Round Diamond Pixel™ is a technology that optimizes image quality on a display by shaping pixels, the basic units of a display screen, into round sub-pixels and arranging them in a diamond pattern.

A ‘pixel’ in a display refers to the basic unit that constitutes the images on the screen. The images you see on the screen of a smartphone, monitor, or TV are made up of numerous pixels.

A pixel can be divided into smaller units. You can think of it as breaking down a molecule into numerous atoms. A pixel consists of three primary colors - red (R), green (G), and blue (B). The smaller pixels that produce each of these colors are called ‘sub-pixels,’ which can be classified into various categories depending on how they are structured, including a stripe and a diamond arrangement type.

Reflecting the fact that the human eye perceives green better than any other color, Diamond Pixel™ has green pixels in the smallest size and is most densely populated, to fully leverage the characteristics of the RGB colors. The technology achieves crisp and clear image quality even for text, where legibility is crucial, by not only expressing straight lines on four sides of a letter, but also producing even diagonal lines with sharpness and clarity. 

In 2021, Samsung Display unveiled its Eco²OLED™ technology which removed the polarizer, an opaque plastic sheet typically attached to a display, to increase the light transmission rate by 33%. With the announcement, Samsung Display also revealed Round Diamond Pixel™, a technology that optimizes image quality combined with Eco²OLED™. Developed by Samsung Display, Round Diamond Pixel™ is a technology that enhances the ability of sub-pixels to control light diffraction compared to Diamond Pixel™. It is a technology to optimize image quality that is used in combination with Eco²OLED™ to achieve a high resolution.