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Patent of the Month

In December 2022’s edition of the IHMA patent newsletter more than 85 patents are listed, among them a method from Chungnam National University Industry Academic Foundation. This includes a security element comprising a liquid crystal reference of nematic phase and a liquid crystal in which the orientation is patterned. The orientation pattern of the liquid crystal is exposed to the outside by the phase transition of the liquid crystal with a change in temperature.

Also of interest to HN readers will be the publication of patent application CN202211090428 that Chinese tech giant Huawei has filed for a new 3D stereographic projection system.

The Huawei patent includes a backlight assembly, a spatial light modulator, and a diffuser screen that work together to project two images simultaneously, seen from the left and right eye, at 60 times per second.