The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 25, 2011
Filed:
Dec. 15, 2004
Byung Doo Chin, Seongnam, KR;
Min Chul Suh, Seongnam, KR;
Mu Hyun Kim, Suwon, KR;
Seong Taek Lee, Suwon, KR;
Jang Hyuk Kwon, Suwon, KR;
Byung Doo Chin, Seongnam, KR;
Min Chul Suh, Seongnam, KR;
Mu Hyun Kim, Suwon, KR;
Seong Taek Lee, Suwon, KR;
Jang Hyuk Kwon, Suwon, KR;
Samsung Mobile Display Co., Ltd., Yongin, KR;
Abstract
An organic EL device in which light-emitting efficiency, color purity and laser induced thermal imaging characteristics are improved by providing with an organic EL device comprising a first electrode, a hole transport layer, a light-emitting layer, and a second electrode, wherein the light-emitting layer uses a mixture of an optically active low molecular electric charge transport material and a high molecular light-emitting substance.