摘要 |
<p>Provided is an electroluminescent device comprising an organic layer interposed between an anode and a cathode on a substrate, wherein the organic layer includes an electroluminescent layer containing one or more dopant compound (s), and the dopant compound is a mixture of not less than 80 % by weight and less than 100 % by weight of the cis-form and more than 0 % by weight and not more than 20 % by weight of the trans-form: The electroluminescent device, which includes a mixture of not less than 80 % by weight and less than 100% by weight of a dopant having cis configuration and more than 0 % by weight and not more than 20% by weight of the dopant having transconfiguration, exhibits superior luminous efficiency, good color purity and excellent operation life.</p> |
申请人 |
GRACEL DISPLAY INC.;JUNG, SEYOUNG;JEONG, EUI SOO;LEE, HO JOON;CHO, YOUNG JUN;KWON, HYUCK JOO;KIM, BONG OK;KIM, SUNG MIN;YOON, SEUNG SOO |
发明人 |
JUNG, SEYOUNG;JEONG, EUI SOO;LEE, HO JOON;CHO, YOUNG JUN;KWON, HYUCK JOO;KIM, BONG OK;KIM, SUNG MIN;YOON, SEUNG SOO |