TC0700PIBB6PSR05E04BK

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TC0700PIBB6PSR05E04BK Application Field and Working Principle

TC0700PIBB6PSR05E04BK is an LCD display module designed with black-and-white resistive touch screen, mainly used in a variety of electronic products which require liquid crystal display. The application field of the TC0700PIBB6PSR05E04BK can broadly categorized into consumer electronics, industrial control, home automation, medical control, military control and system visualization, etc.

The key feature of the TC0700PIBB6PSR05E04BK LCD display module is the durable black-and-white resistive touch screen. The internal structure of the LCD module consists of four integrated parts: LCD panel, controller board, touch panel, and backlight. The LCD panel is used to display graphics and text, while the controller board contains a display controller, touch controller and a variety of TTL/LVDS interfaces. The resistor substrate and the transparent glass substrate of the black-and-white resistive film comprise the touch screen. The backlight board provides illumination, using LED as light source.

Working Principle

This LCD display module works in the following steps:

• The display controller processes the graphics, text and data sent by the MCU. It then transfers the information to the LCD drivers and LCD panel for display.

• When the touch panel is touched, it changes the voltage across the two resistors in the substrate from high to low. The touch controller detects and recognizes the coordinates of the touched position.

• The MCU consequently receives the coordinates and processes the data.

• The LED backlight board is installed on the back side of the LCD display module. It lights up the LCD panel.

Conclusion

In conclusion, TC0700PIBB6PSR05E04BK LCD display module is a touch LCD display module which is suitable for applications in a variety of electronic products. Its main feature is the black-and-white resistive touch screen and its structure is composed of LCD panel, controller board, touch panel and backlight board. The working principles include processing of graphics/text validation and recognition of coordinates.

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