The biggest selling point of LED lighting is energy saving, but often the market is limited by the cost of the product, materials, and heat dissipation technology, so that the demand for energy saving has a discount because of the light efficiency factor. Energy conservation is currently mainly reflected in the following two aspects:
First, the maximum conversion of electrical energy into light energy;
Second, the maximum control of light energy to the senses suitable for people.
Judging from the problems encountered in the current LED application field, the above two points are obviously not good enough. The first is the "hot" problem of LEDs. Since there are heat dissipation problems, it means that the heat production of LEDs is quite considerable. We can simply analyze which LED problems are related to the heat production of LEDs:
1. Since the heat output of the LED is high enough to affect the heat dissipation angle, the temperature can be seen in general. Regarding LED light source sealing, what kind of material can withstand tens of thousands of hours of hot baking? Of course, even with such high-quality materials, the high price can be prohibitive.
2. With regard to life issues, is very simple, heat from
LED chip can affect the life of the LED light source itself, resulting in bad light; also affects the life of the LED lamp
of the aluminum substrate board.
3. It is precisely because the heat generated by the LED lamp is large, so heat dissipation is required. Compared to lightweight plastics, metal has much better thermal conductivity, but it is much more bulky and certainly more expensive.
Second is the problem of light perception. Why do we still feel blurred under the high lumen LED lights? The specific reasons are as follows:
1. Our eyes have long adapted to natural light, and almost all current LED lighting products are monochromatic. Compared to our eyes, whether it is warm or white, monochromatic light can not restore the color of the object itself.
2. The monochromatic light produced by the LED lamp is relatively large, but it is not far away. Therefore, we have such a feeling in the LED light, it is particularly glaring when it is close to the lamp; it is not enough to be bright enough away from the lamp; in contrast, the effect of warm color is slightly better.
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