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Current Issue : Q3,2017

Taiwan Photonics News :  
  UV Tapping Niche Market Needs
Global car sales up by 5% with VW claiming top notch
Lextar's IR LED series for smart sensor

UV Tapping Niche Market Needs


Under the harsh market conditions of the LED industry, small and medium-sized LED manufacturers in Japan are developing UV products with wavelengths ranging from UV-A to C for light sources for UV curing and printing circuit board direct imaging (DI) , which can be used in mature market applications such as medical treatment, air purification and water disinfection. Although the prices of the chips remain high and output power is low, many manufacturers are expanding their business to develop the niche market.

DOWA has successfully developed a deep-UV LED chip with a 75-mW output at 280 nm wavelength, which is produced at the plant of its subsidiary, DOWA Semiconductor Akita with a planned output of 1 million units per month. Through the integration of high-quality A1N model (template) and with the completion of crystal growth technology, the company has begun to provide samples such as SMD packages.

Nichia Semiconductors Co., Ltd. started selling deep UV LEDs at the wavelength of 275nm and 310nm in December 2016. The former can be directly sterilized, which is suitable for medical wavelengths. The UV-LEDs are combined with air purifiers, sterilizers and mosquito traps as the "pure LED" product series.


Global car sales up by 5% with VW claiming top notch


Global car sales in 2016 reached 91.41 million units with an annual growth of nearly 5%. The top 10 automakers accounted for 80% of the global market and the market shares of the top four auto makers in the world were quite close, as shown in Table 1. Volkswagen grabbed the No. 1 spot in car sales with 10.31 million units, overtaking Toyota's 10.21 million units. General Motors, which ranked third, sold 9.97 million units, while the Renault-Nissan Group, with its combined sales of 9.96 million, closely followed behind. In 2017, General Motors sold its Opel brand to PSA Group for 2.2 billion euros, which will result in the decrease of its sales volume by about 1.2 million units. It is estimated that the third and fourth places will be switched.

Most automobile manufacturers in the world have continued to innovate the advanced technologies which are in pursuit of safety, comfort and high efficiency since the incorporation of advanced automotive technologies. For example, electric vehicles, automatic driving, advanced driving assistance, driving safety, vehicle networking, digital human-computer interface and smart lights are mostly combined with photonic technology to show the inevitable trend that automotive technology relies heavily on various photonic technologies.


Lextar's IR LED series for smart sensor


Lextar Electronics Corp released the PR88 IR LED packaging module that is used for iris and facial biometric functions, making it one of a few IR LED modules in the industry with double biometric functions. In addition, it also simultaneously released two IR LED modules with different beam angles that can be widely applied on security systems, access control systems, mobile phones, notebook PCs and other. By releasing various IR LED products at the same time, Lextar Electronics is formally entering the market of smart senor applications.

In recent years, handheld devices were gradually equipped with identification recognition systems to achieve more convenient unlocking and mobile payment functions, while simultaneously taking care of the productˇ¦s lightness, slimness and user safety. This caused the rise of biometric sensor components. Lextarˇ¦s newly released iris and facial double biometric IR LED is capable of achieving double identification recognition functions with just one module, thus strengthening user security. In addition to its 1.4mm ultra-slim design, it further saves the design space for terminal applications. Moreover, Lextar also released two IR packages with different beam angles: the one with a smaller beam angle can be used for iris recognition, while the other one with a larger beam angle can be used for facial recognition. Its product series have all passed the IEC 62471 highest level of human eye security exemption tests, while its algorithm and software were verified by various well-known brands. These product series of Lextar have already been introduced on mobile phones and access control systems, and can be applied on the sensorial devices of sensing equipment, robots, notebook PCs and other applications in the future.

Also, given that wearable devices with health and sport functions have become trendy with the development of IoT and smart medical service, Lextar IR LED products have also entered the field of health and wearable medical applications. Lextar has already developed a reflective green light heartbeat sensor LED module and continues to develop the three-in-one module of heart rhythm, blood oxygen and blood pressure, which can be applied on bio-sensors.


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