Bi-stable LCD Displays

Bi-stable cholesteric reflective displays use a "zero power" LCD technology that only draws power when refreshing the image.

What's more, images do not disappear or fade when the power is removed and remain stable for long periods of time, making the device ideal for digital signage.

  • Zero power on static images
  • Ultra-wide viewing angles
  • Wide operating temperature range
  • No backlight, resulting in a very thin profile 

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Unlike E-paper technology, bi-stable displays are not limited to a single colour. Instead, a variety of colour pairings are possible, such as blue & white or black & yellow; colours can also be screen printed in colour zones.

This zero power display technology is reflective and requires no backlighting, so it is viewable in high ambient light applications. It requires absolutely no power whilst static so is very suitable for solar powered outdoor applications where it's wide temperature range is also an advantage.

This display type can range in size and it is laid out as a graphic display, making it very easy to programme. Bi-stable technology was a wide viewing angle and can be delivered with high resolution panels.

Applications for bi-stable displays include digital signage, retail labelling, e-readers and metering; however, new and innovative uses are being found for this technology all the time. 

custom bi-stable

The Benefits of Bi-Stable Technology

Energy Saving

The power efficiency offered by bi-stable displays is their primary draw. For example, research conducted by Motorola found that a battery in a PDA can last over 600 times longer on a device that utilises bi-stable technology.

Reduced Eye Fatigue

As bi-stable technology mimics ink on paper, it is said to reduce eye strain associated with using LCDs for long periods of time.

Bi-Stable Technology for ESL

Electronic shelf labels (ESL) using bi-stable technology allow retailers to change product pricing remotely and in real-time. This allows the retailer to be reactive with pricing and promotions, and stay ahead of their competitors. At GTK, our colour bi-stable displays offer the additional benefit of making signage more visually appealing and eye-catching.

Other Benefits

In addition to the above benefits, bi-stable displays offer wider viewing angles than most transmissive displays, high contrast ratio and excellent sunlight readability.

colour bi-stable