Display panel with switchable wide and narrow viewing angles, driving method and display device
US12292630B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 6, 2022 |
| Grant date | May 6, 2025 |
| Priority date | — |
| Expiry date | Apr 6, 2042 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133374
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A display panel with switchable wide and narrow viewing angles, a driving method, and a display device are provided. The display panel is provided with a patterned identification area and a non-identification area. The display panel includes a light adjusting box and a display box which are arranged in a stacked manner. The light adjusting box includes a first substrate, a second substrate and a first liquid crystal layer. The first substrate is provided with a common viewing angle electrode, the second substrate is provided with a first viewing angle electrode and a second viewing angle electrode matching the common viewing angle electrode, the first viewing angle electrode corresponds to the identification pattern area, and the second viewing angle electrode corresponds to the non-identification pattern area.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.