WO2020063237A1 - 用于调整膜材蒸镀位置的方法和装置 - Google Patents
用于调整膜材蒸镀位置的方法和装置 Download PDFInfo
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- WO2020063237A1 WO2020063237A1 PCT/CN2019/102797 CN2019102797W WO2020063237A1 WO 2020063237 A1 WO2020063237 A1 WO 2020063237A1 CN 2019102797 W CN2019102797 W CN 2019102797W WO 2020063237 A1 WO2020063237 A1 WO 2020063237A1
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- formation position
- actual
- offset
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- 239000000463 material Substances 0.000 title claims abstract description 259
- 238000000034 method Methods 0.000 title claims abstract description 50
- 238000001704 evaporation Methods 0.000 title abstract description 25
- 230000008020 evaporation Effects 0.000 title abstract description 24
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 291
- 238000006073 displacement reaction Methods 0.000 claims abstract description 291
- 239000000758 substrate Substances 0.000 claims abstract description 97
- 238000004364 calculation method Methods 0.000 claims description 14
- 238000005137 deposition process Methods 0.000 claims description 12
- 239000003550 marker Substances 0.000 claims description 11
- 238000005259 measurement Methods 0.000 claims description 8
- 238000007740 vapor deposition Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 abstract description 19
- 239000010408 film Substances 0.000 description 109
- 230000008021 deposition Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 10
- 239000002184 metal Substances 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 9
- 230000006872 improvement Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000013011 mating Effects 0.000 description 2
- 238000005019 vapor deposition process Methods 0.000 description 2
- 229910001111 Fine metal Inorganic materials 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
- H10K71/10—Deposition of organic active material
- H10K71/191—Deposition of organic active material characterised by provisions for the orientation or alignment of the layer to be deposited
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/04—Coating on selected surface areas, e.g. using masks
- C23C14/042—Coating on selected surface areas, e.g. using masks using masks
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/12—Organic material
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/30—Devices specially adapted for multicolour light emission
- H10K59/35—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
- H10K71/10—Deposition of organic active material
- H10K71/16—Deposition of organic active material using physical vapour deposition [PVD], e.g. vacuum deposition or sputtering
- H10K71/166—Deposition of organic active material using physical vapour deposition [PVD], e.g. vacuum deposition or sputtering using selective deposition, e.g. using a mask
Definitions
- the present disclosure relates to the field of display technology, and in particular, to a method and a device for adjusting a deposition position of a film material in a film deposition process using a mask plate assembly.
- the open area on the FMM (Fine Metal Mask) is usually used to make the luminescent material pass through the FMM and adhere to the TFT (Thin Film Transistor) substrate to form an OLED (Organic Light Emitting Diode (organic light emitting diode) display panel.
- the present disclosure provides a method for adjusting a deposition position of a film material in a film deposition process using a mask plate assembly, wherein the mask plate assembly includes a mask plate fixing frame and a mask plate fixed on the mask plate fixing frame.
- a body comprising: obtaining a first offset between a plurality of second mark points on the mask assembly and a plurality of first mark points on the mask body; obtaining a plurality of third mark points on the substrate A second offset from a plurality of second mark points on the mask plate assembly, wherein the plurality of third mark points are formed by the mask plate assembly when the film material is evaporated on the substrate; A plurality of second mark points are formed on the substrate; and according to the first offset displacement and the second offset displacement, an actual offset between an actual formation position of the film material and a preset formation position is determined And adjusting the preset formation position of the film material according to the actual offset displacement between the actual formation position of the film material and the preset formation position.
- the step of obtaining a first offset between a plurality of second mark points on the mask plate assembly and a plurality of first mark points on the mask plate body includes: First coordinates of a plurality of first marked points on the mask; measure second coordinates of a plurality of second marked points on the mask plate assembly; and subtract the first coordinates from the second coordinates to obtain the First offsets between the plurality of second mark points and the plurality of first mark points on the mask body.
- the step of obtaining a second offset between a plurality of third mark points on the substrate and a plurality of second mark points on the mask assembly includes: measuring a plurality of first mark points on the substrate. Third coordinates of three marked points; and subtracting the second coordinates from the third coordinates to obtain a second between a plurality of third marked points on the substrate and a plurality of second marked points on the mask assembly Offset displacement.
- the step of determining an actual offset displacement between an actual formation position of the film material and a preset formation position according to the first offset displacement and the second offset displacement includes: : Adding the first offset displacement and the second offset displacement to obtain the actual offset displacement of the plurality of third mark points; and for the first target mark point among the plurality of third mark points And the second target mark point, dividing the difference between the actual offset of the second target mark point and the first target mark point by the first target mark point and the second target mark The number of actual formation positions of the film material between the points is to obtain a first ratio; and for the actual formation position of the Mth film material between the first target mark point and the second target mark point, M and The product of the first ratio, plus the actual offset displacement of the first target mark point, to obtain the actual offset displacement between the actual formation position of the Mth film material and a preset formation position; M Is a positive integer greater than 0.
- the step of adjusting the preset formation position of the film material according to an actual offset between the actual formation position of the film material and a preset formation position includes: when the When the actual offset between the actual formation position of the film material and the preset formation position is within a compensable range, based on the actual offset displacement between the actual formation position of the film material and the preset formation position, Adjusting the preset formation position of the film material; and the maximum compensation displacement corresponding to the compensable range when the actual offset displacement between the actual formation position of the film material and the preset formation position is outside the compensable range When the difference between them meets the threshold, the preset formation position of the film material is adjusted according to the maximum compensation displacement.
- the step of adjusting the preset formation position of the film material based on an actual offset between the actual formation position of the film material and a preset formation position includes: based on the The actual offset between the actual formation position of the film material and the preset formation position determines the offset displacement of the pixel-defining layer; wherein the actual offset displacement between the actual formation position of the film material and the preset formation position is different from The offset corresponding to the pixel-defining layer has the same distance and the same direction; and the step of adjusting the preset formation position of the film material according to the maximum compensation displacement includes: according to the maximum compensation The displacement determines the offset displacement of the pixel-defining layer; wherein the maximum compensation displacement is equal to the distance corresponding to the offset displacement of the pixel-defining layer and has the same direction.
