发明名称 Both-side image film screen
摘要 Disclosed is a double-sided image film screen including a plastic material having a high optical transmission property and a light-refracting material, made of silica, having an optical transmission property and a refractivity of 1.4~2.5, wherein a content and a particle size of the light-refracting material and a thickness of the film screen are designated such that an image incident on the film screen by means of light projected from a projector is dividedly displayed on front and rear surfaces of the film screen, thereby displaying the image formed thereon though the front and rear surfaces thereof, increasing the visibility of the image and eliminating a hot spot generated by a projection light source of the projector. Compared to conventional screens, the double-sided image film screen is advantageous in that it displays the image through the front and rear surfaces thereof.
申请公布号 US2006012876(A1) 申请公布日期 2006.01.19
申请号 US20050527715 申请日期 2005.03.11
申请人 CHOI HAE-YONG 发明人 CHOI HAE-YONG
分类号 G03B21/60;G03B21/62 主分类号 G03B21/60
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