Invention Application
- Patent Title: SPECTACLE LENS AND SPECTACLES
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Application No.: US16651548Application Date: 2018-09-28
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Publication No.: US20200264341A1Publication Date: 2020-08-20
- Inventor: Yoichi OGO , Shunsuke SHIOYA
- Applicant: HOYA LENS THAILAND LTD. , JINS HOLDINGS INC.
- Applicant Address: TH Pathumthani JP Maebashi-shi, Gunma
- Assignee: HOYA LENS THAILAND LTD.,JINS HOLDINGS INC.
- Current Assignee: HOYA LENS THAILAND LTD.,JINS HOLDINGS INC.
- Current Assignee Address: TH Pathumthani JP Maebashi-shi, Gunma
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@5095e8e9
- International Application: PCT/JP2018/036304 WO 20180928
- Main IPC: G02B1/115
- IPC: G02B1/115 ; G02B5/22 ; G02B5/28 ; G02C7/10 ; G02B5/26 ; G02B1/14

Abstract:
Provided is a spectacle lens, having a lens substrate including a blue light absorbable compound, and a multilayer film including a chromium layer with a film thickness of 1.0 to 10.0 nm, blue light cut rate being 21.0% or more, a dominant wavelength measured at the object side surface of the spectacle lens falling within a range of 500.0 to 550.0 nm, and a dominant wavelength measured at the eyeball side surface of the spectacle lens falling within a range of 500.0 to 550.0 nm.
Public/Granted literature
- US11513258B2 Spectacle lens and spectacles Public/Granted day:2022-11-29
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