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:
Nov. 29, 2011
Filed:
Sep. 15, 2009
David S Pitou, Santa Rosa, CA (US);
David S Pitou, Santa Rosa, CA (US);
Triformix, Inc., Santa Rosa, CA (US);
Abstract
A secondary illumination optic, principally directed toward managing light from light emitting diode illumination sources having a primary optical element, is provided comprising a lens combination arranged along the optical axis, a central convex lens portion being centrally positioned on the optical axis, and a surrounding total internal reflection lens portion, with the central optic having a first and incident surface and a second and exiting surface, both comprising refractive faceted optical lens elements, and the total internal reflection optic lens portion having a cylinder shaped aspheric first and incident surface, a second and internal total reflection surface, and a third and exiting surface comprising refractive faceted optic lens elements, wherein, being constructed of resin having optical characteristic, the central and total internal reflection lens portions are molded as an integrated assembly from an optical resin providing a stepped tulip type lens, thinner and higher yielding than prior art lenses.