Display apparatus and system and display method thereof
US9052505B2 · kind B2 · utility
11Cited by
1References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 3, 2014 |
| Grant date | Jun 9, 2015 |
| Priority date | — |
| Expiry date | Jun 3, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2213/001
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A display apparatus includes a planar waveguide optical element, a projection optical system, and a microdisplay device. By including free-form optics and waveguide technology, the volume and weight of the display apparatus can be reduced, and an optical system can be realized with improved image quality, structure, and performance parameters.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.