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:
Oct. 23, 2007
Filed:
Jul. 17, 2002
Applicants:
Hans-joachim Quenzer, Itzehoe, DE;
Wolfgang Reinert, Neumünster, DE;
Inventors:
Hans-Joachim Quenzer, Itzehoe, DE;
Wolfgang Reinert, Neumünster, DE;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
G02B 1/10 (2006.01); F21V 9/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A beam-shaping element comprises a carrier substrate () bearing a thin-layer metallization which is structured for shaping the beam of optical radiation. The thin-layer metallization includes at least two metallic layers (), which, upon impingement of the optical radiation (), react with each other accompanied by a permanent change in color in response to a certain intensity and/or an irradiation period of the optical radiation ().