LQ043Y1DX07

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LQ043Y1DX07 is an active matrix TFT (Thin Film Transistor) LCD display module. It is composed of a color TFT-LCD module, a driver IC and a control circuit. The product features a wide viewing angle, low power consumption, light weight and thinness, high image quality and vivid colors. It is particularly suitable for mobile phones, digital cameras, handheld devices, medical instruments and PDA etc. This article will explain the basic principles of the LQ043Y1DX07 display and its application fields.

LQ043Y1DX07 Application Field

LQ043Y1DX07 is a TFT LCD display module with a 4.3" size and 480x272 resolution. The module offers a high contrast ratio of 500:1, wide viewing angle, low power consumption and wide temperature range. It has an active matrix system with 16,777,216 colors and high brightness of 250 nits. It can be integrated with various microcontrollers or other platforms, such as Android, Arduino, Raspberry Pi and many more. It is ideal for use in consumer devices, automotive systems, instrumentation and industrial process monitoring, medical systems, digital signage, monitoring and control systems and more.

Working Principle

A TFT LCD display uses the same principle of operation as a liquid crystal display. An electric field is created by an electric charge across the substrate which causes a change in liquid crystal molecules\' orientation. Then light is either blocked or passed through the liquid crystal in order to control the display brightness. This polarization of light is controlled by a TFT matrix, a thin film transistor-based array on the backplane. These thin-film transistors are semiconductor devices that work like transistors, except that instead of having three terminals, they have only two – gate and drain.

The gate of the TFT transistor acts as a switch to open or close electric current at the source, which charges and discharges a capacitor associated with the drain. This in turn creates an electric field across the Liquid Crystal layer, controlling the orientation of the liquid crystal molecules, and therefore the light passing through that particular pixel.

The number of thin-film transistors used to control the display is typically much larger than the number of pixels, with several transistors assigned to each pixel. This technique greatly reduces the electric current at the source, and thus reduces the power consumption of the display by up to a quarter.

Conclusion

The LQ043Y1DX07 display module is an active matrix TFT (Thin Film Transistor) LCD display, ideal for use in a wide range of application fields such as consumer devices, automotive systems, instrumentation and industrial process monitoring, medical systems, digital signage, monitoring and control systems. It features a wide viewing angle, low power consumption, light weight and thinness, high image quality and vivid colors. It is controlled via an electric field created by an electric charge across a substrate and can display up to 16,777,216 colors.

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