| 摘要 |
An organic thin film transistor containing a compound represented by one of the following formulae in a semiconductor active layer has a high carrier mobility and a small change in the threshold voltage after repeated driving. X represents S or O, Z represents a substituent having a length of 3.7 Å or less, and at least one of R1 to R8 represents -L-R wherein L represents alkylene, etc., and R represents alkyl, etc. |
