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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Yan Zhang Andreasson, M. Liu, J. Andersson, T. Hsuan-Yi Liao Watanabe, I. |
| Copyright Year | 2008 |
| Description | Author affiliation: Dept. of Microtechnol. & Nanosci., Chalmers Univ. of Technol., Gothenburg (Andreasson, M.; Andersson, T.; Hsuan-Yi Liao) || Adv. Interconnect Mater. Div., Hitachi Chem. Co. Ltd., Chikusei (Watanabe, I.) || Sch. of Mechatron. Eng. & Autom., Shanghai Univ., Shanghai (Yan Zhang; Liu, J.) |
| Abstract | Organic light emitting devices (OLEDs) is one of the most potentially interesting display technologies in the flat panel display (FPD) field. This paper investigates the effects of OLED structures and a perimeter encapsulation to protect the OLED from atmospheric exposure. Firstly, the electric features of the OLED devices with and without a copper phtalocyanine layer were measured, and the one with the additional buffer layer showed a lower turn-on voltage. Then the OLED device sample was encapsulated with a glass cover bonded to the substrate with an adhesive matrix containing micro-particles. The samples were stored in ambient conditions, and the IV characteristics were studied with shelf-time as a parameter. The measurement results indicated that the encapsulation had a significant improvement on the device operation. After two weeks of storage the encapsulated samples showed less degradation and the current density at a given operating bias was about fifty percent higher than without encapsulation. |
| Starting Page | 613 |
| Ending Page | 616 |
| File Size | 3675900 |
| Page Count | 4 |
| File Format | |
| ISBN | 9781424428137 |
| DOI | 10.1109/ESTC.2008.4684421 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2008-09-01 |
| Publisher Place | UK |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Encapsulation Buffer layers Anisotropic magnetoresistance Atmospheric measurements Electric variables measurement Organic light emitting diodes Copper Flat panel displays Protection Conductive adhesives |
| Content Type | Text |
| Resource Type | Article |
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