You can choose to bring back light liquid crystal display module, the module USES such as CCFL (cold Yin machine fluorescent lamp), EL (electroluminescent device) and LED (light-emitting diode) such as visible light, here is with the structure of the back light liquid crystal display module.
1, CCFL (cold cathode fluorescent lamp) features
High brightness, 3000-4000 CD/m2
Long life (20000 hours)
Low calorific value
Light wavelengths,
2, EL (electroluminescent device) features
hickness is small, 0.4 to 1.0 mm
Wide range of driving conditions, the frequency of 60 to 1000 hz, 150 v ac voltage
Light color have blue, green, yellow, green and white
Life is about 5000 hours
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