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:
Oct. 20, 2009
Filed:
May. 27, 2005
Huai-yuan Tseng, Pingzhen, TW;
Yung-hui Yeh, Hsinchu, TW;
Huai-Yuan Tseng, Pingzhen, TW;
Yung-Hui Yeh, Hsinchu, TW;
Industrial Technology Research Institute, HsinChu, TW;
Abstract
A driving circuit for a light emitting element, electrically connected to a data line and a scan line and powered by a bias voltage so as to drive the light emitting element, comprising: a first transistor, further comprising: a first gate, electrically connected to the scan line; and a first drain/source, having a first node electrically connected to the data line and a second node; and a second transistor, further comprising: a second gate, electrically connected to the second node of the first drain/source; and a second drain/source, having a first node electrically connected to the bias voltage, and a second node electrically connected to the light emitting element; wherein, an insulation layer and a layer of non-volatile material is formed successively between the semiconductor layer and the second gate of the second transistor.