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:
Oct. 18, 2016
Filed:
Mar. 08, 2011
Ja-hyun Im, Yongin, KR;
Ji-hwan Yoon, Yongin, KR;
Byung-hoon Chun, Yongin, KR;
Bum-suk Kim, Yongin, KR;
Ja-Hyun Im, Yongin, KR;
Ji-Hwan Yoon, Yongin, KR;
Byung-Hoon Chun, Yongin, KR;
Bum-Suk Kim, Yongin, KR;
Samsung Display Co., Ltd., Yongin-si, Gyeonggi-Do, KR;
Abstract
An organic light-emitting device and a method of manufacturing the same. The organic light-emitting device includes a substrate, a first electrode formed on the substrate, a second electrode, an emission layer between the first electrode and the second electrode, a hole transport layer between the first electrode and the emission layer, and an electron transport layer between the second electrode and the emission layer. The hole transport layer includes a first hole transport unit comprising: a first hole transport layer comprising a hole transporting material, a third hole transport layer formed on the first hole transport layer and comprising a charge generating material; and a fifth hole transport layer formed on the third hole transport layer and comprising the hole transporting material.