Grating driving circuit, driving method and naked-eye 3D display
US10955684B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 7, 2018 |
| Grant date | Mar 23, 2021 |
| Priority date | — |
| Expiry date | Nov 14, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B27/0093
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A grating driving circuit, including: a grating including a plurality of grating elements, each having an on/off state controlled by a grating driving signal; a viewpoint tracker for determining a viewing distance of a viewer; a plurality of grating control electrodes with each configured to control the on/off state of a corresponding grating element in the grating according to a grating driving signal; a grating driving signal generator for generating a plurality of sets of grating driving signals with each set corresponding to a viewing distance and including a plurality of grating driving signals; and a grating driving controller for determining a set of grating driving signals corresponding to the viewing distance, and forming grating periods corresponding to the viewing distance, each grating period including a plurality of grating control electrodes that correspond to the plurality of grating driving signals in a one-to-one relationship.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.