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14/11/2013 09:28
isolation is inevitable , the difference just set in different positions isolated . Some designers use LED Bulb of isolation transformer design , so they can simplify the design of cooling and shade . If you use non-isolated -driven design , the lamp shells and other structures...
13/11/2013 08:40
In lighting applications over a wide input line voltage, output voltage, and temperature variations and accurate LED current regulation is crucial, because the LED brightness change must be LED Downlights imperceptible to the human eye . Similarly, to ensure that the LED has the longest...
13/11/2013 08:39
Figure 1 : Using the LT3799 and have the ability to PFC and TRIAC dimmer universal input , Isolated Flyback LED Controller Circuit
LED Downlight
Figure 2: LT3799 at universal input voltage range Efficiency
Figure 3 : a source of PFC LT3799 VIN and IIN waveform
Conclusion ...
13/11/2013 08:39
Overall, warehouses, garages and other lighting electricity pay a large commercial enterprises to LED lighting speed much faster , because the cost savings is obvious. With alternative lighting solutions as LED lights purchase costs down , there will be more consumers are willing to LED lighting....
12/11/2013 08:30
1 integrating sphere spectrometer measurement method works
LED Bulb
Integrating sphere measurements have Photometry and spectroscopy measurements of the points. Early simply using a galvanometer pointer photoelectric photometer head of the table to read the photocurrent , then manual...
12/11/2013 08:29
Photomultiplier tube with a different place, the CCD array spectrometer measured by the grating LED Downlight of the polychromatic light is decomposed into order according to the size of the wavelength spectrum of the optical power signal, and can be distinguished at one time...
12/11/2013 08:29
In addition , the measurement requires accurate wavelength scan ( this continuous spectrum of MR16 light for measurement accuracy is not a problem , but the spectrum of the light separation optical parameters in particular, the color parameter measurement accuracy is important, such as...
11/11/2013 10:06
COMMB-LED surface light source applications fluorescent tube map
LED Downlight
Project applications characteristic parameters of fluorescent tubes
Model: KX-T5-1.2M-13W
Power: 13W Input Voltage (AC): AC110-260V
LED Strip
Color temperature :3000-7000K Operating...
11/11/2013 10:05
The LED to protect our first thought is to use fuse, but the fuse is disposable, and the reaction LED Downlights speed is too slow, the actual use of both poor and very troublesome , so not suitable for fuse LED lights are now finished , because LED lights are now mainly in urban...
11/11/2013 10:05
5 , inside the lamp into the water, the water is conductive.
LED Lighting china
6 , when the assembly did not do the work of anti-static , the LED interior has been static electricity damage. Although the applied voltage and current values are normal , but also easily cause damage to the LED...
