LK204-25-WB

Series:	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Number of Characters:	80
Moisture Sensitivity Level (MSL):	--
Display Format:	20 x 4
Character Format:	5 x 8 Dots
Display Type:	TN - Twisted Nematic
Display Mode:	Transmissive
Character Size:	4.75mm H x 2.95mm W
Outline L x W x H:	98.00mm x 60.00mm x 28.98mm
Viewing Area:	76.00mm L x 25.20mm W
Backlight:	LED - Blue
Voltage - Supply:	4.75 V ~ 5.25 V
Dot Size:	0.55mm W x 0.55mm H
Interface:	I²C, RS-232, TTL
Operating Temperature:	0°C ~ 50°C
Text Color:	White
Background Color:	Blue

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Introduction to LK204-25-WB

The LK204-25-WB is a LCD module that offers high performance display technology with a choice of variable control available in one package. This module was specifically designed for general purpose applications and includes features such as: adjustable character size, wide viewing angles, up to 128 x 64 dot graphics capability, multiple languages support and dimmer control.

Application Fields

The LK204-25-WB module is most suited for display applications such as Instrumentation, Building Automation and Industrial Control applications where high performance and variable control are essential. It is suitable for use in medical devices, household appliances, handheld devices, automated metering and various other applications. Additionally, it provides an additional safety feature when used in hazardous environments due to its IP65 level of protection.

Working Principle

The LK204-25-WB consists of a double-size TN LCD matrix panel, which is back-illuminated by white LEDs. The user interface is composed of an integrated controller, an external memory and a multi-function input key system. The user controls are completely programmable and the multi-function input keys enable users to select menues and data entries quickly and easily.The controller is a low-power ASIC (application specific integrated circuit) with a built-in LCD driver and a fast microprocessor. The ASIC is programmable and can control with finger touch movements or remote control when connected to a LK204-25-WB compatible peripheral. Data is entered into the system’s memory for display on the LCD, controlled by the controller. The data can be displayed in single, dual or multiline moeodes, with a color selection of 34 background and 68 text colors. The display can be adjusted to show the content in different sizes, with the largest being 128 x 64 dots.The backlight brightness is adjustable and the display is designed to be energy efficient, working in -20 to +70 °C temperatures. Additionally, the LCD panel is protected by a plastic bezel and a high-reflection film that helps to shield the LCD from dust, dirt and pollution.

Conclusion

The LK204-25-WB is an advanced display module that offers wide angles and adjustable character size for applications requiring high performance and variable control. The wide viewing angles ensure good readability and the multi-function input key system makes it easy to operate. The controller is programmable and can be connected to a compatible peripheral. Finally, the backlight brightness is adjustable, ensuring energy efficiency and a long life.

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