Flexible e-paper displays move to mobile phones
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Polymer Vision has announced the production of its Readius 3G phone with a 5-inch foldable e-paper display.
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Consumers are giving PDAs the hand as they move toward smart phones.
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By Al Gibes, Las Vegas Review-Journal  Jun. 5--VEXING ELECTRONIC TEXT, DISPLAYS YOU CAN FLEX HIGHLIGHT ANOTHER  NET NOTES: Thoughts on electronic publishing; an alternative way to read; and  new ultrathin flexible displays fill this edition of reader-contributed Net  Notes.
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I was pretty amazed to see 3D graphics coming to mobile phones, and now it looks like TV is coming to them too! Texas Instruments has started work on a chip that
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Smaller than laptops but bigger than PDAs, the devices use stylus and GPS.
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(InfoWorld) - Fujitsu has made progress in its development of flexible, paper-thin displays that consume very little power. The company unveiled its latest prototype on Tuesday, a 7.8-inch panel that can display up to 4,096 colors. The display, which is the same size as a sheet of A5 paper, was built into a thin case in the form of an electronic book reader. It was on display at the Ceatec show, which opened on Tuesday. The e-book reader was rigid, but the flexibility of the displays could offer an advantage in other types of applications. Fujitsu offered the example of an electronic advertising panel that could curve around the top of a train or subway car. The display area of the prototype shown at Ceatec was about four times as large as that ofÂ another prototype Fujitsu showedÂ in the middle of last year. The e-book reader was deceptively light, weighing only 180 grams -- much less than many visitors to Fujitsu's booth expected before they took it in their hands. Its light weight comes largely from the use of a plastic substrate for the display, rather than a glass substrate like those used for LCD (liquid crystal display) panels. Pages could be turned with the push of a button. The screen refreshes in several sweeps, from left to right, and the time taken to redraw the image depends on its complexity and the number of colors, said Fumiyuki Hashimoto, a Fujitsu spokesman. A complex image takes around 4 seconds to refresh, while a simpler, eight-color image can be drawn in about a second, he said. The prototype e-book reader included a USB-connector and an SD memory card slot. Fujitsu is still developing the display and doesn't have any commercialization plans at present. The prototype has one other major advantage over existing panels -- it doesn't require constant power to keep the image on the display. That means portable products can be made to have a much longer battery life.
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At the Contemporary Museum in Baltimore, there's no need to turn off your cell phone at the door.  This interactive art show dials you into the beauty of the handheld. Plus: Images from the exhibit.  By Asami Novak.
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Touchscreens are back in vogue with flat-panel display makers, if the prototypes on show at the FPD Expo in Yokohama this week are anything to go by.Gone are the clunky screens that relied on a touch layer added over the display, and in are models that integrate the sensor elements into the display itself. That means the displays are brighter, thinner and in many cases more responsive. It also means that some can offer a &quot;multi-touch&quot; capability similar to that of Apple Inc.&#39;s iPhone.The largest of the multi-touch screens on display was a 47-inch model from LG.Philips LCD that attracted a crowd thanks to the same novelty feature that&#39;s been amusing iPhone owners for a few months: the ability to zoom in and out of images with two fingers. In this case the display showed satellite images from Google Maps, so many show-goers used the screen to find and zoom-in on their own home, thus unwittingly letting all those around know where they live.Taiwan&#39;s AU Optronics had a pair of 4.3-inch panels on display. One used a voltage-sensing touch system and the other relied on a charge-sensing touch system. The same photo zoom technique was being demonstrated on the two screens. The former appeared much more responsive but comes with a catch: it can be operated with a fingernail but not a finger. Conversely, the charge system worked fine with a finger but didn&#39;t respond when touched with a fingernail.Japan&#39;s Sharp also attracted a crowd with a multi-touch screen that it first debuted earlier this month at the Ceatec show.&#160;The 3.5-inch screen integrates an optical scanner&#160;pixel alongside each LCD pixel, so it can not only recognize the location of multiple fingers but also be used to scan name cards and the like.Integrating image sensor pixels along side LCD pixels in screens isn&#39;t new. Toshiba Matsushita Display Technology Co. Ltd. unveiled such a prototype at the Electronic Display Expo in Tokyo in 2003 but not much was heard of it since.At FPD Expo, which began Wednesday, the company was demonstrating its latest prototypes and admitted that it had let rivals catch-up on its lead. The screens have failed to take off partly because panel makers don&#39;t have sophisticated enough software libraries to work with the displays.That means consumer electronics makers have to do a fair amount of software work to interface with the screens, and that&#39;s a hurdle to adoption, said Yutaka Okada, a spokesman for the company, which is a joint venture between Toshiba and Matsushita Electric Industrial&#160;(Panasonic).The latest prototypes work by sensing either light or shadow. The light-sensing model responded to a light pen and allowed users to perform such tasks as draw on a picture displayed on the screen, while the shadow sensing model could be operated with a finger. The latter has the advantage of working well in both bright and dark conditions and doesn&#39;t even require the user to physically touch the screen. Just bringing a finger within a few millimeters of the display is enough for it to respond.Despite the large number of prototypes on display, none of the companies would say when a product might be on the market.&#160;
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Imagine sitting down to your computer and seeing thin, plastic color displays on either side of your monitor, showing high-resolution text pages you can refer to and print from. On the wall next to you is another large display on which you can show colleagues a power point presentation, or display family photos and notes.
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A new generation of OLED displays, which are thinner and more energy efficient than LCDs, is working its way to market. But it could be years before they're cheap enough to displace LCD screens.
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Heliodisplay projects a convincing mid-air display.
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Digital photo frames are reaching home appliances like cordless phones and refrigerators, as will be evident at the upcoming Consumer Electronics Show.
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A mobile gadget with a scrollable display is due to go on sale in Italy in late 2007.
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Long gone are the days when it was enough for a mobile phone to simply be a phone. Ever since the technology began to emerge to transform handsets into handheld media players, phone manufacturers have been producing these multimedia marvels in droves.
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When the sun shines, mobile phone users frequently seek out shade to see their display. Samsung Electronics Co. wants to help solve that problem.
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A versatile portable device can play a role in tests, note-taking and homework, and even act as a blackboard.
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Showcased at the Mobile Displays Conference this week in San Diego, LG.Philips LCD's screens for mobile devices are designed to be compact and efficient.