Properties of Up Conversion Phosphors Necessary for Small Size Emissive Displays

Up converters combined with GaAs based semiconductor light sources are described as having potential for emissive displays with very large color gamut and very high resolution. To enable such displays the efficiency and temporal response of the up converting materials were studied and are reported....

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Bibliographic Details
Published in:Journal of display technology 2011-02, Vol.7 (2), p.77-83
Main Authors: Jung-Hyun Cho, Bass, M, Cassanho, A, Jenssen, H P, Freisem, S, Deppe, D G
Format: Article
Language:English
Subjects:
Conversion
Converters
Displays
Emissivity
Gallium arsenide
Image color analysis
Indexes
Infrared
luminescence
Materials
optical frequency conversion
Phosphors
Pixel
Semiconductor device measurement
semiconductor laser arrays
Semiconductors
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Summary:Up converters combined with GaAs based semiconductor light sources are described as having potential for emissive displays with very large color gamut and very high resolution. To enable such displays the efficiency and temporal response of the up converting materials were studied and are reported. High efficiency is shown to be possible by proper preparation and utilization of the up converters. Up conversion displays can operate with refresh rates as high as 240 Hz. Operation as either a visible or near infrared display is possible.
ISSN:1551-319X
1558-9323
DOI:10.1109/JDT.2010.2095410