Flat Screen Monitors and How They Work
It's hard even imagine back in the day when we had these huge bulky monitors that took up so much space on our desks. It is no doubt that flat panel monitors are a huge improvement on the old bulky screens.
But, what changed? Why are we able to have such smaller screen now, and how do they even have a better picture in most cases? The difference is one of technology. Older screens, also known as CRT screens, had vacuum tubes, just like non flat panel TV have these days. Vacuum tubes are an old school way to conduct electricity, and in this case, to present a picture through electrical charges.
However, very few things run on vacuum tubes these days. In fact, we have moved on from vacuum tubes to transistors to microchips now. The advent of microchips, combined with LCD, or liquid crystal display, technology, now allows us to watch our televisions, use our computers, and even look at our cell phones differently.
With LCD, there is no need for so much space in the back of the screen for tubes or the electrons that vacuum tubes move around. Now, microchips simply tell the different pieces of the liquid crystal display, or pixels, how to display.
An LCD monitor is comprised of a backlight and a polarized glass sheet, followed by a layer of colored pixels. After that comes the liquid crystal solution (the liquid crystal display part). This reacts to a grid of coordinates sent by the computer to the monitor. These particles will open or close when sent stimuli from electrical charges of various degrees. This allows light to pass through pixels of color to light up the screen, which gives you the color picture.
If you were able to look closely enough (and you can't with your naked eye), you would see that your lcd monitor is not one contiguous display, but it is rather made up of those very tiny pixels, each one corresponding to a different color. We see it as an overall display since they are so small.
Think of it this way – the old vacuum tube televisions had pixels, too, but they had to be more spaced out because of the limitations of the old tech. Remember what it would look like when you got too close to a big screen television? It became distorted because the pixels were so spread apart, and you could actually see them. Same concept here, except there is no way you can get close enough to a flat screen monitor to see those pixels.
Since the display is better and has more pixels packed in on a flat panel, you can even see it at farther viewing angles, because your brain still processes it as a full picture. Also, colors are richer because there are literally more of each color.
There are some serious advantages. One, they use much less electricity. As mentioned above, they also use much less space, and the picture is better. If you are still using an old CRT monitor, throw that thing out (actually, recycle it please!) and get a flat screen monitor!
For more information, check out Casey's site dedicated to the flat screen monitor.
Like gadgets? Check out Casey's other site about bluetooth technology.
Article from articlesbase.com
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AUO files patent infringement lawsuits against Sharp
Today AU Optronics (AUO) and AU Optronics Corporation America filed two complaints against Japan's Sharp Corporation and Sharp Electronics Corporation (together "Sharp") for patent infringement. The first complaint was filed in the United States District Court for the District of Delaware.
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