The value or reason could be listed below.
#Light intensity
Light intensity is a physical term that refers to the luminous flux of visible light received per unit area. Abbreviated as illuminance, unit: Lux or Lx. Used to indicate the intensity of lighting and the amount of illumination on the surface area of an object.
However, there is a misconception here that we often equate the power of lighting fixtures with the intensity of light. In fact, there is no necessary connection between the two, because the luminous efficiency of different types of lighting fixtures varies greatly. For example, LED lights around 8W and incandescent lights around 40W actually have similar brightness.
Recommended room lighting intensity: 100-200Lx for the foyer and storage room, 100-300Lx for the living room, 100-200Lx for the bedroom, 250-500Lx for the study, and 100-200Lx for the dining room, kitchen, and bathroom.
#Color temperature
The unit of color temperature is K (Kelvin, which is also the thermodynamic temperature unit we learned in physics class). Physics states that when a standard blackbody (idealized object) is heated and the temperature rises to a certain level, its color gradually changes from dark red to light red, orange to yellow, white to blue. When the color of a certain light source is the same as that of a blackbody, we refer to the absolute temperature of the blackbody at that time as the color temperature of the light source. Low color temperature light, with more red radiation, becomes what we often refer to as warm light; The increase in blue radiation from high color temperatures has become what we call cold light.
#Color rendering index
The color rendering index refers to the degree to which light restores the color of an object. The higher the color rendering index, the stronger the degree of restoration. However, if the color rendering index is too low, it will exacerbate visual fatigue. The color rendering index of sunlight is 100, usually outdoor lighting requires a color rendering index of 65 or above, and indoor lighting requires a color rendering index of 80 or above. Low color temperature light is usually suitable for use in quiet environments, and high color light is suitable for work. The lighting suitable for general households has an upper limit of 6500K color temperature.
There is a mutual influence between lighting intensity, color temperature, and color rendering index. Therefore, selecting lamps with appropriate color temperature and color rendering index under appropriate lighting intensity can achieve a good lighting experience.
The maximum color temperature in the living room should not exceed 5000K, the dining room should not exceed 3000K, the bedroom should be between 3000-4000K, and the color rendering index should be above 80; In the work area, the color temperature is between 4000-5000K and the color rendering index is above 90.
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Post time: 04-17-2024