| 摘要 |
An apparatus and method of employing self-assembled molecules to function as an electron injection layer of organic light emitting diodes (OLEDs) uses self-assembled molecules to function as an electron injection layer. A dipolar self-assembled molecules film is formed on a cathode metal layer to serve the electron injection layer. The self-assembled molecules have dipolar properties. The doner and the cathode metal layer form a key bond. The resulting dipolar direction formed in the self-assembled molecules can increase electron injection efficiency, thereby increase light emitting efficiency of OLED elements and reduce the threshold voltage of the OLED elements.
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