Composite optical film
US11867939B2 · kind B2 · utility
0Cited by
0References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 7, 2022 |
| Grant date | Jan 9, 2024 |
| Priority date | — |
| Expiry date | Aug 18, 2042 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/0065
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A composite optical film comprises: a first substrate; a plurality of reversed prisms disposed on a bottom surface of the first substrate; and a first diffusion film disposed over a top surface of the first substrate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.