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作者:

Chuai, D.X. (Chuai, D.X..) | Guo, X. (Guo, X..) (学者:郭霞) | Guan, B.L. (Guan, B.L..) | Zhang, J.L. (Zhang, J.L..) | Shen, G.D. (Shen, G.D..)

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EI Scopus

摘要:

A trichromatic phosphor-free white light-emitting diode (LED) has been implemented by using adhesive bonding scheme. The device has been operated as a three-terminal device with independent electrical control of an AlGaInP-based red LED chip and a GaN-based dual-wavelength (blue and green) LED chip. As 25mA and 60 mA was injected into the red and blue-green LED chips at room temperature respectively, white light emission could be observed with CIE chromaticity coordinates (0.3330, 0.3241), correlated color temperature Tc=5467K and optical power Φe=2.223mW. The electroluminescence measurements also show that the emitted white light is composed of blue, green and red lights, centered at around 452nm, 517nm and 632nm. The fabrication and the electrical and optical performances of such white LED were described. © 2009 SPIE-OSA-IEEE.

关键词:

Adhesives Diodes Gallium nitride III-V semiconductors Light Light emission Light emitting diodes Phosphors

作者机构:

  • [ 1 ] [Chuai, D.X.]Beijing Optoelectronic Technology Laboratory, College of Electronic Information and Control Engineering, Beijing University of Technology, Beijing 100124, China
  • [ 2 ] [Guo, X.]Beijing Optoelectronic Technology Laboratory, College of Electronic Information and Control Engineering, Beijing University of Technology, Beijing 100124, China
  • [ 3 ] [Guan, B.L.]Beijing Optoelectronic Technology Laboratory, College of Electronic Information and Control Engineering, Beijing University of Technology, Beijing 100124, China
  • [ 4 ] [Zhang, J.L.]Beijing Optoelectronic Technology Laboratory, College of Electronic Information and Control Engineering, Beijing University of Technology, Beijing 100124, China
  • [ 5 ] [Shen, G.D.]Beijing Optoelectronic Technology Laboratory, College of Electronic Information and Control Engineering, Beijing University of Technology, Beijing 100124, China

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ISSN: 0277-786X

年份: 2009

卷: 7635

语种: 英文

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WoS核心集被引频次: 0

SCOPUS被引频次: 1

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