Image display device
US8633974B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | May 14, 2010 |
| Grant date | Jan 21, 2014 |
| Priority date | — |
| Expiry date | Jun 26, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N13/359
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An image display device includes an image display panel including a plurality of pixels configured to display a 2D image or a 3D image, a driving circuit configured to apply a data voltage in a 2D image format or a data voltage in a 3D image format to the image display panel, a controller configured to control the driving circuit in a 2D mode for displaying the 2D image or in a 3D mode for displaying the 3D image, and a patterned retarder configured to convert light from the image display panel to alternately have a first polarization and a second polarization, wherein each pixel includes first to fourth subpixels, and the data voltage in the 2D image format is applied to the first to third subpixels and a luminance compensation voltage is applied to the fourth subpixel in the 2D mode, while the data voltage in the 3D image format is applied to the first to third subpixels and a dark gray voltage is applied to the fourth subpixel in the 3D mode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.