CN212864938U - Mask frame assembly - Google Patents
Mask frame assembly Download PDFInfo
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- CN212864938U CN212864938U CN202021558136.1U CN202021558136U CN212864938U CN 212864938 U CN212864938 U CN 212864938U CN 202021558136 U CN202021558136 U CN 202021558136U CN 212864938 U CN212864938 U CN 212864938U
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- mask frame
- mounting
- mask
- fixing
- component
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Abstract
The utility model relates to a mask frame component, which comprises a mask frame, a mask sheet, a first sunken part, a second sunken part, a first mounting part and a second mounting part; the first sunken part and the second sunken part are respectively and symmetrically arranged at two sides of the mask frame; the first mounting component is arranged in the first concave part, and the second mounting component is arranged in the second concave part; one end of the mask sheet is connected with the first mounting component, and the other end of the mask sheet is connected with the second mounting component; the mask frame is made of a non-metal material; the first mounting component and the second mounting component are made of metal materials. The utility model discloses a mask frame subassembly has improved the anti deformability of mask frame, ensures the precision of trompil position, reduces mask frame deformation by a wide margin, and the deformation volume that mask frame produced is very little, and the atress deformation influence diminishes for the anti deformability of mask frame strengthens, improves the precision and the yield of product.
Description
Technical Field
The utility model relates to a show technical field, in particular to mask frame subassembly.
Background
An organic Light Emitting display (oled), i.e., an organic Light Emitting display (oled display), has a display panel with advantages of thin thickness, low power consumption, flexibility, flexible display, etc., and has become a development trend of next-generation panel displays in recent years.
In the existing OLED panel, an evaporation source is utilized to heat and evaporate organic materials in a vacuum environment, the organic materials penetrate through glass at the position of an opening on a metal mask plate to form a thin film position, the position of a film forming needs to be a specified light-emitting position on a substrate, and current of the substrate can be effectively transmitted to an OLED device to emit light, so that the accuracy of the opening position of the metal mask plate is very important. The accuracy of the position of the opening on the metal mask (the position accuracy of a mobile phone screen is +/-3 μm in general) mainly depends on the assembly accuracy of the metal mask and the opening accuracy of the metal mask (one mask is composed of 6-8 masks in general). As shown in fig. 1, the metal mask plate needs to undergo repeated actions of "upper mask frame, upper mask sheet, stretching mask sheet, aligning, and welding mask sheet to mask frame" during assembly, and the metal mask sheets are assembled one by one. However, when the mask to be stretched is welded to the mask frame, a tensile force is transferred to the metal mask frame, and the metal mask frame is deformed due to a stress, so that the position of the opening in the metal mask deviates to the center of the metal mask frame, as shown in fig. 2.
In the mesh stretching process of the metal mask plate in the prior art, because the metal mask plates can generate contraction force after mesh stretching welding, under the influence of the contraction force of a plurality of metal mask plates, the frame of the metal mask frame can deform, as shown in fig. 2; the variable surpasses the control scope, reduces the precision and the yield of product, influences subsequent coating by vaporization process, including coating by vaporization colour mixture, coating by vaporization skew etc.. Therefore, the technical problem of stress deformation of the metal mask frame needs to be solved.
SUMMERY OF THE UTILITY MODEL
Therefore, a mask frame assembly needs to be provided for solving the technical problems that in the prior art, a metal mask plate can generate contraction force after being welded, the frame of the metal mask frame can deform under the influence of the contraction force of a plurality of metal mask plates, the variable exceeds the control range, the precision and yield of a product are reduced, the subsequent evaporation process is influenced, and the mask frame assembly comprises evaporation color mixing, evaporation deviation and the like.
In order to achieve the above object, the inventors provide a mask frame assembly including a mask frame, a mask sheet, a first recess, a second recess, a first mounting member, and a second mounting member;
the first sunken part and the second sunken part are symmetrically arranged on two sides of the mask frame respectively;
the first mounting member is disposed in the first recess and the second mounting member is disposed in the second recess;
one end of the mask sheet is connected with the first mounting component, and the other end of the mask sheet is connected with the second mounting component;
the mask frame is made of a non-metal material;
the first mounting component and the second mounting component are both made of metal materials.
