Virtual reality display device, display device, and calculation method of line-of-sight angle
US11429184B2 · kind B2 · utility
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1References
17Claims
0Family size
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Key dates
| Filing date | Apr 1, 2019 |
| Grant date | Aug 30, 2022 |
| Priority date | — |
| Expiry date | Mar 1, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2207/30201
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A virtual reality display device, a display device, and a calculation method of a line-of-sight angle are provided. The virtual reality display device includes: a display screen configured to display a picture to a user, at least one infrared light source, and an infrared camera; and the infrared camera is on a side of the display screen away from an eye of the user, and is configured to acquire an eye image of the eye of the user that is illuminated by the at least one infrared light source.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.