Invention Publication
- Patent Title: SPECTACLE LENS
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Application No.: US18284115Application Date: 2022-03-31
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Publication No.: US20240174872A1Publication Date: 2024-05-30
- Inventor: Yuji HOSHI , Kenji KOJIMA
- Applicant: HOYA LENS THAILAND LTD.
- Applicant Address: TH Pathumthani
- Assignee: HOYA LENS THAILAND LTD.
- Current Assignee: HOYA LENS THAILAND LTD.
- Current Assignee Address: TH Pathumthani
- Priority: JP 21061557 2021.03.31
- International Application: PCT/JP2022/016492 2022.03.31
- Date entered country: 2023-09-26
- Main IPC: C09D7/63
- IPC: C09D7/63 ; C09D5/32 ; C09D175/06 ; G02B1/04 ; G02C7/10 ; G02C11/08

Abstract:
A spectacle lens including: a substrate; and a water-absorbent antifogging layer provided as an outermost layer on the substrate, wherein the water-absorbent antifogging layer contains an ultraviolet absorber, and the water-absorbent antifogging layer has spectral characteristics in which a light transmittance at least at 350 to 370 nm is less than 5%, and a wavelength at which the light transmittance is 5% or more is 370 nm or more.
Information query
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