Specialty and Architectural Lighting — Projection

While projector lamp modules may fit only one or a limited number of projectors, the bulb inside of the cage may fit dozens or hundreds of projectors from a wide range of manufacturers. This makes bare projector bulbs a popular and versatile product. While it's far easier to replace the entire projector lamp module, bare bulbs are often significantly less expensive. The challenge with buying projector lamps - in housing or bare bulbs - is how...

Learn five signs that it's time to replace your projector lamp. The last thing anyone wants is to be caught with a burnt-out bulb at exactly the wrong time. There are several ways to determine if your projector bulb is reaching the end of its life or is about to fail completely.

Extending lamp life by smart operator use of features provided in the projector settings, can reduce the frequency of buying replacement lamps  - saving on both the purchase price of the new lamp and the staff time and hassle factor of replacement. The major lamp manufacturers - Philips, Osram, Ushio, Panasonic, Iwasaki, Phoenix - have improved the lamp technology such that new lamps can now deliver 4000 hours or more even when operated at full power 100% of the time....

Projector replacement lamp marketing is a circus of confusion for the customer. Sellers of projector lamps stretch the limits of language to present their lamps in the best possible light. "Genuine original lamp" "High quality lamp" "Compatible replacement lamp" "Original lamp inside" "OEM compatible" "High quality bulb inside" "Made from original parts" "OEM lamp" "OEM lamp module" "Factory original module" Each of these phrases may accurately describe what the customer is buying. The problem for...

Ultra-high-performance projection lamps are more than just another component in today’s LCD / DLP digital projector universe. These high pressure lamps, the original invented by Philips in 1994, are the critical factor in the quality of image projected for the viewer. Whether it’s video or data, without a quality lamp, images intended to teach, sell or motivate will fall short - no matter how many bells and whistles come with the projector. Projector manufacturers work...

The language being used to describe the replacement light source for digital projectors is a case study in sales talk often meant to confuse rather than clarify. Here is an example from the web site of a reseller: “We carry 4 versions of the Optoma EW531 Lamp. There are 3 OEM versions: the OEM lamp directly from the bulb manufacturer of the original lamp included with this projector, the same OEM lamp sold by Optoma,...

A footlambert (or foot-lambert) is a unit of luminance. It is used primarily in the projection industry to provide a value for luminance of images on a projection screen. 1 footlambert (fL) is equal to 3.43 candela per square meter (cd/m2). When the footlambert value is known for a projection system (the projector and a screen), assumptions can be made about the clarity of images when viewed with varying ambient light levels in a room....

With an increase in the number of laser projectors on the market, everyone from industry professionals to armchair bloggers seem to be weighing in on the pros and cons of laser versus lamp digital projection. With 2019 here, it seems like a good time to compare the specs, review the arguments, and attempt to provide a basic decision guide for anyone buying a projector for commercial or institutional applications. Compare The Specs Light Source Rated...

When buying a projector - whether for a classroom, conference room or sports bar - “brightness” will certainly be one of the specifications at the top of the list to consider. However, it's not only the projector that determines the perception of brightness for the viewer. While the lumen output of the projector is a key variable, the reflective properties of the screen have a significant bearing on how “bright” the images appear. In addition,...

Brightness sits at the top of the list when thinking about the quality of a projected image whether for conference rooms, classrooms, houses of worship or home theater applications. What are the factors that affect the brightness of a projected image? Projector Brightness When buying a digital projector one of the key metrics found on manufacturer specification sheets is brightness. Measured in lumens, this quantifies the light output of the projector. More lumens, more brightness...