GLT240128-422-WB

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Display Modules - LCD, OLED, Graphic are three common types of display modules available today. Among which, GLT240128-422-WB is one such product and it is widely used in various applications. This article attempts to explain the application field and working principle of GLT240128-422-WB.

Application Field

The GLT240128-422-WB is a monochrome LCD graphic module with a small form factor. It is designed for applications where space is a critical element, such as Point-of-Purchase displays, hand-held displays, small industrial instruments and laboratory instruments. The high resolution display allows for easy and accurate previewing of text and graphics. The wide viewing angle enables better visibility, even in difficult lighting conditions.

As the LCD graphic module is capable of displaying texts and graphics, it is widely used in advertising, communication and navigation applications. Furthermore, the low power consumption, extreme durability and low cost makes it the most suitable choice for applications like medical devices, automotive and control systems.

Working Principle

The working principle behind the GLT240128-422-WB is based on the liquid crystal technology. The display module contains two components – the liquid crystal material and a matrix of electrodes. The liquid crystal material is composed of two layers which are referred to as the ‘active’ layer and the ‘passive’ layer. The active layer is filled with liquid crystal material and the passive layer contains many tiny transparent panels which are filled with a reflective material.

When a voltage is applied between the two layers, the liquid crystal material responds to the electric field and changes its arrangement to reflect the light. Depending on the applied voltage, the display will either be filled with black pixels, or white pixels. This allows for the display of graphics, texts and numbers at various angles and brightness levels to be displayed on the LCD module.

Conclusion

GLT240128-422-WB is a versatile display module with many uses in various applications. It is mainly used in advertising, communication and navigation applications as it is capable of displaying texts and graphics accurately. The working principle behind the display module is based on liquid crystal technology, where voltage is applied between two layers of liquid crystal material, allowing for the display of graphics, texts and numbers at various angles and brightness levels.

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