Relative enhancement of near-UV emission from a low-pressure mercury-rare-gas discharge lamp, for an LCD backlighting application

被引：5
|
作者：
Devonshire, R [1 ]
Healey, TJ
Stone, DA
Tozer, RC
机构：
[1] Univ Sheffield, Dept Chem, High Temperature Sci Labs, Sheffield S3 7HF, S Yorkshire, England
[2] Univ Sheffield, Dept Elect & Elect Engn, Sheffield S1 3JD, S Yorkshire, England
来源：
MEASUREMENT SCIENCE AND TECHNOLOGY | 2000年 / 11卷 / 05期
关键词：
discharge lamp; ultra-violet; emissions; LCD; pulse; pulsed operation; mercury-rare-gas discharge; low-pressure lighting;
D O I：
10.1088/0957-0233/11/5/315
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A narrow band near-UV backlight source with application in a new type of liquid crystal display is described. The light source is a pulse driven, mercury-argon gas, low-pressure discharge lamp. Pulse driving and lamp filling conditions are described for a lamp for which the ratio of the radiant outputs at 365 and 254 nm is enhanced considerably compared with the same lamp when it is operated with a conventional ac ballast. Pulsed operation of the lamp is shown also to increase the absolute radiant output of the group of transitions near 365 nm compared with the respective radiant output power from the same lamp when it is operated with ac with the same total input power.
引用
收藏
页码：547 / 553
页数：7
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