A foldable flexible optoelectronic display device

By introducing a cooperating structure of connecting components, rotating shaft components, and limiting gears into the flexible display screen, combined with a heat dissipation system, the problem of heat dissipation failure of the light-emitting element in a bent state is solved, achieving efficient heat dissipation and improving the stability and service life of the device.

CN224682768UActive Publication Date: 2026-08-25GUANGDONG SIGNLINK TECH CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202521980440.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-15
Publication Date
2026-08-25
Estimated Expiration
2035-09-15

AI Technical Summary

Technical Problem

Existing flexible displays tend to have their light-emitting elements accumulate when bent, which prevents heat from being effectively dissipated and can easily lead to problems such as screen burn-in.

Method used

The heat dissipation system, consisting of a connecting component, a rotating shaft component, and a limiting gear, combined with a base mechanism, heat dissipation holes, heat conduction plates, a filter component, and a fan blade component, achieves efficient heat removal.

Benefits of technology

It effectively avoids heat buildup, reduces the probability of screen burn-in, improves the stability and lifespan of the device, and ensures the stability of multi-angle hovering and flexible displays.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224682768U_ABST
    Figure CN224682768U_ABST
Patent Text Reader

Abstract

The utility model discloses a kind of foldable flexible optoelectronic display devices, the utility model relates to optoelectronic display technical field, the foldable flexible optoelectronic display device, including support substrate, the support substrate is equipped with two, the utility model is cooperated through connecting assembly, pivot assembly and limit gear, while realizing multi-angle hovering function, avoid the heat of traditional flexible display screen due to light emitting element accumulation and be difficult to emit problem, its seat body mechanism, heat dissipation hole, heat conduction sheet, filter screen component, fan blade component and miniature driver constitute heat dissipation system, can efficiently export and emit the heat generated when device works, effectively reduce the occurrence probability of screen burning and other faults, improve the stability and service life of device, through the multilayer structure of support substrate front end setting, on the premise of guaranteeing flexible display function realization, through bottom protective layer and outer protective film to the internal structure are comprehensively protected.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of optoelectronic display technology, specifically a foldable flexible optoelectronic display device. Background Technology

[0002] With the continuous development of optoelectronic technology, flexible display devices, due to their bendability and portability, have been widely used in smartphones, smart wearable devices, flexible screen laptops, and other fields. An existing patent, CN213303507U, describes a flexible display screen comprising flexible light strips extending along a first direction, with multiple flexible light strips spaced apart along a second direction. Each flexible light strip emits light along a third direction, and the first, second, and third directions are mutually perpendicular. A transparent fixing clip extends along the second direction, used to connect the flexible light strips and to limit the spacing between adjacent flexible light strips. This flexible display screen exhibits good bending performance, transparency, and wind resistance, making it suitable for various applications.

[0003] Regarding the aforementioned technologies, the inventors believe that the following defects exist: When existing flexible displays are used, in order to hover at multiple angles, the light-emitting elements inside them generally accumulate when the screen is bent. The heat generated by the excessively accumulated light-emitting elements cannot be effectively dissipated, which can easily lead to screen burn-in. Therefore, we propose a foldable flexible optoelectronic display device to solve the above-mentioned problems. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a foldable flexible optoelectronic display device, which solves the problem that when existing flexible displays are used, the light-emitting elements inside generally accumulate when the screen is bent in order to hover at multiple angles. The heat generated by the excessively accumulated light-emitting elements cannot be effectively dissipated, which can easily lead to screen burn-in.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solution: a foldable flexible optoelectronic display device, including a support substrate, wherein there are two support substrates, and the two support substrates are arranged opposite to each other, and a connecting component is fixedly connected to the inner surface of each support substrate.

[0006] The connecting components are perpendicular to the inner side of the supporting base plate, and there are four connecting components in total. Each pair of longitudinally adjacent connecting components forms a group, and the two groups of connecting components are arranged opposite to each other. A rotating shaft assembly is installed on the inner side of each group of connecting components, and a limiting gear is fixedly connected to the outer side of the rotating shaft assembly. The two limiting gears mesh with each other.

[0007] Preferably, the connecting component, the rotating shaft component, and the limiting gear are rotatably connected to the inner side of the base mechanism, and the base mechanism is used to connect and support the two support base plates.

[0008] Preferably, the main body of the seat mechanism is a box structure with a one-way opening on the rear side, and the interior of the seat mechanism has a rectangular array of heat dissipation holes, which are bidirectional through-structures on both the front and rear sides.

