TFT means, Thin Film Transistor
LCD meaning Liquid Crystal Display.
CRT stands for Cathode Ray Tube.
A thin film transistor liquid crystal display is a variant of liquid crystal display which uses thin film transistor technology to improve image quality (contrast etc). TFT LCD is one type of active matrix LCD, though all LCD-screens are based on TFT active matrix addressing. TFT LCDs are used in television sets, computer monitors, mobile phones, computers, projectors and many more.
The Display industry
Due to the very high cost of building TFT factories, there are few major Original equipment manufacturer panel vendors for large display panels. The top seven glass panel suppliers are as follows:
- Samsung
- LG Display
- AU Optronics
- Chi Mei Optoelectronics
- Sharp Corporation
- CPT
- Hannstar
Raw LCD TFT panels are usually factory-sorted into three categories, with regard to the number of dead pixels, back light evenness and general product quality. Additionally, there may be up to a 2ms maximum response time difference between individual panels that came off the same assembly line on the same day. The poorest-performing screens are then sold to no-name vendors or used in "value" TFT monitors (often marked with letter V behind the type number), the medium performers are incorporated in gamer-oriented or home office bound TFT displays (sometimes marked with the capital letter S), and the best screens are usually reserved for use in "professional" grade TFT monitors (often marked with letter P or S after their type number).
Monitor value
Value TFT screens and most 15 inch (381 mm) sized LCDs usually lack a digital input like DVI connector, so their future proofing may be limited. Most displays larger than 17 inch (432 mm) have both a VGA analog input and a DVI digital input sockets. Almost all professional screens include a DVI socket and some also include a pivot mode for display.
attribution: http://en.wikipedia.org/wiki/TFT_LCD
8 comments:
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How does those too things relate to computer displays!!,!,!
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