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:
Sep. 08, 2009
Filed:
Feb. 01, 2005
Seok-jong Lee, Suwon-si, KR;
Seung-gak Yang, Suwon-si, KR;
Hee-yeon Kim, Suwon-si, KR;
Young-kook Kim, Suwon-si, KR;
Seok-hwan Hwang, Suwon-si, KR;
Dae-yup Shin, Suwon-si, KR;
Young-rag DO, Seoul, KR;
Dong-hyun Jung, Suwon-si, KR;
Seok-Jong Lee, Suwon-si, KR;
Seung-Gak Yang, Suwon-si, KR;
Hee-Yeon Kim, Suwon-si, KR;
Young-Kook Kim, Suwon-si, KR;
Seok-Hwan Hwang, Suwon-si, KR;
Dae-Yup Shin, Suwon-si, KR;
Young-Rag Do, Seoul, KR;
Dong-Hyun Jung, Suwon-si, KR;
Samsung Mobile Display Co., Ltd., Yongin, KR;
Abstract
An Ir compound can be a blue phosphorescent material. An organic electroluminescent device can use such a material. An organic layer, such as a light emitting layer, can be composed of the Ir compound. An organic electroluminescent device including such an organic layer may exhibit high color purity and emits dark blue light. Such an organic electroluminescent device may have low consumption power.