Organic light-emitting diode

   
   

This invention features a dipyrazolo-pyridine compound of formula (I): ##STR1## each of R.sub.1, R.sub.2, R.sub.3, and R.sub.4, independently, is H, alkyl, alkenyl, cycloalkyl, aryl, or heteroaryl; and each of R.sub.5 and R.sub.6, independently, is aryl or heteroaryl, or R.sub.5 and R.sub.6, together with the N atom they are attached to, are heteroaryl. The dipyrazolo-pyridine compound can be used in an electro-luminescence device.

Esta invención ofrece un compuesto del dipyrazolo-dipyrazolo-pyridine del fórmula (i): ## del ## STR1 cada uno de R.sub.1, R.sub.2, R.sub.3, y R.sub.4, es independientemente H, alkyl, alkenyl, cycloalkyl, aryl, o heteroaryl; y cada uno de R.sub.5 y de R.sub.6, es independientemente aryl o heteroaryl, o R.sub.5 y R.sub.6, junto con el átomo de N se unen a, son heteroaryl. El compuesto del dipyrazolo-dipyrazolo-pyridine se puede utilizar en un dispositivo de la electro-luminescencia.

 
Web www.patentalert.com

< Switching element having insulative film and organic film and electroluminescent element display device

< Biochemical devices and their methods of manufacture

> Circuit for and method of driving current-driven device

> Efficient organic electroluminescent devices with red fluorescent dopants

~ 00153