Three-layer light guiding structure
First Claim
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1. A three-layer light guiding structure, comprising:
- a light-guiding layer having a light-output face, on which a plurality of patterned points is provided;
a middle light-transmittable layer being located below the light-guiding layer opposite to the light-output face; and
a reflecting layer being located below the middle light-transmittable layer opposite to the light-guiding layer; and
wherein the light-guiding layer, the middle light-transmittable layer and the reflecting layer are integrally formed to bond to one another through a coextrusion molding process.
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Abstract
A three-layer light guiding structure includes a light-guiding layer having a light-output face with a plurality of patterned points imprinted thereon; a middle light-transmittable layer being located at a bottom of the light-guiding layer opposite to the light-output face; and a reflecting layer being located at a bottom of the middle light-transmittable layer opposite to the light-guiding layer. The three-layer light guiding structure is formed through the coextrusion molding process, so that the light-guiding layer, the middle light-transmittable layer and the reflecting layer are integrally formed and bonded to one another after the molding.
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Citations
5 Claims
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1. A three-layer light guiding structure, comprising:
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a light-guiding layer having a light-output face, on which a plurality of patterned points is provided; a middle light-transmittable layer being located below the light-guiding layer opposite to the light-output face; and a reflecting layer being located below the middle light-transmittable layer opposite to the light-guiding layer; and wherein the light-guiding layer, the middle light-transmittable layer and the reflecting layer are integrally formed to bond to one another through a coextrusion molding process. - View Dependent Claims (2, 3, 4, 5)
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Specification