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当今,计算机技术巳经渗透到各个领域。尤其是办公室自动化、联网通信和工业自动化用机的普及,使得全世界每天都有千百万人工作在由脉冲形成数万伏以上高压激励的荧光屏面前(一米之内),他们连续工作时间通常都在数小时以至于十几小时以上,而且对于不少人来说是终身如此,这是人体的视觉和身心健康的基本要求所不能容许的。随着计算机的广泛应用和价格的下降,它已成为常用设备、仪器和系统中不可缺少的一个部分,这就迫切要求它尽量地小型化和安装的可靠性。所有这些,都使以电子枪为主体的(CRT)荧光屏显示陷入困境。一种能基本达到现代显示要求
Today, computer technology has penetrated into various fields. In particular, the popularity of office automation, networked communications and industrial automation has led millions of people around the world to work in front of (within one meter) a fluorescent screen that is pulsed to create a high voltage excitation of tens of thousands of volts every day. Their continuous working hours Usually in a few hours or more than ten hours, and for many people is life-long, which is the basic requirements of the human visual and physical and mental health can not be tolerated. With the widespread use of computers and falling prices, it has become an indispensable part of common equipment, instruments and systems, which urgently requires miniaturization and installation reliability. All of these make the electron gun-based (CRT) phosphor screen in trouble. One can basically meet the requirements of modern display