27 novembre 2025 | By Tanguay
A clear and friendly guide to understanding TV display technologies—including OLED, QLED, and Mini-LED—to help you choose the perfect television for your needs in 2025.
Are you ready to buy a new television but feel a little lost with all the acronyms? OLED, QLED, Mini-LED... it's easy to get confused. Choosing the right TV might seem complicated, but don't worry, we're here to help you see things more clearly.
This simple and complete guide will explain the differences between the main display technologies available on the market. In 2025, understanding these technologies will help you make an informed choice that matches your viewing habits.
Whether you're a movie lover, a gamer, or just looking for a good TV for the family, get ready to become an expert and find the television of your dreams!
Before exploring newer technologies, it's important to understand the foundations. Most televisions on the market today are based on LCD (Liquid Crystal Display) technology.
These screens use a backlighting system, which is often made of light-emitting diodes (LEDs). The LEDs project light through a layer of liquid crystals.
These crystals open and close to let light pass through, creating the images you see on the screen. Color filters are then added to produce the final color palette.
In short, when you hear about an "LED" TV, it's an LCD TV with an LED backlight. This is the basic technology on which innovations like QLED and Mini-LED have been built.
OLED (Organic Light Emitting Diode) technology is very different from LCD/LED screens. Here, there is no backlight. Each pixel produces its own light and can turn on or off completely independently.
What does this mean for you?
Absolute Blacks: To display black, an OLED pixel simply turns off. The result is a perfect black, not a dark gray like on LCD screens that must block light from the backlight.
Strong Contrasts: The ability to display perfect blacks next to bright colors creates incredible contrast. This gives impressive depth and realism to the image.
Wide Viewing Angles: Colors and contrast remain true even if you watch the screen from the side. This is perfect for movie nights with family or friends.
These qualities make OLED TVs an ideal choice for fans of movies and series who are seeking the best picture quality, especially in a dark room.
QLED (Quantum Dot Light Emitting Diode) is not a separate display technology like OLED. It is an innovation of LCD/LED technology, marketed by Samsung.
QLED TVs add a layer of tiny nanocrystals, called Quantum Dots, between the LED backlight and the liquid crystal layer. These quantum dots react to light by emitting extremely pure and vibrant colors.
The main advantages of QLED are:
Richer Colors: QLED can display a wider range of colors, which makes images more vivid and realistic.
Higher Brightness: QLED screens are often brighter than OLED screens. This makes them ideal for well-lit rooms where reflections can be a problem.
To further improve the contrast of QLED screens, manufacturers introduced Mini-LED. This technology replaces the few hundred LEDs of a traditional backlight with thousands of much smaller LEDs. These Mini-LEDs are grouped into multiple local dimming zones that can be controlled with great precision.
Neo QLED is the name Samsung uses for its TVs that combine QLED technology with a Mini-LED backlight. This combination allows for:
Sharper Contrasts: By better adjusting the light and dark areas of the image, the quality approaches that of OLED screens.
Less Halo Effect: The "blooming" effect (a halo of light around bright objects) is reduced. This is especially noticeable when watching movies at night.
Other brands have developed their own technologies to improve LCD screens.
NanoCell (LG): Like QLED, this technology uses nanoparticles to filter out unwanted colors and improve the purity of hues on the screen. LG also combines this technology with Quantum Dots and Mini-LED in its high-end models, called QNED.
ULED (Hisense): This is not a distinct display technology but rather a marketing term used by Hisense. A ULED TV uses several of the brand's advanced technologies, including quantum dots, HDR, and effective local dimming, to enhance image quality.
Now that you understand the technologies, here are a few tips to help you make your choice:
For Movie and Series Fans: If you watch movies in a dark room, OLED is for you. It offers the best possible picture quality. Its perfect blacks and infinite contrasts provide an unmatched cinema experience.
For Video Gamers: Smoothness is essential. Choose a high-quality OLED or QLED/Mini-LED screen. Make sure it has a high refresh rate, like 120Hz or more, and check that it has HDMI 2.1 ports. These features guarantee a responsive and stutter-free gaming experience.
For Watching Sports and TV During the Day: If your television is in a bright living room, opt for a QLED or Mini-LED model. Their high brightness helps counter reflections and delivers a clear, dynamic image, perfect for live events.
For Family Use: If you'll be watching cartoons, news, and movies, a 4K LED screen is a great option. It handles HDR well and offers an excellent price-to-quality ratio.
You now know what's behind OLED, QLED, and Mini-LED technologies. Choosing a TV primarily depends on your habits, your viewing environment, and your budget. Each technology has its strengths, and the best TV is the one that will best meet your expectations.
The world of television changes quickly. With this information, you are ready to choose for 2025. You will make a choice that you'll be happy with for years to come. Happy shopping!
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