Roll-up screens 'moving closer'
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Roll-up laptop screens and e-newspapers may be a step closer, according to scientists.
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The energy-hog televisions are losing ground to their cheaper counterparts. But developers hope that will change with improved technologies.
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Features include a 3.1-in. screen that can be twisted for different displays, e-mail alerts, GPS navigation, a music player, a camera and more.
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Sony debuted an innovative new bendable 2.5-inch display, one that is less than 0.01 inch thick -- not much thicker than a piece of paper -- and can display full-color video.
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The devices, which will be available soon, will offer better picture quality than earlier models.
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The screens, simple vacuum fluorescent displays of the kind used in alarm clocks and cash registers, come to life, spewing out along the walls streams of orphaned sentences and phrases that have appeared in The Times or, in many cases, that are appearing on the paperâs Web site at that instant.
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The growing popularity of small-screen video devices is ushering in a new era of content to go with them.
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ATLANTA - There&#39;s a lot to like about flat-panel screens. They are lighter than the conventional cathode-ray tube (CRT) monitors, take up less desk space, look more attractive and tend to draw about half the power needed to run boxy monitors.
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By J.D. Biersdorfer  [Q.] Instead of using a movie screen with my high-definition video projector, I want to put an even bigger image right on the wall.
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Once ethereal, Microsoft's plans to try to replicate its desktop position on the Web are starting to become clearer.
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Prototype ups high-resolution display ante with whopping 4096-by-2160 resolution.
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Device can improve the image quality of standard and high-definition images.
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The electronics giant has begun production of next-generation screens using organic light-emitting diode technology.
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Giant digital displays, designed to give roadside advertisers more options for capturing drivers' eyes, encounter opposition in the face of safety concerns. By the Associated Press.
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(InfoWorld) - Commuters in Tokyo are getting a chance to experience some cutting-edge display technology from Thursday -- although they might have to look hard to see it. On three commuter trains some traditional paper advertisements have been replaced with color e-paper displays. The displays, while technologically advanced, proved difficult to read during a demonstration Thursday. The 13.1-inch displays are made by Hitachi Ltd. and based on Bridgestone Corp.'s "electronic liquid powder" technology. There are two such displays on each of the three trains, mounted on the carriage wall at either end of the train. Each display is connected to a smaller unit which contains companion electronics and an 8MB memory that can hold 37 advertisements. Each advertisement is shown for two minutes in a continuous cycle. Electronic paper is still in its infancy. While it has been shown in prototype form for several, the technology has only recently started making its way into commercial products. One of the highest profile uses is Sony'sÂ Sony Reader electronic book, but it uses only a monochrome display. Color e-paper development lags. The displays in the trains offer relatively low resolution, at 50 dpi (dots per inch), and can only display eight colors. There's also no backlight, so on-screen images appeared quite dark and advertisements utilizing dark colors, such as red and black, were relatively difficult to read. Reflections on the display's protective plastic cover also caused problems. The month-long tests are relatively high-profile because the trains in question run on East Japan Railway's Yamanote Line, which runs in a loop around the center of Tokyo. It's used by about 3.5 million people each weekday, making it one of the city's most important and heavily used railway lines. The trial will gauge feedback from travellers and see how the system performs in a real-world environment, said Nobuyuki Ogura, a senior manager with Hitachi's transportation information systems division in Tokyo. They follow a trial last year in which a monochrome e-paper display replaced a wall poster at Tokyo Station, he said. Hitachi will continue working on the screens and hopes to have a commercial panel ready for use by March 2008, he said. The Yamanote Line has 52 trains and on each 11-car train there are 1,414 advertisements, for a total of 73,528 on the entire line. While 96 of the advertisements on each train are LCD displays, the rest must be changed by hand. The use of more digital advertisements would mean new content could be quickly transmitted to each display panel with little fuss. The trial system that begins Thursday includes the ability to update advertisements via a 802.11b wireless LAN link to the panels. Hitachi isn't the only company working on color e-paper. Earlier this yearÂ Fujitsu showed a prototype 7.8-inch panelÂ 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 and was on show at the Ceatec exhibition in October.
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Researchers in the United Kingdom have developed software that loads camera phones with mouse capabilities, allowing users to swivel a camera phone to scroll or move items on a PC screen.While the software is in its infancy, the technology could enable people to use camera phones to scroll public displays to get further information on products or to&#160;purchase items&#160;such as&#160;plane tickets.Communicating with a PC via Bluetooth wireless technology, users can either move the cell phone or use a stylus on the cell phone&#39;s screen to also scroll through a computer screen, said Patrick Olivier, an associate professor at Newcastle University. Olivier is working on developing the technology with researchers Nick Pears of York University and Dan Jackson of Newcastle University.One of the original goals was to interact with larger public displays to, for example, buy movie and train tickets and interact with advertising displays, although the applications of this technology are limitless, the researchers said.For example, users will be able to scroll through large display screens in a real-estate agency, even though there could be glass window in between, Pears said.After communicating a cell phone&#39;s field of view through a live camera feed to a computer via Bluetooth, the PC establishes the coordinates of its monitor, which&#160;are then&#160;sent to a camera phone. Once the camera phone registers the image on the cell phone and recognizes the display coordinates set by the PC through image processing technology, the computer knows exactly what the phone can see, which sets the stage to scroll a PC.Users can then move the phone or use a stylus on a touch screen to scroll a PC or move items. The PC and camera phone work together to continuously reposition a PC monitor&#39;s coordinates as the phone moves, allowing the cell phone to scroll a PC from any position in a room.The researchers have developed the software for the Symbian and Windows Mobile OSes for PDAs and camera phones, the researchers said.While the technology holds promise, it is still under development and multiple issues are being addressed, Pears said.&quot;The image capture and image processing rate on the cell phone is quite slow, and so you can not move the cell phone as quickly as you would like to. This is what we would like to address in our next prototype,&quot; Pears said.
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Have gigantic spreadsheets or multiple tasks? Talk your boss into buying dual wide screens.