There are many, such as liquid crystal display screen classification: according to the product use, can be divided into communication tools, household appliances, handheld computer, transportation, metering equipment, instruments, apparatus, and entertainment facilities and other categories; according to the display mode, can be divided into positive, negative two; according to the optical pattern, can be divided into as the reflection, transmission, transflective type, holographic type 4 categories; according to LCD categories, can be divided into TN type, HTN type, STN type, FSTN type; according to the color mode, can be divided into yellow, gray, black, white, blue and so on; according to the observation direction, can be divided into 6 at twelve o'clock, and etc..

The liquid crystal display module (LCM) can be classified according to the processing, can also be in accordance with the classification of the types of display content. According to the machining process is divided into: COG, TAB, COF, COB module; according to the type of display content can be divided into: graphic type, character type, segment type.