LG Innotek Develops 'Fiber-Type Flexible Pressure Sensor' That Can Be Rolled Up Like Clothing
Published2016.06.29 13:08Used in various fields such as healthcare, sports, and automobiles
LG Innotek (CEO Park Jong-seok) has successfully developed a wide and flexible "fiber-type flexible pressure sensor." It is an innovative product that can be rolled up like clothing fabric and detects pressure across the entire sensor surface.
A pressure sensor is a component that detects the intensity of externally applied force. Installed in medical devices, automobiles, and other applications, it measures and analyzes pressure to provide customized services tailored to the user's health condition or driving environment.
Existing commercially available pressure sensors are small and rigid, shaped like coins. Because they use a point-based method to detect pressure in specific areas, it is difficult to measure pressure evenly over a wide area, and they may cause a foreign body sensation upon contact with the body.
The 'fiber-type flexible pressure sensor' developed by LG Innotek uses a special elastic material, offering excellent comfort. It also accurately measures pressure in all areas where force is applied. The company has filed 13 related patents and secured quality suitable for commercialization within the year.
Applicable to various fields such as healthcare, sports, and automobiles
The development of this company's 'fiber-type flexible pressure sensor' has made it possible to implement new functions by utilizing pressure information in various fields such as healthcare, sports, and automobiles.
In healthcare, the accuracy of remote medical consultations can be improved. This is because wearing an assistive device equipped with pressure sensors or stepping onto a carpet allows for the assessment of physical balance and behavioral patterns, thereby enabling the monitoring of health status.
Using pressure sensors in sports equipment can elevate the level of personalized training services. For example, this involves golf gloves detecting grip pressure and sensors inside shoes identifying shifts in the body's center of gravity to assist with posture correction.
It can be applied to automobiles to enhance passenger safety and comfort. This is because it can automatically adjust the pressure and height of the seat or airbag by analyzing the passenger's sitting posture, weight, and body type.
LG Innotek's 'fiber-type flexible pressure sensor' is made of a flexible material that allows it to be easily designed for various applications, such as gloves, car seats, and carpets. A single thin sensor sheet, only 1 millimeter (mm) thick, has a wide surface area of 1 square meter (㎡). Since it can detect pressure across the entire surface of the sensor, multiple sheets can be attached to expand it or cut into smaller sizes.
In addition, this product is highly durable and can be used in various environments. It operates normally for over 240 hours in extreme conditions ranging from -40°C to +80°C. It accurately measures even when a person weighing 70 kilograms (kg), which is the average weight of an adult male in Korea, sits on the sensor 100,000 times.
Kim Chang-hwan, Head of the R&D Center (Executive Vice President), said, “Innovation in sensors can impact various industries such as home appliances and automobiles and lead to changes in our lives,” adding, “We will accelerate the development of materials and components that can provide convenient, safe, and enjoyable experiences.”
According to market research firm BBC Research, the global pressure sensor market is expected to grow at an average annual rate of 7.2% from approximately $11.5 billion in 2014 to approximately $16.3 billion in 2019.
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