Bookcover of ROLE OF DIPOLES IN THE EL MECHANISMS OF ACTFEL DEVICES
Booktitle:

ROLE OF DIPOLES IN THE EL MECHANISMS OF ACTFEL DEVICES

Characterization and modeling of the opto-electronic processes in A. C. Thin Film Electroluminescent display devices

VDM Verlag Dr. Müller (2009-10-18 )

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ISBN-13:

978-3-639-20335-6

ISBN-10:
3639203356
EAN:
9783639203356
Book language:
English
Blurb/Shorttext:
The purpose of this book is to advance the understanding of SrS-based a. c. thin film electroluminescent (ACTFEL) devices. The role of traps in the bulk phosphor layer in the light emission mechanism from ACTFEL devices is studied, characterized and modeled. Experiments were performed to observe the response of the ACTFEL devices to tailored voltage excitations. A physical model was developed to describe the opto- electronic processes taking place in the phosphor; analytical equations were written and numerically simulated to plot the flux and luminance responses of the device to similarly tailored voltage excitations. The voltage excitation parameters such as amplitude, rise times and fall times were varied both experimentally and in simulations and their effect on the opto-electronic response of the device was studied. Thermally stimulated luminance studies were performed to determine critical device parameters. Theoretical predictions matched the experimental data in a qualitative manner. A much improved quantitative accuracy is obtained when the role of dipoles in the EL mechanisms is incorporated into the model.
Publishing house:
VDM Verlag Dr. Müller
Website:
http://www.vdm-verlag.de
By (author) :
Praveen Kumar Sivakumar
Number of pages:
148
Published on:
2009-10-18
Stock:
Available
Category:
Building and environmental technology
Price:
59.00 €
Keywords:
ACTFEL, Thin Film, SRS, Phosphor, modeling, Optoelectronics, electronics

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