The light plate is an indispensable item in our lives. It not only makes our indoor space brighter, but also has a strong decorative effect. With the development of science and technology, the types of light bulbs on the market have also become diversified. Among them, fluorescent lamps and led lamps are more commonly used in our lives. So what is the difference between fluorescent lamps and led lamps , what are the tips for buying led lamps, the following article will come to you to understand.
The difference between fluorescent and led lights: the principle of light
The lighting principle of fluorescent lamps and led lamps is different. The bright glow of fluorescent lamps is generated by the high voltage instantaneously through the ballast, which causes the two pins inside the fluorescent tube to generate current, and then emits light through the internal fluorescent powder. The process generates very high heat. The principle of LED light emission is to generate light by electron migration inside the semiconductor, and the whole light-emitting process will not generate any heat.
The difference between fluorescent and led lights: brightness
There is also a certain difference in the brightness of fluorescent lamps and led lamps. Led lighting has higher efficiency and higher brightness. At present, the excellent quality of LED lights on the market can reach more than 130lm / w, which is about 2 to 3 times that of fluorescent lamps. That is, the brightness of 18W led lamps is relative to the brightness of 36W to 48W fluorescent lamps.
The difference between fluorescent and led lamps: service life
The service life of led lamps is much longer than fluorescent lamps. The life span of led lamps is usually up to more than 50,000 hours, while the life span of fluorescent lamps is usually only about 10,000 to 20,000 hours.
LED light purchase skills
1. Luminous efficiency
The higher the luminous efficiency of the led lamp, which means that Le saves electricity. We better choose the led lamp with a luminous efficiency higher than 80 LM / W. Such a bulb is usually more energy-efficient.
2. Color rendering index
The color rendering index mainly refers to the color displayed by the object after being irradiated by the light. The current color rendering index of the LED lamp is usually above 75. When we buy, it is best to choose the LED lamp above 80, which can reflect the authenticity of the color .
3. Color temperature selection
Depending on the environment, the color temperature of the selected LED lamp also has a certain difference. Generally, the color temperature of the LED lamp is 2800 to 6600k. If the color temperature of the LED lamp is smaller, the light emitted will be more yellow, and the color temperature will be higher, the light emitted will be blue White light. Yellow light is more suitable for the bedroom, living room and other areas, giving people a warm feeling. The blue and white customs are relatively bright and suitable for study areas, kitchens and other areas.
Summary of the article: The above is the introduction about the difference between fluorescent lamps and led lamps and the purchase techniques of led lamps. I hope to bring you some help. You can choose the right lamps according to your actual situation and make our interior bright and beautiful.
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