Three-dimensional display apparatus
US9077981B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 28, 2013 |
| Grant date | Jul 7, 2015 |
| Priority date | — |
| Expiry date | Jan 3, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N13/373
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
In a 3D image display apparatus, a display unit includes a plurality of pixels and alternately displays a left-eye image in a first group of the pixels and a right-eye image in a second group of the pixels along a first direction, a barrier unit includes a light blocking portion blocking light received from the display unit and a light transmitting portion transmitting the light received from the display unit, and the light blocking portion and the light transmitting portion are alternately arranged in the first direction. A position information extraction unit determines the distance between the display unit and a viewer watching the display unit, and a control unit controls the display unit and the barrier unit in accordance with the distance information to allow the display unit and the barrier unit to be operated in a first mode or a second mode. Thus, a distance range in which the viewer perceives the 3D image increases.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.