LCD stands for Liquid Crystal Display. The LCD screen consists of two glass plates with a liquid crystal (LC) layer in between. LCD screens are low energy consumption flat screens.
Display modules are modular prints with a TFT, OLED, LCD or some LEDs. These modules can be used with almost any microcontroller.
Customer reviews about LCD Displays
Nick FrissenI2C LCD interface moduleWorks well, just solder it on your LCD and it's ready to use. (It is possible that the contrast is not correct from the factory, but this is easy to adjust with the potentiometer)
Peter20x4 Characters lcd module blueProduct works well, I use it with the recommended I2C interface, read the PDF file and it works like this!