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Analyst: iPhone Touch Screens May Degrade Over Time
Monday, August 13th, 2007 at 10:20 AM - by
The revolutionary touch screen on Apple's iPhone may not maintain its sensitivity over time, according to Nomura International analyst Richard Windsor. MarketWatch reports that Mr. Windsor is concerned that the heat-sensitive chemical layer in the iPhone display that detects touches could degrade over time, leaving users with dead spots that no longer register their fingers.
The touch sensing technology used in the iPhone display came from a Finnish company. The company went bankrupt trying to bring the technology to market while trying to overcome a problem where displays would lose their sensitivity after three to six months.
Apple bought the property rights to the technology, and according to Mr. Windsor, likely worked to fix the sensitivity issue before bringing the iPhone to market. Recent reports of dead spots on iPhone displays, however, are raising concerns that the company wasn't able to fully resolve the problem.
The displays that are failing now have lost touch sensitivity in a half-inch wide strip. In at least one case, the problem manifested itself after about 20 days of use.
So far, Apple has responded quickly to address user concerns and replace the faulty displays.
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