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:
May. 24, 2022
Filed:
Jun. 07, 2018
Applicant:
Utsunomiya University, Utsunomiya, JP;
Inventors:
Hirotsugu Yamamoto, Utsunomiya, JP;
Yutaka Tokuda, Utsunomiya, JP;
Shusei Ito, Utsunomiya, JP;
Nao Kurokawa, Utsunomiya, JP;
Assignee:
Utsunomiya University, Utsunomiya, JP;
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/30 (2006.01); G02B 27/02 (2006.01); G02B 27/14 (2006.01); G02B 30/56 (2020.01); G02B 5/12 (2006.01); G02B 27/28 (2006.01); G02B 5/124 (2006.01); G02B 5/128 (2006.01); G02B 30/25 (2020.01); G02B 5/04 (2006.01);
U.S. Cl.
CPC ...
G02B 30/56 (2020.01); G02B 5/12 (2013.01); G02B 5/124 (2013.01); G02B 5/128 (2013.01); G02B 5/3083 (2013.01); G02B 27/14 (2013.01); G02B 27/283 (2013.01); G02B 30/25 (2020.01); G02B 5/045 (2013.01);
Abstract
A display device (A) according to the present invention includes a first light source, a first retro-reflective part disposed at a position in an emission direction of first light emitted from the first light source, and a first light-separating part configured to reflect a part of the first light that has passed through the first retro-reflective part as a first reflected light and transmits at least a part of the first reflected light.