- the step of adjusting the preset formation position of the film material based on an actual offset between the actual formation position of the film material and a preset formation position includes: based on the The actual offset between the actual formation position of the film material and the preset formation position determines the offset displacement of the corresponding opening area on the mask plate assembly; wherein between the actual formation position of the film material and the preset formation position The actual offset displacement is equal to the distance corresponding to the offset displacement of the corresponding opening area on the mask assembly, and the directions are opposite; and the preset formation position of the film is adjusted according to the maximum compensation displacement
- the step includes: determining an offset displacement of the corresponding opening area on the mask assembly according to the maximum compensation displacement; wherein the maximum compensation displacement corresponds to a distance corresponding to the offset displacement of the corresponding opening area on the mask assembly Equal and opposite directions.
- the present disclosure also provides a device for adjusting a film material vapor deposition position in a vapor deposition film material process using a mask plate assembly, wherein the mask plate assembly includes a mask plate fixing frame and a mask fixed on the mask plate fixing frame.
- the template body the device includes: a first offset displacement acquisition module configured to obtain a first offset between a plurality of second mark points on the mask assembly and a plurality of first mark points on the mask body Displacement; a second offset displacement acquisition module configured to obtain a second offset displacement between a plurality of third mark points on the substrate and a plurality of second mark points on the mask assembly, wherein the plurality of The three mark points are formed on the substrate by the plurality of second mark points when a film material is vapor-deposited on the substrate by using the mask plate assembly; an actual offset displacement determining module is configured to be based on the A first offset displacement and the second offset displacement, determining an actual offset displacement between an actual formation position of the film material and a preset formation position; and a formation position adjustment module
- the first offset acquisition module includes: a first coordinate acquisition submodule configured to acquire first coordinates of a plurality of first marker points on a mask body; a second coordinate measurement submodule, Configured to measure second coordinates of a plurality of second marked points on the mask assembly; and a first offset displacement calculation sub-module configured to subtract the first coordinate from the second coordinate to obtain the A first offset between a plurality of second marking points on the mask assembly and a plurality of first marking points on the mask body.
- the second offset displacement acquisition module includes: a third coordinate measurement sub-module configured to measure third coordinates of a plurality of third mark points on the substrate; and a second offset displacement calculator A module configured to subtract the second coordinate from the third coordinate to obtain a second offset between a plurality of third mark points on the substrate and a plurality of second mark points on the mask assembly.
- the actual offset displacement determination module includes a first actual offset displacement calculation sub-module configured to add the first offset displacement and the second offset displacement to obtain the actual offset displacement.
- a first ratio calculation sub-module is configured to, for the first target marker point and the second target marker point among the plurality of third marker points, The difference between the actual offset of the target mark point and the first target mark point, divided by the number of actual formation positions of the film material between the first target mark point and the second target mark point, Obtain a first ratio; and a second actual offset displacement calculation sub-module configured to, for the actual formation position of the Mth film material between the first target mark point and the second target mark point, A product of the first ratio and an actual offset displacement of the first target mark point to obtain an actual offset displacement between an actual formation position of the Mth film material and a preset formation position; M is a positive integer greater than 0.
- the formation position adjustment module includes: a first formation position adjustment sub-module configured to, when an actual offset between the actual formation position of the film material and a preset formation position is within a compensable range Adjusting the preset formation position of the film material based on the actual offset between the actual formation position of the film material and the preset formation position; and a second formation position adjustment submodule configured to When the actual offset displacement between the actual formation position of the film material and the preset formation position is outside the compensable range, and the difference between the maximum compensation displacement corresponding to the compensable range meets the threshold, The maximum compensation displacement is adjusted for a preset formation position of the film material.
- the first formation position adjustment sub-module includes a first offset displacement determination unit configured to be based on an actual offset displacement between an actual formation position of the film material and a preset formation position, Determining an offset displacement of the pixel-defining layer; wherein the actual offset displacement between the actual formation position and the preset formation position of the film material is equal to the distance corresponding to the offset displacement of the pixel-defining layer and has the same direction;
- the second formation position adjustment sub-module includes: a second offset displacement determining unit configured to determine an offset displacement of a pixel-defining layer according to the maximum compensation displacement; wherein the maximum compensation displacement and the pixel-defining layer are The offsets correspond to the same distance and direction.
- the first formation position adjustment sub-module includes a third offset displacement determination unit configured to be based on an actual offset displacement between an actual formation position of the film material and a preset formation position To determine an offset displacement of a corresponding opening area on the mask plate assembly; wherein an actual offset displacement between an actual formation position and a preset formation position of the film material and an offset of a corresponding opening area on the mask plate assembly The distances corresponding to the displacements are equal and the directions are opposite; and the second formation position adjustment submodule includes: a fourth offset displacement determination unit configured to determine a corresponding opening area on the mask assembly according to the maximum compensation displacement. The displacement of the maximum compensation displacement is equal to the distance corresponding to the displacement displacement of the corresponding opening area on the mask assembly, and the directions are opposite.
