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Samsung, Stanford develop 10,000 PPI ultra-high resolution OLED display

Samsung and Stanford University have collaboratively developed this technology to boost image quality and improve colour purity.

Stanford University, in collaboration with Samsung Advanced Institute of Technology (SAIT), claims to have developed a new ‘metaphotonic’ display technology that potentially boosts pixel density up to 10,000 pixels per inch (inch). This can also improve colour purity of the existing Organic Light-Emitting Diode (OLED).

The new technology is expected to have better and brighter colour accuracy and it would also cost less to produce. The architecture of the new technology was developed using the design of the exiting electrode of solar panels that can be used for AR/VR, televisions and smartphones.

The new OLED display is said to produce high-quality images with extra minute details due to its high pixel density for better user experiences. In the new OLED display, each pixel is composed of smaller sub-pixels which produces three of the primary colours — red, green or blue. This is then perceived as a single colour by the human eye when the resolution reaches its heights sufficiently.

An extra layer is added at the bottom of the conventional OLED stack for the new technology. This new layer is called ‘Optical Metasurface’, which is patterned with nanoscale corrugations that manipulates the way the light is reflected back by changing the different colour resonate in each pixel. This is basically made of reflective metal and scattered microscopic pillars that are altogether wrinkled on the surface of the added layer.

These microscopic pillars get along with different sizes and arrangements that can manipulate different wavelengths of the RGB lights. The RGB specifically gets allocated to the diodes, when the white light falls on these pillars. The new OLED display also increases twofold luminescence efficiency for a brighter screen at less energy.

Samsung has already started working on the full-size display using the 10,000 pixels per inch technology.

Sampurna Maity
| Writer | Dancer | Travel Enthusiast | Foodie |


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