We investigated a high-brightness field-emission flat-panel lighting source based on a carbon-nanotube cold cathode. A flat-panel lighting source with a triode structure was fabricated. The maximum luminance of 110000cd∕m2 was achieved at a green wavelength at the phosphor screen voltage of 10kV and a current density of 200μA∕cm2. The YAGG:Tb phosphor property under high current density is also discussed.
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Zhang et al. (2008) studied this question.
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