As an optimal structure of the utility model, the mask frame is made of marble or ceramic.
As a preferable structure of the present invention, the first mounting member and the second mounting member are made of an iron-nickel alloy.
As a preferred structure of the present invention, there are more than two first recesses;
the number of the second concave parts is more than two;
the first concave parts and the second concave parts are symmetrically arranged on two sides of the mask frame respectively.
As a preferable structure of the present invention, there are more than two first mounting parts;
more than two second mounting parts are arranged;
the first mounting parts are arranged in the first concave parts, and the second mounting parts are arranged in the second concave parts.
As a preferred structure of the present invention, the number of the masking sheets is two or more;
one end of each of the two or more masking sheets is connected to the two or more first mounting members, and the other end of each of the two or more masking sheets is connected to the two or more second mounting members.
As an optimal structure of the present invention, the mask frame assembly further includes a fixing member for fixing the first mounting member and the second mounting member.
As a preferable structure of the present invention, the fixing member includes a first fixing member and a second fixing member;
the first mounting component is connected with the mask frame through the first fixing component;
the first fixing part is used for fixing the first mounting part;
the second mounting component is connected with the mask frame through the second fixing component;
the second fixing member is used for fixing the second mounting member.
As an optimized structure of the present invention, the first mounting part and the second mounting part are respectively provided with a plurality of holes.
As an optimized structure of the utility model, the mask is provided with an opening.
Different from the prior art, the beneficial effects of the technical scheme are as follows: the mask frame assembly comprises a mask frame, a mask sheet, a first sunken part, a second sunken part, a first mounting part and a second mounting part; the first sunken part and the second sunken part are respectively and symmetrically arranged at two sides of the mask frame; the first mounting component is arranged in the first concave part, and the second mounting component is arranged in the second concave part; one end of the mask sheet is connected with the first mounting component, and the other end of the mask sheet is connected with the second mounting component; the mask frame is made of a non-metal material; the first mounting component and the second mounting component are made of metal materials. The utility model discloses a mask frame subassembly has improved the anti deformability of mask frame, ensures the precision of trompil position, reduces mask frame deformation by a wide margin, and the deformation volume that mask frame produced is very little, and the atress deformation influence diminishes for the anti deformability of mask frame strengthens, improves the precision and the yield of product.
Drawings
FIG. 1 is a schematic view of a prior art metal mask frame before welding;
FIG. 2 is a schematic diagram of a metal mask frame after welding in the prior art;
FIG. 3 is one of the schematic diagrams of the mask frame assembly before welding according to the embodiment;
FIG. 4 is a second schematic view of the mask frame assembly according to the second embodiment before welding;
FIG. 5 is a schematic view of the mask frame assembly according to the embodiment after welding;
FIG. 6 is a schematic partial cross-sectional view of a mask frame assembly according to an embodiment;
FIG. 7 is one of the partial schematic views of a mask frame assembly according to an embodiment;
FIG. 8 is a second partial schematic view of the mask frame assembly according to the second embodiment;
fig. 9 is a second partial cross-sectional view of the mask frame assembly according to the second embodiment.
Description of reference numerals:
1. a mask frame is arranged on the upper surface of the frame,
2. the number of the mask sheets is set to be,
3. a first concave part which is arranged at the bottom of the first groove,
4. a second concave part is arranged on the outer side of the first concave part,
5. a first mounting member for mounting the first mounting member,
6. a second mounting member for mounting the second mounting member,
7. a fixing member for fixing the fixing member to the fixing member,
8. the holes are arranged on the outer surface of the shell,
9. and a tool is taken and placed.
Detailed Description
To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
In the description of the present application, unless explicitly stated or limited otherwise, the terms "first", "second", and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless specified or indicated otherwise; the terms "connected," "fixed," and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, integrally connected, or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present application, it should be understood that the terms "upper", "lower", "left", "right", and the like used in the embodiments of the present application are described with reference to the angles shown in the drawings, and should not be construed as limiting the embodiments of the present application. In addition, in this context, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on "or" under "the other element or be indirectly on" or "under" the other element via an intermediate element.
