The highest part of the text screen in the market should only be the screen display, and the key material for the screen display is glass and crystal. Yes, that is, it needs to be reflected by other light sources, and the segment LCD can achieve the purpose. , We call it: and negative display. Today we will say what exactly is it, and where is it? The segment code liquid crystal segment display is showing, generally speaking, only the background color of the code screen is light-colored and the content of the article is dark and light-colored Liquid Crystal Display. The background is dark-colored characters, and the display clarity is relatively high LCD Display Module. The negative display of the segment code liquid crystal display is just the background color of the screen code screen, and the color of the light-colored text is light. The background content is light-colored characters, and the definition is lower, so the screen display of the negative segment code generally nee…