Company patents

LG ELECTRONICS INC.

LG Electronics Inc. demonstrates a shifting patent strategy, with a notable decline in its historically dominant Wireless Networks (28.1% of portfolio) and Pictorial / Video Communications (16.1% of portfolio) categories, which saw YoY declines of -15.6% and -8.1% respectively in 2025, and significant drops so far in 2026. Surprisingly, despite its consumer electronics focus, categories like Laundry / Dry Cleaning and HVAC & Air Conditioning showed strong growth in 2024 with +55.0% and +47.8% YoY increases, indicating an emerging focus on smart home appliances before their recent declines in 2025 and partial data for 2026.

Patent Trend by Technology Area

Yearly patent publications since 2023

Product themes

Product-level themes inferred from filings since 2023, with category chips showing where each theme appears. Select a theme to filter the patents below.

16,842 US filings (since 2023) · 12 categories · 53 themes

Flexible Frame Structures & Resource Grouping

Design and configuration of adaptable frame structures, resource block groupings, and subcarrier spacings to optimize data transmission across diverse wireless environments and services, including considerations for fronthaul interfaces.

Physical Transmission & Modulation
Who else files here? →
3,229since 2023
-16.9%YoY
Advanced RF & Beam Management

Techniques and hardware architectures for optimizing the radio frequency (RF) front-end, antenna systems, and beamforming strategies in wireless networks to improve signal quality, capacity, and interference mitigation.

Wireless Networks
Who else files here? →
2,794since 2023
-12.5%YoY
Video Quality & Encoding Optimization

Methods and apparatus for improving the visual fidelity, resolution, or compression efficiency of video signals, often through advanced processing, up-scaling, or neural network-based filters.

Pictorial / Video Communications
Who else files here? →
2,313since 2023
-9.9%YoY
Video Enhancement & Object Tracking

Methods and systems for improving the quality of video streams, generating intermediate frames, or continuously locating and following objects within a sequence of images, even under occlusion.

Image Processing
Who else files here? →
1,615since 2023
-7.9%YoY
Full-Duplex Communication & Self-Interference Mitigation

Techniques enabling simultaneous transmission and reception of signals on the same or adjacent frequency bands, including methods for managing and mitigating self-interference and configuring network resources for such operation.

Physical Transmission & Modulation
Who else files here? →
1,141since 2023
-11.7%YoY
Refrigerator Door Design

Innovations in the mechanical design, aesthetic features, and integrated functionalities of refrigerator doors, including hinges, handles, internal wiring, and lighting.

Refrigerators & Cold Storage
Who else files here? →
1,128since 2023
-11.6%YoY
Specialized Garment Treatment Devices

Appliances or modules designed for specific garment care tasks beyond conventional washing and drying, such as steaming, ironing, or autonomous dry-cleaning processes.

Laundry / Dry Cleaning
Who else files here? →
951since 2023
+13.6%YoY
Smart Refrigerator Features

Integration of sensors, cameras, and processing units to monitor internal conditions, manage food inventory, or automate food preparation and preservation tasks within a refrigerator.

Refrigerators & Cold Storage
Who else files here? →
925since 2023
-10.9%YoY
Microparticle & Lint Management

Systems and methods for filtering microplastics, lint, and other foreign particulates from water or air streams within laundry appliances, often including self-cleaning or blockage detection mechanisms.

Laundry / Dry Cleaning
Who else files here? →
884since 2023
-1.0%YoY
Reference Signal Design & Optimization

Methods for designing, transmitting, and utilizing specific reference signals (e.g., DMRS, SRS, PT-RS) to enable accurate channel estimation, interference measurement, synchronization, or sensing in wireless communication systems.

Physical Transmission & Modulation
Who else files here? →
788since 2023
-18.9%YoY
Connected Vehicle Communication (V2X)

Systems enabling wireless communication between vehicles (V2V), vehicles and infrastructure (V2I), or vehicles and other entities (V2X) to share information for traffic management, safety, and navigation.