Referring to fig. 3 to 9, the present embodiment relates to a mask frame assembly, which includes a mask frame 1, a mask sheet 2, a first recess portion 3, a second recess portion 4, a first mounting member 5, and a second mounting member 6; the first recessed portion 3 and the second recessed portion 4 are symmetrically disposed on two sides of the mask frame 1, specifically, in this embodiment, as shown in fig. 3, the first recessed portion 3 and the second recessed portion 4 are rectangular grooves. In the present embodiment, there is no special requirement for the shape selection of the first recess 3 and the second recess 4, and the conventional selection in the field is referred to; in other embodiments, the first and second recesses 3 and 4 may also be circular grooves.
Preferably, in the present embodiment, as shown in fig. 3, there are more than two first recesses 3; the number of the second concave parts 4 is more than two; the first concave parts 3 and the second concave parts 4 are symmetrically arranged on two sides of the mask frame 1 respectively. In the present embodiment, the number of the first recessed portions 3 and the second recessed portions 4 is not limited.
Further, in some embodiments, as shown in fig. 3 to 5, the mask frame 1 is made of a non-metal material; preferably, in this embodiment, the mask frame 1 is made of marble, and in other embodiments, the mask frame 1 may also be made of ceramic. For mask frame 1 by the iron-nickel alloy (intensity is less among the prior art, and is easily influenced by the atress, produces deformation) and make, mask frame 1 by nonmetal (marble, pottery etc.) make has anti deformability, ensures advantages such as the precision of trompil position. The strength of the ceramic and marble materials is high, so that the strength of the whole mask frame 1 is high, and the deformation and the small influence of the inner frame of the mask frame 1 are ensured; after the mask sheet 2, the first mounting part 5 and the second mounting part 6 are welded, even if inward contraction force is generated, the deformation amount of the mask frame 1 is greatly reduced due to the fact that the strength of marble and ceramic materials is large enough, the deformation amount generated by the mask frame 1 is very small, the stress deformation influence of the mask frame 1 is reduced, the anti-deformation capacity of the mask frame 1 is enhanced, and the accuracy problem of net tensioning is solved. And the thermal expansion coefficients of the ceramic and the marble are small, so that the thermal expansion coefficient of the material of the whole mask frame 1 is small, and the mask frame 1 is ensured to be less influenced by temperature during evaporation. It should be noted that, in this embodiment, the material of the mask frame 1 is not limited to marble and ceramic, and other non-metal mask frames 1 may also be used.
Further, in some embodiments, as shown in fig. 3-5, the first mounting member 5 is disposed in the first recess 3, and the second mounting member 6 is disposed in the second recess 4; one end of the mask sheet 2 is connected to the first mounting member 5, and the other end of the mask sheet 2 is connected to the second mounting member 6. Specifically, one end of the mask sheet 2 is fixed to the first mounting member 5 by welding, and the other end of the mask sheet 2 is fixed to the second mounting member 6 by welding.
Further, in some embodiments, the first mounting component 5 and the second mounting component 6 are made of a metal material, and the mask sheet 2 is made of a metal material. Preferably, in the present embodiment, the first mounting member 5 and the second mounting member 6 are each made of an iron-nickel alloy. The first mounting component 5 and the second mounting component 6 are made of iron-nickel alloy, so that the first mounting component 5 and the second mounting component 6 have low thermal expansion coefficients, and the expanded first mounting component 5 and the expanded second mounting component 6 cannot expand due to the influence of temperature in the evaporation process; and the first mounting part 5 and the second mounting part 6 which are made of iron-nickel alloy materials are convenient to weld with the metal mask sheet 2, so that the firmness of the metal mask sheet is ensured.
