Illumination – Plural light sources – With modifier
Reexamination Certificate
2007-12-19
2010-11-30
Ward, John A (Department: 2885)
Illumination
Plural light sources
With modifier
C362S308000, C362S327000
Reexamination Certificate
active
07841739
ABSTRACT:
The present invention discloses a coupling lens system, which comprises a collimation lens for collimating light from light source to a first direction; a first lens surface for total internal reflecting light from light source to the first direction; and a second lens surface for total internal reflecting light from the first direction to a second direction. Wherein an angle between the first direction and the second direction can be larger than, smaller than or equal to 90 degrees, and preferably between 70 to 100 degrees. Additionally, the system further comprises at least one extra surface parallel to the second lens surface, wherein at least one extra surface has a length L and is parallel to each other. At the same time, each surface and another surface has a distance D in between, and the length L can be equaled to or larger than the distance D according to purposes and further modifies a shape of the coupling lens system.
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patent: 2006/0018122 (2006-01-01), Negley
Liu Ying
Tsai Chen-Jung
Hong Kong Applied Science and Technology Research Institute Co.
Merchant & Gould P.C.
Ward John A
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