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Archive for April, 2008

Explanation of Key Terms

Sunday, 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.