According to the latest “LEDinside 2019 Infrared Sensing Application Market Report- Mobile Sensing, LiDAR and Optical Sensing” various IR products have kept developing, which have brought about unlimited business opportunities. LEDinside focuses on the applications as follows, including security surveillance, biometric recognition on mobile device (iris, 2D facial, under display fingerprint recognition- optical and ultrasonic, 3D facial recognition- structured light, ToF, stereo vision), digital medical care (pulse, oximetry, glucose sensing), spectral sensing, automotive sensing (facial and gesture) and automotive LiDAR, drone, AGV, proximity sensor, optical communication, etc. Market scale, opportunities, challenges, product specification and supply chain is discussed and analyzed in this report, which helps readers to have an overall understanding to infrared application markets.