Wireless Networks
Who else files here? →
771since 2023
-32.5%YoY
Modular Interior Storage

Design of refrigerator interiors with reconfigurable, detachable, or specialized compartments, bins, and accessories to optimize storage, organization, and accessibility of items.

Refrigerators & Cold Storage
Who else files here? →
669since 2023
-9.0%YoY
Appliance Health & Anomaly Detection

Technologies for monitoring the operational status of laundry appliances, identifying abnormal conditions (e.g., pump blockages, motor issues, external noise), and initiating responsive actions or alerts.

Laundry / Dry Cleaning
Who else files here? →
495since 2023
+5.3%YoY
Automated Additive Dispensing

Mechanisms for storing, dispensing, and monitoring the delivery of liquid or solid laundry additives (detergents, softeners) into the wash fluid, including diagnostics for ensuring correct operation.

Laundry / Dry Cleaning
Who else files here? →
392since 2023
+1.6%YoY
Water & Ice Dispensing Systems

Integrated systems within refrigerators for dispensing chilled water, ice, or preparing beverages, often including filtration, storage components, and user interface controls.

Refrigerators & Cold Storage
Who else files here? →
391since 2023
-20.6%YoY
Advanced Debris Collection & Filtration

Innovations in vacuum cleaner components and systems for efficiently separating, compacting, and containing collected dust, dirt, or lint. This often involves multi-stage filtration, cyclonic separation, or specialized disposal mechanisms to improve air quality and ease of maintenance.

Domestic Cleaning Devices
Who else files here? →
376since 2023
-30.8%YoY
Micro-LED Array Fabrication

Methods and structures for mass-producing and assembling arrays of micro-LEDs onto a substrate, including transfer processes, bonding techniques, and defect management.

LED & Optoelectronics (Legacy CPC)
Who else files here? →
338since 2023
+12.2%YoY
Automated Docking & Self-Maintenance

Systems and mechanisms that allow autonomous cleaning robots or devices to return to a base station for automated tasks such as mop washing, dustbin emptying, fluid replenishment, or cleaning of tool heads without human intervention.

Domestic Cleaning Devices
Who else files here? →
307since 2023
-11.9%YoY
Flexible/Foldable Device Structures

Engineering solutions for creating electronic devices with bendable, foldable, or stretchable form factors, often involving hinges, flexible displays, and sliding mechanisms to enable dynamic physical configurations.

Hardware Platform (Cooling, Power, Packaging)
Who else files here? →
301since 2023
+3.6%YoY
Airflow & Temperature Zone Control

Systems for precisely directing and controlling chilled air within a refrigerator, often creating distinct temperature zones or optimizing cooling efficiency for different compartments.

Refrigerators & Cold Storage
Who else files here? →
278since 2023
+1.2%YoY
Modular & Specialized Cleaning Tools

Design and material innovations for specific cleaning components or attachments, such as brush rolls, mop pads, scrapers, or multi-functional surface tools. These are often tailored for particular surfaces, debris types, or cleaning tasks to enhance effectiveness.

Domestic Cleaning Devices
Who else files here? →
262since 2023
-36.7%YoY
Robotic Navigation & Mapping

Technologies enabling autonomous cleaning robots to perceive their environment, create maps, localize themselves within those maps, and plan efficient cleaning paths in dynamic spaces. This includes sensor integration, simultaneous localization and mapping (SLAM) algorithms, and adaptive mapping techniques.

Domestic Cleaning Devices
Who else files here? →
246since 2023
-40.9%YoY
Power Delivery & Battery Management

Techniques for efficiently supplying power to electronic devices, managing battery charge/discharge cycles, optimizing power consumption, and converting power between different voltage levels or AC/DC for improved energy efficiency and longevity.

Hardware Platform (Cooling, Power, Packaging)
Who else files here? →
237since 2023
+6.9%YoY
Advanced Insulation Materials

Use of specialized materials and structures, such as vacuum insulation panels or phase change materials, to improve thermal efficiency and maintain stable temperatures within refrigeration appliances.

