| 摘要 |
<p>OLED materials are provided that have the general formula: R1-(Ari)n-R2 wherein the subscript n is an integer of from 5 to 15; the superscript i is an integer of from 1 to n and denotes the position downstream from R1; each Ari is a substituted or unsubstituted aryl group; R?1 and R2¿ are each substituents that increase the solubility of the para-phenylene compound in nonpolar organic solvents relative to the solubility of the corresponding compound wherein R?1 and R2¿ are hydrogen; with the proviso that the Ari groups are linked together in a 1,4-paraphenylene manner.</p> |
