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:
Nov. 23, 2010
Filed:
Jul. 28, 2005
Hye-in Jeong, Yongin, KR;
Ok-keun Song, Yongin, KR;
Young-mo Koo, Yongin, KR;
Yong-han Lee, Yongin, KR;
Hye-In Jeong, Yongin, KR;
Ok-Keun Song, Yongin, KR;
Young-Mo Koo, Yongin, KR;
Yong-Han Lee, Yongin, KR;
Samsung Mobile Display Co., Ltd., Yongin, KR;
Abstract
An organic electroluminescent device comprising an organic layer is provided. The organic layer is an electron transport layer comprising an electron transport material and a blue emission material. This electron transport layer causes an increase in the blue emission efficiency and lifespan of the organic electroluminescent device while improving efficiency in red and green ranges, a driving voltage, a color coordinate, and the lifespan of the organic electroluminescent device are not changed.