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Basic TV Selection guide/info

post #1 of 6
Thread Starter 
So I decided to make something useful for OCN'ers. Here is my guide to the world of HDTV's for tv watching and for use as monitors also.

A few basic facts:
Common aspect ratios: 4:3,5:4,16:9,16:10
Common resolutions:640x480,1024x768,1280x720,1280x768,192 0x1080
"p" Progressive Scan: All lines of pixels are refreshed at the same time.
"i" Interlaced: Every odd line is refreshed, then every even line is refreshed.

First off, the types of TV's commonly used today.

CRT TV: CRV stands for cathode ray tube. I am not going to explain how cathode ray tubes work but basically an electron gun shoots electrons to a screen and that displays your image. CRT televisions usually range in the size 10"-32". CRT T.V.'s are getting phased out and are becoming pretty cheap, but LCD's are still competing in price.

LCD TV: "LCD" stands for liquid crystal display. LCD tv's are the most commonly used HDTV's. They range in sizes from 15"-65" but can be found in other sizes. LCD TV's are good because they can be very bright and can display colors pretty accurately, although lots of older LCD's had poor black levels but those have improved in the last year to be very good and compete with plasma TV's. LCD's are generally very thing and are able to be mounted on the wall with the correct mounting brackets. They typically will have aspect ratios of 16:9, but can have them in 4:3 and 16:10. The resolution for widescreen LCD's is usually 1280x720, also known as 720p, or 1920x1080, also known as 1080p or "full HD". LCD TV's are good in rooms that have a lot of light, because most LCD's have a matte screen and do not reflect a lot of light. LCD's have one giant flourescent or LED lighted backpanel that lights up all the pixels. This is good for power consumption, but can cause pixel bleeding, where light from one pixel bleeds into another. This is one reason it is hard for LCD's to display a deep, dark black. LCD TV's are commonly used for smaller rooms where space is a factor.


Plasma TV: "PDP" stands for plasma display panel. Plasma displays have each pixel filled with gas and when an electron is sent in they create a plasma that emits light. Plasma displays have glass in front of them, which reflects a lot of light and are not good for rooms with a lot of light in them. Pixels on a plasma TV are each individually lighted and therefore do not have the pixel bleeding and are able to display very good blacks levels. Plasma displays range in size from 32"-100+". Plasma TV's can display the best quality picture but cost more than their LCD counterparts. Plasma TV's are usually heavier than LCD's and thicker but can still be mounted on to walls. One downside of plasma TV's is called screen burn. Screen burn is when an image is permanently left onto the screen. This can happen from leaving a movie or game paused where the pixels are not changing for a long period of time. In newer plasma's, screen burn in can take hours or days to happen but in older models it can happen in a couple hours. Common resolutions of Plasma TV's are 1024x768 or 1366x768. Both of those resolutions have rectangle shaped pixels and when a PC is hooked up to a plasma display quality is not the greatest.

DLP TV: "DLP" stands for digital light processing. DLP tv's have been around for a long time and sales are still strong. They offer large screens for a cheap price. Sizes of DLP TV's usually go from 42"-72". DLP TV's are light but not capable of being mounted on the wall as they are usually around 12" thick. DLP TV's use bulbs to project the images to the front screen and they can burn out, but can also be easily replaced. DLP TV's are great for large rooms for use with movies or gaming.

Some great brands:
LCD - Samsung, Sony, LG, Sharp, Hitachi
Plasma - Panasonic, Pioneer
DLP - Samsung, Mitsubishi

My opinions:
LCD TV - Great for kitchen or bedroom where not many sports/movies/gaming is done/watched
Plasma TV - Great for movie/sports watching rooms i.e. a family room
DLP - Great for a big rec room where lots of gaming is done
CRT - Sucks now haha

That is my basic TV guide. If you want me to add anything or ever have any questions feel free to PM me anytime.
If you notice anything wrong let me know by PM.
Edited by noahmateen1234 - 12/15/08 at 8:06pm
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post #2 of 6
You should add OLED to the list. Sexy contrast, ugly price.
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post #3 of 6
Thread Starter 
I could, same with laser tv's but they aren't developed enough to really consider. They are part of the future but not really to be considered for the average person.
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post #4 of 6
I thought that standard res was either 640x480 or 720x480, not 480x240
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post #5 of 6
Quote:
Originally Posted by gamer11200 View Post
I thought that standard res was either 640x480 or 720x480, not 480x240
480p.
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post #6 of 6
Thread Starter 
just edited taht. yeah bad typo on my part. +rep for both of you for catching that mistake.
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