LAS VEGAS (Reuters) - Panasonic Corp <6752.T>, in a display of technological one-upmanship with its South Korean rivals, unveiled a prototype of the world's joint largest OLED screen on Tuesday.
The half-inch thick, 56-inch television based on organic light-emitting diode technology is a mere inch bigger than ones unveiled by Samsung Electronics <005930.KS> and LG Electronics <066570.KS> a year ago in Las Vegas.
Sony Corp <6758.T>, which is cooperating with Panasonic in OLED technology - which allows for thinner screens that consume less power in theory - on Monday unwrapped its own 56-inch ultra high-definition model.
(Reporting By Tim Kelly; Editing by Bernard Orr)
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