Minggu, 24 November 2013

What is the diff between a TFT-LCD and LCD monitors? Which is good for eyes in terms of long working?

Q. I wanna buy a 19" LCD monitor and currently weighing between HP and Samsung monitors. All HP monitors are called LCD monitors as per the package details as well as per their website, while all Samsung monitors are called TFT LCD Monitors. I am a bit confused, as I work a lot on PC, I would like to protect my eyes and health. Can someone help me with correct answer?

A. LCD monitors use Liquid Crystal Diodes.

TFT is an LCD monitor that uses Thin Film Transistor technology.

Other types are:
TN+Film - Twisted Nematic
IPS - In Plane Switching
MVA - Multi-Domain Vertical Alignment
PVA - Patterned Vertical Alignment
S-PVA - Super Patterned Vertical Alignment.

TFT is the most common today, and LCD is accepted as being TFT-LCD. Usually you only see a differentiation if it's one of the other technologies. The other types all have their advantages and disadvantages, but TFT is the cheapest to manufacture today.

For your eyes, you want an LCD. LCD's are on, and change when they change vs. a CRT which has a refresh rate. In a CRT, the phosphorus is charged and glows, but then dims very quickly. The refresh recharges it, but there is a dimming and brightening affect. The higher the refresh rate, the less noticable it is to you.

Within an LCD, if cost is no object, you want an IPS (better) or S-PVA (best). They will have the highest contrast ratios and brightest screens. Be prepared to pay, and pay well for this luxury though.


Is there a LCD monitor which can connect to a PS2?
Q. I need to buy an LCD monitor, preferably 21 inch or 22 inch which has connectors for PS2 and preferably PS3 also (though the latter is not important).
I already have a Z-5500 speakers which are said to be the best in pc speakers, I also would like to get an LCD monitor which will make it really cool to play games on with my PS2.
Thanks.

A. i recommend Samsung Touch Of Color T220HD 22-inch LCD HDTV Monitor.
Touch of Color bezel - While the crystal-like bezel frame catches light beautifully, it actually reduces reflection of light off the bezel. And since the rich red color is injection molded for a blown glass effect, instead of spray painted, there is less environmental impact. It's easy on your eyes as well as on the environment
Dolby Digital Surround (3 W x 2 ch) An invisible speaker system with Dolby Digital Surround (3 W x 2 ch) gives sound quality to match the impressive picture.
10,000 - 1 Dynamic-Contrast Ratio - The ultra-wide range gives you blacks and whites that are full of detail, even under adverse lighting conditions (typically 1,000 - 1 static-contrast ratio)
300 cdm2 Brightness
Full HDTV monitor - The T220HD features a built-in full HD 1080p digital HDTV tuner, so you can watch both TV and HDTVDual HDMI inputs, DVI and VGA inputs / 2 HDMI connections

List Price: $679.00
Amazon Sell Price: $332.99 free shipping
You Save: $346.01
reference: http://www.amazon.com/Samsung-Touch-T220HD-22-inch-Monitor/dp/B0019HGTLC/ref=pd_bbs_sr_1?tag=commentglitte-20&linkCode=ur2&camp=1789&creative=9325





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