Display device and display driver for improving response time by preparatory writing of a predetermined gradation
US10839761B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 23, 2018 |
| Grant date | Nov 17, 2020 |
| Priority date | — |
| Expiry date | Feb 23, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2340/16
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
According to one embodiment, a display driver configured to control a display operation of an active-matrix display device, wherein the display device includes a display area in which liquid crystal pixels are arranged in a matrix form, a plurality of scanning lines arranged along rows, a plurality of signal lines arranged along columns, a plurality of switching elements arranged in the vicinities of positions at which the scanning lines and the signal lines intersect each other, and a backlight, and the display driver controls preparatory write of writing a signal of a predetermined gradation to the liquid crystal pixels, thereafter controls sequential write of an image signal to the liquid crystal pixels, and at the time after an elapse of a predetermined time from the preparatory write, makes the backlight light up.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.