If there ever was a market that could do with more competition, it's the OLED smartphone display industry. Samsung has long ruled the roost with its organic light-emitting diode (OLED) displays, with LG and Sony several paces behind. There are other, less visible players in the market, of course, but overall it's a relatively small group, considering the panels are now a hallmark of premium handsets. A new competitor has entered the market as of today, however. Japan's Sharp has announced that it will offer OLED panels in its new smartphones this year starting with the AQUOS Zero, and also plans to sell displays to other manufacturers.

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