Industry Patents
Patent: 7322719
Illumination System
(Click image for PDF of full patent)

| Patent Number: |
7322719 |
| Title: |
Illumination System |
| 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.
|
| Country of Issue: |
US |
| First Named Inventor: |
Cheng |
| Assignee: |
Coretronic Corporation |
| Continuation or Divisional of: |
|
| International Classification: |
F21V 7/00 |
| US Classification: |
362/298 |
| Issue Date: |
01-29-2008 |
| Filing Date: |
11-24-2005 |
| Application : |
11/164487 |
| Notes: |
|
| Link to Patent at freepatentsonline.com: |
7322719 at Freepatentsonline |
| Link to World Patent Family1: |
World Patent Family at European Patent Office |
| Link to Google Patents1: |
7322719 at Google Patents |
1. The Google Patents and World Patent Family links will likely not work until a few weeks
after the patent has issued - they take a while to get new patents in their systems.
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