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Small power LED ceiling spotlights.

Small power LED ceiling spotlights.
  • Product model:Small power LED ceiling spotlights.
Detailed introduction

Small power LED ceiling spotlights.
Analysis of main performance indexes of small power LED ceiling spotlights.
Small power LED ceiling lamp is referring to the smallpox of LED as light source to shoot the light, it is typically not advocate the lamp, wuding scale modern genre of lighting, can be placed near the ceiling or furniture, also may be placed on a wall, dado or play crural line, can build the level of the rich and colorful visual effects.
In the long term, small power LED ceiling lamp will be the first to replace traditional lighting a new generation of lighting lamps and lanterns, it not only energy conservation and environmental protection, and long service life, high light efficiency, in the future it will quickly into the field of general lighting and trigger a new change.

LED performance index is the core part of small power LED ceiling lamp, only to understand the performance index to the depth of understanding of LED ceiling lamp, can be handy for future product development and sales, is also to enter the LED industry must understand something.
The performance indicators of LED ceiling spotlights will be explained in the following sections.
1. Reverse voltage VRm of LED ceiling spotlights: maximum reverse voltage allowed.
Over this value, LED ceiling spotlights can be punctured and damaged.
2. The LED ceiling lamp voltage: we usually say is the forward voltage of LED ceiling lamp, that is the positive power of the LED anode, cathode anode. Connect power voltage has relationship with color, red, yellow, yellow green voltage is between 1.8 2.4 v.
The voltage of white, blue and green is between 3.0-3.6v, and there may be some differences in the voltage of the same LED, depending on the manufacturer's offer. When the outside temperature rises, VF will decrease.
3. The color temperature of LED ceiling lamp: the absolute temperature (K), is a standard blackbody, heating temperature to a certain degree of color started by scarlet - pale red - orange - white - blue, gradual change, the color photograph of a light source and blackbody at the same time, we will blackbody absolute temperature at the time called the color temperature of the light source.
4. The color of the LED ceiling lamp, LED color is one of an important indicator, is each LED ceiling lamp products must be identified, the LED colors are red, green, blue, green, yellow, white, warm white, amber color, such as when we design and order of the parameter is never forget, (especially beginners). Because of different colors, the related parameters have great changes.
5. Current of LED ceiling light: LED's positive limit (IF) current is more than 20MA, and LED's light failure current cannot be greater than IF/3, about 15MA and 18MA.
The luminescence intensity of the LED is only proportional to the IF in a certain range, and the brightness enhancement cannot be separated from the inner eye when IF>20MA. Therefore, the working current of the LED is generally considered reasonable around 17-19ma.

source:www.gvanl.com

time:2018-01-27

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