微放电阵列构成的直流平板等离子体显示技术  

Plasmas Display Panel with Micro-discharge Array

作　　者：江超[1] 王又青[1] 

机构地区：[1]华中科技大学激光技术国家重点实验室

出　　处：《液晶与显示》2006年第2期124-128,共5页Chinese Journal of Liquid Crystals and Displays

基　　金：湖北师范学院科研项目(No.2003B20);湖北省教育厅重点项目(No.D20062202);黄石市科技局2005年项目

摘　　要：设计了一种新颖的放电结构，它是由“微空心阴极放电”与“封闭微空心阴极放电”串联，然后并联构成的微放电阵列。它产生的高气压高电流密度辉光放电等离子体能够用来制作平面等离子体显示或光源。利用该放电结构进行了空气直流放电实验，在2．7～66．7kPa的气压范围都能够产生稳定的直流放电。测量了气压P=27kPa时的伏安特性和电流I=9mA时的放电图。测得的伏安特性曲线在整个放电区域都具有正的微分电阻特性。估算的电流密度为63．7A／cm^3；功率密度为3．44×10^3W／cm^3；电子密度在10^13cm^-2量级。实验结果表明该结构能够用于直流平板等离子体显示。A novel discharge device is designed based on the configuration of micro-hollow cathode discharge （MHCD）. It is composed of MCHD and closed micro-hollow cathode discharge in series, and then in parallel connection to form the micro-discharge array. With the micro-discharge array, the glow discharge plasmas with high-pressure and high-current density can be formed to make DC plasma display panel. The air discharge experiment is finished with the discharge device, and the stable direct current glow discharge is formed from 2.7 kPa to 66.7 kPa. The volt-ampere characteristic curve and discharge photograph are noted at p=27 kPa and I=9 mA. The volt-ampere characteristic curve has a positive differential resistance coefficient on the whole discharge area. The estimated current density is 63.7A/cm^3, the power density is 3. 44 × 10^3 W/cm^3, and the electron density is in the order of 10^13 cm^-3. The experiment results show that the designed discharge device is appropriate for the plasma display panel.

关 键 词：直流平板等离子体显示 气体放电 微空心阴极放电 封闭微空心阴极放电 

分 类 号：TN873.94[电子电信—信息与通信工程] O521.2[理学—高压高温物理]