A liquid crystal display or LCD monitor is a thin, flat device which is made up of a number of pixels arranged in front of a reflector. Each pixel of a LCD consists of a layer of molecules that are aligned between three transparent electrodes. there's also three polarising filters that are aligned perpendicular to each other. When a voltage is applied across the electrodes, a torque aligns the liquid crystal molecules parallel to the electric field. Light can be made to pass through in varying amounts by controlling the voltage applied across the liquid crystal layer in each pixel.
In colour LCD, each pixel is divided into two subpixels which are coloured red, green & blue. Each pixel can be controlled independently to yield millions of colours. High-resolution colour displays use an active matrix structure. In this structure, a matrix of thin film transistors (TFT) is added to the device's colour & polarising filters. When a row-line is activated, all of the column lines get connected to a row of pixels. In this way, all the row lines are activated in sequence.
The active-matrix LCD monitors give more sharp & bright images than passive-matrix displays of the same size. they also have comparatively quicker response time. These displays are considered an important computer accessory as give you high-quality pics. The displays are widely used in battery-powered electronic devices as they use a very small amount of electric power. The LG's 17 inch monitor measures 365 x 378 x 180 mm. & weighs 3.1 kg. It supports a maximum resolution of 1280 x 1024 pixels with 0.264 mm pixel pitch. The OSD buttons are located on the back panel of the monitor.
LG has launched a range of its newest LCD monitors. The LG LCD monitors offer high contrast ratio & superior resolution. These monitors come equipped with LG's unique f-engine picture correction technology. These monitors offer a high digital contrast ratio of 5000:1. The LG LCD monitors have ultra-fast response time of 5Milli seconds. The monitors offer the users a rich multimedia experience. These monitors come equipped with PAL tuner technology that allows them to also double up as a desktop TV. The monitors can also be used for various computing purposes when connected to a computer.
1/28/2009
Television - Get Great Entertainment and Fun
Through the advent of satellite channels the impact of TV has grown multifold. Now they have innumerable channels that are full of entertainment, information & knowledge disseminating programs. The TV is the most commonly used gadget for the purpose of entertainment. It is difficult to find a home without a TV. Every body loves to watch the amazing images of grandeur, love, hatred & other myriad emotions on the small screen. The TV is often referred to as the magic box that showcases the magical & wonderful images that reflect life.
Science & technology have been the biggest reasons behind the advancement & rise in the standards of living of the human beings. With the advancement in technology mankind has been able to enjoy greater level of comfort. With this enhancement, they have got an opportunity to have varied modes of entertainment. three such means of entertainment is the tv. Over the decades TV has given us great fun & enthrallment.
There has been a great development in the arena of these gadgets. The technology has grown tremendously over the course of time. From the cathode ray tube to the advanced flat screen TFT TVs, this electronic gadget has come a long way. there's various brands that have excelled in the manufacturing of the consumer electronics.
Sony, Toshiba, Haier & Panasonic are the brands that have produced the most advanced TV sets for the customers. These days you can find a large variety in these advanced gadgets. You may find the flat screen TVs like the Plasma TV & the LCD TVs. there's different classifications in these televisions like the rear projection TVs, the flat panel TVs etc. The new age digital televisions are absolutely advanced in terms of technology & performance.
These gadgets deliver excellent display with great clarity. The viewers get astounding sharpness & brightness in the images with these low price cheap televisions. The colours & the contrast is superb & thus the viewers get the best experience watching their favourite programs on these electronic devices. The highly advanced electronic devices are manufactured following the highest standards & benchmarks for quality. Televisions have impeccable performance & advanced functionalities. Moreover they look wonderful with their stunning designs & sleek bodies. The highly sophisticated gadgets are awesome with their streamlined body & highly interactive & user friendly functionalities.
Science & technology have been the biggest reasons behind the advancement & rise in the standards of living of the human beings. With the advancement in technology mankind has been able to enjoy greater level of comfort. With this enhancement, they have got an opportunity to have varied modes of entertainment. three such means of entertainment is the tv. Over the decades TV has given us great fun & enthrallment.
There has been a great development in the arena of these gadgets. The technology has grown tremendously over the course of time. From the cathode ray tube to the advanced flat screen TFT TVs, this electronic gadget has come a long way. there's various brands that have excelled in the manufacturing of the consumer electronics.
