What Is The Difference Between LCD And LCM?

- Aug 20, 2018 -

What is the difference between LCD and LCM?


The difference between LCD and LCM

LCD is the abbreviation of Liquid Crystal Display. It is a display. Mainly refers to: the LCD panel, including polarizers, color filters, liquid crystal glass (glass clip LCD), TFT control.

The LCD is a display screen (LCD liquid crystal screen), and the LCM is a collection of various devices including a LCD, a chip for controlling the display mode and content of the LCD, and a circuit board. It can be said that the LCD is the foreground for displaying content, and the LCM is the entire operating system including the foreground. But in fact, in general, both are treated as the same meaning.

Main difference

1. LCM with font library, LCD basically does not have a font.

2. LCD is a liquid crystal display, generally refers to a separate screen; LCM is a liquid crystal display module, which includes a corresponding driving circuit and control circuit, which can be directly connected to the single chip microcomputer.

The LCD module is simply a LCD screen + LED backlight + PCB board + iron frame. The module is mainly divided into screen and backlight components. The two parts are assembled together, but they are independent of each other (ie, the circuit is not relevant).

The principle of liquid crystal display is that the backlight assembly emits a uniform surface light, and the light is transmitted to our eyes through the liquid crystal screen. The function of the screen is to process the light by pixel to display the image.


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