There is heavy advertising in Lcd Tvs now and all of them are carefully to be the best Tv set. But you still don't know which one will be ideal for you. And you in effect want something that will not cost you an arm and a leg. The good thing is that you can find a decent Tv set with limited money.What you have to do is read this article so you can get an idea of what you should be finding for. You shouldn't just buy what sales assistants urge you to buy. Now you know for yourself what is needed for a quality Tv.
First of all, once out in the market you should know the inequity of 720p, 1080i and 1080p. To put it briefly this is what the photo format will be. In 720p the p is for progressive and in 1080i the i is for interlaced. In 720p the image is of 1280 lines horizontally and 720 vertically. And that is in a whole, particular image, progressive frame.With 1080i there are 1080 vertical lines and 1920 horizontal. The interlaced image is nor united, but rather like two parts interlaced in one.
A Hdtv
That means that the photo will be detailed but not very smooth. What you need to pay concentration to is what broadcast your programs have. If they hold a 1080i format then buy a Tv that hold it. Also, beware of the fact that most 720p sets can show 1080i displays. Now that you know the facts the selection is yours.There is no clear inequity other than that as to which Tv set is the best, based on the format. You also need to check the resolution of each Lcd Tv. In a 720p Tv you should have 1280x720, and 1080p must have nothing less than 1920x1080.
Sony BRAVIA KDL55EX720 55-Inch 1080p 3D LED HDTV, Black Best
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Sony BRAVIA KDL55EX720 55-Inch 1080p 3D LED HDTV, Black Feature
- 55-inch display with full 3D HD (1080p) picture quality (1920 x 1080 native panel resolution)
- LED backlighting for incredible contrast, slim design, and energy efficiency
- Sony's X-Reality Engine sharpens images for a clear, vivid, life-like picture
- Internet TV for wide variety of streaming media and other Internet content
- Experience smooth motion detail and clarity with Motionflow 240 technology
Sony BRAVIA KDL55EX720 55-Inch 1080p 3D LED HDTV, Black Overview
Sony BRAVIA KDL55EX720 55-Inch 1080p 120 Hz 3D LED HDTV, BlackSony BRAVIA KDL55EX720 55-Inch 1080p 3D LED HDTV, Black Specifications
3D Technology Checklist
This product is 3D-related. To help you get a great 3D experience, use the checklist below to ensure you have everything you need. 3D viewing requires:
 | A Display First, you'll need a 3D-ready display--whether it's a 3D HDTV, 3D projector, or 3D computer monitor. These displays have more processing power than standard 2D models for displaying 3D images in rapid succession. |
 | A Source Your display may be ready for 3D playback, but you'll still need a device to read 3D content. This can be a cable box with a subscription to a 3D channel, a 3D Blu-ray Disc player, or a PlayStation 3 system. |
 | 3D Content 3D content--the actual entertainment, in other words--will be played back using the source mentioned above, whether it's a 3D broadcast from your cable provider, a 3D Blu-ray Disc, or a 3D video game. |
 | 3D Glasses For now, the vast majority of 3D HDTVs require glasses for 3D viewing. Many use powered "active shutter" glasses, others polarized "passive" glasses. You'll need one pair per viewer, and they'll have to be compatible with your display, whether they're the same brand, or a pair of "universal" glasses designed to work across brands. |
 | HDMI Cable To connect your source (such as a 3D Blu-ray Disc player) to your display, you'll need a high-speed HDMI cable. Cables with this designation feature bandwidth speeds up to 10.2 Gbps (gigabits per second), for carrying the 3D signal without any loss of quality. |
If you want to get more information about 3D, shop our 3D products, watch videos, or interact with other customers, we invite you to visit 3D 101, our customer center about everything 3D. | |
Internet-Ready Television
Internet-ready TVs use your broadband connection to deliver dynamic content, whether it's streaming video from Netflix, new music from Pandora, or a quick glance at today's weather forecast.
