LG Display Made LCD TFT Display Modules On Two Sided Panel
LG Display came up with a reflective LCD panel that displays images on the front and back glass substrate sides; to be unveiled at SID 2008.
With the electrically controlled birefringence (ECB) reflective type display mode, the panel has no need for a backlight and gets a higher outdoor visibility. So the panel is aimed at using in mobile devices. For instance, the new LCD panel can function both as the main and sub displays on a mobile phone at the same time.
The ECB mode functions as a display method and works on the birefringence effect of liquid crystal cells. This method is used for the standard semi-transmissive and reflective LCD panels.
In order to display images on both sides, 2 major modifications were performed. First, the arrangement of a new reflective layer in the color filter substrate. If you view the images from the TFT array substrate side, you will see that the layer reflects incoming light. But from the side of the color filter, the reflection electrode reflects the light on the TFT array.
Another improvement concerns the structure of the TFT array. Two transistors were put in one pixel so that to show different images on LCD TFT display modules on panel’s both sides.
LG Display made two LCD TFT display module panels: 2.2- and 15-inch displays with the new structure. Both of them have a reflectivity of 20%. The 15-inch prototype performs a resolution of 2048 x 1536 with 46% of an aperture ratio. A sub-pixel arrangement with four colors it employs consists of R, G, B and white (W) colors in addition.
The 2.2-inch prototype boasts a 160 x 120 resolution and 43% of an aperture ratio. A stripe pattern arranges the RGB three colors.
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AUO Announces World’s First Curved Display
AU Optronics Corporation announces the world’s first glass substrate Curved Display Technology with its curved radius of 100mm. The technology will be showed at SID Display Week on May 20, 2008 in Los Angeles, CA.
The AUO Curved Display features TFT-LCD process on glass substrate. The 100 mm curved radius requires a special thinning technology. The curved backlight unit preserves curved surface uniformity in brightness and contrast. AUO’s new technology allows TFT-LCD to perform both color performance and image quality. So it is designed for future curved display, for instance watches and dashboards.
AUO is going to showcase a series of mobile device technologies with the Ultra Thin 1.9-inch TFT-LCD. The world’s thinnest TFT-LCD has a 0.63 mm of thickness and therefore breaks AUO’s own record of 0.69 mm. This TFT-LCD of 8 inches maintains special glass thinning technologies to achieve 0.63 mm ultra thickness, with the weight of 2.1 grams and the brightness of 400.
AUO will present the in-cell multi-touch technology on 4.3-inch displays. Contrasting the current touch panels, AUO will perform integrated TFT touch function capabilities with no additional glass. The superior anti-glare properties perform saturated image color and good view angles, even in direct sunlight.
The innovative Grease Free and Touch Mura Free technology shows better performance for our touch panel display market. It coats the Anti-Fouling layer to attain fingerprint free surface. To add more, you can easily wipe off grease and smudges from the display.
According to Dr. CT Liu, AUO Vice President, the display market has recently become very competitive. In addition, the 3 major trends (they are human interface, thin-and-light eco products and system integration) still dominate the market. As an industry leader, AUO will get the evident advantages of its TFT-LCD process integration aiming to produce value-added TFT-LCDs and provide customer oriented products and technologies.
Heart-Shaped Nontraditional LCD Panel By Nec
NEC LCD Technologies, together with NEC Electronics America presented the striking development that features flexible stylish thin-film transistor – TFT - liquid crystal display panels.
A heart-shaped prototype’s design was introduced, together with low-temperature poly-silicon color TFT LCD module, featuring 2 half-circular arcs and 2 straight lines. It has a 4.0 centimeters display width, 3.6 cm height and 146 pixels per inch.
The new technology will be presented at the Society for Information Display Symposium on May 23, 2008 at the Los Angeles Convention Center.
NEC LCD’s new technology provides optimal gate and data lines arrangement in the pixel array and reduces the gate and data driver circuitry overlaps. NEC LCD Technologies applied its proprietary integrated TFT technology and integrated the driver circuits along the perimeter of the LCD glass, and this way simplified the interconnection scheme and contracted the area for the external circuits’ wiring and interconnections and established a bezel of 2.0 mm.
Almost all traditional display modules are rectangular, because it is the simplest efficient shape for displaying the pixel arrays. Some time earlier LCD suppliers began to introduce non-rectangular LCD shapes, such as ellipses, circles or rectangles with trimmed corners. It is a common fact more complex shape makes it difficult to accommodate the wiring patterns, and, as a result, has thicker bezels and great power consumption.
Non-rectangular shaped displays are going to replace some instrument gauges like the tachometers and speedometers in cars, as well as other applications that can have only a simple shape.
NEC’s new technology makes LCD modules more varied and flexible in design and shape, so this new technological solution can be adapted to mounted applications and nontraditional LCD devices. This development will give the ground to new unique LCD applications.
Read more about Heart-Shaped Nontraditional LCD Panel at the Nec’s official site
Microsoft Prepares Touchwall Low-Cost Solution
Russ Burtner, Microsoft user experience designer, tests out TouchWall right before CEO Summit with Bill Gates’ Wednesday keynote. The touch screen is the research prototype with 4 feet by 6 feet dimensions.
If you watched CNN’s election coverage lately, you should have noticed the channel’s Magic Wall touchscreen. So Microsoft came up with it’s own board version - a Surface flipped on its side and mounted. The TouchWall combines finger-friendly prototypes by Microsoft Research, as well as a spherical unit to be used mainly for world domination campaigns.
The wall uses a rear-mounted camera and not expensive infrared sensors with the capability of adding to a various surfaces, thus creating the hands-on experience. It is meant to be a low cost intelligent whiteboard solution, and maybe they’ll be used in small businesses, offices, or schools.
Microsoft didn’t provide any details about when TouchWall will be available commercially
Sharp HD LCDs Visualize Presentation With Built In Web Browser
The Sharp introduces TL-M4600 and TL-M5200 monitors with 46-inches and 52-inches and 1920 x 1080 2-megapixel HD resolution for accurate and precise image reproduction.
The models are ideal for teleconferencing, digital signage, CAD/simulation, home use and for many other arenas. Sharp is intended to reach a broader audience with improved compatibility and superior image quality in a wider range of commercial applications.
The TL series incorporate a thin, lightweight cabinet design with RJ-45 LAN Control to increase network connectivity. Also Sharp has introduced fanless design and backlight system to optimize the internal cooling.
Advanced Super View (ASV) panel stags with stellar picture quality to watch fast-moving video with response time of 6 ms, and features wide 176 degree viewing angles and high brightness – all this maintains exceptionally low power consumption for greater economy. Contrast ratio of 1500:1 (TL-M4600) and 2000:1 (TL-M5200) enable viewers to distinguish details even in an extremely lighted environment.
The new TL monitor series own lots of input connectors for all types of content, like DVD or analog and digital (DVI-D) sources. The displays include a built-in Web browser and an HDCP compatible HDMI input to access premium HD content. There is also an optional stereo speaker system across the bottom of the display to enhance audio during presentations.
The TL-M4600 and TL-M5200, as well as the current “PN” series, feature Sharp’s highest commercial design, both for landscape and portrait modes. The display market of large-format continues to demand advanced functionality and connectivity for all types of presentations and conference calls within reasonably priced package.
The two models are shipped with a 3-year warranty. The TL-M5200 is available now for a manufacturer’s suggested price of 4,995$. The TL-M4600 will be out in June for a manufacturer’s suggested price of 3,995$.
For more information of Sharp Electronics Corporation’s products, visit http://www.sharpusa.com