- FIG. 1 is a schematic structural diagram of a color mixing phenomenon in the related art
- FIG. 2 shows a flowchart of a method for adjusting a film deposition position in a film deposition process using a mask assembly according to an embodiment of the present disclosure
- FIG. 3A shows a schematic structural diagram of a mask body
- FIG. 3B shows a schematic structural diagram of a mask assembly
- FIG. 4A shows a schematic cross-sectional view of a mating structure of a mask assembly and a substrate during a vapor deposition process
- FIG. 4B shows a schematic top view of the substrate during the evaporation process
- FIG. 5 is a schematic structural diagram of no color mixing phenomenon after adjusting a preset formation position of a luminescent material
- FIG. 6 shows a flowchart of a method for adjusting a film deposition position in a film deposition process using a mask assembly according to an embodiment of the present disclosure
- FIG. 7 shows a schematic structural diagram before and after adjustment of the pixel definition layer
- FIG. 8 shows an adjustment flowchart for adjusting a preset formation position of a luminescent material
- FIG. 9 shows a structural block diagram of a device for adjusting a film deposition position in a film deposition process using a mask assembly according to an embodiment of the present disclosure
- FIG. 10 shows a structural block diagram of an apparatus for adjusting a film deposition position in a film deposition process using a mask assembly according to an embodiment of the present disclosure.
- R represents a PDL (Pixel Definition Layer) opening area corresponding to a red pixel
- G represents a PDL opening area corresponding to a green pixel
- B represents a PDL opening area corresponding to a blue pixel.
- the red light-emitting material 11 covers the PDL opening area of the green pixel, thereby causing a color mixing phenomenon.
- Embodiments of the present disclosure provide a method and a device for adjusting a film evaporation position in an evaporation film material process using a mask plate assembly, so as to solve the problem that easily occurs when the FMM evaporation film material (for example, a luminescent material) is adopted in the related art.
- FMM evaporation film material for example, a luminescent material
- One or more of the problems such as insufficient accuracy, unevenness (for example, poor color mixing), and the like.
- FIG. 2 there is shown a flowchart of a method for adjusting a film deposition position in a film deposition process using a mask assembly according to an embodiment of the present disclosure.
- the mask assembly includes a mask mounting frame and a mask mounting body fixed on the mask mounting frame.
- the method may specifically include the following steps:
- Step 201 Obtain a first offset between a plurality of second mark points on the mask assembly and a plurality of first mark points on the mask body.
- FIG. 3A and FIG. 3B a schematic structural diagram of a mask body and a mask assembly is shown.
- the mask assembly 30 includes a mask body 31 and a mask frame 32.
- a mask plate body 31 is first manufactured according to the designed drawings.
- the mask body 31 includes a plurality of metal bars 311. Due to process conditions, a certain gap is left between any two metal bars 311, and the gap between any two metal bars 311 usually has the same width.
- a plurality of open areas (not shown in FIGS. 3A and 3B) and a plurality of first marking points 302A, 302B are formed on each metal strip 311 (a plurality of first marks are exemplarily marked in the figure) Two of the dots).
- the material of the film to be vapor-deposited such as a luminescent material, can pass through the open area on the metal strip 311 and be vapor-deposited on the substrate.
- the mask body 31 is FMM.
- the size of each opening area and the gap between two adjacent opening areas will affect the accuracy of the mask body 31, that is, FMM. Production accuracy.
- a screen stretching operation is performed, that is, the prepared mask body 31 is fixed to the mask fixing frame 32 to form a mask assembly 30.
- the mask body 31 and the mask fixing frame 32 can be fixed by welding.
- the plurality of first marked points 302A and 302B are correspondingly changed into a plurality of second marked points 312A and 312B (only two of the plurality of second marked points are labeled as examples in the figure).
- the plurality of second marking points 312A and 312B on the mask component 30 may be relatively different from those on the mask body 31.
- the plurality of first mark points 302A, 302B are shifted.
- the screen accuracy refers to the difference between the mask body 31 and the unfixed mask body 31 in the mask assembly 30 formed after the mask body 31 and the mask fixing frame 32 are fixed.
- the second marked point refers to the first marked point after the Zhang net operation.
- a first offset displacement of a plurality of second mark points 312A, 312B on the mask assembly 30 is obtained.
- the first offset displacement refers to an offset displacement of the plurality of second mark points 312A and 312B on the mask assembly 30 relative to the plurality of first mark points 302A and 302B of the mask body 31.
- Step 202 Obtain a second offset between a plurality of third mark points on the substrate and a plurality of second mark points on the mask plate assembly.
- the plurality of third mark points are when the mask plate assembly is used on the substrate.
- a plurality of second mark points are formed on the substrate.
- FIG. 4A illustrates a schematic cross-sectional view of a mating structure of a mask plate assembly and a substrate during a vapor deposition process, wherein the mask plate assembly 30 is a portion taken along A-B in FIG. 3B.
- FIG. 4B is a schematic top view of the substrate 430 in FIG. 4A during the evaporation process.
- a luminescent material is vapor-deposited on the substrate 430 by using a mask plate assembly 30.
- the mask plate assembly 30 includes an open area 410, a non-open area 420, and a plurality of second marks. Points 312A and 312B.
- a film material is deposited on the substrate 430 through the mask plate assembly 30.
- the substrate 430 includes a PDL open region 440 and a non-open region 450.
- the luminescent material passes through the opening on the mask plate assembly 30
- the region 410 is vapor-deposited on the substrate 430
- a part of the light-emitting material is vapor-deposited outside the PDL opening region 440, resulting in a color mixing phenomenon.
- Factors such as misalignment of the opening area 410 on the mask assembly 30 and the PDL opening area 440 on the substrate may affect the evaporation accuracy of the luminescent material.
- Step 203 Determine an actual offset displacement between the actual formation position of the film material and the preset formation position according to the first offset displacement and the second offset displacement.
- the preset of the luminescent material is calculated according to the first offset displacements of the plurality of second mark points on the mask plate assembly 30 and the second offset displacements of the plurality of third mark points on the substrate. The actual offset of the formation position.
- Step 204 Adjust the preset formation position of the film material according to the actual offset between the actual formation position of the film material and the preset formation position.
- the preset formation position of the luminescent material is adjusted according to the calculated actual displacement position of the luminescent material and the preset formation position.
- the position of the PDL is adjusted according to the actual offset between the actual formation position of the luminescent material and the preset formation position.