Sony, Toshiba, Haier & Panasonic are the brands that have produced the most advanced TV sets for the customers. These days you can find a large variety in these advanced gadgets. You may find the flat screen TVs like the Plasma TV & the LCD TVs. there's different classifications in these televisions like the rear projection TVs, the flat panel TVs etc. The new age digital televisions are absolutely advanced in terms of technology & performance.
These gadgets deliver excellent display with great clarity. The viewers get astounding sharpness & brightness in the images with these low price cheap televisions. The colours & the contrast is superb & thus the viewers get the best experience watching their favourite programs on these electronic devices. The highly advanced electronic devices are manufactured following the highest standards & benchmarks for quality. Televisions have impeccable performance & advanced functionalities. Moreover they look wonderful with their stunning designs & sleek bodies. The highly sophisticated gadgets are awesome with their streamlined body & highly interactive & user friendly functionalities.
1/25/2009
Plasma vs LCD - A Simple Guide to Choose Your Flat Screen TV
Plasma vs LCD
This is a hot topic of debate amongst flat screen TV's, and everyone has an opinion of which is better. This is because there is no true answer - both LCD and Plasma TV's are great, and both offer their advantages and disadvantages. The truth is that as technology progresses, the differences between the technologies are becoming smaller and smaller. Still, you want to make a choice depending on your own circumstances. This brief article is written specifically to help you decide which type of flat screen TV you need.
Why would you buy a Plasma TV?
Their key advantage: Plasma TV's offer the best picture. While LCD's and Plasma's are both very close in this regard, plasma tv's have the best contrast ratio. This means they have a wider range of colors, especially at the darker end, which makes for a much better overall picture.
The other minor advantages of plasma TV's? Well most people are concerned about cost, and inch for inch, plasma TV's are cheaper than LCD TV's. Plasma TV's also offer a wider viewing angle; LCD TV's tend to lose their picture when you watch them at a wider angle. Also Plasma TV's have a near instant response time, or time it takes to draw the picture, where as with LCD TV's you have to make sure the response time is below 8ms or the picture may look blury when displaying fast moving video's.
Why would you buy an LCD TV?
The key advantage LCD TV's offer is the fact they do not run the risk of image burn in. Image burn in means if a part of the picture does not change often enough (for example a network logo, a video game health meter, or a windows task bar), that image may get "burnt" into your flat screen TV so you can see a shadow of it when it is not supposed to be there. Plasma TV's are prone to this. Granted, the latest generation has greatly improved to reduce this problem. However if you spend many hours on your flat panel TV playing video games, or use it as a computer monitor, then an LCD TV is the safer option.
The other minor advantages of LCD TV's is that they generally use 30-40% less power, and they are much lighter which makes it easier if you want to mount your flat screen tv on the wall. For those who live in high altitudes (above 6500 feet) LCD TV's will perform better. As Plasma TV's use gas, they tend to struggle at those kind of heights. Finally, LCD TV's come in sizes below 32 inches, where as plasma TV's are only 32 inches and above.
Some myths and common questions
Myth: LCD TV's last longer than plasma TV's. Contrary to popular belief, LCD TV's no longer out live plasma TV's; not the latest generation anyway. It is true the first generation of plasma TV's died and lost their brightness very quickly, but now, both Plasma and LCD TV's have an expected half life of 60,000 hours. That means you can watch the flat screen TV for 6 hours a day for 27 years before the TV will be reduced to half of its brightness!
Myth: Only LCD TV's get dead pixels. A dead pixel is where a dot on your flat screen TV is permanently visible because that "pixel" has stopped working. This can happen to both plasma and LCD TV's, however it is less common for plasma TV's. In either case, it is important to consider the manufacturer's policy with regard to dead pixels.
Summary
In short, when it comes to buying a flat screen TV, plasma TV's offer slightly better value than LCD TV's in terms of picture quality and cost. However if you spend many hours playing video games, or want to use your flat panel TV as a computer monitor and are worried about image burn in, then an LCD TV is the slightly better option.
This is a hot topic of debate amongst flat screen TV's, and everyone has an opinion of which is better. This is because there is no true answer - both LCD and Plasma TV's are great, and both offer their advantages and disadvantages. The truth is that as technology progresses, the differences between the technologies are becoming smaller and smaller. Still, you want to make a choice depending on your own circumstances. This brief article is written specifically to help you decide which type of flat screen TV you need.
Why would you buy a Plasma TV?
Their key advantage: Plasma TV's offer the best picture. While LCD's and Plasma's are both very close in this regard, plasma tv's have the best contrast ratio. This means they have a wider range of colors, especially at the darker end, which makes for a much better overall picture.
