Key Lab of Organic Optoelectronics & Molecular Engineering of Ministry of Education, Department of Chemistry, Tsinghua University
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DOI:
10.7502/j.issn.1674-3962.2016.02.03
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Abstract:
Organic light-emitting diodes (OLEDs) are solid state light emitting devices. They have broad prospects in the field of wearable devices owing to their flexibility nature, low driving voltage and low power consumption. Small to medium size OLED displays have already been commercialized. Large OLED TVs and OLED lightings have also emerged in real applications. We reviewed the most focused issues as well as the main progress in the field of flexible OLED technology in the recent years. The developing trends of flexible substrate material, flexible thin film transistor material, flexible OLED emitting layer and flexible thin film encapsulation layer are summarized. We also introduce some emerging flexible device fabrication technologies, such as flexible fabric substrate, polymer fibre based light emitting cell, the symmetric panel stacking device structure and slot-die coating technology. Lastly, we look to the prospect of the flexible OLED materials and devices technology.