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IEEE
IEEE Transactions on Electron Devices;2020;67;9;10.1109/TED.2020.3008371
Chip-on-board light-emitting diodes (COB-LEDs)
light efficiency
millilens array
total internal reflection (TIR)
A Simple Method to Realize Millilens Array on Encapsulant Layer for Enhancing Light Efficiency of COB-LEDs
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