发明名称 Ambient light absorbing screen
摘要 A projection screen for receiving projector light from a projector facing direction includes a substrate having a plurality of features. Each of the features includes a reflective surface oriented to the projector facing direction. Each of the reflective surfaces is curved in a first direction to provide a desired horizontal viewing angle, and is curved in a second direction to provide a desired vertical viewing angle.
申请公布号 US7499214(B2) 申请公布日期 2009.03.03
申请号 US20060590506 申请日期 2006.10.31
申请人 HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. 发明人 NOVET THOMAS E;SMITH GILBERT G
分类号 G03B21/60 主分类号 G03B21/60
代理机构 代理人
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