SK has been granted a patent for a phosphine precursor used in creating quantum dots, resulting in improved luminous efficiency and color purity. The method involves specific chemical compounds and steps outlined in the claim. GlobalData’s report on SK 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 SK, UAV battery thermal mgmt was a key innovation area identified from patents. SK's grant share as of May 2024 was 46%. Grant share is based on the ratio of number of grants to total number of patents.
Quantum dot preparation method using phosphine precursor
A recently granted patent (Publication Number: US11999762B2) discloses a method for preparing a phosphine precursor represented by Chemical Formula 1. The method involves preparing a mixture of a primary or secondary phosphine compound, an ether solvent such as tetrahydrofuran, and alkyl lithium, followed by the addition of a silyl halide compound to the mixture. The patent claims cover various aspects of the method, including the specific compounds used, the solvent and alkyl lithium employed, and the possible variations in the alkyl groups present in the phosphine precursor.
Furthermore, the patent claims specify the range of alkyl groups that can be independently selected for R1 to R9 in the Chemical Formula 1, including linear alkyl, branched alkyl, or aryl groups. The compounds of Chemical Formula 1 mentioned in the claims are also categorized into specific Structural Formulas, providing a comprehensive overview of the phosphine precursors that can be prepared using the disclosed method. Overall, the patent aims to protect the novel method for synthesizing phosphine precursors, offering potential applications in various industries where these compounds are utilized.
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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.
GlobalData’s Patent Analytics tracks patent filings and grants from official offices around the world. 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.
