Industry Patents
Patent: 6886941
Compact Light Engine With Light Guides For Projection Display System
(Click image for PDF of full patent)
| Patent Number: |
6886941 |
| Title: |
Compact Light Engine With Light Guides For Projection Display System |
| Abstract: |
A light engine for a single panel scrolling color projection display system
employs a light guide to guide light from a source through unequal path
lengths to an output lens. The light guide is characterized by little or
no light loss or increase in etendue (angular extent) regardless of path
length, resulting in a compact arrangement having high performance and low
cost.
|
| Country of Issue: |
US |
| First Named Inventor: |
Janssen |
| Assignee: |
Philips |
| Continuation or Divisional of: |
|
| International Classification: |
G03B 21/26 |
| US Classification: |
353/30 |
| Issue Date: |
05-03-2005 |
| Filing Date: |
06-04-2002 |
| Application : |
10/161753 |
| Notes: |
|
| Link to Patent at freepatentsonline.com: |
6886941 at Freepatentsonline |
| Link to World Patent Family1: |
World Patent Family at European Patent Office |
| Link to Google Patents1: |
6886941 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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