LCD TV's have a whole set of terms and definitions that you need to understand when selecting your new LCD TV. Here are the essential terms with a short explanation.
LCD (Liquid Crystal display) The abbreviated term LCD describes the thin and sleek display which is associated with the LCM (Liquid crystal module) and consists of PCB (Printed Circuit Board), back-light and the electronics.
Graphic and character In a LCD graphic screen the display region is arranged in the form of dotted matrix. This kind of an arrangement of the display shows up the characters discretely.
Types of LCD The common abbreviated terms used to define the types of LCD are OLED, TFT, FSTN, STN, TN and HTN. They stand for the Organic Electro Luminescent, Thin Film Transistor, Formulated STN or Filtered STN, Super Twisted Nematic, Twisted Nematic and High Twisted Nematic.
Touch panel The screen of any LCD display bears a translucent overlay attached with it which is called the touch panel. Whenever you press one portion of the screen it shows up which part was touched exactly. There are two types of touch panels- analogue and digital. Touch panels are not usually options for LCD TVs.
LCD Viewing Characteristics
Contrast Ratio The contrast ratio describes the ratio between the blackest blacks and the whitest whites of the images. The larger the first number the better. The minimum ratio should be 1500:1 for a normal sized display. Contrast ratios for higher quality LCD TVs should be at least 10,000:1 Learn more why contrast ratio is important
Response Rate Response rate of a LCD TV stands for time required by every pixel of the display during the switch-over between inactive to active states. It is measured in milliseconds which describes the speed at which light passes through the panel.
Resolution The resolution of LCD TV is measured by the pixel count used by the screen in all the dimensions that it can display. Good LCD televisions are available with a resolution of 1280 x 720 which can go up to 1900 x 1320 pixels.
LCD TV Resolution is how many pixels across and down. There are several main standards for Resolution SDTV, EDTV, HDTV Learn more about LCD TV resolutions
Viewing angle The viewing angle of a LCD display defines the direction of viewing the screen in order to get best contrasts. The direction of polarizing film is responsible for the viewing angles and this is decided when the television set is manufactured. Hence it cannot be changed later. There are few types of viewing angle among which the top and bottom angles are the general ones..
LCD TV Inputs
When you plan to buy a LCD TV and actually shop for it, you should know all the terms and what they mean from a technical point of view. Few of them are simple and you must be aware of the meaning, however, some of the terms are too technical and most of the buyers fail to interpret them. HDMI High definition Multimedia Interface is the standard that measures the quality of interface for the external audiovisual devices.
Component video output The component video output is a connectivity option available with the good LCD TVs.
Negative image The displays that feature the darker backgrounds with the active segments in light shades are known as negative image. These displays need a backlight to show all possible segments. These are all common terms knowing which will help you understand the features of a LCD television in a better way so that you can easily select the right one.
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