What are the accessories of the lcm module?

The liquid crystal display module is a component that assembles a liquid crystal display device, a connector, an integrated circuit, a PCB circuit board, a backlight, and a structural member. The English name is “LCD Module”, referred to as “LCM”, and Chinese is generally called “liquid crystal display module”. In fact it is a commercial part. According to the provisions of China's relevant national standards: only the non-detachable integrated components are called "modules", and the detachable is called "components". Therefore, the name of the specification should be called "liquid crystal display component". But for a long time people have become accustomed to calling it a "module."

LCM English is called liquid crystal module, which refers to liquid crystal display module, which usually includes LCD display drive circuit, interface circuit and so on. Often made in the form of a module. Including LCD LCD screen, iron frame, iron frame, PCB circuit board, driver IC, control IC, backlight, etc., where the IC package is hard-packed, COB bonding, TAB IC package on the film line , COF is equipped with IC fixed flexible circuit board and so on. There is also a direct reverse IC fixed on the glass of the LCD called COG. LCMs typically also include a backlight (CCFL) and driver circuitry.

Polarizer, backlight, control panel. The liquid crystal is in the two glass LCM liquid crystal modules mainly between glass, liquid crystal and glass, and does not emit light by itself; according to the electro-optic effect, the liquid crystal material can be divided into active liquid crystal and inactive liquid crystal, wherein the active liquid product has High light transmission and controllability. The liquid crystal panel uses active liquid crystal, and the brightness and color of the liquid crystal panel can be controlled by a related control system. According to its characteristics, it can be divided into TN, STN, HTN, ESTN and TFT.

TN, STN, HTN.FSTN are mainly used in industry, such as telephones, POS machines, etc.; computers, mobile phones, etc. are all used TFT. The display color can be divided into monochrome and color; Yellow green, gray, blue and other colors.

LCM parts can be roughly divided into:

1. Black frame with iron frame, galvanized low frame, galvanized high frame

2. LCD

3. Conductive rubber

For LCD and PCB conduction interface

The PITCH width of the conductive rubber should not be larger than the PITCH width of the LCDITO or PCB (gold) fingers, otherwise it will cause a short circuit.

4. PCB (including soft board)

Single-layer board, double-layer board, multi-layer board ((6) layer board)

5. Backlight CCFL, LED, EL

6. FFC (soft row)

7. CONNECTOR

8. IC

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