Display panel and display device
US12422722B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Nov 28, 2022 |
| Grant date | Sep 23, 2025 |
| Priority date | — |
| Expiry date | Nov 28, 2042 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/1337
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A display panel including: a first substrate and a second substrate disposed oppositely and a liquid crystal layer disposed between the first substrate and the second substrate; a material of the liquid crystal layer includes a cholesteric liquid crystal; the display panel further includes: a microstructure optical film layer located on a side of the second substrate facing away from the first substrate; incident light is incident from a side of the microstructure optical film layer, reflected by the cholesteric liquid crystal, and then emerged from the microstructure optical film layer; the microstructure optical film layer includes multiple wedge structures; at least part of the wedge structures have different angles and sizes, so that light emerged from side view angles with different emergent angles are adjusted to a center view angle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.