Method of Driving a Field Emission Display
- Created on Saturday, 01 December 2007
This technology makes possible Field Emission Displays (FEDs) and Surface-conduction Electron-emitter Displays (SEDs) that can use a variety of less expensive cathode materials and types. The technology adjusts the output of the cathodes by using a monitoring circuit between the cathode and the anode (the visible phosphors), overcoming the poor picture quality that can result from emitters operating at different levels of effectiveness. With this technology, almost any kind of cathodes can be used in making display panels that have image quality as good as display panels made from carbon nanotube (CNT) cathodes, thus reducing manufacturing costs.
The technology places a monitoring circuit between the cathodes and the anodes, and adjusts the output of the emitter device. Thus, areas of poor picture quality are eliminated and emitting-efficiency instability in real time are overcome.
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