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霓虹灯是一种冷阴极低气压气体放电灯。中文名字是英文NEON的音译,意思是氖气。由于霓虹灯的特性,也有人把霓虹灯灯管称为冷阴极管。在美国和中东地区,一般把霓虹灯灯管管径15毫米以上使用60毫安电流变压器的称为冷阴极管,把15毫米管径以下的称为霓虹灯灯管。1910年,法国科学家克劳德首次在巴黎宫殿的外轮廓上使用霓虹灯,拉开了霓虹商业应用的序幕。霓虹灯在中国的首次使用,是1926年上海南京东路的伊文思外文书店安装的皇家牌打字机霓虹招牌。
Neon is a cold cathode gas pressure discharge lamp. Chinese name is the transliteration of the English NEON, meaning neon. Due to the characteristics of neon light, some people call the neon light tube cold cathode tube. In the United States and the Middle East, the neon lamp is typically referred to as a cold cathode tube with a 60 milliampere current transformer and a neon lamp below about 15 millimeters in diameter. In 1910, the French scientist Claude used the neon light for the first time on the outer outline of the Parisian palace, opening the curtain of the neon business application. The first use of neon lights in China was the Neon Signboard typewriter neon sign installed at the Evans Bookstore, Nanjing East Road, Shanghai in 1926.