Anti-reflective optical film and bendable display apparatus including the optical film
US11264429B2 · kind B2 · utility
2Cited by
18References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 15, 2020 |
| Grant date | Mar 1, 2022 |
| Priority date | — |
| Expiry date | Dec 15, 2040 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E10/549
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A display apparatus includes a display panel configured to display an image. The display panel has a folding axis extending in a first direction. An optical film is disposed over the display panel. The optical film includes a circular polarizer including at least two phase retarders and one polarizer. Slow axes of each of the at least two phase retarders are located in the same quadrant of four quadrants of the optical film.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.