Industry Patents

Patent: 8436519

Incandescent Lamp Incorporating Infrared-Reflective Coating System, and Lighting Fixture Incorporating Such a Lamp

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Patent Number:	8436519
Title:	Incandescent Lamp Incorporating Infrared-Reflective Coating System, and Lighting Fixture Incorporating Such a Lamp
Abstract:	The present invention provides an improved lamp, and lighting fixture incorporating such a lamp, wherein the lamp's envelope includes a special optical coating system configured to more effectively reflect infrared light back toward the lamp filament, thereby enhancing the lamp's luminous efficacy. Multiple embodiments are disclosed, including coating systems deposited on one or both surfaces of the lamp envelope and including coating systems incorporating either a dielectric coating alone or specific combinations of a dielectric coating and a transparent conductive coating.
Country of Issue:	US
First Named Inventor:	Cunningham
Assignee:
Continuation or Divisional of:
International Classification:	H01J 5/08
US Classification:	313/112
Issue Date:	05-07-2013
Filing Date:	07-25-2007
Application :	11/828276
Notes:
Link to Patent at freepatentsonline.com:	8436519 at Freepatentsonline
Link to World Patent Family¹:	World Patent Family at European Patent Office
Link to Google Patents¹:	8436519 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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