According to EPISTAR senior director Dr. Shao-You Deng, LED beams of different wavelengths used to measure physiological signals of the human body stand a chance of replacing the conventional invasive approaches to become the mainstream medical measurement technology.
When LED technology was first being adopted in smart healthcare solutions, EPISTAR had begun to work with customers looking to expand into the market segment, said Dr. Lin. After a period of testing, EPISTAR found the most suitable LED technology for use in end devices. For example, 620 - 1000 nm red and infrared light became the LED market standard for heart rate and blood oxygen level monitoring.
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