Antimony-free glass, antimony-free frit and a glass package that is hermetically sealed with the frit
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United States of America Patent
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May 7, 2013
Grant Date -
Sep 6, 2012
app pub date -
May 16, 2012
filing date -
Oct 20, 2008
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Abstract
An antimony-free glass suitable for use in a frit for producing a hermetically sealed glass package is described. The hermetically sealed glass package, such as an OLED display device, is manufactured by providing a first glass substrate plate and a second glass substrate plate and depositing the antimony-free frit onto the first substrate plate. OLEDs may be deposited on the second glass substrate plate. An irradiation source (e.g., laser, infrared light) is then used to heat the frit which melts and forms a hermetic seal that connects the first glass substrate plate to the second glass substrate plate and also protects the OLEDs. The antimony-free glass has excellent aqueous durability, good flow, low glass transition temperature and low coefficient of thermal expansion.
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