Semiconductor devices - Optoelectronic devices. Light emitting diodes. Test method of the macro photoluminescence for epitaxial wafers of micro light emitting diodes

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This part of IEC 60747‑5 specifies the measuring methods of macro photoluminescence (PL) for red, green, and blue epitaxial wafers of micro light emitting diodes (LEDs) prior to chip fabrication processes. Wafer sizes being considered are 4 in, 6 in, and 8 in in diameter.