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Novel Phosphors for UVLEDs

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Abstract

Phosphor is a key component in the recent advances in light-emitting diodes. It converts the light emitted by ultraviolet or blue LEDs into visible light. In the past decade, scientists and researchers have developed various phosphors for general illumination and optical displays, and they continue to develop new phosphors for w-LEDs in order to overcome conventional lighting systems. The phosphors should have strong absorption of the light emitted by the UVLEDs and be able to efficiently downconvert it into longer wavelengths (i.e., visible light). Among the number of developed phosphors, silicate-, borate-, phosphate-, and nitride-based phosphors for have been studied for UVLED applications. This chapter will discuss novel phosphors for UVLEDs according to their chemical compositions and their pertinent applications in white light‒emitting diodes.

Keywords

Emission Intensity Excitation Spectrum Ionic Nitrides Relative Emission Intensity Nitride Compound 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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© Springer-Verlag Berlin Heidelberg 2017

Authors and Affiliations

  1. 1.Energy and Opto-Electronics Materials Laboratory, Department of Chemical EngineeringChung Yuan Christian UniversityChung LiTaiwan

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