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What Is LED RGB Lighting?

Generally, an RGB lighting device offers a means of controlling and changing lighting color in theaters, clubs, and concerts.
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  • Written By: H. Bliss
  • Edited By: W. Everett
  • Last Modified Date: 29 November 2014
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Light-emitting diode (LED) lighting is a lighting system that uses a semiconductor source of light known as LED to produce a light. RGB stands for red, green, and blue, and it refers to the colors of lights available from the LED lighting device. Generally, an RGB lighting device offers a means of controlling and changing lighting color in theaters, clubs, and concerts. Types of LED RGB lighting include linear lighting, direct-view lighting, and wall-wash LED RGB lighting.

Individually, LED bulbs are usually fairly tiny and grouped together in order to form a light source. Mixing colors of light works differently than mixing colors of paint, so in order to get all white light, a lighting designer needs to add colors from the full spectrum to achieve the desired effect. A dominant amount of blue light makes the light more blue, as adding red makes the light more red.

LED RGB lighting is useful for stage lighting for theater productions, as well as for dance clubs and outdoor lighting. For gardens, LED RGB lighting can be used to add a specific set of changeable colors to an outdoor landscaping area. One benefit to LED lighting is that it is often safer and more energy efficient than traditional incandescent and halogen lighting options. It also has more flexibility with respect to color because LED RGB lighting is easily adjusted in color and dimmed to meet specific lighting needs.

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Linear lighting is lighting in strips that can often be bent or flexed. These can fit unusually shaped or curved objects, around which it would be difficult to shape other types of lighting fixtures. Some types of flexible linear strip lighting can be used in fashion to light articles of clothing.

Wall-wash lighting is usually a box of lights that can be propped up to cover a wall in colored light. One problem with LED wall-wash lighting is that light colors can be grouped, which can cause uneven lighting when using lights of only one color. One way to get around this is to use several wall-wash fixtures to ensure fully even lighting across the lit surface.

Direct-view lighting is a lighting fixture at which a viewer looks directly. This type of fixture usually serves as a form of entertainment but can also add some light to a room. Generally, these types of lighting fixtures have light designs or patterns meant to act as decoration.

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kangaBurg
Post 3

@m3g4n – I’m glad you got everything working properly. I like to play around with RGB LED lighting and see what colors I can make. Like the article states, mixing light is different from mixing paint. Equal parts of red and blue still make purple, but red plus green makes yellow! Green plus blue still creates turquoise, of course.

You can lighten any hue that contains equal parts of two of the three colors by adding a little bit of the third color. For example, to make a light turquoise, use 5 green and 5 blue LEDs, with only two reds. The more of the third color you use, the lighter the result will be.

You can create over 16 million colors with RGB LED lighting. If you don’t have time to experiment with mixing, there are charts online that show you how to make tons of beautiful colors.

m3g4n
Post 2

Simple LED lighting is perfect for walkways. For anyone who wants to go a little bigger and install RGB LED lighting fixtures in their yard, I have a tip for you. If your lights will be projecting color onto a wall, for example, install the fixtures far enough away from that wall so the colors have time to mix properly.

I messed up and installed mine too close to my house, so I ended up with a bunch of red, green, and blue dots on the wall. Moving the fixtures back a few inches gave the light the distance it needed to combine properly and now I have beautiful, purple lighting effects!

ginSoul
Post 1

I just bought some solar LED lights for my walkway and driveway. I’ve been looking for some sustainable outdoor lighting for a while, and I’m glad I came across them. Apparently, LEDs are really efficient, so several of them can be connected and run on solar energy. You can’t do that with traditional light bulbs because they waste lots of energy (that’s why they get so hot when they’re on). The LEDs don’t get very hot, so I don’t have to worry about my grass catching on fire!

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