Title:
SPECTACLE LENS
Document Type and Number:
WIPO Patent Application WO/2020/004551
Kind Code:
A1
Abstract:
Provided is a spectacle lens 1 for causing a light beam incident from an object-side surface 3 to be emitted from an eye-side surface 4 and to converge at a predetermined position A, wherein the spectacle lens 1 is provided with a lens base material 2 having a plurality of base material convex parts 6 on the object-side surface 3 and/or the eye-side surface 4, and a coating for covering the surface having the base material convex parts 6, the shape of a convex part on the outermost surface of the spectacle lens on the side thereof having the base material convex parts 6 being a shape approximating the base material convex parts so as to cause a light beam incident on the spectacle lens 1 to converge at a position B further to the object side than the predetermined position A.
Inventors:
QI HUA (JP)
ISHIZAKI TAKAKO (JP)
KONO SHIGETOSHI (JP)
ISHIZAKI TAKAKO (JP)
KONO SHIGETOSHI (JP)
Application Number:
PCT/JP2019/025616
Publication Date:
January 02, 2020
Filing Date:
June 27, 2019
Export Citation:
Assignee:
HOYA LENS THAILAND LTD (TH)
QI HUA (JP)
ISHIZAKI TAKAKO (JP)
KONO SHIGETOSHI (JP)
QI HUA (JP)
ISHIZAKI TAKAKO (JP)
KONO SHIGETOSHI (JP)
International Classes:
G02C7/02; G02B1/11; G02B1/14
Domestic Patent References:
| WO2018026697A1 | 2018-02-08 | |||
| WO2008084604A1 | 2008-07-17 | |||
| WO2015163467A1 | 2015-10-29 |
Foreign References:
| JP2012163789A | 2012-08-30 | |||
| US20170131567A1 | 2017-05-11 | |||
| CN104678572A | 2015-06-03 | |||
| US20170131567A1 | 2017-05-11 | |||
| JPS6310640A | 1988-01-18 | |||
| JP2007077327A | 2007-03-29 |
Other References:
See also references of EP 3816714A4
Attorney, Agent or Firm:
ANIYA Setuo et al. (JP)
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