Sharp LC-42LE540U

We haven't had a chance to fully test this product yet, but we've assembled this helpful overview of relevant information on it.

The Sharp LC-42LE540U is one of Sharp’s 2012 series of LED-LCD TVs. At 42 inches, the LC-42LE540U is an ultraslim design, mounted on a narrow bezel frame. It offers edge-lit LED backlighting, an X-Gen Aquos LCD panel, and 120hz refresh rate for fine motion enhanced viewing. The LC-42LE540U also offers onboard WiFi with SmartCentral user interface, with access to 100 apps for streaming content, such as Netflix, CinemaNow and Vudu. This model has four HDMI inputs. 

Features List:

-42 inches

-Edge-lit LED

-X-Gen LCD panel


-SmartCentral user interface


-Four HDMI inputs

Press Release:

Sharp’s 6/5 series comprises five different models in screen size classes of 42-, 46-, 52-, 60- and 70-inches (LC-42LE540U, LC-46LE540U, LC-52LE640U, LC-60LE640U, LC-70LE640U) and includes a high-performance AQUOS LCD Panel, edge lit LED backlighting, 120Hz Fine Motion Enhanced, and a new narrow bezel design. Like other Sharp series, these models offer built-in WiFi and access to Sharp’s newly designed SmartCentral user interface (docking layout), access to the most popular apps and AQUOS Advantage Live (LE640 Series only). Four HDMI inputs offer multiple ports to connect to your favorite devices.

Digital Trends’ TV Buying Tips:

What are widgets?

Many of the top television manufacturers – including Sony, Sharp, Panasonic and Samsung – include Ethernet jacks on the back of their premium televisions for high-speed Internet connectivity (or in some cases, have integrated Wi-Fi for wireless connections). TV viewers will then use the remote to select “widgets,” graphicalicons on the screen that plays relevant (and customized) content ranging from YouTube videos and Flickr photo galleries to local weather, news, sports updates and stock quotes, usually delivered by Really Simple Syndication (RSS). Even more exciting is the partnership between Netflix and various TV companies, such as LG and Sony, allowingtelevision viewers to access tens of thousands of movies on-demand, many of which are in high-definition.

What is a LED backlighting?

Traditionally, LCD TVs have used compact fluorescent (CFL) tubes placed behind an LCD panel to provide the backlighting that literally lights up the screen. More modern LED TVs replace these tubes with clusters of light emitting diodes – LEDs.

When LEDs are placed at the edges of the screen, as CFL tubes traditionally were, TVs can be made significantly thinner, and LEDs use less power than fluorescents. The most inexpensive LED-lit HDTVs take this approach.

However, the biggest advantage to using LEDs is realized when they light the screen in a grid from behind. Sophisticated electronics vary the intensity of every LED in accordance with action on the screen, making dark areas of the image darker, and bright areas brighter. This effectively increases the contrast ratio compared to uniform lighting. Although it also increases costs, many people believe this type of LCD is the first to truly rival plasma on black levels.

Read more about LED backlighting and the differences between both techniques in our guide to understanding LED backlighting.

How large of a screen do I really need?

“Bigger is better” doesn’t make any more sense when choosing an HDTV for your living room than when choosing a couch for your living room. A lot of factors come into play. As a general rule, consider a TV 1.5 to 3.0 times the screen size. For instance, a 32-inch television might make sense for viewing distances as close as four feet away, and as far as eight feet away. Check out our guide to choosing the right size HDTV for more details, including a helpful chart.

LCD or Plasma?

Debating between LCD or plasma can almost get as subjective as debating between chocolate and vanilla. But unlike the never-ending ice cream debate, there actually is a superior TV choice, depending on how you plan to use it.

Check out some of our previous guides on the subject to get a better look, but in short, plasmas use more electricity, come in bigger sizes, have deeper blacks, don’t suffer from motion blur, and offer an unlimited viewing angle that’s best for off-axis viewing. LCDs are more energy-efficient, have fewer problems with glare due to their matte screens, can hold an image for hours or days without suffering “burn-in,” and generally look brighter.

After deciding which format to go with, our LCD and Plasma HDTV buying guides can help you with more questions specific to your type of TV.

Do I need a 120Hz set? What about 240Hz?

This popular LCD TV-based technology helps reduce motion blur. Pronounced “120 hertz,” 120Hz technology essentially doubles the speed at which frames are displayed, from 60 frames per second to 120 frames per second, resulting in a clearer moving image, especially in fast-action video sequences.

Since the screen can display more frames than a movie actually has, many TVs will artificially generate in-between frames where they don’t exist to make motion look smoother. Some people find the look more fluid, while some people think it looks artificial and odd. Fortunately, all TVs that offer it also offer an option to turn it off, if you don’t like it. We recommend testing it in person to see the effects for yourself before deciding whether or not you should pay extra.

Check out our article 120Hz and 240Hz Refresh Rates Explained for more on motion smoothing.

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