色温概念和有关色温的资料整理（Color temperature concept and data processing of color temperature）.docVIP

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色温概念和有关色温的资料整理（Color temperature concept and data processing of color temperature）.doc

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色温概念和有关色温的资料整理（Color temperature concept and data processing of color temperature） LED color temperature characteristics? Answer: color temperature refers to the changes in color of human eyes when light waves are at different energies. The calculation of color temperature is based on Kelvin, the blackbody radiation of 0Kelvin= degrees Celsius -273 degrees C as the starting point of the calculation. Heating the black body with the increase of energy will enter the visible field. For example, at 2800 K, the color of the light is the same as that of the light bulb. We say that the color temperature of the bulb is 2800K. The temperature change of visible light field, high color temperature is made by low color temperature orange white blue -- -- . Color temperature characteristics: 1., in high latitudes, the color temperature is higher, the color is blue. 2. in low latitudes, the color temperature is low and the colors seen are red. (C no problem with low color temperature and high color temperature ball) 3. in the course of the day, the temperature also changes, when the sun angle, energy (clouds and air) to absorb more, so the color temperature low. When the sun shines direct, the energy is absorbed less, so the color temperature is higher. The sRGB color model of 4.Windows is based on 6500 K as standard color temperature, expressed in D65. 5. the morning color temperature is about 4400 K. 6. mountain color, temperature about 6000 K. Relative color temperature, light source color temperature in different light sources Northern clear sky 8000-8500k Cloudy 6500-7500k Summer noon sunshine 5500k Metal halide lamp 4000-4600k Afternoon sun 4000K Cool color camp light 4000-5000k High pressure mercury lamp 3450-3750k Warm color camp light 2500-3000k Halogen lamp 3000K Tungsten filament lamp 2700k High pressure sodium lamp 1950-2250k Candle light 2000K Light source color temperature is different, light color is different, color temperature below 3300K, there is a sedate atmo