LCD is the abbreviation of Liquid Crystal Display, which translates to liquid crystal screen.
LCM is the abbreviation of LCD Module, which is the abbreviation of LCD display module, liquid crystal module, translated that is LCD display module, liquid crystal module.
LCD and LCM difference:
LCD LCD module type, LCD module by process type can be divided into COB (Chip On Board) LCD module and COG (chip on glass) LCD module two types. More according to the backlight type, backlight color, LCD type and other different divisions.
There is another more important classification of LCM LCD module, according to the classification of display content and mode, which can be divided into character LCD module, graphic dot matrix LCD module and pen type LCD module. Specific reference can be made to the Hongcai manufacturers 2.4 inch display, 2.8 inch display category.
Concept perspective. LCD (Liquid-Crystal Display) is the liquid crystal display, LCM (Liquid-Crystal Module) is the liquid crystal module.
Industry perspective. LCD is the big concept, is a proxy for the liquid crystal display industry, while LCM can not be used as a proxy for liquid crystal;.
Product perspective. LCD represents the front section of the product or process, while LCM represents the back section of the product or process. LCD refers specifically to the LCD screen (LCD Panel part that is Cell), while LCM is a combination of the following modules: LCD Panel + ACF + Driver IC + PCB + FPC + B/L Module + iron frame.
Production perspective. For small and medium-sized LCD screens, LCD manufacturers mainly do LCD screens, LCM manufacturers to buy the former LCD screen and then combine other modules to become modules, an LCD can supply multiple LCM with the screen, LCM factory can also purchase several LCD factory screen; for large-size LCD screens (such as LCD TV), basically are LCD factories to do a good job of selling their own modules, TV factory to buy is the module. Can directly do TV.