LK202-25-V-E

Liquid crystal displays (LCDs) are the most commonly used visual display devices in our daily life. From the pocket calculators on our belts to the laptops in our bags and the TVs in our living rooms, almost all of them rely on the LCD technology to present information and data. LK202-25-V-E is a character type LCD module, which is commonly used for applications needing low power and small-sized displays due to its simple structure and low cost.

As one of the most common LCD modules, the LK202-25-V-E can be used in a wide range of applications. One of the most typical applications is for device control and data display in industrial automation and home appliance industries. The module can be used to control and display the operation status of machinery, manufacturing systems, sensors and energy monitors. Additionally, it can also be used in medical instruments, copiers, cameras and other hand-held devices. Also, with its simple and user-friendly design, the LK202-25-V-E can be a great display module for customer-oriented domains such as retail kiosks and gaming consoles.

The LK202-25-V-E module is a character type LCD with a viewing area of 21.0 x 10.2 mm containing 25x8 characters. It comprises a backlight unit and a dot-matrix liquid crystal display. The module adopts CMOS drive IC and NCMOS cold temperature operating IC, and works at a voltage of 5VDC. Its electrical characteristics include a wide operating temperature from -20 to +70 ˚C, a low power consumption of around 1mA, and a low driving voltage of 5V. Its light source is a white LED backlight.

The LK202-25-V-E module has a built-in resolution of 28x6 dots. This means each character is displayed with 5 pixels across and 8 dots down. To display information properly, the module needs to receive the corresponding ASCII command from a controller board and the system processor. Such ASCII commands include backlight control, line feed, reverse print, display clear, and cursor operations. Upon receiving data signals, the onboard LCD driver IC interprets these signals and drives the LCD display accordingly.

Atomically, the centred segment LCD of the LK202-25-V-E module consists of black and white (or, in some cases, colored) sub-pixels. The black sub-pixels represent a 1 while the white sub-pixels represent a 0. The driver IC turns on the backlight and applies an AC voltage to the sub-pixels by means of a voltage divider circuit. Depending on the value of the AC voltage, each sub-pixel in the LCD panel can display several levels of brightness. The matrix of pixel cells can then form a character or symbol in a specific font on the panel by switching between 1s and 0s.

In conclusion, the LK202-25-V-E is a compact and cost-effective LCD module that can be used for a wide range of applications. Its simple structure, low voltage requirements and wide operating temperature range make it an ideal choice for customers in need of a low cost display module. The module provides a concise and user-friendly display with a built-in resolution of 28x6 dots, while its on-board LCD driver IC gives it the ability to interpret and process external data signals.