Long lamp life but unbeatable brightness with Casio Green Slim projector range

This week's CES – Consumer Electronics Show – technology trade event in Las Vegas was the setting for Casio's announcement of its much-hyped Green Slim projector range, which uses a hybrid laser and LED light source to generate 2,000 to 3,000 lumens of brightness. Mercury-free, the projectors are slim enough to fit into a laptop bag and boast lamp life of around 20,000 hours – nearly ten times that of conventional Casio products.

In a further coup for Casio, projection at maximum brightness with the Green Slim selection is possible in a minimum of eight seconds, while a cool-down period isn't necessary when turning the projectors off. Ordinarily, projectors providing brightness of over 2,000 ANSI lumens function via high-pressure mercury lamps, but LED or laser sources have been mooted for the next generation of DLP projectors.

With a wide-angle 2X optical zoom lens, the latest Casio projectors are said to facilitate effective use in any setting – from a large conference room or classroom to smaller meeting spaces – since they have a feature that automatically corrects vertical display distortion brought about through the projector position.

Laying out Casio's awareness of the need for more eco-friendly, environmentally-safe products, Frank Romeo – vice-president of the manufacturer's business projector division – explained to CES attendees that the super-slim, mercury-free new projector range works via the company's hybrid light source, which is capable of generating high brightness by combining a laser, a fluorescent element and an LED.

He pointed out that brightness of 2,000 or more lumens is achieved by projecting blue laser light, green light (converted from blue laser light with the fluorescent element) and light emitted by a high-lumen red LED through a DLP chip onto the screen.

Due to become available in a diverse line-up, the projector range includes four models able to accommodate WXGA Real display at 1,280-by-800 dpi (a 16:10 aspect ratio), meaning they can display wide presentation materials and images in real size.

Wireless capabilities mean some of the models can also communicate with up to four Windows PCs, enabling meetings in which multiple PCs are brought together, as well as presentations that can be conducted easily and remotely from a location away from the projector. These models can project presentations, spreadsheets, word-processor documents, PDF files, still and moving images simply via the use of USB memory.

Though we're still awaiting details on the pricing and availability of the Green Slim projector line, Casio has confirmed plans to develop further products – including smaller projectors for personal use – that harness its hybrid LED and laser light source.

The Green Slim range, which enables users to connect AV equipment or a PC with a single cable, is due for official launch at the London technology education event BETT next week.

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