OLED vs NanoCell: What’s the difference? Which one to buy?

OLED and NanoCell TVs use fundamentally different display technologies.

OLED uses self-emissive pixels that can switch on and off individually, while NanoCell is an LCD TV technology that uses an LED backlight and a nanoparticle color filter.

In general, OLED generally delivers superior picture quality, while NanoCell can make more sense for buyers who prioritize lower cost and resistance to permanent burn-in.

In this article, let’s see in detail how NanoCell differs from OLED in black levels, contrast, HDR performance, viewing angles, response time and overall picture quality.

Let’s begin.

What is an OLED TV?

“OLED” stands for Organic Light Emitting Diode and is fundamentally different from an LCD or LED TV.

Unlike NanoCell or other LCD-based TVs that rely on a backlight, an OLED TV uses self-emissive pixels, meaning each pixel generates and controls its own light.

As a result, OLED TVs don’t require any backlight. In dark scenes, individual pixels can switch off completely, producing true blacks and thus, delivering infinite contrast ratio.

This pixel-level control also enables extremely accurate color reproduction and thus, excellent picture quality.

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What is a NanoCell TV?

NanoCell is LG’s LCD TV technology that uses a layer of extremely small nanoparticles to filter out unwanted wavelengths of light and improve the purity and accuracy of displayed colors.

Unlike OLED, a NanoCell TV does not produce light at the pixel level.

It uses an LCD panel with an LED backlight, so the backlight illuminates the LCD layer to create the image.

In simple terms, NanoCell is an enhanced LCD technology, while OLED is a self-emissive display technology.

Many NanoCell TVs use IPS-type LCD panels, which provide wider viewing angles than VA LCD panels.

However, IPS panels typically have lower native contrast, so blacks can appear more gray in a dark room.

Therefore, many NanoCell models may use different backlighting and local-dimming methods to improve the contrast, meaning picture quality can vary considerably between models.

Note: NanoCell remains an LG LCD TV technology, while LG also uses QNED as a separate, higher-tier LCD family. If you’re comparing today’s LG LCD options, it’s worth considering QNED alongside NanoCell.

OLED vs NanoCell: Quick Verdict

OLED is generally the better choice for picture quality, offering perfect blacks, pixel-level contrast control, virtually no blooming and extremely fast response times. NanoCell TVs, however, can be considerably cheaper and are not susceptible to permanent burn-in in the same way OLED is.

OLED vs NanoCell: Main Differences

Feature	OLED	NanoCell
Display type	Self-emissive	LCD
Backlight	None	LED
Black levels	Excellent	Limited by LCD panel/backlight
Contrast	Pixel-level	Panel + local dimming dependent
Blooming	Virtually none	Possible
Viewing angles	Excellent	Generally good with IPS-type panels
Response time	Extremely fast	Slower
Bright-room performance	Model dependent	Model dependent
Burn-in risk	Possible	No permanent OLED-style burn-in
Price	Usually higher	Usually lower

Having summarized the differences between OLED and NanoCell technologies at a glance, let’s now take a closer look at them.

Contrast

NanoCell TVs are LCD TVs that rely on an LED backlight. Some models use local dimming to control different areas of the backlight independently, which can improve black levels and contrast.

However, the backlight cannot control each pixel individually, so some light can remain visible in areas that should appear completely black.

This can make blacks look grayish in dark scenes and can produce blooming around bright objects.

Some NanoCell models use local dimming to improve contrast, while others rely on simpler backlighting

However, since local dimming controls groups of pixels rather than individual pixels, so a bright object against a dark background can still illuminate the surrounding area and create blooming.

Moreover, since NanoCells mostly use IPS LCD panels which have relatively low native contrast, they cannot block as much light as VA panels when displaying dark areas.

As a result, even with local dimming, blacks can still appear grayish, particularly in a dark room.

OLED works differently, as each pixel produces its own light and can switch off completely when displaying black.

This gives OLED essentially perfect blacks, extremely high contrast and virtually no blooming.

The difference is especially noticeable when watching movies or HDR content in a dark room, where stars, subtitles and other bright objects stand out sharply against a black background.

Practically, if you want to experience deep blacks, minute shadow detail and minimal blooming, OLED has a clear advantage.

While NanoCell can still deliver good contrast on models with effective local dimming, but it cannot match pixel-level light control.

Winner: OLED

Viewing Angles

Each pixel of an OLED produces its own light, and can be independently controlled.

Therefore, the picture remains consistent when viewed from the side, with minimal loss of contrast or color.

Colors stay sharp, vibrant, and consistent, no matter where you’re seated.

NanoCell TVs with IPS panels can also provide wide viewing angles, generally preserving colors better than VA-based LCD TVs when viewed from the side.

However, contrast and overall picture quality can still deteriorate when a NanoCell TV is viewed from very wide angles.

That said, for wide seating arrangements, both OLED and IPS-based NanoCell TVs practically maintain good picture quality from different viewing positions.

Winner: Both

Brightness & HDR

OLED generally delivers superior HDR picture quality because of its perfect blacks, pixel-level contrast and excellent highlight control.

However, brightness varies considerably between OLED models, while some LCD/NanoCell TVs can produce strong full-screen brightness and may be better suited to particularly bright rooms.

While older OLED TVs often struggled with brightness in very bright rooms, newer high-end models can deliver significantly higher brightness.

Some, such as Samsung’s S95F, combine high peak brightness with an effective anti-reflective coating.