- the position of the opening region 410 on the mask assembly 30 is adjusted according to the actual offset between the actual formation position of the luminescent material and the preset formation position.
- the PDL is re-produced according to the adjusted position of the PDL on another substrate, and then the luminescent material is evaporated by using the mask plate assembly 30; if the position of the opening area 410 on the mask plate assembly 30 is adjusted, it is re-made For the mask plate component, the PDL is re-produced on another substrate, and the position of the re-made PDL is unchanged, and the light-emitting material is vapor-deposited by using the re-made mask plate component.
- the evaporation position of the luminescent material is re-determined so that the next time the luminescent material is evaporated, the previous offset displacement can be eliminated, as shown in Figure 5. It is shown that the red light-emitting material 41 covers the PDL opening area corresponding to the red pixel, the green light-emitting material 42 covers the PDL opening area of the green pixel, and the blue light-emitting material 43 covers the PDL opening area of the blue pixel, thereby improving poor color mixing.
- the second offset displacements of the plurality of third mark points on the substrate and the plurality of third mark points are obtained. It is formed on the substrate by a plurality of second marking points when a mask material is used to vapor-deposit a film on the substrate.
- the actual formation position and the predetermined formation of the luminescent material are determined according to the first offset displacement and the second offset displacement.
- the actual offset between positions is adjusted according to the actual offset between the actual formation position of the luminescent material and the preset formation position.
- the “actually formed position” or “predetermined formation position” of the film material not only refers to the absolute position where the film material is actually formed or preset to be formed, but also may refer to the relative position of the film material relative to The relative position of the substrate or other reference object may refer, for example, to the relative position of the film material with respect to the PDL.
- FIG. 6 a flowchart of a method for adjusting a film deposition position in a film deposition process using a mask assembly according to an embodiment of the present disclosure is shown. , which can include the following steps:
- Step 501 Obtain first coordinates of a plurality of first mark points on a mask body.
- a plurality of metal strips 311 are first produced and the plurality of metal strips 311 are evenly distributed to form a plurality of opening areas on the metal strip 311 (in the figure) 3A and 3B) and a plurality of first marking points 302A, 302B.
- the first coordinates of the plurality of first mark points on the manufactured mask body 31 can be determined when designing a drawing.
- the first coordinates of the plurality of first mark points on the mask body 31 are obtained, that is, the first coordinates of the plurality of first mark points designed on the drawing when the mask body 31 is designed are obtained.
- offset displacement eg, first offset displacement, second offset displacement, actual offset displacement, etc.
- coordinates eg, first coordinates, second coordinates, etc.
- first coordinates, second coordinates, etc. refers to the coordinates of the projection of different components or locations in a plane parallel to the substrate, unless explicitly stated otherwise, That is, the coordinates of different parts or positions in the same two-dimensional coordinate system in a plane parallel to the substrate, where the origin can be any fixed point in the plane.
- two of the plurality of first marked points 302A and 302B on the reticle body 31 are formed as second marked points 312A and 312B, and wherein the first coordinates of the two first marked points 302A and 302B are first. They are (x10, y10) and (x11, y11).
- Step 502 Measure the second coordinates of a plurality of second mark points on the mask assembly.
- the prepared mask body 31 and the mask fixing frame 32 are fixed together to form a mask module 30.
- a camera may be used to collect a plurality of second mark points 312A, The second coordinate of 312B.
- the second coordinates of the second mark points 312A and 312B on the mask assembly 30 are (x20, y20) and (x21, y21), respectively.
- Step 503 Subtract the first coordinate from the second coordinate to obtain a first offset between a plurality of second mark points on the mask assembly and a plurality of first mark points on the mask body.
- the second coordinates of the plurality of second mark points 312A and 312B on the mask assembly 30 are subtracted from the first coordinates of the plurality of first mark points 302A and 302B corresponding to the mask body 31.
- a first offset between a plurality of second mark points 312A, 312B on the mask assembly 30 and a plurality of first mark points 302A, 302B on the mask body is obtained.
- the first offset displacement of the second marker point 312A And the first offset displacement of the second marker point 312B
- Step 504 Measure the third coordinates of the plurality of third mark points on the substrate.
- the luminescent material is vapor-deposited on the substrate 430 by using the mask plate assembly 30. Since a plurality of second mark points 312A and 312B are formed on the mask plate assembly 30, when the mask plate assembly 30 is used to vaporize the substrate 430, When the light-emitting material is plated, corresponding third mark points 460A and 460B are formed on the substrate 430 correspondingly. The third coordinates of the plurality of third marking points 460A, 460B on the substrate may be collected by a camera.
- the third coordinates of the third mark point 460A formed by the second mark point 312A on the substrate 430 are (x30, y30), and the third coordinates of the third mark point 460B formed by the second mark point 312B on the substrate are (x31, y31).
- Step 505 Subtract the second coordinate from the third coordinate to obtain a second offset between a plurality of third mark points on the substrate and a plurality of second mark points on the mask assembly.
- the third coordinates of the plurality of third marking points 460A and 460B on the substrate 430 are subtracted from the second coordinates of the corresponding plurality of second marking points 312A and 312B on the mask assembly 30.
- a second offset displacement of the plurality of third mark points 460A, 460B on the substrate is obtained.
- the third coordinate (x30, y30) of the third marked point 460A formed by the second marked point 312A on the substrate is subtracted from the second coordinate (x20, y20) of the second marked point 312A to obtain the second marked point.
- 312A the second offset of the third mark point 460A formed on the substrate
- Step 506 Add the first offset displacement and the second offset displacement to obtain the actual offset displacements of the plurality of third marker points.
- the second offsets of the plurality of third mark points on the substrate are added to the first offsets of the plurality of second mark points on the mask assembly to obtain a plurality of third marks.
- the actual offset of the point is added to the first offsets of the plurality of second mark points on the mask assembly to obtain a plurality of third marks.
