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Can You Change the Color of LED Lights?
In a strict sense the color of an individual LED cannot be changed. Although you will find multi-color LED lights today, what you are seeing is not the individual LED changing it’s color. Light is emitted from the inside of the bulb by multiple diodes of different colors. This is often called a color-changing LED. It’s actually made up of three separate LEDs in one casing.
What is an LED?
LED stands for light-emitting diode. In an LED light, you will find a semiconductor that emits photons when current passes through it. Photons are a form of energy that we see as light.
What gives the LED its color?
When an LED light is lit, we can see a specific color. And this color depends on the level of energy emitted by the semiconductor used. An individual LED can display light in only one color.
Different materials for semiconductors are used in order for the energy level to be controlled. Colored diodes are then created by each of these different semiconductor materials. For a red diode, the semiconductor used is made from aluminum gallium arsenide. Gallium phosphide is the semiconductor material used in green diodes, while the blue diode is the result of using indium gallium nitride.
How does LED light change color?
As we have mentioned earlier, a color-changing LED consists of three separate LEDs in one casing. There is a specific color emitted by each of these diodes – red, green, or blue. And these colors are used because every other color is simply a combination of any of them.
If current is passed through one LED at a specific time, it will appear as a single colored light, either red, green, or blue. Each diode can only produce a single color so when it is powered, it gives off that color.
Other colors can be produced from an LED light by combining the three primary colors and controlling their intensities.
If current is passed through two LEDs at one time, the combined colors can produce another color. So, if the current is applied to the red and blue diodes, it will create a light that is magenta in color. Yellow light is produced if a combination of the red and green diodes is powered. And if the current is passed through the blue and green diodes, it creates a cyan-colored light.
If different levels of current are passed through different diodes, it will create different shades from the main colors. So, if current at 100% brightness is passed through a red diode, the light will be red, but if the brightness is lowered to 50%, then the light produced will be colored pink. Or, if the red is given 100% brightness but the green is given only 50%, then the resulting color will be between red and yellow which is an orange light.
In all, alternating current flow to each of the diodes can result in millions of colors and shades. It is amazing that mixing just three primary colors can achieve this.
If all three diodes are given full current at the same time, then the light it creates is color white.
The switching on or off of each diode is controlled by a microcontroller so that the colors can change. Whatever diode the microcontroller turns on, then that will be the color of the light coming from the lamp.
To quantify the intensity of each diode, a color code is used. There is a numerical value given to each diode. These numbers are between 0 and 255 where 255 is 100% brightness. So, using our example above, where we had the combination of 100% red and 50% green to form the color orange, the color code would be 255, 128, 0. In percentage form this will be 100% (red), 50% (green), and 0% (blue).
It may not be possible for you to be able to customize the colors of your LED unless you can access the microcontroller. However, in recent years, the smart LED became popular. With this technology, you can now control the color of your LED lights. You just need a smartphone app or through remote control.
You can also control the full-color tuning of your LED bulbs by connecting to a local area network. This gives your computer or device the necessary software to be able to change your LED colors. You will then have total control of the color that you want for your lamps and lighting fixtures.
So, with this technological advancement, the colors of your LED light can be changed. There are many uses for colored lights. It is not only used in the theaters for its decorative effects. It can also be used to indicate something when it is not sufficient to only display the on and off option, but there is limited space. There are even studies that show the there are colors of light that can be beneficial or detrimental to sleep.
How can the color temperature of an LED light be changed?
When we speak of color, we are referring to the color of light that is emitted by the diode. This can be any color. However, color temperature refers to the shade emitted by white light. White lights can emit warm or cool visual effects which are measured in degrees Kelvin.
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Changing the color temperature of an LED light is not easy to do. The reason for this is that when LEDs are manufactured, their color temperature is fixed. It has a specific Kelvin color which cannot be changed.
But due to innovation, LED fixtures can now have changing color temperatures. These fixtures now come with two sets of LED chips. You can then alternate between cool and warm color temperatures.
This is great since most customers find it difficult to decide which color temperature lamp to buy. So, if you can easily switch from 3000K to 5000K with a simple switch, then the problem is solved. Now, this has been made possible by technological advancements in LED.
What is white color tuning?
White color tuning allows you to change the color temperature of a given fixture manually. This is also called LED color preference.
In general, you will find a dip switch in the fixture. This switch will allow you to change the color temperature from 2700K or 3000K to up to 5000K. In this technology, you will be able to control the color temperature and light output independently.
Now the problem of what color temperature lamp to buy is solved. If you are not sure what color temperature to get, you don’t have to worry. You can simply change it as you want after buying it.
This is also beneficial to those who manufacture these lamps. Now, they only have to manufacture one unit instead of more. With this flexibility, the possibility of having the fixture returned is decreased.
