Composite optical film
US12085737B2 · kind B2 · utility
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2References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 23, 2023 |
| Grant date | Sep 10, 2024 |
| Priority date | — |
| Expiry date | Mar 23, 2043 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/0053
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A composite optical film comprises a first optical film and a second optical film disposed on the first optical film, wherein the first 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; and the second optical film comprises a first PET film thereon having a first set of prisms and a second PET film having a second set of prisms thereon, wherein the first PET film and the second PET film are laminated together.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.