How many colors are there in neon lights?

There are six colors of neon lights, which are bright red, deep red, golden, blue, green, and purple.

1. Neon lights are bright and luminous, filled with thin neon gas or other energized glass tubes or bulbs, and are a cold cathode gas discharge lamp. The neon tube is a sealed glass tube with electrodes at both ends, which is filled with some low-pressure gas. A voltage of several thousand volts is applied to the electrode, and the gas in the ionization tube causes it to emit light.

2. The color of the light depends on the gas in the tube. Neon light is the transliteration of neon light. Neon, a rare gas, emits a popular orange light, but the use of other gases will produce other colors, such as hydrogen (red), helium (yellow), carbon dioxide (white) , Mercury vapor (blue).

3. Neon lights rely on the electrode heads at both ends of the light to ignite the rare gas in the tube under a high-voltage electric field. It is different from ordinary light sources that must burn the tungsten filament to a high temperature to emit light, causing a large amount of electrical energy to be consumed in the form of heat. Therefore, with the same amount of electrical energy, neon lights have higher brightness.

 


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