Collimating lens for LED lamp

Details Collimating lens for LED lamp Collimating lens for LED lamp

2008-05-13

2008-05-13

Sawhney, Hargobind S. (Department: 2885)

Illumination

Light modifier

Refractor

C359S708000

Reexamination Certificate

active

07370994

ABSTRACT:
A collimating lens includes a first end face with an LED accommodation hole for accommodating an LED lamp, a second end face, which is disposed opposite to the first end face and has an area greater than the first end face, and a sidewall, which is connected between the first end face and the second end face and has a first wall section and a second wall section. The second wall section extends from the second end face toward the first end face to a predetermined distance. The first wall section having one end connected to the second wall section and the other end extending toward the first end face to a predetermined distance. The first wall section defines with the second wall section a contained angle smaller than 180°.

REFERENCES:
patent: 2254962 (1941-09-01), Harris et al.
patent: 5343330 (1994-08-01), Hoffman et al.
patent: 6536923 (2003-03-01), Merz
patent: 6547423 (2003-04-01), Marshall et al.
patent: 6560038 (2003-05-01), Parkyn et al.
patent: 7111964 (2006-09-01), Suehiro et al.

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