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The clear IR LED produces infrared light, while the darker LED serves as the sensor component. The sensor bulb is black to filter off ordinary light. Consider the LED to be wearing sunglasses to shield itself from ordinary light. Even though their eyes cannot sense infrared light, some cameras can detect it.
An IR LED (infrared light emitting diode) is a solid-state lighting (SSL) device that generates light in the infrared band of the electromagnetic radiation spectrum. IR LEDs enable the cheap and efficient creation of infrared light, which is electromagnetic radiation in the 700 nm to 1mm range.
The Global Black IR LEDs market accounted for $XX Billion in 2024 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2024 to 2030.
The rectangular 4:3 lighting field of new OSRAM IR LEDs reduce costs while improving performance of cabin monitoring systems. The new LEDs enable manufacturers to forgo the need of secondary lenses, lowering the cost and complexity of their systems. The optimised field of illumination of the new emitters results in increased optical power distribution and homogeneity for better, more reliable IR imaging in the cabin.
The new SFH47278AS A01 has a 155° x 130° field of illumination (FoI), while the SFH47267AS A01 has a 135° x 110° FoI. Automotive manufacturers who employ the SFH47278AS A01 or SFH47267AS A01 emitters can reduce the complexity and cost of the optical stack in cabin monitoring systems while improving the quality and reliability of the IR images captured.
The new 940nm OSLON Black emitters will aid in the detection of driver distraction and tiredness, occupancy or kid presence detection, and seat belt detection. Nowadays, cabin monitoring systems rely on illuminators that emit a circular beam.
Manufacturers may use a secondary lens on top of the LED to tailor the beam to meet the 4:3 field of view of their camera. This raises the overall cost and complexity of the optical stack. When using the SFH47278AS A01 or SFH47267AS A01, no additional lens is required, making a cabin monitoring system simpler and easier to design and manufacture.
