Samsung invents a groundbreaking OLED display with a resolution of up to 10,000 pixels per inch

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The development was carried out in collaboration with scientists from Stanford University

Researchers at the Samsung Research Institute (SAIT) have partnered with colleagues at Stanford University to develop a new OLED structure that they say will dramatically improve OLED display performance.

Samsung OLED display
Samsung OLED display

Samsung invents a groundbreaking OLED display with a resolution of up to 10,000 pixels per inch

In the so-called “metaphotonic” structure, the OLED panel is fabricated on a reflective base metal layer with nanoscale relief. This surface allows color to be produced by resonance using the ability of light to reflect. The new structure enables a resolution of up to 10,000 pixels per inch, high brightness and an economical manufacturing process.

Two types of OLED displays are now produced. In one, the screen consists of red, green and blue subpixels formed by sputtering each layer of materials through a fine metal mesh. This is how small displays are made, which are used in smartphones.

Larger devices like TVs use white OLED displays. A pixel contains a stack of emitters of all colors, and a subpixel color-defining filter is formed on top of it, which is easier to manufacture. Because filters reduce overall light output, white OLEDs are more power hungry and prone to fading.

The new structure uses a completely different color architecture, one of the main advantages of which is the same height of all subpixels, which makes it easier to apply layers of materials.

Samsung scientists are currently working to translate the idea into a full-size OLED display.

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