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CineAsia, Hong Kong—Dec 8, 2015
Harkness Screens Reveals New 4K Compliant Digital Perforation Pattern.
arkness Screens, global leaders in screen technology, have revealed plans to transition from its existing standard perforation pattern to a new pattern for their leading screen surfaces.
The new Harkness Digital Perforation Pattern will become the standard perforation pattern for all screen types replacing the existing standard pattern. The new pattern has an open area of over 4% with over 65,000 holes per square metre. This helps to significantly increase light reflectance into cinema auditoriums compared to Harkness’ previous standard perforation pattern and provides a brighter and better quality viewing experience. The smaller holes also allow for a closer viewing experience with less visible seams, while the increased quantity of perforations provides better sound attenuation.
“Harkness’ Digital Perforation Pattern has been specifically designed to reduce the onset of the Moiré effect, explains David Harrison, Chief Technical Officer at Harkness Screens. “Moiré fringing is caused when the weave pattern of a screen aligns and then interferes with the projector’s pixelated images resulting in an undesired, strobe-like effect across the screen, which can have a huge impact on cinematic experience. With the resolution of projectors growing, it is a common issue in contemporary digital imaging and the new perforation pattern helps to offset this.”
Some screen perforations can accentuate Moiré, this is due to hole sizing and spacing compared to projection pixels. The Harkness Digital Perforation Pattern works in harmony with current 4K projectors and the natural hole variations work to reduce alignment with projection pixels, providing a flawless, high definition image.
As part of the switch to Harkness’ new perforation pattern, Harkness has increased the width of its industry leading base materials, reducing the number of seams required to make a screen significantly.
“As well as all of the visual benefits, the new perforation pattern has led to one significant improvement in our manufacturing process. Whilst we pride ourselves on invisible seams under projected light, we recognise that for exhibitors in general and especially post production and screening room operators, the desire to have a screen made of the fewest seams possible is significant. With our new perforation process, we’re able to reduce the number of panels required to make a screen significantly meaning a reduction in seams of at least 30%,” Harrison concludes.
The new Harkness 4K Digital Perforation Pattern is available from Harkness US factory and will be extended to its Asian operations in early 2016, with European operations following shortly after.
About Harkness Screens Ltd.:
Harkness Screens™ is the world's leading screen technology company, specialising in the design and manufacture of projection screens and supporting technologies. From single-screen independent theatres to large multiplexes to large format immersive theatre experiences or live events, Harkness supplies thousands of screens every year for cinema, film production, special effects, live events and custom AV applications.
With truly global reach, Harkness is regarded as the world leader in cinema and today has screens in more cinemas worldwide than any other manufacturer. With its industry leading 2D and 3D screen brands (Perlux and Spectral) along with its innovative range of tools and iOS/Android apps, Harkness continues to lead the way in screen technology for cinema.
Founded in 1929, Harkness has manufacturing facilities in the USA, UK, France, India and China. Harkness Screens combines unrivalled experience with the latest technology and production methods to provide innovative solutions to the company’s key markets worldwide. For more information, visit the Harkness Screens web page at www.harkness-screens.com.
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