Technology

Extraordinary experience for pleasurable e-reading

The basic difference between e-readers and different types of devices used to display content (TVs, smartphones, tablets, etc.) is the technology of the screen.

E-readers utilize E Ink Electronic Paper Display, commonly called e-paper. The two pigment electronic ink system is made up of millions of tiny microcapsules, each about the diameter of a human hair. Each microcapsule contains positively charged white particles and negatively charged black particles suspended in a clear fluid.

When a positive or negative electric field is applied, corresponding particles move to the top of the microcapsule where they become visible to the viewer.

This makes the surface appear white or black at that spot.

Unlike an LCD display, which requires constant power to keep the contents of the display on screen, E-Ink only requires power to change the polarity of electrodes on a per-region basis. This means that your e-reader only uses power when it turns pages, and that’s how an e-reader can last for up to one month on a single charge.

E-Ink devices can reduce power consumption even more by only changing the pixels that need to be changed per page turn. In other words, if a particular pixel stays black from one page to the next, nothing needs to be changed and no power needs to be expended.

However, over time, some pixels may become stuck and refuse to change even with a new polarity, and this results in an imprint of text which stays even after the page has been turned. This phenomenon is known as “ghosting” and is usually fixed by a full-page refresh. That’s why every so often the screen flashes completely black, then white, then back to the page.

The biggest advantages of the E Ink screen are:

  • very good contrast, due to black being “displayed” by black particles of ink, and white being complete absence of color,

  • lack of refresh rate during displaying static image – only the change of image causes the pixels to change state. This results in comfortable reading and no stress for eyes – just like reading a paper,

  • very high energy efficiency. Power consumption is limited only to changing the page (or browsing menus), so most of the time the screen doesn’t use energy at all.

ADE is ranked among the best EPUB3 readers by EPUBTest.org. The support for EPUB 3 standard allows you a richer reading experience, including: rendering of audio and video content;  support for right to left reading; dynamic image resizing without loss in clarity, interactive quizzes, better rendering of math formulas, and huge improvements in support for assistive technologies.

Sony DADC URMS is a rich, API based user and content management solution. Unlike current solutions in the market, Sony DADC's solution offers strong but flexible DRM protection, based on the open-standard Marlin content protection system, to work with different business models and help business create the desired user experience. It’s designed to work with the Readium Foundation’s open-source e-reading rendering engine allowing reading app developers to have a seamless experience for their users. It can lock a file down, to enable a wide ranging of sharing options, whether for paying consumers or for free distribution, for educational, professional, corporate, library and retail use-cases, supporting pay-per-download or subscription. Content owners have an endless array of choices to support current and future business models and marketing and promotional strategies.