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Epson OLED Prototype Displays The Ultimate Black

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Epson Develops Long-life OLED Display System Capable of Reproducing “the Ultimate Black”

Seiko Epson Corporation (“Epson”) has developed an organic light-emitting diode (“OLED”) display system capable of producing “the ultimate black.” Having resolved the problem of achieving long life for the device, a longstanding challenge with OLED, Epson has put into operation a manufacturing line for small-scale production of OLED for practical applications. Epson will exhibit this new OLED display system at FPD International 2007, an international exhibition of display technologies to be held at Pacifico Yokohama from October 24. This new technology by Epson offers a new solution that makes effective use of advanced image representation not possible with conventional flat panel displays (FPD).

The light emitting capabilities of OLED displays make possible such features as high contrast, wide viewing angles, and fast response times. In addition, the display can be made very thin and lightweight, making this new device a promising candidate for next-generation flat panel displays. However, in order to make the device viable for practical applications, it was critical to find a solution to a number of technical problems, including how to give the device a longer life.

As high-quality image representation lies at the heart of OLED displays, above and beyond what is possible with conventional flat panel displays, Epson determined that this was precisely the feature the company should pursue. To realize the requisite high-quality representation of textures, Epson has been uncompromising in its efforts to achieve “the ultimate black”, since it is black that holds the key to overall image quality. Furthermore, the problem of early stage brightness deterioration, until now a major obstacle to extending the life of the device, was solved by improving the light-emitting materials and through the development of Epson’s own original element structure. As a result, Epson was successful in lengthening the life of the device to more than 50,000 hours*1, a level appropriate for practical application. Future plans call for Epson to develop various displays with OLED systems for different uses, and study their potential for commercialization.

Epson has already installed and commenced operations of a development and manufacturing line that is capable of small-scale production at its Fujimi Plant in Nagano prefecture, Japan.

From now on, Epson will accelerate its efforts to develop uses for OLED display systems that make use of advanced image representation and nurture them into businesses.

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For an overview of FPD International 2007, where the new OLED display system will be exhibited, please see below.

*1 Brightness half-life

Outline of OLED display system

Screen size 20.3-cm diagonal (8 inches)
Number of pixels 800 x 480 (W x H)
Brightness 200 cd/m2
Contrast ratio 100,000 : 1 or greater

Overview of FPD International 2007

  • Event title: FPD International 2007
  • Events: Comprehensive exhibition and forum of flat panel displays and related manufacturing equipment, components, and materials.
  • Dates: October 24 (Wed.) to 26 (Fri.), 2007 10:00-17:00
  • Venue: Pacifico Yokohama Exhibition Hall (Yokohama, Kanagawa)
  • Organizer: Nikkei Business Publications, Inc.
  • Website: http://techon.nikkeibp.co.jp/fpd/2007/english/

About Epson
Epson is a global leader in imaging products including printers, 3LCD projectors and small- and medium-sized LCDs. With an innovative and creative culture, Epson is dedicated to exceeding the vision and expectations of customers worldwide with products known for their superior quality, functionality, compactness and energy efficiency.

Epson is a network of 87,626 employees in 117 companies around the world, and is proud of its ongoing contributions to the global environment and to the communities in which it is located. Led by the Japan-based Seiko Epson Corp., the Group had consolidated sales of 1416 billion yen in fiscal 2006.

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