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:
May. 08, 2018
Filed:
May. 22, 2017
Lg Display Co., Ltd., Seoul, KR;
Ki-Woog Song, Goyang-si, KR;
Sung Hoon Pieh, Seoul, KR;
Youn Seok Kam, Seoul, KR;
Tae Shick Kim, Yongin-si, KR;
Se Ung Kim, Seoul, KR;
Hyung June Kim, Paju-si, KR;
LG DISPLAY CO., LTD., Seoul, KR;
Abstract
Discussed is a white organic light emitting device for enhancing emission efficiency and panel efficiency. The white organic light emitting device can include a first emission part between a first electrode and a second electrode and configured to include a first emission layer (EML), a second emission part on the first emission part and configured to include a second EML, and a third emission part on the second emission part and configured to include a third EML. The first to third emission parts have an emission position of emitting layers (EPEL) structure in which the first to third emission parts have a maximum emission range in respective emission areas of the first to third EMLs.