LED lighting, had to master the technology

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led strip light - China Manufacturer

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Optical performance (with light): LED optical performance is mainly related to the performance requirements of the spectrum, luminosity and chroma. According to new industry standards set by the semiconductor light-emitting diode test method ", the main luminescence peak wavelength, spectral radiation bandwidth, axial light-emitting angle intensity, luminous flux, radiant flux, luminous efficiency, chromaticity coordinates, color temperature, color purity and the main wavelength, the color rendering index. Display the LED mainly visual and intuitive effect, therefore the relevant color index does not make the requirements, but the lighting of the white light the LED, color temperature, color rendering index and illumination on the particularly important, an important indicator of lighting atmosphere and the effect of, rather color purity and dominant wavelength generally does not require.

Mainstream practice in the global led light panel industry, made lamps with light package LED chips to form a light source or light source module, so is the original practice of traditional light sources, because the traditional light source is 360 ° LED . If you want to light guide to the application side, the traditional lighting of the Philips do the best a 40% light loss. Many LED downstream manufacturers in the use of lighting optical parameters in fact are chip or optical parameters of the light source, rather than the overall lighting of the optical index parameter.

Now the most advanced scientific methods to do the light distribution on the chip package, a chip of the light guide, to maintain maximum light output, optical loss rate of only 5% -10%. As technology continues to improve, light loss rate will be getting lower and lower light source efficiency will become increasingly high. With the same light fixtures do not need to do with light, the relative efficiency of the lamps will greatly improve, to make wider use of functional lighting to form a market of sufficient size channels. Therefore, a good LED suppliers, is our top priority, we do not need to spend costly to study how our LED with light is better, do not need to spend a lot of time and experience allows engineers to use a software simulation, the easiest way is to LED white light suppliers to cope with. You know, our engineers, such as software to the simulation, then the necessary action is the input and output. Enter the pre-data import, the output of the simulation results, preliminary data must be accurate to correctly back-end simulation.

The thermal properties (structure): the lighting of the led underground light luminous efficiency and power is one of the keys of the LED industry, in the meantime, LED PN junction temperature and shell heat issues is particularly important. PN junction, the greater the temperature difference of temperature and light body, then the thermal resistance of the greater, followed by light can be converted into heat energy consumed in vain, and in severe damage to the LED. A good structural engineer must consider not o nly the structure of the lamp and LED thermal resistance, but also consider the shape of the lamp is reasonable, fashion, new, of course, reliability and maintainability, as well as practicality, that is, to stand designers point of view to think, but also from the user point of view to consider the product ...