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What’s the use of an LCD with a driver board?

The LCD with driver board is an LCD screen with an integrated driver chip that can be controlled directly by an external signal without additional driver circuits. So what's the use of an LCD with a driver board ? Let's follow DISEN and check it out!

DISEN 4.3inch TFT LCD module

1. Transmission of video signals

This is the core function of the LCD screen with the driver board, through the type-c or HDMI interface, the video signal output from the computer is input to the main control chip of the driver board, and then converted into the edp signal output, and then handed over to the display panel.

2. Expand the function

In addition to the input and output signal interface, there are other expansion interface functions on the LCD screen with driver board. These functional interfaces are not necessary interfaces for a display driver board, but customized interfaces proposed by customers according to market demand.

Such as USB interface, by connecting this interface to another touch control board, you can realize the touch function on the screen. Another example is the speaker interface, from which the wires is connected to the speaker, if the input signal supports audio, then the speaker can output sound.

The LCD with driver board itself cannot output sound, nor can it realize touch, but these functions can only be realized by extending the interface on the driver board. Because external signal data enters through the driver board, it naturally also goes out through the driver board, so the actual function of the display driver board is integration and conversion.

DISEN 7inch TFT LCD module

Shenzhen DISEN Electronics Co., Ltd. is a high-tech enterprise integrating R&D, design, production, sales and service. It focuses on the R&D and manufacturing of industrial, vehicle-mounted display screens, touch screens and optical bonding products. The products are widely used in medical equipment , industrial handheld terminals, loT terminals and smart homes. It has rich experience in R&D and manufacturing of TFT LCD screens, industrial and automotive displays, touch screens, and full lamination, and is a leader in the display industry.


Post time: Oct-24-2023