Refrigerators & Cold Storage
Who else files here? →
235since 2023
+18.8%YoY
Smart Load Sensing & Cycle Control

Utilizes sensors and intelligent algorithms to detect laundry load characteristics, operational conditions (e.g., imbalance, resonance, dryness), and dynamically adjust washing or drying cycles for optimal performance and efficiency.

Laundry / Dry Cleaning
Who else files here? →
229since 2023
-26.2%YoY
Channel State Information & Beamforming

Methods for acquiring and utilizing accurate channel state information (CSI), including channel estimation and reciprocity transforms, to enable advanced spatial processing techniques like beamforming for improved signal quality and spectral efficiency.

Physical Transmission & Modulation
Who else files here? →
219since 2023
-34.2%YoY
Advanced Heat Exchanger Architecturesfiltered

Novel designs and configurations for heat exchangers that improve heat transfer efficiency, compactness, or enable specific phase change or separation processes within refrigeration and heat pump cycles.

HVAC & Air Conditioning
Who else files here? →
195since 2023
-10.8%YoY
Air Quality & Dehumidification

Technologies focused on improving indoor air quality by removing pollutants, microorganisms, or excess humidity, often employing specialized materials, filtration, or air circulation strategies.

HVAC & Air Conditioning
Who else files here? →
188since 2023
-21.4%YoY
Integrated Fluid & Chemical Dispensing

Systems for storing, heating, pumping, and precisely dispensing water or cleaning solutions within domestic appliances or cleaning tools. This includes cartridge-based systems, dissolvable cleaning agents, and controlled fluid delivery for optimal cleaning performance.

Domestic Cleaning Devices
Who else files here? →
185since 2023
+12.2%YoY
Wearable & Mobile Interaction

Designing user interfaces and interaction methods specifically for mobile or wearable devices, enabling control of external systems, monitoring user states, or facilitating real-world transactions.

Input/Output & User Interfaces
Who else files here? →
169since 2023
+1.9%YoY
Appliance Installation & User Ergonomics

Design features and accessories that improve the installation, storage, usability, and overall user experience of household cleaning appliances and manual tools. This includes mounting brackets, ergonomic handles, and integrated storage solutions.

Domestic Cleaning Devices
Who else files here? →
164since 2023
+8.2%YoY
Interactive & Generative Display Systems

Technologies that create dynamic and interactive visual content for displays, including virtual/wearable systems, by generating overlays, replacing input streams, or merging real-time user actions with digital environments.

Pictorial / Video Communications
Who else files here? →
153since 2023
-15.1%YoY
Advanced Modulation & Coding Schemes

Techniques for encoding digital data onto analog carrier signals using complex constellation diagrams, multi-level signaling, or layered approaches, often combined with error correction codes, to achieve higher data rates, improved spectral efficiency, or extended range.

Physical Transmission & Modulation
Who else files here? →
136since 2023
-13.6%YoY
Joint Communication and Sensing (JCS)

Integration of communication and sensing functionalities within a single wireless system, often by designing waveforms or utilizing reference signals that serve both data transmission and environmental sensing (e.g., ranging, velocity detection) purposes.

Physical Transmission & Modulation
Who else files here? →
119since 2023
-53.7%YoY
Smart HVAC Control Systems

Systems and methods for intelligent control of HVAC equipment, often incorporating sensors, communication networks, and adaptive algorithms to optimize comfort, energy efficiency, and operational parameters.

HVAC & Air Conditioning
Who else files here? →
115since 2023
+66.7%YoY
AR/VR User Interfaces

Techniques for rendering, interacting with, and managing content within augmented or virtual reality environments, including spatial tracking, gaze interaction, and dynamic multi-application display management.

Input/Output & User Interfaces
Who else files here? →
105since 2023
-17.6%YoY
HVAC Component Design & Diagnostics

Engineering and diagnostic aspects of individual heating, ventilation, and air conditioning components, such as PTC heaters, air ducts, flow control valves, and compressor monitoring.

HVAC & Air Conditioning
Who else files here? →
100since 2023
+31.2%YoY
Emergency & Safety Communication Systems

Technologies for transmitting critical alerts and information during emergencies, often involving wireless networks, specialized devices, and protocols to ensure timely and targeted communication to users or emergency services.

