Projection apparatus and projection method for optimization of contrast and grayscale accuracy of projected image
US9706182B1 · kind B1 · utility
0Cited by
1References
8Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | May 31, 2016 |
| Grant date | Jul 11, 2017 |
| Priority date | — |
| Expiry date | May 31, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N9/3197
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A projection apparatus and a projection method of the projection apparatus are provided. A control unit adjusts a grayscale characteristic of a light valve according to a temperature of the light valve, so as to improve a contrast and grayscale accuracy of a screen image.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.