Anti-reflective optical film and bendable display apparatus including the optical film
US10396128B2 · kind B2 · utility
3Cited by
4References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 19, 2017 |
| Grant date | Aug 27, 2019 |
| Priority date | — |
| Expiry date | Feb 27, 2037 |
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.