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. 25, 2010
Filed:
Mar. 08, 2006
Chun-hui Yang, Fuli Township, Hualien County, TW;
Cheng-hung Lin, Hemei Township, Changhua County, TW;
Chun-Hui Yang, Fuli Township, Hualien County, TW;
Cheng-Hung Lin, Hemei Township, Changhua County, TW;
Au Optronics Corporation, Hsinchu, TW;
Abstract
A white organic light-emitting diode includes two symmetric emission layers and a middle emission layer. The two symmetric emission layers emit a first color light with approximately the same frequency components. The middle emission layer is located between the two symmetric emission layers. The middle emission layer emits a second color light with frequency components different from main frequency components of the first color light. When the voltage applied to the organic light-emitting diode changes and leads to a decrease of luminescent intensity of one of the symmetric emission layers, the other symmetric emission layer automatically increases the luminescent intensity to compensate for the reduced light intensity.