A black segment LCD is a type of Liquid Crystal Display that uses segments to display numbers, icons, or graphical elements against a typically light or colored background.

The black segments appear because liquid crystals block light in the activated regions, creating sharp and clear contrasts for excellent readability.

How Black Segment LCDs Work?

• Passive Matrix Design:
  • Utilizes a grid of electrodes to activate specific segments by applying voltage, creating a black appearance.
• Polarizers and Liquid Crystals:
  • Polarizers and aligned liquid crystals block light in activated regions, producing black segments.

Detailed Parameters:

4.5V 9PIN VA LCD Display, a long strip-shaped LCD display adopting VA technology, with a working voltage of 4.5V and 9 pins. Such products usually have the following characteristics:

Display technology: Using VA (Vertical Alignment) vertical alignment technology, the display contrast is high on a black background, presenting clear white graphics with good visual effects.

Pin count: The 9PIN (9 pins) design enables it to connect with external circuits, facilitating data transmission and the reception of control signals. Different pins correspond to functions such as power supply, ground, data transmission, and control signals.

Working voltage: The 4.5V working voltage is relatively low and has certain energy-saving features, suitable for devices with low power consumption requirements, such as small instruments and portable electronic devices.

Appearance features: The long strip-shaped appearance makes it suitable for situations with limited space and requiring a long strip-shaped display area, such as strip-type instrument panels, certain specific industrial control panels, etc.