Industry Patents
Patent: 6769773
Projector with UV Light Source
(Click image for PDF of full patent)
| Patent Number: |
6769773 |
| Title: |
Projector with UV Light Source |
| Abstract: |
One or more UV light emitting diode (LED) chip is used as the light source
of a picture projection system. The UV LED light is converted into red,
green and blue light beams by means of red, green and blue fluorescent
plates, respectively. The lights emerging from said fluorescent plates is
transmitted through one or more programmable liquid crystal plate or
reflected by one or more digital micro-mirror device (DMD) to control the
light transmission, and then merged together for projection onto a screen.
When only one programmable liquid plate or one DMD is used, the different
color signals are sequentially projected onto the screen.
|
| Country of Issue: |
US |
| First Named Inventor: |
Wu |
| Assignee: |
|
| Continuation or Divisional of: |
|
| International Classification: |
G03B 21/00 |
| US Classification: |
353/33 |
| Issue Date: |
08-03-2004 |
| Filing Date: |
05-20-2003 |
| Application : |
10/441363 |
| Notes: |
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| Link to Patent at freepatentsonline.com: |
6769773 at Freepatentsonline |
| Link to World Patent Family1: |
World Patent Family at European Patent Office |
| Link to Google Patents1: |
6769773 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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