Sony goofs on world's first ultra-HD OLED TV

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Sony CEO Kazuo Hirai has suffered an embarrassing moment on a giant technology stage.

He introduced the world's first "ultra-HD" TV using organic light-emitting diodes (OLED) on Monday, only to see the screen go blank as the computer running it had an error.

Hirai carried on with his presentation, at one point looking back at the 56-inch display only to see the error continue. "Excellent," he said. A Sony staffer rolled the TV further away as he continued.

Hirai said the set is a prototype and didn't announce price or availability.

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