Crucible for OLED evaporation

Abstract

The utility model discloses a crucible for OLED (Organic Light Emitting Diode) evaporation, which comprises an integrated crucible and a crucible support, the integrated crucible comprises an integrated crucible body, and a sand blasting layer is arranged on the side wall of the integrated crucible body; the crucible support comprises a crucible support body, an opening is formed in the upper end of the crucible support body, the interior of the crucible support body is of a hollow structure, and the bottom of the integrated crucible body is installed at the upper end of the crucible support body; the bottom of the integrated crucible body and the upper end of the crucible supporting body are connected in a fixed mode. According to the utility model, the split type crucible is arranged to be the integrated crucible, so that the temperature uniformity of the crucible is improved, and the wall thickness of the crucible is increased, so that the crucible is prevented from being deformed during processing, and the condition that wall breaking occurs after the crucible is used for a period of time is avoided; and meanwhile, the integral crucible is made of a pure titanium material, so that the high-temperature resistance and the corrosion resistance are improved, and the service life of the crucible is prolonged.

Description

Technical Field

[0001] The utility model belongs to the technical field of OLED evaporation coating, and particularly relates to a crucible for OLED evaporation coating. Background Art

[0002] An OLED evaporation coating device refers to equipment for evaporating and forming an OLED material into a light-emitting device. OLED evaporation coating is an important process technology in the OLED production process and a key factor restricting production capacity. Among them, the evaporation coating crucible is a frequently used device in evaporation coating.

[0003] The existing crucibles have the following problems when in use: The crucible is a split crucible, and the small crucible is placed inside the integral crucible body, resulting in poor temperature uniformity and difficult assembly; at the same time, the wall thickness of the crucible is small, and it is easy to deform during processing, affecting the use effect, and there will also be a wall-breaking phenomenon after using for a period of time; the small crucible is usually made of stainless steel, affecting the service life.

[0004] The information disclosed in this background art section is only intended to enhance the overall understanding of the utility model and should not be regarded as an admission or any form of suggestion that this information constitutes prior art already known to those of ordinary skill in the art. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a crucible for OLED evaporation coating, which can solve the problems of poor temperature uniformity, easy deformation during processing and short service life existing in the existing crucibles when in use.

[0006] In order to achieve the above purpose, the technical solution provided by a specific embodiment of the utility model is as follows:

[0007] A crucible for OLED evaporation coating, comprising:

[0008] An integral crucible, including an integral crucible body, and a sandblasting layer is arranged on the side wall of the integral crucible body. The split crucible is set as an integral crucible, and the wall thickness of the integral crucible is thickened, thereby increasing the strength of the integral crucible, so that deformation problems can be basically avoided during processing, and there will be no wall-breaking situation after using the integral crucible for a period of time. At the same time, the integral crucible makes the temperature distribution in the crucible uniform, and makes the assembly of the crucible convenient. Through the sandblasting layer, the effect of the evaporation coating process in the integral crucible can be significantly improved.

[0009] Crucible support, including a crucible support body, the upper end of the crucible support body is set as an opening, the inside of the crucible support body is set as a hollow structure, the bottom of the integrated crucible body is installed at the upper end of the crucible support body, and the bottom of the integrated crucible body and the upper end of the crucible support body are connected in a fixed manner. The crucible support body is used to support the integrated crucible body. The connection between the crucible support body and the integrated crucible body is fixedly connected, so that the connection between the crucible support body and the integrated crucible body is stable, and thus the support of the crucible support body for the integrated crucible body is stable.

[0010] In one or more embodiments of the present invention, the sandblasted layer is provided on the side wall of the integrated crucible body by spraying, so that the outer surface of the integrated crucible is provided with a sandblasted layer. Through sandblasting, the effect of the evaporation coating process in the integrated crucible can be significantly improved.

[0011] In one or more embodiments of the present invention, the integrated crucible body is made of pure titanium material. Since the pure titanium material has high temperature resistance and good corrosion resistance, the service life of the integrated crucible body can be improved.

[0012] In one or more embodiments of the present invention, a plurality of partition plates are fixedly connected inside the integrated crucible body. The plurality of partition plates are fixedly connected to the inside of the integrated crucible body by an integrally formed method. By partitioning the integrated crucible body with the partition plates, the evaporation coating efficiency of the integrated crucible body can be improved.

