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Display Monitors Technology Showcase

Dec 28, 2011 10:18 AM, By Bennett Liles


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Akira ALM55Z3

Akira ALM55Z3

Led by the explosion of digital signage applications, the professional large-screen video-monitor industry has expanded the capabilities and reliability of these devices through diagnostics, auto-sensing, increasing temperature-operating ranges, and keeping a broad selection of input ports. Many included here also feature video and control signal-loop-through ports for videowall applications. Our current roundup in this field highlights these new capabilities, and it should serve to demonstrate the technical trends in the large-screen professional monitor market.

Akira designed the 55in. ALM55Z3 with a slim bezel width of 5.3mm and four DVI input ports—each of which loops through to its corresponding DVI output—for public displays operating continuously and for easy configuration into multi-monitor setups and videowalls. RS-232 also loops through for daisy-chained serial control in videowalls up to 99x99 units. The newest model in the ALM series, the LED-backlit ALM55Z3 also has a removable electronic compartment for easy servicing and separate installation of the electronics and the LCD panel. The monitor provides 1920x1200 screen resolution with a brightness figure of 700cd/m².

Boland 3G55

Boland 3G55

The 55in. 3G55 LCD video monitor from Boland Communications shows wide HD and SD SDI digital along with HD HDMI/DVI at 1080p, 720p, 576p, and 480p with a 3G HD SDI (SMPTE 259M/ 292/296) input. Analog inputs include composite, Y/C, PC VGA, and PC/Mac. All 12-bit digital processing produces 1.06 billion true colors. The 3G55 can produce picture-in-picture by inserting a variable position video source over a PC or HD image and the window size is adjustable. It can also produce separate displays side by side with brightness up to 500 nits (cd/m²). Remote control includes IR and bi-directional RS-232 with TCP/IP as an option. Color-match fluorescent lamps are the light source with five variable color-temperature-adjustment menus and a more than 50,000-hour lamp life.

HP LD4720tm

HP LD4720tm

For touchscreen applications where monitors may be daisy-chained on a single media player, the 47in. LD4720tm from HP delivers 700-nits brightness and a 1200:1 contrast ratio. For centralized control of multiple displays, HP’s Network Sign Manager application is included and the embedded HP Media Sign Player is embedded into the monitor. The unit can accept VGA, HDMI/DVI, and DisplayPort; it also includes a LAN port for networked control. Features include VGA and RS-232 loop-through ports along with audio input and dual speaker outputs. Typical power consumption is 270W, and the power supply is auto-sensing from 100VAC to 240VAC.

Hyundai H466AC

`Hyundai H466AC

Hyundai crafted the 46in. H466AC LCD panel to provide bright digital signage display in a wide range of viewing environments with its all-weather-capable IP66 rating and special tempered security glass. The monitor shows 1366x768 (WXGA) resolution and 16.7 million colors with a contrast ratio of 3000:1. The CCFL backlight is rated at 50,000-plus hours, and the input connections include VGA and HDMI. For remote operation, there is also a serial RS-232 port. With a typical power consumption of 450W, the unit also has automatic heating, cooling, and brightness control along with an optional anti-graffiti feature.

Ikegami HLM-3250W

Ikegami HLM-3250W

Ikegami’s 32in. HLM-3250W top-of-the-line LCD HD video monitor is a lightweight, low-power-consumption, full 1920x1080-pixel flatpanel display that supports multiformat SDI input as well as DVI-D and VBS inputs as a standard feature. A 3G-SDI input is available as an option. The monitor employs an LCD panel with a 178-degree horizontal/vertical viewing angle, 500cd/m² brightness, 1300:1 typical contrast ratio, and 10-bit color reproduction. The HLM-3250W achieves real pixel allocation without resizing. It includes built-in test patterns for a wide range of broadcast applications, and it can be used in monitor walls and digital signage. It also provides an HD (and SD) video display as well as a vector scope and waveform display, adjustable horizontal or vertical color-coded-embedded audiometers, and as an option, embedded audio output.

JVC GD463D-10

JVC GD463D-10

With 1920x1080 native resolution, super-slim 10W speakers, and touch-sensor operation with a key lock function, the GD463D-10 46in. LCD monitor from JVC includes 3D viewing. The model uses a 3D decoder compatible with both side-by-side and line-by-line 3D video input signal formats. The unit has a range of input connections including three HDMI inputs, a 15-pin PC input, and component and S-Video in. 3D viewing is made possible through the use of special polarizing glasses, and installation is made easier by the slim 1.5in. thickness at the monitor’s most thin point. Another mounting method is provided with the included swivel stand.



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