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24/06/2013 09:24
Based on these two materials, the early use of GaAs1-xPx LED industrial timber Tu structure, in LED Downlight theory, can produce until the green light from the infrared light of any wavelength within the range of the LED, the subscript X represents phosphorus to replace the...
21/06/2013 09:39
D50 fluorescent, natural white fluorescent and LED spectral distribution of the relative intensity
Next, we use these three illumination raw meat, meat color and observing conditions.
LED Bulb
In D50 fluorescent lighting, meat and...
21/06/2013 09:39
2.3.1 dimming lights
LED Downlight
Generally, street lights after midnight there is nothing useful, so the usual practice is to turn off the lights after 12:00 or the opening half brightness. But the most reasonable approach is based on the traffic lights to control the brightness, or even...
21/06/2013 09:38
Light performance difference can be "CRI" describes.
MR16
International Commission on Illumination (CIE) This index is defined for a particular radiation source illumination, the 15 specified test color visual display case.
These...
20/06/2013 09:19
Users understand the importance of these features, especially its thermal characteristics. I can LED Bulb not help but think back to transistors replaced vacuum tube applications in electronic circuits scene, because the transistor is a semiconductor device temperature...
20/06/2013 09:19
Artificial lighting is generally used as a general color rendering index CRI evaluation index, CRI is LED Downlight also important to measure the color characteristics of the light source parameters. The traditional calculation of CRI has a variety of testing methods and the...
20/06/2013 09:12
? To ensure that the device is in proper working conditions in order to achieve high reliability;
MR16? Prevent stress conditions in the ultra-driven, extended working life of LED;
? The maximum possible current work to increase the light output performance.
Thermal...
19/06/2013 09:14
3, switching characteristics
LED Downlight
LED switching characteristics is the instantaneous power and power LED light, electricity, color change characteristics. Through the LED switching characteristics of the test can be obtained through the power LED at the moment working conditions,...
19/06/2013 09:13
Figure 4: The differential structure function: 1W red light mounted on MCPCB for LED (Click image to view full size)
LED Downlight
Since the thermal conductivity of copper and plastic is not the same, the structural function of the curve can easily read thJC R value. Meanwhile, in the second...
19/06/2013 09:13
Figure 2: two in the LED junction - ambient heat flow path: LED encapsulation glue fixed on MCPCB
LED Bulb
For steady-state modeling, the package thermal characteristics can be thJC R, the junction - case Thermal resistance to accurately describe, junction - case Thermal resistance...
