Shop Today’s HDTV Technology to Make the Right Purchase

Posted on November 1, 2009
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HDTVs are in more homes than ever today, and those who don’t have them yet are preparing to buy them. Today’s sleek, flat HDTV designs plus crystal clear picture quality are a dream come true for TV lovers.

Today there is a huge variety of HDTV styles, sizes and brands on the market. Depending on the size, brand name and HDTV features, you can spend just a few hundred dollars or up to a few thousand. The most important thing to keep in mind when purchasing an HDTV is your personal preferences and how to best meet them within your budget.

Browsing online HDTV retailers is a great way to understand and decide on features and exactly what you want in a new TV. You can also explore reviews of popular HTDTV brands to learn about consumers’ experiences, preferences and complaints. The more you learn about HDTV options, the more you’ll know what you really want when it comes to this technology.

Today there are 6 types of HDTVs to choose from: Cathode-ray Tube (CRT) direct view, Rear Project CRT, Liquid-Crystal Display (LCD), Plasma, Microdisplays and Front Video Projector TVs.

CRT direct view TV utilizes a cathode ray bue, grids and anode, and vacuum sealed glass housing. Analog signals or digital signal processing circuits are used by CRTs to produce pictures. This type has been in service for a long time and is still very effective in translating adequate video and audio from HDTV type networks.

The CRT rear projection TV uses the same CRT set up but projects the images onto a much bigger screen using lenses and mirrors. It’s easy to make large screen TVs this way, but the resolution won’t be adequate without digital signal processing circuits that improve the images. Most of these types come with built-in stands. These are great for home theaters.

In Liquid Crystal Display TVs, thousands of tiny elements containing a liquid crystal solution are manipulated into various positions by super small transistors. A fluorescent backlight source is polarized before its light reaches the elements. By manipulating these crystals to open and close or twist into different positions and using miniature color filters you can have a full-color video. LCD TVs weigh less than their CRT counterparts.

Plasma TVs have fixed pixel structure. Red, green and blue pixels are shaped inside an assembly of intersecting struts sealed between 2 glass plates and a static gas mixture is present in any given pixel. Electric voltage applied to any particular pixel ionizes gas that produces ultraviolet light which in turn strikes different colored phosphors and produces colors. A black color results when the voltage is removed. Through the usage of additional electrodes, the charging and discharging of gases is sped up, making full-motion video possible.

Microdisplay TVs uses digital micro mirror technology to refract light which is then projected to a wider screen.

Front Video Projector TVs have the same technology as the CRT rear projection TVs.

Once you know what type of HDTV you want, you need to decide on a size. Keep in mind that bigger isn’t always better with HDTVs. You should choose a TV that suits the room where it will be viewed. A better quality 42-inch HDTV could allow you to make more of your budget compared to buying a lesser quality big screen TV.