- the first offset displacement is an offset displacement generated during the process of making a mask plate assembly during the production of the mask plate body 31 and fixing the mask plate body 31 and the mask plate fixing frame 32;
- the second offset displacement uses the mask plate assembly 30 in When the light-emitting material is vapor-deposited on the substrate 430, the offset displacement generated by the evaporation process, the offset displacement generated by the mask assembly manufacturing process, and the offset displacement generated by the evaporation process ultimately lead to the actual formation position and preset of the light-emitting material. The actual offset between the formation positions.
- the actual offset of the third mark point 460A formed by the second mark point 312A on the substrate Second mark point 312B Actual offset of the second mark 460B point formed on the substrate
- Step 507 For the first target mark point and the second target mark point among the plurality of third mark points, divide the difference between the actual offset of the second target mark point and the first target mark point by the first The number of actually formed positions of the film material between a target mark point and a second target mark point obtains a first ratio.
- the actual offset displacement of the second target mark point is subtracted from the actual offset of the first target mark point. Displacement to obtain the difference D between the second target mark point and the actual offset displacement of the first target mark point.
- N is a positive integer greater than 0, and the above-mentioned difference D is divided by N to obtain a first ratio P.
- the first target mark point is set as the third mark point 460A formed on the substrate by the second mark point 312A
- the second target mark point is set as the third mark point on the substrate by the second mark point 312B.
- 460B the difference between the actual offset of the second target mark point and the first target mark point First ratio / N. Since the difference D actually refers to the displacement difference, the calculated first ratio P is actually also a displacement vector.
- Step 508 For the actual formation position of the Mth film material between the first target mark point and the second target mark point, multiply the product of M and the first ratio, plus the actual offset displacement of the first target mark point. To obtain the actual offset between the actual formation position of the Mth film material and the preset formation position; M is a positive integer greater than 0.
- the actual offset of the point can be calculated to obtain the actual offset RM between the actual formation position of the Mth luminescent material and the preset formation position; where M is a positive integer greater than 0.
- the number of actually formed positions of the luminescent material between the first target mark point 460A and the second target mark point 460B is 3, that is, N is 3.
- the actual formation position of the second luminescent material, that is, M is 2, then
- Step 509 when the actual offset between the actual formation position of the film material and the preset formation position is within a compensable range, based on the actual offset displacement between the actual formation position of the film material and the preset formation position, The preset formation position of the film material is adjusted.
- the actual formation position of the luminescent material and the preset formation position are directly based on the actual Offset displacement to adjust the preset formation position of the luminescent material.
- the first type determining the offset displacement of the PDL based on the actual offset displacement between the actual formation position of the film material and the preset formation position; wherein the actual offset displacement between the actual formation position of the film material and the preset formation position
- the distances corresponding to the PDL offsets are equal and the directions are the same.
- the position of the PDL can be adjusted to adjust the preset formation position of the luminescent material, and according to the actual offset between the actual formation position of the luminescent material and the preset formation position Displacement, to determine the offset of the PDL.
- the actual offset displacement between the actual formation position and the preset formation position of the luminescent material is equal to the distance corresponding to the offset displacement of the PDL, and The direction is the same.
- FIG. 1 An example of the actual offset between the actual formation position of the luminescent material and the preset formation position is shown in FIG. 1. Wherein, the actual formation position of the red light-emitting material is shifted to the right, which covers the open area of the PDL of the green pixel.
- FIG. 7 An example of adjusting the offset of the PDL is shown in FIG. 7.
- the open area of the PDL corresponding to the red light emitting material and the open area of the PDL corresponding to the green light emitting material may be shifted to the lower right.
- the dotted line indicates the position before the PDL adjustment
- the solid line indicates the position after the PDL adjustment
- the distance between the solid line and the dotted line is the actual offset between the actual formation position of the luminescent material and the preset formation position.
- the second type based on the actual offset between the actual formation position of the film material and the preset formation position, determining the offset displacement of the corresponding opening area on the mask assembly; where the actual formation position of the film material and the preset formation position are The actual offset between them is equal to the distance corresponding to the offset displacement of the corresponding opening area on the mask assembly, and the directions are opposite.
- the position of the corresponding opening area on the mask plate assembly can be adjusted to adjust the predetermined formation position of the luminescent material.
- the offset displacement of the corresponding opening area on the mask assembly is determined. In order to ensure that after adjusting the position of the opening area on the mask plate assembly, when the adjusted mask plate assembly is used to evaporate the light emitting material on the substrate, the light emitting material can be accurately formed in the opening area of the PDL.
- the actual offset between the preset formation positions is equal to the distance corresponding to the offset displacement of the corresponding opening area on the mask assembly, and the directions are opposite.
- the actual formation position of the red light-emitting material in FIG. 1 is shifted to the right, and the position of the opening region on the mask assembly can be shifted to the left, that is, the position of the opening region can be adjusted to the left when the mask assembly is manufactured. .
- Step 510 When the actual offset between the actual formation position of the film material and the preset formation position is outside the compensable range, and the difference between the maximum compensated displacement corresponding to the compensable range meets the threshold, according to the maximum compensation Displacement to adjust the preset formation position of the film.
- the actual offset displacement between the actual formation position of the luminescent material and the preset formation position is outside the compensable range, when the difference between the maximum compensation displacements corresponding to the compensable range is not very large, That is, when the difference between the maximum compensation displacement and the maximum compensation displacement is less than the threshold value, it may be considered to partially adjust the preset formation position of the luminescent material.
- the first is to adjust the position of the PDL to partially adjust the preset formation position of the luminescent material.
- the second is to adjust the position of the corresponding opening area on the mask assembly. To partially adjust the predetermined formation position of the luminescent material.
- the first type determining the offset displacement of the PDL according to the maximum compensation displacement; wherein the maximum compensation displacement is equal to the distance corresponding to the offset displacement of the PDL and has the same direction.
