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Glossary

Definitions of DTV, HDTV & 3DTV Terms

1-9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Term Definition

Letterbox Letterbox is the term used when 16:9 content is viewed on a 4:3 screen. In order to display the widescreen content without distortion or missing parts of the picture, the television will place black bars at the top and bottom of the image.
LCD Liquid Crystal Display.
LCD TV Liquid Crystal Display Television. LCD televisions are sets that use LCD technology to produce images. Benefits of LCD technology include lower weight and reduced power requirements when compared to other display types. Often, LCD television screens can also be used as computer monitors.
LED Light Emitting Diode.
LED TV A LCD display with LED backlighting, offering superior black levels to standard (CCFL) LCD displays.
LPTV Low-Power TV. These are TV stations who are locally-oriented broadcasters -- operated by high schools/colleges, churches/religious groups, local governments, small/large businesses and individual citizens. There is currently no deadline for these categories of stations to convert to digital broadcasting.