portion having an inclined face and being configured to gradually reduce in thickness in a direction from the light incident face toward the light output portion, the flexible printed circuit board is placed on the light guiding plate from the side of the inclined face, and has a mounting portion mounting the point-like light source, and a bent portion bent with respect to the mounting portion and fixed to the inclined face of the inclined portion, and the bent portion includes a thickness reduced portion at least at the side of the front end thereof, the thickness reduced portion having a thickness less than the mounting portion.