- the second type determining the offset displacement of the corresponding opening area on the mask assembly according to the maximum compensation displacement; wherein the maximum compensation displacement is equal to the distance corresponding to the offset displacement of the corresponding opening area on the mask assembly and has the opposite direction.
- the actual offset displacement between the actual formation position of the luminescent material and the preset formation position is outside the compensable range, and the difference between the maximum compensation displacement corresponding to the compensable range does not satisfy the threshold, that is, the maximum
- the difference between the compensation displacements is greater than the threshold value, the actual displacement displacement between the actual formation position of the luminescent material and the preset formation position is too large, and color mixing still occurs after some adjustments.
- the manufacturing process of the FMM needs to be adjusted or when the mask body and the mask fixing frame are fixed, the strength of the stretching net is adjusted to Forming a mask assembly.
- the new mask plate assembly is used to evaporate the luminescent material, and the actual offset between the actual formation position of the luminescent material and the preset formation position is calculated again to adjust the preset formation position of the luminescent material. If the second offset generated by the evaporation process is large, the mask assembly and the substrate can be re-aligned, or parameters such as the evaporation angle of the light-emitting material can be adjusted to re-evaporate the light-emitting material on the substrate. After the evaporation is completed, the actual offset between the actual formation position of the luminescent material and the preset formation position is recalculated to adjust the preset formation position of the luminescent material.
- FIG. 8 an adjustment flowchart for adjusting a preset formation position of a luminescent material is shown.
- the light-emitting material is vapor-deposited in the open area of the PDL on the substrate, and the red light-emitting material, the green light-emitting material, and the blue light-emitting material are usually vapor-deposited in three times, and different mask materials are used for different light-emitting materials.
- the coordinates of the plurality of second marking points on the mask member of the red luminescent material R, the coordinates of the plurality of second marking points on the mask member of the green luminescent material G, and the blue light emission are measured, respectively.
- the coordinates of the plurality of second marked points on the mask plate assembly of the material B are measured.
- the measurement of the coordinates of the plurality of second marked points refers to the measurement of the second coordinates.
- the actual formation position and the preset formation position of the red light-emitting material R are calculated respectively.
- Actual offset displacement between, the actual offset displacement between the actual formation position of the green luminescent material G and the preset formation position, and the actual offset displacement between the actual formation position of the blue luminescent material B and the preset formation position are calculated respectively.
- the preset formation position of the luminescent material is adjusted.
- the luminescent material By re-evaporating the luminescent material to adjust the actual formation position of the luminescent material, and confirming the improvement of the color mixing phenomenon by detecting the evaporation result of the luminescent material, when the red luminescent material covers the PDL opening area of the red pixel and the green luminescent material covers When the PDL opening area of the green pixel and the blue light emitting material cover the PDL opening area of the blue pixel, the improvement of the color mixing phenomenon is good, which can be directly introduced into mass production.
- the distance between the two PDL opening areas is increased, but this will cause a reduction in the aperture ratio.
- the embodiments of the present disclosure can effectively improve the color mixing failure. Therefore, in terms of design, The distance between the two PDL opening regions can be reduced, thereby increasing the aperture ratio and increasing the life of the light emitting device.
- a plurality of first marks on the mask component are obtained.
- the evaporation position of the luminescent material is re-determined, so that the next time the luminescent material is vapor-deposited, the previous offset displacement can be eliminated, thereby improving poor color mixing.
- the distance between two PDL opening regions can be reduced, thereby increasing the aperture ratio and increasing the life of the light emitting device.
- FIG. 9 a structural block diagram of an apparatus for adjusting a film deposition position in a film deposition process using a mask assembly according to an embodiment of the present disclosure is shown.
- the mask assembly includes a mask fixing frame and a mask body fixed on the mask fixing frame.
- the apparatus 800 for adjusting the evaporation position of a film material includes:
- a first offset displacement obtaining module 801 configured to obtain a first offset displacement between a plurality of second mark points on the mask assembly and a plurality of first mark points on the mask body;
- the actual offset displacement determination module 803 is configured to determine an actual offset displacement between an actual formation position of the film material and a preset formation position according to the first offset displacement and the second offset displacement;
- FIG. 10 a structural block diagram of an apparatus for adjusting a deposition position of a film material in a film deposition process using a mask assembly according to an embodiment of the present disclosure is shown.
- the first offset and displacement acquisition module 801 includes:
- a first coordinate acquisition sub-module 8011 configured to acquire first coordinates of a plurality of first mark points on a mask body
- a second coordinate measurement sub-module 8012 configured to measure second coordinates of a plurality of second marked points on the mask assembly
- the second offset acquisition module 802 includes:
- a third coordinate measurement sub-module 8021 configured to measure third coordinates of a plurality of third marked points on the substrate
- the second offset displacement calculation sub-module 8022 is configured to subtract the second coordinate from the third coordinate to obtain a second between a plurality of third mark points on the substrate and a plurality of second mark points on the mask assembly. Offset displacement.
- the actual offset displacement determining module 803 includes:
- a first actual offset displacement calculation sub-module 8031 configured to add the first offset displacement and the second offset displacement to obtain the actual offset displacements of the plurality of third marker points;
- a first ratio calculation sub-module 8032 is configured to, for the first target mark point and the second target mark point among the plurality of third mark points, associate the second target mark point with the first target mark point. A difference between the actual offset and displacement, divided by the actual number of formed positions of the film material (for example, a luminescent material) between the first target mark point and the second target mark point to obtain a first ratio; as well as
- the second actual offset displacement calculation sub-module 8033 is configured to multiply the product of M and the first ratio for the actual formation position of the Mth film material between the first target mark point and the second target mark point.
- the actual offset of the first target mark point is used to obtain the actual offset between the actual formation position of the Mth film material and the preset formation position; M is a positive integer greater than 0.
