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What is the types of lighting sources and their advantages and disadvantages?

Published by ADAYOLIGHTING 2024-03-28
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Lighting as an indispensable object of modern lighting, different light sources can create a different atmosphere, there are more types of lighting sources on the market today, and the advantages and disadvantages of different types of lighting sources are not the same. In the end, what are the types of lighting sources and their advantages and disadvantages?

 

1. Incandescent lamps.

Advantages: Small light source, with a very large variety of lampshade form. Generic, color variety, with directional, scattering, diffuse and other forms. Can be used to enhance the three-dimensional sense of objects, incandescent light color is closest to the sun color.

Disadvantages: The biggest disadvantage of incandescent lamps is the short life, the use of time is generally between 3000 to 4000 hours. Not environmentally friendly, the use of incandescent lamps have 95% of the electricity is consumed in the heating, only 5% of the electricity is really converted into visible light. High heating temperature, rapid heat evaporation, high infrared component, susceptible to vibration, low color temperature, with yellow.

 

2. Halogen lamps.

Metal halogen lamp is actually a kind of incandescent lamp, life expectancy is generally between 3000 and 4000 hours. This lamp can be used for accent lighting, such as to highlight the decorative paintings on the wall, indoor ornaments, etc.. It can be illuminated with a cold light cup, and the white light of the lamp can be changed according to different home decoration styles to keep in line with fashion.

Advantages: Simple, low cost, easy to adjust and control the brightness, good color rendering.

Disadvantages: Short service life, low luminous efficiency, the filament is prone to fuse at high temperatures for a long time, the failure rate is high.

 

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3. Fluorescent lamps.

Advantages: Energy saving, about 60% of the electricity consumed by fluorescent lamps can be converted into ultraviolet light, the other energy is converted into heat, the general efficiency of the conversion of ultraviolet light into visible light is about 40%.

Disadvantages: Will produce light decay, fluorescent lamps color rendering is not as good as incandescent lamps, light flicker phenomenon, has a certain impact on vision. In addition, there is mercury pollution during the production process and after the use of waste, causing environmental pollution.

 

4、Energy-saving lamps.

Energy-saving lamps are popular because of energy saving, energy-saving lamps also have a long life, generally 8000 to 10000 hours, after a period of normal use of energy-saving lamps, the light will become dark, mainly because of the loss of phosphor, technically known as light decay.

Advantages: High luminous efficiency, is more than 5 times the ordinary incandescent lamp, energy-saving effect is obvious; long life, is about 8 times the ordinary light bulb; and small size, easy to use.

Disadvantages: Will produce light decay; low color rendering, incandescent and halogen lamp color rendering 100, perfect performance; energy-saving lamps color rendering mostly between 80 and 90, low color rendering light source not only to see things in unattractive colors, but also harmful to health and vision.

 

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5. LED lights.

This light is scientifically known as light-emitting diodes. LED lights are better than other light sources in terms of performance, but the current LED lights still need to be technically perfect.

Advantages: LED lights have a small size, low power consumption, long life, non-toxic environmental protection and many other advantages, initially for outdoor decoration, engineering lighting, is now commonly used.

Disadvantages: Need constant current drive, heat dissipation is not well handled easy light decay. Color will be missing, in the 7 bands of LED lights in the blue and green band is relatively small, so there will be missing when showing the color of things.

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