LCD-S301C31TF

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LCD-S301C31TF Application Field & Working Principle

The LCD-S301C31TF is a character and numeric display module in the Display Modules - LCD, OLED Character and Numeric category. This module stands out in the category due to its ultra-low power consumption, fast response rate, and high level of brightness retention. The LCD-S301C31TF is ideally suited for use in applications resulting in continuous display or frequent changes. This module is also designed to operate efficiently in low-noise and low-electromagnetic interference environments.

Application Field

The LCD-S301C31TF display module typically finds application in:

• Point-of-Sale Systems
• Data Loggers
• Automated Gate Control Systems
• Power Monitoring Equipment
• Radar Systems
• Industrial Monitoring and Control Systems

The LCD-S301C31TF module is highly stable when power supply is within the recommended range and also provides reliable performance under harsh environmental conditions. The module is designed to reliably operate in a wide temperature range, humidity range, and altitude.

Working Principle

The LCD-S301C31TF display module works on the principle of “Field Effect.” This principle involves variation in the capacitive coupling between the source and the substrate which happens due to the presence of the electric field. In this module, the source coupling is provided with a thin layer of indium tin oxide (ITO). The working principle of this type of module can be summarized as follows.

1. A signal from an external controller is sent instructing the LCD to display certain segment to lit up.
2. Upon receiving this instruction from the controller, the active matrix array begins to scan the LCD. Starting from the top left to the bottom right corner.
3. The signal then reaches to the gate of the thin-film-transistor (TFT). It will then modulate the capacitive coupling which is present between the ITO and the thin film transistor.
4. This capacitive modulation is then sent to the source line of the LCD, thus initiating a pixel to light up.

In the LCD-S301C31TF, this principle of display is further enhanced by the employment of common gate TFTs which significantly reduce electrical leakage. This enhances the performance and extends the life of the LCD module.

Conclusion

The LCD-S301C31TF display module is ideal for use in applications where power consumption must be kept to a minimum, reliability is of utmost importance, and the environment is relatively harsh. This module is also ideal for applications where a high level of brightness retention is required, as the common gate TFTs significantly reduce electrical leakage. This makes it possible for the display to remain bright even after long periods of usage.

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