# Electronic Paper Displays This E-Paper Display Can Be Written On Using a Magnet By Rahul Kalvapalle | Published 2015-04-24 | Tech Source: Trend Hunter, https://www.trendhunter.com/trends/epaper-display References: [gizmag](http://www.gizmag.com/electronic-paper-handwriting-whiteboard/37138/) & [aip.org](http://www.aip.org/publishing/journal-highlights/whiteboards-future-new-electronic-paper-could-make-inexpensive) Researchers from the [University of Tokyo](https://www.trendhunter.com/trends/uchicago-stretchable-display) have created an inexpensive but surprisingly durable e-paper display that can be written on like a magnet. The technology is based on 1970s twisting ball displays, that use bicolored microparticles that move around on an elastic sheet when sandwiched between a pair of electrodes. This upgraded version is easily scalable, while its color combinations can be conveniently changed for improved readability. The easy scalability means this e-paper display could replace traditional blackboards in classrooms and lecture halls. Given its versatility and ease of use, this e-paper display could also go a long way towards [reducing our dependence on paper](https://www.trendhunter.com/trends/paperless-paper-7inch-e-ink-frame), helping the environment by saving trees as well as reducing paper waste. ## Trend Insights (Trend Hunter) - Score: 1.3/10 - Popularity: 17% | Activity: 15% | Freshness: 8% - Audience gender: 50% men, 50% women - Primary generations: Millennial, Gen X - Top markets: North America, Europe, Asia ## Categories [Trend Hunter](https://www.trendhunter.com/trends) > [Tech](https://www.trendhunter.com/tech) > [Multimedia](https://www.trendhunter.com/multimedia) ## Key Themes ### Key Themes Behind This Trend - **Versatile E-paper Displays:** This e-paper display technology has the potential to replace traditional blackboards in classrooms and lecture halls, disrupting the education industry. - **Sustainable Display Solutions:** The easily scalable and durable e-paper display could reduce our dependence on paper, creating opportunities in the environmental conservation industry. - **Improved Readability Displays:** The color-changing capabilities of this e-paper display offer improved readability, presenting opportunities in the graphic design and advertising industries. ### Where This Applies - **Education:** This e-paper display could revolutionize the way information is presented in classrooms and lecture halls. - **Environmental Conservation:** The sustainable nature of this e-paper display has the potential to reduce paper waste and contribute to environmental preservation. - **Graphic Design and Advertising:** The color-changing feature of this e-paper display opens up new possibilities for captivating visual displays and advertising campaigns. ## Related on Trend Hunter - [Low-Energy Colorful Electronic Paper](https://www.trendhunter.com/trends/eskin-anycolor.md) - [Ultra-Responsive ePaper Displays](https://www.trendhunter.com/trends/epaper-displays.md) - [Power-Free Retail Displays](https://www.trendhunter.com/trends/philips-tableaux-5150i.md) - [Eco Eye-Friendly Display Technologies](https://www.trendhunter.com/trends/hannspree-ecovision-paper-display.md) - [Bio-Resin Retail Displays](https://www.trendhunter.com/trends/samsung-13inch-color-epaper.md) - [Electronic Paper Advertising Displays](https://www.trendhunter.com/trends/e-ink-kaleido-3.md) - [Ultra-Smooth E-Ink Tablets](https://www.trendhunter.com/trends/dasung-paperlike-103.md) - [Magnetic Whiteboard Notebooks](https://www.trendhunter.com/trends/whiteboard-notebook.md) - [Full-Color ePaper Displays](https://www.trendhunter.com/trends/e-ink.md)