Inquirer: Why Origami UMPC battery life sucks
Current UMPCs use 7-inch screens. Previously, the largest market for these has been car navigational PCs and similar applications, a helpful source at a UMPC manufacturer explains.CCFLs are a perfect choice for cars, because vehicles have plenty of electrical power available. In addition, 7-inch screens are among the cheapest in terms of dollar per inch, because the dimensions mean they can be cut from the larger sheets of LCD material that manufacturers produce without any wasted screen at the edges.
As a result there’s a huge supply of low-cost 7-inch LCDs available to feed demand from the auto market. But they use those power-hungry CCFLs.
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