A method of forming a phosphor layer of a gas discharge tube provided with the phosphor layer on an internal surface of an elongated tubular vessel forming a discharge space. The method includes the steps of introducing a slurry of phosphor powder and a binding resin dispersed in a medium into the tubular...http://www.google.ca/patents/US6857923?utm_source=gb-gplus-sharePatent US6857923 - Method of forming phosphor layer of gas discharge tube