[0013] In one or more embodiments of the present invention, a connection port is integrally formed at the upper end of the integrated crucible body, and a plurality of mounting holes are provided on the connection port. The connection port is used to install a cover plate to seal the inside of the integrated crucible body, and the mounting holes facilitate the connection between the connection port and the cover plate.

[0014] In one or more embodiments of the present invention, the bottom of the integrated crucible body and the upper end of the crucible support body are fixedly connected by welding, so that the connection between the integrated crucible body and the crucible support body is firm.

[0015] In one or more embodiments of the present invention, the crucible support body is made of pure titanium material. Since the pure titanium material has high temperature resistance and good corrosion resistance, the service life of the crucible support body can be improved.

[0016] In one or more embodiments of the present invention, reserved holes are provided on the lower sides of the left and right side walls of the crucible support body, so that the inside of the crucible support body can be easily cleaned through the crucible support body.

[0017] Compared with the prior art, the utility model improves the temperature uniformity of the crucible by setting the split crucible as an integral crucible, and increases the wall thickness of the crucible, so as to avoid deformation during crucible processing and prevent the crucible wall from breaking after a period of use. At the same time, the integral crucible is made of pure titanium material as a whole, which improves the high temperature resistance and corrosion resistance and increases the service life of the crucible. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for description in the embodiments or the prior art. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0019] Figure 1 is a three-dimensional view of a crucible for OLED evaporation coating in an embodiment of the present utility model Figure 1 ;

[0020] Figure 2 is a three-dimensional view of a crucible for OLED evaporation coating in an embodiment of the present utility model Figure 2 ;

[0021] Figure 3 is a front sectional view of a crucible for OLED evaporation coating in an embodiment of the present utility model;

[0022] Figure 4 is a right sectional view of a crucible for OLED evaporation coating in an embodiment of the present utility model;

[0023] Figure 5 is a schematic diagram of an integral crucible in an embodiment of the present utility model;

[0024] Figure 6 is a schematic diagram of a crucible support in an embodiment of the present utility model.

[0025] MAIN REFERENCE NUMERAL DESCRIPTION:

[0026] 1 - integral crucible, 11 - integral crucible body, 12 - sandblasted layer, 13 - partition plate, 14 - connection port, 15 - mounting hole, 2 - crucible support, 21 - crucible support body, 22 - reserved hole. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0027] To enable those skilled in the art to better understand the technical solutions in this utility model, the following will clearly and completely describe the technical solutions in the embodiments of this utility model in conjunction with the accompanying drawings in the embodiments of this utility model. Obviously, the described embodiments are only a part of the embodiments of this utility model, rather than all of the embodiments. Based on the embodiments in this utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of this utility model.

[0028] As Figures 1 to 4 shown, a crucible for OLED evaporation in an embodiment of this utility model includes an integral crucible 1 and a crucible support 2.

[0029] As Figures 1 to 5 shown, the integral crucible 1 includes an integral crucible body 11, and a sandblasting layer 12 is provided on the side wall of the integral crucible body 11. The split crucible is set as the integral crucible 11, and the wall thickness of the integral crucible 11 is thickened, thereby increasing the strength of the integral crucible 11, so that deformation problems can be basically avoided during processing, and the integral crucible 11 will not have the situation of breaking through the wall after being used for a period of time. At the same time, the integral crucible 11 makes the temperature distribution in the crucible uniform and makes the assembly of the crucible convenient. Through the sandblasting layer 12, the effect of the evaporation process in the integral crucible 11 can be significantly improved.

[0030] Preferably, the sandblasting layer 12 is provided on the side wall of the integral crucible body 11 by spraying, so that the sandblasting layer 12 is provided on the outer surface of the integral crucible body 11. Through sandblasting, the effect of the evaporation process in the integral crucible body 11 can be significantly improved.

[0031] Preferably, the material of the integral crucible body 11 is made of pure titanium material. Since the pure titanium material has high temperature resistance and good corrosion resistance, the service life of the integral crucible body 11 can be improved.

[0032] As Figure 1 、 Figure 2 and Figure 5 shown, a plurality of partition plates 13 are fixedly connected inside the integral crucible body 11. The plurality of partition plates 13 are fixedly connected inside the integral crucible body 11 by an integral molding method. By separating the integral crucible body 11 through the partition plates 13, the evaporation efficiency of the integral crucible body 11 can be improved.

