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:
Jul. 11, 2017
Filed:
May. 22, 2015
Lg Display Co., Ltd., Seoul, KR;
So Yeon Ahn, Seoul, KR;
Chang Wook Han, Seoul, KR;
Hong Seok Choi, Seoul, KR;
Seung Ryong Joung, Gimpo-si, KR;
Jung Soo Park, Seoul, KR;
Min Gyu Lee, Daegu, KR;
LG Display Co., Ltd., Seoul, KR;
Abstract
Disclosed is a white organic light emitting device. The white organic light emitting device includes a first emission part between a first electrode and a second electrode, a second emission part on the first emission part, and a third emission part on the second emission part. At least one of the first to third emission parts includes at least two emission layers including a red emission layer, and a position of the red emission layer is set to enhance a color reproduction rate and at least one of red efficiency, green efficiency, and blue efficiency.