The other minor advantages of plasma TV's? Well most people are concerned about cost, and inch for inch, plasma TV's are cheaper than LCD TV's. Plasma TV's also offer a wider viewing angle; LCD TV's tend to lose their picture when you watch them at a wider angle. Also Plasma TV's have a near instant response time, or time it takes to draw the picture, where as with LCD TV's you have to make sure the response time is below 8ms or the picture may look blury when displaying fast moving video's.
Why would you buy an LCD TV?
The key advantage LCD TV's offer is the fact they do not run the risk of image burn in. Image burn in means if a part of the picture does not change often enough (for example a network logo, a video game health meter, or a windows task bar), that image may get "burnt" into your flat screen TV so you can see a shadow of it when it is not supposed to be there. Plasma TV's are prone to this. Granted, the latest generation has greatly improved to reduce this problem. However if you spend many hours on your flat panel TV playing video games, or use it as a computer monitor, then an LCD TV is the safer option.
The other minor advantages of LCD TV's is that they generally use 30-40% less power, and they are much lighter which makes it easier if you want to mount your flat screen tv on the wall. For those who live in high altitudes (above 6500 feet) LCD TV's will perform better. As Plasma TV's use gas, they tend to struggle at those kind of heights. Finally, LCD TV's come in sizes below 32 inches, where as plasma TV's are only 32 inches and above.
Some myths and common questions
Myth: LCD TV's last longer than plasma TV's. Contrary to popular belief, LCD TV's no longer out live plasma TV's; not the latest generation anyway. It is true the first generation of plasma TV's died and lost their brightness very quickly, but now, both Plasma and LCD TV's have an expected half life of 60,000 hours. That means you can watch the flat screen TV for 6 hours a day for 27 years before the TV will be reduced to half of its brightness!
Myth: Only LCD TV's get dead pixels. A dead pixel is where a dot on your flat screen TV is permanently visible because that "pixel" has stopped working. This can happen to both plasma and LCD TV's, however it is less common for plasma TV's. In either case, it is important to consider the manufacturer's policy with regard to dead pixels.
Summary
In short, when it comes to buying a flat screen TV, plasma TV's offer slightly better value than LCD TV's in terms of picture quality and cost. However if you spend many hours playing video games, or want to use your flat panel TV as a computer monitor and are worried about image burn in, then an LCD TV is the slightly better option.
LCD Flat Screen TV - 7 Reasons Why An LCD Flat Screen TV Is The Perfect Gift For Father's Day
Traditionally the beloved fathers in our lives have received tacky ties, or discounted golf or fishing equipment that seldom make it out of the back corners of the garage. Why not get him something that you know she will love like an LCD flat screen TV.
Fathers day is a great time to thank that special dad in your life. Whether it be your own dad or your husband, whether it be an old dad or a new dad, or whether it be for the dad who has it all, an LCD flat screen TV is the perfect gift for fathers day.
These are 7 reasons why an LCD flat screen is the perfect gift.
1. The price is right - Only a few short years ago an LCD TV was considered a luxury gift that only the rich & famous could afford. Prices have continued to drop so that most somebody can afford a new TV as small to mid sizes can be found for several hundred dollars & a new large screen can be found starting at around $1000.
2. Bigger is better - As prices drop the obtainable sizes continue to get larger & larger. Affordable LCD flat panel TVs can be found at sizes above 50 inches which makes for a great addition to a relatives home theater. If she already has a big screen TV in the relatives room, additional smaller LCDs are becoming more & more common in multiple rooms of the house such as the bedroom or even in traditional man cave areas such as the garage or workshop.
3. Stylish design - Large screen televisions of a few years ago were behemoths that would take up a significant part of the room. While they were able to display a picture that was pleasing to the eye, the sheer size & depth of the set was far from pleasing to the eye. Today's LCDs are ultra thin, able to be mounted on the wall like a piece of art. In addition to a thinner design, manufacturers are continuing to produce sets like the new "Samsung - With a Touch Color" that adds an attractive red bezel that makes the TV almost as attractive when turned off as it is when it is turned on.
5. Sports & movies - Lets face it, the typical dad is not the most complicated person. Give him the latest sporting event or newest blockbuster action movie in high definition & she will be happy. An LCD flat panel TV is perfect for watching the big game with friends, but is also a great solution for experiencing the latest movie with your relatives from the comfort of your own relatives room or home theater.
