Illumination system

Details Illumination system Illumination system

2005-11-24

2008-01-29

Sember, Thomas M. (Department: 2885)

Illumination

Light source and modifier

Including reflector

C362S241000, C362S247000, C362S346000

Reexamination Certificate

active

07322719

ABSTRACT:
An illumination system comprises a first light source device, a second light source device and a second reflecting portion. A first reflecting portion of the first light source device covers a part area of an opening of a reflecting shade, and the other area of the opening is formed a first light outlet. The second light source device is installed in front of the opening and has a second light outlet. A second reflecting portion is installed between the first and the second light source devices. After overlapping the optical routes of the multiple light source devices and integrating beams into a parallel light beam, the parallel light beam is then output out of the single light source device. Therefore, the brightness of entirety can be enhanced, and the uniformity of images on the screen is still maintained even one of the light source devices is damaged.

REFERENCES:
patent: 7090357 (2006-08-01), Magarill et al.
patent: 2005/0190562 (2005-09-01), Keuper et al.

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