Projection type liquid crystal display device
    1.
    发明授权
    Projection type liquid crystal display device 有权
    投影式液晶显示装置

    公开(公告)号:US06416182B1

    公开(公告)日:2002-07-09

    申请号:US09547641

    申请日:2000-04-12

    IPC分类号: G03B2114

    摘要: A projection type liquid crystal display device, including: irradiation means having a function of irradiating light emitted from a light source upon an irradiated surface; a liquid crystal display element for modulating the light; and projection means for projecting the light emitted from said liquid crystal display element, wherein said irradiation means comprises: at least one reflection mirror; a polarization beam splitter for dividing the light from the light source into P polarization light and S polarization light; a &lgr;/2 phase shifting plate for rotating a direction of polarization of either one of the P polarization and S polarization lights; polarization means being constructed with a reflection mirror for reflecting either one of the P polarization and S polarization lights; a first lens array being constructed with a plurality of condenser lenses, for collecting the light emitted from said polarization means so as to form a plurality of secondary light source images; and a second lens array being constructed with a plurality of condenser lenses and positioned in vicinity of where the plurality of secondary light source images are formed.

    摘要翻译: 一种投影型液晶显示装置,包括:照射装置,具有将从光源发射的光照射到被照射的表面上的功能; 用于调制光的液晶显示元件; 以及用于投影从所述液晶显示元件发射的光的投影装置,其中所述照射装置包括:至少一个反射镜; 用于将来自光源的光分为P偏振光和S偏振光的偏振分束器; 用于旋转P偏振和S偏振光中的任一个的偏振方向的羔羊/ 2相移板; 偏振装置由反射镜构成,用于反射P偏振和S偏振光中的任一个; 第一透镜阵列由多个聚光透镜构成,用于收集从所述偏振装置发出的光,以便形成多个次级光源图像; 以及第二透镜阵列,其由多个聚光透镜构成,并且位于形成所述多个次级光源图像的附近。

    Projection type liquid crystal display device
    2.
    发明授权
    Projection type liquid crystal display device 失效
    投影式液晶显示装置

    公开(公告)号:US06062695A

    公开(公告)日:2000-05-16

    申请号:US88838

    申请日:1998-06-02

    摘要: A projection type liquid crystal display device, including: irradiation means having a function of irradiating light emitted from a light source upon an irradiated surface; a liquid crystal display element for modulating the light; and projection means for projecting the light emitted from said liquid crystal display element, wherein said irradiation means comprises: at least one reflection mirror; a polarization beam splitter for dividing the light from the light source into P polarization light and S polarization light; a .lambda./2 phase shifting plate for rotating a direction of polarization of either one of the P polarization and S polarization lights; polarization means being constructed with a reflection mirror for reflecting either one of the P polarization and S polarization lights; a first lens array being constructed with a plurality of condenser lenses, for collecting the light emitted from said polarization means so as to form a plurality of secondary light source images; and a second lens array being constructed with a plurality of condenser lenses and positioned in vicinity of where the plurality of secondary light source images are formed.

    摘要翻译: 一种投影型液晶显示装置,包括:照射装置,具有将从光源发射的光照射到被照射的表面上的功能; 用于调制光的液晶显示元件; 以及用于投影从所述液晶显示元件发射的光的投影装置,其中所述照射装置包括:至少一个反射镜; 用于将来自光源的光分为P偏振光和S偏振光的偏振分束器; 用于旋转P偏振和S偏振光中的任一个的偏振方向的λ/ 2移相板; 偏振装置由反射镜构成,用于反射P偏振和S偏振光中的任一个; 第一透镜阵列由多个聚光透镜构成,用于收集从所述偏振装置发出的光,以便形成多个次级光源图像; 以及第二透镜阵列,其由多个聚光透镜构成,并且位于形成所述多个次级光源图像的附近。

    Liquid crystal projector
    9.
    发明授权
    Liquid crystal projector 失效
    液晶投影仪

    公开(公告)号:US06065838A

    公开(公告)日:2000-05-23

    申请号:US959433

    申请日:1997-10-28

    IPC分类号: G03B21/16 H04N9/31

    CPC分类号: H04N9/3144 G03B21/16

    摘要: A liquid crystal projector, having a configuration in which an exhaust fan is arranged adjacently to a projection lens at an angle to the optical axis of the projection lens, a configuration including a plurality of tilted wind-directing plates, a configuration in which the arrangement of a first reflection mirror, a first lens array, a light source and the exhaust fan is substantially parallel and adjacent to the arrangement of the projection lens, a dichroic prism and a second dichroic mirror, and/or a configuration in which the lens array has the incident surface thereof made of a concave lens.

    摘要翻译: 一种液晶投影机,具有排气风扇与投影透镜相对于投影透镜的光轴成一角度配置的结构,包括多个倾斜的导风板的结构, 第一反射镜,第一透镜阵列,光源和排气扇基本上平行并邻近投影透镜,二向色棱镜和第二分色镜的布置,和/或其中透镜阵列 其入射表面由凹透镜制成。

    Liquid crystal projector
    10.
    发明授权
    Liquid crystal projector 有权
    液晶投影仪

    公开(公告)号:US06238050B1

    公开(公告)日:2001-05-29

    申请号:US09495002

    申请日:2000-01-31

    IPC分类号: G03B2116

    CPC分类号: H04N9/3144 G03B21/16

    摘要: A liquid crystal projector, having a configuration in which an exhaust fan is arranged adjacently to a projection lens at an angle to the optical axis of the projection lens, a configuration including a plurality of tilted wind-directing plates, a configuration in which the arrangement of a first reflection mirror, a first lens array, a light source and the exhaust fan is substantially parallel and adjacent to the arrangement of the projection lens, a dichroic prism and a second dichroic mirror, and/or a configuration in which the lens array has the incident surface thereof made of a concave lens.

    摘要翻译: 一种液晶投影机,具有排气风扇与投影透镜相对于投影透镜的光轴成一角度配置的结构,包括多个倾斜的导风板的结构, 第一反射镜,第一透镜阵列,光源和排气扇基本上平行并邻近投影透镜,二向色棱镜和第二分色镜的布置,和/或其中透镜阵列 其入射表面由凹透镜制成。