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As the reader hypothesized, a coalition means that member companies have a common opponent, the QLED coalition, the member companies opponent is OLED. It sounds like QLED and OLED will battle the TV market.

OLED TVs are highly praised by tech media and reviewers, including Digital Trends. For example, LG's C7 OLED TV was praised by DigitalTrends as the best TV of 2017. However, until 2017, LG is the only manufacturer to introduce OLED TV sets, the high price, making OLED TVs are unimaginable for most consumers, therefore, it is not a threat to QLED TVs. Now, Sony introduced OLED TV products to bring new competition in the market. LG's OLED TV product line has also been expanded to include more affordable models. QLED technology felt the pressure. However, Samsung seems to be well prepared to meet the challenges in the follow-up product line to upgrade the technology, and strive to narrow the gap with OLED TVs.

Although the terms "QLED" and "OLED" both sound and look alike, they are two completely different technologies, so it is important to compare the strengths and weaknesses of the two competing technologies of. As always, Tencent digital readers answer doubts.

First DigitalTrends will discuss what QLED technology is and what kind of technology is not, and then compare the multiple indicators of the two technologies to find out which technology is better.

Spoiler: This is a close contest, when Samsung plans to announce in March the new QLED product line, the gap between the two will be further narrowed.

QLED is a ghost?

QLED TV is a type of LED TV, but using quantum dot technology to improve several key image quality indicators. Samsung, for example, claims that its QLED televisions can deliver comparable or even higher brightness than any competing television technology, providing purer black than other LED televisions and being able to reproduce more than LED televisions without quantum dot technology Multi-color.

How is it done? Quantum dot technology is like a filter that generates more pure light than LEDs that rely solely on LEDs. This technique is quite complex, so this article will not explain the science behind QLED technology.

In order to comply with UltraHD Alliance's Ultra-High Definition Television standards, most LED TVs must somehow use quantum dot technology. Because quantum dot technology is now widely used on high-end TVs, Samsung believes that if every manufacturer begins to call them QLED TVs, it will reduce confusion. The goal is to distinguish it from pure LED TVs and to compete with OLED TVs because there is currently no plan to make OLED TVs in Samsung. However, Samsung has its own technology that competes with the OLED: microLED. This is a separate technology from the QLED TV, so this article will not cover it. However, based on what we saw and heard at the 2018 International Consumer Electronics Show, microLED could pose a serious competitive threat to OLEDs, especially in terms of brightness and black purity.

QLED is not what?

Unlike older CRT (cathode ray tube) televisions that plasma, OLEDs, MicroLEDs, and even ashes in the basement, QLEDs are not a self-luminous display technology. Quantum dots do not send the color you see directly, they're all on a thin film - almost the same as filters on an LED TV. LED backlight through the film, the light is adjusted to the desired color temperature, brightness and color have been greatly enhanced.

However, TV enthusiasts have always expected to have a different type of QLED TV that can turn on or off current at each quantum dot, eliminating the need for backlighting systems and LCD panels as OLED display technology does. If the quantum dots glow, then we can call QLED self-illuminating display technology, but that's not the case right now.

OLED is a ghost?

OLED means organic light-emitting diode. In short, organic light-emitting diodes are made of organic compounds that emit light when energized. This is known as self-luminous display technology. An organic light-emitting diode is the same size as a pixel, so the television screen needs millions of organic light-emitting diodes turned on and off independently. Due to this flexibility, when the pixels of an OLED television are turned off, they are completely dimmed and appear as pure black. Although the QLED TV can be made very thin OLED TV can be made thinner, or even have some flexibility.