Title:
OPTICAL COMPONENT
Document Type and Number:
WIPO Patent Application WO/2014/208412
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide an optical component having good visibility and which is also effective at preventing eye disease, and the present invention is an optical component in which a multilayer film is provided on both surfaces of a plastic lens, a multilayer film provided on a back surface having an average reflectance of 15% or less in a wavelength region of 280 nm to 380 nm when the angle of incidence is 0 degrees to 45 degrees, the multilayer film provided on the back surface comprising three or more high-refractive-index layers and low-refractive-index layers superposed on each other, and at least one high-refractive-index layer in the multilayer film provided on the back surface being a thick film having an optical film thickness of 0.400-0.700 λ.
Inventors:
MIYAMOTO SO (JP)
TOMODA MASAOKI (JP)
TOMODA MASAOKI (JP)
Application Number:
PCT/JP2014/066122
Publication Date:
December 31, 2014
Filing Date:
June 18, 2014
Export Citation:
Assignee:
NIKON ESSILOR CO LTD (JP)
International Classes:
G02C7/10; G02B1/11
Domestic Patent References:
| WO2010125667A1 | 2010-11-04 | |||
| WO2012076714A1 | 2012-06-14 |
Foreign References:
| JP2006284778A | 2006-10-19 | |||
| JP2001131420A | 2001-05-15 |
Attorney, Agent or Firm:
WATANABE Mochitoshi et al. (JP)
Mochitoshi Watanabe (JP)
Mochitoshi Watanabe (JP)
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