What's Best for DS? Part 2
Printer-friendly versionBy various authors
3D
“For digital signage installations, 3D content brings an additional effect to attract audience attention. Against this background, digital signage is not just a media for conveying information or for advertising. Watching 3D digital signage is more impressive for the viewer, which means it is remembered for longer and it is more likely that the viewer will share this experience with others. Therefore, the innovative character of 3D can be effective in image building and intensifying advertising messages. For digital signage installations in public areas, auto-stereoscopic displays – where no glasses are needed – will be the first choice on the whole. Stereoscopic displays, though, with passive 3D glasses, can also be used for digital signage applications. In combination with a guided promotion event, or as part of presentations for smaller audiences, such installations have a more exclusive character and benefit from the better quality 3D that stereoscopic displays bring. 3D displays can even be built into video walls to reach a wider audience.”
“With object based 3D holography, objects can be displayed as if they are free floating in the air. Using BD holography, the system identifies the target object and displays this as large as possible, rather than displaying the whole image in 3D holography, which would make each part relatively small. This technology has one big advantage over other 3D technologies available today, as it does not require 3D glasses.
Objects as large as 120cm, and as far as 150cm in front of the actual display can be created and interactive functions can also be incorporated via an infrared interface, so that customers can touch the holography to perform certain actions. With additional interfaces to printers and other outputs, customers can print out vouchers via interacting with the system.”
“For digital signage installations in public areas, auto-stereoscopic displays will be the first choice on the whole.
“The opportunity to utilise 3D within the corporate market is extremely exciting, and we are continually innovating and developing our offerings in line with customer requirements. Indeed, the challenge that companies currently face is not whether the technology is available, but how they think 3D content will allow them to better connect with their customers, employees and other stakeholders, or indeed make work processes more efficient. We believe that collaboration is key, and we are speaking to our customers and partners about how 3D can be used most effectively today and how it can roll-out as part of a wider technology roadmap."
“3D is here, and not the 3D from your parent’s day! Today, 3D is becoming a part of our lives because now it looks as good as 2D HD images. Since the movie Avatar, we now see many movies and some cable channels really gearing up for 3D. But how do we translate this new media into digital signage?
Glasses are the main issue. Most 3D as we know it requires putting on glasses to view the stereoscopic images. But not many people walking around a mall or an arena are going to stop and take the time to put on glasses so they can properly view 3D advertising.
The future of digital signage in 3D is, therefore, in autostereoscopic 3D that requires no glasses. This kind of signage is very engaging: our estimates are that a single autosteroscopic 3D display can draw the same traffic as ten 2D displays. The benefit to the network operator, then, is the ability to broadcast genuinely engaging advertising that can draw more people using less screens. And since 3D without glasses is still relatively new to most consumers, e ability to deliver content using this method will likely increase dwell time around the displays, too. We believe that 3D without glasses is the way of the future.”
“LPD constitutes a ‘surface emissive’ display technology, where there is almost no filtering involved in generating the viewed image.
LPD
“LPD technology is a brand new platform in display technology using solid state ultra-violet lasers to scan across a surface of phosphor cells within the display panel. The image is refreshed rapidly, resulting in high quality video.
Prysm video walls are made up of 25” panels, designed to be completely bezel-less and built in a wide variety of shapes and sizes, including columns, strips, archways and rectangles. The screens can also be set out in curved formations or arranged in large arrays with resolutions significantly higher than the best available from current indoor LED solutions, resulting in creative, high impact displays that are guaranteed to catch the attention of passing consumers. The versatility of its modular, free form design allows retailers to build displays that have instant impact and deliver a more engaging and immersive brand experience.
LPD constitutes a ‘surface emissive’ display technology, where there is almost no filtering involved in generating the viewed image. Images generated t the surface in this way are highly visible from a much wider viewing angle than other technologies, ideal in digital signage applications.
When compared to other modular videowall technologies, such as LCD, the lasers used in LPD are precisely modulated to vary intensity of each pixel and this is optimised at the very edges of the panel, rendering the seam gap virtually invisible from even relatively short viewing distances.
The screens also generate almost no heat during operation The product’s lack of degradation and low cost of ownership means it‘s a viable alternative to plasma, LCD and projection.”
“LED video walls offer saturated colours, low maintenance and usability in critical 24/7 applications.”
LED Video Walls
“LED-lit rear-projection technology has opened the door for a significant performance increase for video walls in terms of image quality, maintainability and cost of ownership. Advantages of LED video walls include their low maintenance and saturated colors.
LEDs typically generate high temperatures on a very small surface. This heat can significantly affect the video wall’s performance. Higher brightness is also more power-consuming resulting in higher temperatures at the LED, and hence life-reducing.
However, Liquid cooling and smart power management are two technologies that can be used on LED projection systems to combat these problems and provide control room users with more options, and allow the video wall to be operated more economically in terms of power consumption. This helps lower the system’s cost of ownership and affords it a longer lifetime.
By combining the advantages of using LEDs instead of lamps to create the images, with a number of cuttingedge technical innovations, LED video walls off er saturated colours, low maintenance and usability in critical 24/7 applications.”
OLED
Carla Quartley, Marketing Manager, Mitsubishi Electric Europe:
“The OLED screen is a completely new class of screen which fills the gap between existing LCD and LED displays. OLED has been used in display devices before, but only in small-scale displays such as monitors or handheld devices. But now there are OLED screens suitable for large-scale indoor digital signage installations.
Passive OLED technology is relatively cheap to produce, and can be scaled to any size. Because the displays are constructed from discrete OLED modules, it’s possible to create screens of virtually any size or shape – even curved. These are huge advantages for the digital signage market.
Moreover, OLED screens, such as Mitsubishi’s, are up to three times brighter than LCD displays which means they can deliver vivid images even in high ambient light conditions.
The OLED modules are relatively light and slim compared to LED, so they can be installed in places which have previously not been considered practical.
The resolution of an OLED like ours is approximately equivalent to a 3mm LED scre , but with reduced cost and weight. It has approximately double the contrast of a comparable LED screen.
With these characteristics, OLED has the possibility to open up completely new applications for digital signage.”
Touch
“Full multi-touch functionality – using more than two fingers –allows much more sophisticated single-user and multi-user applications that are capable of responding to 10 or even 20 simultaneous touch inputs. This promises a future offering more intense and engaging gaming experiences, including highly intuitive multi-user games, as well as significantly increased productivity and easier collaborative working using professional applications such as 3D modelling tools. We can also expect educational software to become more immersive for larger groups of students. New retail experiences, for example the ability to create custom configurations of products such as clothes or kitchens, walk around, finetune, and inspect the result in detail before making a final buying decision will also favour this technology.”
Interactive Digital Signage
