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The Fabrication and Characterization of Organic Light-Emitting Diodes by Using Laser Patterned Anode
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- Authors
- Shin Jin-Wook, Cho Doo-Hee, Lee Jeong-Ik, Lee Jonghee, Lee Joo-Won, Han Jun-Han, Chu Hye Yong
- Issue Date
- 2010-08
- Citation
- Journal of Nanoelectronics and Optoelectronics, v.5, no.2, pp.161-164
- ISSN
- 1555-130X
- Publisher
- American Scientific Publishers
- Language
- English
- Type
- Journal Article
- Abstract
- We fabricated blue fluorescent organic light-emitting diodes (OLEDs) by using a laser patterned ITO anode. An indium tin oxide (ITO) layer was defined directly with an infrared laser system (wavelength = 1064 nm), which was carried out at an optimum laser focal position, 1 W of laser power and 500 m/s of laser scanning speed. As a result, the problems with the laser patterning method, such as a shoulder at the ITO/glass edge, crack on the surface, and ITO debris were minimized. Moreover, we found that the OLED with laser patterned ITO showed almost similar electrical and optical properties to that of ITO that was patterned by photo-lithography. Copyright © 2010 American Scientific Publishers All rights reserved.
- KSP Keywords
- 1064 nm, Electrical and optical properties, Focal position, Infrared laser, Laser Scanning, Laser patterning, Organic light-emitting diodes(OLEDS), Patterned ITO, Patterned anode, Scanning speed, fabrication and characterization