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Apr 23 2014

FIRST IMPRESSION: DIGITAL PROJECTION HIGHLITE LASER WUXGA 3D PROJECTOR

Ladies and Gentlemen, the future is here, technology has advanced to replace the lightbulb and paved the way for laser technology in projection systems. Yes that’s right, lasers. Okay, maybe I’m a little to excited here, but as someone who replaces projector lamps every year, I get excited at the prospect of never changing another one.

Digital Projection Systems (DPI) is launching their new 10,000-lumen, laser-powered projector later this summer and with it, are boasting 20,000 hours of nearly maintenance-free run time. The HighLite Laser WUXGA 3D is designed to be a “set it and forget it” system. Replacing conventional lamps with a high-powered laser, creating a solid state illumination system.

Standard inputs include Dual HDMI, DVI, and 3G-SDI are all included as well as HDBaseT connection accepting uncompressed HD video via a CAT6 network cable at a distance of up to 328 feet. Native display resolution of 1920 x 1200 at 24p and 1080p. Built in active 3D capabilities with frame rates up to 144 Hz, image edge blending and warp correction capabilities allow this projector to be used in a variety of applications. Interchangeable lenses with a selection of both zoom and fixed styles also enable flexibility in placement.

Utilizing the latest three-chip DLP technology, this projector utilizes the Dark Chip DMD technology to achieve smoother grayscale and deeper contrast. Measuring at a 2000:1 ANSI ratio, this is well above comparable projectors from other manufactures.

The MSRP for all of this is $44,000, which with a little help from Google, seems to be incredibly reasonably priced. Especially since it is a brand new technology without much competition on the market. I would have expect it to carry a higher price tag. If the hours of operation are true, I wouldn’t mind paying more upfront if my usage costs go down. That is to say, there are no expensive lamps to replace every 1,000 – 2,000 hours.

By Shaun Miller ***See Full Story on www.churchproduction.com

Written by admin · Categorized: Projection Systems · Tagged: 3D Projector, Digital Projection, Digital Projection System, Laser, Laser-Powered Projector, Projections Systems, WUXGA

Mar 26 2014

Lang Evaluates Laser/Phosphor and Laser Projectors

By Matt Brennesholtz
Display Central

At ISE 2014 in Amsterdam, Lang AG (Lindlar, Germany) had both a booth and a private viewing room.  The viewing room focused on laser/phosphor and pure laser projectors and I got a tour of it hosted by Markus Ries, director of Lang Academy, and Peter Mathia, product manager for projectors.

Lang AG is a sales and rental company for professional AV equipment. According to Ries, the company is not a rental and staging company that serves end users directly. Lang acts as a “dry-hire” cross-rental company, serving the market with large quantities of projection, display, LED and image processing equipment. Its customers are not end users, but the rental and staging companies.

Lang Academy is the branch of Lang that does training for ProAV people. This training is more than simple hands-on training for Pro AV installers and operators. For example, last fall it hosted the 4K Forum and in May it’s hosting a free all-day seminar, “Women @ Interactive – Seminar For Women In Media Technology.”

As part of his duties as product manager of Lang AG, Peter Mathia evaluates projectors that Lang is considering purchasing to add to its rental inventory. As part of this projector evaluation program, there were three demos of laser/phosphor and laser projectors in the Lang viewing room at ISE. Mathia also provides feedback, based on measurements he makes, to the projector manufacturers on the suitability of projector prototypes to the Pro AV industry and suggests modifications to designs that would simplify their use in the field. It is then up to the projector makers to decide if these suggestions can be implemented and then do the necessary design work.

The first projector I saw was the NEC pure laser projector. The projector is a 4K, three-panel DLP projector and the lasers are external and connected to the projector by fiber optic cables. Each external laser module provides enough light to produce 5,000 lumens at the screen and the projector I saw was using two modules for 10K lumens. Each laser source was connected to the projector via two fiber optic cables, as can be seen in the photo. The image produced on the screen was excellent, with good colors. Slight speckle was visible in the image when viewed close up, but at normal viewing distances this speckle was invisible.

lang-laser1-0214

Left is the NEC laser projector, with the four fiber optic connections visible. Right is the image produced.
There has been debate about whether laser projectors should have the lasers embedded in the projector itself or if they should be external, perhaps in a central laser room, and connected to the projector via optical fiber. Mathia pointed out to me that these fibers capable of carrying high-powered laser beams cost about $1,000/meter ($305/foot) and this could impose an impossible cost burden on lasers any significant distance from the projector, especially if four fibers were needed to connect the lasers to the projector.

The second demonstration was a side-by-side comparison of the DPI HIGHlite 12K laser projector and a lamp-based projector from Panasonic, using dual 355W UHM lamps. The two projectors had WUXGA (1920×1200) resolution, although the DPI projector used 0.67” DLP imagers and the Panasonic used 0.9” imagers. The two projectors were set up for the same luminance at the screen.

See Full Story on www.ravepubs.com

Written by admin · Categorized: Projection Systems · Tagged: Laser, Laser Beam, Laser Projectors, Phosphor, Professional AV Equipment, Projection System

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