Patent ID: 7967462

Claim:
A liquid crystal display apparatus comprising: a liquid crystal display; a light source disposed on a back side of said liquid crystal display; and an optical guide member for irradiating light from said light source to said liquid crystal display, wherein: said light source includes a substrate and a plurality of light emitting elements mounted on said substrate, and each light emitting element is disposed in such a manner that a direction of an optical axis of said light emitting element having a highest luminance is disposed at a predetermined inclination angle relative to a plane of said liquid crystal display; said optical guide member has an optical guide portion having a wedge shape on a plane facing each light emitting element, and said optical guide portion has a first flat plane generally perpendicular to said optical axis of each light emitting element for receiving light from each light emitting element and a second flat plane having a predetermined angle relative to said optical axis and intersecting said first flat plane for reflecting light; a ridge line formed by said first flat plane and said second flat plane is positioned closer to the substrate than a plane including portions of said plurality of light emitting elements furthest from the substrate; both high angle radiation light and low angle radiation light emitted from each light emitting element are incident on said first flat plane facing said light emitting element; and a plurality of said optical guide portions are disposed in a plane and formed integrally along a predetermined direction corresponding to the inclination direction of said light emitting elements.