International Display Workshops General Incorporated Association

Proceedings of the International Display Workshops Volume 30 (IDW '23)

Proceedings of the International Display Workshops Volume 30 (IDW '23)

Dec 6, 2023 - Dec 8, 2023
TOKI MESSE Niigata Convention Center

3:40 PM - 4:00 PM

[LCT7/FMC7-2 (Invited)] Double Path Pancake Optics for HMD to Improve Light Efficiency

*Takehisa Yoshida1, Naru Usukura1, Kiyoshi Minoura1, Yoshiko Honma2 (1. Sharp Display Technology Corporation (Japan), 2. Kantatsu Corporation (Japan))

HMD, Compact HMD, Virtual reality, Polarized pancake optics, High resolution LCD

https://doi.org/10.36463/idw.2023.0071

We proposed novel pancake-based optics for HMD named “Double path pancake optics” to achieve both compactness and high light efficiency simultaneously. We made the prototype and our result demonstrated 25.5 mm thickness of optics and 1.8 times higher light efficiency compared to that of conventional one.