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. 20, 2019
Filed:
Jul. 15, 2017
Applicants:
Fusao Ishii, Pittsburgh, PA (US);
Yuji Aburakawa, Tokyo, JP;
Kazuhiko Takahashi, Tokyo, JP;
Keiichi Murakami, Tokyo, JP;
Mikiko Nakanishi, Kanagawa, JP;
Inventors:
Fusao Ishii, Pittsburgh, PA (US);
Yuji Aburakawa, Tokyo, JP;
Kazuhiko Takahashi, Tokyo, JP;
Keiichi Murakami, Tokyo, JP;
Mikiko Nakanishi, Kanagawa, JP;
Assignees:
Other;
NTT DOCOMO, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 27/14 (2006.01); G09G 5/00 (2006.01); F21V 8/00 (2006.01); G02B 27/01 (2006.01); G02B 27/09 (2006.01); G02B 27/28 (2006.01); G02B 27/48 (2006.01); G02B 5/30 (2006.01);
U.S. Cl.
CPC ...
G02B 6/0031 (2013.01); G02B 27/0172 (2013.01); G02B 27/0905 (2013.01); G02B 27/0961 (2013.01); G02B 27/141 (2013.01); G02B 27/283 (2013.01); G02B 5/30 (2013.01); G02B 27/48 (2013.01); G02B 2027/011 (2013.01); G02B 2027/012 (2013.01); G02B 2027/0123 (2013.01); G02B 2027/0138 (2013.01); G02B 2027/0174 (2013.01); G02B 2027/0178 (2013.01);
Abstract
A compact illuminator for a see-through image display system with highly uniform light distribution is disclosed. This invention enables wearable displays such as eye-glass type see-through display. This system provides a wide divergent beam from a display device so that a viewer can have a large eyebox.