Spectacle lens and spectacles

a technology of spectacles and lenses, applied in the direction of spectacles/goggles, spectacles/goggles, instruments, etc., can solve the problems of multi-layer film heat resistance, and achieve the effect of excellent heat resistan

Inactive Publication Date: 2018-10-18
HOYA LENS THAILAND LTD
View PDF3 Cites 2 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The patent text discusses the issue of heat resistance in conventional spectacle lenses that have a multilayer film. The technical effect is to provide a spectacle lens with a multilayer film that is excellent in heat resistance.

Problems solved by technology

However, as a result of examining the conventional spectacle lens having a multilayer film such as described in Japanese Translation of PCT Application No. 2010-519586, it was found that such a spectacle lens has a problem regarding the heat resistance of the multilayer film, that is, that improvement of heat resistance is desirable.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Examples

Experimental program
Comparison scheme
Effect test

examples

[0049]Hereinafter, the present disclosure will be further described with reference to Examples, but the present disclosure is not limited to the embodiments shown in the Examples.

[0050][Preparation of Spectacle Lens Having Multilayer Film]

[0051]In the tables shown below, No. 1-1 to No. 11-5 are Examples, and C-1 to C-7 are Comparative Examples. Also, No. 1-1 to No. 1-5 are Examples in which multilayer films having the same structure are formed on different lens base materials. The same applies to other Examples such as No. 2-1 to No. 2-5.

[0052]The lens base materials used in Examples and Comparative Examples are described hereinbelow.

[0053]Lens base material having a refractive index of 1.50: Hilux manufactured by HOYA Corporation

[0054]Lens base material having a refractive index of 1.53: Phoenix manufactured by HOYA Corporation.

[0055]Lens base material having a refractive index of 1.59: Poly manufactured by HOYA Corporation

[0056]Lens base material having a refractive index of 1.60:...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

PropertyMeasurementUnit
wavelengthaaaaaaaaaa
accelerating currentaaaaaaaaaa
accelerating voltageaaaaaaaaaa
Login to view more

Abstract

Provided is a spectacles lens that includes a multilayer film disposed on a surface of a lens base material directly or via one or more other layers, wherein the multilayer film includes a plurality of high refractive index material layers and a plurality of low refractive index material layers, and a thickness of the thickest high refractive index material layer among the plurality of high refractive index material layers is greater than a thickness of the thickest low refractive index material layer among the plurality of low refractive index material layers.

Description

CROSS-REFERENCE OF RELATED APPLICATIONS[0001]This application is a Continuation of PCT International Application No. PCT / JP2017 / 29977 filed on Aug. 22, 2017, which was published under PCT Article 21(2) in Japanese and claims priority under 35 U.S.C § 119(a) to Japanese Patent Application No. 2016-161996 filed on Aug. 22, 2016. The above applications are hereby expressly incorporated by reference, in their entirety, into the present application.TECHNICAL FIELD[0002]The present disclosure relates to a spectacle lens and spectacles equipped with the spectacle lens.BACKGROUND ART[0003]In general, spectacle lenses have a configuration in which one or more functional films for imparting various functions are provided on a lens base material. For example, by providing a multilayer film on a lens base material, the reflection characteristic of the spectacle lens is controlled (see, for example, Japanese Translation of PCT Application No. 2010-519586 (the entire disclosure of which is hereby...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Applications(United States)
IPC IPC(8): G02C7/06B29D11/00
CPCG02C7/061B29D11/00355G02C2202/12G02C2202/16G02B5/285G02C7/02G02B1/115G02C7/10
Inventor TAKASHIBA, KENJIJAMJAI, NITHUSPLEANRASI, SUPARERK
Owner HOYA LENS THAILAND LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap