Showing posts with label plasma. Show all posts
Showing posts with label plasma. Show all posts

Tuesday, October 19, 2010

LCD TV Vs Plasma TV

Working with televisions has been an extraordinary experience. I get to play with the newest televisions all the time and get to test them out before I put one of these expensive monsters in my own home. So when I'm at a party I'm constantly asked what's the best television to buy or what's the best LCD or plasma, so instead of repeating myself I am going to write this article and then I will also tell my friends to read it so I'm not asked any more.

When purchasing an LCD or Plasma television you are actually choosing between technologies. Now both of these technologies have both disadvantages and advantages, within this article I am going to discuss some of them. You can then make an educated decision on what television you would like to put in your own home.

Picture quality should be your top concern however there is no difference between plasma and LCD televisions in my opinion. Sure some manufacturers will make better televisions than others. If you compared two competing manufacturers however with competing technology in the same price range it would be hard to pick a clear winner.

The weight of the television maybe a factor to you and if it is I would recommend a LCD television as most of these in my experience have been lighter and easier to move than their plasma counterparts.

The type of use you're going to get out of your TV should also be a factor to take into consideration. If you're going to use your TV for a computer monitor like I do then I would recommend a LCD TV because plasma televisions suffer from something called an image burn and this is when an image stays on screen for too long the image will become imprinted in the screen because they have effectively burned into the screen.

Overall the decision whether to use a plasma screen or a LCD screen is down to the individual user, personally I prefer LCD screens.


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Plasma Brackets For Your New Large Screen TV

It is always amazing that a consumer will shell out a couple of thousand dollars for a 55 to 60 inch plasma television only to take it home and set it on a coffee table against the wall. For a few dollars more they can purchase a sturdy set of plasma brackets that will get their entertainment display up off the floor, and in a better viewing range for everyone to see in the room. There have been an increasing number of toddler deaths in the past few years from these top heavy televisions tipping over on the child when they are climbing on the furniture, and this is easily preventable with the use of brackets.

So from a pure safety standpoint investing in a set of flat screen brackets is a necessity to not only prevent the above mentioned, but also from the TV just being knocked over and damaged beyond repair. Depending on the thoroughness of installation, it can take two people only a few hours to mount the brackets, and secure the television on your living room or bedroom wall. If you want to hide all of the wiring in the wall, it may be a wise choice to hire a home theater specialist to come out and perform all the necessary upgrades, and installation for you.

When selecting your new television, you may be able to get a discount on purchasing the brackets and in home installation as a turnkey package from the reseller. This will put the burden squarely on their shoulders, and prevent you from damaging your plasma display or the walls in your home if you are not handy in this capacity.


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Plasma Or LCD Televisions - Which One Should You Get?

Since the invention of flat screen televisions it seems that everyone has quickly made the change to having one. I don't blame them flat screen televisions are awesome. They take up less space, give better picture quality and more often than not they are massive in size. There are two types of flat screen televisions one of them is a Plasma screen and the other is a LCD screen. Both of these types have advantages and disadvantages.

Plasma screens tend to be much heavier and because of this are harder to move around. Where as LCD screens are a little lighter making them easier to move around your home. Personally I love both. Picking either a plasma or LCD screen will be an excellent choice.

The one thing you should take into consideration is your budget. Plasma televisions are generally more expensive and I honestly can't tell why because to what I have seen there appears to be no difference in quality between the types of screens. The price may affect which TV you would like to purchase and if you're looking for something that isn't going to cost the world then I would recommend a LCD TV.

One more thing you should take into consideration when purchasing a television is the size you need/. Now most people think that you should go with the biggest size TV that you can afford and I thought this too and bought a 50 inch monster television, but when I got home the thing was too big to fit in my room. I took this TV back and got a 42 inch one instead, I also used the extra money and put it towards a 32 inch LCD TV for another room in the house.


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Monday, October 18, 2010

Basic Construction of a Plasma Television Display

In a plasma screen, there are over sixteen million pixels making up the display. Each of those sixteen million are made up of three pixel colors of blue, red and green phosphors, which are evenly distributed across the screen. The entire screen which you view, or rather the picture you watch is made up of a combination of these three colors.

The plasma itself sits and operates between two thin glass panels. Millions of tiny images (made up of the greens, reds and blues) are made by the illumination of fluorescent lights put through them. And the plasma is made of a gas made up from electrically charged atoms and negatively charged particles. Then electricity is passed through it, which starts the 'lighting' process, or what we see on-screen.

Plasma TV's are at the top end of the scale, when it comes to price compared to other types of flat screen. But is there an advantage we clearly see with a plasma TV, compared to LCD?

Because of the flat screen, there is no edge distortion which you sometimes get on normal or CRT TV's.

View movies made in widescreen or 16:9 format as they should be - in widescreen, not with half a picture cut off! And you know how annoying and frustrating that can be, when you get half the picture cut off or you can't see the subtitles at the bottom of the screen!

With a plasma, brightness of the display is uniform from one corner to the other. With conventional TV's you get bright and dark mixed colors, but you don't have this problem with a plasma display. All sixteen pixels are illuminated evenly.

A major problem with the old type televisions is the huge amount of space they take up in your living room, but this problem is non existent with a flat screen. Because of the slim design, plasma televisions give more options when it comes to mounting them. Be it eye level height, or up higher you can mount a plasma on the wall or it can sit on a normal TV stand.

Another thing which is great about plasmas is that magnetic fields do not interrupt the screen. Plasma displays work completely different from conventional televisions, which uses electron beams, which as you know can be affected greatly by magnetism.The advantages of a plasma can easily be seen here. So you know that sound system you wanted to plant right next to your TV set? With a plasma, you can have the speakers as close as you like without it affecting the picture.


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Plasma TV Cabinet Furniture For Your Living Room

There are times when it is just tasteless or down right tacky to install a 55 inch flat screen television on a wall in your living area. Some homeowners do not want them in sight when not being used, and even have remote drawn works of art that are hung over the TV to keep it out of site. A simpler and more cost effective way would be to purchase a plasma TV cabinet for your living or great room. When you are through viewing your favorite shows, or DVD you can then just close the cabinet doors, and your gigantic home theater viewing screen is not present until needed again.

Many fine furniture manufacturers have taken this type of cabinetry up a notch in quality, and materials. Although, you can purchase a very handsome unit for about three hundred dollars, there are companies that have offerings in the two to three thousand dollar range as well. The ladder may be cost prohibitive to some, but appropriate if the rest of the room has similar furnishing already in place.

When ordering online, make sure and read all of the fine print, as it may be necessary to block of a complete afternoon of your day off for assembly of your new purchase. Optionally when purchasing a cabinet locally and it needs to be put together, you can pay a labor fee to have the store perform this task for you. Of course, the hardwood units will only need minimal assembly, and that is usually just attaching the cabinet doors, and a few small accent pieces.


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Pros and Cons of Plasma 1080p HDTVs - Essential Information You Need to Know Before You Buy

When searching for a new HDTV you have several different when it comes to the type of display technology that you want for your viewing space. These are plasma, LCD, LED, and OLED. Each of these has their own strengths and weaknesses which might make them attractive to a prospective buyer. However, this article is going to focus on the pros and cons of plasma 1080p HDTV family of displays.

Plasma 1080p HDTV Advantages

First I will go over the positive aspects of owning a plasma 1080p HDTV. If I were asked to choose a feature that a plasma HDTV outperformed all other technologies with I would have to say that it would in the area of contrast ratio. The contrast ratio is a figure that is derived from comparing the darkest blacks and the brightest whites that the display can output on the screen. Plasma technology is able to do this because of the nature in which the display is manufactured. Each pixel in a plasma HDTV has its own self contained backlight. This allows each individual pixel to output light and color independently. Each of the other technologies uses shared fluorescent or LED backlighting for rows of multiple pixels. This backlight sharing causes a certain amount of bleed-over from neighboring pixels can cause some dark scenes to look gray rather than dark.

The next area where plasma HDTV excels is in the area of motion rendering. There are several reasons for this. The first is related to the advantage mentioned previously. The fact that each individual pixel is able to use its own light source cuts down on light bleed-over which also causes slight blurring in other technologies. The next reason that plasma 1080p HDTVs are able to provide superior motion rendering is that they utilize a feature called 600Hz Sub Field technology. Each manufacturer has a different name for this technology, but it is essentially the same. It works by allowing each pixel to "fire" up to 600 times in a single second. This allows plasma HDTVs to provide much sharper video than most of their counterparts using different display technology.

While this is not always the hard and fast rule anymore, plasmas on the whole are better in rendering more vivid and vibrant color than the other display technologies. There are a combination of factors that contribute to this advantage. These are the contrast ratio, the backlighting factor, and the fact that each pixel is a self contained color producing unit. All of these factors come together to produce an excellent image on the screen.

Plasma 1080p HDTV Disadvantages

Plasma 1080p HDTVs do have their disadvantages as well. Probably the scariest complaint that has been logged about plasma is their supposed propensity for burn in. Burn in is a phenomenon that occurs when an image is displayed for too long on a plasma screen, permanently burning the image into it. The good news is that the risk of burn in is almost non-existent in plasma HDTV's manufactured within the last few years. It is still possible to burn an image into the screen, but it is something that you would actually have to work at by manipulating the screen settings to accomplish. Even after doing this you would have to leave a static image on the screen for hours for it to really burn in. Burn in is often confused with image retention, which is similar to burn in but is only temporary. Image retention will usually disappear after 10-20 minutes after turning the unit off.

Another common criticism of Plasma is that their screens are very reflective and are not good for medium to high light viewing scenarios. This is because the outer screen of the display is a pane of glass. Plasma HDTV manufacturers have gotten wise to this complaint and have since started adding anti-glare coatings to their plasma 1080p HDTV offerings. If you do decide to purchase a plasma HDTV, be sure to check and make sure that in the specifications that it has one of these anti-glare coatings on the screen if you are going to be placing the display in a medium to high light viewing room.

