A liquid crystal display module referred to as “LCM”, is a kind of LCD display device, connector, integrated circuit, PCB circuit board, backlight, and structural components assembled together. It mainly completes the connection function of LCD.
Classification of liquid crystal display modules
1. Digital LCD module
Segment LCD display devices are mostly used in portable and pocket devices. Because the equipment is small in size, so as far as possible not to show part of the design in separate parts, even though some applications require a separate display component, they should also make it, besides has the display function should also have some information receiving, processing, storage, transfer, and other functions, because they have some general and specific function and welcome by the market. Common digital display LCD modules have the following several.
2. Counting module
This is a seven-segment liquid crystal display device with different bits and decoder driver, plus counter assembly into a counter display unit. It has the function of recording, processing, and displaying Numbers.
3. Measuring module
The metering module is A module composed of multiple-segment LCD display devices and integrated circuit chips with decoding, driving, counting, and A/D conversion functions. Because the integrated circuit used has an A/D conversion function, it can be input analog signals into a digital quantity display. We know that any physical quantity, even chemical quantity (such as ph, etc.) can be converted into analog electric quantity, so as long as equipped with a certain number of sensors, this module can realize any amount of yield and display, which is very convenient to use.
4. Timing module
The timing module has the longest history of using liquid crystal display devices for timing. Since it does not have a finished clock shell, it is called a timing module. The number displayed by the timing module is composed of two sets of Numbers because many timing modules also have timing and control functions, so this kind of module can be widely assembled for some power, equipment, such as radio recorders, CD machines, microwave oven, rice cooker, and other electrical appliances.
5. LCD dot matrix character module
LCD dot matrix character module is composed of a dot matrix character LCD display device, special line and column driver, controller, and necessary connecting parts and structural parts, which can display digital and western characters. The dot-matrix character module itself has a character generator with a large display capacity and rich functions.
6. Dot-matrix graphics liquid crystal module
Lattice graphics LCD module is also a kind of lattice module, which is characterized by the continuous arrangement of pixels in a lattice, with no empty space in the arrangement of rows and columns. Therefore, continuous and complete graphics can be displayed. Since it is also composed of x-y matrix pixels, it can display characters in addition to graphics. There are mainly the following types:
Row and column driven
Row and column driven – controlled
Row and column control
The main parameters of the LCD module
Resolution
Contrast
brightness
Signal response time
Visual Angle
Classification of TFT LCD Display Modules
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