LCD HDTV - Technical Information

LCD HDTV has become a trend in the homedarkest representation of video black because the
entertainment industry because of its sleek and thinLCD TV that has a darker black level has the more
design. It has gained recognition because of itsdetailed, enhanced saturation, and more appealing
innovative features and impressive picture quality.image.
HDTV manufacturers continue to progress and modifyAn LCD HDTV screen can produce more than twice
the good features and make it even better. However,the light output of a Plasma TV. The extra brightness
regardless of the development, the consumers arethat an LCD HDTV can provide helps in maintaining
given an option to purchase a good LCD HDTV at apicture detail by improving the dynamic range of the
very reasonable price, which suits their lifestyle andimage in a well-lit environment. To minimize distracting
needs. Here are some pointers to consider in choosinglight reflections, a lot of LCD HDTVs have a matte
an LCD TV.finish. However, there are some new LCD HDTVs
When you shop for a television, first thing that youthat are incorporating glossy top filters that enhance
would probably ask is the resolution. Nowadays, 1080papparent contrast and color saturation by making
resolution is the best for consumer home theater.video black appear pitch-black dark. Glossy LCD
Some companies promote a 1080i LCD HDTV thatscreens make a slightly crispier picture than a matte
has an actual widescreen resolution of 1,366 by 768finished outside filter can produce.
pixels, which greatly differs from the 1080p. 1080pAn LCD TV produces a picture by channeling the
resolution has 1,920 by 1,080 pixels.output of a very bright backlighting system through a
Sometimes specifications that are worthless likeseries of optical filters. The capacity to control an LCD
contrast ratio and pixel response time. TheseTV's backlight can help minimize eyestrain in a dark
specifications are problematic because there areviewing environment. In addition, the brightness level of
many variations and each is calculated in notablyan LCD HDTV's backlight correlates to its power
different ways. Sales people tend to focus onconsumption. Lower backlight output to dark-room
whatever specification calculation offers the mostviewing levels can result in one-half to two-third less
impressive looking result.power consumed. Also, lower backlighting extends the
Regarding pixel response time, what you need tolifespan of the lamp module.
know is if a particular LCD TV is optimized to reduceLastly, you should consider video port needs,
the smearing of an image when showing a fast motionparticularly HDMI. High-Definition Multimedia Interface is
video. Currently, the 120-Hz display technology is thethe standard for digital video transfer in home-theater.
feature that best addresses this problem. It is aThe main benefits are the clarity of a digital signal and
premium LCD feature but its advantages arethe audio and video that are streamed over a single
instantaneously recognizable.cable connection. Common appliances that can be
Contrast ratio is the ratio of measured light outputconnected to an LCD HDTV through HDMI are DVD
when displaying white to its measured light outputplayers and game consoles. Most LCD HDTV
when displaying video black, also called the black level.provides two to four ports.
There are several types of contrast ratio calculations.Look for these different features when you are
These are sequential, intra-frame, and dynamic. Butpurchasing an LCD HDTV. This technical knowledge
these calculation results are often useless whenwill help you decide which LCD HDTV meets your
comparing one LCD HDTV to another. It is better toneeds.
focus on which model makes the deepest and