Flexible substrate and preparing method thereof

A flexible substrate, inorganic layer technology, applied in the direction of instruments, electrical components, electrical solid devices, etc., can solve problems such as poor adhesion, display panel damage, etc., and achieve the effect of improving adhesion and reliability.
CN109859627AInactive Publication Date: 2019-06-07WUHAN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
WUHAN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD
Publication Date
2019-06-07
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention provides a flexible substrate and a preparing method thereof. The flexible substrate has the advantages that inorganic matter protrusions are embedded in the bottom of a second polymer layer, the adhesiveness between the (organic) material of the second polymer layer and the inorganic material can be improved, and it is effectively avoided that the second polymer layer and the inorganic layer are separated in the subsequent manufacturing process of display panels and other devices or the use process of the display panels and other devices; by means of the inorganic layer, water and oxygen can be effectively prevented from entering a substrate middle layer, and the reliability of the display panels and other devices is improved.
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Description

technical field

[0001] The invention relates to the field of display devices, in particular to a flexible substrate and a preparation method thereof. Background technique

[0002] In recent years, the flexibility of display panels has become a technological innovation point pursued by major mobile phone and display panel manufacturers. Bendable, foldable, curlable and even arbitrarily deformable panels are gradually turning from concept to reality. Different from traditional rigid panels, flexible panels need to use flexible substrates to achieve bendable, foldable, rollable and other properties. At present, the more mature technology is to use polymers, metal films, cardboard and other materials to make flexible substrates, and polymer materials are favored for their high flatness and good plasticity.

[0003] Due to the high water permeability and poor high temperature resistance of polymer materials, if polymers are used as the substrate of the display panel, two layers ...

Claims

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