Jun 6, 2013 2:51 PM, By Bennett Liles
Falling prices and expanding roles for flatpanel displays have pushed them into more applications while broadening the feature sets for these devices. Growing in screen size and popularity, the LED/LCD units have ventured into the daylight with new screen surfaces, high brightness, and wider viewing angles for digital signage installations. One of the more interesting developments has been in touchscreen applications with larger and more durable indoor/outdoor models. Here, we have a look at a wide group of the newer displays with 24/7 operating reliability and other modern capabilities.
BenQ has combined the features of touchscreen technology with multimedia connectivity to produce the T650 interactive flatpanel, and provide a more immersive classroom media experience. The Optical Sensing Touch Technology allows a USB 2.0 connected computer to be controlled by touching the T650 display screen while the ambient light sensor automatically adjusts screen brightness to suit the classroom. Sound from media sources is heard through built-in 12W speakers, and there is an external speaker output. The 65in. diagonal screen provides 1920x1080 resolution. The 178-degree horizontal/vertical viewing angle allows students to see a bright picture from the edges of the room. Video inputs include HDMI, DVI, VGA in/out, component, S-Video, and composite video. Remote control is on RS-232 (in/out). Other features include automatic scheduling, picture-in-picture, and built-in videowall support.
The High Definition Series video LCD monitors from Boland Communications are available in a range of sizes topping out with the new 72in. model. With resolution up to 1080p, the monitor can input HD/SD-SDI, HDMI, DVI, composite, S-Video, component, and PC VGA. It is capable of showing aspect ratios of 4:3, 16:9, 1.85:1 in adjustable presets and other features include digital adaptive comb filters, picture-in-picture, picture-by-picture, 10-bit digital processing, and 1400:1 contrast ratio. The display light source is composed of color-match fluorescent lamps, and there are five variable color temperature adjustment menus. The unit weighs 68lbs., and has a VESA 100 and 200, 10-32/M5 mounting pattern.
For digital signage applications, Christie Digital Systems has introduced the new FHD55-W LED edge-lit, LCD outdoor display with a 55in. screen, 1920x1080 resolution, 6.5 milliseconds response time, and landscape or portrait orientation capability. This all comes inside an IP56, NEMA 4 weatherproof housing. The unit has inputs including DisplayPort, HDMI, DVI-D, VGA, composite, component, and S-Video. It can be remote controlled through its RS-232 port or by infrared on the 3.5mm mini jack. Audio can be input and output on 3.5mm jacks, and it includes two integrated and weatherproof 4Ω, 10W speakers. Also featured are picture-in-picture, Image Retention Frame Motion (IRFM) mode, DACS cooling and filtration system, and aspect ratio control. Without the mount, the unit weighs 121lbs. and it is only 4.8in. thick.
The LD4710 47in. digital signage display from HP includes an Ethernet port, which can be used with HP’s Network Sign Manager software to enable immediate changes to network connected units. There is also an onboard Media Sign Player to run pictures, movies, and music from a USB drive. For videowall installations, the bezel size is only 0.7in., and the monitor includes a DisplayPort loop-through to simplify cabling. With a brightness figure of 700 cd/m², the LD4710 can be mounted in high ambient light environments where its 1920x1080 resolution screen can be viewed at an angle up to 178 degrees horizontal and vertical. In addition to the DisplayPort in/out, the unit can accommodate HDMI and loop VGA video signals, as well. Also controllable on an RS-232 loop-through, it has options including a pair of 10W HP digital signage speakers.
For large digital signage applications, Hyundai offers the 82in. D825ML CCFL backlit LCD display with a metal frame and 600 cd/m² brightness. Operating either in landscape or portrait orientation, each unit can be daisy chained for RS-232 control, and HDMI, VGA, component (BNC), and composite video signals in videowall installations. Its bezel width of less than an inch and a half is an asset. Features include automatic cooling and power control, along with 1080p native resolution, 178-degree viewing angle and an onscreen display menu. Among available options are touchscreen function and tempered glass. Audio can be input separately for the PC, component, and composite video inputs. The unit weighs 296.6lbs. and has a 1540mmx600mm VESA mounting pattern.
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