Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
SPECTACLE LENS
Document Type and Number:
WIPO Patent Application WO/2020/004552
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 base material convex parts 6 and a convex part on the outermost surface of the spectacle lens 1 on the side thereof having the base material convex parts 6 having a light beam convergence characteristic in common.

Inventors:
QI HUA (JP)
ISHIZAKI TAKAKO (JP)
KONO SHIGETOSHI (JP)
Application Number:
PCT/JP2019/025617
Publication Date:
January 02, 2020
Filing Date:
June 27, 2019
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
HOYA LENS THAILAND LTD (TH)
QI HUA (JP)
ISHIZAKI TAKAKO (JP)
KONO SHIGETOSHI (JP)
International Classes:
G02C7/02; G02B1/11; G02B1/14
Domestic Patent References:
WO2018026697A12018-02-08
WO2008084604A12008-07-17
WO2015163467A12015-10-29
Foreign References:
JP2012163789A2012-08-30
US20170131567A12017-05-11
CN104678572A2015-06-03
US20170131567A12017-05-11
JPS6310640A1988-01-18
JP2007077327A2007-03-29
Other References:
See also references of EP 3816712A4
Attorney, Agent or Firm:
ANIYA Setuo et al. (JP)
Download PDF: