Invention Grant
- Patent Title: Transparent plastic substrate and plastic lens
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Application No.: US16113673Application Date: 2018-08-27
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Publication No.: US10947365B2Publication Date: 2021-03-16
- Inventor: Masahisa Kousaka , Natsumi Tasaki
- Applicant: HOYA LENS THAILAND LTD.
- Applicant Address: TH Patumthani
- Assignee: HOYA LENS THAILAND LTD.
- Current Assignee: HOYA LENS THAILAND LTD.
- Current Assignee Address: TH Patumthani
- Agency: Oliff PLC
- Priority: JP2013-205517 20130930
- Main IPC: G02B1/04
- IPC: G02B1/04 ; G02B5/22 ; C08K5/3475 ; C08L101/00
Abstract:
To provide a transparent plastic substrate having a high cut rate of blue light, a plastic lens and a transparent plastic member. A transparent plastic substrate containing a benzotriazole compound represented by the formula (1), a plastic lens containing the transparent plastic substrate, and a transparent plastic member containing a benzotriazole compound represented by the formula (1).
Public/Granted literature
- US20180362731A1 TRANSPARENT PLASTIC SUBSTRATE AND PLASTIC LENS Public/Granted day:2018-12-20
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