Glass composition with high visible light transmission and low ultraviolet light transmission
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United States of America Patent
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Oct 14, 2008
Grant Date -
Jan 18, 2007
app pub date -
Jul 15, 2005
filing date -
Jul 15, 2005
priority date (Note) -
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Abstract
The invention is a glass composition with high visible light transmission and low ultraviolet light transmission, comprising, in weight percentage, less than 0.03 wt % of ferric oxide, from 0.05 to 1 wt % of titanium oxide and from 0 to 0.6 of cerium oxide, the glass having greater than 87% in visible luminous transmittance; a UV light transmission less than 60% and more preferably less than 50%; and, a solar direct transmittance no more than 90%.
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