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S. Korean researchers develop wearable OLED that can cure jaundice in infants

The Korea Advanced Institute of Science and Technology

Researchers from the Korea Advanced Institute of Science and Technology (KAIST) have developed a wearable green organic light-emitting diode (OLED) with a 470-nanometer (nm) wavelength that can cure jaundice in infants.

The OLED provides sufficient power for jaundice treatment even at low voltage, durability for over 100 hours of operation, a low operating temperature of less than 35 Celsius degrees, and flexibility that can endure over 1,000 bends at a 2 mm radius of curvature.

The bilirubin level of the infants’ serum reaches 12 milligrams per decilitre (mg/dL) within three hours of being exposed to the OLED, indicating the completed treatment of jaundice.

Unlike existing light-emitting diode (LED)-based jaundice treatment devices currently used at hospitals, the OLED showed uniform and effective treatment functions.

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