Shanghai Wujiaochang town advertising company produced 3 2 luminous characters plastic characters making

Following the Shanghai Yue neon beautician city, when night falls, the lanterns, colorful neon lights put the dress was exceptionally beautiful city. So, neon, LED luminous characters is how inventive it? Neon outdoor lighting decoration, Figure 2 (this is a LED light) 021-64855876 said that neon is a British chemist Ramsay in an experiment discovered by accident. It was a night in June 1898, the Ramsay and his assistant are laboratory experiments aimed at checking whether a rare gas conductive. Ramsay put a rare gas injection in a vacuum glass tube, then sealed in a vacuum tube two metal electrodes connected to the high-voltage power supply, attentively observe this gas can conduct electricity. Suddenly, an unexpected phenomenon: the injection tube of rare gases not only begins to conduct, but also sent a very beautiful red. This magical red make Ramsay and his assistant pleasantly surprised, they opened the door to the world of neon. [Wyatt] Following neon outdoor lighting decoration, 1 Ramsay put this can conduct electricity and emit red light rare gases neon named. Later, he continued some of the other gases and emit colored light conductive characteristics experiment