Light-emitting diode (oled) display and method of fabrication using multimodal three-dimensional (3d) printing
AssigneeRegents of the University of Minnesota
InventorsMichael C. McAlpine, Ruitao Su, Sung Hyun Park
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Abstract
A multimodal method of three-dimensionally (3D) printing a light-emitting diode (LED) display includes extrusion printing a first conductive layer utilizing a first extrusion printing nozzle set, spray printing an active layer onto the first conductive layer utilizing a spray printing nozzle, and extrusion printing a second conductive layer utilizing a second extrusion printing nozzle set.
Claims21
A multimodal method of three-dimensionally (3D) printing a light-emitting diode (LED) display, the method comprising:
- extrusion printing a first conductive layer utilizing a first extrusion printing nozzle set;
- spray printing an active layer onto the first conductive layer utilizing a spray printing nozzle;
- and
- extrusion printing a second conductive layer utilizing a second extrusion printing nozzle set.
An organic light-emitting diode (OLED) display comprised of a plurality of pixels, the OLED display comprising:
- a substrate;
- a bottom interconnect array fabricated on the substrate, the bottom interconnect array including a plurality of interconnect columns;
- a first conductive layer fabricated onto the bottom interconnect array;
- an active layer printed onto the first conductive layer;
- a second conductive layer extrusion printed onto the active layer, each contact in the second conductive layer comprising a droplet extrusion printed onto the active layer and mechanically reconfigured from a droplet geometry to a second configuration that increases a bottom contact area of the droplet;
- and
- a top interconnect array fabricated onto the second conductive layer, the top interconnect array including a plurality of interconnect rows, wherein the plurality of pixels are individually addressable utilizing the plurality of interconnect columns and the plurality of interconnect rows.
Dependencies are inferred from the claim text.