Wireless Networks
Who else files here? →
98since 2023
-45.5%YoY
AI & Data Analytics for HVAC

Application of artificial intelligence, machine learning, and data analysis techniques for tasks such as fault detection, predictive maintenance, learning-based control, and intelligent environmental monitoring in HVAC systems.

HVAC & Air Conditioning
Who else files here? →
81since 2023
+31.2%YoY
Autonomous Path Planning

Algorithms and systems for generating, optimizing, and executing trajectories for autonomous vehicles or robots to move through an environment, often involving obstacle avoidance, route validation, and goal reaching.

Image Processing
Who else files here? →
59since 2023
-42.1%YoY
Location-Aware Mobile Services

Mobile applications and systems leveraging wireless communication and location data (e.g., GPS, RFID, geo-fencing) to provide context-specific services, transactions, or user interactions.

Wireless Networks
Who else files here? →
57since 2023
+60.0%YoY
LED Epitaxial Layer Engineering

Development and optimization of the semiconductor material layers and their interfaces within an LED to control light emission properties, manage internal stress, and improve device efficiency.

LED & Optoelectronics (Legacy CPC)
Who else files here? →
45since 2023
-25.0%YoY
Device Enclosure & Material Engineering

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.

Hardware Platform (Cooling, Power, Packaging)
Who else files here? →
41since 2023
-6.7%YoY
AI for Medical Diagnostics

Utilizing machine learning, particularly deep learning, to analyze medical data such as images, sensor readings, or physiological signals for disease prediction, diagnosis, or treatment assessment.

Image Processing
Who else files here? →
38since 2023
-9.1%YoY
Physical Layer Impairment Detection & Mitigation

Techniques and circuits designed to detect, estimate, and mitigate various physical layer signal impairments such as frequency spurs, phase noise, or non-linear distortions, thereby improving overall signal quality and system performance.

Physical Transmission & Modulation
Who else files here? →
19since 2023
+40.0%YoY
Airspace & Drone Traffic Management

Systems and methods for monitoring, controlling, and optimizing the movement of unmanned aerial vehicles (UAVs) and other aircraft, including real-time connectivity, flight planning, and route modification.

Wireless Networks
Who else files here? →
19since 2023
-80.0%YoY
Generative AI for Images

Techniques utilizing deep learning models like Generative Adversarial Networks (GANs) or diffusion models to create new images, modify existing ones, or generate synthetic data based on various inputs or conditions.

Image Processing
Who else files here? →
12since 2023
+66.7%YoY
Multi-Sensor Imaging & Synthesis

Systems that combine data from multiple camera sensors or capture multiple images from different perspectives or qualities, often involving image processing techniques like synthesis to create enhanced or comprehensive views.

Pictorial / Video Communications
Who else files here? →
9since 2023
-50.0%YoY
Automated Visual Inspection

Systems that employ imaging and image processing to automatically detect defects, verify states, or ensure quality control in manufactured goods, printed materials, or industrial processes.

Pictorial / Video Communications
Who else files here? →
8since 2023
-75.0%YoY
3D Reconstruction & Modeling

Processes for creating or manipulating three-dimensional digital representations of objects or environments, including mesh generation, surface fitting, and depth estimation from multiple views.

Image Processing
Who else files here? →
5since 2023
0.0%YoY
Portable Cold Storage

Self-contained or portable units designed for maintaining specific temperatures for food, beverages, or sensitive items during transport, often incorporating active cooling or smart monitoring features.

Refrigerators & Cold Storage
Who else files here? →
4since 2023
new
Collaborative User Experiences

User interface designs and systems that enable multiple users to interact with shared content, provide feedback, or coordinate activities, often across different devices or locations.

Input/Output & User Interfaces
Who else files here? →
3since 2023
0.0%YoY
Real-time Graphics Rendering

Techniques and hardware architectures designed to efficiently generate and display complex 3D graphics, particularly for interactive applications like virtual reality, focusing on speed and visual quality.

Image Processing
Who else files here? →
2since 2023
new

Patents

Page 1 of 36