K&L Gates LLP
Illumination apparatus and liquid crystal display apparatus
An illumination apparatus is disclosed. The illumination apparatus includes a polarization plate, a light source, and a light transmission film. The light transmission film is disposed between the polarization plate and the light source and includes a plurality of prisms formed on a surface thereof, the plurality of prisms each having a ridge line in a first direction and being continuously arranged in a second direction perpendicular to the first direction. In the illumination apparatus, the light transmission film is disposed such that a ridge line direction of the plurality of prisms is one of a perpendicular direction and an approximately perpendicular direction to a transmission axis of the polarization plate.
Sony Corporation
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G02B G02F G02B G02F
inventional inventional inventional additional
Hiroshi Kei Akihiro Mitsunari Noriyuki Jun
Mizuno Obata Horii Hoshi Hirai Shimizu