Difference Between LCD Dot Matrix LCD Screen And Segment Code LCD Screen

Generally speaking, the dot matrix LCD screen can display graphics, Chinese characters and characters, and the displayed content can be changed by your software. Graphics, Chinese characters and characters can also be displayed on the broken code screen, but the display positions of graphics and Chinese characters on the segment code screen are fixed. Only "8" or "meter" can be changed. Now let's see how the specific display effect is.

1. The dot matrix LCD screen is arranged in a certain order. Generally, there are graphic dot matrix LCD modules. It consists of multiple points. By controlling these points, characters or graphics can be displayed, and functions such as up and down scrolling, left and right scrolling, and animation can be realized. For example, a 12864-dot LCD screen has 64 vertical dots and 128 horizontal dots, so a total of 128*64 dots.

2. Segment LCD screen is also called pen segment LCD, which refers to a fixed LCD screen that is displayed or not displayed at a specified position. It can only be used for simple digital and character display, mainly replacing LED digital tubes (by 7 pens). segment, used to display numbers 0 ~ 9), such as clocks, landlines, calculators, etc. The displayed contents are all simple numbers. The main difference between dot-matrix LCD and segment code is that segment-code LCD intelligently displays characters and numbers, while dot-matrix LCD can display not only numbers, but also Chinese characters and images, and segment-code LCD is much cheaper.