Journal
SEMICONDUCTOR SCIENCE AND TECHNOLOGY
Volume 34, Issue 10, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/1361-6641/ab3c40
Keywords
solution-processed organic thin film transistor; liquid crystalline polymer photo-polymerized; organic light-emitting diode array
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Funding
- Samsung Display Co.
- Brain Korea 21 Plus Project - Ministry of Education of Korea
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We develop a solution-processed organic thin-film transistor (S-OTFT) with high stability and uniformity using a liquid crystalline polymer (LCP) as a gate insulator. It is found that the liquid crystal order in the LCP is one of critical factors governing the electrical properties of the S-OTFT. The photo-polymerized LCP layer exhibits the chain ordering which significantly improves the dielectric characteristics of the insulator layer and the reliability of the S-OTFT. A prototype array of 3 x 3 solution-processed organic light-emitting diodes integrated with the S-OTFTs based on the LCP insulator shows the high uniformity of light emission during operation.
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