Light pipe having a structure of enhancing an emission of a light
First Claim
1. A hollow light pipe comprising:
- a base pipe comprising a structured inner surface and a substantially smooth outer surface; and
a plurality of diffusive particles disposed on the outer surface.
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Accused Products
Abstract
The present invention is directed to a light pipe having a structure of enhancing an emission of a light. According to one embodiment of the present invention, a hollow light pipe comprises a base pipe comprising a structured inner surface and a substantially smooth outer surface; and a plurality of diffusive particles disposed on the outer surface.
According to another embodiment of the present invention, a hollow light pipe comprises a base pipe comprising a structured inner surface and a substantially smooth outer surface; and a film having a plurality of scattering patterns on at least one surface of the film, and being disposed at inside or outside the base pipe.
According to further another embodiment of the present invention, a hollow light pipe comprises a base pipe comprising a structured inner surface and a substantially smooth outer surface; and a cone-shaped extractor being disposed inside the base pipe.
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Citations
21 Claims
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1. A hollow light pipe comprising:
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a base pipe comprising a structured inner surface and a substantially smooth outer surface; and a plurality of diffusive particles disposed on the outer surface. - View Dependent Claims (2, 3, 4, 5)
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6. A hollow light pipe comprising:
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a base pipe comprising a structured inner surface and a substantially smooth outer surface; and a film having a plurality of scattering patterns on at least one surface of the film, and being disposed at inside or outside the base pipe. - View Dependent Claims (7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A hollow light pipe comprising:
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a base pipe comprising a structured inner surface and a substantially smooth outer surface; and a cone-shaped extractor being disposed inside the base pipe. - View Dependent Claims (17, 18, 19, 20, 21)
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Specification