Patent ID: 7504778
Filing Date: 2009-03-17
Classification: G02F,H01J

Abstract:
1. An external electrode fluorescent lamp, comprising: a ferroelectric glass tube filled with discharge gas; a ferroelectric film on an internal surface of the ferroelectric glass tube; and external electrodes on an external surface of the ferroelectric glass tube overlapping the ferroelectric films, wherein the external electrode is made from Tin (Sn) of 60˜70% by weight, Bismuth (Bi) of 22˜28% by weight, Zinc (Zn) of 3˜6% by weight, Indium (In) of 1˜2% by weight, Antimony (Sb) of 0.2˜0.7% by weight and Aluminum (Al) Of 0.05˜0.15% by weight.