发明名称 Display apparatus and projection type lighting apparatus therefor
摘要 A display apparatus comprises a lighting unit for emitting a light, and a first light modulation unit for forming an image through modulation of the light from a light source unit, wherein the lighting unit includes a light source for emitting the light, a second light modulation unit for modulating the light from the light source, being smaller than the first light modulation unit for modulating the light from the light source, and a projection unit for projecting the light modulated through the second light modulation unit, enlargely, upon the first light modulation unit for use of display.
申请公布号 US7901097(B2) 申请公布日期 2011.03.08
申请号 US20080030899 申请日期 2008.02.14
申请人 HITACHI, LTD. 发明人 HIRATA KOJI;YATSU MASAHIKO;HISADA TAKANORI;IKEDA HIDEHIRO
分类号 G03B21/20 主分类号 G03B21/20
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