A bendable polarizing sheet suitable for a flexible display device

Abstract

The utility model discloses a kind of foldable polarizing sheets suitable for flexible display device, it is related to polarizing sheet related field, including foldable polarizing sheet body, flexible material's woven net body and protective layer, flexible material's woven net body is adheredly connected in foldable polarizing sheet body bottom, set up flexible material's woven net body, the performance stability, restoring force, overall transmittance, folding durability, interface adhesion, flexibility and transparency of foldable polarizing sheet body are improved by warp and weft, extend the service life of foldable polarizing sheet body;Set up protective layer, the material layer is realized the anti-spy, fingerprint adhesion function and keep stable hydrophobic oleophobicity of foldable polarizing sheet body, finally through first protective film and second protective film, foldable polarizing sheet body is protected when transporting, prevent scratch.

Description

Technical Field

[0001] This utility model relates to the field of polarizers, specifically a bendable polarizer suitable for flexible display devices. Background Technology

[0002] The bendable polarizer, suitable for flexible display devices, is a functional thin film material that has the ability to withstand repeated bending, rolling and folding while maintaining stable polarization optical performance. It is a core optical component of flexible display devices such as flexible OLEDs, foldable screens, and rollable screens.

[0003] Existing polarizers suffer from poor performance stability, resilience, overall light transmittance, folding durability, interfacial adhesion, flexibility, and transparency during use, resulting in a short lifespan. Furthermore, existing polarizers are difficult to use to achieve privacy protection, prevent fingerprint adhesion, and maintain stable hydrophobic and oleophobic properties, limiting their practicality. Additionally, some equipment struggles to protect polarizers during transport, potentially causing scratches to the polarizer and its material layers. Utility Model Content

[0004] Therefore, in order to overcome the above-mentioned shortcomings, this utility model provides a bendable polarizer suitable for flexible display devices.

[0005] This invention is achieved by constructing a bendable polarizer suitable for flexible display devices. The device includes a bendable polarizer body, a flexible woven mesh body is glued to the bottom of the bendable polarizer body, and a protective layer is glued to the bottom of the flexible woven mesh body.

[0006] The flexible woven mesh is formed by weaving transparent nylon monofilament yarn, shape memory polymer yarn, and polyvinyl alcohol yarn into weft yarn and ultra-fine denier transparent polyimide multifilament yarn, polyester fiber yarn, and cellulose acetate yarn into warp yarn.

[0007] Preferably, shape memory polymer yarn is attached to the side of the transparent nylon monofilament yarn in a row, and polyvinyl alcohol yarn is attached to the side of the shape memory polymer yarn in a row.

[0008] Preferably, the ultrafine denier transparent polyimide multifilament yarn is bonded to polyester fiber yarn in a row on its side, and the polyester fiber yarn is bonded to cellulose acetate yarn in a row on its side.

[0009] Preferably, the protective layer includes a first protective film, the bottom of the woven mesh body of the flexible material is adhered to the first protective film, the top of the bendable polarizer body is adhered to the privacy layer, and the top of the privacy layer is coated with an anti-reflective coating.

[0010] Preferably, the protective layer further includes an anti-fingerprint coating, the top of the anti-reflective coating is sprayed with the anti-fingerprint coating, and a second protective film is adhered to the top of the anti-fingerprint coating.

[0011] This utility model has the following advantages: This utility model provides a bendable polarizer suitable for flexible display devices through improvements, which has the following improvements compared to similar devices:

[0012] This utility model describes a bendable polarizer suitable for flexible display devices. It features a woven mesh made of flexible material, which improves the performance stability, resilience, overall light transmittance, folding durability, interface adhesion, flexibility, and transparency of the bendable polarizer body through warp and weft threads, thus extending its service life. A protective layer is provided, which, through material layers, provides privacy protection, prevents fingerprint adhesion, and maintains stable hydrophobic and oleophobic properties. Finally, a first protective film and a second protective film protect the bendable polarizer body during transportation, preventing scratches. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the three-dimensional structure of the bendable polarizer body of this utility model;

[0014] Figure 2 This is a schematic diagram of the three-dimensional structure of the flexible material woven mesh of this utility model;

[0015] Figure 3 This is a three-dimensional exploded view of the protective layer of this utility model.

