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Mask assembly and preparation method thereof

A technology of masks and components, applied in the field of masks, to achieve the effects of small flatness, high position accuracy and shape accuracy

Active Publication Date: 2019-07-12
BOE TECH GRP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of the shortcomings of the existing methods, the present application proposes a mask assembly and its preparation method to solve the technical problems existing in the prior art

Method used

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  • Mask assembly and preparation method thereof
  • Mask assembly and preparation method thereof
  • Mask assembly and preparation method thereof

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Embodiment Construction

[0029] The present application is described in detail below, and examples of embodiments of the present application are shown in the drawings, wherein the same or similar reference numerals represent the same or similar components or components having the same or similar functions throughout. Also, detailed descriptions of known technologies will be omitted if they are not necessary to illustrate the features of the present application. The embodiments described below by referring to the figures are exemplary only for explaining the present application, and are not construed as limiting the present application.

[0030] Those skilled in the art can understand that, unless otherwise defined, all terms (including technical terms and scientific terms) used herein have the same meanings as commonly understood by those of ordinary skill in the art to which this application belongs. It should also be understood that terms, such as those defined in commonly used dictionaries, should ...

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Abstract

The invention provides a mask assembly and a preparation method thereof. The mask assembly comprises a frame-shaped frame, a main mask and an auxiliary mask, wherein the main mask and the auxiliary mask are laminated, the outer peripheral region of the main mask and the peripheral region of the auxiliary mask are respectively connected with the inner peripheral region of the frame-shaped frame, aplurality of process holes are formed in the main mask, at least one avoiding hole is formed in the auxiliary mask, and the process holes are aligned with a part of areas in the corresponding avoidinghole; the stretching force between the auxiliary mask and the frame-shaped frame is larger than the stretching force between the main mask and the frame-shaped frame, and the frame-shaped frame and the auxiliary mask are in advance formed a assembly not easy to deform again and high in strength; after the main mask is connected to the first state frame-shaped frame again, the first state frame-shaped frame does not generate obvious deformation again, so that the flatness error of the main mask is small, the shape precision of the process holes of the main mask and the position precision relative to the frame-shaped frame are high.

Description

technical field [0001] The present application relates to the technical field of masks, and in particular, the present application relates to a mask assembly and a preparation method thereof. Background technique [0002] During the manufacturing process of the display panel, the evaporation of the luminescent material needs to be realized through the mask plate assembly. The mask assembly usually includes a frame and a mask. The outer peripheral area of ​​the mask is connected to the inner peripheral area of ​​the frame. The mask is provided with a plurality of process holes, and the luminescent material is plated on the display panel through the process holes. preset position on . [0003] In the mask plate assembly, the flatness of the mask plate and the position accuracy of the process hole in the mask plate relative to the frame frame are two important indicators. In order to ensure the flatness of the mask, it is usually necessary to stretch the mask and then connect...

Claims

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Application Information

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IPC IPC(8): C23C14/04C23C14/24
CPCC23C14/042C23C14/24
Inventor 徐鹏嵇凤丽
Owner BOE TECH GRP CO LTD
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