GEN4-ULCD-28DT-PI

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GEN4-ULCD-28DT-PI is a type of display module for displaying image and text and sharing information. It is an ideal device for numerous applications which require interaction with users or machines. It’s come with a 4.3” diagonal 480x272 pixel active matrix TFT color LCD (up to 262K colors) and resistive touch panel with backlight.

Application Field

GEN4-ULCD-28DT-PI has a wide range of application fields. It is ideal for numerous applications, including industrial automation, medical instruments, POS, automotive, test and measurement, and gaming. It combines the display and touch control together form a compact system, making it especially suitable for applications involving controlling and feedback, such as PLC and other control equipment.

Features

GEN4-ULCD-28DT-PI can be used as an LCD display with resistive touch panel. It is capable of displaying up to 262K colors with a 480x272 pixel active matrix TFT color LCD. It has a light emitting diode(LED) backlight, which can be adjusted as high as 3,000 nits for higher visibility, and provides robustness against external EMF sources. The resistive touch panel also supports up to 80 million touches, thus adding lifespan and reliability to its already excellent characteristics. Furthermore, it comes with IP67 rated front bezel, making it suitable for applications requiring great water resistance.

Working Principle

GEN4-ULCD-28DT-PI utilizes the principle of light emitting diode (LED) technology. An LED consists of an anode and a cathode, which when connected to a source of electricity, allow current to flow. This current then causes the diode to emit light. The more current it has, the brighter it will become. The light emitted by the LED is then used to backlight the LCD display and deliver the images or text being displayed.

The touch panel feature of GEN4-ULCD-28DT-PI is based on resistive technology, which requires two resistive layers and a conductive layer between them. The conductive layer is then connected to an external circuit, and the two resistive layers are connected to voltage. When pressure is applied on the layer, the two layers come into contact with each other, resulting in a change in resistance which is detected by the external circuit.

Conclusion

GEN4-ULCD-28DT-PI is a highly versatile display module suitable for numerous applications. With its backlight and resistive touchscreen features, it is ideal for applications involving control and feedback. Furthermore, its IP67 rated front bezel makes it suitable for external environments, providing reliability against water and dust.

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