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Anisotropic light scattering element, anisotropic light scattering polarizing plate using the same, and image display device using the same
Anisotropic light scattering element, anisotropic light scattering polarizing plate using the same, and image display device using the same
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机译:各向异性光散射元件,使用其的各向异性光散射偏振片以及使用其的图像显示装置
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摘要
The present invention provides an anisotropic light scattering element that is further improved in controlling of the viewing angle and also reduced in the thickness. The anisotropic light scattering element has an anisotropy in the scattering intensity, and includes an anisotropic light scattering layer having an anisotropy in the light scattering intensity depending on the polarization direction of incident linearly polarized light, and a birefringent layer having a phase difference of less than 1/10 wavelength with respect to incident light in a normal direction and a phase difference with respect to incident light in a direction inclined from the normal that is different from the phase difference with respect to incident light in a normal direction. The birefringent layer develops a phase difference with respect to incident light in a direction inclined from the normal.
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