Samsung SDI had 12 patents in connectivity during Q4 2023. Samsung SDI Co Ltd has developed high efficiency quantum dots for visible light emission in displays, utilizing I-III-VI materials with a unique structure including Group 11, Group 13, Group 16, and Group 17 elements. GlobalData’s report on Samsung SDI gives a 360-degreee 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 25% in Q4 2023. Grant share is based on the ratio of number of grants to total number of patents.
Recent Patents
Application: I-iii-vi based quantum dots and fabrication method thereof (Patent ID: US20230399566A1)
The patent by Samsung SDI Co Ltd proposes I-III-VI based quantum dots with efficient visible light emission for display materials. The quantum dots consist of a core made of Group 11-Group 13-Group 16 elements with a Group 17 element attached to the core's surface. The Group 11 element can be Cu, Ag, or Au, the Group 13 element can be In, Ga, or Al, and the Group 16 element can be S, Se, or Te, with specific ratios and compositions outlined in the claims.
The method for fabricating these quantum dots involves forming a core using a halide-based metal salt precursor and attaching a Group 17 element to the core's surface. The Group 17 element is supplied from the halide-based metal salt precursor, which includes Group 11 and Group 13 precursors. The process also includes forming a shell on the core and using specific solvents like 1-octadecene or oleic acid. Additionally, a ligand material is fed to protect the quantum dots' surface, enhancing their stability and performance for display applications.
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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.
