News
02/07/2013 09:58
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,...
02/07/2013 09:57
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...
02/07/2013 09:57
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...
01/07/2013 09:45
First, the working environment
LED Downlight
LED outdoor lighting is bad because the work environment by wind and rain and sun, the sun's ultraviolet radiation, diurnal temperature variations, dust in the air, chemical gases such conditions, year after year, by the...
01/07/2013 09:44
C. LED spectral distribution curve
MR16
1 blue InGaN / GaN 2 green GaP: N 3 red GaP: Zn-O
4 infrared GaAs 5 Si photosensitive optoelectronic standard incandescent tube 6
T8 Tube
① blue InGaN / GaN light-emitting diodes, peak is λp = 460 ~ 465nm;
② green GaP: N of the LED, peak is λp...
01/07/2013 09:42
Line width: the LED spectrum peak at both sides of ± △ λ, there are two light intensity equal LED Downlight to the peak (maximum light intensity) half-way point, the two corresponding λp-△ λ, λp + △ λ is called the width between line width, also called half-power width or...
29/06/2013 09:13
High Power LED chip packaging adhesive
LED Downlight
Welding general metal mold
LED Strip
HN-G high performance thermal grease (example)
Introduction:
GU10
HN-G thermal grease Bon Enterprise Co., Ltd. of Shenzhen production, designed for a variety of instruments and electronic...
29/06/2013 09:13
Features:
LED Bulb
Thermal conductivity: Thermal conductivity of 2.0 W / m-K
Eliminate mechanical firmware needs
LED Module
Stable mechanical properties and chemical properties
Challenging environment to maintain body structure and...
29/06/2013 09:13
Major shortcomings are as follows:
LED Downlight
First, the luminous efficiency is not high enough: At present, although the level of laboratory power white LED luminous efficiency has more than 100lm / W, but mass production, cost-effective high power white LED luminous efficiency is...
28/06/2013 09:09
During electrical - thermal co-simulation, it is usually not only want to know the temperature LED Downlight changing circumstances, but also want to know the temperature on the electrical waveform transients. Our recent extends the capabilities of the instrument, the instrument...
