操作工具:笔记本电脑
外接显示器亮度调节的具体操作步骤如下:
1、点击开始菜单,选择控制面板。(如下图所示)
2、点击电源选项。(如下图所示)
3、界面最下方,拖动亮度条,即可实现亮度的调节。(如下图所示)
4、有两种选择模式,平衡模式和高性能模式。(如下图所示)
5、可根据需要点击模式后面的更改计划设置进行设置。(如下图所示)
显示器的工作原理:
从液晶显示器的结构来看,无论是笔记本电脑还是桌面系统,采用的LCD显示屏都是由不同部分组成的分层结构。LCD由两块玻璃板构成,厚约1mm,其间由包含有液晶材料的5均匀间隔隔开。
因为液晶材料本身并不发光,所以在显示屏两边都设有作为光源的灯管,而在液晶显示屏背面有一块背光板和反光膜,背光板是由荧光物质组成的可以发射光线,其作用主要是提供均匀的背景光源。
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