碳纳米管场致发射平面背光源  

Planar Backlight Units Based on Carbon Nanotubes Field Emission Display

作　　者：游玉香[1] 苏艺菁[1] 叶芸[1] 汤巧治[1] 张杰[1] 张永爱[1] 郭太良[1] 

机构地区：[1]福州大学物理与信息工程学院光电显示技术研究所,福建福州350002

出　　处：《液晶与显示》2010年第4期527-530,共4页Chinese Journal of Liquid Crystals and Displays

基　　金："863"重大专项资助项目(No.2008AA03A313);福建省自然科学基金资助项目(No.2009J05145);福建省教育厅科技资助项目(No.JA08005)

摘　　要：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25.4cm(10in)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1.76V/μm时,CNT场致发射平面背光源器件的亮度为6500cd/m2,亮度均匀性为89%,可应用于液晶显示器的背光源。The carbon nanotubes（CNT）cathodes were obtained by electrophoretic deposition（EPD）and sealed into a prototype of 25.4 cm（10 in）field emission backlight units（FE-BLU）.The electrophoresis suspension with CNT was fabricated by a series of processes which included acid-treating,ballmilling and ultrasonic dispersing,and so on.The morpho-logy of CNT cathode sample was observed by scanning electron mircroscope（SEM）.The field emission properties of FE-BLU were characterized in vacuum,which can be applied to LCD.Results showed that CNT FE-BLU demonstrated a good performance of luminance brightness 6 500 cd/m^2 with electric field of 1.76 V/μm,and the brightness uniformity was up to 89%.

关 键 词：碳纳米管 背光源 电泳 场致发射 

分 类 号：TN873.95[电子电信—信息与通信工程]