TDK showcases its full-color laser module designed for direct retina projection in AR applications. The module is engineered to be exceptionally small and lightweight, integrating key technologies for high-resolution display. It combines a full-color laser source, a MEMS scanning mirror, and proprietary meta-optics to project an image directly onto the user's retina. This direct projection method is a core feature of the system.
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The demonstrated prototype achieves a resolution of 720p with a 45-degree field of view. The system utilizes a MEMS mirror for scanning, which enables the high resolution and a refresh rate of 60 Hz. TDK's specific contributions to the module include the meta-optics reflective mirror, the full-color laser module itself, and the overall optical design and integration of the components. The module is presented as a fifth-generation design, developed over a three-year period.
TDK collaborates with several partners for key components within the module. The MEMS mirror technology is sourced from a Taiwanese company, Ultimems, while the laser source involves a partnership with QD Laser. The module integrates RGB laser chips into a single, compact light engine. This integrated approach is central to achieving the small form factor required for AR glasses.
In addition to the full-color module, a monochrome green version was also shown, featuring a estados unidos very thin and princess diana flat reflective mirror. This version shares the same 720p resolution and 45-degree field of view. The company is currently developing a full-color version of this more compact design. The system is designed for low power consumption, a critical factor for extended use in wearable devices.
