高品质液晶显示器用轻薄背光源技术要点

Main Points of Backlight Technique for Good Performance TFT-LCD

以笔记本电脑用背光源为例,作为液晶显示器重要部件的背光源系统由二十几种三十多个零部件组成,其中导光板、棱镜膜、漫射膜、反射膜和灯管等部件最为重要,也决定着背光源系统的显示质量。本文通过对导光板用材料的实际试用和比较及对各种增强膜及灯管等部件原理及工作状态的分析,详细地从材料、性能、原理、特性等方面介绍了液晶显示器背光源的各组成及其相关技术要点,同时评述了液晶显示器用第三代背光源的前景。

The backlight unit, the important component of LCD, is composed of twenty categories and more than thirty parts, used in 14.1 inch note book PC. Among them, the light guide plate, lens film, diffuser film, reflector film and lamp etc. are the most important and they determine the quality of backlight unit. In this article,it describes the material, brightness enhancement films and lamp in detail. At the same time it reviews the prospect for the thirdstage backlight unit.