In order to illustrate the characteristics of white LEDs, first look at the condition of the lighting source used. Incandescent lamps and tungsten halogen lamps have a luminous efficacy of 12 to 24 lumens/watt; fluorescent lamps and HID lamps have a luminous efficacy of 50 to 120 lumens/watt. For white LEDs: In 1998, the luminous efficacy of white LEDs was only 5 lumens/watt, and in 1999, it had reached 15 lumens/watt, which was similar to that of general household incandescent lamps. In 2000, the luminous efficiency of white LEDs was It has reached 25 lumens/watt, which is similar to that of tungsten halogen lamps. Some companies predict that by 2005, the luminous efficiency of LEDs will reach 50 lumens/watt, and by 2015, the luminous efficiency of LEDs is expected to reach 150-200 lumens/watt. At that time, the operating current of white LEDs could reach the ampere level. It can be seen that the development of white light LED as a household lighting source will become a possible reality.

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Although incandescent lamps and tungsten halogen lamps for general lighting are cheap, they have low luminous efficiency (white power consumption due to the thermal effect of the lamp), short lifespan and large maintenance workload. However, if white LEDs are used for lighting, not only high luminous efficiency, but also life Long (more than 10,000 hours of continuous working time), almost no maintenance.

LED light source has the advantages of using low-voltage power supply, low energy consumption, strong applicability, high stability, short response time, no pollution to the environment, multi-color light emission, etc. Although the price is more expensive than the existing lighting equipment, it is still considered to be the It is inevitable to replace existing lighting devices.

LED Features

advantage:The inherent characteristics of LED determine that it is the most ideal light source to replace the traditional light source, and it has a wide range of uses.

Small size: LED is basically a small chip encapsulated in epoxy resin, so it is very small and very light.

Low power consumption: LED power consumption is very low, generally speaking, the working voltage of LED is 2-3.6V. The working current is 0.02-0.03A. That is to say: it consumes no more than 0.1W.

Long service life: LEDs can last up to 100,000 hours at the right current and voltage

High brightness, low heat

Environmental protection: LEDs are made of non-toxic materials, unlike fluorescent lamps that contain mercury, which can cause pollution, and LEDs can also be recycled and reused.

Rugged and durable: LEDs are completely encapsulated in epoxy resin, which is stronger than light bulbs and fluorescent tubes. There are also no loose parts in the lamp body, these features make the LED not easy to damage.