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.

Date of Patent:
Jul. 07, 2020

Filed:

Nov. 15, 2018
Applicant:

Htc Corporation, Taoyuan, TW;

Inventors:

Bo-Wen Xiao, Taoyuan, TW;

Fu-Cheng Fan, Taoyuan, TW;

Hsiu-An Lin, Taoyuan, TW;

Assignee:

HTC Corporation, Taoyuan, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 27/01 (2006.01); G06T 11/00 (2006.01);
U.S. Cl.
CPC ...
G02B 27/0172 (2013.01); G06T 11/00 (2013.01); G02B 2027/0118 (2013.01); G02B 2027/0123 (2013.01);
Abstract

A head mounted display (HMD) and an image generating method thereof are provided. The HMD includes a display device, an optical converter, an optical shutter and an optical engine. The display device receives an AR image and/or an external image, and transmits a display image along a projection direction. The optical converter receives the display image and adjusts an output angle to project an output image to a target area. The optical shutter opens a transmission path for the external image to the display device during a first time period, and inhibits the transmission path during a second time period, where the first time period is longer than the second time period. A first luminance of the AR image provided by the optical engine in the first time period is lower than a second luminance of the AR image provided by the optical engine in the second time period.


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