How to choose LED Bulb

- May 08, 2018 -

1, LED output luminous flux (LM number) is different, the price is different.

LEDs used in LED lamps should conform to the standard of Ⅰ for laser grade. 2, anti-static capacity of strong anti-static led, long life, thus high prices.

Usually a single anti-static more than 700V of LED can be used for LED lighting. 3, wavelength consistency good led, color consistency, such as the requirements of color consistency, the price is high.

It is difficult for producers without led spectrophotometer to produce pure color products.

4, leakage current

LED is a one-way conductive light-emitting body, if there is a reverse current, called leakage, leakage current large LED, short life, low price. 5, the luminous angle uses the different led its luminous angle is dissimilar. Special luminous angle, high price.

such as full diffuse angle, the price is higher. 6, life is different, the key to quality is life. Life expectancy is determined by light decay.

Light decay small, long life, high price.

7, Wafer LED light-emitting body for the chip, different chips, prices vary greatly.

Japan, the United States, the chip is more expensive, the general Taiwan and domestic chip prices are lower than Japan, the United States (CREE). 8, the size of the wafer chip size to edges, large chip led quality is better than small chip.

The price is proportional to the size of the wafer. 9, Colloid Ordinary led colloid generally for epoxy resin, plus anti-ultraviolet and fire retardant led price more expensive, high-quality outdoor LED lighting should be anti-ultraviolet and fire protection. Each product will have different design, different design for different purposes, LED lighting reliability design includes: Electrical Safety, fire safety, the application of environmental safety, mechanical safety, health and safety, safe use of time and other factors.

From the electrical safety point of view, should conform to the relevant international and national standards. As the LED is a new product, China's national standards lag, but the country provides product qualification testing. With international security certification (such as GS, CE, UL, etc.) and the national product quality certification LED lighting prices are high, because these products in safety design is reliable.

Consumer attention is to seriously identify the authenticity of certificates, there are international security certification and national product certification manufacturers are not many. From the health side, the use of non-toxic materials designed to high prices, especially indoor LED lighting, do not cheap the use of smelly LED lighting, only a few led manufacturers are non-toxic materials production, the method can be identified directly with the nose, the smell of the product than the price of a lot lower than the odor. Similar to lead, mercury, cadmium and other toxins need professional analysis.

From the application of environmental security, there is a reliable dust-proof design, materials fire, Anti-ultraviolet, low-temperature cracking LED products high prices.

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