发明名称 Projection-type picture display apparatus and screen used thereby
摘要 A screen for use in a projection-type image display apparatus having an image displaying element which includes a plurality of pixels for modulating light from a light source so as to form an enlarged picture on the screen. The screen includes a Fresnel lens sheet having Fresnel lenses on a light emission side, a first sheet disposed on the light emission side of the Fresnel lens sheet, and a second sheet disposed on a light emission side of the first sheet and adhered thereto. The first sheet includes a plurality of lenticular lenses formed on a light incident side which extend in a longitudinal direction and are arranged in a horizontal direction, with light passing window portions being formed at positions opposing the lenticular lenses and with light absorbing portions provided therebetween. The second sheet includes a light scattering element therein.
申请公布号 US7221507(B2) 申请公布日期 2007.05.22
申请号 US20060325521 申请日期 2006.01.05
申请人 发明人
分类号 G03B21/56 主分类号 G03B21/56
代理机构 代理人
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