| 摘要 |
A light scattering light guide, which is capable of converting a light flux of a relatively small crosssectional area into a light flux of a relatively large area with high efficiency and uniformity, manufacturing method thereof, and applied optical apparatuses such as backlight light source apparatuses and light branching/mixing devices which make effective use of the characteristics of said light scattering light guide. Such light scattering light guide is obtained by utilizing various structures with irregular refraction indexes generated in the process of polymerization of organic materials. The values of scattering power (effective scattering irradiation parameter E), etc. are selected according to applications. The mechanism for forming the structures with irregular refraction indexes by the polymerization process of organic materials is based on, for example, the difference in compatibility, reactivity, density, etc. among the organic materials.
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