Daylighting film, die for forming daylighting film, and manufacturing method for daylighting film
US10746363B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 27, 2016 |
| Grant date | Aug 18, 2020 |
| Priority date | — |
| Expiry date | Feb 22, 2037 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2011/00
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Provided is a daylighting film (10) including: a base (11) having light-transmissive performance; a plurality of first protrusion portions (12) that have light-transmissive performance and are provided to be adjacent to each other on one surface (11a) of the base (11); a gap portion (13) provided between the first protrusion portions (12); and at least one second protrusion portion (14) that is provided in at least one gap portion (13) to be adjacent to the first protrusion portions (12) on the one surface (11a) of the base (11) and that is formed of the same material as that of the first protrusion portions (12), in which a height of the second protrusion portion (14) from the one surface (11a) of the base (11) is smaller than a height of each of the first protrusion portions (12) from the one surface (11a) of the base (11).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.