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13/08/2013 08:56
8, the chip size chip size to the side that big chip LED chip quality is better than small. Chip size is proportional to the price of the same.
MR16
9, colloidal ordinary LED colloidal generally epoxy resin, plus a UV LED and fire agents more expensive, high-quality outdoor LED...
13/08/2013 08:56
3, the same wavelength wavelength of the LED, the same color, such as requiring the same color, then the price is high. No LED spectral separation device manufacturers is difficult to produce pure colors.
LED Bulb
4, the leakage current LED is one-way conductive light, if there is...
12/08/2013 09:00
3. Precautions
MR16
(1) check if dim glow, indicating that the device has been aging, the luminous efficiency is too low. If the display of the pen incomplete, indicating that digital tube has been partially damaged.
T8...
12/08/2013 09:00
This contact with a lead to a positive terminal of the stroke, the stroke which should be displayed. LED Bulb With this simple method can check out whether there is a broken pen digital tube (not shown a stroke), even the pen (some strokes together), and can compare the relative strength of...
12/08/2013 09:00
3, see LED lamp with surface cleanliness. If using SMT technology, the LED lights, the surface LED Downlight cleanliness is very good, do not see any impurities and stains. However, if using hand welding process produces LED lights with cottage version, no matter how clean the surface,...
09/08/2013 09:18
Safety testing is characterized by emphasis on the use of security and maintenance personnel LED Downlight protection is easy to use while electronic products, electronic products has brought us to prevent danger, while allowing partial or total loss of function of the device....
09/08/2013 09:06
The main screen
LED Bulb
For mobile phone main screen resolution of the display there are many, from 96x64 to 640x320. In some candy bar machine, common are 96x65, 101x80 display resolution; while folding machines, mostly 128x128 display; while 132x176, 176x220 and folding machine in many...
09/08/2013 08:44
With the display resolution of the duty cycle increases, the difficulty of using passive matrix OLED MR16 and technical requirements are also higher. Thus some of the OLED module manufacturers interested in using active matrix OLED at duty cycles greater than 132 display. This is...
08/08/2013 08:41
LT1937 switching inductive boost converter chip power switch voltage values up to 36V, can LED Bulb drive six white LED in series consisting of single load. Sampling resistor voltage drop of about 100mV, by adjusting the sampling resistor sets the output current is set...
08/08/2013 08:41
S8813 with LM2794 structures are similar, but the principle is a constant pulse frequency LED Lighting china modulation. This constant current conversion efficiency for some benefits, but there are some switching noise. The device's typical operating frequency is about 600kHz,...
