Samsung SDI had ten patents in connectivity during Q1 2024. Samsung SDI Co Ltd filed a patent for a photosensitive resin composition and a curable composition containing a quantum dot surface-modified with specific compounds. The patent also includes a method for manufacturing the surface-modified quantum dot and mentions the use of these compositions in manufacturing color filters. GlobalData’s report on Samsung SDI gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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Samsung SDI grant share with connectivity as a theme is 90% in Q1 2024. Grant share is based on the ratio of number of grants to total number of patents.
Recent Patents
Application: Composition including quantum dot, manufacturing method quantum dot and color filter (Patent ID: US20240027906A1)
The patent filed by Samsung SDI Co Ltd. describes a photosensitive resin composition and a curable composition that include a binder resin, a photopolymerizable monomer, a photopolymerization initiator, a quantum dot surface-modified with specific compounds, and a solvent. The compositions are designed for use in manufacturing color filters. The quantum dots have a core-shell structure with Zn in the shell, and the compounds used for surface modification have specific functional groups at different terminal ends. The method of manufacturing the surface-modified quantum dot involves dispersing quantum dots in a nonpolar solvent, adding a compound with specific functional groups and a metal salt, stirring, centrifuging, and drying the solution to obtain the modified quantum dots.
The claims of the patent detail the specific components and structures of the photosensitive composition, including the types of compounds used for surface modification, the quantum dot characteristics, the solvent composition, and the binder resin. The method of manufacturing the surface-modified quantum dot involves specific steps such as dispersing quantum dots, adding compounds and a metal salt, stirring at a specific temperature range, and centrifuging. The patent also mentions the use of diffusion agents, specific additives, and their respective amounts in the composition. Additionally, the patent claims the manufacturing method and the resulting color filter made using the photosensitive composition.
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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.
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.
