Gamma voltage generation circuit and drive apparatus
US10083663B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 10, 2016 |
| Grant date | Sep 25, 2018 |
| Priority date | — |
| Expiry date | Feb 28, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2360/16
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present application discloses a gamma voltage generating circuit, including an image detection module, a control module and a gamma voltage module; the image detection module is for acquiring an image input signal, and detecting the image input signal, when determining the gray scale indicated by the image input signal comprising a pure color gray scale, to generate and output a first detection result signal for indicating the pure color gray scale; the control module is electrically connected to the image detection module, for receiving the first detection result signal output from the image detection module and generating and outputting a first control signal in accordance with the first detection result signal; and the gamma voltage module is electrically connected to the control module to receive the first control signal output from the control module, and generate a gamma reference voltage in accordance with the first control signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.