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Title:
OPTICAL GLASS, OPTICAL MEMBER, AND OPTICAL DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/102754
Kind Code:
A1
Abstract:
Provided are: optical glass having a high refractive index, wherein the color of the optical glass is improved when the optical glass is combined with a light-modulating member, and the optical glass is suitable as a member for a wearable device; an optical member in which the optical glass is used; and an optical device. Optical glass 11 having a refractive index of 1.55 or higher, the color value b* under an A light source satisfying the relationship b* > 4.8 in a CIELab display; an optical member 10 having a configuration in which the optical glass 11 and a light-modulating member 12 are superposed; and an optical device in which the optical member 10 is used.

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Inventors:
AMMA SHINICHI (JP)
NAGASHIMA TATSUO (JP)
Application Number:
PCT/JP2018/038933
Publication Date:
May 31, 2019
Filing Date:
October 19, 2018
Export Citation:
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Assignee:
AGC INC (JP)
International Classes:
G02B5/22; G02B27/02; G02C7/10
Domestic Patent References:
WO2014175366A12014-10-30
Foreign References:
JP2003183047A2003-07-03
Attorney, Agent or Firm:
SAKURA PATENT OFFICE, P.C. (JP)
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