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Patent Searching and Data


Title:
LIGHT GUIDING PANEL
Document Type and Number:
WIPO Patent Application WO/2019/198363
Kind Code:
A1
Abstract:
A light guiding panel according to the present invention is provided with at least a glass plate, and is characterized in that the glass plate has a glass composition containing, in % by mass, 55 to 80% of SiO2, 0 to 15% of Al2O3, 1 to 20% of B2O3, 1 to 20% of Li2O + Na2O + K2O, 0.1 to 10% of MgO + CaO + SrO + BaO, 0 to 0.5% of SnO2, 0 to 0.5% of Sb2O3 and 0 to 0.005% (50 ppm by mass or less) of Fe2O3, wherein the (MgO+CaO)/(Li2O+Na2O+K2O+MgO+CaO+SrO+BaO) mass ratio is less than 0.40.

Inventors:
HAYASHI Masahiro (7-1, Seiran 2-chom, Otsu-shi Shiga 39, 〒5208639, JP)
Application Number:
JP2019/007566
Publication Date:
October 17, 2019
Filing Date:
February 27, 2019
Export Citation:
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Assignee:
NIPPON ELECTRIC GLASS CO., LTD. (7-1 Seiran 2-chome, Otsu-shi Shiga, 39, 〒5208639, JP)
International Classes:
C03C3/091; C03C3/089; C03C17/04; F21S2/00; F21Y105/00; F21Y115/10
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