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    • 6. 发明授权
    • Light fibers and methods for producing the same
    • 轻纤维及其制造方法
    • US06519401B1
    • 2003-02-11
    • US09830510
    • 2001-04-27
    • Kengo ImamuraKenji MatsumotoAtsushi UdagawaShinichi Irie
    • Kengo ImamuraKenji MatsumotoAtsushi UdagawaShinichi Irie
    • G02B616
    • G02B6/001B29C47/00B29C47/0014Y10S385/901
    • To provide a side light extraction type light fiber capable of extracting light having high brightness at a viewing angle. Means for solving: a light fiber comprising: a core (1) in the center portion, and a cladding arranged around the core, characterized in that the cladding comprises: (i) a light diffusive layer (3) comprising a light diffusive portion made of a light diffusive material containing, as a binder, a polymer having a refractive index smaller than that of the core, which is provided in closely contact with the core in a wall thickness of 1 to 300 &mgr;m in a circumferential direction, and (ii) a protective layer (4) made of a light transmitting resin material, which is formed to integrate with the light diffusive layer and covers the light diffusive layer.
    • 提供能够以视角提取具有高亮度的光的侧光提取型光纤。 解决方案:一种光纤,包括:中心部分中的芯部(1)和围绕芯部布置的包层,其特征在于,所述包层包括:(i)包含光漫射部分的光漫射层(3) 的光漫射材料,其包含作为粘合剂的折射率小于芯的聚合物,所述聚合物在沿圆周方向以1〜300μm的壁厚与芯紧密接触地设置,并且(ii )由透光树脂材料制成的保护层(4),其形成为与光漫射层一体并且覆盖光漫射层。