Flexible cover plate for display panel, preparation method of flexible cover plate, and display device

Abstract

The invention discloses a flexible cover plate for a display panel, a preparation method of the flexible cover plate, and a display device. The flexible cover plate comprises a base plate, and a protecting layer arranged on the base plate, wherein the protecting layer internally comprises a plurality of fiber strips which are arrayed in mutually parallel and staggered modes. The flexible cover plate has the beneficial effects that according to the flexible cover plate for the display panel, the preparation method of the flexible cover plate, and the display device, by arranging the protectinglayer on the flexible base plate, the tensile strength of the flexible cover plate is improved, that is, the rigidity of the flexible cover plate is improved, and scraping performance of the flexiblecover plate can be improved; the protecting layer is made of materials of zirconium oxide, boron nitride and the like, and the flexible cover plate is stable in chemical property, high in strength, high in hardness and small in friction coefficient; the multiple fiber strips parallel to the length direction of the flexible base plate are arranged in the protecting layer, the fiber strips are madeof polyurethane fibers, the scraping resisting performance of the materials can be effectively improved, transverse sliding can be prevented, and thus the flexible cover plate has the sufficient rebound resilience; and a rotary coating technology is adopted in the preparation method of the flexible cover plate, and the simple and easy-to-operate effects are achieved.

Description

technical field [0001] The invention relates to the display field, in particular to a flexible cover plate for a display panel, a preparation method thereof, and a display device. Background technique [0002] At present, foldable and flexible organic light-emitting diodes (Organic Light-Emitting Diode, OLED), also known as organic electro-laser display and organic light-emitting semiconductor display devices, have been put on the market one after another, attracting widespread attention from the industry and consumers. In order to balance bendability and durability, the outermost layer of the foldable flexible organic light emitting diode display device usually adopts a flexible cover window (cover window) or cover glass (cover glass) as the outermost protective layer. These materials need to have good optical properties (high transmittance, low yellow value and haze) on the basis of taking into account the bendable performance, as well as high hardness, scratch resistance ...

AI Technical Summary

Problems solved by technology

However, the thicker the flexible substrate, the higher the cost, and the larger the bending radius, the greater the challenge to the bending performance; the surface hardening layer and the anti-scratch coating, while increasing the bending radius, also pose a challenge to the layer inter-adhesion challenges

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