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What is E-Ink Display

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e-book which is readable in a smart phone or mobile computing device of any type, E-Ink display devices are already popular and making its niche market among the students and communities of readers ever since its launch. The E-Ink display we must understand that electronic ink is basically the most important component of the film that is used in the display.

Time is already ripe enough to renounce many age old utility objects to grab their tech counterparts, but hardly anybody has ever envisaged that books or our good old papers would be challenged in its most irreplaceable daily use by a technology that offers readable and writing paper electronically. Yes, that is where the famous technology and proprietary brand name of E-INK technology or E-Ink display come. No wonder that more than so called e-book which is readable in a smart phone or mobile computing device of any type, E-Ink display devices are already popular and making its niche market among the students and communities of readers ever since its launch. While throughout the last decade we are startled by huge technological revolution that made great array of mobile devices to launch, this technology, which is nevertheless, much like the paper in pigmentation and many other technical aspects of printing although technically more close to films, came as a real surprise.

How E-Ink display works and what it is made of?

First of all to understand the technology that lies behind the E-Ink display we must understand that electronic ink is basically the most important component of the film that is used in the display, which serves the purpose of reading just like normal paper by displaying the content in black and white contrast. It is undoubtedly a surprise fusion of physics, chemistry and electronics that made this superior technology possible. Electronic ink that makes the writing appear on the paper in proper contrast to serve our purpose of readability is made up of millions of tiny microcapsules, which have a microscopic diameter. Now within each capsule there is clear fluid containing positively and negatively charged black and white particles. Now when positive or negative field is applied the particles accordingly move up to the surface and make the writing appear through black on white display. This is exactly how the E-Ink display works in multitude of devices using this technology.

Features of E-Ink Display

We have already seen how E-Ink display works; let us now see some variable features of this display. Bistable display is one such feature that is commonly referred to describe E-Ink display. It is told so because the display remains stable even when the power is off, but needs to be charged only when a new page is loaded or change of display occurs. In contrast in LCD display constant power is needed because the display page needs to be refreshed every fraction of second. Reflective display is another such feature that is commonly associated with E-Ink display. In LCD display your eyes get fatigued because of the rays of light illuminating the screen from behind. In contrast in E-Ink display you have the reading experience that is much more common to the traditional printed paper, because here the normal environmental light from surround let you read and view the content of the screen and it is not at all a backlit display like LCD which is harmful for the eyes in the long run.

In an E-Ink display variety of touch solutions based on different sensors are available like resistive sensor, capacitive sensor, inductive sensor and infrared. With the pressure of fingertips to the use of stylus on the device screen, like today's other mobility devices E-Ink display is equipped with superior touch sensors to provide great interactive reading experience. The developers are working towards providing a much simulated experience of E-Ink display compared to a paper and in future with the bending soft and rugged TFT you can just fold or bend the reading device and carry or put somewhere according to your convenience. This upcoming feature is called flexible display; which is truly more flexible than even its predecessor, paper.

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Posted on: June 5, 2013

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