通过酸化、球磨、超声分散等工艺制备碳纳米管(Carbon Nanotubes,CNT)悬浮液,利用电泳沉积技术制备CNT阴极,并真空封装制备成25.4 cm(10 in)的CNT场致发射平面背光源器件.采用扫描电子显微镜对CNT阴极样品的表面形貌进行表征,并对器件的场致发射性能进行测试.结果表明,当电场为1.76 V/μm时,CNT场致发射平面背光源器件的亮度为6 500 cd/m2,亮度均匀性为89%,可应用于液晶显示器的背光源.
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