Introduction to CSTN
CSTN (Colour Super-Twist Nematic) is a display technology that uses liquid crystals to produce full-color, paper-like images. It is based on a passive matrix, making it more cost-effective to manufacture compared to TFT (Thin Film Transistor) displays. Recent technological advancements have made CSTN a viable economical alternative to active matrix displays.

How CSTN Works
CSTN displays operate by utilizing two sheets of polarizing material with a liquid crystal solution in between. An electric current aligns the crystals, controlling light passage. In colored CSTN displays, color filters are applied to the front glass, using red, blue, and green colors combined with a black matrix to produce high-quality color images.

Advantages of CSTN

• Economical Solution: Offers image quality comparable to TFT at a lower cost.
• Customizable: Resolution and display size can be tailored to customer specifications.
• Easy Upgrade: Minimal software and hardware modifications are needed to transition from monochrome displays.
• Low Power Consumption: Consumes as little as 0.7 mW.

Applications of CSTN Technology
CSTN displays are used in various devices requiring flat display panels, including:

• Personal Digital Assistants (PDAs)
• Audio/Visual display systems
• Mobile phones
• Portable games
• Instrumentation
• Household goods
• Industrial devices
• Handheld products

Electro-mechanical Properties

• Technology: Passive Matrix CSTN
• Logic Supply Voltage: 2.8 to 5.0 V
• Contrast: 15~25 Typ
• Brightness: 50~100 cd/m²
• Viewing Angle: 60° horizontal, 50° vertical
• Response Time: 200 ms typical
• Temperature Range: Normal and extended

Display Modules
The document provides detailed specifications for various CSTN display modules, including screen size, resolution, dimensions, viewing area, and backlight options. These modules are suitable for different applications and can be explored further on Densitron's website.

Additional Display Solutions
Densitron offers a range of other display technologies, including TFT, OLED, Composite Video Displays, and Chassis & Open Frame Monitors, each with unique features suitable for specific applications.