[0009] Preferably, a heat-conducting plate is fixedly connected to the rear side of the seat mechanism. The heat-conducting plate is a copper metal structure and is used to transfer heat inside the seat mechanism.

[0010] Preferably, a filter assembly is fixedly connected to the rear side of the heat-conducting sheet. There are four filter assemblies in total, with each pair of longitudinally adjacent filter assemblies forming a group, and the two groups of filter assemblies are arranged in a longitudinal array within the base mechanism.

[0011] Preferably, each filter assembly has a fan blade assembly on its inner side, and a micro actuator is provided at the rear end of the filter assembly to drive the fan blade assembly to rotate.

[0012] Preferably, the front end of the supporting substrate is provided with a bottom protective layer, a flexible substrate, a display material layer, a polarizer and an outer protective film in sequence from the inside to the outside.

[0013] Beneficial effects

[0014] This invention provides a foldable flexible optoelectronic display device. Compared with the prior art, it has the following advantages:

[0015] This foldable flexible optoelectronic display device, through the cooperation of connecting components, rotating shaft components and limiting gears, can achieve multi-angle hovering function while avoiding the problem of heat dissipation caused by the accumulation of light-emitting elements in traditional flexible displays. Its heat dissipation system, consisting of a base mechanism, heat dissipation holes, heat conduction sheets, filter components, fan blade components and micro drivers, can efficiently conduct and dissipate the heat generated during device operation, effectively reducing the probability of screen burn-in and other failures, and improving the stability and service life of the device.

[0016] This foldable flexible optoelectronic display device, through a multi-layer structure set at the front end of the supporting substrate, ensures the realization of flexible display function while providing comprehensive protection for the internal structure through a bottom protective layer and an outer protective film, thereby enhancing the durability of the device. At the same time, the setting of the polarizer optimizes the display effect, so that the device can balance display quality and structural reliability while having foldable and multi-angle hovering characteristics. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the disassembled front view of the optoelectronic display device of this utility model;

[0018] Figure 2 This is a schematic diagram of the combined structure of the support substrate and connecting components of the optoelectronic display device of this utility model;

[0019] Figure 3 This is a schematic diagram of the combined structure of the base mechanism and heat dissipation holes of the optoelectronic display device of this utility model;

[0020] Figure 4 This is a top view of the support substrate of the optoelectronic display device of this utility model in a folded state.

[0021] Figure 5 This is a schematic diagram of the disassembled left-side structure of the optoelectronic display device of this utility model;

[0022] Figure 6 This is a schematic diagram of the combination structure of the rotating shaft assembly and the limiting gear of the optoelectronic display device of this utility model.

[0023] In the figure: 1. Support substrate; 101. Connecting assembly; 1011. Rotating shaft assembly; 1012. Limiting gear; 2. Seat mechanism; 201. Heat dissipation hole; 2011. Heat-conducting sheet; 2012. Filter assembly; 2013. Fan blade assembly; 2014. Micro driver; 3. Bottom protective layer; 301. Flexible substrate; 3011. Display material layer; 3012. Polarizing film; 3013. Outer protective film. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Please see Figures 1-6 The present invention provides a technical solution: a foldable flexible optoelectronic display device, including a support substrate 1, which is provided in two places and the two support substrates 1 are arranged opposite to each other, and a connecting component 101 is fixedly connected to the inner side of each of the two support substrates 1.

[0026] The connecting component 101 is perpendicular to the inner side of the support base plate 1, and there are four connecting components 101 in total. Each pair of longitudinally adjacent connecting components 101 forms a group. The two groups of connecting components 101 are arranged opposite to each other, and a rotating shaft assembly 1011 is installed on the inner side of each group of connecting components 101. A limiting gear 1012 is fixedly connected to the outer side of the rotating shaft assembly 1011, and the two limiting gears 1012 mesh with each other.

[0027] Each claim in the claims should be summarized in a separate paragraph, concisely outlining its effect. The summary should include numerical designations for the parts and should not be enclosed in parentheses.

[0028] See Figures 1-3 The connecting component 101, the rotating shaft component 1011, and the limiting gear 1012 are rotatably connected to the inner side of the base mechanism 2, and the base mechanism 2 is used to connect and support the two support base plates 1.

[0029] The connecting component 101, the rotating shaft component 1011, and the limiting gear 1012 are rotatably connected to the inside of the base mechanism 2. The base mechanism 2 can effectively connect and support the two support substrates 1, thereby enhancing the stability of the overall structure of the device.