Preferably, in the present embodiment, as shown in fig. 3 to 5, there are more than two first mounting members 5; the number of the second mounting parts 6 is more than two; the two or more first mounting members 5 are respectively disposed in the two or more first recessed portions 3, and the two or more second mounting members 6 are respectively disposed in the two or more second recessed portions 4. The shape of the first mounting component 5 and the second mounting component 6 is adapted to the shape of the first recess 3 and the second recess 4 such that the first mounting component 5 can be fixedly arranged in the first recess 3 and the second mounting component 6 can be fixedly arranged in the second recess 4. In the present embodiment, there is no special requirement for the shape selection of the first mounting component 5 and the second mounting component 6, and the conventional selection in the field may be referred to; in the present embodiment, the first mounting member 5 and the second mounting member 6 are rectangular in shape. In the present embodiment, the number of the first mounting members 5 and the second mounting members 6 is not limited.
Further, in some embodiments, as shown in fig. 8, a plurality of holes 8 are respectively formed on the first mounting part 5 and the second mounting part 6, and specifically, in this embodiment, two holes 8 are respectively formed on the first mounting part 5 and the second mounting part 6. The first mounting component 5 and the second mounting component 6 are respectively provided with a plurality of screw holes 8, so that the first mounting component 5 and the second mounting component 6 can be conveniently locked and placed with the help of the placing and placing tool 9, the first mounting component 5 and the second mounting component 6 can be ensured to be locked, the firmness is improved, and the convenience of replacing the first mounting component 5 and the second mounting component 6 and polishing welding spots can be conveniently realized. Compared with the prior art that the integral welding spot is complicated to polish, the embodiment is more convenient; the polishing times of the welding spots of the mask frame 1 in the prior art are limited, the polishing times are related to the thickness of the metal mask frame 1, and the mask frame assembly can only be scrapped after the polishing times are used up, the first mounting part 5 and the second mounting part 6 can be detached from the mask frame assembly, and after the polishing times are used up, the first mounting part 5 and the second mounting part 6 can be replaced, so that the utilization rate of the mask frame 1 is improved, and the production cost is reduced. It should be noted that, in the present embodiment, the design of the hole 8 is not limited to the ones shown in the drawings, and in other embodiments, other ways of designing the hole 8 may also be adopted.
Further, in some embodiments, the mask sheet 2 is provided with an opening. Preferably, in the present embodiment, as shown in fig. 5, the mask sheet 2 has two or more sheets; one end of each of the two or more masking sheets 2 is connected to the two or more first mounting members 5, and the other end of each of the two or more masking sheets 2 is connected to the two or more second mounting members 6. It should be noted that, in the present embodiment, the number of the mask sheets 2 is not limited.
Further, in some embodiments, as shown in fig. 6 to 9, the mask frame assembly 1 further includes a fixing part 7, and the fixing part 7 is used for fixing the first mounting part 5 and the second mounting part 6. Preferably, the fixing member 7 includes a first fixing member 7 and a second fixing member 7; the first mounting part 5 is connected with the mask frame 1 through the first fixing part 7; the first fixing part 7 is used for fixing the first mounting part 5; the second mounting part 6 is connected with the mask frame 1 through the second fixing part 7; the second fixing member 7 is for fixing the second mounting member 6. Specifically, the first fixing member 7 and the second fixing member 7 are provided to ensure close contact between the first mounting member 5 and the second mounting member 6 and the mask frame 1 body, thereby preventing looseness or the like due to welding. Preferably, in this embodiment, the first fixing part 7 and the second fixing part 7 may be screws or bolts, and in other embodiments, fixing manners may also be selected. It should be noted that the structure of the fixing member 7 of the present embodiment is not limited to this, and those skilled in the art can select other suitable fixing members 7 according to the teaching of the present embodiment.
