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    • 1. 发明申请
    • PROJECTION DISPLAY
    • 投影显示
    • US20080068514A1
    • 2008-03-20
    • US11837909
    • 2007-08-13
    • Kirill SOKOLOVDae-sik KIMYoung-chol LEEAlexei BORODOULINE
    • Kirill SOKOLOVDae-sik KIMYoung-chol LEEAlexei BORODOULINE
    • H04N5/74
    • H04N9/3132G02B26/101G02B26/105G03B21/2066
    • A projection display includes: an illumination unit which irradiates a plurality of single color light beams; a first scanner scanning the plurality of light beams irradiated from the illumination unit along a first direction; a light modulator with a linear array of micro-electromechanical system (MEMS) devices that are arranged parallel to the first direction so as to turn a light beam scanned by the first scanner ON or OFF for each pixel; an F-θ lens disposed between the first scanner and the light modulator and having a first entrance pupil on which a light beam scanned by the first scanner is incident and a second entrance pupil on which light beams modulated by the light modulator are incident; and a second scanner disposed opposite to the second entrance pupil of the F-θ lens and which scans a light beam passing through the second entrance pupil of the F-θ lens on a screen along a second direction that is orthogonal to the first direction.
    • 投影显示器包括:照射多个单色光束的照明单元; 第一扫描仪沿着第一方向扫描从照明单元照射的多个光束; 具有微机电系统(MEMS)器件的线性阵列的光调制器,所述微机电系统(MEMS)器件平行于所述第一方向布置,以使由所述第一扫描仪扫描的光束对于每个像素进行ON或OFF; F-θ透镜,设置在第一扫描仪和光调制器之间并且具有第一入射光瞳,第一扫描仪扫描的光束入射到第一入射光瞳;第二入射光瞳,由光调制器调制的光束入射的第二入射光瞳; 以及第二扫描仪,其与所述F-theta透镜的第二入射光瞳相对设置,并且沿着与所述第一方向正交的第二方向在屏幕上扫描通过所述F-theta透镜的第二入射光瞳的光束。