[0016] The components include: a bendable polarizing film body-1, a flexible woven mesh body-2, transparent nylon monofilament yarn-21, shape memory polymer yarn-22, polyvinyl alcohol yarn-23, ultra-fine denier transparent polyimide multifilament yarn-24, polyester fiber yarn-25, cellulose acetate yarn-26, a protective layer-3, a first protective film-31, a privacy layer-32, an anti-reflective coating-33, an anti-fingerprint coating-34, and a second protective film-35. Detailed Implementation

[0017] The following is in conjunction with the appendix Figures 1-3 The principles and features of this utility model are described below. The examples given are for illustrative purposes only and are not intended to limit the scope of this utility model. The utility model is described more specifically in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of this utility model will become clearer from the following description and claims. It should be noted that the drawings are in a very simplified form and use non-precise proportions, and are only used to facilitate and clarify the illustration of the embodiments of this utility model.

[0018] It should be noted that when a component is described as "fixed to" another component, it can be directly on the other component or may have a component in between. When a component is considered "connected to" another component, it can be directly connected to the other component or may have a component in between. When a component is considered "set on" another component, it can be directly set on the other component or may have a component in between. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0019] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0020] Example 1:

[0021] Please see Figures 1-2 The present invention provides a bendable polarizer suitable for flexible display devices, comprising a bendable polarizer body 1, a flexible woven mesh 2 bonded to the bottom of the bendable polarizer body 1, and a protective layer 3 bonded to the bottom of the flexible woven mesh 2.

[0022] The flexible woven mesh 2 is formed by weft yarns made of transparent nylon monofilament yarn 21, shape memory polymer yarn 22, and polyvinyl alcohol yarn 23, and warp yarns made of ultra-fine denier transparent polyimide multifilament yarn 24, polyester fiber yarn 25, and cellulose acetate yarn 26. The transparent nylon monofilament yarn 21 can withstand a certain degree of bending without breaking without affecting the light transmittance of the bendable polarizer body 1.

[0023] Transparent nylon monofilament yarn 21 has shape memory polymer yarn 22 bonded to its side in a row, and polyvinyl alcohol yarn 23 bonded to its side in a row. Polyvinyl alcohol yarn 23 helps to reduce refractive index, reduce interface scattering loss and improve overall light transmittance.

[0024] The ultra-fine denier transparent polyimide multifilament yarn 24 is bonded to polyester fiber yarn 25 in a row on its side, and the polyester fiber yarn 25 is bonded to cellulose acetate yarn 26 in a row on its side.

[0025] The working principle of a bendable polarizer suitable for flexible display devices based on Embodiment 1 is as follows:

[0026] First, when using this device, place it in the work area, and then connect it to an external power source to provide the power required for its operation.

[0027] Secondly, the transparent nylon monofilament yarn 21, without affecting the light transmittance of the bendable polarizer body 1, can withstand a certain degree of bending without breaking. Its excellent wear resistance and environmental resistance ensure the service life and performance stability of the bendable polarizer body 1. Then, the shape memory polymer yarn 22 provides restoring force when the bendable polarizer body 1 is bent, helping the display device to flatten. Next, the polyvinyl alcohol yarn 23 reduces the refractive index, lowers interface scattering loss, and improves overall light transmittance. Finally, the ultra-fine denier transparent polyimide multifilament yarn 24 serves as the core warp, utilizing high modulus and low creep. The properties endow the bendable polarizer body 1 with excellent tensile strength and dimensional stability, effectively suppressing the propagation of microcracks and improving the folding durability of the bendable polarizer body 1 in flexible display devices. The polyester fiber yarn 25 provides a certain strength support for the bendable polarizer body 1, realizing stress buffering during dynamic bending. Finally, the excellent flexibility of the cellulose acetate yarn 26 allows the bendable polarizer body 1 to be easily bent and folded without breaking, providing the required flexibility and transparency. Its smooth surface also helps control the flatness of the weft yarn during the weaving process.

[0028] Example 2:

[0029] Please see Figure 3 The present invention provides a bendable polarizer suitable for flexible display devices. Compared with the first embodiment, this embodiment further includes a protective layer 3, which includes a first protective film 31. The bottom of the flexible woven mesh body 2 is adhered to the first protective film 31. The first protective film 31 facilitates the transportation and protection of the bendable polarizer body 1 to prevent scratches.

