teach you to distinguish the price difference of LED lighting products

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led wall lights - China Manufacturer

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1, LED light source characteristics

(1) Voltage: LED low-voltage power supply voltage between 6-24V, depending on the product, so it is safer than the use of high-voltage power supply power supply, par ticularly in public places.

(2) Performance: energy consumption is reduced by 80% compared with the same luminous efficiency of incandescent lamps.

(3) Applicability: small LED small piece of each unit is 3-5mm square, so the device can be fabricated into various shapes, and is suitable for variable environment.

(4) Stability: 100,000 hours, the light fades for 50% of the initial.

(5) Response Time: incandescent response time of milliseconds, the response time of led underground light lights for a nanosecond.

(6) environmental pollution: harmful metallic mercury.

(7) Color: can change the current color, light emitting diodes by chemical modification methods, adjust the material band structure and band gap, orange red Huanglv Lan multicolor light.

(8) Price: LED s are expensive, compared to the price of the incandescent lamp, a few LED s on the price of an incandescent.

LED light-emitting diodes and chip

At present, the of the manufacturers have the ability to in the production of LED with the LED lighting is is is Huan one of the few, different manufacturers selection of that the the of the LED of the of different quality yes the the of the important reasons of caused by LED lighting different prices. Red LED, for example, general-purpose ordinary red LED price is between $ 0.03-0.08, while for the production of LED lighting, red LED price between 0.12-0.36, higher quality more than 3.2 yuan /, generally does not produce LED LED LED lighting manufacturers are difficult to distinguish, not to mention consumers. Therefore, the choice of their own production of LED light emitting diode or LED lighting, LED testing equipment has a perfect plant products is thus guaranteed. The following sets out the fundamentals of the LED performance.

(1) brightness: the brightness of LED is no t the same, the price is not the same.

(2) antistatic ability: strong LED antistatic capacity, long life, and hence the price is high. The antistatic usually greater than 700V, the LED can be used for LED lighting.

(3) the same LED wavelength: wavelength, the same color, the price is high. No the LED spectrophotocolorimeter instrument manufacturers is basically impossible to produce pure colors.

(4) Leakage current: LED is one-way conductive light, if the reverse current is called leakage, the leakage current LED, life is short, low prices.

(5) Viewing angle: the use of different LED light angle is not the same, special illumination angle, and higher prices.

(6) Life: the key to quality life, life is determined by the light fades. Light decay, long life, long life and high price.

(7) chip: led lighting fixture light chip, chip, prices vary wide ly. Higher chip prices in Japan, the United States, the general Chinese in Taiwan and mainland China production chip price is lower than Japan and the U.S..

(8) Chip size: the size of the chip to the side of the quality of the chip LED is better than a small chip. Price proportional to the same chip size.