Samsung Display and LGD enter the OLEDoS and LEDoS business

AR/VR headsets/glasses products may usher in a leap forward in the display, as both Samsung Display and LG Display are developing OLED on silicon (OLEDoS) and LED on silicon (LEDoS) technologies. Once deployed on a large scale, there will be dramatic improvements in the clarity, brightness, and size of these devices.

Image: LG Display

The Elec reports that both Samsung Display and LG Display are developing their own OLEDoS and LEDoS technologies.

Samsung Display currently plans to supply the parent company Samsung with a silicon-based OLED solution with a PPI of 3,000 and a brightness of 10,000 nits, while the silicon-based LED solution can achieve a higher 6,000 or even 7,000 PPI. LG Display is to provide Apple with a silicon-based OLED solution, so the research and development of silicon-based OLED technology started earlier than Samsung Display, and their silicon-based OLED solution is expected to be applied to the mixed reality device that Apple should launch next year.
Both silicon-based OLED and silicon-based LED are technologies developed based on higher PPI requirements. Among them, compared with traditional glass-based OLEDs, silicon-based OLEDs can greatly increase the PPI pixel density while reducing the physical size of the display panel because the pixels are directly placed on a silicon wafer instead of a glass substrate.

Generally, in an area of ​​about 1 inch, the PPI of silicon-based OLEDs can reach 3000 or higher.
For VR/AR headsets/glasses that require extremely high PPI, silicon-based OLED and silicon-based LED are undoubtedly very good display technologies. Higher PPI can bring users a clearer picture, thereby improving the experience of using BR/AR. Sony’s silicon-based OLED technology is currently at the forefront of this road, and their solution is to use white OLED and red, green, and blue color filters.