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:
Dec. 30, 2008
Filed:
Aug. 11, 2005
Biing-nan Lin, Hsinchu, TW;
Cheng-chung Lee, Hsinchu, TW;
Yu-yang Chang, Hsinchu, TW;
Wei-yi Lin, Hsinchu, TW;
Biing-Nan Lin, Hsinchu, TW;
Cheng-Chung Lee, Hsinchu, TW;
Yu-Yang Chang, Hsinchu, TW;
Wei-Yi Lin, Hsinchu, TW;
Industrial Technology Research Institute, Hsinchu, TW;
Abstract
A quadrode field emission display is provided, where a low driving voltage is reached by an edge structure, and display in the dark is achieved by adding a sub-gate electrode. With respect to the electrical characteristics that an edge structure may raise the electric field intensity, an edge of a cathode plate through an opening of a gate layer is exposed, thereby forming the edge structure at an emitter to raise the electric field. It also reduces the driving voltage substantially. Therefore, the display in the dark is achieved by adjusting the voltage without changing the structure.