Figure 6

(a) Electroluminescence spectra of a spin coated OLED and a printed OLED, with a thickness of 85 nm and an applied of voltage 7 V. (b) Uniform emission of light from printed and spin coated OLEDs under voltage bias.

(a) Electroluminescence spectra of a spin coated OLED and a printed OLED, with a thickness of 85 nm and an applied of voltage 7 V. (b) Uniform emission of light from printed and spin coated OLEDs under voltage bias.