eHow launches Android app: Get the best of eHow on the go.

  • Bookmark and Share

LCD TV

    LCD TV Editor's Picks

    • What to Look for in an LCD TV

      With the 2009 change to digital TV and the increase in HD movies available, more people are looking to upgrade to an HDTV. While plasma televisions have long been reliable, more people are looking to LCD TVs for their television needs. If you are in the market for an LCD TV, there are some things to consider when making your decision. more »

    • How to Troubleshoot a Thomson LCD TV

      When your Thomson LCD TV has technical errors, there are a few methods to get it back up and running as quickly as possible. Learn a few ways to learn about and fix common technical problems on your own, or the best ways to get expert assistance. more »

    • How to Clean a Polaroid LCD TV

      LCD TVs are costly investments. Regular cleaning and maintenance will keep them working like new. Polaroid LCD TV screens must be cleaned with care to avoid damage and keep them running properly. more »

    • How Do I Clean My LCD TV?

      LCD stands for "Liquid Crystal Display." LCD TVs are typically smaller and can relocate more effectively. It is important to keep the LCD TV clean so dust does not seep into any open slots or vents. In addition, the screen can become dirty enough to obstruct the view. Typically, screens become dirty from fingerprints and collected... more »

    • How Does an LCD TV Work?

      A Liquid Crystal Display TV is made of two flat sheets of glass. These sheets are treated or "polarized" to allow certain wavelengths of light to pass through while blocking others. Because of this, the sheets are known as substrates. Between the substrates is a liquid crystal solution. A back light is shown through the rear substrate... more »

    LCD TV Quick Guides

    • Flat Panel Monitors

      Gone are the days of bulky monitors that take up half of your desk. Flat panel...

    LCD TV Articles

    • How to Buy a Portable LCD TV

      Portable TV sets have come along way since they first starting popping up in the 1980s. Today, you can buy portable LCD TV sets that have a... more »

    • How to Clean My LCD TV Screen

      There's nothing quite like watching sports, movies or just your favorite shows on a high definition LCD TV. As with any television, though, the... more »

    • How to Measure an LCD TV Screen

      Shopping for a used LCD TV rather than a new one could save you hundreds of dollars. If the LCD TV doesn't come with a manual, however, you may be... more »

    • How to Hook Up an LCD TV

      Making the switch to LCD display technology will make your television watching much more enjoyable. Not only will you have the ability to watch... more »

    • How to Pick a Good LCD TV

      LCD stands for "liquid crystal display," which describes how LCD TVs show their images. The liquid crystal is pressed between two pieces of clear... more »

    Wikipedia

    LCD television

    Liquid-crystal display televisions (LCD TV) are television sets that use LCD technology to produce images. LCD televisions are thinner and lighter than CRTs of similar display size, and are available in much larger sizes as well. This combination of features made LCDs more practical than CRTs for many roles, and as manufacturing costs fell their eventual dominance of the television market was all but guaranteed.

    In 2007, LCD televisions surpassed sales of CRT-based televisions worldwide for the first time, and its sales figures relative to other technologies is accelerating. LCD TVs are quickly displacing the only major competitors in the large-screen market, the plasma display panel and rear-projection television. LCDs are, by far, the most widely produced and sold television technology today, pushing all other technologies into niche roles.

    In spite of the LCDs many advantages over the CRT technology they displaced, LCDs also have a variety of disadvantages as well. A number of other technologies are vying to enter the large-screen television market by taking advantage of these weaknesses, including OLEDs, FED and SED, but none of these have entered widespread production.

    Description

    Basic LCD concepts

    LCD televisions produce a colored image by selectively filtering a white light. The light is typically provided by a series of cold cathode fluorescent lamps (CCFLs) at the back of the screen, although some displays use white or colored LEDs instead, a method that is being increasingly used by the likes of Samsung and Sony on many of their latest TVs. Millions of individual LCD shutters, arranged in a grid, open and close to allow a metered amount of the white light through. Each shutter is paired with a colored filter to remove all but the red, green or blue (RGB) portion of the light from the original white source. Each shutter–filter pair forms a single sub-pixel. The sub-pixels are so small that when the display is viewed from read more at » http://en.wikipedia.org/wiki/LCD+television

    Related Ads

    LCD TV People & Community

    Connect with people who share your interest by joining one of our Groups:

    Topic Contributors
    Get Free Electronics Newsletters

    Copyright © 1999-2009 eHow, Inc. Use of this web site constitutes acceptance of the eHow Terms of Use and Privacy Policy.   en-US Portions of this page are modifications based on work created and shared by Google and used according to terms described in the Creative Commons 3.0 Attribution License.

    Demand Media