Japan Display. has been granted a patent for a liquid crystal device comprising four overlapping liquid crystal cells. Each cell features distinct electrode shapes, with specific arrangements of transparent substrates and alignment films, allowing for varied voltage applications to enhance functionality. GlobalData’s report on Japan Display gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Japan Display, Under-screen fingerprint recognition was a key innovation area identified from patents. Japan Display's grant share as of June 2024 was 62%. Grant share is based on the ratio of number of grants to total number of patents.
Liquid crystal device with differently shaped electrodes
The patent US12044939B2 describes a liquid crystal device composed of four overlapping liquid crystal cells, each featuring a structured arrangement of transparent substrates, alignment films, and electrodes. Each cell includes a pair of strip electrodes that are spaced apart and connected to different voltage sources. The electrodes in the first and third cells share a common design, referred to as the first shape, while the second and fourth cells utilize a different design, known as the second shape. The patent outlines various configurations for these shapes, including linear, zigzag, and wavy forms, which are critical for the device's functionality.
Additionally, the patent specifies the orientation and alignment of the electrodes and films within each cell. For instance, the alignment treatment directions of the films are defined in relation to the transparent substrates, ensuring optimal performance. The third and fourth cells are derived from the first and second cells through specific rotations, enhancing the device's versatility. The claims emphasize the unique electrode shapes and their arrangements, which contribute to the overall operation of the liquid crystal device, potentially leading to advancements in display technologies.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
