VI-321-DP-RC-S

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Display Modules - LCD, OLED Character and Numeric play significant roles in a wide range of applications. Among various types of Display Modules, VI-321-DP-RC-S plays an especially essential role and is widely used in many industries. This article aims to explain the application field and working principle of the module.

Application Field

VI-321-DP-RC-S is a module of α-numeric or 7-segment LCD display that fits a variety of application fields, such as consumer, industrial and medical electronics. In consumer applications, VI-321-DP-RC-S is suitable for use in DVDs and other consumer products with audio and video functions. Industrial control systems, including HVAC, telecom and fire & security systems, also benefit greatly from its excellent performance. Furthermore, the VI-321-DP-RC-S module is also suitable for medical equipment, where the high resolution and accurate lcd display are the most important factors. Additionally, it can also be used in road safety products, such as traffic signs and displays. This LCD module even has a flexible, two-wire interface that makes it easy to programme and use.

Working Principle

VI-321-DP-RC-S LCD module adopts a direct drive dedicated lcd driver IC, which has a total of 128 characters and 18 segment displays. The LCD circuit is connected to its two ends with 3.3 V power supplies; the power supply is used to drive the polysilicon LCD driver. Each LCD segment is controlled by a drive pin, each time when the voltage is applied, the unit cell potassium ion ionizes the polysilicon, resulting in a light state. The segment system can display 7-segment words or numbers depending on the type of LCD module. The VI-321-DP-RC-S module provides a 64-character LCD display, which is divided into 16 blocks, each of which is 8 dots wide and 16 dots high.

The module also has a microprocessor programmable control circuit on the driver board. The control circuit mainly uses a 4-bit parallel data interface, which can be installed in one or two rows depending on the display size. It is also equipped with a polarity selection switch for character display. According to the set type of display data, the driver can input text, signs, pictures and other characters with corresponding display data on the LCD module.

Conclusion

In conclusion, VI-321-DP-RC-S is a highly reliable and versatile LCD module that can be used in a variety of applications. Its direct drive lcd driver and microprocessor programmable control circuit are key components to ensure accurate display results. With its superior performance and reasonable price, it is definitely the right choice for many companies and industries.

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