- the formation position adjustment module 804 includes:
- the first formation position adjustment sub-module 8041 is configured to be based on the actual formation position of the film material and the preset formation position when the actual offset between the actual formation position of the film material and the preset formation position is within a compensable range. The actual offset between the two, adjust the preset position of the film material;
- the second formation position adjustment sub-module 8042 is configured when the actual offset between the actual formation position of the film material and the preset formation position is outside the compensable range, and between When the difference value meets the threshold, the preset formation position of the film material is adjusted according to the maximum compensation displacement.
- the first offset displacement determining unit 80411 is configured to determine an offset displacement of the PDL based on an actual offset displacement between the actual formation position of the film material and a preset formation position;
- the actual displacement between the actual formation position of the film material and the preset formation position is equal to the distance corresponding to the displacement displacement of the PDL, and the directions are the same;
- the second formation position adjustment sub-module 8042 includes:
- a second offset displacement determining unit 80421, configured to determine an offset displacement of the PDL according to a maximum compensation displacement
- the maximum compensation displacement is equal to the distance corresponding to the offset displacement of the PDL and has the same direction.
- the first formation position adjustment sub-module 8041 includes:
- the third offset displacement determining unit 80412 is configured to determine the offset displacement of the corresponding opening area on the mask assembly based on the actual offset displacement between the actual formation position of the film material and the preset formation position;
- the actual displacement between the actual formation position of the film material and the preset formation position is equal to the distance corresponding to the displacement displacement of the corresponding opening area on the mask assembly, and the directions are opposite;
- the second formation position adjustment sub-module 8042 includes:
- the fourth offset displacement determining unit 80422 is configured to determine the offset displacement of the corresponding opening area on the mask assembly according to the maximum compensation displacement
- the maximum compensation displacement is equal to the distance corresponding to the displacement displacement of the corresponding opening area on the mask assembly, and the directions are opposite.
- the second offset displacements of the plurality of third mark points on the substrate are obtained.
- a mask plate component is used to vapor-deposit a film on a substrate
- a plurality of second marking points are formed on the substrate, and the actual formation position and the predetermined formation position of the luminescent material are determined according to the first offset displacement and the second offset displacement.
- the actual offset displacement between the two is adjusted according to the actual offset displacement between the actual formation position of the luminescent material and the preset formation position.
Abstract
Description
Claims (14)
