LED TV


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LED TV

A flat panel LCD TV set that uses LEDs (light emitting diodes) for its backlight source rather than the earlier cold cathode fluorescent lamps (see CCFL). Smaller, more power efficient and having a greater optical range than the fluorescents, LED TVs produce deeper blacks and more saturated color. In 2005, Sony offered the first LED TV.

Although an LED TV is really an LCD TV with LED backlighting, the industry branded them as LED TVs to avoid monikers such as "LED backlit TV" or "LED-based LCD TV." Today, most TV sets are LED TVs.

White or RGB
White LEDs are less costly, while red, green and blue (RGB) LEDs provide a richer color gamut.

Backlights: Direct Lit, Edge Lit and Full Array
There are three "local dimming" backlight techniques for LED TVs, all of which dynamically dim the light behind the black areas of the image to make them darker.

The more economical direct-lit method uses LEDs in a sparse array across the back. Because the LEDs are farther away from the screen to allow each light to spread to more pixels, direct-lit TVs are as thick as the older CCFL fluorescent lamp LCD TVs.

Edge-lit LED TVs beam light to the back of the screen from the sides and allow for ultra-thin cases. Although some designs provide selective dimming, they are not as effective as the full array. In addition, they have a tendency to be brighter at the edges than at the center.

The full array covers the entire back of the screen with LEDs. Although the case is thicker than edge-lit designs, the full array provides better details in shadows and more contrast than the other methods. See ULED, LED, OLED, LCD, flat panel TV and Dolby HDR.


A 55" Samsung LED TV
Using edge-lit LEDs, this Samsung TV was only 1.2" deep in 2008; amazingly thin compared to previous LCD TVs. (Image courtesy of Samsung Electronics Company, Ltd., www.samsung.com)







More Than Six Feet Wide
In 2012, Sharp introduced a 90" smart LED TV, the world's largest. The 3D set included apps for Netflix, Hulu and other services with Wi-Fi built in. In 2013, Samsung bested this with a 95" model.
References in periodicals archive ?
The Samsung LED TV comes with 43-inch Full HD (1920x1080p) display.
The lucky 300 winners will get LED TVs. Customers will be given Tk 1,000 to Tk 10,000 in cashbacks for every purchase of LED TV, according to Kamruzzaman Kamal, director for marketing at Pran-RFL Group, the owning company of Vision Emporium.
Shinco India's Smart LED TVs range comes with an aACoeAir Click RemoteaACA[yen] designed with a QWERTY Keyboard, which allows seamless operations possibly from any corner of the room.
Coloron Prime 4K LED TVs are available in 55 and 49 inch sizes, the smart Coloron model is available in 40 inches, with basic models available in 49, 40, and 32 inch sizes.
However, LG, which is currently the dominant player in the television market, may have one-upped Samsung's efforts by introducing its 175-inch micro LED TV recently.
Eros Now's integration with Mi LED TVs comes at a time when Xiaomi is celebrating its anniversary of four successful years in India.
(TCL Global Brand Ambassador) merchandise, 4K UHD LED TVs and cash prizes.
Nikai has announced the launch of the 86" 4K Ultra HD Smart LED TV, which comes with "category-redefining smart Android operating system with features such as e-share and airplay that lets one enjoy entertainment on the big screen direct from the smartphone or tablet." The Nikai range of products is available at all Jumbo Electronics showrooms, Spark Lifestyle Electronics and leading hypermarkets.
Police recovered three mobile phones, two registers and LED TV from their possession.
So, use this upgrade opportunity to buy a "smart" LED TV. A smart LED TV will have an in-built support for the major streaming services, music streaming services and even for games.
A Lulu spokesperson said: "TV technology has changed vastly even just over the past year and the LED TV offer will allow customers to experience never-before seen clarity of detail and colour.