Title:
MANUFACTURING METHOD FOR OPTICAL ARTICLE
Document Type and Number:
WIPO Patent Application WO/2023/190672
Kind Code:
A1
Abstract:
Provided is a manufacturing method for an optical article that includes applying a polymerizable composition on a base material to form a coating layer, and implementing a curing process on the coating layer by irradiating the coating layer with light from a light source that emits light in a wavelength band ranging from UV light to visible light. The polymerizable composition includes one or more types of polymerizable compounds having a molecular weight of 500 or less, a photoinitiator having absorption in at least a portion of the visible light wavelength band, and a UV-absorbing compound. During the light irradiation, for at least a portion of time from the start of irradiation, a UV filter is placed between the light source and the coating layer and the light irradiation is carried out.
Inventors:
CHOI SEONGJIB (JP)
Application Number:
PCT/JP2023/012772
Publication Date:
October 05, 2023
Filing Date:
March 29, 2023
Export Citation:
Assignee:
HOYA LENS THAILAND LTD (TH)
CHOI SEONGJIB (JP)
CHOI SEONGJIB (JP)
International Classes:
G02B1/14; G02B5/23; G02C7/10
Foreign References:
| JP2021107513A | 2021-07-29 | |||
| JP2021107514A | 2021-07-29 | |||
| JP2007213045A | 2007-08-23 | |||
| JP2021107909A | 2021-07-29 | |||
| JP2020038246A | 2020-03-12 |
Attorney, Agent or Firm:
SIKS & CO. (JP)
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