Lens assembly

Details Lens assembly Lens assembly

2010-01-28

2011-10-11

Harrington, Alicia M (Department: 2873)

Optical: systems and elements

Lens

With field curvature shaping

C362S335000

Reexamination Certificate

active

08035899

ABSTRACT:
A lens assembly includes a platform having an incident surface and a projection surface on opposite surfaces thereof. Wire holes are formed to the bottom side along a longer axis of the incident surface for wiring. A cut is formed around the incident surface for receiving waterproof ring. The incident surface has a main oval-shaped concave surface. Two symmetric oval-shaped lateral concave surfaces are formed to front two lateral sides of the main oval-shaped concave surface. The projection surface is formed by a plurality of continuous oval-shaped convex surfaces and discontinuous oval-shaped convex surfaces. Two symmetric vertical planes are formed to two lateral sides of the projection surface. The lens assembly capable of receiving LED larger than 10 mm has good distribution of a transverse maximum intensity of light occurring between ±50 to ±60 degrees and a vertical maximum intensity of light occurring between ±30 to ±40 degrees.

REFERENCES:
patent: 5947588 (1999-09-01), Huang
patent: 2010/0073938 (2010-03-01), Ho

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