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knowing these points to buy LED lights

  • Author:Innotech
  • Source:Innotech
  • Release on:2018-08-03

1, be careful of low-cost traps, the price of LED light source is very different, the same color LED with the same brightness, the price can be several times different. This difference is mainly reflected in the reliability of LED and the performance of light decay and appearance process. LEDs with low price have smaller chip size, rougher electrodes, poorer materials (phosphor and glue), poor current resistance, poor temperature and humidity, fast light decay and short life, so the pursuit of low prices may not be worth the candle.

2. Recognize relevant standards. From a safety perspective, products should comply with relevant international and national standards. Since LED is a new product, China's national standard lags behind and only provides product qualification testing. Therefore, international safety certification (such as GS, CE, UL, etc.) is the standard for measuring the quality of LED lamps. At the same time, there are not many manufacturers with international safety certification and national product quality certification. When purchasing, it is necessary to carefully identify the authenticity of the certificate. Products with international safety certification are generally more expensive.

3. The LED lamp of constant current power supply is selected. The price of components such as resistors, capacitors and ICs of LED drive power varies greatly. The rationality of the design of the whole power supply and the design of the circuit itself will directly affect the quality of the product. Some drive power supplies are only constant voltage, and do not achieve constant current, and LED lights must have constant current to better ensure quality and service life. Therefore, this requires extra attention when purchasing, especially for high-power LED lights. The package explanation is simple. The LED(Plastic with Aluminum LED bulb supplier) package is a process of packaging the LED package material into a led lamp. The package process must be subjected to crystal expansion-solid-crystal-bonding-filling-drying-cutting-splitting-separation and other process packaging materials. Led's main packaging materials are: chip, gold wire, bracket, glue and other packaging equipment expansion equipment, solid crystal machine, wire bonding machine, dispensing machine, baking box, etc., generally divided into automatic packaging equipment, manual packaging equipment, two Kind.