Although there is overlap, each manufacturer offers a unique bundle of free or paid services, including streaming video and music, social networking apps, online photo galleries, news and financial updates, weather info, sports scores, and a variety of other smartphone-like applications.
Manufacturers continue to add new content to their offerings, keeping customers current through firmware updates, and making a bit of research a prudent step in your buying decision.
Learn more about Internet TVs, how they work, what services are offered by different manufacturers, and exactly what you'll need to get started at our Internet TV 101 customer center.
January 2011
Looking for HDTV that delivers more of everything you want? Sony's 55-inch KDL-55EX720 3D HDTV may be just what you're after. Sony delivers state-of-the-art technology for even smoother high-speed action scenes and a vivid, lifelike picture. Simple Internet connectivity gives you streaming media, Skype video calling, access to your own files over your home network, and then some. And if you like your entertainment with an extra dimension, just add some 3D glasses for the ultimate in immersion.
Internet Access Plus Incredible Picture Quality--Even in 3D
See It All in 3D
Enjoy incredible depth and a sharp, full HD 1080p picture from a leader in 3D technology (3D Active Glasses will be required, sold separately). Plus, the technologies that make a great 3D HDTV make for even better 2D programming.
Edge LED Backlighting
Experience the next level of picture quality and contrast with Sony's Edge LED Backlighting. This technology sharpens image contrast, giving an amazingly crisp picture that you'll notice right away. In addition to being more energy efficient than other backlighting technoligies, this also allows for a slimmer, sleeker design.
X-Reality Engine
Enjoy a vivid, lifelike picture experience. Sony's X-Reality engine brings out the best by analyzing each scene so you see sharpened images, and high-contrast detail.
MotionFlow XR 240
See smooth and precise detail during fast-action scenes. Sony's Motionflow XR 240 technology for fast action movies and sports by reducing blur caused by quick camera movements, enhancing image sharpness, and overall creates a clearer picture.
Internet Streaming & Connectivity
- Internet Streaming & Widgets
Enjoy Internet favorites on your television. In addition to Qriocity, watch hit movies with Netflix, popular TV shows on Hulu Plus, or user-generated video on YouTube. Or listen to personalized music on Pandora, and plenty more--enjoy a huge selection of Internet content at your fingertips. And with Internet Widgets, you can access news headlines, weather updates, or play games while you watch TV. - Skype Ready
Easily connect to family and friends live on your HDTV wherever they are with Skype! Enjoy free high definition Skype-to–Skype video calls from the comfort of your living room. Simply attach the Sony compact microphone/camera for Skype (required, sold separately) and see your friends on the big screen. - Wi-Fi Ready
Going wireless is easy with the UWA-BR100 Wi-Fi adapter (sold separately). Just plug it in and get ready to stream movies, photos, music and videos straight to your TV from the Internet or your home network. If you'd prefer a wired connection, use the built-in Ethernet port and you're all set. - DLNA Streaming
Access and share photos, videos and music on your TV by streaming them from compatible DLNA devices like your PC, Playstation 3 system, network storage, etc.
Presence Sensor
Save energy when you're not around. This television's built-in motion sensor has the ability to scan the room and detect movement. If the sensor detects no movement, it automatically turns off the picture, leaving only sound. After more time and no movement, the TV turns itself off minimizing any unnecessary power draw.
Navigation Made Easy
Enjoy an easy-to-use menu that allows you to navigate additional content or adjust the picture settings while watching your favorite program.
Faster Start-Up
The Quick Start & Viewing feature enables this Sony television to go from 'OFF' to 'ON' 2-3 times faster than previous Sony televisions. Why wait for your entertainment?
USB Input
A handy USB port lets you share your photos on the big screen, or even listen to your favorite music. Simply connect your digital camera, USB-enabled MP3 player, or USB storage device, and you're good to go.
BRAVIA Sync Compatible
If you've got other Sony devices in your home theater setup this will come in handy. Conveniently operate and control other BRAVIA Sync compatible devices--including BRAVIA HDTVs, Blu-ray Disc Players, surround sound systems, Handycam camcorders, and Cyber-shot digital still cameras--all with one remote control.
