About LED mixed color the human eye can detect the wavelength of 390 nm -
The
light of 700 nm.
The original LED lamps and lanterns with red (only
About 630 nm)
, green,
About 540 nm)
And blue,
About 470 nm)
The LED.
These 3 kinds of color can't produce a each color of the human eye can see.
The three vertices of the triangle respectively in high saturation of red, green and blue area.
By changing the power of each LED chip, color can be any color in the domain, but this is only a theory, in fact, mixed color effect is affected by many factors.
The exact wavelength such as red, green and blue varied from light, there may be a huge difference between them.
Color gamut can not only describe is tonal, can also describe the intensity and saturation.
If through the Google search 'color gamut' (quickly
Color gamut)
, you'll see the circle, circle, cube, cone, fruit shape, even all these graphics are trying to show an HSL three-dimensional relationship.
Add more color as LED technology innovation, change such as price decline, more and more manufacturers to enter the market.
This kind of new light source for
led lighting designers more and more strong, thus to control the brightness of lamps and lanterns and color consistency demand increases.
White, amber, blue and violet wait for new LED color.
At first, the combination of the most popular way is to RGBA, which adds the amber color chip.
This makes the shape of the domain is more like a rectangle, rather than a triangle.
Another variant is RGBW, it with a wide spectrum of white leds.
More new lamps and lanterns is based on RGB add white and amber (
RGBAW）
。
With the continuous progress of LED technology, chip manufacturers also successfully production out of the dark red, green and blue leds.
The color has been applied in 7 color system (
Deep red, red, amber, green, blue, blue and royal blue)
, thus expanding the color gamut, can provide more color for designers.
Control so much of the chip can be very arduous;
Each chip power a variety of combinations are available with color in color space.
How to control these due to the further development of LED technology, LED control is also becoming more and more complex.
Fortunately, some modern control system can in a very simple way to drive any type of color system.
In addition to the strength, the user will get different color parameters: RGB and CMY.
An HSL and HSV.
The author through a real example to investigate the possibilities.
Designers, for example, do a musical, is using mixed color to dye awning of lamps and lanterns.
Stage need to build a sunset scene, designers want to changes from amber to pink.
Using RGB color space, the cue for amber l (
R = lOO8, G = 602, B = O8)
Cue for 2 pink (
R = 1007, G = 02 B = 603)
。
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led pendant lights problems.
As a result, consumers will reward Mylight with leadership sales, profit, and value creation, allowing our customers in which we live and work to prosper.
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