Display device and display method
US11054678B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 26, 2017 |
| Grant date | Jul 6, 2021 |
| Priority date | — |
| Expiry date | Dec 18, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2358/00
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A display device and a display method. The display device includes an anti-peeping backlight module, a display panel and a regulator, the display panel being arranged on a light exit surface of the anti-peeping backlight module, and the anti-peeping backlight module being configured to emit an anti-peeping backlight; the display device has an anti-peeping OFF state and an anti-peeping ON state; wherein, in the anti-peeping OFF state, the regulator is configured to increase a divergence angle of the anti-peeping backlight so as to obtain divergent light; in the anti-peeping ON state, the regulator is configured to maintain the divergence angle of the anti-peeping backlight so as to obtain anti-peeping light. The display device and display method provided in this text can enable switching between normal display mode and an anti-peeping display mode to facilitate safe display of the display device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.