The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 09, 2015
Filed:
Jun. 15, 2012
Applicants:
David Horn, Saratoga, CA (US);
Brian Cumpston, Pleasanton, CA (US);
David Titzler, Palo Alto, CA (US);
Inventors:
David Horn, Saratoga, CA (US);
Brian Cumpston, Pleasanton, CA (US);
David Titzler, Palo Alto, CA (US);
Assignee:
Switch Bulb Company, Inc., San Jose, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 33/64 (2010.01); H01L 33/00 (2010.01); F21K 99/00 (2010.01); F21Y 101/02 (2006.01);
U.S. Cl.
CPC ...
H01L 33/648 (2013.01); H01L 33/64 (2013.01); H01L 33/005 (2013.01); F21K 9/135 (2013.01); F21Y 2101/02 (2013.01); F21V 29/506 (2015.01); F21V 29/58 (2015.01); F21V 29/77 (2015.01);
Abstract
A liquid-filled light emitting diode (LED) bulb including a base, a shell, one or more LEDs, a thermally conductive liquid, and a bladder. The shell is connected to the base and the thermally conductive liquid is held within the shell. The one or more LEDs are disposed within the shell and immersed in the thermally conductive liquid. The bladder is also immersed in the thermally conductive liquid and is configured to compensate for expansion of the thermally conductive liquid.