Oblon, Spivak, McClelland, Maier & Neustadt, P.C.
LCD device including an illumination device having a polarized light separating sheet between a light guide and the display
An illumination device for a direct viewing type display element comprising a flat light guide; a light source set such that light is incident on a side portion of said flat light guide; a polarized light separating flat set on a first side of a light emitting side of the flat light guide for transmitting a p polarized light component and reflecting at least a portion of an a polarized light component with respect to a light ray substantially having a predetermined direction of incidence; and a light reflecting sheet disposed on a second side opposite to said light emitting side of the flat light guide in parallel with the light emitting site.
Asahi Glass Company Ltd.
Hiroshi Yutaka Tomoki Hiroaki Masao Yoshiharu Tetsuro
Hasebe Nakagawa Gunjima Ito Ozeki Ooi Matsumoto