LS ELECTRIC CO., LTD.

Devices and systems designed to protect electrical circuits from overcurrents, short circuits, and other faults, often involving rapid response, high voltage/current handling, and sophisticated interruption mechanisms.

Methods and structures employed within switches and circuit breakers to safely and efficiently quench electrical arcs generated during contact separation, preventing damage and ensuring reliable interruption.

Circuit breaker designs that combine mechanical switches with power semiconductors or solely use solid-state components to achieve faster fault interruption, current limiting, and arc suppression in AC or DC power systems.

Design and assembly of power conversion, distribution, and protection modules, focusing on compact form factors, efficient electrical connections, and robust protective measures for electronic systems, often in high-power applications.

Focuses on novel circuit configurations for DC-DC, DC-AC, or AC-DC conversion, often involving resonant operation, multi-level structures, or switched capacitors to improve efficiency, power density, or voltage conversion ratios.

Design and control of power supply architectures that combine multiple power sources (e.g., AC grid, DC battery, generators) or modular battery units, often featuring switching, conversion, and redundancy for enhanced reliability and flexibility.

Intelligent control systems that manage the connection and disconnection of power, including pre-charging capacitive loads, reclosing after faults, or isolating parts of a grid based on detected conditions, often involving smart switches and relays with adaptive logic.

Mechanical, electromagnetic, or hydraulic systems used to physically operate the contacts of a switch or circuit breaker, focusing on the linkages, motors, coils, or fluid dynamics involved.

Techniques and circuits for accurately identifying various electrical faults, such as ground faults, overcurrent, short circuits, switch malfunctions, or electrostatic discharge (ESD) events, often utilizing sensors, signal processing, and diagnostic algorithms.

Integration of power converters with energy storage devices (batteries, supercapacitors) or grid interfaces, often involving AC/DC conversion, power flow management, and fault handling for hybrid power systems or specific applications like EVs or PV.

Methods and systems for identifying anomalies, failures, or impending issues within electric motors or their associated drive and power management circuits, often by monitoring electrical or operational parameters.

Methods and devices for integrating temperature sensors directly into materials, structures, or challenging environments (e.g., hydrogen tanks, concrete, ocean) to measure internal or localized temperatures.

Methods and structures for integrating and enclosing electronic components into compact, multi-functional modules, often involving embedded components, multi-layer substrates, and electromagnetic shielding for performance and miniaturization.

Digital logic and control circuits for managing power delivery, driving various loads (e.g., inductive, display elements), converting power, and protecting against over-voltage or electrostatic discharge. Includes gate drivers for power FETs and voltage level shifters.

Techniques and circuits designed to regulate output, manage input variations, mitigate resonance, or ensure stable operation of power converters under diverse load and source conditions. This includes adaptive, predictive, or fault-tolerant control schemes.

Techniques for measuring, monitoring, and compensating for temperature variations within semiconductor devices, integrated circuits, or photonic components to maintain performance, prevent degradation, and ensure reliability across operating conditions.

Systems designed to manage the temperature of multiple components in electric or hybrid vehicles, such as batteries, electric motors, power electronics, and the passenger cabin, often using shared or interconnected cooling/heating circuits.

Methods and materials used to construct robust and protective enclosures for electronic devices, focusing on structural integrity, impact resistance, thermal dissipation, and specialized material properties for enhanced durability.

Techniques and apparatus for electrically testing semiconductor devices, integrated circuits, or wafers during manufacturing or post-assembly, including built-in self-test (BIST) and contact reliability assessment.

Software, algorithms, and associated hardware for monitoring, controlling, and optimizing battery performance, safety, and lifespan, including charge/discharge cycles, thermal regulation, and system integration.

Techniques for designing and manufacturing compact, multi-functional magnetic components, such as inductors, transformers, and coils, often involving embedded structures, multilayer designs, or shared magnetic circuits to achieve higher power density or smaller form factors.

Systems and methods designed to improve the accuracy, reliability, or operational range of sensors and electronic components by measuring temperature and applying corrections or adjustments.

Switches designed for specific applications within larger systems (e.g., automotive, IoT, industrial control), often incorporating sensors, control logic, wireless communication, or specialized mechanical interfaces.

Integration of electric motors into larger systems (e.g., vehicles, power tools) and safety features for high-voltage components, including control interfaces, mechanical integration, and environmental protection (e.g., waterproofing).

Technologies for efficiently delivering power to electric vehicles, encompassing fast charging, wireless charging, and smart grid integration, alongside vehicle-side control and management of the charging process.

Systems that integrate temperature sensors with wireless communication modules and network platforms (e.g., cloud) for remote data collection, analysis, and indication, often for distributed or mobile assets.

Focuses on the structural integrity, housing, mounting, and physical integration of battery cells into robust and protected packs within electric vehicles, including manufacturing considerations.

Manufacturing processes and material compositions for creating electronic circuits on flexible or conformable substrates, enabling novel form factors, enhanced durability, and new applications beyond rigid PCBs.

Specialized circuits and devices designed to protect electrical and electronic systems from transient overvoltages caused by electrostatic discharge (ESD) or power surges, often involving suppressor diodes, gas discharge tubes (GDTs), or voltage clamping mechanisms.

Systems and devices that utilize controlled magnetic fields, often generated by electromagnets, to produce mechanical motion, precise positioning, or manipulate physical phenomena like plasma distribution.

Development of novel motor architectures beyond traditional radial flux designs, including linear, axial, or multi-armature configurations, often to optimize for specific performance characteristics like torque density or form factor.