What is color temperature?

Color temperature

It is to heat a standard black body (such as iron), and when the temperature rises to a certain degree, the color begins to change gradually from red to light red to orange yellow to white to blue white to blue. Using this characteristic of light color change, the light color of a light source is the same as the light color of the black body at a certain temperature. The absolute temperature of the black body is called the color temperature of the light source.

The color temperature of the light source of LED lamps is different. The feeling is very different. Generally speaking. Red light is called “warm” because it makes people feel “warm”; Blue light, on the other hand, makes people feel “cool,” so it is called “cool color light.” Almost all lamps and lanterns need to be designed to take into account people’s feelings of color temperature. As shown in Fig.2-7, when the color temperature of the light source is greater than 6500K, the color of the light source is roughly bluish white, resulting in a feeling of cold and clear. The commonly used lamps are LED fluorescent lamp, fluorescent lamp and mercury lamp. When the color temperature is 3300-6500K, the color of the light source is close to natural light, and no obvious psychological effect will be produced. Fluorescent lamps and metal halide lamps are commonly used. When the color temperature is less than 3300K. The light source color is roughly white with orange. It gives people a warm feeling. Commonly used lamps are incandescent lamp, halogen lamp (see Table 2-1), LED bulb lamp, LED street lamp, ordinary street lamp (high pressure sodium lamp, low pressure sodium lamp).

Color temperature, what does color temperature mean, professional lighting engineers tell you – color temperature and light color, mental feeling and use of the environment diagram

Different color temperatures are very important for creating an environment, such as dinner parties, dance halls, restaurants and other occasions, warm color light sources are often used to make people feel warm and comfortable; For small rooms, workrooms and other places, cool light sources can be used to make the lighting place look wider and avoid the feeling of depression. For food, pork and fruit, special led tape lighting are needed to cooperate with red light and white light to make food look fresher and delicious. Different refers to light and color, will choose to human eyes into great illusion and interference, sometimes will be removed from the original object with light environment, see color differ greatly, of course, under the natural light to see is more true colors, and part of the factory, it takes extremely expensive cost to build almost completely simulate natural light color, high color rendering of spray paint room, such as car factory Color standard color room, printing plant color correction lamp, and drug composition inspection, engine cylinder liner defect inspection and other occasions.

Light color refers to the color of light source, or a lighting environment formed by several light sources simultaneously. Light color determines the overall tone tendency of the light environment. To the performance of the theme of help is larger, such as red performance warm, yellow comprehensive noble. White signifies purity and so on. The light color used in different occasions is not the same. The light color used in ordinary families also needs to be matched with the color of walls, ceiling, floor and furniture to achieve a perfect and harmonious effect.

In lighting fixtures, we usually use light sources with three color temperature segments: 2700 k to 3300 k, old-fashioned incandescent bulbs, old-fashioned street light, the light of the fire, when cooking salt is in the time of a color temperature, this is not the most people like the color temperature of light on the earth, but there is a lot of color temperature, in the past is the only choice, earlier incandescent lamp, the early high temperature resistant high photosynthetic efficiency of high pressure sodium lamp, low voltage sodium lamp, All emit light from this color temperature range, which is still abundant; 3800K-4200K, most white people like this color temperature segment as the lighting source;

Led lamps mainly include: LED lamp, LED fluorescent lamp, LED mining lamp, LED street lamp, LED bulb lamp, LED tunnel lamp, LED lamp belt, LED desk lamp, LED down lamp, LED flexible lamp belt, etc., usually LED lamps with absolute temperature K to represent the color temperature. Heat a standard black body (such as iron), and when the temperature rises to a certain degree, the color begins to change gradually from red to light red to orange yellow to white to blue white to blue. Using this characteristic of light color change, the light color of a light source is the same as that of the black body at a certain temperature. The absolute temperature of the black body is called the color temperature of the light source.

The color temperature of the light source of LED lamps is different. The feeling is very different. Generally speaking. Red light is called “warm” because it makes people feel “warm”; Blue light, on the other hand, makes people feel “cool,” so it is called “cool color light.” Almost all lamps and lanterns need to be designed to take into account people’s feelings of color temperature. As shown in Fig.2-7, when the color temperature of the light source is greater than 6500K, the color of the light source is roughly bluish white, resulting in a feeling of cold and clear. The commonly used lamps are LED fluorescent lamp, fluorescent lamp and mercury lamp. When the color temperature is 3300-6500K, the color of the light source is close to natural light, and no obvious psychological effect will be produced. Fluorescent lamps and metal halide lamps are commonly used. When the color temperature is less than 3300K. The light source color is roughly white with orange. It gives people a warm feeling. Commonly used lamps are incandescent lamp, halogen lamp (see Table 2-1), LED bulb lamp, LED street lamp, ordinary street lamp (high pressure sodium lamp, low pressure sodium lamp).

Different color temperatures are very important for creating an environment, such as dinner parties, dance halls, restaurants and other occasions, warm color light sources are often used to make people feel warm and comfortable; For small rooms, workrooms and other places, cool light sources can be used to make the lighting place look wider and avoid the feeling of depression. For food, pork and fruit, special LED lights are needed to cooperate with red light and white light to make food look fresher and delicious. Different refers to light and color, will choose to human eyes into great illusion and interference, sometimes will be removed from the original object with light environment, see color differ greatly, of course, under the natural light to see is more true colors, and part of the factory, it takes extremely expensive cost to build almost completely simulate natural light color, high color rendering of spray paint room, such as car factory Color standard color room, printing plant color correction lamp, and drug composition inspection, engine cylinder liner defect inspection and other occasions.

Light color refers to the color of light source, or a lighting environment formed by several light sources simultaneously. Light color determines the overall tone tendency of the light environment. To the performance of the theme of help is larger, such as red performance warm, yellow comprehensive noble. White signifies purity and so on. The light color used in different occasions is not the same. The light color used in ordinary families also needs to be matched with the color of walls, ceiling, floor and furniture to achieve a perfect and harmonious effect.

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