News
25/07/2013 13:51
Carbon filament incandescent stability, but reproducibility is poor, almost the same as the legal MR16 system of the two luminous intensity incandescent, so this benchmark is not entirely satisfactory, can only be temporary.
Second, the new definition of luminous intensity -...
25/07/2013 13:51
1879, Vital flame standard as to avoid inconvenience, recommended solidification of pure LED Bulb platinum surface trough one square centimeter emitted light intensity as a luminous intensity standard. For various reasons (for example, the purity of platinum is not higher),...
24/07/2013 10:09
4, will be placed in a small beaker of clean precision electronic scales, the estimate E, according to the specifications of book production ratio of phosphor were weighed desired weight of phosphor and A, B glue.
LED Lighting china
5, with a good phosphor manual...
24/07/2013 10:09
2, washed with acetone used with plastic small beaker.
LED Downlight
3, prepare the required volume production specifications or the corresponding contact list, and the corresponding model glue and confirmed its effective use in the period.
LED...
24/07/2013 09:51
LED backlight
LED Bulb
Direct type LED backlight LCD TV is the LED backlight and the LCD panel 90 degrees to the vertical position, so you can make the screen brightness distribution, to avoid light leakage phenomenon, but for users direct type LED backlight...
24/07/2013 09:47
2.LED floodlight features:
MR16
Currently on the market used LED Floodlight basically use 1W high power LED (each LED components are made of PMMA with a high light efficiency lens, whose main function is quadratic assignment LED light, that is, two secondary optics), there are a...
23/07/2013 10:07
However, such lamps have a relatively troublesome drawback is that the color change in the MR16 control circuit, which requires relatively high cost, but also the life of the drive circuit is a problem, the industry there are a number of solutions to cope with, it is expected that after...
23/07/2013 10:06
The difference in coefficient of thermal conductivity of the sapphire substrate, affect the LED LED Lighting china luminous efficiency. To solve the LED heat problem, the future may be mainly vertical structure LED structure, promoting technological development of LED industry....
23/07/2013 10:06
Heat source: the use of heat excitation light sources such as incandescent lamps at 3,000-4,000 K LED Downlight temperature thermal radiation emission. Incandescent lamps 80 to 90% of the energy is converted to heat, about 10% of the energy is converted to light energy. Therefore,...
22/07/2013 10:31
Changes in temperature, according to the color sensor measuring the red, green, and blue LED Downlight luminance data, trimming orange lights and blue lights of the PWM waveform is high time to make red, green and blue light ratio is constant, the color temperature to maintain...
