News
10/09/2013 09:43
Third, the application of skin effect
LED Lighting china
Conductor alternating electromagnetic field intensity with depth into the conductor exponentially decreasing, so sunscreen mixed conductor particles (usually zinc oxide and titanium oxide), can make the sun's ultraviolet rays...
10/09/2013 09:42
LED devices commonly used there are two types: Digital tube and lattice. 8-segment digital tube LED Bulb LED devices belong to one. 8-segment digital tube, also known as 8-shaped digital tube is divided into eight sections: A, B, C, D, E, F, G, P. Where P is the decimal point....
10/09/2013 09:41
From the material point of view, to achieve such high efficiency, luminous efficiency of up to 100% MR16 using a phosphorescent material, green and red phosphors at present have no problems need to be solved is to play an important role in blue phosphorescent material . Now is the lack...
09/09/2013 09:48
Marvell noted Marvell88EM8183LED highly integrated driver IC, is to be able to smooth dimming LED Downlight down to one percent depth of current design, and can only be dimming down to ten to twenty percent of competing brands to solve program compared with a significant...
09/09/2013 09:37
4 switching overvoltages
LED Bulb The electrical power supply system inductive and capacitive loads turned on or off , the earth short circuit, short-circuit power lines , etc. , can be produced in high-voltage pulse power supply line , the pulse voltage up to normal voltage 3-5 times, can...
09/09/2013 09:33
2 lightning equipotential bonding
To completely eliminate the damage caused by lightning of potential difference , power lines , MR16 signal lines, metal pipes and so use overvoltage protection equipotential connection , each inner protection zone at the interface must also be...
06/09/2013 09:45
2.2 Design principles and methods
LED Bulb By measurement circuit shown in Figure 1, the LED voltage characteristics can be measured to determine the threshold voltage of the LED forward voltage, forward current, the normal operating voltage (referred to as rated voltage) and the emission...
06/09/2013 09:42
LED light points too concentrated super brightness makes the center , it is easy to hurt people 's LED Downlight eyes , although some lighting manufacturers make efforts in this regard , but because of regulatory lag , can only be man's moral issues.
6, LED heat...
05/09/2013 09:08
LED devices commonly used there are two types: Digital tube and lattice. 8-segment digital tube LED Bulb LED devices belong to one. 8-segment digital tube, also known as 8-shaped digital tube is divided into eight sections: A, B, C, D, E, F, G, P. Where P is the decimal point....
05/09/2013 08:49
the resistance increases. Since the central portion of the wire almost no current flows through LED Downlight this central portion can be removed to save material. Therefore, the high-frequency circuits can be used instead of a hollow solid conductor wire. Furthermore, in order to...
