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Hitachi introduces performance enhancing glass bonding technology
Published 26th May 2010
Glass bonding enhances the optical and mechanical performance of TFT LCDs
26 May 2010. Hitachi Display Products Group (DPG) has announced the introduction of value added LCD display solutions featuring performance enhancing glass bonding technology. Optical glass bonding technology can provide notable improvements in optical performance in high brightness environments. By using an optical adhesive and a cost effective lamination process a glass substrate is bonded directly to the front of the TFT LCD module. The bonding process ensures that there is no air gap between the glass substrate and the display. Removing the air gap ensures parallax effects and internal reflections are prevented and this will result in enhanced optical performance in bright ambient light conditions. Mechanical durability is also improved by enhancing the ruggedness of the display.
TFT LCD display modules have become widely and extensively used in many electronics products and systems that require a high quality graphical user interface. Certain environmental conditions such as bright ambient light and outdoor conditions can present challenges for conventional TFT displays. When a display is used in a high ambient light environment, if the amount of ambient light reflected by the display is close to or exceeds the amount of light emitted by the display, the display image can become unreadable and ‘washed out’. In this situation contrast loss can be close to 100% as the luminance of the display is exceeded. A TFT display featuring an optically bonded glass substrate and surface treatment techniques can reduce reflections to less than 0.2% by scattering and absorbing ambient light. These additional features will ensure that display readability can be notably improved.
Mark Stephenson, Product Marketing Manager, commented, “Many TFT displays are used in bright ambient light or outdoor conditions which present difficulties when trying to ensure that the display provides optimum readability. The use of glass optical bonding technology coupled with an enhanced anti-reflection or anti-glare surface finishes can significantly improve the optical performance of the display. Further benefits include making the display module more rugged and able to provide enhanced shock and vibration performance. Display durability is also improved with increased impact and scratch resistance and reduced fluid and foreign particle ingress.”
Developments in optical glass bonding techniques has now enabled Hitachi TFT LCD display modules to offer excellent readability in demanding ambient light conditions. This enhances the provision of TFT display solutions across a wider range of environments and applications. Optical bonding technology has been successfully implemented on TFT displays used in challenging environments such as aerospace, marine, automotive, medical and industrial. It is also being viewed as a key display enhancement technology for facilitating the development of emerging products and designs.
Glass optical bonding display solutions are now available from Hitachi Display Products Group (DPG). For more information, please visit www.hitachi-displays-eu.com or call +44(0)1628 585 000
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Notes to Editor
About Hitachi Display Products Group
Hitachi Display Products Group (DPG) is part of Hitachi Europe Ltd. It is responsible for pan-European sales and distribution of Hitachi’s leading liquid crystal display products. Offering a comprehensive range of monochrome and colour display component modules, the company supports customers in a range of sectors including mobile phone, white goods, automotive and industrial industries. Hitachi Display Products Group offers a range of standard liquid crystal modules and is also able to develop and manufacture customised displays. For further information on Hitachi LCD modules, please visit the display products group web site http://www.hitachi-displays-eu.com
About Hitachi Europe Ltd.
Hitachi Europe Ltd., is a wholly owned subsidiary of Hitachi, Ltd., Japan. Headquartered in Maidenhead, UK, it has operations in 13 countries across Europe, the Middle East and Africa and employs approximately 550 people. Hitachi Europe comprises of nine business areas: rail systems; power and industrial systems; information systems; digital media and consumer products; display products; industrial components and equipment; air conditioning and refrigeration systems; manufacturing systems; and procurement and sourcing. Hitachi Europe also has three Research and Development laboratories and a design centre. For more information about the company, please visit http://www.hitachi.eu
About Hitachi, Ltd.
Hitachi, Ltd., (NYSE: HIT / TSE: 6501), headquartered in Tokyo, Japan, is a leading global electronics company with approximately 400,000 employees worldwide. In fiscal 2008 (ended March 31, 2009) consolidated revenues totaled 10,000 billion yen (US$102.0 billion). The company offers a wide range of systems, products and services in market sectors including information systems, electronic devices, power and industrial systems, consumer products, materials, logistics and financial services. For more information on Hitachi, please visit the company's website at http://www.hitachi.com
For more information please contact:
Hitachi Display Products Group
Mark Stephenson
tel: +44 (0)1628 585 000
email: mark.stephenson@hitachi-eu.com
Neesham PR Ltd
Mark Dalton
tel: +44 (0)1628 627 128
email: markd@neesham.co.uk
Photo caption:
Glass bonding technology from Hitachi Display Products Group (DPG) improves the optical performance of TFT LCDs in high brightness environments and enhances the durability of the display.
DPG PR068