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Data from market research firm IDC shows that global smart glasses shipments grew by more than 200% year-on-year in Q1 2024, and it is expected that by 2029, the annual sales of smart glasses worldwide are expected to reach 55 million pairs, and the market size will reach $106.778 billion. This shows the strong growth momentum of the AI glasses market.

In the industrial chain, Bosch, ST, TI, Infineon and other international manufacturers have deep technical accumulation in the field of sensors. For example, as mentioned above, ST LSM6DSR MEMS sensor module has been applied in Rokid Max AR smart glasses. According to the information, ST's LSM6DSR is suitable for activity recognition and is a kit system with a 3D digital accelerometer and 3D digital gyroscope, with a full-scale acceleration range of ±2/±4/±8/±16 g, and an angular rate range of ±125/±250/±500/±1000/±2000/±4000 dps, and a high degree of stability over temperature and time.

Bosch Sensortec offers sensor solutions including IMUs, accelerometers, barometers, such as the IMU module BMI270, accelerometer BMA400, and barometer BMP388, which are able to be applied to functions such as step counting and calorie tracking. With the iteration of technology, Bosch Sensortec has also introduced intelligent sensing solutions such as the BHI360 and BHI380.

According to the introduction, the BHI360 is an IMU-based programmable smart sensor system that combines gyroscopes and accelerometers for simple gesture recognition and activity recognition.The BHI360 is equipped with human-computer interaction and integrates a variety of AI algorithms to enable data processing and computing.

It can be predicted that in the future, smart glasses will need to deal with more and more tasks, which not only includes daily information display and interaction functions, but also covers more complex tasks such as health monitoring, environment perception, augmented reality (AR) assistance, etc. The iteration of smart sensors will be a good response to these challenges.

Among domestic enterprises, Geer, Weir, Minxin, Hailinko and other companies have products for the field of smart glasses.

Geer provides microphones and other components for smart glasses. Weir has laid out many related products on AR glasses. In terms of image sensor products, Weir's products are in the leading position in terms of power consumption, HDR, low noise and other performances, and can provide customers with advanced image sensor solutions. In the results of the first half of 2024, the image sensor business revenue from IoT/emerging markets achieved approximately 336 million yuan, an increase of approximately 77.62% over the same period of the previous year. Weir said that emerging markets such as AR/VR have the potential for high growth under the global trend of intelligence and the convergence of AI virtual reality.

HLK's new HLK-AS2001 10-axis attitude sensor module can also be used in virtual reality, head-mounted displays and other wearable devices. Officially, HLK-AS2001 integrates accelerometers, gyroscopes and magnetometers, and adopts a high-performance microprocessor and advanced filtering algorithms, which can quickly solve the module's current real-time attitude. The module also supports BLE5.0 Bluetooth, with a maximum transmission distance of 50m; it has a high-performance 32-bit floating-point DSP processor running at a main frequency of up to 240MHz.

Minxin has also launched MEMS microphones with high signal-to-noise ratio, high AOP performance, and suitable for artificial intelligence. With the advancement of technology, more kinds of sensors and more advanced sensors will appear in the future, and the application of AI sensors on smart glasses will be more and more.