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:
Nov. 04, 2014
Filed:
Jan. 17, 2013
Industrial Technology Research Institute, Hsinchu, TW;
Jing-Yi Yan, Zhubei, TW;
Shu-Tang Yeh, Tanzih Township, TW;
Chih-Chieh Hsu, Hsinchu, TW;
Chen-Wei Lin, Kaohsiung, TW;
Kuang-Jung Chen, Zhubei, TW;
Industrial Technology Research Institute, Hsinchu, TW;
Abstract
A light emitting device includes a substrate, and a plurality of light emitting structures disposed thereon. Each of the light emitting structures includes an auxiliary electrode disposed on the substrate, a first insulating layer disposed on the substrate and covering the auxiliary electrode, an electrode disposed on the first insulating layer, a second insulating layer disposed on the first insulating layer and having a first opening exposing the electrode, an organic light emitting layer disposed in the first opening, a cathode disposed on the organic light emitting layer, at least a conductive structure penetrating through the first insulating layer and the second insulating layer, and a closed ring structure disposed on the second insulating layer and around the cathode, wherein a thickness of the closed ring structure is larger than that of the cathode.