Idemitsu Kosan had two patents in connectivity during Q1 2024. Idemitsu Kosan Co Ltd has filed patents for color conversion particles with cores and shells made of chalcogenide perovskite, designed to absorb excitation light and emit light with a Stokes shift. GlobalData’s report on Idemitsu Kosan gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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Idemitsu Kosan had no grants in connectivity as a theme in Q1 2024.
Recent Patents
Application: Color conversion particle (Patent ID: US20240034926A1)
The patent filed by Idemitsu Kosan Co Ltd. describes a color conversion particle with a core and a shell that absorbs excitation light and emits light at the core or interface upon receiving irradiated excitation light. The shell is made of a chalcogenide perovskite, and the core and shell have band alignment inducing a Stokes shift. The chalcogenide perovskite can have various crystal structures and chemical formulas, with the band alignment satisfying specific conditions to achieve the desired light emission properties.
Furthermore, the color conversion particle can have a shell with multiple layers or cores, and the core can contain a light-absorbing material. The thickness of the shell, as well as the band gap, are critical parameters for the particle's performance. The patent also covers variations in the composition of the core and shell, including the inclusion of foreign substances or voids. Applications of the color conversion particle include powders, solutions, thin films, sheets, and devices, highlighting the versatility and potential uses of this technology in various industries.
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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.
