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Current-Voltage-Luminance Characteristics Depending on a Direction of Applied Voltage in Organic Light-Emitting DiodesCurrent-Voltage-Luminance Characteristics Depending on a Direction of Applied Voltage in Organic Light-Emitting Diodes
- Other Titles
- Current-Voltage-Luminance Characteristics Depending on a Direction of Applied Voltage in Organic Light-Emitting Diodes
- Authors
- SangKeolKim; JinWoongHong; TaeWanKim
- Issue Date
- 2002
- Publisher
- 한국전기전자재료학회
- Keywords
- Organic light-emitting diodes; Current-voltage-luminance characteristics; Negative differential resistance
- Citation
- Transactions on Electrical and Electronic Materials, v.3, no.1
- Journal Title
- Transactions on Electrical and Electronic Materials
- Volume
- 3
- Number
- 1
- ISSN
- 1229-7607
- Abstract
- We have investigated current-voltage-luminance characteristics of organic light-emitting diodes based on TPD/Alq3 organics depending on the application of forward-backward bias voltage. Luminance-voltage characteristics and luminous efficiency were measured at the same time when the current-voltage characteristics were measured. We have observed that the current-voltage characteristics shows a reversible current maxima at low voltage, which is possibly not related to the emission from Alq3. Current-voltage-luminance characteristics imply that the conduction luminance mechanism at low voltage is different from that of high voltage one.
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Related Researcher
- Kim, Tae Wan
- Engineering (Applied Science)