SYSTEM AND METHODS FOR INKJET PRINTING FOR FLAT PANEL DISPLAYS
First Claim
1. A method for inkjet printing, comprising:
- disposing a substrate on a substrate support;
providing an inkjet head that is disposed above the substrate support and has a plurality nozzle that are adapted to dispense an ink droplet therefrom, wherein the plurality of nozzles comprise a first nozzle and a second nozzle;
dispensing ink from the first nozzle to a first region of a sub-pixel formed on a surface of the substrate; and
dispensing ink from the second nozzle to a second region of the sub-pixel formed on the surface of the substrate.
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Abstract
A system for inkjet printing, which includes an inkjet printing module support having one or more inkjet heads disposed thereon. The one or more inkjet heads are configured to move along a first axis. The system further includes a substrate stage configured to move along a second axis that is perpendicular to the first axis. The substrate stage is configured to support a substrate having one or more ink landing positions disposed thereon in a pattern that is not aligned with either the first axis or the second axis. The system further includes a system controller configured to simultaneously move the one or more inkjet heads along the first axis and move the substrate stage along the second axis during a printing operation such that the one or more inkjet heads dispense ink into the ink landing positions.
116 Citations
29 Claims
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1. A method for inkjet printing, comprising:
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disposing a substrate on a substrate support;
providing an inkjet head that is disposed above the substrate support and has a plurality nozzle that are adapted to dispense an ink droplet therefrom, wherein the plurality of nozzles comprise a first nozzle and a second nozzle;
dispensing ink from the first nozzle to a first region of a sub-pixel formed on a surface of the substrate; and
dispensing ink from the second nozzle to a second region of the sub-pixel formed on the surface of the substrate. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method for inkjet printing, comprising:
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disposing a substrate on a substrate support;
providing a first inkjet head and a second inkjet head that are disposed above the substrate support, wherein the first and second inkjet heads each have a plurality of nozzles that are adapted to dispense an ink droplet therefrom;
dispensing ink from a first nozzle formed in the first inkjet head on a first region of a sub-pixel formed on a surface of the substrate; and
dispensing ink from a second nozzle formed in the second inkjet head on a second region of the sub-pixel formed on the surface of the substrate. - View Dependent Claims (8, 9, 10, 11, 12, 13)
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14. A method for inkjet printing, comprising:
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disposing a substrate on a substrate support, wherein the substrate has a plurality of sub-pixels formed on a surface of the substrate;
providing an inkjet printing module having a first inkjet head and a second inkjet head that are disposed above the substrate, wherein the first and second inkjet heads each have a plurality of nozzles that are adapted to dispense an ink droplet therefrom; and
dispensing a plurality of ink droplets on the sub-pixels, wherein dispensing the plurality of ink droplets comprises;
dispensing at least one ink droplet on a first region of the sub-pixel from a first nozzle formed in the first inkjet head; and
dispensing at least one ink droplet on a second region of the sub-pixel from a second nozzle formed in the second inkjet head. - View Dependent Claims (15, 16)
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17. A system for inkjet printing, comprising:
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a substrate stage having a substrate supporting surface;
a first inkjet head that contains a plurality of nozzles which are positioned over the substrate supporting surface; and
a system controller that is configured to dispense an ink droplet from at least two of the plurality of nozzles onto a sub-pixel formed on a substrate disposed on the substrate supporting surface as the first inkjet head is transferred in a first direction. - View Dependent Claims (18, 19, 20, 21, 22)
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23. A system for inkjet printing, comprising:
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a substrate stage having a substrate supporting surface;
a first inkjet head that contains a first array of nozzles which are positioned over the substrate supporting surface;
a second inkjet head that contains a second array of nozzles which are positioned over the substrate supporting surface, wherein the second array of nozzles are offset a fixed distance relative to the first array of nozzles during the inkjet printing process; and
a system controller that is configured to dispense an ink droplet from one in the first array of nozzles and one nozzle in the second array of nozzles onto a sub-pixel formed on a substrate as the first inkjet head and the second inkjet head are transferred in a first direction. - View Dependent Claims (24, 25, 26, 27, 28, 29)
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Specification