Color temperature in LED lighting design is a very important parameter, so you must first understand the color temperature knowledge when choosing LED energy-saving lamps.
Common color temperature examples:
1700 K: Matchlight
1850 K: Candle
2800 K: Tungsten lamp (incandescent lamp)
3350 K: Studio "CP" light
3400 K: studio table lamp, photo floodlight (not flash), etc...
4100 K: Moonlight
5000 K: daylight
5500 K: Average daylight, electronic flash (varies by manufacturer)
5770 K: Effective solar temperature
6420 K: Xenon arc lamp
6500 K: daylight
9300 K: TV screen (analog)
Definition of color temperature
Color temperature refers to the color change experienced by human eyes under different energies of light waves. In the calculation of the color temperature, Kelvin is used as the starting point for the calculation of black body radiation of 0°Kelvin=Celsius-273°C. Heating the black body, as the energy increases, it will enter the field of visible light. For example, at 2800°K, the color light emitted is the same as that of the LED bulb. We say that the color temperature of the LED bulb is 2800°K. The color temperature change in the visible light field. From low color temperature to high color temperature is determined by orange red –> white –> blue.
Color temperature characteristics
1. At high latitudes, the color temperature is higher and the color seen is blue.
2. At low latitudes, the color temperature is low and the color seen is reddish.
3. During the day, the color temperature also changes. When the sun is oblique, the energy is absorbed by the clouds (air, air), so the color temperature is low. When the sun is shining directly, the energy is absorbed less, so the color temperature is higher.
4. The sRGB color model of Windows is based on 6500°K as the standard color temperature, which is represented by D65.
5. The color temperature in the morning is about 4400°K.
6. The alpine color temperature is about 6000 °K.
Color temperature is a physical phenomenon in which colored light is present when the metal is heated to a certain temperature. This light changes with increasing temperature, and the temperature of this source is called the color temperature of the source.
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