Some people also are critical of how bulky and heavy a plasma HDTV is. This complaint is a well founded one because these things cannot compete when compared to the ultra slim and light profiles of other competing technologies. It is confusing why this is such a common complaint because how often does a person go about moving their television after they have gotten it into the area of the house that it is going to be used in.

Plasma 1080P HDTVs have their advantages and disadvantages of ownership, but it is quite clear that for someone who values quality video output an HDTV using plasma technology is the best choice when shopping for a new HDTV.


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LCD Vs Plasma? What TV Is Best for You

What technology of TV is right for you? Why do you hear different things from different people? Is LCD really better than Plasma? Believe me; learning about each of the technologies was just as hard on me as it can be on you. This article is here to help you.

Plasma is the television technology that everyone knew first. People remember them as the $14,000 sets that only lasted 5 years and had these issues and so forth. Lucky for the consumers, all three of those things have changed dramatically. They cost no-where near as much as they once did, don't have any issues with burn in or consume dramatic amounts of energy anymore (nearly all of them are energy star rated on some level) and have ratings of about 100,000 hours (8 hours a day of use equaling roughly 35 years). All of the issues you once heard about them are either not true anymore or never were true... it's as cut and dry as that. They start around the 42" size range but most models start at 50". It's really tough to judge how any TV looks in the harsh florescent lighting of a show room so if you ever have the chance to see a TV in more of a home-lit room, jump at the chance. In a normal environment, you'll notice that Plasma's have a more natural and lifelike coloring to them. Grass on the field looks a realistic shade of green. Blacks and whites have a more realistic look and have more detail in them (think shading on a silk shirt). If you enjoy nature shows or live sports, this will be a plus because to truly feel like you are there, the coloring must look real, right? I can't feel like I'm at the game if the grass has a neon green look. This coloring is best for rooms where lighting is controllable during the majority of its use. If no natural light is really shined on the TV and/or most of the lighting is by lamp or if there is no lighting at all then Plasma is the way to go. If you put them into a room saturated with natural light, they will appear dull and the reflection on them might impede on your ability to enjoy the picture. The technology itself also has the fastest response time so there is absolutely no image blurring. So things like fast paced action movies or sports are best. Gaming is perfectly fine on them now with things like burn-in being a thing of the past.

LCD is a technology commonly found in electronics ranging from digital watches to computer monitors. They are recognized for their bright imaging and energy efficiency. They are available from as small as 13" to the largest of sizes. Most entry to mid level sets have the matte screen everyone knows as a trademark to the technology making them great sets for light-saturated rooms. One drawback can be that the black levels can grey out as light increases since the screen itself absorbs the light. The coloring on them has an extremely bright, vivid look (bordering on exaggerated) to increase imaging in bright rooms. If you enjoy the image quality that jumps out and demanded you to look at it on the wall full of other sets, then you'll enjoy this. Just know that if placed into a room with controllable or little light, the brightness or coloring may overwhelm to viewer or cause eye strain. You do have the ability to adjust brightness and what not, but if you purchased the set because of its brightness only to have to lower that brightness down, what's the point? One thing to point out is that most mid-range and literally all performance-end LCD/LED's have a reflective screen on them to enhance coloring in bright lighting and viewing angle. Just be aware of this if you want the best set and have a lot of natural light. One common problem the technology has had over time is motion blurring. They have done wonders over the years to help this (increasing "hertz" ratings in higher models) but it still remains more of a way to profit than a way to correct a problem (more money in the treatment instead of the cure). With the exception of the higher hertz-rated sets, sports and action movie watching would be at a minimal for proper viewing. They are great for gaming and PC use as any TV is now it seems.

You may have also noticed sets called "LED/LCD" or "LED" and not know what they are or what the differences are. LED TVs are simply an LCD with different light source. LED stands for Light Emitting Diode. It is the light source commonly found in police flashlights and most smart cell phones. They last considerably longer than the lighting system found in normal LCD TVs. It is a blue based lighting source so the TV is going to have a much brighter image, dynamic contrasting (brighter and more vivid) and less energy use. Being as it is a light source that can be completely turned on and off in select locations, LED TV's can obtain a black level close to that of Plasma. A lot of people note that since the LED light is a smaller light, brands manage to make remarkably thinner TVs with this technology. This thinness serves absolutely no use and is strictly an aesthetics specification everyone has become obsessed with as of late.

So to wrap it up, here is a quick run through for you...

PLASMA

GOOD FOR - Normal to controllable lighting, movie and sports watching, when you enjoy a more natural looking image.

BAD FOR - Extremely natural-light saturated rooms, if you enjoy a bright, eye popping color quality to your image

LCD/LED

GOOD FOR - Rooms saturated with natural light when views, when you enjoy a vividness to the image with bright colors. Decent for sports and movies when a higher hertz-rate set is considered

BAD FOR - Controllable lighted rooms, constant fast paced action or when you focus on color accuracy above vividness

I hope this could have been helpful enough to open up your eyes to some of the truths and fallacies about these technologies. Just remember one key bit of information. This is just another source of information along with what else you've read and what your tech-savvy friend tells you. At the end of the day, you go and purchase the TV you want. I just feel that the more information you know, the more confident you be when you choose the set that is right for you!


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