Are there other ways to change the LED light color?
Although remote-controlled LED lights are great for your home, it is quite expensive compared to buying a single-colored lamp. But you can easily change the color of an LED light with some DIY methods.
What is LED light housing?
The housing or casing of LED lights is made of epoxy resin. This material is translucent and the reason why the light comes out of it. LED translucency can be diffused or water cleared.
Diffused LEDs are cloudy in looks and it allows the light to spread out evenly in your home. On the other hand, water clear LEDs are very transparent and made of plastic. This gives a brighter light than the diffused LED. The transparent material used does not absorb or disperse light.
How do you change the LED light color in a fun way?
If your home only uses a white LED, a fun way of changing its color is by using any thin paper or tissue. You need to cut the paper in a size that can easily wrap your LED bulb from the outside.
Before wrapping the bulb, use color markers to color the paper. Then tape them securely to the bulb. If you turn on the bulb, you will now get a different color of light. If you want another color, then you simply change the paper with another color.
Another method of changing the color of your LED bulb is by coloring the bulb directly. What you need to do first is to sand your bulb until it becomes cloudy. Then get rid of the sanding dust by wiping the bulb lightly.
Use a marker to shade the whole bulb. You should not allow spots where white light can escape when the light is turned on. Dry the colors. You can put another color coating is you want your LED to glow nicely. You will have a more permanent color than the first method. You are coloring the bulb itself.
Because of technological innovation, virtually every color in the visible light spectrum can now light your home. Although you may not fully understand how these colored lights work, one thing you know is that now, you can have more realistic, vibrant colors in your artificial lights.
It is not really important to understand how these colored lights work. But it is enough to know that they can provide us with energy-efficient, eco-friendly light that is far superior to any other in the market today.
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Metamerism and its types. How does light change color?
When the foundation of the house is created (screw piles may be needed for its construction), you can start decorating the interior. When choosing wallpaper, furniture, curtains or any other thing for the interior of our apartment, we first of all pay attention to the color of the object. Coloring is one of the main criteria that influences the decision to buy this or that thing for the home.
Types of metamerism
What a disappointment it can be when, seeing a purchase at home, we find that in our apartment the color has suddenly become completely different and it no longer looks as charming as in the store. A is to blame for this fairly common problem, metamerism , a term denoting color change depending on the observation conditions (lighting, etc.).
There are 4 main types of metamerism:
- Radiation metamerism – color change depending on the light source.
- Observer metamerism is a natural phenomenon and a long-known fact that all people perceive color individually, so for different people the same color will look different.
- Metamerism of the size of the measured field – a change in the perception of color depending on its area, many colors become more “aggressive” with a larger occupied area.
- Metamerism of geometry or viewing angle – color change depending on the viewing angle of the observer. This effect is especially noticeable on metallized or coated with special paints surfaces.
How does light change color?
The color in your home always depends on the lighting. If you are observant, then you have probably already noticed this yourself. In daylight, the color of the walls is one, and in the evening, when the light sources are turned on, the color of the walls changes and becomes different. And of course this applies to all surfaces in the room.
That is why it is recommended to check all finishing materials under different light sources and always at home, so that there are no unexpected surprises. After all, it often happens that you like wallpaper in a store, but you bring it home – and the color is not the same.
There are certain regularities in color change under the influence of light. They can be summarized something like this: in warm light, warm colors become softer and more tender, and cold colors fade and gray. In cold light, on the contrary, cold colors become brighter and more radiant, and warm colors become grayish.
This must be taken into account when buying lamps for your fixtures. Incandescent lamps, which today are already a thing of the past, have a warm light. Energy-saving lamps can have both warm and cold light. Their packaging always indicates what kind of light the lamp gives. Pay attention to this and buy exactly those lamps that will advantageously emphasize the colors in your room.
The least discoloration of finishing materials is obtained by simple halogen lamps, which emit a white light that is closest to natural midday lighting.
With natural light, the climate and window placement must be taken into account. In the southern latitudes, the light is brighter, and in the northern latitudes it is more diffused. In bright southern light, the colors appear paler, so to compensate for this effect, it is recommended to choose a color 1-2 shades darker. To soften too sunny rooms choose cold dark pastel (desaturated) colors.
To prevent northern rooms from looking too gloomy and cold, warm colors are used. If there is not enough light in the room, then light and intense tones can compensate for this deficiency. In general, when exposed to indirect northern light, colors appear darker and less intense.
The table shows examples of how colors change when exposed to warm and cold light. Since the colors of your monitor may distort the actual colors, please refer to them as an example. And remember, in order not to make a mistake in choosing, test finishing materials at home with home lighting.
