Surface emitting device and liquid crystal display

The invention includes a bar-shaped light source and a light guiding plate for entering a light of the light source from the lateral end surface and emitting the light from the emissive surface, wherein a cover having the bracket shaped cross sectional shape for covering the bar-shaped light source and one portion of the light guiding plate supports the light source at the lateral side portion of the light guiding plate, the bracket-shaped cover made of a spring material in a shape of clip pinches the light guiding plate through a pressing portion on the inner surface of the cover, and the projections extended on the both sides of the cover are adopted to position the light guiding plate accurately in the width direction.