White LED based on polyfluorene Co-polymers blend on plastic substrate

White LED based on polyfluorene Co-polymers blend on plastic substrate

We report on high-performance, white light emission from polyfluorene co-polymers blend and study of the opto-electrical properties of polymer blend light-emitting devices (PLEDs) fabricated on plastic substrate. Our results show that efficient white light emission via energy transfer, producing hig...

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Veröffentlicht in:IEEE transactions on electron devices 2006-03, Vol.53 (3), p.427-434
Hauptverfasser: Hojin Lee, Johnson, A.R., Kanicki, J.
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
Atmospheric measurements
Blending
Blends
Copolymers
Devices
Electrodes
Electronics
Emission
Energy transfer
Exact sciences and technology
Flexible plastic substrate
Luminance
Optical variables measurement
Optoelectronic devices
Organic light emitting diodes
Plastics
polymer blend
polymer light-emitting diodes (PLEDs)
Polymers
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
Substrates
White light
white polymer light-emitting diodes (WPLEDs)
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Zusammenfassung:We report on high-performance, white light emission from polyfluorene co-polymers blend and study of the opto-electrical properties of polymer blend light-emitting devices (PLEDs) fabricated on plastic substrate. Our results show that efficient white light emission via energy transfer, producing higher device efficiencies and luminance in comparison with the conventional single PLEDs, can be realized by blending carrier donor (host) and acceptor (guest) organic polyfluorene co-polymers. A maximum luminance of /spl sim/7400 cd/m/sup 2/ was achieved at 13 V with Internationale de L'Eclairage coordinates of (0.33, 0.33). Maximum emission efficiency of /spl sim/2.0 cd/A and power efficiency of /spl sim/1.1 lm/W are obtained for white light PLEDs on plastic substrate.
ISSN:0018-9383
1557-9646
DOI:10.1109/TED.2005.864378