Digital Light Processing (DLP) was invented in 1987 by Texas Instruments. It is named for its ability to process light digitally with the help of an optical semiconductor called Digital Micromirror Device or DMD chip. The DMD chip is composed of more than a million mirrors. The size of each mirror is less than 1 / 5 "the width of a human hair. They are not susceptible to burn-in, but some people notice a defect called rainbow effect (red / blue / green shades). They are basically modern televisions tube (CRT).
As digital video cameras, DLP devices come in either two or three chip models. System One-chip DLP uses a lamp projection of white light passes through a color wheel that sends red-green-blue colors to the DMD chip in a sequential order to create an image on the screen. Three systems DLP chip use a projection lamp to send white light through a prism, which creates separate red light, green, and blue beams. Each beam is sent to the their respective chip red, green and blue DMD to process the image for display on screen.
One-chip models are said to produce a display of more 16 million colors. Three-chip models can produce a display of over 35 trillion colors. Most consumers will be looking One-chip, chips, because the three are usually for very large screens, such as movie theaters. The three chip televisions do not suffer the effect of the rainbow. " Models of a chip are still pretty good television, and have a clear and detailed viewing.
DLP TVs are lighter and thinner than the tubes, but are very heavy and bulky to hang on a wall. They range in size from about 44? -75? and weigh between 65 and 215 pounds (most weigh 75-150). Are 7-22? deep, but most models range 15-20?.
DLP TVs vary in price, but generally runs for about $ 1,500 +. This price is still much cheaper than comparable LCD and plasma screens, but you want to buy a large TV for a good amount of money, or get nothing. So if you are looking for a smaller TV and no want to spend more than $ 1,500, look elsewhere. The cost to replace them should also be taken into account (usually $ 200 per vial).
DLP receives classification for Best TV 7.
The Good: significantly cheaper than LCD or plasma, very good image quality for the price, very cheap for the size of the TV, fine shades of gray, no burn-in, the image smooth stable at 1080p
The Bad: Lamps must be changed every two years (depending use), update, bulky slow rate, not very strong, with games / watching sports / action movies, the "Rainbow Effect", you will find smaller models (or at prices below U.S. $ 1,500), low angles, the technology is becoming dated
** If you buy a DLP TV, Best TV suggests purchase of a security, because the bulbs will eventually have problems
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Article Source: ArticlesBase.com – Best TV Review: DLP
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