Why do LED neon lights have different bright colors?

Anyone who acts as a judge in the exhibition of this light will undoubtedly give the neon light the title. Neon is beautiful, its name is beautiful, why call it a neon light? There is an interesting story.

In the city, in the night, incandescent lamps, fluorescent lamps and candles of a myriad families, and resplendent with variegated coloration neon, wear black, just like a lamp in the same exhibition. Neon lights are the most attractive. Not only does it spit out the magnificent glory, but also to the "wink", cute. Anyone who acts as a judge in the exhibition of this light will undoubtedly give the neon light the title. Neon is beautiful, its name is beautiful, why call it a neon light? There is an interesting story.

In 1895, the British chemist Leimusai and traverse two people from liquid air found a strange rare gas fork. The gas is sealed in a semi vacuum glass tube, the glass tube at both ends of the current, there is no any color glass tube, but will be emitted bright red light. The world's first neon lamp was born. The two chemists were very happy. In the face of this strange gas, an interesting "red light", the chemist decided to use the Greek word "new" as the name of the gas. This "red light" is called "new light"".

Now that the chemist has changed the "red light" to "new light", why is it called a neon lamp? The original Greek transliteration of the word "new" is "neon". "Neon" two word translation is very beautiful, but also has the meaning of color, so the "new light" is called the neon lights.

Why do LED neon lights have different bright colors?

You may doubt that a gas filled with red light in a lamp tube is called "new". Yes, it is called "neon" in our country". "Neon" and "neon" homophonic. "Neon" is to take the word "new" the first pronunciation of the festival. "Neon" has a "gas" prefix, indicating that it is a gas. Neon is made of neon. Red is a bit too monotonous, and later people have invented the blue, green, white, yellow, wood color...... And other colorful phosphor, there are a variety of colors of neon lights.

The more colors of neon lights, the more beautiful the night view of the city. If the neon lamp manufacturing other colors, you can call the green, yellow, blue, white powder to help burn. For example, the blue phosphor coated on the inner wall of the glass tube, the glass tube is text or flower patterns made to school after bending, mounted on the electrode, and the air inside the glass tube pumping clean, then put it into the neon, neon pink. If you put a blue phosphor in the lamp, put in and mercury, it became a bright blue neon lights. If the lamp is coated with phosphor green in neon is orange red; if the neon and mercury changed, it has become the green neon. Therefore, other colors of neon lights can be made arbitrarily.

The neon lights not only point drop the shop window, signs and billboards, beautify the city, it is also an important symbol of the lights! Because the red light can penetrate fog, fog and Mitian in rainy days, to see clearly in front of the target, if the red neon in dangerous places installed, you can make more attractive targets.