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Aledia Produces First Nanowire MicroLEDs on 300mm Wafer
Aledia has manufactured the world’s first MicroLED chips produced on 300mm (12”) silicon wafers. The company, which developed its breakthrough technology on 200mm (8”) silicon wafers over the past eight years, will produce the chips on both 200mm and 300mm wafers. The larger wafers provide better economic payoff and cost-effective integration with smaller-node electronics, which are only available on 300mm silicon wafers.
Giorgio Anania, Aledia CEO and cofounder said “The larger size allows 60-100 smartphone displays to be made on a single 300mm wafer, versus approximately four-to-six using the present LED industry-standard, 4” sapphire substrate. Thanks to Aledia’s unique nanowire LED technology (3D LED), this can be done with commercially available processes and equipment, since it uses standard-thickness (780µm) silicon wafers.” Aledia’s MicroLED technology grows GaN nanowires (GaN crystals of sub-micron diameter) on top of large-area silicon (called “3D”). This 3D nanowire technology does not create any of the stresses seen on 2D chips, which build up as the wafer size is increased, and so allows the use of very large-size wafers. In addition, this silicon-based technology allows production in conventional microelectronics fabs, called silicon foundries, which can be ramped up to high volume production with extremely high yield.
Aledia has manufactured the world’s first MicroLED chips produced on 300mm (12”) silicon wafers. The company, which developed its breakthrough technology on 200mm (8”) silicon wafers over the past eight years, will produce the chips on both 200mm and 300mm wafers. The larger wafers provide better economic payoff and cost-effective integration with smaller-node electronics, which are only available on 300mm silicon wafers.
Giorgio Anania, Aledia CEO and cofounder said “The larger size allows 60-100 smartphone displays to be made on a single 300mm wafer, versus approximately four-to-six using the present LED industry-standard, 4” sapphire substrate. Thanks to Aledia’s unique nanowire LED technology (3D LED), this can be done with commercially available processes and equipment, since it uses standard-thickness (780µm) silicon wafers.” Aledia’s MicroLED technology grows GaN nanowires (GaN crystals of sub-micron diameter) on top of large-area silicon (called “3D”). This 3D nanowire technology does not create any of the stresses seen on 2D chips, which build up as the wafer size is increased, and so allows the use of very large-size wafers. In addition, this silicon-based technology allows production in conventional microelectronics fabs, called silicon foundries, which can be ramped up to high volume production with extremely high yield.
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