Dissertation > Excellent graduate degree dissertation topics show

Study on the Luminescence Properties and Fabrication of Organic Light-Emitting Devices

Author: DuGuoHua
Tutor: WangZuo
School: Harbin University of Science and Technology
Course: Materials Physics and Chemistry
Keywords: Electroluminescent Efficiency Electron transport layer Spectrum Films
CLC: TN383.1
Type: Master's thesis
Year: 2008
Downloads: 196
Quote: 0
Read: Download Dissertation

Abstract


Organic electroluminescent devices has bright prospects for application in the display area , is seen as very competitive flat panel display technology . Organic electroluminescent devices as flat panel display important one in the family has the advantages of light weight , low cost , wide viewing angle, fast response, self-luminous, high luminance and efficiency , to achieve full color display , making it in recent years to focus for researchers . Although organic electroluminescent devices have made ??great progress , but to further improve the performance of the device is the countries researchers need to work on . This thesis focuses on the study of the organic EL device structure , characteristics and luminescence mechanism and got some interesting results . The paper work including design, production and testing of organic electroluminescent devices . First introduced the there the electroluminescence principle , the composition of the device , the structure and materials . Details of the band structure , carrier injection and energy transfer models . Secondly, the process of the organic electroluminescent device produced carefully discussed OLED multifunctional coating system used in the present experiment , and the production process are improved . Polymers [poly 2 - methoxy -5 - ( 2'- vinyl - yloxy)- p-phenylenevinylene ] (MEH -PPV, ) as a light emitting layer, 8 - hydroxyquinoline aluminum (Alq3) is the electron transfer transporting layer , indium tin oxide (ITO) as the anode, aluminum (Al) as a cathode was prepared by two different structures organic electroluminescent light emitting device ( OLED ) , ITO / MEH-PPV / Al and ITO/MEHPPV/Alq3/Al . Due to the introduction of the electron transport layer of Alq3 , so that electrons and holes in the number of the light emitting layer composite greatly improved, the luminescence properties of the device is improved . By comparing different thickness of the Alq3 is the impact on the luminance and luminous efficiency of the device , to determine the optimal thickness of the Alq3 . And use the theory of the energy levels of the experimental results of the preliminary analysis , explained the reasons for the differences in device performance .

Related Dissertations

  1. Preparation and Electrocaloric Effect of BaxSr1-xTiO3 Ferroelectric Thin Films,TB383.2
  2. Research on High Efficiency Interior Permanent Magnet Synchronous Motor,TM341
  3. Analysis of the narrative mode of the Yunnan Ethnic Movies and TV,J905
  4. Superresolution of Hyperspectral Images Based on Spatial-Spectral Information Coordination,TN911.73
  5. Research on the Doppler Wireless Location Techniques Based on DSSS,TN914.42
  6. The Simulation and Analysis of Spectrum Sensing Based on Higher Order Cumulants,TN911.23
  7. The Research and Implementation of Protein Classification Algorithm on the Basic of String Kernel,TP301.6
  8. A Study about the Stock Index Future’s Influence on the Stock Market,F224
  9. Yunnan Province, human capital, the network structure of critical efficiency factor,F249.27
  10. The Design and Performance Simulation of External Valve Small Displacement Pump,TE933.3
  11. Analyiss on Dicharge Environment and the Effect of of Dust Electrostatic Coagualation,X701.2
  12. Department of Bi-based Co-based oxide thermoelectric ceramics and thin films,TQ174.7
  13. Study on the Exergy Analysis of Photosynthetic Biological Continuous Hydrogen Production System,TQ116.2
  14. Investigation of Fabrication, Characterization and Property of Fuctional Titanium Dioxide Nanoporous Materials,TB383.1
  15. Preparation and Evaluation of Bio-Organic Fertilizers for Effective Control of Root-Knot Nematodes,S476.1
  16. Effect of Nitrogenapplication Patterns on Variation of Soil Nitrate-N and Grain Yield of Wheat and Maize,S512.11
  17. The Comparison and Contrast between the Health Care System in the United Kingdom and That in the United States,R199
  18. The Analysis of the Social Institution of Realization of Individual Value,B038
  19. High Efficiency Management Strategy of Mathematics Class Teaching of Lower Primary School Grades,G623.5
  20. The use of mathematical methods in language teaching,G633.3
  21. Iron-doped SnO \u003csub\u003e 2 \u003c/ sub\u003e ceramics and thin films research,TQ174.6

CLC: > Industrial Technology > Radio electronics, telecommunications technology > Semiconductor technology > Light-emitting devices >
© 2012 www.DissertationTopic.Net  Mobile