4. Stunning picture - Of coursework while price, size & design is important, it all means nothing if the TV can not produce a great picture. Today's LCD TVs put the first generation LCDs to shame by offering crisper pics with more vibrant colors without the motion blur or artifacts common in the earlier LCD flat panel TVs. Current models offer much quicker response times, significantly better contrast ratios & are capable of producing a stunning full hd 1080p picture.
6. Video gaming glory - Is the dad in your life a young dad who grew up playing video games? (Or maybe you're interested in benefiting from a great TV for video games even if your dad couldn't care less.) An LCD is perfect for gaming. With a full 1080p picture & dynamic display video games look & play incredibly and there is no risk of screen burn in which is possible in other technologies. An LCD flat panel TV along with six of the new generation video game consoles is a perfect solution for starting a fun relatives game night tradition.
7. Fastest way to a man's heart - While a diamond is a girl's best friend, a high definition TV may well be a man's best friend. Now i am not trying to suggest that you be manipulative, but what better way for a wife to get the diamonds that she was hoping for then to set the bar high for gift giving & surprise him with a new LCD flat panel TV.
A LCD flat screen TV is the perfect gift for fathers of all ages & a great way to thank dad for all she's done over the years.
Fathers day is a great time to thank that special dad in your life. Whether it be your own dad or your husband, whether it be an old dad or a new dad, or whether it be for the dad who has it all, an LCD flat screen TV is the perfect gift for fathers day.
These are 7 reasons why an LCD flat screen is the perfect gift.
1. The price is right - Only a few short years ago an LCD TV was considered a luxury gift that only the rich & famous could afford. Prices have continued to drop so that most somebody can afford a new TV as small to mid sizes can be found for several hundred dollars & a new large screen can be found starting at around $1000.
2. Bigger is better - As prices drop the obtainable sizes continue to get larger & larger. Affordable LCD flat panel TVs can be found at sizes above 50 inches which makes for a great addition to a relatives home theater. If she already has a big screen TV in the relatives room, additional smaller LCDs are becoming more & more common in multiple rooms of the house such as the bedroom or even in traditional man cave areas such as the garage or workshop.
3. Stylish design - Large screen televisions of a few years ago were behemoths that would take up a significant part of the room. While they were able to display a picture that was pleasing to the eye, the sheer size & depth of the set was far from pleasing to the eye. Today's LCDs are ultra thin, able to be mounted on the wall like a piece of art. In addition to a thinner design, manufacturers are continuing to produce sets like the new "Samsung - With a Touch Color" that adds an attractive red bezel that makes the TV almost as attractive when turned off as it is when it is turned on.
5. Sports & movies - Lets face it, the typical dad is not the most complicated person. Give him the latest sporting event or newest blockbuster action movie in high definition & she will be happy. An LCD flat panel TV is perfect for watching the big game with friends, but is also a great solution for experiencing the latest movie with your relatives from the comfort of your own relatives room or home theater.
4. Stunning picture - Of coursework while price, size & design is important, it all means nothing if the TV can not produce a great picture. Today's LCD TVs put the first generation LCDs to shame by offering crisper pics with more vibrant colors without the motion blur or artifacts common in the earlier LCD flat panel TVs. Current models offer much quicker response times, significantly better contrast ratios & are capable of producing a stunning full hd 1080p picture.
6. Video gaming glory - Is the dad in your life a young dad who grew up playing video games? (Or maybe you're interested in benefiting from a great TV for video games even if your dad couldn't care less.) An LCD is perfect for gaming. With a full 1080p picture & dynamic display video games look & play incredibly and there is no risk of screen burn in which is possible in other technologies. An LCD flat panel TV along with six of the new generation video game consoles is a perfect solution for starting a fun relatives game night tradition.
7. Fastest way to a man's heart - While a diamond is a girl's best friend, a high definition TV may well be a man's best friend. Now i am not trying to suggest that you be manipulative, but what better way for a wife to get the diamonds that she was hoping for then to set the bar high for gift giving & surprise him with a new LCD flat panel TV.
A LCD flat screen TV is the perfect gift for fathers of all ages & a great way to thank dad for all she's done over the years.
1/23/2009
LCD Or Plasma – Which Is Best For Your Digital Signage Display?
In the world of digital signage there's a debate about which display option is best – LCD or plasma.
there's plenty of factors summarized here, including performance and cost, that will determine whether you select LCD or plasma for your digital signage display.
