Gas enclosure systems and methods utilizing an auxiliary enclosure
The present teachings disclose various embodiments of a gas enclosure system can have a gas enclosure that can include a printing system enclosure and an auxiliary enclosure. In various embodiments of a gas enclosure system of the present teachings, a printing system enclosure can be isolated from an auxiliary enclosure. Various systems and methods of the present teachings can provide for the ongoing management of a printing system by utilizing various embodiments of isolatable enclosures. For example, various measurement and maintenance process steps for the management of a printhead assembly can be performed in an auxiliary enclosure, which can be isolated from a printing system enclosure of a gas enclosure system, thereby preventing or minimizing interruption of a printing process.
1. A method for the automated maintenance of an industrial printing system, the method comprising:
maintaining an inert gas environment in a gas enclosure; said gas enclosure defining a total enclosure volume, the gas enclosure comprising:
a printing system enclosure defining a first volume of the total gas enclosure volume, the printing system enclosure housing a printing system, the printing system comprising a substrate support apparatus to support a substrate and a printhead assembly to deposit organic material on a substrate supported by the substrate support apparatus in the printing system enclosure;
an auxiliary enclosure defining a second volume of the total gas enclosure volume adjacent the printing system enclosure; and
a first sealable opening allowing access between the printing system enclosure and the auxiliary enclosure;
wherein for maintaining an inert environment in the printing system enclosure, when the first sealable opening is opened, the auxiliary enclosure is maintained in an inert environment;
positioning a handler proximal to the first sealable opening between the printing system enclosure and the auxiliary enclosure;
removing a component part of the printhead assembly using the handler; and
moving the removed component part to the auxiliary enclosure using the handler.
2. The method of claim 1 , further comprising, removing the removed component part from the auxiliary chamber through a second sealable opening between the auxiliary chamber and an environment exterior to the gas enclosure, wherein the first sealable opening between the printing system enclosure and the auxiliary enclosure is sealed when the auxiliary enclosure is exposed to a non-inert gas.
3. The method of claim 1 , further comprising:
retrieving a replacement component part for the printing system using the handler; and
inserting the replacement component part into the printing system using the handler;
wherein retrieving and inserting the replacement component part occurs after removing the component part from the printing system or after moving the removed component part to the auxiliary enclosure.
4. The method of claim 2 , further comprising:
placing a replacement component part for the printing system into the auxiliary enclosure while the second sealable opening is opened;
closing the second sealable opening; and
recovering the gas environment of the auxiliary enclosure to an inert gas environment;
wherein removing the removed component part from the auxiliary enclosure and placing a replacement component part into the auxiliary enclosure can be done in any order.
5. The method of claim 1 , wherein the second volume of the auxiliary enclosure is between about 1% to about 10% of the total volume of the gas enclosure.
6. The method of claim 1 , wherein the printing system is configured to print an OLED substrate having a size of between about generation 3.5 to about generation 10.
7. The method of claim 1 , wherein maintaining the inert gas environment of the gas enclosure comprises using nitrogen.
8. The method of claim 1 , wherein maintaining the inert gas environment of the gas enclosure comprises using any of the noble gases, combinations thereof, and combinations with nitrogen.
9. The method of claim 1 , wherein the inert gas environment of the gas enclosure comprises water and oxygen each at a level of of 1 ppm or less.
10. The method of claim 1 , wherein the inert gas environment of the gas enclosure comprises water and oxygen each at a level of of 100 ppm or less.
11. The method of claim 1 , wherein the handler has an end effector.
12. The method of claim 11 , wherein the end effector is selected from a blade-type end effector, a gripper-type end effector and a clamp-type effector.
13. The method of claim 1 , wherein positioning the handler proximal to the first sealable opening is done when the handler is located in the printing system enclosure.
14. The method of claim 1 , wherein positioning the handler proximal to the first sealable opening is done when the handler is located in the auxiliary enclosure.
15. The method of claim 1 , wherein the auxiliary enclosure defining a second volume is an adaptable controlled-environment enclosure.
16. The method of claim 15 , wherein the adaptable controlled-environment enclosure is readily movable.
17. The method of claim 1 , wherein the auxiliary enclosure is a transfer chamber.
18. The method of claim 1 , wherein the auxiliary enclosure is a load lock chamber.
19. The method of claim 1 , wherein the substrate support apparatus is a floatation table and the method further comprises supporting a substrate in the printing system enclosure relative to the printing system using the floatation table.
20. The method of claim 19 , wherein the substrate has a size of between about generation 3.5 to about generation 10.
21. The method of claim 3 , wherein the replacement component part is chosen from an ink cartridge and a printhead.
22. The method of claim 1 , wherein the component part is chosen from an ink cartridge and a printhead.
23. The method of claim 1 , further comprising performing, in the auxiliary enclosure, at least one of a maintenance task or a measurement task on the printhead assembly.
24. The method of claim 1 , further comprising depositing an organic material from the printing system onto a substrate supported in the printing system enclosure.
25. The method of claim 24 , wherein the depositing occurs before the positioning, removing, and moving.
26. The method of claim 24 , wherein the organic material is a material used in forming an organic light emitting diode display.