Which of the three lamps, incandescent lamp, fluorescent lamp and LED lamp, is more eye-friendly? It hurts the eyes to choose badly
Through ordinary feelings, everyone should find that under the influence of lighting, the feeling of the eyes will be different. In the past, everyone may only want to be brighter, but bright is not the same as the best, on the contrary, it hurts the eyes. So everyone will now choose some lamps with softer lighting. Today, let's compare the common incandescent lamps, fluorescent lamps, LEDs, etc. in life, and see which one is more eye-injuring and which is the most eye-protecting.
The brightness of LED lights is very high, and there is usually no problem in using them, but if you are reading books, it is not recommended to use LED lights, mainly for two reasons.
1. Blu-ray
If the LED lamp wants to emit white light, it needs to excite the phosphor through blue light irradiation. During this process, some blue light will leak out, and if it is received by our eyes, it will cause certain damage to the eyes.
2. Strobe
The most intuitive is the comparison below. If you focus on the stroboscopic picture, your eyes will soon experience discomfort, which proves that the stroboscopic LED does not cause much damage to the eyes. Now some LED lights without flickering are beginning to appear on the market, of course, the price will be relatively expensive.
Since the incandescent lamp emits light through heat, the filament has a certain inertia after reflection, so the stroboscopic problem is very light, and it will not be detected when the power grid is stable. It can be said that it is an ideal reading lamp.
However, incandescent lamps have low photoelectric conversion efficiency, consume electricity, and have a short lifespan, so incandescent lamps have been gradually phased out, but in terms of reading effects, they are still good reading tools, but it is recommended to buy thick filaments and have halogen tungsten cycle. The halogen lamp can further reduce the stroboscopic. It is worth noting that the point light source is likely to cause a large difference in the brightness of the foreground and the background, so the incandescent lamp should not be used alone, and the ambient brightness should not be too low.
If you only consider eye protection, high-frequency fluorescent lamps are currently the best choice. Fluorescent lamps do not have the trouble of blue light at work, but like LED lamps, they have the trouble of stroboscopic. Fluorescent lamps solve the stroboscopic problem by increasing the frequency - making the lamp flicker faster, it will not cause damage to the eyes.
Therefore, for daily lighting fixtures with low light requirements, it is recommended to use LED lights. For desk lamps used on desks, it is recommended to spend more money on high-frequency fluorescent lamps.
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