Optical light guide including fluorescent material
AssigneeSaint-Gobain Ceramics & Plastics, Inc.
InventorPeter R. MENGE
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Abstract
A substrate can include an optical light guide including a core. The core can include a fluorescent material in a content of greater than 0.5 wt. % for the total weight of the core. In an embodiment, the optical light guide can include a scintillator material. In another embodiment the core can include polyethylene naphthalate (PEN) and a polyvinylidene difluoride cladding.
Claims20
An optical light guide, comprising a core including a fluorescent material, wherein the fluorescent material is in a content of greater than 0.5 wt. % for a total weight of the core.
An optical light guide, comprising a core including a fluorescent material and a cladding layer surrounding the core, wherein the fluorescent material is in a content of greater than 0.5 wt. % for a total weight of the core, wherein the optical light guide comprises a refractive index difference between the core and the cladding layer, wherein an absolute value of the difference is at least 0.1.
An anti-counterfeiting paper, comprising a layer structure;
- and an optical light guide within the layer structure, wherein the optical light guide comprises a core including a fluorescent material, wherein the fluorescent material is in a content of greater than 0.5 wt. % for a total weight of the core.
Dependencies are inferred from the claim text.