Pentacene TFT driven AM OLED displays

Pentacene organic thin-film transistors (TFTs)-driven active matrix organic light-emitting diode (OLED) displays has been investigated. This letter addresses several process issues unique to this type of display which are important in achieving bright and uniform displays. A bottom contact structure...

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Bibliographic Details
Published in:IEEE electron device letters 2005-09, Vol.26 (9), p.640-642
Main Authors: Lisong Zhou, Sungkyu Park, Bo Bai, Jie Sun, Sheng-Chu Wu, Jackson, T.N., Nelson, S., Freeman, D., Yongtaek Hong
Format: Article
Language:English
Subjects:
Active matrix organic light emitting diodes
Active-matrix organic light-emitting diode (AM OLED) display
Applied sciences
Backplanes
Contact
Costs
Devices
Displays
Electronics
Exact sciences and technology
Flat panel displays
Light-emitting diodes
Optoelectronic devices
Organic light emitting diodes
Organic thin film transistors
Pentacene
Semiconductor devices
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
Substrates
Temperature
Thin film transistors
thin-film transistors (TFTs)
Transistors
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Summary:Pentacene organic thin-film transistors (TFTs)-driven active matrix organic light-emitting diode (OLED) displays has been investigated. This letter addresses several process issues unique to this type of display which are important in achieving bright and uniform displays. A bottom contact structure was used to fabricate the pentacene TFT backplane. Polyvinyl alcohol and parylene were used to isolate the pentacene active layer and passivate the backplane. The low processing temperature may allow the use of polymeric substrates and lower cost processing. Uniform TFT performance is achieved with reasonably good mobility and on/off ratio on the backplane. The initial OLED display performance is also presented.
ISSN:0741-3106
1558-0563
DOI:10.1109/LED.2005.853654