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Trillions of these quantum dots are packaged into a thin film that fits inside an LCD backlight unit.
ENGADGET: 3M and Nanosys team-up to roll out quantum dot-enhanced LCDs
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"The polarizing organic photovoltaic cell demonstrated by Professor Yang's research group can potentially harvest 75 percent of the wasted photons from LCD backlight and turn them back into electricity, " said Youssry Boutros, program director for the Intel Labs Academic Research Office, which supported the research.
ENGADGET: Photovoltaic polarizers could make self-charging smartphone dreams come true
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While LCD screens need a backlight to illuminate their crystals, OLED does not need a separate light source.
BBC: LG to start selling curved OLED TVs in South Korea
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The device will be out this year and none of their LCD's use a LED backlight.
ENGADGET: Live coverage from Sharp's CES press conference
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All the same sexy, but this time we've got a bit more info on the upcoming U1F 11.1-incher from ASUS. Of course, that LED backlight inside the 5mm thick LCD is the highlight, but there's plenty more to love inside this 18mm thick laptop (0.7-inches, though it tapers up to 1.1-inches thick).
ENGADGET: ASUS gets official with its LED-backlit U1F lappy
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The Intelligent LCD screens on both models are equipped with automatic backlight adjustment to offer a clear view of photos under any lighting conditions.
ENGADGET: Panasonic's Lumix line gets a lot more crowded
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But without the backlight on, it's rather hard to see the top LCD without some light shining on it.
ENGADGET: Hands-on with Motorola's RAZR V3 for Cingular
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The display's backlight has nanopatterned grooves that send blue, green and red in multiple directions, letting the LCD show only the light that would be seen from a given viewpoint.
ENGADGET: HP Labs builds a glasses-free, portable 3D display with wide viewing angles (video)
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The LED backlight also boasts of better luminance, faster response time and lower power consumption than the traditional LCD, and combined with some fancy ASUS Power4 Gear eXtreme power management should have battery life up 20-25 percent over traditional laptops.
ENGADGET: ASUS gets official with its LED-backlit U1F lappy
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The UCLA engineers have created a novel concept for harvesting and recycling energy for electronic devices - one that involves equipping these devices' LCD screens with built-in photovoltaic polarizers, allowing them to convert ambient light, sunlight and their own backlight into electricity.
ENGADGET: Photovoltaic polarizers could make self-charging smartphone dreams come true