Demonstration of color filters for OLED display based on extraordinary optical transmission through periodic hole array on metallic film
By optimizing critical parameters including period, thickness, hole shape and diameter, a tri-color filter based on extraordinary optical transmission through periodic hole array on metallic film is designed for OLED display, which shows high purity, narrow bandwidth and large resonant peak in simulation, and experimentally study. Also, its practicability gets confirmed by further verifications in structures angle invariance, oblique incidence transmission efficiency and polarized incidence independence. The 0.20.2mm2 tiny fabrication scale and as more than 360 periods array dense qualify for UVGA (16001200) resolution.
color filter oled metallic film surface plasmons subwavelength structures diffraction and gratings