QD-OLED monitors have been among the best monitors available for the past few years, thanks to their high color volume. However, this technology has suffered from an issue where black levels rise in ambient light since its inception. When light hit the panel or reflections occurred, the screen would shift to a purplish tone, leading to a loss of contrast. Samsung Display is now preparing to solve this problem with its newly developed “QuantumBlack” coating.
The problem of rising black levels in QD-OLED stems from the absence of a polarizing layer in the panel structure. Samsung made this choice to preserve brightness and color performance, but it also led to some side effects. Light hitting the panel reflects more, interacting with closed (black) pixels and causing the image to appear washed out. Furthermore, because QD-OLED is based on a blue layer, this situation creates a purple/magenta tinted effect.
Reduces Reflections by 20% and Increases Contrast
Samsung states that the QuantumBlack film reduces light reflections by 20% compared to previous generation products and improves black depth under ambient light. Additionally, the hardness of the screen surface has been increased from 2H to 3H on the commonly used Mohs scale. This means a surface that is more resistant to scratches, especially those caused by minor contact like fingernails.
The new coating will be featured in upcoming QD-OLED monitors from brands like ASUS, Gigabyte, and MSI, in addition to Samsung. ASUS will market this technology as “Black Shield,” Gigabyte as “Obsidian Shield,” and MSI as “Dark Armor.”
Interest in OLED and QD-OLED monitors continues to grow rapidly. According to data from research firm Omdia, the self-emissive display market is expected to reach 7.6 million units in 2030, up from 3.4 million units in 2025.
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