Idemitsu Kosan has been granted a patent for a novel compound that enhances the performance of organic electroluminescent (EL) devices. The patent includes the compound’s specific formula and its application in improved organic EL devices and electronic devices incorporating these advancements. GlobalData’s report on Idemitsu Kosan 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 Idemitsu Kosan, Anti-wear lubricants was a key innovation area identified from patents. Idemitsu Kosan's grant share as of June 2024 was 41%. Grant share is based on the ratio of number of grants to total number of patents.
Organic electroluminescent device performance improvement compound
The granted patent US12048242B2 outlines a series of claims related to a novel compound, characterized by specific chemical structures and configurations. The primary claim describes a compound represented by a designated formula, with subsequent claims detailing variations of this compound, including specific arrangements of atoms such as oxygen and sulfur. Notably, claims specify conditions where certain groups of atoms (R1 to R18) are identical, and the compound may include heavy hydrogen atoms. The patent also explores the structural flexibility of the compound, allowing for different bonding configurations, including phenylene and naphthylene groups, which can be substituted or unsubstituted.
In addition to the compound itself, the patent claims extend to its application in organic electroluminescent devices. These devices are defined as comprising an anode, cathode, and an organic layer that includes the claimed compound, which can serve as a light-emitting layer or a hole transporting region. The claims further specify configurations for the hole transporting layers, indicating that the compound can be present in one or both layers. The light-emitting layer may incorporate fluorescent or phosphorescent dopant materials, enhancing the functionality of the electroluminescent device. Overall, the patent presents a comprehensive framework for both the compound and its potential applications in electronic devices, particularly in the field of organic electronics.
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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.
