Fig. 3: Photographs of the SOLEDs in a dark environment.

a A large-area SOLED at 0%, 50%, and 100% tensile stain. b An array of five OLED pixels at 0%, 50%, and 100% tensile strain
a A large-area SOLED at 0%, 50%, and 100% tensile stain. b An array of five OLED pixels at 0%, 50%, and 100% tensile strain