Image display device and control method thereof
US9558688B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 13, 2014 |
| Grant date | Jan 31, 2017 |
| Priority date | — |
| Expiry date | Mar 13, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2340/06
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An image display device includes: a light transmitting unit having transmission wavelength characteristics corresponding to each of a plurality of colors; an illuminating unit configured to emit light corresponding to each of the plurality of colors, the illuminating unit being configured to emit, with respect to at least one predetermined color, light including first light and second light whose emission peak wavelengths are both within a range of the transmission wavelength characteristics corresponding to the predetermined color and whose emission peak wavelengths differ from one another; and a control unit configured to control an intensity of each of the light of the plurality of emission spectra corresponding to the predetermined color in accordance with a color distribution of the image.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.