Image projection apparatus, image display apparatus, and vehicle
US11221481B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 1, 2017 |
| Grant date | Jan 11, 2022 |
| Priority date | — |
| Expiry date | Dec 1, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B2027/014
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A three-dimensional projection apparatus includes a display including a display surface having a plurality of subpixels arranged in a grid along a first direction and a second direction substantially orthogonal to the first direction, an optical element configured to define a light beam direction of an image light emitted from the subpixels for each strip-shaped region of a plurality of strip-shaped regions extending in the second direction on the display surface, an optical member configured to project the image light, the light beam direction of which is defined by the optical element, so that a virtual image of the display surface is formed, and a controller configured to acquire information related to a position of an eye of a subject and to correct, in accordance with the position of the eye, the optical element and an image to be displayed by the display surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.