EL cold light film (LCD backlight) supply EL cold light film (LCD backlight)
s the back electrode, the main material for silver or carbon, light-emitting materials are mainly zinc sulfide (ZnS), when the AC voltage is applied to two electrodes, the electric field makes the (ZnS) particles have pumped jump, resulting in a charge-discharge cycle of each LED, when it contains different active agent, may issue a different color of light. EL brightness as the voltage between the electrodes, the change of frequency changes in a certain range of voltage and frequency increased
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07/27 23:49