[0030] See Figures 2-5 The main body of the seat mechanism 2 is a box structure with a one-way opening on the rear side, and the interior of the seat mechanism 2 has a rectangular array of heat dissipation holes 201, which are bidirectional through structures on the front and rear sides.

[0031] The base mechanism 2 adopts a box structure with a unidirectional opening on the rear side, and the internal rectangular array of heat dissipation holes 201 (through-the-front and rear) can promote air circulation and provide a channel for heat dissipation inside the device.

[0032] See Figures 4-6 A heat-conducting plate 2011 is fixedly connected to the rear side of the seat mechanism 2. The heat-conducting plate 2011 is a copper metal structure and is used to transfer heat inside the seat mechanism 2.

[0033] The copper heat-conducting plate 2011 on the rear side of the base mechanism 2 can efficiently transfer internal heat, improve the heat dissipation efficiency of the device, and avoid heat accumulation.

[0034] See Figures 1-2 A filter assembly 2012 is fixedly connected to the rear side of the heat-conducting plate 2011. There are four filter assemblies 2012 in total. Each pair of longitudinally adjacent filter assemblies 2012 forms a group, and the two groups of filter assemblies 2012 are arranged in a longitudinal array in the base mechanism 2.

[0035] By setting four filter assemblies 2012 (each pair of which are longitudinally adjacent and arranged in a longitudinal array) on the rear side of the heat-conducting sheet 2011, the air entering the base mechanism 2 can be filtered to prevent dust and other impurities from entering and affecting the operation of the device.

[0036] See Figures 5-6 Each filter assembly 2012 has a fan blade assembly 2013 on its inner side, and a micro driver 2014 is provided at the rear end of the filter assembly 2012. The micro driver 2014 is used to drive the fan blade assembly 2013 to rotate.

[0037] The fan blade assembly 2013 inside each filter assembly 2012 rotates under the drive of the micro-driver 2014, which can accelerate airflow, further enhance heat dissipation, and ensure stable operation of the device.

[0038] See Figures 1-2 The front end of the support substrate 1 is provided with a bottom protective layer 3, a flexible substrate 301, a display material layer 3011, a polarizer 3012 and an outer protective film 3013 from the inside to the outside.

[0039] The bottom protective layer 3, flexible substrate 301, display material layer 3011, polarizer 3012 and outer protective film 3013 are arranged sequentially from the inside to the outside of the front end of the supporting substrate 1. The multi-layer structure works together to ensure the realization of the display function, protect the internal structure, and adapt to the requirements of flexible display.

[0040] During operation, the two opposing support base plates 1 serve as the main operating carriers during the folding and adjustment process. When an external force is applied to fold or unfold the device, the support base plate 1 transmits the force through the connecting components 101 that are vertically fixed on its inner side. There are four connecting components 101, with each pair of longitudinally adjacent components forming a group and distributed in opposite directions. The rotating shaft components 1011 installed on its inner side rotate synchronously. Since the outer sides of the two groups of rotating shaft components 1011 are fixedly connected to the limiting gears 1012, and the two limiting gears 1012 mesh with each other, a linkage constraint is formed during rotation. This ensures that the support base plate 1 can rotate smoothly around the axis, and also enables suspension at any angle through the inter-tooth limiting of the meshing gears, avoiding shaking or angle deviation during folding and ensuring the accuracy and stability of the folding operation. At the same time, the connecting components 101, the rotating shaft components 1011, and the limiting gears 1012 are all rotatably connected to the inner side of the base mechanism 2. The base mechanism 2, as the main connecting support, provides a stable installation foundation for the entire folding structure, preventing the components from shifting or falling off during rotation.

[0041] In the display operation phase, the multi-layered structure arranged sequentially from the inside to the outside at the front end of the support substrate 1 plays a crucial role. The bottom protective layer 3 is directly attached to the support substrate 1, providing physical protection for the inner structure and preventing damage to the flexible components caused by the rigidity of the support substrate 1. The flexible substrate 301, as the core load-bearing layer, adapts to the folding action of the support substrate 1 with its flexibility, ensuring that the display structure is not damaged in the bending state. The display material layer 3011 is attached to the surface of the flexible substrate 301 and is responsible for the conversion and display of image signals, which is the core component for realizing visual output. The polarizer 3012 covers the outside of the display material layer 3011 and optimizes the display contrast by filtering light from specific directions, thereby improving the image clarity. The outermost protective film 3013 is in direct contact with the outside world, resisting external interference such as dust and scratches, and protecting the internal display structure from damage. The multi-layered structure is tightly attached and bends synchronously under the action of the support substrate 1, ensuring stable display even in the folded state.

