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COLD-CATHODE FLUORESCENT LAMP, AND BACKLIGHT UNIT WITH THE SAME MOUNTED 发明申请

2023-12-02 4330 115K 0

专利信息

申请日期 2025-07-12 申请号 JP2004299290
公开(公告)号 JP2005166638A 公开(公告)日 2005-06-23
公开国别 JP 申请人省市代码 全国
申请人 MATSUSHITA ELECTRIC IND CO LTD
简介 PROBLEM TO BE SOLVED : To provide a cold-cathode fluorescent lamp capable of sufficiently shielding not only an ultraviolet ray of 254 nm but also an ultraviolet ray of 313 nm, and hardly causing the degradation of the surface luminance of a backlight unit, and to provide a backlight unit at a low cost. SOLUTION : This cold-cathode fluorescent lamp 1 is so structured that a phosphor 6 is applied to the inside surface of an arc tube 2; and mercury and a buffering rare gas are enclosed in the arc tube 2. The arc tube 2 is formed of borosilicate glass doped with an ultraviolet absorbent at a composition ratio of 5.1-9.0 wt.%.


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