V2EX light guide plate

Light Guide Plate

释义 Definition

light guide plate(简称 LGP):导光板。一种透明或半透明的光学板材(常见为亚克力 PMMA 或 PC),用于把光源(多为侧入式 LED)的光在板内传播并通过微结构均匀“出光”,以形成均匀的面光源,常见于 LCD 背光、灯箱与指示牌。

发音 Pronunciation (IPA)

/lat ad plet/

例句 Examples

The tablet’s screen uses a light guide plate to spread the LED light evenly.
这款平板的屏幕使用导光板来把 LED 光线均匀铺开。

In an edge-lit backlight module, the light guide plate works with diffuser and prism films to achieve high brightness uniformity.
在侧入式背光模组中,导光板会与扩散膜、棱镜膜配合,以实现高亮度的均匀性。

词源 Etymology

这是一个由三部分组成的复合名词:light(光)+ guide(引导)+ plate(板)。该术语主要在显示与照明工程领域中发展起来,随着 LCD 背光技术(尤其是侧入式背光)的普及而被广泛使用,用来指代“把点/线光源转换为均匀面光源的板状导光元件”。

相关词 Related Words

文学与著作中的用例 Literary Works

该词更常见于工程技术写作、标准与专利中,而非小说诗歌。以下类型作品中经常出现:

  • Handbook of Visual Display Technology(《视觉显示技术手册》)等显示技术参考书中关于背光模组(Backlight Unit, BLU)的章节
  • Liquid Crystal Displays: Fundamentals and Applications(《液晶显示:基础与应用》)等教材/专著对侧入式背光结构的描述
  • SPIE(国际光学工程学会)显示与照明相关论文集(Proceedings)中关于导光板微结构设计与均匀性优化的研究
  • 多国显示与照明领域专利文本(例如以 “light guide plate” 为标题或关键部件描述的背光模组专利)
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