When the LED Par lights first appeared on the market, they received a lot of attention. People are exclaiming that the new generation of lighting technology is such a magic, the microcomputer-controlled chip is embedded in the lamp body, and with only a little power, it can release such a large brightness. 
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However, for the lighting designers, they immediately discovered the drawbacks of the LED Par lights, their light looks strange, especially compared with the traditional lamps, the shortcomings are all exposed. The problem is that the vast majority of LED fixtures on the market use RGB (red, green, blue) to mix colors. The lower end is the average distribution of the three colors, which fills the entire lamp head. A little better is the three-color illuminator made into a single lamp bead.
In my opinion, there is no essential difference. After all, the deepest color they can express is just red, green and blue. Then the problem comes, such as the colors of golden, dark green, and sauce purple, RGB is impossible to do, and the color they can express is very limited. We can clearly see through the color wheel below that after connecting R, G, B three points, they form an equilateral triangle, they can only mix the colors in the triangle, because white is also in it, so The brightness of each color is very high.
Some readers say that I have lowered the brightness of red, is it not dark red?
The three attributes of color, hue, saturation, and brightness, we are talking about hue, and changing the brightness does not affect the hue. Some fixtures add an A (amber), but it doesn't help, because amber itself is already within the triangle's range, while DA (dark amber) is far from the triangle's side.
The three attributes of color, hue, saturation, and brightness, we are talking about hue, and changing the brightness does not affect the hue. Some fixtures add an A (amber), but it doesn't help, because amber itself is already within the triangle's range, while DA (dark amber) is far from the triangle's side.
Aluminium and A (W) lamp beads have been added at the same time. Its purpose is to improve the effect of white light. This has no effect on changing the texture of the color. It does not solve the problem of too light color at all.
The problem was solved by replacing the luminaire with a 7-color color mixing system. The seven colors are: red, orange, yellow, green, blue, blue, and top. (In fact, it is the color of the rainbow), or use the color wheel just to indicate that after connecting these 7 points, many colors are framed, even the dark purple, blue, magenta and so on are difficult to achieve. Covered.
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Not only that, the two figures overlap, the color of the 7-color color mixing system can completely represent the RGB color mixing system.
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Therefore, there are many more articles on RGB, at most, it is a 5s, and the lighting of the 7-color color mixing system is 6th.
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