Surface light source apparatus and liquid crystal display apparatus
AssigneeSharp Kabushiki Kaisha
InventorMayumi Nakamura
Life of this patent
Estimating the term…
Abstract
The present invention employs a configuration described as follows, so as to realize a surface light source apparatus which attain a thinness and a further improved luminance uniformity without suffering a deterioration in luminance. Specifically, space maintaining sections (6) are provided on a substrate (4) onto which light sources (2) are mounted, so as to cause an optical sheet (5) and a light emitting surface made up of outputting surfaces (1c) to be away from each other by a given distance. The space marinating sections 6 are provided so as to protrude from respective gaps each of which occurs between adjacent two of light guides (1) which are juxtaposed so as not to overlap each other.
Claims7
A surface light source apparatus, comprising:
- a plurality of combinations each including (i) a light source and (ii) a light guide which diffuses light emitted from the light source and causes surface emission of the light;
- a substrate on which the light sources are mounted;
- an optical sheet provided above a light emitting surface made up of outputting surfaces of the respective light guides;
- and
- a space maintaining section which causes the light emitting surface and the optical sheet to be away from each other by a given distance, the space maintaining section being provided on the substrate so as to protrude from a gap between adjacent two of the light guides which are juxtaposed so as not to overlap each other.
Dependencies are inferred from the claim text.