Samsung SDI had 15 patents in advanced materials 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 a color filter made using these compositions. 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 advanced materials as a theme is 80% 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 dot surface modification involves compounds with thiol and alkoxy groups, cycloalkyl groups, carboxyl groups, or hydroxy groups. The method of manufacturing the surface-modified quantum dot is also detailed in the patent.
The claims of the patent outline specific details regarding the photosensitive composition, including the types of compounds used for surface modification, the structure of the quantum dot, the wavelength range of the quantum dot's fluorescence, and the composition of the solvent. The method of manufacturing the surface-modified quantum dot involves dispersing quantum dots in a nonpolar solvent, adding specific compounds and a metal salt, stirring, centrifuging, and drying the solution. The patent also mentions the inclusion of additional agents like diffusion agents, malonic acid, and silane-based coupling agents in the composition. The color filter manufactured using the photosensitive composition is also claimed in the patent.
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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.
