LEAD-FREE GLASS FOR COATING FLUORESCENT FLAT LAMP ELECTRODE AND FLUORESCENT FLAT LAMP

WIPO Patent Application WO/2006/013680

A1

A lead-free glass for coating a fluorescent flat lamp (FFL) electrode which comprises, in mole % based on the following oxides, 20 to 50 % of B₂O₃, 5 to 35 % of SiO₂, 10 to 30 % of ZnO, 0 to 10 % of Al₂O₃, 0 to 10 % of SrO, 0 to 20 % of BaO, and 2 to 16 % of Li₂O + Na₂O + K₂O. A fluorescent flat lamp (FFL) wherein a discharge gas is present in the space being enclosed by opposed two sheets of glass substrate and side walls formed between peripheries of the glass sheets, one electrode of pair electrodes for effecting a discharge in said discharging gas is formed on one of the opposed surfaces of the two sheets of glass substrate, the one electrode is coated with glass, and a phosphor layer emitting a fluorescence by the above discharge is formed so as to contact with the above discharge gas, and wherein the glass for coating said electrode is a lead-free glass.

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USUI HIROSHI (JP)
FUJIMINE SATOSHI (JP)

PCT/JP2005/011120

February 09, 2006

June 17, 2005

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ASAHI GLASS CO LTD (JP)
USUI HIROSHI (JP)
FUJIMINE SATOSHI (JP)

C03C8/04; H01J11/22; H01J11/34; H01J11/38; (IPC1-7): C03C8/04; H01J61/30; H01J65/00

JPH0721984A	1995-01-24
JP2001058849A	2001-03-06
JP2002053342A	2002-02-19
JP2002075286A	2002-03-15
JP2002117955A	2002-04-19

Senmyo, Kenji (38 Kanda-Higashimatsushitach, Chiyoda-ku Tokyo 42, JP)

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