Method for manufacturing spectacle lens
US10913226B2 · kind B2 · utility
0Cited by
2References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 26, 2018 |
| Grant date | Feb 9, 2021 |
| Priority date | — |
| Expiry date | Jun 26, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02C7/12
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Provided is a spectacle lens endowed with high luminous transmittance as well as adequate polarizing function. A method for manufacturing a spectacle lens, comprising forming a polarizing layer by applying a coating liquid containing 0.04% by mass to 1.5% by mass of a dichroic pigment by a spin coating method at a speed of 200 rpm to 600 rpm on a rubbing-treated surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.