Epson Develops the World's First Print Head Using an OLED Light Source

Seiko Epson Corporation has developed the world's first print head using an OLED (organic light-emitting diode) light source.

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<p><a href="http://www.physorg.com/news11739.html">Epson Develops the World's First Print Head Using an OLED Light Source</a></p> <p> Seiko Epson Corporation has developed the world's first print head using an OLED (organic light-emitting diode) light source.</p>