ILLUMINATION STRUCTURE AND LAMP TUBE STRUCTURE FOR GENERATING SPECIFIC DIRECTIONAL LIGHT SOURCES
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United States of America Patent
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Issued Date -
Nov 17, 2011
app pub date -
Nov 2, 2010
filing date -
May 12, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An illumination structure for generating specific directional light sources includes a substrate unit, a light-emitting unit and a lens unit. The substrate unit has at least one substrate body. The light-emitting unit has a plurality of light-emitting elements disposed on and electrically connected to the substrate body. The lens unit has a plurality of lens modules sequentially abutted against each other and disposed on the substrate body. Each lens module has a lens frame disposed on the substrate body and a plurality of protruding lens elements separated from each other by a predetermined distance and integrally formed on the lens frame, the protruding lens elements respectively correspond to the light-emitting elements, and each protruding lens element has at least one concave portion formed on a top side thereof and above each light-emitting element and at least two protrusion portions respectively integrally connected to two opposite sides of the concave portion.
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