SK has been granted a patent for a polyimide precursor that can produce a film with exceptional heat resistance, transparency, and low thermal expansion. This innovation is particularly useful for flexible displays that require high dimensional stability. 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 March 2024 was 49%. Grant share is based on the ratio of number of grants to total number of patents.
A recently granted patent (Publication Number: US11970578B2) discloses a polyimide precursor that includes structural units derived from specific acid dianhydrides and diamine compounds. The precursor, as outlined in the claims, features various configurations represented by distinct formulas, with specific parameters for R1, R2, n, and m. Additionally, the patent covers the formulation of a polyimide precursor solution using the disclosed precursor and a solvent, with specific examples of suitable solvents provided, such as various amides.
Furthermore, the patent extends to the creation of a polyimide film utilizing the precursor, with defined repeating units and specific characteristics such as coefficient of thermal expansion, YI value, and Young's modulus. The polyimide film, as described in the claims, finds application in a range of industries, including as a substrate for electronic elements, displays, optical films, IC packages, adhesive films, and more. Additionally, the patent covers the use of the polyimide film in photoelectric elements, showcasing the versatility and potential applications of the innovative polyimide precursor and film developed.
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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.
