Figure 6.
(a) Schematic diagram of the incorporation of Micro-LEDs and DBR. (b) Planar SEM image of a Micro-LED wafer. Reproduced with permission from [38], [ACS Nano]; published by American Chemical Society, 2020. (c) Schematic diagram of RC Micro-LED structure. (d) The effective reflectivity for different pairs of SiO2/TiO2 DBRs. (e) Relationship between top and bottom DBR reflectivity and light extraction enhancement factor. Reproduced with permission from [18], [Applied Physics Letters]; published by AIP Publishing, 2022.