- 一种在利用掩模板组件的蒸镀膜材工艺中调整膜材蒸镀位置的方法,其中所述掩模板组件包括掩模板固定框架以及固定在所述掩模板固定框架上的掩模板本体,所述方法包括:获取掩模板组件上的多个第二标记点与掩模板本体上的多个第一标记点之间的第一偏移位移;获取基板上的多个第三标记点与掩模板组件上的多个第二标记点之间的第二偏移位移,其中所述多个第三标记点是当采用所述掩模板组件在所述基板上蒸镀膜材时由所述多个第二标记点在所述基板上形成的;根据所述第一偏移位移和所述第二偏移位移,确定所述膜材的实际形成位置与预设形成位置之间的实际偏移位移;以及根据所述膜材的实际形成位置与预设形成位置之间的实际偏移位移,对所述膜材的预设形成位置进行调整。
- 根据权利要求1所述的方法,其中所述获取掩模板组件上的多个第二标记点与掩模板本体上的多个第一标记点之间的第一偏移位移的步骤,包括:获取掩模板本体上的多个第一标记点的第一坐标;测量掩模板组件上的多个第二标记点的第二坐标;以及将所述第二坐标减去所述第一坐标,得到掩模板组件上的多个第二标记点与掩模板本体上的多个第一标记点之间的第一偏移位移。
- 根据权利要求2所述的方法,其中所述获取基板上的多个第三标记点与掩模板组件上的多个第二标记点之间的第二偏移位移的步骤,包括:测量基板上的多个第三标记点的第三坐标;以及将所述第三坐标减去所述第二坐标,得到基板上的多个第三标记点与掩模板组件上的多个第二标记点之间的第二偏移位移。
- 根据权利要求1所述的方法,其中所述根据所述第一偏移位移和所述第二偏移位移,确定所述膜材的实际形成位置与预设形成位置之间的实际偏移位移的步骤,包括:将所述第一偏移位移加上所述第二偏移位移,得到所述多个第三 标记点的实际偏移位移;针对所述多个第三标记点中的第一目标标记点和第二目标标记点,将所述第二目标标记点与所述第一目标标记点的实际偏移位移之间的差值,除以所述第一目标标记点和所述第二目标标记点之间的膜材的实际形成位置数量,得到第一比值;以及针对所述第一目标标记点和所述第二目标标记点之间的第M个膜材的实际形成位置,将M与所述第一比值的乘积,再加上所述第一目标标记点的实际偏移位移,得到所述第M个膜材的实际形成位置与预设形成位置之间的实际偏移位移;M为大于0的正整数。
- 根据权利要求1所述的方法,其中所述根据所述膜材的实际形成位置与预设形成位置之间的实际偏移位移,对所述膜材的预设形成位置进行调整的步骤,包括:当所述膜材的实际形成位置与预设形成位置之间的实际偏移位移位于可补偿范围内时,基于所述膜材的实际形成位置与预设形成位置之间的实际偏移位移,对所述膜材的预设形成位置进行调整;以及当所述膜材的实际形成位置与预设形成位置之间的实际偏移位移位于可补偿范围外,且与所述可补偿范围对应的最大补偿位移之间的差值满足阈值时,根据所述最大补偿位移,对所述膜材的预设形成位置进行调整。
- 根据权利要求5所述的方法,其中所述基于所述膜材的实际形成位置与预设形成位置之间的实际偏移位移,对所述膜材的预设形成位置进行调整的步骤,包括:基于所述膜材的实际形成位置与预设形成位置之间的实际偏移位移,确定像素界定层的偏移位移;其中所述膜材的实际形成位置与预设形成位置之间的实际偏移位移与所述像素界定层的偏移位移对应的距离相等,且方向相同;以及所述根据所述最大补偿位移,对所述膜材的预设形成位置进行调整的步骤,包括:根据所述最大补偿位移,确定像素界定层的偏移位移;其中所述最大补偿位移与所述像素界定层的偏移位移对应的距离相等,且方向相同。
- 根据权利要求5所述的方法,其中所述基于所述膜材的实际形 成位置与预设形成位置之间的实际偏移位移,对所述膜材的预设形成位置进行调整的步骤,包括:基于所述膜材的实际形成位置与预设形成位置之间的实际偏移位移,确定所述掩模板组件上对应开口区域的偏移位移;其中所述膜材的实际形成位置与预设形成位置之间的实际偏移位移与所述掩模板组件上对应开口区域的偏移位移对应的距离相等,且方向相反;以及所述根据所述最大补偿位移,对所述膜材的预设形成位置进行调整的步骤,包括:根据所述最大补偿位移,确定所述掩模板组件上对应开口区域的偏移位移;其中所述最大补偿位移与所述掩模板组件上对应开口区域的偏移位移对应的距离相等,且方向相反。
- 一种在利用掩模板组件的蒸镀膜材工艺中调整膜材蒸镀位置的装置,其中所述掩模板组件包括掩模板固定框架以及固定在所述掩模板固定框架上的掩模板本体,所述装置包括:第一偏移位移获取模块,被配置为获取掩模板组件上的多个第二标记点与掩模板本体上的多个第一标记点之间的第一偏移位移;第二偏移位移获取模块,被配置为获取基板上的多个第三标记点与掩模板组件上的多个第二标记点之间的第二偏移位移,其中所述多个第三标记点是当采用所述掩模板组件在所述基板上蒸镀膜材时由所述多个第二标记点在所述基板上形成的;实际偏移位移确定模块,被配置为根据所述第一偏移位移和所述第二偏移位移,确定所述膜材的实际形成位置与预设形成位置之间的实际偏移位移;以及形成位置调整模块,被配置为根据所述膜材的实际形成位置与预设形成位置之间的实际偏移位移,对所述膜材的预设形成位置进行调整。
- 根据权利要求8所述的装置,其中所述第一偏移位移获取模块包括:第一坐标获取子模块,被配置为获取掩模板本体上多个第一标记点的第一坐标;第二坐标测量子模块,被配置为测量掩模板组件上的多个第二标记点的第二坐标;以及第一偏移位移计算子模块,被配置为将所述第二坐标减去所述第一坐标,得到所述掩模板组件上的多个第二标记点与掩模板本体上的多个第一标记点之间的第一偏移位移。
- 根据权利要求9所述的装置,其中所述第二偏移位移获取模块包括:第三坐标测量子模块,被配置为测量基板上的多个第三标记点的第三坐标;以及第二偏移位移计算子模块,被配置为将所述第三坐标减去所述第二坐标,得到基板上的多个第三标记点与掩模板组件上的多个第二标记点之间的第二偏移位移。
- 根据权利要求8所述的装置,其中所述实际偏移位移确定模块包括:第一实际偏移位移计算子模块,被配置为将所述第一偏移位移加上所述第二偏移位移,得到所述多个第三标记点的实际偏移位移;第一比值计算子模块,被配置为针对所述多个第三标记点中的第一目标标记点和第二目标标记点,将所述第二目标标记点与所述第一目标标记点的实际偏移位移之间的差值,除以所述第一目标标记点和所述第二目标标记点之间的膜材的实际形成位置数量,得到第一比值;以及第二实际偏移位移计算子模块,被配置为针对所述第一目标标记点和所述第二目标标记点之间的第M个膜材的实际形成位置,将M与所述第一比值的乘积,再加上所述第一目标标记点的实际偏移位移,得到所述第M个膜材的实际形成位置与预设形成位置之间的实际偏移位移;M为大于0的正整数。
- 根据权利要求8所述的装置,其中所述形成位置调整模块包括:第一形成位置调整子模块,被配置为当所述膜材的实际形成位置与预设形成位置之间的实际偏移位移位于可补偿范围内时,基于所述膜材的实际形成位置与预设形成位置之间的实际偏移位移,对所述膜材的预设形成位置进行调整;以及第二形成位置调整子模块,被配置为当所述膜材的实际形成位置 与预设形成位置之间的实际偏移位移位于可补偿范围外,且与所述可补偿范围对应的最大补偿位移之间的差值满足阈值时,根据所述最大补偿位移,对所述膜材的预设形成位置进行调整。
- 根据权利要求12所述的装置,其中所述第一形成位置调整子模块包括:第一偏移位移确定单元,被配置为基于所述膜材的实际形成位置与预设形成位置之间的实际偏移位移,确定像素界定层的偏移位移;其中所述膜材的实际形成位置与预设形成位置之间的实际偏移位移与所述像素界定层的偏移位移对应的距离相等,且方向相同;以及所述第二形成位置调整子模块包括:第二偏移位移确定单元,被配置为根据所述最大补偿位移,确定像素界定层的偏移位移;其中所述最大补偿位移与所述像素界定层的偏移位移对应的距离相等,且方向相同。
- 根据权利要求12所述的装置,其中所述第一形成位置调整子模块包括:第三偏移位移确定单元,被配置为基于所述膜材的实际形成位置与预设形成位置之间的实际偏移位移,确定所述掩模板组件上对应开口区域的偏移位移;其中所述膜材的实际形成位置与预设形成位置之间的实际偏移位移与所述掩模板组件上对应开口区域的偏移位移对应的距离相等,且方向相反;以及所述第二形成位置调整子模块包括:第四偏移位移确定单元,被配置为根据所述最大补偿位移,确定所述掩模板组件上对应开口区域的偏移位移;其中所述最大补偿位移与所述掩模板组件上对应开口区域的偏移位移对应的距离相等,且方向相反。
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