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    • 36. 发明授权
    • Light source, display device, portable terminal device, and ray direction switching element
    • 光源,显示装置,便携式终端装置和射线方向切换元件
    • US07728925B2
    • 2010-06-01
    • US12320052
    • 2009-01-15
    • Ken SumiyoshiTeruaki SuzukiFujio OkumuraShinichi Uehara
    • Ken SumiyoshiTeruaki SuzukiFujio OkumuraShinichi Uehara
    • G02F1/1335
    • G02F1/1323G02F1/133524G02F1/133606G02F1/13476
    • A planar light source includes a large variable width of an irradiation angle of illumination light, a display device having a large variable width of an angle of field that uses the planar light source, a portable terminal device that uses the display device, and a ray direction switching element that is incorporated in the planar light source. A beam direction regulating element (a louver), which controls a direction of light, and a transparent and scattering switching element, which can switch the transparent state and the scattering state according to ON and OFF of an applied voltage, are provided between a backlight and a liquid crystal panel, whereby it is possible to increase a variable width of an irradiation angle of light in the planar light source and increase a variable width of an angle of field of the liquid crystal display device that uses the planar light source.
    • 平面光源包括照明光的照射角度的大的可变宽度,具有使用该平面光源的角度的可变宽度大的显示装置,使用该显示装置的便携式终端装置,以及射线 方向开关元件并入平面光源。 控制光的方向的光束方向调节元件(百叶窗)和可以根据施加电压的ON和OFF切换透明状态和散射状态的透明散射开关元件设置在背光源 和液晶面板,由此可以增加平面光源中的光的照射角度的可变宽度,并且增加使用平面光源的液晶显示装置的视场角度的可变宽度。
    • 39. 发明授权
    • Optical element, optical device, mobile information terminal, and manufacturing method
    • 光学元件,光学器件,移动信息终端以及制造方法
    • US07551340B2
    • 2009-06-23
    • US11461959
    • 2006-08-02
    • Ken SumiyoshiKoji Mimura
    • Ken SumiyoshiKoji Mimura
    • G02F1/03
    • G02F1/133524G02B27/48
    • A microlouver has, as a basic unit, a light-controlling layer in which a light-absorbing layer and a transparent layer are laminated together, and a plurality of basic units L and S comprising a plurality of types of light-controlling layers having different layer thicknesses or optical constants, disposed in the direction of the layer thickness of the basic units. The array mode of the basic units L and S is determined based on a random number or a sequence-generating rule. For this reason, the microlouver has a large number of frequency components in terms of spatial frequency, and moire fringes that have a specific period and are normally caused by the interference with other optical elements are therefore prevented from occurring.
    • 微型显示器具有将光吸收层和透明层层压在一起的光控层作为基本单元,以及多个基本单元L和S,其包括具有不同的多种类型的光控制层 层厚度或光学常数,设置在基本单元的层厚度的方向上。 基本单元L和S的阵列模式基于随机数或序列生成规则来确定。 因此,微型显示器在空间频率方面具有大量的频率分量,因此防止了具有特定周期并且通常由与其它光学元件的干涉引起的莫尔条纹的发生。