Optical film
US12222534B1 · kind B1 · utility
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20Claims
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Assignee
Inventors
Key dates
| Filing date | Apr 30, 2024 |
| Grant date | Feb 11, 2025 |
| Priority date | — |
| Expiry date | Apr 30, 2044 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/0053
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Provided is an optical film comprising a first base portion; a pyramid pattern layer including a plurality of pyramid patterns formed on a first surface of the first base portion and a first side of a base of the pyramid pattern arranged in a pyramid direction; and a first prism pattern layer including a plurality of first prism patterns formed on a second surface of the first base portion and an edge of the first prism pattern arranged in a prism direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.