How Do Neon Lights REALLY Work.. 

How Do Neon Lights REALLY Work..
Welcome back to Creative Focus. Neon signs light up the night sky. These colorful glass tubes can be bent to form shapes or spell out words. Neon lights get their name from the gas that some of the tubes are filled with. It is this gas that produces the color. Neon is one of a group of elements called the noble gases. A neon light contains a tiny amount of neon gas under low pressure. Electricity provides energy to strip electrons away from neon atoms, ionizing them. Ions are attracted to terminals of the lamp, completing the electric circuit. Light is produced when neon atoms gain enough energy to become excited. When an atom returns to a lower energy state, it releases a photon (light).
Each noble gas glows a specific color when electricity is passed through it, and the gases can be mixed to create other colors. Reds and oranges are produced by neon, while green is made when argon is put into tubes lined with a green fluorescent coating. Gold is made by combining argon and helium inside a gold glass tube, pink is a mix of argon and xenon, and white is made by pure xenon.
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