By Allen Tsai | Thu Jan 04, 2007 9:08 am |
Samsung announced today that it has created the first LCD panel that can produce independent images on each side of a mobile LCD display. Samsung's new double-sided LCD can show two entirely different pictures or sets of visual data simultaneously on the front and back of the same screen. Other conventional double-sided LCDs can only show a reverse image of the same video data.
This new development will replace two display panels with one, thereby reducing overall thickness of mobile products by at least 1mm.The LCD makes use of Samsung's new double-gate, thin-film transistor (TFT) architecture. TFT gates are electronic components that convert the necessary voltage at the pixel level, which controls the liquid crystal alignment needed to reproduce on-screen images. Samsung's new double-sided LCD has two gates that operate each pixel instead of one, so the screen on the front can display different images than the one on the back. The double-sided display makes use of Samsung's proprietary Amorphous Silicon Gate (ASG) technology, which accommodates the increased number of TFT gates without increasing the size of the driver integrated circuits. Driver-ICs typically increase in size when more TFT gates are used. The new Samsung mobile display requires only one backlight, while competitive double-screen LCDs require two. One side of the panel operates in a transmissive mode, while the other operates in a reflective mode. By using a unique reflective design that utilizes the light trapped in the opposing screen's transmissive mode, the reflective mode does not solely rely on external light sources such as the sun. The double-sided, dual image LCD's efficient use of light to display images in both transmissive and reflective modes promotes slimmer, more cost-effective products. The new double-sided LCD is 2.6mm thick and 2.22-inch wide, with QVGA (240 x 320 px) resolution, and has brightness values of 250 nits for the front and 100 nits for the rear display. It will be exhibited at the Consumer Electronics Show, which opens in Las Vegas on January 8.
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Mon Feb 06, 2012 12:09 pm | By
Samsung's ultra-slim Galaxy S3's sleeker design and other rumored features could directly compete with Apple's iPhone 5 when released this spring.
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Fri Feb 03, 2012 11:53 am | By
Apple is widening its patent case against Samsung in Australia, suggesting the lawsuit between the two competitors is going to intensify before any resolution.
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Wed Feb 01, 2012 4:00 pm | By
Samsung will delay the release of the Galaxy S3 smartphone until later this year, banking on the success of current offerings to produce strong sales well into 2012.
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Tue Jan 31, 2012 2:21 pm | By
The European Commission is investigating whether Samsung's use of patents to sue Apple breaks EU antitrust rules, a development that may put the company's expanding cases and other companies' court actions in jeopardy.
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Mon Jan 30, 2012 4:38 pm | By
Samsung will launch its Galaxy Note tablet in the U.S. through AT&T on Feb. 19, with a $300 price tag, a move which will introduce a hybrid product into the highly competitive mobile device market.
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