LED lamp with prismatic cover lens
First Claim
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1. An LED lamp comprising:
- a plurality of light emitting diodes;
a cover lens having an inner surface with a plurality of prisms, said light emitting diodes and said cover lens being arranged so that each of said prisms receives light emitted by each of said light emitting diodes, each of said prisms being shaped and arranged to emit light received from said light emitting diodes in a substantially identical luminous intensity distribution pattern.
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Abstract
The LED lamp includes a plurality of light emitting diodes and a cover lens arranged so that light emitted by the plurality of light emitting diodes is output through the cover lens. The cover lens has a plurality of prisms including a plurality of first prisms formed on the inner surface thereof, and a direction and shape of the incident surfaces of the first prisms are set such that the first prisms output light in first luminous intensity distribution patterns that are substantially equal to each other.
61 Citations
12 Claims
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1. An LED lamp comprising:
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a plurality of light emitting diodes;
a cover lens having an inner surface with a plurality of prisms, said light emitting diodes and said cover lens being arranged so that each of said prisms receives light emitted by each of said light emitting diodes, each of said prisms being shaped and arranged to emit light received from said light emitting diodes in a substantially identical luminous intensity distribution pattern. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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Specification