Fujitsu tackles e-paper's slow screen speed

Fujitsu has developed an e-paper display that only refreshes the parts of the screen that need it thus speeding up the display of new screens.

Fujitsu has developed a prototype electronic paper screen that tackles one of the technology's biggest weaknesses: the amount of time it takes to refresh the image.

On electronic paper, screens like those used in Amazon.com's Kindle or Sony's Reader for electronic books, it typically takes a second or more to redraw the image on the screen. Sometimes the screen flickers a few times as the new image appears or, as in the case of Fujitsu's cholesteric LCD technology, the image is slowly revealed in a long sweep across the screen -- but it's a long way from the milliseconds required on other display screens.

To tackle this problem Fujitsu has tried to confine the refresh to just the parts of the screen that need to be changed.

It works best in applications where touch-sensitive e-paper displays are used for things like electronic forms, as the company demonstrated at its Fujitsu Forum event in Tokyo on Thursday.

When a user checks a box or writes in a space on the form, only those rows or columns of the display that have changed are refreshed. Those areas are refreshed at the same speed as before, but because a much smaller area is changed, the user perceives an improvement in performance.

The working prototype was a 12-inch display (about the same size as an A4 sheet of paper) with 768 pixels by 1,024 pixels (XGA) resolution.

Fujitsu has been developing electronic paper for several years, and last year began offering sample portable information tablets to customers in Japan that are based on e-paper and include a network connection.

E-paper displays offer several advantages over conventional LCD panels. They can be made almost paper-thin, are easy to read in bright light and only use power when the on-screen image is being changed.

Join the newsletter!

Error: Please check your email address.
Rocket to Success - Your 10 Tips for Smarter ERP System Selection
Keep up with the latest tech news, reviews and previews by subscribing to the Good Gear Guide newsletter.

Martyn Williams

IDG News Service
Show Comments

Most Popular Reviews

Latest Articles

Resources

PCW Evaluation Team

Ben Ramsden

Sharp PN-40TC1 Huddle Board

Brainstorming, innovation, problem solving, and negotiation have all become much more productive and valuable if people can easily collaborate in real time with minimal friction.

Sarah Ieroianni

Brother QL-820NWB Professional Label Printer

The print quality also does not disappoint, it’s clear, bold, doesn’t smudge and the text is perfectly sized.

Ratchada Dunn

Sharp PN-40TC1 Huddle Board

The Huddle Board’s built in program; Sharp Touch Viewing software allows us to easily manipulate and edit our documents (jpegs and PDFs) all at the same time on the dashboard.

George Khoury

Sharp PN-40TC1 Huddle Board

The biggest perks for me would be that it comes with easy to use and comprehensive programs that make the collaboration process a whole lot more intuitive and organic

David Coyle

Brother PocketJet PJ-773 A4 Portable Thermal Printer

I rate the printer as a 5 out of 5 stars as it has been able to fit seamlessly into my busy and mobile lifestyle.

Kurt Hegetschweiler

Brother PocketJet PJ-773 A4 Portable Thermal Printer

It’s perfect for mobile workers. Just take it out — it’s small enough to sit anywhere — turn it on, load a sheet of paper, and start printing.

Featured Content

Latest Jobs

Don’t have an account? Sign up here

Don't have an account? Sign up now

Forgot password?