Industry Patents
Patent: 7616849
Illumination Devices Including Uniform Light Distribution, Multiple Light Sources, and Multiple Types of Light Sources
(Click image for PDF of full patent)
| Patent Number: |
7616849 |
| Title: |
Illumination Devices Including Uniform Light Distribution, Multiple Light Sources, and Multiple Types of Light Sources |
| Abstract: |
An optical device for collecting and distributing light from a quasi
point light source which includes a planar light guide having surfaces
through which optical axes are periodically spaced. There is at least one
quasi point light source, the optical axis of each being coincident with
the optical axes of the surfaces. There is also at least one optical
element depressed within the edges or adjacent surfaces of the light
guide at least partially rotated about the optical axis, and having a
focal point at the quasi point light source.
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| Country of Issue: |
US |
| First Named Inventor: |
Simon |
| Assignee: |
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| Continuation or Divisional of: |
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| International Classification: |
G02B 6/26 |
| US Classification: |
385/31 |
| Issue Date: |
11-10-2009 |
| Filing Date: |
03-23-2006 |
| Application : |
11/387327 |
| Notes: |
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| Link to Patent at freepatentsonline.com: |
7616849 at Freepatentsonline |
| Link to World Patent Family1: |
World Patent Family at European Patent Office |
| Link to Google Patents1: |
7616849 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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