Arch-shaped elastic stress support folding screen hinge
By using an arc-shaped stress-supported hinge for the folding screen, the problems of space occupation by protruding structures and unreasonable stress distribution in folding screen devices are solved, resulting in a higher screen-to-body ratio and a longer screen lifespan, and a more natural and smoother screen bending.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2026-02-26
- Publication Date
- 2026-04-03
AI Technical Summary
The existing hinge structure of foldable screen devices has problems such as protruding structures taking up space, screen jamming when bent, and unreasonable stress distribution, which leads to limited screen ratio and reduced screen life.
The folding screen hinge adopts an arc-shaped stress support, which includes the hinge body and the arc-shaped stress layer. The arc-shaped stress layer has the same curvature as the flexible screen, providing dynamic balance support, eliminating the protruding structure, and realizing the natural bending and stress release of the screen.
It increases screen-to-body ratio, eliminates creases, improves screen flatness, extends the lifespan of flexible screens, is compatible with existing small hinge technology, and has a simple structure.
Smart Images

Figure CN121782272A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of foldable screen terminal equipment technology, and specifically to an arc-shaped stress-supported foldable screen hinge. Background Technology
[0002] The hinge structures used in existing foldable screen phones, tablets, computers, and other devices mostly rely on protruding components to create space for the screen to bend and for the structure to unfold, which has the following problems:
[0003] The protruding structure takes up space, thus limiting the screen-to-body ratio;
[0004] When the screen is bent, it is squeezed and jammed, which can easily cause dead creases and reduce its lifespan;
[0005] Traditional hinges rely on hard pressing and hard clipping to fix the screen, resulting in unreasonable stress distribution.
[0006] Currently available small hinge solutions only enable the opening and closing of the device, lacking an integrated stress support structure that matches the curvature of the flexible screen. Summary of the Invention
[0007] The purpose of this invention is to overcome the shortcomings of the prior art and provide an arc-shaped stress-supported folding screen hinge. The arc-shaped stress layer achieves dynamic balance support with the flexible screen, eliminating the protruding structure from the root and improving the screen ratio and screen life.
[0008] The technical solution adopted by this invention to solve its technical problem is:
[0009] An arc-shaped stress-supported folding screen hinge includes a hinge body and an arc-shaped stress layer.
[0010] The hinge body is a conventional small hinge structure, used to connect the two body frames, and is only responsible for realizing the opening, closing and rotation functions.
[0011] The bow-shaped stress layer is positioned above the hinge and flush with the surface of the body; the curvature of the bow-shaped stress layer is consistent with the natural bending curvature of the flexible screen, and is used to support, release stress, and elastically expand the flexible screen.
[0012] Working principle of the invention:
[0013] The hinge body is only responsible for rotation and opening / closing, and does not participate in screen support; the arc-shaped stress layer forms a dynamic balance with the flexible screen, bending naturally in sync with the screen to avoid compression and jamming. Because the arc-shaped structure itself has the ability to support and spring open, the protruding parts used for opening on traditional hinges can be completely eliminated.
[0014] The beneficial effects of this invention are:
[0015] The protruding structure was eliminated, significantly increasing the screen-to-body ratio;
[0016] The screen achieves a natural bend without squeezing or lag, eliminating dead creases;
[0017] The arc-shaped stress layer provides stable support and elasticity, significantly improving screen flatness;
[0018] It is compatible with existing small hinge technology, and has a simple structure that is easy to implement;
[0019] By releasing screen stress at the fundamental level, the lifespan of flexible screens can be significantly extended. Detailed Implementation
[0020] The present invention will now be described in further detail.
[0021] An arc-shaped stress-supported folding screen hinge, comprising:
[0022] Hinge body: Uses existing conventional small hinges to connect the left and right body frames, enabling rotation and opening / closing;
[0023] Bow-shaped stress layer: Located above the hinge, flush with the body, with a curvature that matches the natural bending curvature of the flexible screen.
[0024] After assembly, the arc-shaped stress layer is located between the hinge and the flexible screen, providing continuous support for the screen. When the screen unfolds, the arc-shaped stress layer ensures overall flatness; when the screen bends, the stress layer deforms with the same curvature as the screen, achieving dynamic balance support, eliminating the need for protruding components to provide clearance and expansion functions.
[0025] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the principles of the present invention should be included within the protection scope of the present invention. VI. Description of the attached drawings
[0026] Figure 1 Schematic diagram of the arch-shaped stress-supported hinge structure for a folding screen
[0027] 1 First hinge unit 2 First pivot 3 Bow-shaped elastic stress layer 4 Second pivot 5 Second hinge unit 6 Flexible screen body 7 First body 8 Second body
Claims
1. A bow-shaped stress-supported folding screen hinge, characterized in that, It includes a small hinge body for opening and closing the two fuselage frames, and an arc-shaped stress layer set above the hinge and flush with the fuselage surface; The curvature of the bow-shaped stress layer matches the natural bending curvature of the flexible screen, which is used to support, release stress and elastically expand the flexible screen, so that the flexible screen maintains a natural bending state without compression or jamming during bending, thereby eliminating the protruding structure of traditional hinges.