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LCD
Last modified: Tuesday, May 12, 2009 

Short for liquid crystal display, a type of display used in digital watches and many portable computers. LCD displays utilize two sheets of polarizing material with a liquid crystal solution between them. An electric current passed through the liquid causes the crystals to align so that light cannot pass through them. Each crystal, therefore, is like a shutter, either allowing light to pass through or blocking the light.

Monochrome LCD images usually appear as blue or dark gray images on top of a grayish-white background. Color LCD displays use two basic techniques for producing color: Passive matrix is the less expensive of the two technologies. The other technology, called thin film transistor (TFT) or active-matrix, produces color images that are as sharp as traditional CRT displays, but the technology is expensive. Recent passive-matrix displays using new CSTN and DSTN technologies produce sharp colors rivaling active-matrix displays.

Most LCD screens used in notebook computers are backlit, or transmissive, to make them easier to read.

Sponsored listings

Clarity Matrix LCD Video Walls - Innovative LCD Displays from Planar Systems. Our LCDs are hold up to the riggors of professional use - learn more online.

GlobalSpec.com: Liquid Crystal Displays (LCDs) - Database of suppliers for liquid crystal displays, X-Ray diffraction instruments and more. Provides catalogs and supplier contact information.

  Related Links

Comparison of LCD to typical CRT monitors
A comparison between flat LCD and traditional CRT monitors, including display sizes, physical size, display charactersitics, and energy features.

Flat Panel Display Technology Overview
Outlines the various flat panel display technologies, including DSTN, TFT, Plasma, FEDs, etc. Includes graphics, diagrams and an integrated glossary. This page is from "The PC Technology Guide."

LCD Information and Technical Forum
Contains links to LCD information sources, FAQs, projects, applications, data sheets, products, tradeshows, publications, manufacturers, and related Web sites.

Polymer and Liquid Crystals project
Contains a virtual library and lab that provides introductory information about polymers, liquid crystals, and polymer liquid crystals.

Trends in AM LCD Technology
Describes LCD versus CRT and other aspects of AM LCD displays.

Active Matrix LCD Technology Paper
Describes the manufacturing and infrastructure of active matrix and liquid crystal displays.

Report on Japanese display technology R&D
This June 92 report is one in a series of reports prepared through the Japanese Technology Evaluation Center (JTEC), sponsored by the National Science Foundation (NSF) . The report describes research and development efforts in Japan in the area of display technologies. Includes information on electroluminescent, plasma, and liquid crystal displays.

Related Categories

Digital Cameras

Digital Photography

Flat-Panel displays

Green IT

Monitors

Output Devices

Peripheral Devices

Related Terms

active matrix display

backlighting

CSTN

dead pixel

digital camera

DLP

DSTN

electroluminescent display (ELD)

flat-panel display

gas-plasma display

LCD monitor

LCD printer

LED

notebook computer

OLED

PLED

reflective

supertwist

TFT

transflective

transmissive

LCD Products :


Top Store Offers:
Abt Electronics  749.99Samsung 37 Black Flat Panel Series 5 LCD HDTV - LN37B530/ 1080p (1920 x 1080) Full HD Resolution/ 60,000:1 Dynamic Contrast Ratio/ Wide Color Enhancer...
CompuVest  3185.17
Beach Camera.com  429.00720p HDTV, Viera Image Viewer, Viera Link, 10,000:1 Contrast Ratio, 32" Class HD LCD
Abt Electronics  299.99Toshiba 19 Black LCD Flat Panel HDTV/DVD Combo - 19LV610U/ 720p (1366 x 768) Resolution/ Built-In Slot Loading DVD Player/ Built-In ATSC/NTSC/QAM Digi...
CompuVest  3738.87

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