发明授权
US6120902A Luminescent article with protective coating and manufacture 失效
具有保护涂层和制造的发光制品

Luminescent article with protective coating and manufacture
摘要:
A method of manufacturing a luminescent article comprising a self-supporting or supported phosphor containing layer having thereon a protective coating, said method comprising the step of applying on top of said phosphor containing layer a radiation-curable liquid coating composition having at the coating temperature a viscosity of at least 450 mPa.s, the viscosity at that temperature being measured with a Hoeppler viscometer.
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