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Vacuum laminating device

A bonding device and vacuum technology, applied in lamination devices, layered product processing, electronic equipment, etc., can solve the problem of increasing the defoaming process, high defect rate of air bubbles in the bonding process, bonding yield rate and difficulty in process control, etc. problem, to achieve the effect of canceling the defoaming process, improving the yield of the bonding process, and reducing the generation of air bubbles

Active Publication Date: 2015-06-03
BOE TECH GRP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The technical problem to be solved by the present invention is that the defect rate of air bubbles in the existing bonding process is high, and a degassing process needs to be added, which causes great difficulties in the bonding yield and process control

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Embodiment Construction

[0026] Embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but should not be used to limit the scope of the present invention.

[0027] In the description of the present invention, it should be noted that unless otherwise specified, the meaning of "plurality" is two or more; the terms "upper", "lower", "left", "right", "inner ", "outside", "front end", "rear end", "head", "tail", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and Simplified descriptions, rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and thus should not be construed as limiting the inventi...

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Abstract

The invention relates to the technical field of display, in particular to a vacuum laminating device. The vacuum laminating device comprises a first platform, a second platform and a lifting push rod, wherein a first adsorption surface is arranged at the bottom of the first platform; the second platform is located below the first platform; a second adsorption surface is arranged on the top of the second platform; the lifting push rod is arranged in the middle part of the second adsorption surface; and the lifting push rod and the second platform respectively elevate move below the first platform. According to the vacuum laminating device, air bubbles are eliminated from the middle to two sides; the effect of effectively eliminating air bubbles is reached at the vacuum laminating link; the laminating yield is improved; and the de-aeration process link is concealed.

Description

technical field [0001] The invention relates to the field of display technology, in particular to a vacuum bonding device. Background technique [0002] Full bonding is becoming more and more popular in the touch screen industry. In the development process of full bonding, whether it is OCA (English name is Optically Clear Adhesive, Chinese name is Solid Transparent Optical Adhesive) or LOCA (English name is Liquid Optically Clear Adhesive, Chinese name is The defective item that is easy to produce is liquid transparent optical glue) is defective air bubbles. The discharge of lamination air bubbles is a technical difficulty in the full lamination process, and it is necessary to add defoaming equipment to many production lines. [0003] Existing vacuum bonding equipment needs to complete the bonding in a vacuum chamber. Although it is in a vacuum environment, neither OCA nor LOCA can completely drive out the air bubbles during the entire face-to-face bonding, and the VA area...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B37/10
CPCB32B37/1018B32B2309/12B32B2457/202B32B37/003
Inventor 王大鹏崔洪伟
Owner BOE TECH GRP CO LTD
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