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Design and Technology Trends of LED NB panels

2008/08/19 - 17:29 — ivan
The use of LEDs for the backlight's light source has created new business opportunities in the maturing NB panel market. In contrast to CCFLs, white LEDs provide higher color saturation and are mercury-free and less power-consuming--making them more environmentally friendly.     ... 閱讀全文
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287
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New Latitudes NB with LED Backlight from Dell

2008/08/13 - 13:54 — ivan
Dell today announced a completely new line of Latitude and Dell Precision laptops, ranging from the lightest ultra-portable in the company's history to the most powerful mobile workstation. ... 閱讀全文
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HB Chen, vice-chairman and CEO of AU Optronics (AUO) indicated that the company's goal of adopting LED backlighting for all of its notebook panels by 2011 may be achieved one year earlier in 2010.
引述:
HB Chen, vice-chairman and CEO of AU Optronics (AUO) indicated that the company's goal of adopting LED backlighting for all of its notebook panels by 2011 may be achieved one year earlier in 2010.   Chen also estimates the penetration rate for LED backlit notebook panels in the overall market will exceed 20% for the second half of this year. However, the rising penetration rate of LED backlighting in the second half of the year will have a weaker effect than usual on overall shipments for the entire year, Chen explained that while the breakdown for annual notebook panel shipments between the first and second half of the year is usually on a 4:6 ratio, this year the ratio is expected to be 5:5 due to weakening economic conditions in the US market, rising energy costs and inflation concerns. Chen pointed out that AUO's optimism about the LED industry is a major reason the company established Lextar in April 2008 to develop LEDs for LCD panel backlighting applications. Chen indicated that the revenue contribution from Lextar will not begin until the second half of 2009, but he added that Lextar will begin cooperating with Japan-based LED makers to avoid any patent disputes. As for Lextar targeting other LED applications such as for general lighting, Chen added that AUO will join in such competition at the right time in the future.
來源:
Digitimes
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All the properties that light sources need for backlighting medium-sized LCDs (5 to 20”)
are combined in OSRAM’s new high-power Ceramos Reflector LED in its tiny package.
Developed for injecting light into a light guide, it offers high brightness and impressive
efficiency. The LED also withstands temperatures as high as 150°C and is extremely
durable with a life of up to 50,000 hours. ... 閱讀全文
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TFT LCD Modules Feature Replaceable LED Backlights, High Brightness and Low Power Consumption ... 閱讀全文
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690
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TFT LCD modules feature replaceable LED backlights

2008/05/12 - 11:21 — Emma
It's reported that Toshiba America Electronic Components Inc. (TAEC) has rolled a new color active-matrix TFT-LCD module product lineup for industrial applications that incorporates long-life LED backlighting systems. Developed by Toshiba Matsushita Display Technology Co. Ltd, the modules are designed to meet the requirements of a broad range of industrial applications, such as test and measurement equipment, medical equipment and portable handheld computing devices utilizing the latest LED backlighting technology. ... 閱讀全文
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4359
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2008 Q1 LED NB Price and Product Analysis

2008/03/11 - 16:37 — ivan
LED and CCFL NB have a price gap of 50%, but such gap is expected to narrow soon. LEDinside recently has gathered further information about NB with LED backlight on the market. Until February 2008, prices of LED NB range from US$2,100 to US$3,100, while CCFL NB equipped with similar hardware cost $1,280 to $2,000. CCFL NB and LED NB have a price gap of at least 50% (indicated in Figure 1), says LEDinside. Although with advantages in weights, sizes and energy consumption, it is still quite costly to have an environmental, energy-saving and light LED NB. ... 閱讀全文
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1439
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Apple's super-thin MacBook Air is the result of LED BLU

2008/01/22 - 14:47 — Emma
Apple Computer Inc. has launched a 13.3-inch LED-BLU-based MacBook Air, which is only 0.76-inch (19 mm) thick on the hinge side, and 0.16-inch (4.1mm) for the opposite side. Apple mentioned that this super-thin product is the result of LED BLU technology advances, and moreover, the mercury-free, arsenic-free notebook is more beneficial in power ... 閱讀全文
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引述:
While some players in Taiwan's display industry are optimistic in their forecasts for the penetration rate of LED BLUs in notebook applications this year, saying that the penetration rate could hit 15%, other recent estimates are placing the penetration rate closer to 10%. According to staff from Taiwan-based LED chipmaker Epistar, with limited LED chip suppliers and Japan-based makers not greatly expanding their LED capacity this year, tight supply of LED chips will affect LED-based products. The company therefore expects the penetration rate of notebook-use LED BLUs to be lower than 10% this year, up from about 3% last year.
網址:
http://www.digitimes.com/displays/a20080121VL200.html
來源:
DIGITIMES
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906
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LED drivers fit for mid-size LCD panels

2008/01/21 - 16:02 — Emma
引述:
Catalyst Semiconductor Inc. has expanded its line of high-power LED drivers with a new device optimized for the rapidly growing mid-size LCD panel market. The new CAT4139 boost converter provides a switch current up to 750mA and drives LED strings up to 22V, making it a suitable choice for digital photo frames and other backlighting applications where high LED counts (up to 40 LEDs) are emerging.
網址:
http://www.eetasia.com/ART_8800498423_1034362_NP_8d5dbfe8.HTM
來源:
Eetasia.com (subscription)
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