Tohoku Univ. Technology: High-Resolution Liquid Crystal Spatial Light Modulators for Electronic Holography : T23-075
Realizing wide viewing-zone angles For electronic-holography 3D displays
・ Electronic holography for displaying three-dimensional (3D) information is required for entertainment, industrial design, measurement, and head-up display for automobiles. ・3D information is displayed by reconstructing an image through a spatial light modulator(SLM). SLM cannot narrow the pixel pitchbecause the electric field leaks out to adjacent pixels, resulting in a narrow viewing-zone angles. ・Therefore, the invention introduces a liquid crystal driving system in a lateral electric field by a continuous potential difference and fine ground electrodes into the SLM. ・As a result, the electric field leakage is reduced, the pixel pitch of less than 1 μm is achieved for the first time. ・Using the pixel pitch of 1μm, it is possible to achieve practical viewing-zone angels of 30°. invention is expected to enlarge electronic holography application field.
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The revenue generated from technology transfer is reinvested into universities and researchers as new research funding, which is used to create further research outcomes. To ensure the smooth operation of this cycle, known as the "Intellectual Creation Cycle," we will actively promote technology transfer. The types of seeds we handle include patents, know-how, databases, and programs. We have established a collaborative framework by concluding basic technology transfer agreements with the following universities (as of April 1, 2026): - Tohoku University - Hirosaki University - Iwate University - Akita University - Fukushima University - Yamagata University - Tohoku Gakuin University - Iwate Medical University - Fukushima Medical University - Aizu University - Miyagi University - Hokkaido University - Muroran Institute of Technology - Showa Medical University - Asahikawa Medical University
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