Gas enclosure assembly and system
View Patent ↗The present teachings relate to various embodiments of an hermetically-sealed gas enclosure assembly and system that can be readily transportable and assemblable and provide for maintaining a minimum inert gas volume and maximal access to various devices and apparatuses enclosed therein. Various embodiments of an hermetically-sealed gas enclosure assembly and system of the present teachings can have a gas enclosure assembly constructed in a fashion that minimizes the internal volume of a gas enclosure assembly, and at the same time optimizes the working space to accommodate a variety of footprints of various OLED printing systems. Various embodiments of a gas enclosure assembly so constructed additionally provide ready access to the interior of a gas enclosure assembly from the exterior during processing and readily access to the interior for maintenance, while minimizing downtime.
1. A gas enclosure assembly and system comprising:
a gas enclosure assembly having an interior containing an inert gas atmosphere; wherein the gas enclosure assembly comprises:
a first frame member assembly section defining a first interior volume of the gas enclosure assembly interior, wherein the first frame member assembly section comprises a plurality of first frame member assemblies, each of the plurality of first frame member assemblies having a plurality of a first panel section;
a second frame member assembly section defining a second interior volume of the gas enclosure assembly interior, wherein the second frame member assembly section comprises a plurality of second frame member assemblies, each of the plurality of second frame member assemblies having a plurality of a second panel section; and
at least one opening in a common panel section to the first frame member assembly section and the second frame member assembly section, wherein the at least one opening provides fluid communication between the first interior volume and the second interior volume, and wherein closure of the at least one opening separates the first interior volume from fluid communication with the second interior volume;
a printing system having a printhead assembly comprising at least one printhead, wherein the printing system is housed within the first interior volume; and
a maintenance module housed within the second interior volume, wherein the maintenance module and the printhead assembly are alignable with respect to each other to perform one of a maintenance procedure and a calibration procedure on the printhead assembly.
2. The gas enclosure assembly and system of claim 1 ; wherein the second interior volume is less than or equal to about 1% of a volume of the gas enclosure assembly interior.
3. The gas enclosure assembly and system of claim 1 ; wherein the second interior volume is less than or equal to about 10% of a volume of the gas enclosure assembly interior.
4. The gas enclosure assembly and system of claim 1 ; further comprising a gas purification system configured to be in fluid communication with one of the gas enclosure assembly, the first frame member assembly section, and the second frame member assembly section.
5. The gas enclosure assembly and system of claim 4 ; wherein the gas purification system capacity is based on a volume of the gas enclosure assembly.
6. The gas enclosure assembly and system of claim 5 ; wherein when the gas purification system is configured to be in fluid communication with the second frame member assembly section, the gas purification system can be used to purify the second interior volume.
7. The gas enclosure assembly and system of claim 1 ; wherein the inert gas atmosphere contained in the interior comprises water and oxygen each at levels of 100 ppm or less.
8. The gas enclosure assembly and system of claim 1 , wherein the
printing system further comprises:
a motion system for positioning the printing system within the gas enclosure assembly.
9. The gas enclosure assembly and system of claim 1 ; wherein the printing system has a substrate support apparatus.
10. The gas enclosure assembly and system of claim 9 ; wherein the substrate support apparatus defines the travel over which a substrate can be moved through the printing system.
11. The gas enclosure assembly and system of claim 9 ; wherein the substrate support apparatus can support a substrate having a size of between about generation 5 to about generation 10.
12. The gas enclosure assembly and system of claim 9 ; wherein the substrate support apparatus can support a substrate having a size of between about generation 3.5 to about generation 8.5.
13. The gas enclosure assembly and system of claim 8 ;
wherein the inert gas atmosphere contained in the interior comprises water and oxygen each at levels of 100 ppm or less.
14. The gas enclosure assembly and system of claim 1 , wherein the inert gas atmosphere contained in the interior comprises water and oxygen each at levels of 10 ppm or less.
15. The gas enclosure assembly and system of claim 8 , wherein the motion system is configured to position the printhead assembly with respect to the maintenance module.
16. The gas enclosure assembly and system of claim 9 , wherein the substrate support apparatus comprises a floatation table.
17. A gas enclosure assembly and system comprising:
a gas enclosure assembly having an interior containing an inert gas atmosphere, wherein the gas enclosure assembly comprises:
a first enclosure defining a first interior volume of the gas enclosure assembly interior;
a second enclosure defining a second interior volume of the gas enclosure assembly interior, wherein the second interior volume is configured to be placed in selective flow communication with the first interior volume via an opening, wherein closure of the opening separates the first interior volume from the second interior volume; and
a printing system comprising at least one printhead, wherein the printing system is disposed in the first interior volume and is configured to perform a printing process in the first interior volume, wherein the at least one printhead is movable to a location at which the at least one printhead is accessible from the second interior volume; and
a maintenance module disposed within the second interior volume, wherein the maintenance module and the at least one printhead are alignable with respect to each other to perform one of a maintenance procedure and a calibration procedure on the at least one printhead.