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. 27, 2019
Filed:
Sep. 22, 2016
Applicant:
Reald Spark, Llc, Beverly Hills, CA (US);
Inventors:
Michael G. Robinson, Boulder, CO (US);
Graham J. Woodgate, Henley on Thames, GB;
Jonathan Harrold, Leamington Spa, GB;
Gary D. Sharp, Boulder, CO (US);
Miller H. Schuck, Erie, CO (US);
Assignee:
RealD Spark, LLC, Beverly Hills, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F21V 7/04 (2006.01); F21V 8/00 (2006.01); G02B 27/22 (2018.01);
U.S. Cl.
CPC ...
G02B 6/0048 (2013.01); G02B 6/0025 (2013.01); G02B 6/0026 (2013.01); G02B 6/0053 (2013.01); G02B 6/0055 (2013.01); G02B 6/0061 (2013.01); G02B 6/0065 (2013.01); G02B 6/0068 (2013.01); G02B 27/225 (2013.01); G02B 27/2214 (2013.01); Y10T 29/49002 (2015.01);
Abstract
Disclosed is a manufacturing method for a stepped imaging directional backlight apparatus which may include a structured optical film and a tapered body. The structured optical film may include multiple optical functions and may be assembled by folding onto the tapered body, reducing cost and complexity of manufacture.