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Explanation of Key Terms

April 20th, 2008

UHP Replacement Lamps
Explanation of key terms

Lamp modules – are made up of two main elements: the lamp (or bulb) and the cage (or housing) including electrical connector.

Lamps – are ultra high-performance light bulbs developed by the world leaders in lighting technology working in close cooperation with the projector & rear projection television manufacturers. The lamp (or bulb) is made up of two components: The burner (or lighting element) and the reflector. These are usually manufactured separately often times in different countries) and assembled together to create a UHP lamp.

Lamp module – are housings produced by the projector manufacturers to accurately seat the lamp and enable user replacement (each physically different projector model usually requires its own cage design). Also known as: lamp unit, lamp module, enclosure, cartridge, or housing.

Original Lamps –  are those manufactured by the original lamp developer holding the technology patent (e.g. UHP™ from Philips). Also known as: OEM.

Compatible Lamps – are lamps that are not the same type as the original lamp placed in the projector by the projector manufacturer. Specifications about brightness and lamp life are always based on the lamp system, which is the lamp and electronics that are designed to warrant safe operation and good performance of the system. Non-original lamps could be copy lamps. Also known as: OEM compatible, original Compatible, or aftermarket lamp.

Copy lamps – are lamps produced by unregulated manufacturing companies not holding the technology patents & not pre-installed by any projector manufacturer. Also known as: OEM compatible, original Compatible, generic, aftermarket, or knock-off.

Refurbishing (or re-lamping) – is the process of removing a used lamp from its cage. Also known as: relamping, refurbishing or redeveloping. Refurbished cages and housings usually have nothing to do with the operation of the lamp itself. The cages merely seat the lamp properly, and we recommend purchasing with a used, refurbished, or re-lamped product which is more environmentally and economically  sound. When purchasing new, look for a recycled label. Cages may be recycled and re-developed into a new lamp cage.

What is OEM?

March 15th, 2008

What is OEM?

OEM stands for Original Equipment Manufacture. An OEM part means that the part you’ve purchased is made by the same company that manufactured it originally.

For example:

Samsung and Sony both manufacture a line of DLP and LCD projection television sets. They don’t manufacture the lamp inside, but order it from their supplier, Philips Lighting. The OEM lamp part is made by Philips. All subsequent aftermarket parts may be manufactured by other companies such as Osram and DNGO.  Philips also manufactures aftermarket replacement lamp parts as well. Because your Samsung or Sony TV uses a Philips lamp out of the box, it’s recommended that you replace it with an OEM part, or OEM aftermarket part made by Philips.

There are many lamp merchants that list items as original replacement, OEM Compatible, or 100% Compatible. This doesn’t mean OEM. Look at the fine print and make sure the lamp you purchase is an original, OEM product. You can look at our Lamp Research Guide to find out who the OEM part manufacturer for your television is, as well as which brands are truly 100% compatible.

When dealing with DLP or LCD projection, there are only a handful of manufacturers you should be on the lookout for when you purchase from a reputable dealer: Philips (the leading manufacture), Osram, Matsushita, and Toshiba. When in doubt, just look at the cost. Cheaper doesn’t necessarily mean better.