Dai Nippon Printing: thin and stretchable skin displays

Based on developments at the University of Tokyo (JST ERATO Someya Project*) the company is developing a thin and stretchable skin display which it plans to market within 3 years**. In this device, 16 × 24 px micro light emitting diodes and stretchable wires are mounted on a rubber sheet. The size of the micro LED is 1 x 0.5 mm, the emission wavelength is 630 nanometers (nm) (red), and the drive voltage is 2 volts (V). Micro LEDs are embedded at equal intervals in a thin rubber sheet with a total thickness of about 1 mm (mm). Fitted to the skin, vital signs or even animation of the electrocardiographic waveform is displayed. The newly-developed skin electronics system is aimed at people
such as the elderly or the infirm, who have difficulty operating and obtaining data from other devices and interfaces. Vital signs or electrocardiograms are transmitted wirelessly to a smartphone. The readings or electrocardiogram waveforms can be displayed on the screen in real time, or sent to either the cloud or a memory device where the information is stored.It is thought to help ease the strain on home healthcare systems in aging societies through continuous, non-invasive health monitoring and self-care at home.


JST news release, February 18, 2018

Dai Nippon Printing: thin and stretchable skin displays
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