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发明公开
CN101510494A 显示装置用的放电灯和使用该放电灯的背光装置 无效 - 撤回

显示装置用的放电灯和使用该放电灯的背光装置
摘要：
本发明提供一种显示装置用放电灯(2)，其包括：具有至少两个以上的直线部(211)和形成在所述直线部(211)之间的弯曲部(212)的玻璃管(21)；形成在所述玻璃管(21)内壁面的、并含有荧光体(221)的发光层(22)；设置在所述玻璃管(21)的放电电极(24)，所述弯曲部(212)其截面为大致椭圆形，长轴半径为R’，短轴半径为R时，R/R’≤0.8。
摘要（英）：

The invention provides a discharging light (2) used for a display device, comprising a glass pipe of a bending portion (212) at least having more than two straight line portions (211) and being formed among the straight line portions (211); a lighting layer (22) formed at the inner side of the glass pipe (21) having a fluorophor (221); a discharging electrode (24) arranged at the glass pipe (21); the section of the bending portion (212) is approximately elliptical; the radius of the long axis is R; the radius of the short axis is R/ R'; R/ R' is less than or equal to 0.8.

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