What are the characteristics of LED lighting?
I believe everyone is familiar with LED lighting. Today's streets, alleys, homes, etc. are all LED lights, but how much do you know about LED lighting? What are its unknown features and advantages?
1. What is LED lighting?
LED lighting is light-emitting diode lighting, which is a semiconductor solid-state light-emitting device. It uses a solid semiconductor chip as a luminescent material, in the semiconductor through the recombination of carriers, the excess energy is released to cause photon emission, which directly emits red, yellow, blue, and green light. On this basis, using the principle of three primary colors, Adding phosphor powder can emit light of any color such as red, yellow, blue, green, cyan, orange, purple, and white. LED lamps are lighting fixtures that use LEDs as light sources.
2. What are the characteristics of LED lighting?
1. Limit parameters
(1) Allowable power consumption Pm: the maximum value of the product of the forward DC voltage and the current flowing through it that is allowed to be applied to both ends of the LED. If this value is exceeded, the LED will heat up and be damaged.
(2) Maximum forward DC current IFm: the maximum allowable forward DC current. Exceeding this value can damage the diode.
(3) Maximum reverse voltage VRm: the maximum allowed reverse voltage. Exceeding this value, the light-emitting diode may be damaged by breakdown.
(4) Working environment topm: The ambient temperature range in which the light-emitting diode can work normally. Below or above this temperature range, the light-emitting diode will not work properly, and the efficiency will be greatly reduced.
2. The reliability of LED lighting
An important reason for the low life of LED driving power is the lack of life of aluminum electrolytic capacitors required for driving power. It is exhausted and the lifespan is greatly shortened, usually only about 5,000 hours of operation. The life of the LED light source is 50,000 hours, so the operating life of the aluminum electrolytic capacitor has become the short rib of the life of the LED drive power supply.
3. Green energy saving and environmental protection
It does not contain mercury, lead and other heavy metals that pollute the environment, and does not produce ultraviolet rays when emitting light, so LED lighting will not have many mosquitoes around the light source like traditional lamps, making the environment more clean and tidy; the metal shell is constantly The innovative flow-driven design enables the product to convert electrical energy into light with high efficiency.
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