Definition of LED Lights
LED is an abbreviation for LED. It was first used in 1968. An LED is a semiconductor that emits light by electricity. At present, LED lighting has been widely used in various lightings, and has gradually replaced traditional white light bulbs. Although LED lights are much more environmentally friendly than traditional lamps, the recycling of LEDs is very important.
Why recycle? LED (light-emitting-diode) bulbs are the tiny light bulbs used in many electrical appliances such as TVs, computers, torches, indicator buttons and a range of general lighting products. They are energy efficient, long-lasting, durable and free of mercury, lead and phosphorous.
LED performance and application
There are several reasons why LEDs can replace traditional white light bulbs.
First, the lifespan of LEDs is usually longer than traditional white light bulbs. The average life of white light bulbs is 1200 hours, while the average life of LED bulbs is up to 50,000 hours.
Second, LED bulbs consume less power and are more illuminating. This makes LED a cost-effective and environmentally friendly technology. In addition, LED bulbs do not contain mercury in CFL bulbs (mercury is harmful to the environment). LED lights are also extremely durable and can withstand more wear and tear than conventional light bulbs. LEDs are also not affected by climate, and neither moisture nor low temperatures will affect the operation of LED lighting. LED bulbs emit only 10% of the carbon dioxide emitted by conventional bulbs.
The product range of LED applications is becoming more and more extensive, including:
TV screens, laboratory equipment, mobile phones, watches, computers, home lighting, retailer lighting, traffic signs and brake lights for cars. These are some of the applications of LEDs. LEDs continue to replace tungsten filament lamps, and more LED lamps will be used in daily life.
LEDs have always been environmentally friendly during the product life cycle, but if they can be recycled, they will be more environmentally friendly. More than 95% of the LEDs are recyclable, and waste recycling companies will buy old LED lighting products at low prices.
When the LED does not contain any harmful substances, it is classified as RoHS. RoHS was passed in the UK in January 2006 to limit the use of hazardous substances in electrical and electronic equipment. This restriction prevents the sale of products containing mercury, lead, cadmium, polybrominated biphenyls, polybrominated diphenyl ethers and hexavalent chromium. Due to this standard, LEDs can be handled and recycled in the same way as regular light bulbs.
The general process of recycling is to crush and separate the LED bulbs, using a single screen to form the assembly. In this step, the glass passes through a magnetic field that can move any non-ferrous metal species. To remove the aluminum and lead of the LED, a non-ferrous metal separator blasts in the shattered glass, directing the metal to a separate metal trough. The rest of the glass can be made into other products just like aluminum. Glass is not degraded by recycling, so it can be recycled and reused.
In the UK, LED lighting is managed by the WEEE standard to determine when LED products should be eliminated. WEEE is the abbreviation for waste electrical and electronic equipment, and the standard for recycling electrical and electronic equipment developed to encourage mass recycling. Recently, the EPA has changed the WEEE regulations, and all LED companies must comply with them, such as Recolight. Under the new regulations, people must check whether the lighting producers have the cost of recycling according to WEEE 9.2.
Recycling LEDs for environmental benefits
Although the LED itself is environmentally friendly, if it is properly recycled, the impact on the environment will be smaller. According to a recent study by the University of California, most LED lights contain a high proportion of nickel, and color LED lamps contain a large amount of lead. In addition, the arsenic content is also exceeded. These substances are not only harmful to the environment, but also affect human health. Although LEDs are more environmentally friendly than traditional lamps, they cannot be lost when the white light bulbs are used up. The impact of LEDs may be long-term. LEDs also contain a large amount of aluminum, which may be due to the energy and resources used in manufacturing. In view of the increasing demand for LED lamps in recent years, recycling LEDs is more important than extending the life of LEDs, making it possible to continue to use LEDs in the future.
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