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    • 1. 发明申请
    • Screen and projector
    • 屏幕和投影机
    • US20060012877A1
    • 2006-01-19
    • US11177418
    • 2005-07-11
    • Akira ShinboShunji KamijimaKazuhisa MizusakoNobuo Shimizu
    • Akira ShinboShunji KamijimaKazuhisa MizusakoNobuo Shimizu
    • G03B21/60
    • G03B21/625H04N9/3141
    • A screen includes a lens array having a plurality of spherical lens elements. A first length of the spherical lens elements, along a first direction at substantially a center of each of respective spherical lens elements, and a second length of the spherical lens elements, along a second direction at substantially the center of each of the respective lens elements and substantially orthogonal to the first direction, are set such that the second length is larger than the first length. A curvature center position of any one of the plurality of spherical lens elements is arranged to be at substantially a half of the first length along the first direction, with respect to a curvature center position of another spherical lens element adjacent to the lens element in the second direction.
    • 屏幕包括具有多个球面透镜元件的透镜阵列。 球形透镜元件的第一长度沿着各个球面透镜元件的大致中心的第一方向和第二长度的球面透镜元件沿着每个相应透镜元件的大致中心的第二方向 并且基本上与第一方向正交,被设定为使得第二长度大于第一长度。 多个球面透镜元件中的任何一个的曲率中心位置被布置成沿着第一方向大致为第一长度的一半,相对于与该透镜元件相邻的另一球面透镜元件的曲率中心位置 第二个方向
    • 2. 发明授权
    • Screen and projector with spherical lens array
    • 带球面透镜阵列的屏幕和投影机
    • US07382534B2
    • 2008-06-03
    • US11177418
    • 2005-07-11
    • Akira ShinboShunji KamijimaKazuhisa MizusakoNobuo Shimizu
    • Akira ShinboShunji KamijimaKazuhisa MizusakoNobuo Shimizu
    • G03B21/60G03B21/56G03B21/14G02F1/135
    • G03B21/625H04N9/3141
    • A screen includes a lens array having a plurality of spherical lens elements. A first length of the spherical lens elements, along a first direction at substantially a center of each of respective spherical lens elements, and a second length of the spherical lens elements, along a second direction at substantially the center of each of the respective lens elements and substantially orthogonal to the first direction, are set such that the second length is larger than the first length. A curvature center position of any one of the plurality of spherical lens elements is arranged to be at substantially a half of the first length along the first direction, with respect to a curvature center position of another spherical lens element adjacent to the lens element in the second direction.
    • 屏幕包括具有多个球面透镜元件的透镜阵列。 球形透镜元件的第一长度沿着各个球面透镜元件的大致中心的第一方向和第二长度的球面透镜元件沿着每个相应透镜元件的大致中心的第二方向 并且基本上与第一方向正交,被设定为使得第二长度大于第一长度。 多个球面透镜元件中的任何一个的曲率中心位置被布置成沿着第一方向大致为第一长度的一半,相对于与该透镜元件相邻的另一球面透镜元件的曲率中心位置 第二个方向
    • 5. 发明授权
    • Spatial light modulator and projector
    • 空间光调制器和投影机
    • US07031065B2
    • 2006-04-18
    • US11044178
    • 2005-01-28
    • Daisuke UchikawaMasatoshi YonekuboShunji KamijimaKazuhisa Mizusako
    • Daisuke UchikawaMasatoshi YonekuboShunji KamijimaKazuhisa Mizusako
    • G02B27/10
    • G02B5/3016
    • Exemplary embodiments of the invention provide a spatial light modulator that is inexpensive, has a long life and a high light use efficiency, and with which can be obtained a high-contrast image, and a projector disposed with the spatial light modulator. Exemplary embodiments provide a spatial light modulator including a liquid crystal layer that includes plural aperture regions AP, modulates light in accordance with image signals and emits the modulated light; and microlens elements that are disposed at an incident side of the liquid crystal layer in correspondence to the aperture regions AP and condense the light made incident so that the light passes through the aperture regions AP. The microlens elements include plural focal positions f1 and f2 that are different per plural substantially annular portions R1 and R2 around an optical axis AX.
    • 本发明的示例性实施例提供了一种廉价的,具有长寿命和高使用效率的空间光调制器,并且可以获得高对比度图像,以及配置有空间光调制器的投影仪。 示例性实施例提供一种空间光调制器,其包括包括多个孔径区域AP的液晶层,根据图像信号调制光并发射调制光; 以及微透镜元件,其设置在与孔径区域AP对应的液晶层的入射侧,并冷凝入射的光,使得光通过孔径区域AP。 微透镜元件包括围绕光轴AX的每个多个基本环形部分R 1和R 2不同的多个焦点位置f 1和f 2。