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Characterization of a high voltage flat panel display unit using nanotube-based emitters
1Department of Physics, Guangdong Province Key Lab of Display Material and Technology, Institute of Condensed Matter Physics, Zhongshan University, Guangzhou, People's Republic of China.
Ultramicroscopy
|January 5, 2002
Summary
This study investigated carbon nanotube-epoxy composites for field electron emission displays. Optimized fabrication could lead to near-market prototypes of high-voltage field emission flat panel displays.
Area of Science:
- Materials Science
- Physics
- Electronics Engineering
Background:
- Field emission displays (FEDs) offer potential advantages over traditional displays.
- Carbon nanotubes (CNTs) are promising electron emitters due to their unique properties.
- Developing reliable and efficient CNT-based electron sources is crucial for FED commercialization.
Purpose of the Study:
- To characterize the field electron emission properties of a carbon nanotube-epoxy composite for flat panel display applications.
- To analyze the influence of device structural parameters on electron emission current and uniformity.
- To assess the feasibility of using this material for high-voltage field emission flat panel display prototypes.
Main Methods:
- Experimental investigation of direct emission current-voltage characteristics.
- Analysis of emission current proportion through a gate electrode aperture.
- Evaluation of uniformity and display characteristics of a prototype unit.
Main Results:
- The study detailed the dependence of current-voltage characteristics on vacuum gap spacing.
- Variations in emission current proportion were observed with changing structural parameters.
- Uniformity and display characteristics of a typical unit were assessed.
Conclusions:
- The carbon nanotube-epoxy composite shows potential for field electron emission applications.
- Further advancements in fabrication and assembly techniques are necessary.
- The findings suggest the feasibility of producing near-market prototypes for high-voltage field emission flat panel displays.
