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A method for forming a thin film on a substrate includes discharging a deposition material from a deposition source through a plurality of deposition source nozzles arranged in a first direction on a deposition source nozzle unit disposed at a side of the deposition source; passing the deposition ma

A method for forming a thin film on a substrate includes discharging a deposition material from a deposition source through a plurality of deposition source nozzles arranged in a first direction on a deposition source nozzle unit disposed at a side of the deposition source; passing the deposition material through a patterning slit sheet; and depositing the deposition material on the substrate, while moving the substrate and the patterning slit sheet relative to each other. The patterning slit sheet is spaced apart from the substrate by a distance. A blocking member is disposed between the substrate and the deposition source and is moved along with the substrate to be positioned to screen at least one portion of the substrate, and the patterning slit sheet is disposed opposite to and spaced apart from the deposition source nozzle unit, and includes a plurality of patterning slits arranged in the first direction.

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1. A method for forming a thin film on a substrate, the method comprising: discharging a deposition material from a deposition source through a plurality of deposition source nozzles arranged in a first direction on a deposition source nozzle unit disposed at a side of the deposition source;passing

1. A method for forming a thin film on a substrate, the method comprising: discharging a deposition material from a deposition source through a plurality of deposition source nozzles arranged in a first direction on a deposition source nozzle unit disposed at a side of the deposition source;passing the discharged deposition material through a patterning slit sheet; anddepositing the passed deposition material on the substrate without any intervening elements between the patterning slit sheet and the substrate, while moving at least one of the substrate and the patterning slit sheet relative to the other,wherein the patterning slit sheet is spaced apart from the substrate by a distance, and a blocking member is disposed between the substrate and the deposition source and is positioned to screen at least one portion of the substrate, such that when at least one of the substrate and the patterning slit sheet is moved, the position of the blocking member with respect to the substrate is constantly maintained, andwherein the patterning slit sheet is disposed opposite to and spaced apart from the deposition source nozzle unit, and comprises a plurality of patterning slits arranged in the first direction,wherein the patterning slit sheet is between the substrate and the blocking member. 2. The method of claim 1, wherein the blocking member comprises a first blocking member that screens a first non-deposition region formed at a first end of the substrate and a second blocking member that screens a second non-deposition region formed at a second end of the substrate. 3. The method of claim 2, wherein when the substrate is moved, the first and second blocking members are moved along with the substrate and at the same speed as that of the substrate, such that the first blocking member is disposed to block deposition on the first non-deposition region, and the second blocking member is disposed to block deposition on the second non-deposition region. 4. The method of claim 3, wherein positions of the first and second blocking members with respect to the substrate are constantly maintained. 5. The method of claim 1, wherein the patterning slit sheet is smaller than the substrate. 6. The method of claim 1, wherein the forming a thin film on a substrate further comprises passing the deposition material through a barrier plate assembly disposed between the deposition source nozzle unit and the patterning slit sheet, the barrier plate assembly comprising a plurality of barrier plates in the first direction that partition a space between the deposition source nozzle unit and the patterning slit sheet into a plurality of sub-deposition spaces. 7. A method for forming a thin film on a substrate, the method comprising: discharging a deposition material from a deposition source through a plurality of deposition source nozzles arranged in a first direction on a deposition source nozzle unit disposed at a side of the deposition source;passing the discharged deposition material through a patterning slit sheet; anddepositing the passed deposition material on the substrate without any intervening elements between the patterning slit sheet and the substrate, while moving at least one of the substrate and the patterning slit sheet relative to the other in the first direction,wherein a blocking member is disposed between the substrate and the deposition source and is positioned to screen at least one portion of the substrate, such that when at least one of the substrate and the patterning slit sheet is moved, the position of the blocking member with respect to the substrate is constantly maintained, andthe patterning slit sheet is disposed opposite to the deposition source nozzle unit and comprises a plurality of patterning slits arranged in a second direction perpendicular to the first direction,wherein the patterning slit sheet is between the substrate and the blocking member. 8. The method of claim 7, wherein the blocking member comprises a first blocking member that screens a first non-deposition region formed at a first end of the substrate and a second blocking member that screens a second non-deposition region formed at a second end of the substrate. 9. The method of claim 8, wherein when the substrate is moved, the first and second blocking members are moved along with the substrate and at the same speed as that of the substrate, such that the first blocking member is disposed to block deposition on the first non-deposition region, and the second blocking member is disposed to block deposition on the second non-deposition region. 10. The method of claim 9, wherein positions of the first and second blocking members with respect to the substrate are constantly maintained. 11. The method of claim 7, wherein the deposition source and the deposition source nozzle unit, and the patterning slit sheet are connected to each other by a connection member. 12. The method of claim 11, wherein the connection member guides movement of the discharged deposition material. 13. The method of claim 11, wherein the connection member seals a portion of a space between the deposition source and the deposition source nozzle unit, and the patterning slit sheet. 14. The method of claim 7, wherein the patterning slit sheet is spaced apart from the substrate by a distance. 15. The method of claim 7, wherein the patterning slit sheet is smaller than the substrate. 16. A method for forming a thin film on a substrate, the method comprising: discharging a deposition material from a deposition source;passing the discharged deposition material through a plurality of patterning slits on a patterning slit sheet; anddepositing the passed deposition material on the substrate without any intervening elements between the patterning slit sheet and the substrate, while moving at least one of the substrate and the patterning slit sheet relative to the other, wherein a blocking member is positioned between the substrate and the deposition source to screen a non-deposition region of the substrate, such that when at least one of the substrate and the patterning slit sheet is moved, the blocking member maintains a constant screening position with respect to the non-deposition region of the substrate, andwherein the patterning slit sheet is disposed to face and spaced apart from the deposition source, and the plurality of patterning slits is arranged in a first direction,wherein the patterning slit sheet is between the substrate and the blocking member. 17. The method of claim 16, wherein the blocking member comprises a first blocking member that screens a first non-deposition region formed at a first end of the substrate and a second blocking member that screens a second non-deposition region formed at a second end of the substrate.