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:
Jun. 21, 2022
Filed:
Aug. 13, 2019
Applicant:
Htc Corporation, Taoyuan, TW;
Inventors:
Meng-Che Tsai, Taoyuan, TW;
Kuei-Chun Liu, Taoyuan, TW;
Assignee:
HTC Corporation, Taoyuan, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 27/14 (2006.01); G02B 27/00 (2006.01); G02B 3/08 (2006.01); G06F 3/01 (2006.01); G06F 1/16 (2006.01); G02F 1/29 (2006.01);
U.S. Cl.
CPC ...
G02B 27/0025 (2013.01); G02B 3/08 (2013.01); G02F 1/29 (2013.01); G06F 1/163 (2013.01); G06F 3/013 (2013.01);
Abstract
A head-mounted display device including a body, a display element, and two lens groups is provided. The display element is disposed on the body and is adapted to provide an image beam. The two lens groups are disposed on a transmission path of the image beam. Each the lens group includes a plurality of lenses, wherein one of the lenses has an astigmatism surface on at least one side of the display element. The astigmatism surface is non-rotationally symmetrical, and the image beam has astigmatic aberration after passing through the astigmatism surface.