Industry Patents
Patent: 7300182
LED Light Source For Image Projection Systems
(Click image for PDF of full patent)
| Patent Number: |
7300182 |
| Title: |
LED Light Source For Image Projection Systems |
| Abstract: |
In accordance with the invention a light source for an image projection
system comprises one or more LEDs packaged for high temperature
operation. Advantageously, the LED die are disposed on a package
comprising a ceramic coated metal base including one or more underlying
thermal connection pads, and underlying electrical connection pads, each
LED die thermally coupled through the metal base to a thermal connection
pad and electrically coupled to electrical connection pads. The LED can
be mounted directly on the metal of the base or on a thin coating of
electrical insulator on the metal. Arrays of LED die thus packaged are
advantageously fabricated by the low temperature co-fired
ceramic-on-metal technique (LTTC-M) and can be referred to as LTTC-M
packaged arrays. The LEDs are advantageously mounted in an array of
cavities having tapered sides to reflect light from the LEDs. The high
temperature LED light sources can substitute for HID lamps in a variety
of front and rear projection systems and displays. They are particularly
useful for rear projection systems.
|
| Country of Issue: |
US |
| First Named Inventor: |
Mazzochette |
| Assignee: |
Lamina Lighting |
| Continuation or Divisional of: |
7095053 |
| International Classification: |
G03B 21/16 |
| US Classification: |
362/294 |
| Issue Date: |
11-27-2007 |
| Filing Date: |
01-06-2005 |
| Application : |
11/030648 |
| Notes: |
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| Link to Patent at freepatentsonline.com: |
7300182 at Freepatentsonline |
| Link to World Patent Family1: |
World Patent Family at European Patent Office |
| Link to Google Patents1: |
7300182 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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