LightSensor Technology
Enjoy customized picture brightness and save energy without lifting a finger. The built-in Light Sensor automatically adjusts the picture brightness based on the amount of light in the room. Get the best picture day or night, without any manual adjustments.
KDL-55EX720 Select Specifications
| Video | |
|---|---|
| Screen Size (Diagonal): | 55 Inches |
| Display Type: | LCD |
| Backlight Type: | Edge LED |
| Resolution: | Full HD 1080p |
| Tuner: | Clear QAM/ATSC/NTSC |
| Inputs | |
| HDMI: | 4 (1 Side/3 Rear) |
| Component Video (Y/PB/PR): | 1 (Rear) |
| Composite Video: | 2 (1 Rear/1 Hybrid) |
| USB 2.0 Ports: | 2 (Side) |
| RF Connection: | 1 (Rear) |
| Analog Audio Input: | 2 (2 Rear) |
| PC Input: | DSub 1(Side), Mini 1(Rear) |
| Ethernet | 1 (Rear) |
| Outputs | |
| Digital Audio Output: | 1 (Rear) |
| Analog Audio Output: | 1 (Side/Hybrid) |
| Weight and Dimensions | |
| Dimensions (WxHxD): | 50 x 30 3/8 x 1 5/8 Inches (50 x 31 1/2 x 12 1/2 Inches With Stand) |
| Weight: | 44.5 lbs. (56 lbs. with stand) |
What's in the Box
Sony BRAVIA KDL-55EX720 55-Inch 1080p 120 Hz 3D LED HDTV, Remote Control (RM-YD063), Power Cable, Table Top Stand/Hardware, Documentation
Sony 2011 HDTV Comparison
| Series: | BX320 | BX420 | EX520 | EX523 | EX620 | EX720 | NX720 | HX820 | HX929 |
| Models: | 22", 32" | 32", 40", 46" | 32", 40", 46" | 32", 40", 46" | 40", 46", 55" | 32", 40", 46", 55", 60" | 46", 55", 60" | 46", 55" | 46", 55" |
| Panel Type | LCD (CCFL) | LCD (CCFL) | Edge LED | Edge LED | Edge LED | Edge LED | Dynamic Edge LED | Dynamic Edge LED | Intelligent Peak LED |
| HD 720p |  | -- | -- | -- | -- | -- | -- | -- | -- |
| Full HD 1080p | -- | | | | | | | | |
| 3D Ready | -- | -- | -- | -- | -- | | | | |
| Video Processing | BRAVIA Engine 3 | BRAVIA Engine 3 | X-Reality Engine | X-Reality Engine | X-Reality Engine | X-Reality Engine | X-Reality Engine | X-Reality PRO Engine | X-Reality PRO Engine |
| Motionflow | -- | -- | -- | -- | 120Hz | XR 240 | XR 240 | XR 480 | XR 960 |
| Presence Sensor | -- | -- | | | | | | With Face Detection | With Face Detection |
| LightSensor | | | | | | | | | |
| Internet Video | -- | -- | | | | | | | |
| Internet Widgets | -- | -- | | | | | | | |
| DLNA | -- | -- | | | | | | | |
| Wireless LAN | -- | -- | Ready | Integrated | Ready | Ready | Integrated | Integrated | Integrated |
| Ethernet | -- | -- | | | | | | | |
| HDMI | 2 | 2 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Component (Y/Pb/Pr) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Composite A/V | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Digital Audio Output | Optical | Optical | Optical | Optical | Optical | Optical | Optical | Optical | Optical |
| PC (DSub) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| HDMI PC Input | | | | | | | | | |
| USB 2.0 Port | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| MP3 Playback | | | | | | | | | |
| JPEG Playback | | | | | | | | | |
| MPEG 1/2 Video Playback | | | | | | | | | |
| TV Guide Onscreen | -- | -- | | | | | | | |
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