MICHAEL D. WHEELER, MANAGING EDITOR, [email protected] An Apple watch, a Samsung smartphone, an LG television, a virtual-reality headset. All are likely to make the short list of the most sought-after consumer electronics this holiday season. Soon these and other luxury consumer goods are likely to include organic light-emitting diode (OLED) displays, prized for their crystal clear visual characteristics and compatibility with flexible and transparent materials. 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