Projector light bulbs are usually known as Projector Lamps. A projector lamp is used for visual interaction. It reflects an image on to a screen from videotape, mirror or video reel. Projector lamps are widely used in educational institutions, business conferences, and movie or home theatres. Projector lamps have an average life of 2000 hours. Improper handling of projector bulbs can reduce their life drastically. The surroundings where the bulb is used should be properly ventilated.The Air filter of the Projector lamp must be cleaned periodically to increase the effectiveness of the bulb.
Projector light bulbs are available in a variety of shapes and sizes. Sometimes they appear to have the similar shape and size but they may have different voltage or wattage. Therefore, they must not be interchanged without proper knowledge and identification. Projector light bulbs have good and efficient light output but they have a short life. They do not last long. They must be switched off soon after they are not needed. Also, they should not be touched with bare hands as body oils and dust can dampen the light of the bulb and also can reduce the life of the bulb.
There are three main kinds of Projector Lamps available on the market. They are Overhead projector Lamps, Slide Projector lamps and Multimedia projector lamps.
Overhead Projector
Overhead Projectors are very useful in visual communication. The main purpose of Projector light bulbs in Projectors is to flash light on the screen and fill out the screen space to distinguish writing or overhead transparencies. Some overhead projectors that are very popular are EVW, FCS, EPR, ENX, BVE, FHS, DYS etc.
An overhead projector is widely used by educational institutions and in business conferences. In this type of projector, the bulb reflects the image on to a special mirror that projects the image on to the screen and enlarges it. An overhead projector is cheaper and more affordable than other types of projectors.
3M Projectors are very popular on the market these days. They are provided by the manufacturer and seller known as 3M. They are one of the leaders in Overhead Projector Lamps. They provide high brightness and perfect color in their bulbs and Lamps. Their bulbs also have a long life that reduces the replacement cost.
Slide projector Lamp
A slide projector lamp has slides that enlarge and project the image on to a larger screen. These types of projectors are useful for slide shows in educational institutions, business conferences, photography etc. Slides are easier to maintain and can be kept for quite a long time.
Multimedia Projector
Multimedia Projector is the most expensive of all. It reflects the images onto a wall or movie theatre screen from DVD, videotape etc. They can be used in movie theatres and home theatres.
LCD projectors
LCD projectors that are Liquid Crystal display projectors split the light into the color pixels of blue, red and green color with the help of special glass. These pixels create the image on to the screen. LCD projectors can be used in home theatres, movie theatres as well as educational institutions. They are less portable and quite expensive. But they do provide a bright and highly precise light.
Improper handling of projector light bulbs can reduce their life drastically