Excyton Limited, a UK-based OLED company, presents its 3D OLED display technology at Display Week. CEO Peter Levermore explains that unlike traditional 2D displays with side-by-side red, green, and blue subpixels, Excyton’s approach stacks the RGB subpixels vertically. This three-dimensional pixel structure allows for independent control of each color layer, which are connected in parallel rather than in series. The company showed the world’s first display prototype utilizing this architecture.
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The primary advantages of this 3D OLED structure are threefold: a threefold increase in resolution, brightness, and efficiency. By stacking the subpixels, the display achieves higher pixel density in the same footprint. The efficiency gain comes from eliminating the need for color filters, which in conventional designs discard approximately two-thirds of the light. This approach is significantly more efficient than the color-filtered white OLED (WOLED) technology used in displays like Apple’s Vision Pro.
The demonstration at the iZone featured a fully calibrated display capable of reproducing 16 million colors and covering the DCI-P3 color gamut. This proves the technology’s ability to match the color performance of standard displays. Another demo illustrated the color mixing principles of the stacked RGB pixel structure. The technology is distinct from tandem OLED structures, where multiple layers of the same color are used to boost brightness but cannot be controlled independently.
Excyton’s technology becomes commercially viable due to recent advancements in front-plane manufacturing using photolithography, as highlighted by companies like Visionox. Traditional OLED manufacturing relies on vapor deposition with shadow masks, which limits pixel design complexity. Photolithography allows for more intricate patterning by depositing material everywhere and then selectively removing unwanted portions, making the 3D pixel structure manufacturable at scale.
Based in Durham and working closely with Durham University, Excyton operates as a fabless IP company. The goal is to license the technology to major display manufacturers. The adoption timeline for passive-matrix displays is estimated at six to twelve months, while integration into high-volume commercial active-matrix displays would take approximately three years. The company’s presence at the iZone followed a successful presentation at ICDT in China.
