Display Technology
New large-format yellow tri-color e-paper displays open the door to more effective and engaging signage
P
ervasive Displays (PDi), an e-paper displays (EPDs) provider, has launched its new range of large-format tri-color
displays that render text and images in yellow, as well as black and white. With both 7.4 and 12.2 inch models available, the new EPDs open up fresh opportunities to enrich customer experiences by displaying information in three colors. E-paper displays are an increasingly popular choice for signage in locations with no mains power, thanks to their ability to operate for months or even years on a single battery. The addition of yellow to the color palette adds greater flexibility, making this display technology a more attractive option in a wider variety of applications. Signage where information must be dynamic, but only changes infrequently, is an ideal use case for this new range of displays. Office meeting room schedule screens, bus stop real-time
departure boards, retail signage and museum information placards (particularly those used in temporary exhibitions or where multiple languages are required) could all be enriched by using tri-color e-paper displays. The yellow e-ink could highlight specific information, such as important facts, changes to bus times or special offers. Both the 7.4 and 12.2-inch models have state-of-the-art driving waveforms that enable the display of high-quality images at 126 dpi and 103 dpi respectively. And their internal timing controller (iTC) reduces the amount of peripheral circuitry and programming required, resulting in slimline, easy-to-use devices. Alchin Wang, general manager, Pervasive Displays, says: “Signage needs to perform a number of key goals, attracting people’s attention and then conveying information as quickly and
clearly as possible. The addition of yellow e-ink helps product and service designers on both fronts, thereby supporting better customer experiences.
“This is in addition to the other characteristics of e-paper displays that make them perfect for use in indoor and outdoor signage. These include low
energy requirements, wide viewing angles and the use of physical e-ink particles that reflect ambient light, which ensures what’s on the display remains readable even in bright sunlight.”
pervasivedisplays.com
Midas Displays introduce range of HDMI TFT displays D
isplay manufacturer and supplier, Midas Displays, has announced the introduction of a range of plug and play HDMI TFT display modules. The new
displays are available in three different size and resolution options, have excellent brightness and contrast performance, and feature a fully integrated interface PCB. With the addition of a Raspberry Pi SBC, the Midas Displays HDMI TFT display module becomes a fully functional, easy-to-use LCD monitor. The integrated interface PCB has a 40-pin GPIO interface and a standard 19-pin type-A HDMI interface connector, enabling direct connection of a Raspberry Pi SBC. The HDMI TFT modules can also easily be used with many other single board computers. These key features enable the HDMI TFT displays to be used with any external HDMI input source. Midas Displays also supports interconnect solutions to enable enhanced connectivity of the Raspberry Pi to the HDMI TFT display module. A bespoke HDMI to HDMI interconnect board connects the HDMI output of the Raspberry Pi to the display mounted interface PCB, and a Type-A USB to Micro-B USB cable enables touch-screen functionality to be implemented. All three display modules feature excellent optical performance which ensure bright, clear and concise images, high brightness white LED backlights, and a 16:9 Landscape aspect ratio. The operating temperature range of -20°C to +70°C enables reliable operation in extreme temperature environments. For applications that require a dedicated graphical user
interface, capacitive and resistive touchscreen options are available for all modules. Paul Barton, technical director, Midas Displays says, "Our new HDMI TFT display module product range has been designed and produced to meet the needs of engineers and developers in the embedded and industrial market sectors. Our key goals were to provide a simple yet versatile display solution that could be used with an external HDMI input source. The industry standard video interface HDMI, is extensively supported on single board computers, personal computers, industrial equipment and many other embedded applications. Enabling a 'plug and play' HDMI TFT display in a range of sizes and resolutions, coupled with a choice of touchscreen options, provides designers with an easy-to-use display solution that is ideal for prototyping and product development." The three HDMI TFT display modules currently available have the following attributes: The 5.0-inch MCT050HDMI-A features WVGA resolution (800 x 480 pixels), a brightness of 500cd/m² and a contrast ratio of 500:1. The mechanical outline dimensions are 120.70mm (w) x 75.80mm (h) x 21.50mm (d) with an active display area of 108.0mm (w) x 64.8mm (h). The 7.0-inch MCT070HDMI-B features WSVGA resolution (1024 x 600 pixels), a brightness of 600cd/m² and a contrast ratio of 800:1. The mechanical outline dimensions are 164.80mm (w) x 99.80mm (h) x 24.80mm (d) with an active display area of 154.21mm (w) x 85.92mm (h). The 10.1-inch MCT101HDMI-A features WXGA
resolution (1280 x 800 pixels), a brightness of 1100cd/m²
and a contrast ration of 800:1. The mechanical outline dimensions are 230.56mm (w) x 155.01mm (h) x 25.60mm (d) with an active display area of 216.96mm (h) x 135.6mm (w).
The new Midas Displays 5.0", 7.0" and 10.1" HDMI TFT modules have outstanding optical performance and compact mechanical dimensions, enabling these displays to be used in a wide range of industrial equipment and embedded applications. The new HDMI TFT display modules are available directly from Midas Displays, and via Midas Displays sales channel partners and franchised distributors.
midasdisplays.com
16 September 2019
Components in Electronics
www.cieonline.co.uk
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