LG Display had 49 patents in advanced materials during Q2 2024. LG Display Co Ltd filed patents for various vibration generating apparatus and switching element operation detection devices. The vibration generating apparatus includes multiple vibration devices connected to a support member and an enclosure member to cover them. The switching element operation detection device comprises sensing units, amplification units, hysteresis units, and a signal output unit to detect the operation of switching elements based on sensed currents. GlobalData’s report on LG Display gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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LG Display had no grants in advanced materials as a theme in Q2 2024.
Recent Patents
Application: Switching element operation detection device and photovoltaic power conversion device (Patent ID: US20240213918A1)
The patent filed by LG Display Co Ltd describes a switching element operation detection device that includes sensing units, amplification units, hysteresis units, and a signal output unit to detect the operation of switching elements in a circuit. The device amplifies current flowing through driving circuits for the switching elements and outputs a detection signal when both hysteresis units indicate high signals. The device can be used in photovoltaic power generation systems to control the inverter based on the switching element operation detection signal.
Furthermore, the patent includes claims detailing the configuration and operation of the switching element operation detection device, including the connection of switching elements in series, the use of relays, and the application of voltage dividers. The device can detect the operation of multiple switching elements simultaneously and output a detection signal when all hysteresis units indicate high signals. Additionally, the device includes specific components such as sensing resistors, differential amplifiers, and hysteresis units with defined voltage thresholds for signal output. The application of this technology is particularly relevant in photovoltaic power generation systems for efficient control and operation of the inverter based on the switching element operation detection signal.
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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.
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.
