LK202-25-WB-V

Character Size:	5.55mm H x 3.20mm W
Background Color:	Blue
Text Color:	White
Operating Temperature:	0°C ~ 50°C
Interface:	I²C, RS-232, TTL
Dot Size:	0.60mm W x 0.65mm H
Voltage - Supply:	9 V ~ 15 V
Backlight:	LED - Blue
Viewing Area:	83.00mm L x 18.60mm W
Outline L x W x H:	116.00mm x 37.00mm x 28.69mm
Series:	--
Display Mode:	Transmissive
Display Type:	LCD - Color
Character Format:	5 x 8 Dots
Display Format:	20 x 2
Moisture Sensitivity Level (MSL):	--
Number of Characters:	40
Lead Free Status / RoHS Status:	--
Part Status:	Active

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LK202-25-WB-V Application Field and Working Principle

Display modules are utilized in a large variety of applications. There are a variety of display technologies used in modern electronics such as LED, LCD and OLED. In this article, we will focus on LCD display modules, particularly a type called LK202-25-WB-V.LK202-25-WB-V is a LCD module from Kingbright Electronic Co. It is a zero- insertion-force (ZIF) type of LCD with 25 characters per line, which makes it suitable for displaying the typical length of most text strings used in programming and control systems. The module is constructed from an LCD module, a ZIF socket and an elastomer ribbon cable that side connects the LCD to the socket.Typical applications of the LK202-25-WB-V LCD module include panel displays, instrument panels, process control and computer terminals. It is often used to display a single line of characters that are 20 characters in length, but can also be used to display messages up to 25 characters in length. The module can be used in various interface configurations and supports SPI, I2C, UART and TTL type communication protocols.The working principle of the LK202-25-WB-V LCD module involves the same basic principles used by all LCD displays. It uses two principle components, a liquid crystal layer and a backlight source. The liquid crystal layer consists of two glass plates that are separated by a distance of several microns. The liquid crystal material is sandwiched between these two plates with small electrical connectors placed between them. When a small electrical current is passed through these connectors, the liquid crystal is forced to twist around which causes it to block or leave portions of the underlying backlight illuminated at the given moment. As the electrical current passes through different connectors on the module, certain lines of characters or symbols appear on the screen.The backlight source used in LCD displays is usually a cold cathode fluorescent lamp (CCFL). The CCFL is mounted to the inside of the module and produces a monochrome light for the LCD. The brightness of the display is usually adjustable and can be adjusted to the user\'s preference.Overall, the LK202-25-WB-V LCD module is a highly effective display module. It is an ideal choice for any application where space is limited and a single line of characters needs to be displayed. It is also an economical and reliable solution as it only takes up a small amount of space in comparison to other display modules, while also providing a high brightness, contrast, and resolution.

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