公开(公告)号：US20070263179A1

公开(公告)日：2007-11-15

申请号：US11660591

申请日：2006-06-20

申请人： Hideki Katsuragawa ,  Daisuke Okamoto ,  Mokuyoh Nakano ,  Masayuki Shimizu ,  Toshihiro Sunaga ,  Satoru Ohshio ,  Yuusuke Kawamura

发明人： Hideki Katsuragawa ,  Daisuke Okamoto ,  Mokuyoh Nakano ,  Masayuki Shimizu ,  Toshihiro Sunaga ,  Satoru Ohshio ,  Yuusuke Kawamura

IPC分类号： G03B21/14

CPC分类号： G03B21/005 ,  G03B21/145 ,  G03B33/12

摘要： A projection type display system able to suppress an increase of a outer size of a set, able to improve the contrast, and excellent in silence, having light modulating units 122 (R, G, B) for modulating incident illumination lights based on input image information and emitting the result, an illumination optical system 109 for making illumination lights from a light source 101 strike light modulating units, and a projection optical system 125 for projecting the illumination lights emitted from the light modulating units, wherein a variable opening aperture system 200 is arranged in the vicinity of a pupil position of the projection optical system 125, and the aperture system 200 is arranged so as to match contrast characteristics of the light modulating units and an aperture shape at the time of opening/closing the aperture.

摘要翻译： 能够抑制基于输入图像调制入射照明光的光调制单元122（R，G，B）能够抑制能够提高对比度的组的外部尺寸的增加和静音优异的投影型显示系统。 信息并发出结果，用于使来自光源101的照明光的照明光学系统109撞击光调制单元，以及用于投射从光调制单元发射的照明光的投影光学系统125，其中可变开口孔径系统200 布置在投影光学系统125的光瞳位置附近，并且孔径系统200被布置成与光调制单元的对比度特性和打开/关闭光圈时的孔径形状相匹配。