Head-mount type display device
US9269193B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 29, 2015 |
| Grant date | Feb 23, 2016 |
| Priority date | — |
| Expiry date | Apr 29, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B2027/0178
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A head-mount type display device adapted to allow a user to visually recognize a virtual image in a state of being worn on the head of the user includes an image display section having an image light generation section adapted to generate an image light representing an image, a light blocking section adapted to transmit external light at a predetermined transmittance, and a virtual image forming section adapted to transmit the external light transmitted through the light blocking section and to form the virtual image in an eye of the user with the image light, and configured to allow the user to visually recognize the virtual image and an external image, an imaging section for taking an image of the sight in a visual field direction of the user, and a control section adapted to perform control of changing the transmittance of the light blocking section.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.