Samsung creates a 10,000 PPI OLED panel

Ruben Fields
October 27, 2020

The pixel density is now the world's largest and most advanced piece of display in modern OLED technology, with Samsung and Stanford leading the innovation.

Last week, researchers from Stanford University and Samsung's South Korea-based research and development division, Samsung Advanced Institute of Technology (SAIT), developed an organic light emitting diode (OLED) that can deliver more than 10,000 ppi. The reflecting layers allow for a much higher pixel density than ordinary RGB OLED on smartphones.

Additionally, the team estimates that their design can even produce displays larger than 20,000 pixels per inch, although there is a brightness tradeoff if a single pixel is less than a micron in size. This is said to be easier to produce and cost-effective as well.

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The potential result of this is insanely high pixel density screens that would eliminate the nag of screen door effect in virtual reality headsets and create a almost flawless visual experience. There's one silver layer coupled with one that's made of reflective metal changing the reflective properties and enabling specific colors to resonate. As per the research, the first one, called red-green-blue OLED, has individual sub-pixels that contain only one colour of emitter.

The research by Samsung and Stanford University aims to offer an alternative to the two types of OLED display that are now available commercially.

Researchers successfully produced miniature proof-of-concept pixels in lab tests. On the other hand, modern OLED televisions only have 100 to 200 PPI capabilities on its systems, using color filters to amplify or replicate the many tones displayed on pictures, videos, or films. Samsung is already working on a "full-size" display using the 10,000PPI tech, and the design of the corrugations makes large-scale manufacturing viable.

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