Weight reduction screw for alignment mechanism of OLED (Organic Light Emitting Diode) evaporator

Abstract

The utility model relates to a weight reduction screw for an alignment mechanism of an OLED evaporator, which comprises a screw body, a buffer head, a compression spring and a plug, a concave hole is arranged at the bottom end of the screw body, a through hole penetrating through the top of the screw body is arranged at the bottom of the concave hole, the buffer head is inserted into the through hole at the top of the screw body from the concave hole, and the concave hole at the bottom end of the screw body is plugged by the plug. According to the utility model, through the installation on a back plate hanger, a part of the weight of the contact back plate is offset while the contact back plate is pressed on a glass substrate and a mask back plate, so that the weight of the contact back plate is greatly reduced, and the service life of the contact back plate is prolonged. Therefore, the possibility of deformation of the mask backboard in the operation process is greatly reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a fastener, concretely is used for OLED evaporation machine alignment mechanism's weight reduction screw. BACKGROUND

[0002] Semiconductor refers to the conductivity performance between conductor and insulator at normal temperature, has wide application in computer, mobile phone or, digital recorder and temperature measurement, among them, semiconductor OLED panel is a new type of display technology, has the characteristics such as self-luminous, thin, flexible display can be realized, is currently widely used in mobile phone, television, display, commercial display and various display fields, compared with traditional LCD panel technology, OLED panel has higher resolution, wider color gamut and higher contrast, and evaporation machine is a kind of key equipment for OLED display screen manufacturing, it is a kind of equipment for evaporating organic luminescent material and cathode material, is used to form light emitting device on back plate, can make light emitting molecule excitation, produce visible light.

[0003] At present, the contact back plate of the evaporation machine alignment mechanism directly presses on the glass substrate and the mask back plate, so that the mask back plate deforms during alignment, the glass substrate and the mask back plate are offset during lamination, causing local position coating disorder. CONTENT OF THE UTILITY MODEL

[0004] In view of the problems existing in the prior art, the utility model provides a weight reduction screw for OLED evaporation machine alignment mechanism, which can be used to adjust the level of the back plate while offsetting a part of the weight of the contact back plate pressing on the glass substrate and the mask back plate.

[0005] In order to achieve the above purpose, the utility model discloses a weight reduction screw for OLED evaporation machine alignment mechanism, which comprises a screw body, a buffer head, a compression spring and a plug, a recess is formed in the bottom end of the screw body, a through hole is formed in the bottom of the recess and penetrates through the top of the screw body, the buffer head is inserted into the through hole in the top of the screw body, the recess in the bottom end of the screw body is plugged by the plug, the compression spring is arranged between the plug and the buffer head, and the top of the buffer head is higher than the upper surface of the screw body.

[0006] In addition, the weight reduction screw for OLED evaporation machine alignment mechanism according to the above embodiments of the utility model can also have the following additional technical features:

[0007] As a further improved scheme of the utility model, an annular groove is formed in the surface of the screw body near the nut.

[0008] As a further improved scheme of the utility model, the plug and the bottom surface of the screw body are welded flat.

[0009] As a further improved scheme of the present utility model, the buffer head top edge chamfer.

[0010] As a further improved scheme of the present utility model, the screw body bottom edge chamfer.

[0011] By the above scheme, the present utility model has at least the following advantages: compared with the conventional evaporation machine alignment mechanism, the contact back plate is directly pressed on the glass substrate and the mask back plate, the contact back plate is pressed on the glass substrate and the mask back plate at the same time by being installed on the back plate hanger, a part of the weight of the contact back plate is offset, and thus the possibility of deformation of the mask back plate in the running process is greatly reduced. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 is the stereogram of the weight-reducing screw for the OLED evaporation machine alignment mechanism;

[0013] Figure 2 is the sectional view of the weight-reducing screw for the OLED evaporation machine alignment mechanism;

[0014] In the figure: 1, screw body, 2, buffer head, 3, compression spring, 4, plug. DETAILED DESCRIPTION

[0015] The weight-reducing screw for the OLED evaporation machine alignment mechanism of the present utility model is described below in combination with the drawings.

[0016] In the first embodiment of the present application, as shown in Figure 1 and Figure 2 The weight-reducing screw for the OLED evaporation machine alignment mechanism (hereinafter referred to as "the present invention") comprises a screw body 1, a buffer head 2, a compression spring 3 and a plug 4. The screw body 1 is provided with a recess hole at the bottom end, and a through hole penetrating through the top of the screw body 1 is formed at the bottom of the recess hole. The buffer head 2 is inserted into the through hole at the top of the screw body 1 from the recess hole. The recess hole at the bottom end of the screw body 1 is plugged by the plug 4. The compression spring 3 is arranged between the plug 4 and the buffer head 2. The top of the buffer head 2 is higher than the upper surface of the screw body 1.

[0017] The second embodiment is basically the same as the first embodiment, and the difference lies in that, as shown in Figure 1 and Figure 2 The screw body surface of the screw body 1 is provided with an annular groove near the nut.

[0018] In order to further optimize the work efficiency of the present application, the plug 4 and the bottom surface of the screw body 1 are welded flat. The top edge of the buffer head 2 is chamfered. The bottom edge of the screw body 1 is chamfered.

[0019] When the present utility model is used, the specific work is as follows:

[0020] The weight-reducing screw is installed on the backplate hanger to form a rectangular matrix, the mask backplate is placed above the glass substrate, so that the non-evaporation area of the glass substrate is in contact with the weight-reducing screw on the backplate hanger, when in contact, the buffer head 2 uses the reaction force of the compression spring 3 to offset part of the weight of the glass substrate and the mask backplate, so as to achieve the purpose of weight reduction, and the plug 4 prevents the compression spring 3 and the buffer head 2 from coming out.

[0021] In conclusion, the weight-reducing screw for the alignment mechanism of the OLED evaporation machine according to the embodiments of the present application is installed on the backplate hanger, so that the contact backplate is pressed on the glass substrate and the mask backplate at the same time, and a part of the weight of the contact backplate is offset, thereby greatly reducing the possibility of deformation of the mask backplate during operation.

[0022] Those skilled in the art should understand that the above discussion of any embodiment is only exemplary and is not intended to limit the scope of the present application to these examples; under the idea of the present application, the technical features of the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other changes of different aspects of the present application as described above. In order to be brief, they are not provided in details. Any omission, modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A lightened screw for the alignment mechanism of an OLED evaporation machine, comprising a screw body (1), characterized in that, The screw body (1) is provided with a recess hole at the bottom end, a through hole is formed at the bottom of the recess hole and penetrates the top of the screw body (1), the buffer head (2) is inserted into the through hole at the top of the screw body (1) from the recess hole, the recess hole at the bottom end of the screw body (1) is plugged by the plug (4), the compression spring (3) is arranged between the plug (4) and the buffer head (2), and the top of the buffer head (2) is higher than the upper surface of the screw body (1).

2. The lightening screw for the alignment mechanism of an OLED evaporation machine according to claim 1, wherein, The annular groove is formed on the surface of the screw body (1) near the nut.

3. The lightening screw for the alignment mechanism of an OLED evaporation machine according to claim 2, wherein, The plug (4) and the bottom surface of the screw body (1) are welded flat.

4. The lightening screw for the alignment mechanism of an OLED evaporation machine according to claim 1, wherein, The top edge of the buffer head (2) is chamfered.

5. The lightening screw for the alignment mechanism of an OLED evaporation machine according to claim 4, wherein, The bottom edge of the screw body (1) is chamfered.

Images