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:
Jul. 05, 2016
Filed:
Oct. 31, 2011
Applicants:
Mario Ariosto Matranga, Bristol, GB;
Jana Heuer, Cottius, DE;
Stephen Kitson, Bristol, GB;
Inventors:
Assignee:
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 5/02 (2006.01); G02B 5/22 (2006.01);
U.S. Cl.
CPC ...
G02B 5/02 (2013.01); G02B 5/0242 (2013.01); G02B 5/0284 (2013.01); G02B 5/223 (2013.01);
Abstract
A diffuse reflector () uses a host layer () containing particles (). The host layer () contains a cholesteric material that reflects a first frequency of light, and the particles () in the host layer () create separate cholesteric domains () that reflect light of the first frequency in different directions.