The white woven lamp was the first electric light bulb invented by mankind. At that time, Edison discovered that electromagnetic energy can also be transformed into light energy. After frequent experiments, he finally created and invented the white woven lamp. The basic principle of his lighting is to use the light generated after the electric conductor is energized, and then the filament is burned to red, but this lighting method is not environmentally friendly and energy-saving, and unreasonable. He first converted electromagnetic energy into heat, and then converted into light energy. The whole process consumes a lot of electromagnetic energy. Therefore, the use of such light bulbs consumes more power and the life of the light bulb is shorter, but the price of this light bulb Relatively low, because its light is close to sunlight, so the color rendering index can be relatively high.
Although energy-saving lamps have a longer lifespan, they are also more environmentally friendly and energy-saving. The brightness of a 15-watt energy-saving lamp is similar to that of a 100-watt white woven lamp. His color rendering index is very poor. You will find that if you look at the things under the white woven lamp and the energy-saving lamp separately, the white woven lamp will be more comfortable, and there is mercury in it, which is not environmental protection.
The key to the LED lamp is to use semiconductor materials to shine. Its efficiency is very high, the service life is also very high, and there is no radiation and pollution. This is an ideal lamp, but the cost is too high.
