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Session 15 :
Innovative LCTs
Liquid Crystal Technology

Tuesday, May 14 / 02:00 PM   - 3:20 PM / San Jose Convention Center, LL20BC

Chair:
Lu Lu, Meta Reality Labs, Redmond, WA USA

Co-Chair:
Gang Xu, Jingce Electronics, USA, San Jose, CA US

15.1 - Invited Paper: Intuitive Understanding of the Limitation of Pancharatnam–Berry Optical Beam Deflectors (2:00 PM - 2:20 PM)
  • Fenglin Xi, Philip Bos
    Kent State University Kent OH US

  • Hsienhui Cheng, Xiayu Feng, Lu Lu
    Reality Labs Redmond WA US


  • An approximate beam propagation method is proposed as an intuitive simulation of the optics of the Pancharatnam–Berry phase (PPD). Using this method, the limitation in diffraction efficiency for large diffraction angle PPD is made clear.
05/14/2024 2:00 PM 05/14/2024 2:20 PM America/Los_Angeles Intuitive Understanding of the Limitation of Pancharatnam–Berry Optical Beam Deflectors An approximate beam propagation method is proposed as an intuitive simulation of the optics of the Pancharatnam–Berry phase (PPD). Using this method, the limitation in diffraction efficiency for large diffraction angle PPD is made clear. San Jose McEnery Convention Center LL20BC Hsienhui Cheng, Xiayu Feng, Lu Lu
15.2 - Invited Paper: Development of Novel Liquid-Crystal-on-Silicon Microdisplays and Future Application (2:20 PM - 2:40 PM)
  • Yoshitomo Isomae, Nariyasu Sugawara, Yasuhiro Watanabe, Takashi Sakairi, Tomoaki Honda, Koichi Amari, Keiichi Maeda, Tsuyoshi Okazaki, Akiko Toriyama, Koichi Nagasawa
    Sony Semiconductor Solutions Corporation Kanagawa Japan


  • The authors will provide an overview of their developed technologies for liquid-crystal-on-silicon (LCOS) microdisplays and present their latest native 8K LCOS panel with a pixel pitch of 2.6 μm. Future application of LCOS as a phase-only spatial light modulator is also discussed.
05/14/2024 2:20 PM 05/14/2024 2:40 PM America/Los_Angeles Development of Novel Liquid-Crystal-on-Silicon Microdisplays and Future Application The authors will provide an overview of their developed technologies for liquid-crystal-on-silicon (LCOS) microdisplays and present their latest native 8K LCOS panel with a pixel pitch of 2.6 μm. Future application of LCOS as a phase-only spatial light modulator is also discussed. San Jose McEnery Convention Center LL20BC Yoshitomo Isomae, Nariyasu Sugawara, Yasuhiro Watanabe, Takashi Sakairi, Tomoaki Honda, Koichi Amari, Keiichi Maeda, Tsuyoshi Okazaki, Akiko Toriyama, Koichi Nagasawa
15.3 - Reflective Liquid-Crystal Polarization Volume Grating for SWIR with High Diffraction Efficiency and Large Diffraction Angle and Sensor Application (2:40 PM - 3:00 PM)
  • Kazuya Hisanaga, Yujiro Yanai, Yukito Saitoh, Michio Nagai, Yoji Ito
    FUJIFILM Corporation Kanagawa Japan


  • The authors have developed a reflective liquid-crystal polarization volume grating for SWIR with high efficiency and a large diffraction angle. By using this grating and a lightguide system, they demonstrate a sensor system that can capture identical images simultaneously in both visible and SWIR light.
05/14/2024 2:40 PM 05/14/2024 3:00 PM America/Los_Angeles Reflective Liquid-Crystal Polarization Volume Grating for SWIR with High Diffraction Efficiency and Large Diffraction Angle and Sensor Application The authors have developed a reflective liquid-crystal polarization volume grating for SWIR with high efficiency and a large diffraction angle. By using this grating and a lightguide system, they demonstrate a sensor system that can capture identical images simultaneously in both visible and SWIR light. San Jose McEnery Convention Center LL20BC Kazuya Hisanaga, Yujiro Yanai, Yukito Saitoh, Michio Nagai, Yoji Ito
15.4 - 11.45-in. WUXGA LTPS Pad Process with Only One IC Chip and Eight Photomasks (3:00 PM - 3:20 PM)
  • Wu Jing, Xuexin Lan, Chunrong Lin, Bingping Liu, Chao Deng, Xiaoxiao Wu, Xianyan Yang
    XiaMen Tianma Microelectronics Co., Ltd. Xiamen China


  • In order to be competitive with a-Si and IGZO, an LTPS tablet product solution with comprehensive advantages in performance and cost is developed. The authors' proposal requires only eight photomasks and one IC chip. It is also capable of meeting requirements for low frequencies, active pens, and narrow borders.
05/14/2024 3:00 PM 05/14/2024 3:20 PM America/Los_Angeles 11.45-in. WUXGA LTPS Pad Process with Only One IC Chip and Eight Photomasks In order to be competitive with a-Si and IGZO, an LTPS tablet product solution with comprehensive advantages in performance and cost is developed. The authors' proposal requires only eight photomasks and one IC chip. It is also capable of meeting requirements for low frequencies, active pens, and narrow borders. San Jose McEnery Convention Center LL20BC Wu Jing, Xuexin Lan, Chunrong Lin, Bingping Liu, Chao Deng, Xiaoxiao Wu, Xianyan Yang