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    • 7. 发明授权
    • Method for making an optical device using a laser beam interference
pattern
    • 使用激光束干涉图案制造光学装置的方法
    • US5748272A
    • 1998-05-05
    • US661018
    • 1996-06-10
    • Keiji TanakaKinya KatoShinji TsuruShigenobu Sakai
    • Keiji TanakaKinya KatoShinji TsuruShigenobu Sakai
    • G02F1/1334G02F1/1347G02F1/1333
    • G02F1/13342G02F2001/13478
    • A polymer dispersed liquid crystal optical device is presented which has optical elements which control reflection, transmission and diffraction of incident light entering the device by adjusting the magnitude of the electrical field applied to the device between a maximum and a minimum limits. An optical element consists of a polymer material having an electrical field-independent refractive index, and a liquid crystal material having an electrical field-dependent refractive index. The optical elements are distributed through the device at specific inter-element spacings, thus enabling to generate reflection of incident light in accordance with Bragg's law of reflection. The inter-element spacings can also be varied by the application of the field, thus enabling to generate reflection of light of a desired wavelength. Such optical elements are ideal for use in full color optical display apparatus of a matrix driven type. Methods for producing the optical device and optical display apparatus are also presented.
    • 提出了一种聚合物分散液晶光学器件,其具有通过调节在最大和最小极限之间施加到器件的电场的幅度来控制入射到入射光的入射光的反射,透射和衍射的光学元件。 光学元件由具有电场非依赖折射率的聚合物材料和具有电场相关折射率的液晶材料组成。 光学元件以特定的元件间间隔分布在器件中,因此能够根据布拉格反射定律产生入射光的反射。 元件间距也可以通过场的应用而变化,从而能够产生所需波长的光的反射。 这种光学元件是用于矩阵驱动型的全色光学显示装置的理想选择。 还提出了用于制造光学装置和光学显示装置的方法。
    • 8. 发明授权
    • Optical devices with high polymer material and method of forming the same
    • 具有高聚合物材料的光学器件及其形成方法
    • US5751452A
    • 1998-05-12
    • US198811
    • 1994-02-18
    • Keiji TanakaKinya KatoShinji TsuruShigenobu Sakai
    • Keiji TanakaKinya KatoShinji TsuruShigenobu Sakai
    • G02F1/1334G02F1/1347G02F1/13G02F1/133G02F1/137
    • G02F1/13342G02F2001/13478
    • A polymer dispersed liquid crystal optical device is presented which has optical elements which control reflection, transmission and diffraction of incident light entering the device by adjusting the magnitude of the electrical field applied to the device between a maximum and a minimum limits. An optical element consists of a polymer material having an electrical field-independent refractive index, and a liquid crystal material having an electrical field-dependent refractive index. The optical elements are distributed through the device at specific inter-element spacings, thus enabling to generate reflection of incident light in accordance with Bragg's law of reflection. The inter-element spacings can also be varied by the application of the field, thus enabling to generate reflection of light of a desired wavelength. Such optical elements are ideal for use in full color optical display apparatus of a matrix driven type. Methods for producing the optical device and optical display apparatus are also presented.
    • 提出了一种聚合物分散液晶光学器件,其具有光学元件,其通过调节在最大和最小极限之间施加到器件的电场的幅度来控制入射到入射光的入射光的反射,透射和衍射。 光学元件由具有电场非依赖折射率的聚合物材料和具有电场相关折射率的液晶材料组成。 光学元件以特定的元件间间隔分布在器件中,因此能够根据布拉格反射定律产生入射光的反射。 元件间距也可以通过场的应用而变化,从而能够产生所需波长的光的反射。 这种光学元件是用于矩阵驱动型的全色光学显示装置的理想选择。 还提出了用于制造光学装置和光学显示装置的方法。