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    • 139. 发明申请
    • Microlens substrate, and liquid crystal display element provided with it, and projection liquid crystal display unit
    • 微透镜基板和配备有液晶显示元件的投影液晶显示单元
    • US20060077319A1
    • 2006-04-13
    • US10545247
    • 2004-01-29
    • Kazuya Kitamura
    • Kazuya Kitamura
    • G02F1/1335
    • G02F1/133621G02F1/133526G02F2001/133623
    • A liquid crystal panel unit (2) includes, on its side from which light enters, a micro-lens substrate (1) having: a first micro-lens array including a first lens (5) for converging, for converging, on aperture sections (17R•17G•17B) of respective picture elements in a liquid crystal display element, the plurality of the light beams whose respective incident angles are different from one another; and a second micro-lens array having a second lens (7) for collimating principal rays of the respective light beams. The second lens (7) is substantially trapezoid so that the lens includes slanted surfaces (7b•7b) directing its convex parts towards the light incident side. With this configuration, it is possible to realize a single-panel mode color-filterless projection-type liquid crystal display device with high light-using efficiency at a low cost, without deteriorating the light-using efficiency.
    • 液晶面板单元(2)在其入射侧包括具有第一微透镜阵列的微透镜基板(1),该第一微透镜阵列包括用于会聚的第一透镜(5),用于会聚在孔部分 (17 R. 17 G. 17 B)液晶显示元件中的各个像素,其多个入射角彼此不同的光束; 以及具有用于准直各个光束的主光线的第二透镜(7)的第二微透镜阵列。 第二透镜(7)基本上是梯形的,使得透镜包括将其凸部引向光入射侧的倾斜表面(7b)。 利用这种结构,可以以低成本实现具有高光利用效率的单面板模式彩色无滤波投影型液晶显示装置,而不会降低光的使用效率。