Smart door locks have experienced rapid growth since 2016, driven by their ability to enhance user convenience and improve operational efficiency. According to the "2017-2020 China Smart Door Lock Technology and Application Market Analysis Report" released by Siruida Consulting, the market size of smart door locks—those equipped with biometric identification or networking capabilities—reached nearly 8 million units in 2017. It is projected to exceed 60 million by 2020, with annual growth rates surpassing 100%.
Currently, fingerprint recognition technology has become a standard feature in home applications. According to market research conducted by the Smart Product Circle, in the apartment rental market, especially for short-term rentals, the public security department has actively promoted the use of fingerprint locks. These devices are used to manage mobile populations by leveraging the accuracy of fingerprint identification for personal verification, helping to combat crimes such as fugitives, drug abuse, and gambling.
For instance, a well-known short-term rental platform was recently fined 40 million yuan by the public security department due to related incidents. As a result, apartment operators are highly motivated to install fingerprint locks on rented properties to avoid legal responsibilities stemming from the inability to verify tenant identities.
This development represents another significant market advantage for fingerprint recognition technology.
**Smartphone vs. Smart Door Lock: Two Paths of a Technology**
Fingerprint recognition, as a convenient and mature identification method, has gained widespread acceptance among consumers, largely due to its popularity in smartphones. However, companies in the fingerprint module industry have reached a consensus that the mobile phone market is nearly saturated, prompting them to seek new market opportunities.
It should be noted that although fingerprint recognition is a unified technology, its implementation varies significantly across different application areas.
Yajie, R&D Director of smart door locks, explained to the Smart Product Circle reporter: “Considering that smartphones are typically used by individuals, the fingerprint identification schemes in phones often reduce image matching parameters to prioritize speed and recognition rate. While this works for private devices like smartphones, it cannot be directly applied to open security products such as smart door locks.â€
Li Yangyuan, founder of the "texture phase" fingerprint recognition algorithm and inventor of the capacitive fingerprint sensor "CQT" circuit technology, as well as Chairman and CTO of Suzhou Mindray Microelectronics Co., Ltd., added: “In the security industry, the boundaries between military and civilian applications are quite blurred. Many community security and public safety systems impose equally strict security controls. Simply put, what is security? We take it very seriously; if we fail, we will face major losses.â€
It’s clear that the requirements for fingerprint recognition technology differ greatly depending on the application. This leads to variations in technical composition, design, and solution approaches.
**Smart Door Locks Require Strict Security Measures**
Given the high-stakes nature of smart door lock applications, the focus of fingerprint recognition must be on security rather than consumer convenience. When selecting a fingerprint identification solution provider, companies should consider technologies that have been approved for high-security environments such as banking systems and public security systems.
The security of fingerprint identification is a comprehensive concept. Beyond the basic parameters of false rejection rate and false acceptance rate, there are additional requirements for applicability, robustness, and resistance to attacks.
Applicability refers to the system's ability to handle special fingerprints, such as those of elderly individuals or children, without significantly reducing the recognition rate. Robustness ensures that the recognition rate remains stable despite natural changes in human fingerprints, which occur monthly due to skin metabolism. Anti-attack capability means the system can resist various types of attacks at multiple levels, including fingers, sensors, processors, and network systems. While media often highlights "fake fingerprint" attacks, other forms of threats are less recognized in the industry.
On November 21st, Suzhou Mindray Microelectronics Co., Ltd. will host the “Safety Fingerprint Life†technical seminar in Shenzhen. The event will bring together experts from the Public Security Bureau, Tsinghua University’s Shenzhen Graduate School, Shenzhen Sanhuan Electronics, Shenzhen Gaoyu Chemical Materials, and Shanghai Lisheng Biological. Discussions will focus on three key dimensions: the impact of IoT security on the fingerprint identification industry, the latest global trends in fingerprint core technology, and challenges and breakthroughs in fingerprint security systems.
Li Yangyuan stated: “For security applications, the three parameters of safety, quality, and precision are crucial. We won’t rely on gimmicks or speculation in this event. Instead, we invite upstream and downstream partners from the industry to speak based on facts and discuss the topic of fingerprint identification security.â€
Agenda details are as follows:
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