News
13/06/2013 09:38
MFR 2 of the current must be reduced to 407mA, but in this current, the device LED Lighting china only generates light output 107lm, MFR 4 devices instead of 700mA at full scale when 133lm. As 407mA is not a standard value, the client creates a solution in non-standard values, costs may thus...
13/06/2013 09:37
Two, softness: LED flexible strip with very soft FPC as the substrate, can be bent without breaking, easy to shape, suitable for a variety of advertising and styling.
MR16
Third, small heat: LED Flexible Strip light-emitting element is LED, the power of the...
09/06/2013 09:59
(2) package failure
Package failure is improper packaging design or production processes lead to device failure. The LED Lighting china epoxy material used in packaging, in the course of degradation problem occurs, resulting in reduced life of LED. Such degradation problems...
09/06/2013 09:58
Hsu et al. Provided by different vendors LED accelerated life test sample, the test samples were MR16 placed in the LED 80,100,120 ℃, using 3.2V voltage drive, and provides the optical power of the sample down to the starting value 50%, it is determined to be invalid. Figure...
09/06/2013 09:58
For packaging purposes, there is an important factor affecting the LED life is corrosion. LED use LED Bulb in general is mainly due to corrosion caused by moisture penetrate the packaging material inside, resulting in deterioration of lead, PCB copper corrosion;...
08/06/2013 10:25
Single LED light source according to the data, aging, LED light source is lit if only one job, while LED Downlight the temperature of the environment which is 30 degrees, then, a single LED light source holder working temperature does not exceed 45 degrees . This time, this LED life...
08/06/2013 10:24
3 Select resettable fuse
MR16
Resettable fuse, also known as polymer positive temperature thermistor PTC, is a polymer and conductive particles and the like. After special processing, the conductive particles in the polymer chain constituting the conductive path. When the normal...
08/06/2013 10:24
2 Use the transient voltage suppression diodes (abbreviated TVS)
LED Bulb
Transient voltage suppression diode is a diode in the form of high-performance protection devices. When it's poles by reverse transient high-energy impact, able to power 10 to the minus 12 seconds, the speed of a very...
07/06/2013 10:33
so that as much of the input power into light energy, another important way is to try to improve LED Downlight component heat dissipation capacity, so the junction temperature heat generated, distributed through various channels into the surrounding environment.
1 Overview...
07/06/2013 10:30
Constant load short circuit afraid, but non-load completely open;
MR16
LED constant current driver circuit is an ideal, but the relatively higher prices; should be noted that the use of current and voltage withstand the maximum value, which limits the use of LED quantity.
T8...