The Mechanics
A January, 2007 article on selfserviceworld.com described the differences between LCD and plasma in layperson’s terms. In summary:
• LCD consists of one sheets of transparent, polarized material, one of which is treated with a polymer containing liquid crystals. The crystals interpret the electric current and control the light that passes through. Fluorescent tubes behind the crystals produce the light that passes out to the viewer. The crystals do not emit light so LCD screens use less electricity than other displays.
• Plasma displays use glass coated with bubbles that contain ionized gas in red, blue, and green subcompartments. A phosphorescent coating is applied to the glass and when electricity passes through the plasma it emits ultraviolet rays that show the appropriate color.
An oft-cited concern with plasma screens is burn-in. Depending on what you read, burn-in is either a serious problem or a minor one that can be easily remedied.
Performance
Burn-in is a term used to explain static images that become permanently visible after being displayed for long periods of time. Burn-in isn't an issue with LCD displays but can become a problem with plasma. Burn-in is becoming less of an issue as digital signage display firms employ some simple techniques for avoiding it: ensuring images are frequently rotated, using more motion, and lowering contrast and brightness levels.
Lifecycle is another concern. At twice LCD had a longer life, but the life expectancy of LCD and plasma are now roughly equivalent, lasting about 50,000 hours each.
LCD units are lighter and use less power, factors which may affect your decision.
Contrast ratios (the difference between black and white) are much higher on plasma, which results in a clearer and brighter picture. Plasma displays video images and fast motion better than LCD and offers a wider viewing angle, which can be important in retail environments.
Cost and Size
The deciding factor between LCD and plasma has often been cost. With the prices of large-format LCD displays dropping, cost is becoming less of an issue.
How Can You Decide on a Digital Signage Display Format?
Size is an issue that ties in with cost since it is your budget that may ultimately determine the size of screen you pick. Plasma is generally obtainable in larger sizes, although this is changing as LCD displays get bigger. Plasma does still tend to win out for larger displays - digital signage display designers tend to prefer it for displays over 50 inches.
Both LCD and plasma offer some benefits, depending on your needs. When making a decision about your digital signage display, you require to take a good look at your budget and factor in the size of the display required
there's plenty of factors summarized here, including performance and cost, that will determine whether you select LCD or plasma for your digital signage display.
The Mechanics
A January, 2007 article on selfserviceworld.com described the differences between LCD and plasma in layperson’s terms. In summary:
• LCD consists of one sheets of transparent, polarized material, one of which is treated with a polymer containing liquid crystals. The crystals interpret the electric current and control the light that passes through. Fluorescent tubes behind the crystals produce the light that passes out to the viewer. The crystals do not emit light so LCD screens use less electricity than other displays.
• Plasma displays use glass coated with bubbles that contain ionized gas in red, blue, and green subcompartments. A phosphorescent coating is applied to the glass and when electricity passes through the plasma it emits ultraviolet rays that show the appropriate color.
An oft-cited concern with plasma screens is burn-in. Depending on what you read, burn-in is either a serious problem or a minor one that can be easily remedied.
Performance
Burn-in is a term used to explain static images that become permanently visible after being displayed for long periods of time. Burn-in isn't an issue with LCD displays but can become a problem with plasma. Burn-in is becoming less of an issue as digital signage display firms employ some simple techniques for avoiding it: ensuring images are frequently rotated, using more motion, and lowering contrast and brightness levels.
Lifecycle is another concern. At twice LCD had a longer life, but the life expectancy of LCD and plasma are now roughly equivalent, lasting about 50,000 hours each.
LCD units are lighter and use less power, factors which may affect your decision.
Contrast ratios (the difference between black and white) are much higher on plasma, which results in a clearer and brighter picture. Plasma displays video images and fast motion better than LCD and offers a wider viewing angle, which can be important in retail environments.
Cost and Size
The deciding factor between LCD and plasma has often been cost. With the prices of large-format LCD displays dropping, cost is becoming less of an issue.
How Can You Decide on a Digital Signage Display Format?
Size is an issue that ties in with cost since it is your budget that may ultimately determine the size of screen you pick. Plasma is generally obtainable in larger sizes, although this is changing as LCD displays get bigger. Plasma does still tend to win out for larger displays - digital signage display designers tend to prefer it for displays over 50 inches.
Both LCD and plasma offer some benefits, depending on your needs. When making a decision about your digital signage display, you require to take a good look at your budget and factor in the size of the display required
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