发光二极管光柱显示器

LED Bar Graphic Display

介绍了发光二极管光柱显示器的结构、工作原理及驱动电路。从应用角度出发 ,介绍了光柱式压力表。这种光柱式压力表具有响应速度快和重量轻等优点 ,是一种全电子式的表头 。

The principle and structure of LED bar graphic display were described. The two types of structures of LED bar graphic display devices (grating type and scatter type) were given. The advantage and shortcoming of the two types were described. The driving circuit was also presented. In view of application, bar graphic type pressure meter was described. This bar graphic type pressure meter has the features of response speed fast, weight light and so on. This is a full electronic type meter, it is believed that it will have wide application.