CPC H01L 25/167 (2013.01) [H01L 25/0753 (2013.01); H01L 25/50 (2013.01); H01L 33/52 (2013.01); H01L 24/97 (2013.01); H01L 33/58 (2013.01); H01L 33/62 (2013.01); H01L 2224/18 (2013.01); H01L 2224/73267 (2013.01); H01L 2224/92244 (2013.01); H01L 2933/0058 (2013.01); H01L 2933/0066 (2013.01)] | 20 Claims |
1. A light-emitting diode (LED) display panel, comprising:
a substrate;
a driver circuit array on the substrate and including a plurality of pixel driver circuits arranged in an array;
an LED array including a plurality of LED dies each being coupled to one of the pixel driver circuits;
a micro lens array including a plurality of micro lenses each corresponding to and being arranged over at least one of the LED dies;
an optical spacer formed between the LED array and the micro lens array; and
a mechanical fixture holding the driver circuit wafer and the micro lens array,
wherein the optical spacer includes an air gap.
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