[0033] As Figure 1 、 Figure 2 and Figure 5As shown, a connection port 14 is integrally formed at the upper end of the integral crucible body 11. A plurality of mounting holes 15 are provided on the connection port 14. A cover plate is to be mounted on the connection port 14 to seal the interior of the integral crucible body 11. The mounting holes 15 facilitate the connection between the connection port 14 and the cover plate bracket.

[0034] As Figures 1 to 4 and Figure 6 As shown, the crucible support 2 includes a crucible support body 21. The upper end of the crucible support body 21 is set to be open, and the interior of the crucible support body 21 is set to be a hollow structure. The bottom of the integral crucible body 11 is mounted on the upper end of the crucible support body 21. A fixed connection method is adopted between the bottom of the integral crucible body 11 and the upper end of the crucible support body 21. The crucible support body 21 is used to support the integral crucible body 11. By using a fixed connection method for the connection between the crucible support body 21 and the integral crucible body 11, the connection between the crucible support body 21 and the integral crucible body 11 is made stable, so that the support of the crucible support body 21 for the integral crucible body 11 is stable, and further the support of the crucible support 2 for the integral crucible 1 is stable.

[0035] Specifically, the bottom of the integral crucible body 11 and the upper end of the crucible support body 21 are fixedly connected by welding. The welding method makes the connection between the integral crucible body 11 and the crucible support body 21 firm.

[0036] Preferably, the material of the crucible support body 21 is made of pure titanium material. Since the pure titanium material is heat-resistant and has good corrosion resistance, the service life of the crucible support body 21 can be improved.

[0037] As Figure 1 、 Figure 2 and Figure 6 As shown, reserved holes 22 are provided on the lower sides of the left and right side walls of the crucible support body 21. Through the reserved holes 22, it is convenient to clean the interior of the crucible support body 21.

[0038] Working principle: By setting the original split crucible as an integral crucible 1, the temperature uniformity of the crucible during use is improved through the integral crucible 1. And by increasing the wall thickness of the integral crucible 1, deformation is avoided during the processing of the integral crucible 1, and there will be no situation of wall breakage after using for a period of time; at the same time, the integral crucible 1 is entirely made of pure titanium material, improving the high-temperature resistance and corrosion resistance, and increasing the service life of the integral crucible 1; the outer surface of the integral crucible 1 is sandblasted as a whole, effectively improving the evaporation coating effect in the integral crucible 1; reserved holes 22 are provided on both sides of the crucible support body 21, making it convenient to clean the crucible support body 21.

[0039] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-described exemplary embodiments, and the present utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, in any aspect, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be encompassed within the present utility model. Any reference signs in the claims should not be construed as limiting the claims involved.

[0040] In addition, it should be understood that although this specification is described in terms of embodiments, not every embodiment only contains an independent technical solution. This narrative manner of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A crucible for OLED evaporation, characterized in that, Comprising: An integrated crucible, including an integrated crucible body, on the side wall of which a sandblasted layer is provided; A crucible support, including a crucible support body, the upper end of which is provided with an opening, the inside of which is a hollow structure, the bottom of the integrated crucible body is installed on the upper end of the crucible support body, and the bottom of the integrated crucible body and the upper end of the crucible support body are connected in a fixed manner.

2. The crucible for OLED evaporation according to claim 1, characterized in that, The sandblasted layer is provided on the side wall of the integrated crucible body by spraying.

3. The crucible for OLED evaporation according to claim 2, characterized in that, The material of the integrated crucible body is made of pure titanium material.

4. The crucible for OLED evaporation according to claim 1, characterized in that, A plurality of partition plates are fixedly connected inside the integrated crucible body, and the plurality of partition plates are fixedly connected inside the integrated crucible body in an integrally formed manner.

5. A crucible for OLED evaporation according to claim 1, characterized in that, A connection port is integrally formed at the upper end of the integrated crucible body, and a plurality of mounting holes are provided in the connection port.

6. The crucible for OLED evaporation according to claim 1, characterized in that, The bottom of the integrated crucible body and the upper end of the crucible support body are fixedly connected by welding.

7. The crucible for OLED evaporation according to claim 6, characterized in that, The material of the crucible support body is made of pure titanium material.

8. The crucible for OLED evaporation according to claim 7, characterized in that, Reserved holes are provided on the lower sides of the left and right side walls of the crucible support body.

Images