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. 29, 2016
Filed:
Jun. 10, 2014
Applicant:
Kwangwoon University Industry-academic Collaboration Foundation, Seoul, KR;
Inventors:
Eun-Soo Kim, Seoul, KR;
Seung-Cheol Kim, Seoul, KR;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 27/22 (2006.01);
U.S. Cl.
CPC ...
G02B 27/2221 (2013.01);
Abstract
An apparatus for projecting a space image in accordance with an embodiment of the present invention includes: a display unit configured to display an image; and an array of prisms having a plurality of prisms connected with one another to have one lateral planes of the respective prisms form one plane and configured to refract light corresponding to the image through the prisms to a predetermined position at which a user can recognize the image.