In addition, the perception of color is influenced by the colors surrounding it, for example, the illusion of contrast and Hering’s gratings give an idea of this phenomenon. Also, colors in color combinations can mutually reinforce or weaken each other. Going to the store to choose finishing materials and furniture for the home, these phenomena should be taken into account.
Tips for choosing colors in the interior
In order to get exactly the color in the interior that you wanted, you need to approach the choice in advance. First, determine what types of lighting will be present in your apartment, and how a particular object or finishing material will be illuminated. How much natural light will there be, which side of the world the windows face.
In southern light, most colors appear more intense, but become slightly paler. Whitened, desaturated colors in a southern room will be almost white. In the northern indirect light, the colors lose their intensity, but at the same time look darker. To compensate for this effect, more saturated color tones should be chosen for northern rooms.
What kind of artificial light sources will illuminate the object – incandescent lamps, fluorescent lamps or others. The greatest change in the color of finishing materials is observed when illuminated with incandescent lamps, high pressure sodium lamps and low pressure sodium lamps.
The least discoloration of the object occurs when illuminated with high pressure mercury lamps and high pressure metal halide lamps. Other types of lamps have an average ability to influence color change. In addition, it must be borne in mind that, other things being equal, saturated colors are subject to the greatest changes.
The ideal solution to this problem is to bring the chosen sample to the house and see how it will look before buying. But this, unfortunately, is not always possible. Firstly, during the repair, lighting sources are installed at the last stage, and therefore it is not possible to see in advance how the selected finishing material will look in the end. And secondly, stores very rarely provide such a service.
Therefore, you will have to solve the problem of metamerism on your own. To do this, stock up on different types of flashlights and feel free to shine all of them from different angles on the material you choose.
Be sure to hold the selected sample to the window and see how it looks in natural light, not forgetting the cardinal points. Rotate the sample and look at it from different angles, notice what happens to its color.
What else should be considered when choosing an interior color?
Make a purchase decision only if you like the color under different types of lighting. If the material you choose will occupy a large area in the room, then try to “turn on” the volumetric imagination and imagine how this color will look on a large area. Sometimes colors and colors look expressive in a small area, but lose their charm in a large area.
If the material is selected for a room where several people will spend their time, be sure to bring family members with you. Everyone should like the chosen color, otherwise quarrels, disputes and other undesirable consequences are possible in the future. Agree, few people like to often be in an unpleasant color environment.
The next thing to pay attention to when choosing colors for finishing materials, furniture and interior fabrics is color combinations. What other colors will be present in the room? How much area will each color occupy?
If you already have samples of other materials that will be in the room, take them with you and attach them to the selected material. See how the colors affect each other and make a purchase only if you are satisfied with everything.
If, however, you have bought a material, fabric or furniture that has changed its color in your home in a way that is unpleasant for you, and it is impossible to return the goods, try to soften the unfortunate color with an analog one by placing it nearby.
For example, a bright green sofa can be muted by throwing soft turquoise cushions on it. Or, for example, if the red and blue colors that looked spectacular in the store have merged into a single purple color in your apartment, then choose the color that you like best from the color and use it as a dominant in additional accessories.
Knowing all the pitfalls that await you on the way to choosing a color scheme for the interior of your apartment, you can easily avoid them. Well, if you still didn’t take into account something and got a not entirely satisfactory result, there is always the opportunity to fix everything by using other colors from the color palette. To do this, you just need to study the influence of colors on each other or turn to the help of professionals.
Egg lamp – color changing LED decorative light + remote control – height 23cm
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Egg lamp – decorative color changing LED light 15x15x23cm, 8 colors, 1200mAh lithium-ion battery, remote control, candle effect + IP44 protection.
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Egg lamp – decorative color changing LED light 15x15x23cm, 8 colors, 1200mAh lithium-ion battery, remote control, candle effect + IP44 protection. This unique egg-shaped LED decoration is a stylish colorful accessory for more than just interiors. It has dimensions of 15x15x23 cm and shines with a beautiful multi-colored light. Under the matt white plastic surface are 3 powerful RGBW LEDs that can be used to change colors: warm white, red, green, blue, yellow, orange, pink and purple . It has built-in 1200mAh lithium battery. You can also enable automatic blending of 8 colors, select blending speed, light intensity and candle effect.
The lamp is adapted for indoor and outdoor use with IP44 rating , which guarantees weather resistance and water tightness. There are only 9 at the bottom of the lamp0007 one button which turns on the ball and changes color. The remote control can be used to turn on/off the light, turn on the color mixing, change colors, adjust the light intensity, candle effect, change speed and turn on the white light . Lamp is made of UV-resistant white plastic.
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egg shaped LED lamp will create a beautiful place full of vibrant colors after dark.