Patent ID: 6953265
Filing Date: 2005-10-11
Classification: F21W,F21Y,G09F,H01L,Y10S

Abstract:
1. A light source device, comprising: a light shielding member having at least one annular-shaped aperture; a light source adjacent to said light shielding member; and a reflecting member having at least one reflecting surface, said light source being disposed between said light shielding member and said reflecting member, wherein said reflecting member comprises a shape for reflecting light emitted from said light source such that said light is converged on an annular converging area which is substantially formed in said annular-shaped aperture, and wherein said light shielding member comprises a light-shielding plate having inner and outer portions which are separated by said at least one annular-shaped aperture, said light source being mounted at a center of said inner portion.