[0030] A privacy layer 32 is glued to the top of the bendable polarizer body 1. An anti-reflection coating 33 is sprayed on the top of the privacy layer 32. The anti-reflection coating 33 helps to reduce reflectivity and increase light transmittance.

[0031] The top of the anti-reflective coating 33 is coated with an anti-fingerprint coating 34, and a second protective film 35 is adhered to the top of the anti-fingerprint coating 34.

[0032] In this embodiment:

[0033] First, the privacy layer 32 is transparent when the flexible display device is powered on, and achieves privacy protection through light scattering when the power is off, while withstanding tens of thousands of bending cycles without cracking or delamination. Then, the anti-reflective coating 33 utilizes the interference effect of light to achieve destructive interference of reflected light, significantly reducing reflectivity and increasing light transmittance. At the same time, it prevents the coating from peeling off or cracking when the flexible polarizer body 1 is bent. Next, the anti-fingerprint coating 34 forms a transparent film layer on the outer surface of the flexible polarizer body 1, giving it waterproof, oil-proof, stain-proof and fingerprint-proof functions, improving the hydrophobic and oleophobic properties and wear resistance of the flexible polarizer body 1. At the same time, its excellent flexibility and elastic recovery ability prevent the coating from cracking after the flexible polarizer body 1 is bent, maintaining stable hydrophobic and oleophobic properties. Finally, the first protective film 31 and the second protective film 35 protect the flexible polarizer body 1 during transportation to prevent scratches.

[0034] This utility model provides an improved bendable polarizer suitable for flexible display devices. It features a flexible woven mesh 2, which improves the performance stability, resilience, overall light transmittance, folding durability, interface adhesion, flexibility, and transparency of the bendable polarizer body 1 through warp and weft threads, thus extending its service life. A protective layer 3 is provided, which provides privacy and fingerprint resistance while maintaining stable hydrophobic and oleophobic properties. Finally, a first protective film 31 and a second protective film 35 protect the bendable polarizer body 1 during transportation, preventing scratches.

[0035] The above describes the basic principles, main features, and advantages of this utility model. All standard parts used in this utility model can be purchased from the market, and irregularly shaped parts can be customized according to the description and drawings. The specific connection methods for each part all adopt conventional methods such as bolts, rivets, and welding, which are mature technologies in the prior art. The machinery, parts, and equipment all adopt conventional models in the prior art, and the circuit connections adopt conventional connection methods in the prior art, which will not be detailed here.

[0036] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A bendable polarizer suitable for flexible display devices, comprising a bendable polarizer body (1), wherein a flexible woven mesh (2) is glued to the bottom of the bendable polarizer body (1), and a protective layer (3) is glued to the bottom of the flexible woven mesh (2). Its features are: The flexible material woven mesh (2) is formed by weaving transparent nylon monofilament yarn (21), shape memory polymer yarn (22), and polyvinyl alcohol yarn (23) into weft yarns and ultra-fine denier transparent polyimide multifilament yarn (24), polyester fiber yarn (25), and cellulose acetate yarn (26) into warp yarns to form a mesh.

2. The bendable polarizer suitable for flexible display devices according to claim 1, characterized in that: The transparent nylon monofilament yarn (21) has a row of shape memory polymer yarn (22) attached to its side, and the shape memory polymer yarn (22) has a row of polyvinyl alcohol yarn (23) attached to its side.

3. The bendable polarizer suitable for flexible display devices according to claim 2, characterized in that: The ultrafine denier transparent polyimide multifilament yarn (24) has polyester fiber yarn (25) glued and fixed in a row on its side, and cellulose acetate yarn (26) is glued and fixed in a row on its side.

4. The bendable polarizer suitable for flexible display devices according to claim 3, characterized in that: The protective layer (3) includes a first protective film (31), the bottom of the flexible woven mesh (2) is bonded with the first protective film (31), the top of the bendable polarizer body (1) is bonded with a privacy layer (32), and the top of the privacy layer (32) is coated with an anti-reflective coating (33).

5. The bendable polarizer suitable for flexible display devices according to claim 4, characterized in that: The protective layer (3) also includes an anti-fingerprint coating (34), the top of the anti-reflective coating (33) is coated with an anti-fingerprint coating (34), and a second protective film (35) is adhered to the top of the anti-fingerprint coating (34).

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