LENS DEVICE AND LED STRIP LIGHT HAVING SAME
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United States of America Patent
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Issued Date -
Dec 29, 2016
app pub date -
Jun 28, 2016
filing date -
Jun 29, 2015
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Abstract
A LED strip light includes at least one LED chip and a lens device. The lens device includes at least one optical axis, a diffuser plate, a spread-light lens disposed on the diffuser plate and including a plane light incidence surface being perpendicular to the at least one optical axis, and a first convex light emitting surface and a second convex light emitting surface which are positioned at two sides of the at least one optical axis respectively. On a cross section taken along the at least one optical axis, an arc length and a radius of curvature of a profile of the first convex light emitting surface being larger than that of a profile of the second convex light emitting surface, irradiation distance of emergent light of the first convex light emitting surface being less than that of emergent light of the second convex light emitting surface.
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