Moreover, for HDR, brightness alone isn’t enough. Contrast, black levels, local dimming and color volume all affect how impactful HDR content looks.

OLED’s ability to switch individual pixels completely off produces lifelike images with rich colors and striking contrast, especially in dark HDR scenes.

Winner: OLED

Color Gamut & Accuracy

Color differences between OLED and NanoCell are generally less obvious than the difference in black levels and contrast.

Both OLED and NanoCell TVs can produce a wide range of colors, however, their performance depends on the panel and underlying technology.

IPS-based NanoCell models can offer good color accuracy and consistency at wide viewing angles.

That said, for HDR content, the combination of color gamut, color volume, brightness and contrast matters more than any single feature.

The color gamut and contrast of NanoCells can fall behind higher-end OLEDs, particularly when displaying high quality HDR content.

A premium OLED display like QD-OLED uses quantum dots to produce highly saturated colors, delivering an exceptionally wide color gamut and high color volume.

WOLED models, including those with MLA technology, can also offer excellent color performance, with MLA (Micro-Lens Array) primarily improving brightness rather than considerably expanding the color gamut.

Winner: OLED

Gaming and Motion Handling

OLED has a clear technical advantage for gaming because its pixels can change state almost instantly, in as low as about 0.1 to 0.2 milliseconds, resulting in exceptionally fast response times and minimal motion blur.

This makes fast-paced games look sharper and more fluid, particularly during rapid camera movements or competitive gameplay.

OLED TVs can also offer low input lag, high refresh rates, VRR, ALLM and HDMI 2.1, although the exact gaming features vary by model.

NanoCell TVs can also provide a good gaming experience, especially on models with high refresh rates, VRR and HDMI 2.1.

However, their LCD panels generally have slower pixel response times than OLED, which can result in more visible motion blur in fast-moving scenes.

On the other hand, NanoCell does not have the same burn-in concern as OLED, which may make it preferable for gamers who regularly play titles with persistent HUDs or other static elements for many hours.

Winner: OLED

Burn-in

OLED TVs can experience temporary image retention and, with prolonged display of static elements, permanent burn-in caused by uneven pixel wear.

This may occur when static bright elements, such as a news channel logo, remain on the screen for extended periods.

Over time, this can lead to a faint ghost image or, in more severe cases, permanent burn-in where the stressed pixels degrade.

However, modern OLED TVs use features such as pixel shifting and compensation cycles to reduce this risk, so burn-in is not a major concern for most users who prefer to watch varied content.

On the other hand, NanoCell TVs use an LED-backlit LCD panel, so they are not susceptible to permanent OLED-style burn-in.

This makes NanoCell a safer choice, especially if your TV frequently displays static content.

Winner: NanoCell

OLED vs NanoCell: Which TV to buy?

Choose OLED if picture quality is your top priority.

Its perfect blacks, pixel-level contrast, virtually no blooming, excellent viewing angles and near-instant response make it very well suited to movies, HDR content and gaming, especially in a dark or controlled-light room.

NanoCell TVs do have one important advantage that they are not susceptible to OLED-style permanent burn-in.

While modern OLED TVs have several technologies designed to reduce the risk, prolonged display of static content can still cause uneven pixel wear over time.

In terms of pricing, OLED TVs generally cost more than NanoCell models of similar size.

So, if you’re on a tight budget, a NanoCell TV can still be a solid step up from a basic LED TV while delivering good 4K picture quality.

However, if top-tier picture quality is what you’re after, and the budget allows, investing in an OLED TV is definitely worth it

FAQs (Frequently Asked Questions)

1. Is OLED more energy efficient than NanoCell?

OLED can be more energy efficient with dark content because individual pixels can turn off completely. That said, bright or HDR content can increase OLED power consumption significantly, while NanoCell’s power use is less dependent on the picture content.

2. Is OLED better for gaming than NanoCell?

OLED generally offers faster response times, lower input lag, and superior contrast, which makes it much more suitable for playing faced paced games than NanoCell. That said, NanoCell has no OLED burn-in risk, making it preferable for gamers who display static HUD elements for long periods. Moreover, both OLED and NanoCell can support high refresh rates depending on the model.

3. Which is better for a bright room, OLED or NanoCell?

A bright modern OLED can deliver excellent HDR brightness, but NanoCell TVs can still be advantageous in very bright rooms, particularly models with high peak brightness. OLED’s perfect blacks can also preserve strong HDR contrast even when the room is bright.

4. Does NanoCell look better than OLED in a dark room?

No, OLED generally looks better in a dark room because its self-lit pixels produce perfect blacks and virtually eliminate blooming. NanoCell’s LCD backlight can produce some raised blacks and blooming, especially in dark scenes.

5. Which is more expensive, OLED or NanoCell?

OLED TVs are generally more expensive than NanoCell TVs of similar size and features. NanoCell offers a lower-cost alternative, while OLED commands a premium for its superior contrast, black levels, and overall picture quality.

6. Why is OLED more expensive than NanoCell?

OLED uses self-emissive pixels that produce their own light, enabling perfect blacks, pixel-level contrast and extremely fast response times. NanoCell uses an LED-backlit LCD panel, which generally costs less.

7. Does NanoCell last longer than OLED?

Not necessarily. NanoCell avoids OLED burn-in, but overall TV lifespan depends on other factors as well, such as usage, backlight performance and component reliability.