Fig. 1

Schematic diagrams of three kinds of mini-CSPLED emission angle structure. a 120° mini-CSPLED, b 150° mini-CSPLED, and c 180° mini-CSPLED
Schematic diagrams of three kinds of mini-CSPLED emission angle structure. a 120° mini-CSPLED, b 150° mini-CSPLED, and c 180° mini-CSPLED