发明名称 Color projection type display apparatus reusing incident light
摘要 A color projection type display apparatus comprises a light source, a color wheel driven to rotate and having a plurality of types of color filters, different in characteristics from one another, disposed on the same surface thereof to transmit a particular component of light from the light source and to reflect the remaining components, a reflector for reflecting a component of light impinging on the color wheel and reflected by one type of the color filters to again direct the component back to another type of color filters, an image display device having a plurality of areas each irradiated with particular component of light transmitted by the color filters, respectively, to display an image, and a projection lens for projecting the image displayed by the image display device onto a screen.
申请公布号 US2005046981(A1) 申请公布日期 2005.03.03
申请号 US20040918097 申请日期 2004.08.13
申请人 NEC VIEWTECHNOLOGY, INC. 发明人 KARUBE HIROO;SAKAMOTO MIKIO
分类号 G02B26/00;G02B7/00;G02B26/08;G02B27/14;G02B27/18;G03B21/00;(IPC1-7):G02B5/22 主分类号 G02B26/00
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