The difference between OLED and QLED technology


The difference between OLED and QLED technology

Share this article

This guide is designed to explain the difference between OLED and QLED technology. Navigating the rapidly evolving realm of television technology can be quite a challenge. This guide aims to elucidate the intricate differences between OLED and QLED technology, making it easier for consumers to make informed decisions. Over the past few years, the TV industry has seen an influx of sophisticated acronyms, leaving even those who consider themselves tech aficionados scratching their heads.

Among these, OLED and QLED have emerged as the dominant players, leading the pack and often becoming the focal points of heated debates. Enthusiasts and experts alike argue fervently about which of these technologies offers a superior viewing experience. So, what do these prominent acronyms represent, and how do their underlying technologies set them apart? It’s time to delve deeper and explore the fascinating universes of OLED and QLED.

Understanding OLED: Organic Light Emitting Diodes

Origin: OLED stands for Organic Light Emitting Diodes. The term “organic” refers to the carbon-based compounds used in the production of these diodes.

How it works: Unlike traditional LED TVs that require a backlight, OLED screens produce light when an electric current is applied to these organic compounds. This self-lighting property allows OLED TVs to achieve true blacks by turning off individual pixels, thereby providing incredible contrast ratios.


  • Deep Blacks: One of the standout features of OLED technology is its ability to produce exceptionally deep and true blacks. This is achieved because OLEDs have the unique capability to turn off individual pixels entirely. When a pixel is turned off, it emits no light, resulting in absolute black. This stark contrast creates vibrant images and allows OLEDs to offer black levels that are unparalleled in depth and richness.
  • Wide Viewing Angles: Another significant advantage of OLED TVs is their impeccable performance when viewed from various angles. Unlike some other television types, which might lose color accuracy or contrast when looked at from the side, OLED TVs maintain a consistent and true representation of colors and contrasts. This means that even from oblique or side angles, viewers can enjoy an uncompromised and immersive viewing experience.
  • Sleek and Slim Designs: The design aesthetics of OLED panels are notably striking due to their slim profiles. The absence of a need for a backlight, which is essential in other TV technologies, allows OLED panels to be crafted incredibly thin. This not only adds to the elegance and modern appeal of the TV but also provides versatility in mounting and placement options.
See also  QLED TV Buying Guide: What to Look for When Investing in a High-Performance Display


  • Burn-in Concerns: A significant drawback associated with OLED technology is the phenomenon known as “burn-in”. This occurs when static images are displayed on the screen for extended periods, leading to uneven wear on the organic compounds in the pixels. Consequently, these static images can leave a persistent and undesired shadow or “ghost” imprint on the screen. It’s an effect that, over prolonged exposure, can become more pronounced, potentially compromising the overall viewing experience.
  • Brightness Constraints: OLEDs, undoubtedly, are renowned for their remarkable contrast ratios, which is primarily due to their ability to achieve true blacks. However, when it comes to the realm of peak brightness, OLEDs have some limitations. While they can produce vibrant and detailed dark scenes, they might not shine as brightly in exceptionally well-lit scenes or environments. QLEDs, on the other hand, have carved a niche for themselves by delivering exceptional peak brightness levels, often outshining OLEDs in this specific domain. This makes QLEDs particularly suitable for viewers who prioritize dazzlingly bright displays or for rooms with a lot of ambient light.

Diving into QLED: Quantum Dot LED

Origin: QLED represents Quantum Dot LED. Developed and popularized by Samsung, this technology revolves around tiny semiconductor particles known as quantum dots.

How it works: A QLED TV still uses a backlight, but it shines through a layer of quantum dots before reaching the screen. These quantum dots emit their own colored light when exposed to this backlight, resulting in brighter and more vibrant images.


  • Exceptional Brightness: QLED televisions have a notable advantage when it comes to delivering radiant displays in environments with abundant light. Engineered to excel in well-lit rooms, QLEDs stand out by boasting exceptional peak brightness levels. This capability ensures that viewers receive a clear, sharp, and vivid picture even in spaces flooded with natural or artificial light, making them ideal choices for sunlit living rooms or spaces with numerous light sources.
  • Rich and Consistent Color Volume: At the heart of QLED technology lies the magic of quantum dots. These nano-sized semiconductor particles play a pivotal role in QLED displays. Due to their unique properties, quantum dots enable QLED TVs to reproduce a spectrum of vibrant colors with unmatched accuracy and intensity, regardless of the screen’s brightness level. Whether you’re watching a dimly lit scene or a sun-soaked landscape, the colors remain rich and true to life, offering viewers a mesmerizing visual treat.
  • Freedom from Burn-in Worries: One of the remarkable benefits of opting for a QLED TV is its resilience against the burn-in phenomenon, a challenge often associated with OLEDs. Burn-in occurs when static images linger on the screen over prolonged periods, potentially leaving behind a faint but permanent mark. However, QLED users can enjoy their favorite shows, games, or static displays without the constant worry of potential burn-in effects, ensuring a consistent and long-lasting viewing experience.
See also  iOS 17 Release Candidate speed test (Video)


  • Depth of Blacks and Contrast Nuances: QLED televisions use a backlighting system, which poses inherent challenges when it comes to replicating the deepest shades of black. The presence of this backlight means there’s always some amount of light bleed, making it difficult to achieve the absolute black levels that OLEDs can effortlessly produce. While QLEDs do employ techniques like local dimming—where specific sections of the backlight dim or turn off to improve contrast—it’s a solution that isn’t quite as precise as OLED’s individual pixel lighting. In OLEDs, each pixel emits its own light and can be turned off independently, allowing for true blacks and superior contrast.
  • Comparing Viewing Angles: Over the years, advancements in QLED technology have led to significant improvements in viewing angles. However, even with these enhancements, QLEDs face challenges when compared to OLEDs in this domain. While you can enjoy a vibrant and clear display from front-on or slightly off-center angles with QLEDs, the consistency of colors and the retention of contrast may wane as you move further to the side. OLEDs, with their unique pixel-based lighting system, consistently shine in this aspect. They ensure that viewers experience almost uniform color accuracy and contrast, regardless of where they’re seated, providing an edge in terms of overall viewing flexibility.

Which is Right for You?

Choosing between OLED and QLED boils down to your preferences and viewing environment. If you prioritize deep blacks, thinner designs, and wider viewing angles, OLED might be your choice. However, if brightness, vibrant colors, and avoiding burn-in issues are top on your list, then QLED could be the winner.

See also  Steam Deck OLED vs ROG Ally vs Legion Play

The rivalry between OLED and QLED has spurred innovations, pushing the boundaries of what modern TVs can achieve. While they differ in their approaches, both offer unique advantages that cater to diverse audiences. As technology evolves, we can only expect these platforms to grow and further enhance our viewing experiences. We hope that you find out guide on the difference between OLED and QLED technology helpful, if you have any comments, suggestions, or questions, please let us know in the comments section below.

Image Credit: Samsung

Filed Under: Displays News, Guides

Latest Aboutworldnews Deals

Disclosure: Some of our articles include affiliate links. If you buy something through one of these links, Aboutworldnews may earn an affiliate commission. Learn about our Disclosure Policy.

Leave a Reply

Your email address will not be published. Required fields are marked *