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:
Feb. 21, 2017
Filed:
Jan. 27, 2014
Green Optics Co., Ltd., Chungcheongbuk-do, KR;
Jang-Ho Choi, Chungcheongbuk-do, KR;
Dong-Kyun Kim, Chungcheongbuk-do, KR;
Sang-Jun Lee, Chungcheongbuk-do, KR;
GREEN OPTICS CO., LTD., Chungcheongbuk-do, KR;
Abstract
Provided is a see-through head mounted display (HMD) optical system which includes a display device, a collimation lens that parallelizes image lights emitted from the display device, a first wedge prism that includes a first enlargement unit for enlarging an image in a horizontal direction, a second wedge prism that includes a second enlargement unit for enlarging the image in a vertical, and a third wedge prism that has an inverse shape of the second wedge prism so as to prevent the image lights which have been reflected in the second wedge prism and enlarged in the vertical direction and an external image which has passed through the second wedge prism and been provided to a user from being distorted.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile