万能棋牌游戏作弊器
LED display Fundamentals
  • LED display Fundamentals
    • 2016-08-22 11:26:22
    • admin

    Light emitting diode (LED) is a photoelectric element including a III-V compound semiconductor material, its core is the PN junction . The forward voltage, electrons injected from the N area P area , hole injection from the P region N region , part of the minority carriers into each other 's region and majority carrier recombination to emit light. PN junction is formed of material properties ( ban...

Contact Us
  • Higreen Industrial Park,Longqiao Economic Development Region,Anxi Country,Fujian
  • Email : [email protected]
  • Tel: 0592-5790753
万能棋牌游戏作弊器
  • Contact Us
  • 8615060761762