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Patent Searching and Data


Title:
SPECTACLE LENS, SPECTACLES, AND SPECTACLE LENS MANUFACTURING METHOD
Document Type and Number:
WIPO Patent Application WO/2021/053887
Kind Code:
A1
Abstract:
A spectacle lens (1) comprises a polarized part (10) and a non-polarized part (20). The polarized part (10) includes a base section (11) and a polarized sheet (12). The non-polarized part (20) is adjacent to the polarized part (10). The polarized sheet (12) is in surface-to-surface contact with the base section (11) so as to be non-separable. The thickness (W1) of the non-polarized part (20) is thicker than the thickness (W2) of the base section (11). The base section (11) and the non-polarized part (20) constitute a light-transmitting member (2) which is a single member. The light-transmitting member (2) is a colored resin.

Inventors:
MIYOSHI KAZUYUKI (JP)
MUNAKATA YOSHIKAZU (JP)
Application Number:
PCT/JP2020/021392
Publication Date:
March 25, 2021
Filing Date:
May 29, 2020
Export Citation:
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Assignee:
MIYOSHI IND ENTERPRISE INC (JP)
SUN RAY CORP (JP)
International Classes:
G02B5/22; G02C7/12; G02B5/30; G02C7/02
Foreign References:
US20040046927A12004-03-11
JP2004276354A2004-10-07
JPH09179076A1997-07-11
JPS6241125U1987-03-12
JP2002122825A2002-04-26
US20070285613A12007-12-13
JP2007531032W
Other References:
See also references of EP 4033292A4
Attorney, Agent or Firm:
MAEI Hiroyuki (JP)
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