Method to design alternating current light-emitting diodes luminous flux

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• 作者：Yingming Gao ; Huanyue Zhang ; Xu Guo ; Fan Cao ; Jingjie Yu…
• 关键词：Alternating current light ; emitting diodes ; Luminous flux ; Average luminous efficiency
• 刊名：Optical and Quantum Electronics
• 出版年：2015
• 出版时间：December 2015
• 年：2015
• 卷：47
• 期：12
• 页码：3715-3727
• 全文大小：725 KB
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• 作者单位：Yingming Gao (1)
  Huanyue Zhang (2)
  Xu Guo (1)
  Fan Cao (1)
  Jingjie Yu (1)
  Ailin Chen (1)
  Nianyu Zou (1)
  
  1. Research Institute of Photonics, Dalian Polytechnic University, No.1 Qinggongyuan, GanjingziDist, Dalian, 116034, Liaoning, China
  2. School of Materials Science and Engineering, Dalian University of Technology, Dalian, 116024, Liaoning, China
  
• 刊物主题：Optics, Optoelectronics, Plasmonics and Optical Devices; Electrical Engineering; Characterization and Evaluation of Materials; Computer Communication Networks;
• 出版者：Springer US
• ISSN：1572-817X

文摘

Fluctuation of current through alternating current operated light-emitting diodes (AC LEDs) make luminous flux simply equivalent to the product of power consumption and luminous efficiency unreasonable, unlike constant current scenario. Based on application model and average luminous efficiency introduced by this paper, relationship between AC LEDs luminous flux and its application circuit parameters, including balance resistor, threshold voltage and equivalent resistor of LED etc. was presented. Then method to design AC LEDs through single LED photoelectric characters to meet luminous flux requirement was given. Keywords Alternating current light-emitting diodes Luminous flux Average luminous efficiency