Patent ID: 7221508
Filing Date: 2007-05-22
Classification: G03B

Abstract:
1. A reflex-type screen for reflecting polarized light comprising: a reflecting layer for reflecting back incident light; a lower adhesive layer including adhesive material; a polarization layer for transmitting polarized light; an upper adhesive layer including adhesive material; and a surface diffusion layer for transmitting a part of the incident light and diffusing and reflecting the other part of the incident light in its surface; wherein said reflecting layer, said lower adhesive layer, said polarization layer, said upper adhesive layer, and said surface diffusion layer are stacked in this order from opposite side of a light source; and wherein at least one of said upper adhesive layer and said lower adhesive layer includes a diffusing agent dispersedly, and at least one of said upper adhesive layer and said lower adhesive layer includes a light absorbing material, and absorbs a part of transmitted light.