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URN etd-0830107-085545 Statistics This thesis had been viewed 3627 times. Download 529 times. Author Yi-jui Pan Author's Email Address No Public. Department Electro-Optical Engineering Year 2006 Semester 2 Degree Master Type of Document Master's Thesis Language zh-TW.Big5 Chinese Page Count 94 Title FABRICATING AND INVESTIGATING CARBON NANOTUBE FIELD EMISSION BACKLIGHT PANEL BY REFLECTIVE-TYPE METAL-GROOVE-PLATE ANODE AND LONG-NARROW-STRIP CATHODES Keyword field emision backlight units backlight units field emision Abstract The study of this paper is to use reflective metal groove plate anode and long narrow strip cathodes to fabricate a 7 inches carbon nanotube field emission backlight panel (CNT-FEBP) for the light source of liquid crystal displays (LCDs). We designed novel reflective metal groove plates as the anode, and there are different groove structures on them. By mixing the white color phosphor and cellulose acetate butyrate (BCA) solution and spraying it uniformly on the groove surface, then the metal groove plate was fixed on the indium tin oxide (ITO) glass substrate. In cathode, thick film screen printing method was used to print long narrow strips of CNT paste on the surface of cathode electrode that had been fabricated by the same method. And, the anode and cathode plates have been set up in the vacuum chamber for the measurements.
The reflective metal groove plate had five advantages listed in the following：
1.It can sustain high field emission current.
2.It can quickly deliver the space charges from the phosphor surface to the outside chamber by the anode circuit.
3.It can rapidly transmit the thermal energy of the anode created by the electron bombardment and reduce the anode temperature.
4.It has groove structure and reflective surface which can increase the illumination area and light uniformity outside the panel.
5.No spacers in packaging the backlight panel, it can avoid the fracture of the glass within vacuum pumping.
We successfully fabricated a 7 inches backlight panel with the light coming out from the cathode plate. With one diffuser and two brightness enhanced films (BEFs), the results showed that the illumination of 11530nits at high uniformity with the applied voltage of 3.75KV was demonstrated and I-V measurements were also illustrated.
Advisor Committee Woo-hu Tsai - advisor
Jyi-tsong Lo - co-chair
Tsung-hui Tsai - co-chair
Files Date of Defense 2007-07-18 Date of Submission 2007-08-30