Location History:
- Redmond, WA (US) (2020)
- Helsinki, FI (2020 - 2023)
Company Filing History:
Years Active: 2020-2023
Title: Innovations by Pietari Tuomisto
Introduction
Pietari Tuomisto is a notable inventor based in Helsinki, Finland. He has made significant contributions to the field of optical technologies, particularly in augmented and virtual reality devices. With a total of four patents to his name, Tuomisto's work focuses on enhancing display technologies and improving user experiences in head-mounted display devices.
Latest Patents
One of Tuomisto's latest patents is related to dichroic coatings designed to improve display uniformity and light security in optical combiners. These reflectors, which comprise thin film dichroic coatings, are strategically placed on various components of a waveguide-based optical combiner. This innovation aims to reduce color cross-coupling in holographic images and reflect forward-projected holographic image light back to the user's eye. The implementation of narrowband reflectors for each color in the RGB color model enhances virtual display uniformity and minimizes sharp edge defects. Additionally, it improves light security by reducing the amount of forward-projected holographic image light that escapes from the head-mounted display device.
Another significant patent involves tuned waveguides for augmented reality and virtual reality devices. This invention describes a configuration where a first optical waveguide receives light at a specific incidence angle, while a second optical waveguide is positioned in a non-parallel relation to the first. The second waveguide is designed to receive light through the first waveguide, transmit it, and output it back toward the first waveguide at the same incidence angle, thereby enhancing the overall optical performance of the device.
Career Highlights
Pietari Tuomisto is currently employed at Microsoft Technology Licensing, LLC, where he continues to innovate in the field of optical technologies. His work at Microsoft has allowed him to collaborate with leading experts in the industry, further advancing the development of cutting-edge display technologies.
Collaborations
Some of Tuomisto's notable coworkers include William J. Cummings and Dmitry Reshidko. Their collaborative efforts contribute to the innovative projects at Microsoft, enhancing the capabilities of augmented and virtual reality devices.
Conclusion
Pietari Tuomisto's contributions to optical technologies and display innovations are noteworthy. His patents reflect a commitment to improving user experiences in augmented and virtual reality, showcasing his expertise in the field. Through his work at Microsoft, Tuomisto continues to push the boundaries of
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