What are the black technologies of the recent hot Quantum Dot TV? Sofa housekeeper brings you secret

The term "quantum dot screen" has recently gained a lot of attention, especially after LG G4 introduced it to the public. It claims to offer a wider color gamut, higher brightness, better contrast, and more accurate color reproduction than traditional IPS screens. Now, quantum dot technology is making a comeback in the television industry, as Samsung believes that OLED might not be the future, and instead, they're putting their faith in quantum dot technology. But what exactly is this technology, and can it really challenge the dominance of IPS and OLED screens?

Quantum dots are also known as nanocrystals, with sizes typically ranging from 1 to 10 nanometers. When excited, they emit light at different wavelengths. A quantum dot screen is essentially an improvement on the backlight system of LCDs. Compared to regular backlights, the light emitted by quantum dots is much purer, which makes for a more vibrant and accurate display.

LCD screens work by using multiple layers of backlighting, so the backlight system plays a crucial role in determining the final image quality. Quantum dot technology enhances this system, delivering more precise and vivid colors. This makes it a strong competitor in the display market.

OLED screens have long been known for their superior color gamut. According to data from WHYLAB, OLED displays often exceed 100% NTSC. In theory, quantum dot screens can reach up to 110% NTSC. However, our tests on the LG G4 showed a color gamut of only 82.37%, which is still considered wide but falls short of both theoretical expectations and OLED performance.

In our tests, the LG G4 achieved a maximum brightness of 505 nits and a static contrast ratio of 1835:1. These figures place it among the top-performing devices in its category. While the quantum dot screen performed well in terms of color accuracy, brightness, and contrast, it still hasn’t fully outperformed the best IPS or OLED screens available at the time.

We believe that quantum dot technology may not yet be mature enough to replace existing display technologies, but with increasing investment from major manufacturers like Samsung and LG, we expect rapid advancements. As the technology evolves, it could potentially become a game-changer in the display industry.

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