Head-mounted display device and control method of head-mounted display device
US9778469B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 5, 2014 |
| Grant date | Oct 3, 2017 |
| Priority date | — |
| Expiry date | Jul 30, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B2027/0187
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A head-mounted display device includes an image processing unit that controls a display drive units. The image processing unit controls the pair of display drive units so as to move the emission areas in any one of a first direction in which an image formed by the image light emitted from one of the display drive units and an image formed by the image light emitted from the other of the display drive units move close to each other in cooperation and a second direction in which an image formed by the image light emitted from one of the display drive units and an image formed by the image light emitted from the other of the display drive units move apart from each other in cooperation to change a focal distance of an image in a virtual image which is visually recognized by the user.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.