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분야
pptx2.Fabrication
3.Conclusion
LED's emissive electroluminescent layer is composed of a film of organic compounds.
This layer of organic semi-conductor material is formed between two electrodes, where at least one of the electrodes is transparent.
OLED can be used in many display devices.
Active matrix OLED has an integrated electronic backplane made from thin film transistors(TFTs)
Each pixel addressed independently
A defective pixel produces only a dark defect, which is considered to be much less objectionable than a bright point defect(such as in LCD panels), or a line defect
Easy and cheap to build
Limited to small sizes
Power consump-tion is not good as AMOLED
More expensive, more difficult to create
Can be used for larger displays
Power efficiency is good
ITO
IZO
Others on developing
-CNT film
-ZnO:Al
Why ITO? What another materials can be used?
How about flexible transparent plastic?
Yes, it’s flexible display!!
EIL: Electron Injection Layer
ETL: Electron Transfer Layer
EML: Emission Material Layer
HTL: Hole Transfer Layer
HIL: Hole Injection Layer
Backplane
OLED
Encap. & Scribing
Module process
1. Low work-functon
2. Easy deposition
3. Low activity
Y. X. Zheng, J. H. Qiu, S. Y. Wang and L. Y. Chen, J. Korean Phys. Soc. 46, S260 (2005).
W. J. Kim, Y. H. Lee, T. W. Kim and J. W. Hong, Tran. EEM. 6, 233 (2005).
Y. H. Lee, W. J. Kim, T. Y. Kim, J. Jung, J. Y. Lee, H. D. Park, T. W. Kim and J. W. Hong, Curr. Appl. Phys. 7, 409 (2007).
Y. H. Lee, W. J. Kim, T. Y. Kim, J. H. Yang, K. S. Cho, J. W. Hong, J. Y. Shin and T. W. Kim, Mol. Crys. Liq. Crys. 462, 143 (2007).
Eungki Lee, A study on the new substrate handler for the OLED
evaporating process system. Int J Adv Manuf Technol (2009) 44:360–371
Jeong-Hoon Lee. Fabrication of polymer organic light emitting diodes & Photovoltaic properties of organic solar cells. A Thesis for the degree of MASTER OF TEXTILE ENGINEERING, INHA University(2005)
Maennig B, Drechsel J, Gebeyehu D, Simon P, Kozlowski F, Werner A, Li F, Grundmann S, Sonntag S, Koch M, Leo K, Pfei®er M, Hoppe H, Meissner D, Sariciftci N S, Riedel I, Dyakonov V and Parisi J (2004)
Y. X. Zheng, J. H. Qiu, S. Y. Wang and L. Y. Chen, J. Korean Phys. Soc. 46, S260 (2005).
W. J. Kim, Y. H. Lee, T. W. Kim and J. W. Hong, Tran. EEM. 6, 233 (2005).
Y. H. Lee, W. J. Kim, T. Y. Kim, J. Jung, J. Y. Lee, H. D. Park, T. W. Kim and J. W. Hong, Curr. Appl. Phys. 7, 409 (2007).
Y. H. Lee, W. J. Kim, T. Y. Kim, J. H. Yang, K. S. Cho, J. W. Hong, J. Y. Shin and T. W. Kim, Mol. Crys. Liq. Crys. 462, 143 (2007).
Eungki Lee, A study on the new substrate handler for the OLED
evaporating process system. Int J Adv Manuf Technol (2009) 44:360–371
Jeong-Hoon Lee. Fabrication of polymer organic light emitting diodes & Photovoltaic properties of organic solar cells. A Thesis for the degree of MASTER OF TEXTILE ENGINEERING, INHA University(2005)
