Apple Patent May Point to LED iMac's Later this Year
On May 28, 2009, the US Patent & Trademark Office published an Apple patent that generally relates to display systems, and more particularly to a desktop display system with a distributed LED backlight. Apple's iPod, MacBook, MacBook Pro, MacBook Air and Cinema Display currently use LED based displays which provide substantial improvements over LCDs in brightness, energy efficiency, color range, life expectancy, durability and robustness. Yet creating the 24" Cinema Display was no small task, as larger LED display configurations create area-to-perimeter ratio difficulties. Additionally, Apple had to work around conventional printed circuit board problems which had proven to have bad thermal properties for LED production. Apple's patent greatly details their integratinga plurality of tile LED light sources into a thermally and mechanically structurally integrated distributed LED tile matrix backlight light source. At the end of the patent, Apple states that their new distributed LED backlight system has provided for a straightforward, cost effective and uncomplicated process that is readily suited for efficiently and economically manufacturing large size display devices. That should translate into delivering an LED based display for at least Apple's higher end iMac – if not for their entire iMac line-up - for this coming holiday season in time to coincide with the debut of OS X Snow Leopard: Sweet.
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