公开(公告)号：US07002299B2

公开(公告)日：2006-02-21

申请号：US10697090

申请日：2003-10-31

申请人： Masataka Kawaguchi ,  Motoko Uramoto ,  Dan Masashi ,  Yoshihiro Horikawa

发明人： Masataka Kawaguchi ,  Motoko Uramoto ,  Dan Masashi ,  Yoshihiro Horikawa

IPC分类号： H01J61/12

CPC分类号： H01J61/12 ,  H01J9/395

摘要： A discharge lamp which maintains a high lumen maintenance factor even when operated for a long time is obtained in a discharge lamp which has a silica glass discharge vessel and a pair of opposed electrodes in the discharge vessel and in which the discharge vessel is filled with at least 0.15 mg/mm3 mercury, a rare gas with argon as the main component, and 2×10−4 μmole/mm3 to 7×10−3 μmole/mm3 bromine by meeting the following conditions when feeding a direct current of 5 mA between the electrodes and a glow discharge produced: 1.0×10−4≦b/a≦1.2×10−1  Condition (1) c/a≦1.4×10−1  Condition (2) d/a≦1.2×10−2  Condition (3) e/a≦1.4×10−2  Condition (4) where a is the emission intensity of the argon with a wavelength of 668 nm, b is the emission intensity of OH with a wavelength of 309 nm, c is the emission intensity of hydrogen (H) with a wavelength of 656 nm, d is the emission intensity of C2 with a wavelength of 517 nm, and e is the emission intensity of CH with a wavelength of 431 nm.

摘要翻译： 在放电灯放电灯中，即使在放电容器中具有石英玻璃放电容器和一对相对电极的放电灯，也可以在放电容器中填充放电灯 至少0.15mg / mm 3汞，一种以氩为主要成分的稀有气体，以及2×10 -4 Mumole / mm 3至7×10 3， 通过满足以下条件，在电极之间馈送5mA的直流电流和辉光放电产物时，通过满足以下条件：SUP> -3 / m 3 /