Title:
SPECTACLE LENS
Document Type and Number:
WIPO Patent Application WO/2023/223854
Kind Code:
A1
Abstract:
[Problem] To provide a spectacle lens in which a novel function can be exhibited by a plurality of regions of mutually different colors. [Solution] This spectacle lens 1 has a substrate 2, and a first portion 20 (first antireflection film) and a second portion 22 (second antireflection film) of a convex-side optical multilayer film 4 formed on the substrate 2. A reflection color pertaining to the first portion 20 and a reflection color pertaining to the second portion 22 are mutually different. The substrate 2 also has a near-sight section 12 for viewing objects at a lesser distance. The first portion 20 is arranged in the near-sight section 12.
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Inventors:
TAKAHASHI HIROTOSHI (JP)
NAGAO ATSUSHI (JP)
NAGAO ATSUSHI (JP)
Application Number:
PCT/JP2023/017206
Publication Date:
November 23, 2023
Filing Date:
May 02, 2023
Export Citation:
Assignee:
TOKAI OPTICAL CO LTD (JP)
International Classes:
G02C7/02; G02B1/115; G02B5/26; G02B5/28; G02C7/06; G02C7/10
Domestic Patent References:
| WO2019103105A1 | 2019-05-31 |
Foreign References:
| JP2015049338A | 2015-03-16 | |||
| JP2015049339A | 2015-03-16 | |||
| JP2012141407A | 2012-07-26 |
Attorney, Agent or Firm:
ISHIDA Yoshiki (JP)
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