Back to Blog

Transflective TFT Displays diagram showing the display’s ability to reflect ambient light while also transmitting light from a backlight source.

How Transflective TFT Displays Improve Visibility in Extreme Conditions


September 5, 2024


With display technology, maintaining visibility under a range of extreme conditions is crucial, particularly for outdoor and military applications. One solution that stands out for its effectiveness is the transflective TFT (Thin-Film Transistor) display. 

In this blog, the Fortec US team explores how transflective TFT displays work and why they are essential for demanding environments:

What Are Transflective TFT Displays?

Transflective TFT displays are a specialized type of LCD that combines reflective and transmissive technologies to enhance visibility. The term “transflective” refers to the display’s ability to reflect ambient light while also transmitting light from a backlight source.

  • Reflective Technology: Reflective displays utilize ambient light to illuminate the screen, which is especially useful in bright environments. The reflective layer helps bounce light off the display, improving readability under direct sunlight.
  • Transmissive Technology: Transmissive displays, on the other hand, rely on a backlight to illuminate the screen in low-light conditions. The backlight shines through the liquid crystal layer, making the display visible in dim or dark environments.

Transflective TFT displays integrate these two technologies, enabling the screen to perform optimally in various lighting conditions.

How Transflective TFT Displays Work

The core technology behind transflective TFT displays involves a combination of several key components:

  • Liquid Crystal Layer: This layer contains liquid crystals that modulate light to create images. In transflective displays, this layer is designed to work efficiently with both reflected and transmitted light.
  • Reflective Layer: This layer is coated with a reflective material that bounces ambient light back through the liquid crystal layer. This feature ensures that the display remains readable even under direct sunlight.
  • Backlight Unit: For environments with insufficient ambient light, a backlight unit is used to provide illumination. The light from the backlight unit passes through the liquid crystal and the reflective layers, making the display visible in low-light conditions.
  • Polarizers: Polarizing filters are used to control the light passing through the liquid crystal layer. These filters enhance contrast and readability, ensuring clear visibility under various lighting conditions.

Why Transflective TFT Displays Are Essential

Transflective TFT displays offer several advantages that make them ideal for outdoor and military applications:

  • Enhanced Readability in Bright Light: The reflective layer of transflective TFT displays significantly improves visibility in bright sunlight. This feature is particularly important for outdoor environments where direct sunlight can otherwise make displays difficult to read.
  • Versatile Performance: These displays can adapt to varying light conditions, maintaining clarity whether in direct sunlight or low-light settings. This versatility is crucial for applications such as military operations, where conditions can change rapidly.
  • Energy Efficiency: Transflective TFT displays can reduce the reliance on backlighting, especially in bright conditions. This energy efficiency extends the battery life of portable devices, which is a significant advantage for field operations.
  • Durability and Reliability: Designed to withstand harsh environments, transflective TFT displays are built to be rugged and reliable. They are resistant to extreme temperatures and physical stress, making them suitable for demanding military and outdoor applications.

Find Transflective TFT Displays and More with Fortec US

Transflective TFT displays represent a significant advancement in display technology, offering exceptional visibility and performance in extreme conditions. Their ability to adapt to both bright and low-light environments makes them an indispensable tool for outdoor and military applications.

At Fortec US, we are committed to providing cutting-edge display solutions, including transflective TFT displays, to meet the diverse needs of our clients. Explore our range of high-performance displays and discover how they can enhance your projects today!


Newsletter Signup


Sign up to our monthly newsletter to keep up to date with all the latest product news, industry updates and new developments.