LK202-25-R-E

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LK202-25-R-E Application Field and Working Principle

The LK202-25-R-E is a type of character and numeric display module from Display Modules - LCD, OLED Character and Numeric, engineered to offer high performance satisfaction to users. It is commonly used for many applications, including panel meters and controllers in industrial, medical, automotive, and office automation systems.

In terms of technical specifications, the LK202-25-R-E displays up to 8 lines of 16 characters at a resolution of 5x7 pixel dot matrix. Moreover, it has an LCD contrast control, a backlight control input, and an EL backlight (or LED backlight) control. Additionally, it has a cursor blinking drive ability and a liquid crystal display (LCD) drive system.

The LK202-25-R-E is composed of several components, such as a LCD (liquid crystal display) panel, a controller IC (integrated circuit), a backlight, and others. The LCD panel is made up of a display area, which is composed of a number of pixels arranged in a matrix, as well as driving circuits, terminal pins, and others. The controller IC stores data and instructions, and this is where the display content is processed. Backlight such as EL (electro luminescent) or LED (light-emitting diode) is then used as the light source of the LCD panel.

The two main functions of the controller IC is to decode the data stored D register and convert it into a format suitable for use with the LCD panel. The first part, the decode data stored D register, is done through a process commonly known as a character generator. This process involves the controller IC scanning through the display content stored in the D register and converting each character code into the necessary pulse waveforms for the LCD panel. The second part is the data display function.

These pulse waveforms are then amplified and sent to the LCD panel display, where it is converted into a visible image. The electrical signals are processed through the liquid crystal material, which then allows light to pass or not pass through the pixels of the display, depending on the electrical signals. A reflection of light is then transmitted back to the user\'s eyes, allowing them to see the content on the LCD.

In terms of applications, the LK202-25-R-E is used in various systems such as panel meters, controllers, and switching systems, among many others. It is also often used in medical, automotive, industrial control systems, and office automation systems. Its advantages, such as its wide temperature range, wide supply voltage range, and low power consumption, provide added value to users in the field.

In conclusion, the LK202-25-R-E is an LCD and OLED character and numeric display module from Display Modules - LCD, OLED Character and Numeric. It is composed of several components such as LCD, controller IC, and backlight, whose functions are used to receive, decode, and display the data stored D register. Furthermore, its applications span many fields, such as medical, automotive, industrial, and office automation, thanks to its wide temperature range, wide supply voltage range and low power consumption.

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