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:
Aug. 16, 2016
Filed:
Mar. 14, 2014
Mark S. Olsson, La Jolla, CA (US);
Jeff R. Truesdale, San Diego, CA (US);
John R. Sandersin, Iv, Poway, CA (US);
Jon E. Simmons, Poway, CA (US);
Eric M. Chapman, Santee, CA (US);
Aaron J. Steiner, San Diego, CA (US);
Mark S. Olsson, La Jolla, CA (US);
Jeff R. Truesdale, San Diego, CA (US);
John R. Sandersin, IV, Poway, CA (US);
Jon E. Simmons, Poway, CA (US);
Eric M. Chapman, Santee, CA (US);
Aaron J. Steiner, San Diego, CA (US);
DEEPSEA POWER & LIGHT, INC., San Diego, CA (US);
Abstract
Lighting device embodiments having a housing enclosing one or more interior volumes, along with a serviceable port in the housing to allow venting of one or more of the interior volumes, are disclosed. The lighting devices may further include internal venting paths to allow transfer of contaminating gases to the serviceable port, and a gas permeable pressure valve to allow transfer of contaminants from the interior of the lighting device. The pressure valve may be selectively permeable as a function of applied exterior pressure. The lighting device may also include one or more electronic circuit elements disposed in the one or more interior volumes, and a selectively permeable barrier element disposed in the housing having a first area exposed to one of the interior volumes and a second area exposed to a gas or liquid volume exterior to the housing to allow diffusion of browning contaminants from the one of the interior volumes to the gas or liquid volume exterior to the housing.