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. 28, 2017
Filed:
Mar. 13, 2017
Applicant:
Asahi Glass Company, Limited, Chiyoda-ku, JP;
Inventors:
Assignee:
ASAHI GLASS COMPANY, LIMITED, Chiyoda-ku, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/625 (2014.01); G02B 3/00 (2006.01); G02B 27/01 (2006.01); G02B 27/48 (2006.01); H04N 9/31 (2006.01);
U.S. Cl.
CPC ...
G03B 21/625 (2013.01); G02B 3/0043 (2013.01); G02B 3/0056 (2013.01); G02B 27/0101 (2013.01); G02B 27/48 (2013.01); H04N 9/3129 (2013.01); G02B 2027/013 (2013.01);
Abstract
An image light projection screen has a plurality of aperiodic lens array units on a main surface. The aperiodic lens array units are arrayed two-dimensionally regularly and without any gap at least in an image display region. Each aperiodic lens array unit includes at least four apexes of micro-lenses each having a curved surface shape and arranged without any gap and non-periodically, and has symmetry keeping continuity of the curved surface shapes of the micro-lenses located in a boundary portion.
Koyanagi, Atsushi. (2017). Screen for image light projection and display system (U.S. Patent No. 9829782). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9829782
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile