Stereoscopic image display apparatus using specific mask pattern
US6151062A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 17, 1998 |
| Grant date | Nov 21, 2000 |
| Priority date | — |
| Expiry date | Feb 17, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N13/398
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A stereoscopic image display apparatus for stereoscopically viewing an image displayed on a display, by transmitting light through a mask pattern where plural apertures and plural light shielding portions are arranged in a predetermined pitch in the horizontal and vertical directions, transmitting the luminous flux through an optical system for illuminating the display where at least two parallax images are displayed, and leading the luminous flux based on the two parallax images displayed on the display to the right eye and left eye of a viewer respectively. The apparatus enables to give flexibility to precise adjustment during the assembly and enables the viewing of a stereoscopic image from a wide area with good quality, by setting vertical widths Vt and Vs of the aperture and the light shielding portion of the mask pattern, and horizontal widths Ht and Hs of the aperture and the light shielding portion of the mask pattern to satisfy the relationship of Vt<Vs and Ht<Hs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.