Ultrathin flexible cover plate and preparation method thereof

A flexible cover, ultra-thin technology, applied in branch office equipment, telephone structure, telephone communication, etc., can solve problems such as easy crushing and sputtering, human hazards, and the bending performance and strength of the cover plate cannot meet the use requirements at the same time, to achieve Effects of improving bending performance and strength and improving product quality

Pending Publication Date: 2021-07-30
芜湖东信光电科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, because the overall thickness of the glass is too thin, the bending performance and strength of the UTG cover plate cannot meet the requirements of use at the same time. At the same time, due to the brittleness of the tempered glass itself, UTG is easy to shatter and sputter after being broken, which is harmful to the human body.

Method used

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  • Ultrathin flexible cover plate and preparation method thereof
  • Ultrathin flexible cover plate and preparation method thereof
  • Ultrathin flexible cover plate and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] For the ultra-thin flexible cover with the above structure, this embodiment provides a method for preparing an ultra-thin flexible cover, including the following steps:

[0040] S1. Fix the UTG on the base;

[0041] S2. The coating method of spraying treatment is used for processing. Multiple rows of nozzles 4 are arranged directly above the UTG. All nozzles 4 in the same row are arranged at equal intervals. All nozzles 4 in the same row are in the width direction of the UTG (that is, not equal Thick zone 1 and the width direction of equal thickness zone 2) are parallel on the same straight line.

[0042] In the above step S2, the thickness of the equal thickness area 2 is 100um, the minimum thickness of the non-equal thickness area 1 is 60um, and the maximum thickness of the non-equal thickness area 1 is 100um. After coating, the equal thickness area 2 and the non-equal thickness area are required The total thickness of 1 is 120um. During processing, the amount of so...

Embodiment 2

[0044] For the ultra-thin flexible cover with the above structure, this embodiment provides a method for preparing an ultra-thin flexible cover, including the following steps:

[0045] S1. Fix the UTG on the base;

[0046]S2. The coating method of spraying treatment is used for processing. Multiple rows of nozzles 4 are arranged directly above the UTG. All nozzles 4 in the same row are arranged at unequal intervals. All nozzles 4 in the same row are in the width direction of the UTG (that is, not On the same straight line parallel to the width direction of the constant thickness zone 1 and the constant thickness zone 2 , the number of nozzles 4 located above the constant thickness zone 2 is less than the number of nozzles 4 located above the non-equal thickness zone 1 .

[0047] In the above step S2, the thickness of the equal thickness area 2 is 100um, the minimum thickness of the non-equal thickness area 1 is 80um, and the maximum thickness of the non-equal thickness area 1 ...

Embodiment 3

[0049] For the ultra-thin flexible cover with the above structure, this embodiment provides a method for preparing an ultra-thin flexible cover, including the following steps:

[0050] S1, place the UTG on the conveyor belt 5;

[0051] S2. Processing by spraying coating method, a nozzle 4 is arranged directly above the conveyor belt 5, and the solution is sprayed from the nozzle 4 to the UTG. When the zone 1 moves to the bottom of the nozzle 4, the running speed of the conveyor belt 5 is different, so as to achieve different spraying effects.

[0052] In the above step S2, the thickness of the equal thickness area 2 is 100um, the minimum thickness of the non-equal thickness area 1 is 40um, and the maximum thickness of the non-equal thickness area 1 is 100um. After coating, the equal thickness area 2 and the non-equal thickness area are required The total thickness of 1 is 120um. During processing, the conveyor belt 5 transports the UTG to move linearly under the nozzle 4, an...

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Abstract

An ultrathin flexible cover plate disclosed by the present invention comprises a UTG and a polymeric membrane layer arranged on the UTG, the UTG comprises two equal-thickness regions and a non-equal-thickness region located between the two equal-thickness regions, the thickness of the equal-thickness regions is uniform, the non-equal-thickness region is provided with a maximum-thickness piece and a minimum-thickness piece, the thickness of the maximum-thickness piece is uniform, and the thickness of the minimum-thickness piece is uniform. And the thickness of the non-uniform thickness region is gradually increased from the minimum thickness piece to the maximum thickness piece. According to the ultrathin flexible cover plate disclosed by the invention, the bending performance and the strength of the ultrathin flexible cover plate can be improved by arranging the uniform-thickness regions and the non-uniform-thickness regions, so that the product quality is improved; and when the cover plate is bent and broken, glass fragments still adhere to the polymeric membrane layer, the phenomenon of sputtering of the tempered glass is avoided, the harm of the tempered glass to the human body can be effectively prevented, and a great contribution is made to the development of the flexible screen mobile phone. The invention also discloses a preparation method of the ultrathin flexible cover plate.

Description

technical field [0001] The invention belongs to the technical field of ultra-thin flexible glass, in particular the invention relates to a non-equal thickness ultra-thin flexible cover plate and a preparation method thereof. Background technique [0002] With the rapid development of the electronic display industry, the use of single-screen mobile phones can no longer meet the needs of consumers. Smart phones will develop to dual-screen or multi-screen, which can save more space and be more convenient to carry by folding or curling. , more in line with the needs of consumers, so flexible screen mobile phones will become the main direction of smart phones in the future. The emergence of flexible screen mobile phones will become a huge milestone in the development history of smart phones, and it is also a huge challenge. The use of the board has the highest requirements. On the one hand, the mobile phone cover is required to be flexible enough to be folded or curled in any dir...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04M1/02H04M1/18
CPCH04M1/0266H04M1/185
Inventor 郑建军俞良汪晓玲杨夫舜齐彦杰任伟
Owner 芜湖东信光电科技有限公司
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