Specifically, first depressed part 3, second depressed part 4 set up in the both sides of mask frame 1 respectively symmetrically, first installing component 5, second installing component 6 are located respectively in first depressed part 3, second depressed part 4, and first installing component 5 and second installing component 6 all choose for use iron-nickel alloy to make, and iron-nickel alloy it has low thermal expansion coefficient, and in the coating by vaporization technology process, first installing component 5 after the net is stretched, second installing component 6 can not receive the temperature influence to lead to the inflation. The mask frame 1 made of nonmetal (marble, ceramic, etc.) has the advantages of deformation resistance, ensuring the accuracy of the position of the hole, etc. The strength of the ceramic and marble materials is high, so that the strength of the whole mask frame 1 is high, and the deformation and the small influence of the inner frame of the mask frame 1 are ensured; when the mask piece 2 and the first installation part 5 and the second installation part 6 are welded, even if inward contraction force is generated, the deformation amount of the mask frame 1 is greatly reduced due to the fact that the strength of marble and ceramic materials is large enough, the deformation amount generated by the mask frame 1 is very small, the stress deformation influence of the mask frame 1 is reduced, the anti-deformation capacity of the mask frame 1 is enhanced, the precision problem of net tensioning is solved, the precision and yield of products are improved, and the stable operation of a subsequent evaporation process is ensured. And the thermal expansion coefficients of the ceramic and the marble are small, so that the thermal expansion coefficient of the material of the whole mask frame 1 is small, and the mask frame 1 is ensured to be less influenced by temperature during evaporation. And the first mounting part 5 and the second mounting part 6 which are made of iron-nickel alloy materials are convenient to weld with the metal mask sheet 2, so that the firmness of the metal mask sheet is ensured.
It should be noted that, although the above embodiments have been described herein, the scope of the present invention is not limited thereby. Therefore, based on the innovative concept of the present invention, the changes and modifications of the embodiments described herein, or the equivalent structure or equivalent process changes made by the contents of the specification and the drawings of the present invention, directly or indirectly apply the above technical solutions to other related technical fields, all included in the protection scope of the present invention.
Claims (10)
1. A mask frame assembly, characterized in that: the mask comprises a mask frame, a mask sheet, a first sunken part, a second sunken part, a first mounting part and a second mounting part;
the first sunken part and the second sunken part are symmetrically arranged on two sides of the mask frame respectively;
the first mounting member is disposed in the first recess and the second mounting member is disposed in the second recess;
one end of the mask sheet is connected with the first mounting component, and the other end of the mask sheet is connected with the second mounting component;
the mask frame is made of a non-metal material;
the first mounting component and the second mounting component are both made of metal materials.
2. The mask frame assembly of claim 1, wherein: the mask frame is made of marble or ceramic.
3. The mask frame assembly of claim 1, wherein: the first mounting member and the second mounting member are each made of an iron-nickel alloy.
4. The mask frame assembly of claim 1, wherein: the number of the first concave parts is more than two;
the number of the second concave parts is more than two;
the first concave parts and the second concave parts are symmetrically arranged on two sides of the mask frame respectively.
5. The mask frame assembly of claim 4, wherein: the number of the first mounting parts is more than two;
more than two second mounting parts are arranged;
the first mounting parts are arranged in the first concave parts, and the second mounting parts are arranged in the second concave parts.
6. The mask frame assembly of claim 5, wherein: the number of the masking films is more than two;
one end of each of the two or more masking sheets is connected to the two or more first mounting members, and the other end of each of the two or more masking sheets is connected to the two or more second mounting members.
7. The mask frame assembly of claim 1 or 5, wherein: the mask frame assembly further comprises a fixing part for fixing the first mounting part and the second mounting part.
8. The mask frame assembly of claim 7, wherein: the fixing part comprises a first fixing part and a second fixing part;
the first mounting component is connected with the mask frame through the first fixing component;
the first fixing part is used for fixing the first mounting part;
the second mounting component is connected with the mask frame through the second fixing component;
the second fixing member is used for fixing the second mounting member.
9. The mask frame assembly of claim 1 or 5, wherein: the first mounting part and the second mounting part are respectively provided with a plurality of holes.
10. The mask frame assembly of claim 1 or 6, wherein: the mask sheet is provided with an opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021558136.1U CN212864938U (en) | 2020-07-31 | 2020-07-31 | Mask frame assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021558136.1U CN212864938U (en) | 2020-07-31 | 2020-07-31 | Mask frame assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212864938U true CN212864938U (en) | 2021-04-02 |
Family
ID=75219313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021558136.1U Active CN212864938U (en) | 2020-07-31 | 2020-07-31 | Mask frame assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212864938U (en) |
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2020
- 2020-07-31 CN CN202021558136.1U patent/CN212864938U/en active Active
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