BLC2021-AL-USB-FA

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Introduction

BLC2021-AL-USB-FA is a multifunction LCD display module with a built-in serial flash memory, Ethernet, USB and Analog interfaces. It is designed to provide a flexible, low-power solution for industrial, medical and other applications. The display module is highly integrated, with only one LCD screen, a single set of LED backlights and a power source required for a full system.

Applications

BLC2021-AL-USB-FA has a wide range of application fields. It can be used in automotive, healthcare, industrial, residential and commercial applications to monitor and display information, such as temperature and other conditions. The module is also suitable for digital signage, such as in retail stores, airports, banks and other public places.

BLC2021-AL-USB-FA can also be used for control applications, such as for remote monitoring, control and management of system status, alarms and other real-time data. Furthermore, its USB and Ethernet capabilities enable it to be used as part of a distributed control system.

Features

BLC2021-AL-USB-FA provides a range of features that make it an ideal solution for a variety of applications. Its high resolution display offers clear, bright visibility from almost any viewing angle. The module also includes a rich set of control options, with serial and analog control signals, allowing for easy configuration and customization. Its built-in flash memory and USB capabilities further add to its versatility and convenience.

Working Principle

The working principle of BLC2021-AL-USB-FA is based on two key components: an LCD display and LED backlight. The LCD is divided into multiple elements, each of which consists of a pixel, a thin dielectric layer, and a liquid crystal material between them. The pixel is driven by a signal and the liquid crystal material responds to the applied voltage, changing its optical properties and allowing light to be seen. The LED backlight is used to illuminate the LCD screen, and the signal is used to control the intensity of the light.

The LCD elements are activated on a row-by-row basis. The liquid crystal material is driven with a specific voltage, which controls its optical properties. This voltage is applied to the liquid crystal layer in between the pixels, changing its properties and allowing light to be seen. The display elements are moved between rows with the help of sweep logic. This allows for the display of different images, text and graphics.

The LED backlight is also controlled from the same control circuit. The intensity of the light is controlled by varying the voltage applied to the LED. The intensity of the backlight is important for obtaining high visibility from the display module.

Conclusion

BLC2021-AL-USB-FA is a multifunction LCD display module for industrial, medical and other applications. Its features include an integrated serial flash memory, Ethernet, USB, and analog interfaces. Its LCD screen, LED backlight and power source are all integrated into one module, providing a low-power solution. Its wide range of applications, including automotive, healthcare, industrial, residential, and commercial, further add to its versatility. Additionally, its LCD display and LED backlight are controlled by the same control circuit, providing a simple and efficient solution.

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