[0042] The base mechanism 2 adopts a box structure with a unidirectional opening on the rear side. The internal rectangular array of heat dissipation holes 201 provides a channel for heat flow, allowing the internal heat of the device to diffuse outward through the through-holes. The copper heat-conducting plate 2011 fixed on the rear side of the base mechanism 2 has high thermal conductivity and can quickly absorb the heat generated by the base mechanism 2 and surrounding components and conduct it to the outside. The four filter assemblies 2012 on the rear side of the heat-conducting plate 2011 (each pair is longitudinally adjacent as a group, distributed in a longitudinal array) allow airflow while filtering dust and impurities in the air. To prevent contamination of components or blockage of heat dissipation holes 201 inside the base mechanism 2, the fan blade assembly 2013 inside each filter assembly 2012 rotates continuously under the drive of the micro-driver 2014, forming a directional airflow: external cold air enters after being filtered by the filter assembly 2012, absorbs heat when flowing through the heat-conducting plate 2011, and then enters the base mechanism 2 through the heat dissipation hole 201, and finally carries the internal heat out from the opening on the rear side of the base mechanism 2, forming a complete heat dissipation cycle, ensuring that the device can maintain a suitable operating temperature in the folded or unfolded state.

[0043] In summary, by incorporating a micro-driver 2014, this device can drive the fan blade assembly 2013 to rotate, thus preventing heat buildup.

[0044] Furthermore, any content not described in detail in this specification is existing technology known to those skilled in the art.

Claims

1. A foldable flexible optoelectronic display device, comprising a support substrate (1), characterized in that: The support substrate (1) is provided in two places, and the two support substrates (1) are arranged opposite to each other. A connecting component (101) is fixedly connected to the inner side of the two support substrates (1). The connecting component (101) is perpendicular to the inner side of the support base plate (1), and there are four connecting components (101) in total. Each pair of longitudinally adjacent connecting components (101) forms a group. The two groups of connecting components (101) are arranged opposite to each other. A rotating shaft assembly (1011) is installed on the inner side of each group of connecting components (101). A limiting gear (1012) is fixedly connected to the outer side of the rotating shaft assembly (1011), and the two limiting gears (1012) mesh with each other.

2. The foldable flexible optoelectronic display device according to claim 1, characterized in that: The connecting component (101), the rotating shaft component (1011), and the limiting gear (1012) are rotatably connected to the inner side of the seat mechanism (2), and the seat mechanism (2) is used to connect and support the two support base plates (1).

3. The foldable flexible optoelectronic display device according to claim 2, characterized in that: The main body of the seat mechanism (2) is a box structure with a one-way opening on the rear side, and the interior of the seat mechanism (2) is provided with heat dissipation holes (201) in a rectangular array. The heat dissipation holes (201) are a two-way through structure on both the front and rear sides.

4. The foldable flexible optoelectronic display device according to claim 3, characterized in that: A heat-conducting plate (2011) is fixedly connected to the rear side of the seat mechanism (2). The heat-conducting plate (2011) is a copper metal structure and is used to transfer heat inside the seat mechanism (2).

5. A foldable flexible optoelectronic display device according to claim 4, characterized in that: The heat-conducting sheet (2011) is fixedly connected to the rear side of the filter assembly (2012). There are four filter assemblies (2012) in total. Each pair of longitudinally adjacent filter assemblies (2012) forms a group, and the two groups of filter assemblies (2012) are arranged in a longitudinal array in the seat mechanism (2).

6. A foldable flexible optoelectronic display device according to claim 5, characterized in that: Each filter assembly (2012) has a fan blade assembly (2013) on its inner side, and a micro actuator (2014) is provided at the rear end of the filter assembly (2012). The micro actuator (2014) is used to drive the fan blade assembly (2013) to rotate.

7. A foldable flexible optoelectronic display device according to claim 1, characterized in that: The front end of the support substrate (1) is provided with a bottom protective layer (3), a flexible substrate (301), a display material layer (3011), a polarizer (3012) and an outer protective film (3013) from the inside to the outside.

Citation Information

Patent Citations

  • Flexible display screen

    CN213303507U