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Ring-shaped back glue

A ring-shaped, glue-preparing technology, which is applied in the direction of adhesives, film/sheet adhesives, etc., can solve the problems of water vapor or foreign matter infiltrating into the visible area, poor visual effect in the display area, etc., to prevent water vapor or foreign matter Bleed into the viewport, avoiding display quality effects

Active Publication Date: 2014-02-05
HANNSTAR DISPLAY CORPORATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the gap between the adhesive materials is likely to cause moisture or foreign matter to seep into the visible area, thus increasing the probability of poor visual effects in the display area

Method used

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  • Ring-shaped back glue
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0039] refer to Figure 4 , the ring-shaped rubber preparation 400 of the first embodiment of the present invention includes a plurality of strip-shaped rubber preparations, for example, four strip-shaped rubber preparations 410 , 420 , 430 , 440 are connected to each other to form a square shape. refer to Figure 5a , the strip-shaped adhesive preparation 410 includes a base material 412, and adhesive materials 414, 416 are respectively formed on the upper and lower surfaces of the base material 412, wherein the adhesive material 414 is formed on the entire upper surface of the base material 412, and the adhesive material 416 is also roughly It is formed on the entire lower surface of the base material 412, but there is a section without any adhesive material, that is to say, the adhesive material 416 is not continuously formed on the lower surface of the base material 412, but has an adhesive material gap 416a. No glue is formed on the glue gap 416a.

[0040] refer to Fi...

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PUM

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Abstract

A ring-shaped back glue, comprises at least a first strip back glue and a second strip back blue. The first strip back glue includes a first base, a first adhesive material and a second adhesive material. The first adhesive material is formed on a first surface of the first substrate, while the second adhesive material is formed on a second surface of the first substrate. The second strip back glue includes a second substrate, a third plastic material and a fourth adhesive material. The second substrate has two sections which are not connected to each other, the third plastic material is formed on a third surface of the second substrate, and a fourth surface of the second substrate is attached to the fourth adhesive material, wherein a substrate gap is formed between the two sections which are not connected to each other, and part of the fourth adhesive material is exposed. the second surface of the first substrate is attached to the fourth plastic material exposed to the substrate gap; wherein the first substrate is attached to the two sections of the second substrate which are not connected to each other.

Description

technical field [0001] The present invention relates to a ring-shaped adhesive preparation for bonding sheet-shaped objects, and more particularly, to a word-shaped adhesive preparation that can be used for bonding touch panels. Background technique [0002] The word-shaped adhesive preparation method has been widely used in the bonding of key components of display modules, such as the bonding of liquid crystal display (LCD) panels and backlight modules, or the bonding of touch panels and liquid crystal display modules (LCM). Depending on the location of use, the material of the prepared rubber substrate will also have different choices. For example, if the foam material is used, it can provide a buffer space between the components when the module is impacted by an external force; if it is made of hard silicone, it can maintain a fixed distance between the two components. [0003] In general, refer to Figure 1a to Figure 1c , the production method of the mouth-shaped glue ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09J7/02
Inventor 吴许合曾建翔唐志舜
Owner HANNSTAR DISPLAY CORPORATION