Back to results
US 6,480,649 B2Granted
Light-emitting device for emitting starry light
OwnerJean Hway Leeinventor
Life of this patent
Estimating the term…
Abstract
The inventive light-emitting device for emitting starry light comprises at least one optical fiber, each having a core, a cladding around the core and opaque cover layer around the cladding, wherein a plurality of micro-windows are formed on each optical fiber such that part of the light propagating along the core emits through the micro-windows, and provides starry light effect to the mesh woven by the optical fiber.
Claims2
A light emitting decorative article comprising:
- a) at least one optical fiber with first and second ends, and arranged in a serpentine configuration including at least three parallel portions, the single optical fiber having a core, and a cladding layer on the core, the cladding layer having a plurality of notches therein forming micro-windows enabling transmission of light from the core therethrough;
- b) a transparent protective layer covering the cladding layer including the plurality of notches;
- c) an opaque layer between the transparent protective layer and the cladding layer, the opaque layer having a plurality of openings aligned with the plurality of notches in the cladding layer;
- and,
- d) a light source connected to both the first and second ends of the optical fiber, whereby starry light is emitted from the decorative article.
2 more elements
Dependencies are inferred from the claim text.