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:
Mar. 19, 2019
Filed:
Nov. 13, 2015
Nanyang Technological University, Singapore, SG;
Xiaowei Sun, Singapore, SG;
Hilmi Volkan Demir, Singapore, SG;
Swee Tiam Tan, Singapore, SG;
Yongbiao Zhao, Singapore, SG;
NANYANG TECHNOLOGICAL UNIVERSITY, Singapore, SG;
Abstract
According to one embodiment, an organic light emitting device is described including a first light emitting unit, a second light emitting unit and a charge generation layer wherein the second light emitting unit is stacked over the first light emitting unit and is connected to the first light emitting unit by means of the charge generation layer and wherein the charge generation layer includes an electron transport layer, a transition metal oxide layer arranged over the electron transport layer and a diffusion suppressing layer arranged between the electron transport layer and the transition metal oxide layer to separate the electron transport layer from the transition metal oxide layer.