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. 29, 2014
Filed:
Jan. 06, 2012
Applicant:
Takeshi Fujishiro, Shiojiri, JP;
Inventor:
Takeshi Fujishiro, Shiojiri, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 27/14 (2006.01); G03H 1/00 (2006.01); G02B 27/01 (2006.01); G02B 27/10 (2006.01);
U.S. Cl.
CPC ...
G02B 27/0172 (2013.01); G02B 2027/0178 (2013.01); G02B 27/0101 (2013.01); G02B 27/144 (2013.01); G02B 27/106 (2013.01); G02B 27/0103 (2013.01); G02B 2027/0109 (2013.01);
Abstract
A virtual image display system includes a display device that outputs image light, a projection lens that projects the image light from the display device, a first holding member that holds the projection lens, a light guide plate that takes in the image light from the projection lens, and then, guides the light to an external predetermined position, and a second holding member that holds the light guide plate. A positioning structure for positioning the light guide plate with respect to the projection lens is provided in the first holding member and the second holding member.