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80年代,日本首先推出袖珍式液晶彩色电视机。实现了人们能随时观看电视节目的愿望。液晶电视机仅用几节干电池供电,屏幕薄,重量轻,它本身不发光,而是被动显示,不产生损害人体健康的X射线,而且可以在室外阳光下观看。这些优点使得液晶电视机的研制和生产发展十分迅速,现在国外已开始生产35cm(14英寸)以上的液晶彩色电视机。液晶电视机取代显像管电视机的趋势已经越来越明显。 (一)液晶盒的工作原理液晶电视机的重要突破是用液晶盒代替显像管作为电视机的显示器件。目前用得较多的液晶盒的结构如图1所示。盒内有两块相距10—15μm的玻璃基
80s, Japan first introduced pocket-sized LCD color TV sets. Realize the desire of people to watch TV programs at any time. LCD TV with only a few sections of dry battery-powered, thin screen, light weight, it does not light itself, but passive display, does not produce X-rays that harm human health, and can watch in outdoor sunlight. These advantages make the LCD TV development and production of very rapid development, and now has begun production of foreign 35cm (14 inches) LCD color TV. LCD TVs to replace the CRT TV trend has become increasingly evident. (A) the working principle of the LCD TV An important breakthrough LCD TV is replaced by a liquid crystal display tube as a television display device. Currently used more liquid crystal cell structure shown in Figure 1. The box has two glass substrates 10-15 μm apart