Plastic metal integrated frame, backlight module, display screen and electronic equipment
By setting a connecting bridge around the metal frame and combining it with the plastic frame for one-piece injection molding, the problem of low bonding strength between the plastic frame and the metal frame is solved, and high-strength connection and improved stability of the backlight module are achieved.
Patent Information
- Application Number
- CN202422314285.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-20
- Publication Date
- 2025-09-12
- Estimated Expiration
- 2034-09-20
AI Technical Summary
The bonding strength between the plastic frame and the metal frame in existing backlight modules is relatively low, and is easily affected by external environmental factors, resulting in loosening or separation, which affects durability and reliability.
An outwardly protruding connecting bridge is provided around the metal frame and is fixedly connected to the metal frame through integral injection molding of a plastic frame, thereby forming a high-strength connection.
The bonding strength between the plastic frame and the metal frame is enhanced, the performance of the backlight module is improved, the product life is extended, and the stability of the overall structure is improved.
Smart Images

Figure CN223333481U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of display screens, and in particular to a plastic-metal integrated frame, a backlight module, a display screen and an electronic device. Background Art
[0002] With the rapid development and widespread adoption of mobile communication technology, the mobile internet has become an indispensable component of modern society, significantly driving the booming market for related derivative products. In recent years, the number of mobile internet-enabled smart terminal devices, such as smartphones, tablets, and high-definition digital televisions, has experienced explosive growth. These devices have not only profoundly changed people's lifestyles but also prompted consumers to place more stringent and diverse demands on the performance and user experience of smart products. Smart products with high-definition displays are particularly popular in the market. Their superior visual presentation has become a key indicator of product competitiveness.
[0003] As an essential core component of display screens, the backlight unit (BLU) is becoming increasingly important. Its primary responsibility is to provide a stable and evenly distributed light source, ensuring the display can clearly and accurately present images and video content, providing users with a comfortable and smooth visual experience. Therefore, the design, manufacturing, and quality of the BLU directly impact the overall product performance and quality.
[0004] However, existing backlight units typically feature a plastic frame and a metal frame in a single-piece, glue-and-iron structure. While this design meets basic requirements to a certain extent, its inherent flaws are gradually becoming apparent. Specifically, the bond strength between the plastic and metal frames is relatively weak, making them susceptible to external environmental factors (such as temperature fluctuations and mechanical stress), leading to loosening or even separation. This issue not only severely reduces the durability and reliability of the backlight unit but also directly threatens the safety and service life of the entire display screen and ultimately the end product, negatively impacting user experience and brand image.
[0005] Therefore, there is a need to improve the existing technology.
[0006] The above information is presented as background information only to assist with an understanding of the present disclosure and is not a determination or admission that any of the above may be applicable as prior art with respect to the present disclosure. Utility Model Content
[0007] The utility model provides a plastic-metal integrated frame, a backlight module, a display screen and an electronic device to solve the problems existing in the prior art.
[0008] To achieve the above objectives, the present invention provides the following technical solutions:
[0009] In a first aspect, the present invention provides a plastic-metal integrated frame, comprising a metal frame and a plastic frame; wherein,
[0010] The metal frame is provided with a plurality of outwardly protruding connection bridges around its periphery;
[0011] The plastic frame is integrally injection-molded on the metal frame and is fixedly connected to the metal frame via the connecting bridge.
[0012] Furthermore, in the plastic-metal integrated frame, a filling space is provided between the connecting bridge and the metal frame;
[0013] The filling space can be filled with injection molding material for molding the plastic frame.
[0014] Furthermore, in the plastic-metal integrated frame, the connecting bridge is in any one of a trapezoidal shape, an arched shape, a semicircular arc shape, a rectangular shape, and a triangular shape.
[0015] Furthermore, in the plastic-metal integrated frame, the trapezoidal connecting bridge includes two oblique beams and one horizontal beam;
[0016] The two oblique beams are symmetrically arranged on the periphery of the metal frame;
[0017] One of the transverse beams spans between the top ends of the two oblique beams.
[0018] Furthermore, in the plastic-metal integrated frame, a plurality of connecting grooves are provided on the periphery of the metal frame;
[0019] A plurality of connection blocks matching with the connection grooves are provided on the plastic frame at positions corresponding to the connection grooves.
[0020] In a second aspect, the present invention provides a backlight module, comprising a light-emitting component and a plastic-metal integrated frame as provided in the first aspect above;
[0021] The light emitting component is arranged in the plastic-metal integrated frame.
[0022] In a third aspect, the present invention provides a display screen, comprising a display panel and a backlight module as provided in the second aspect above;
[0023] The display panel cover is arranged on the top surface of the backlight module.
[0024] In a fourth aspect, the present invention provides an electronic device, comprising the display screen provided in the third aspect.
[0025] Compared with the prior art, the present invention has the following beneficial effects:
[0026] The utility model provides a plastic-metal integrated frame, backlight module, display screen and electronic device. By arranging an outwardly protruding connecting bridge on the periphery of the metal frame, and designing the plastic frame to be integrally injection-molded on the metal frame, and fixedly connected to the metal frame via the connecting bridge, the bonding strength between the plastic frame and the metal frame is greatly improved, which can effectively improve the performance of the backlight module and enhance product quality, thereby meeting consumers' growing quality demands for smart products.
[0027] The present invention has other features and advantages, which will be apparent from the accompanying drawings and subsequent detailed descriptions incorporated herein, or will be described in detail in the accompanying drawings and subsequent detailed descriptions incorporated herein, which together serve to explain the specific principles of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS
[0028] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.
[0029] Figure 1 This is a structural diagram of a plastic-metal integrated frame provided in the first embodiment of the present invention;
[0030] Figure 2 This is a structural diagram of the metal frame, connecting groove and connecting bridge provided in the first embodiment of the present invention;
[0031] Figure 3 This is a schematic diagram (enlarged) of the structure of the metal frame and the connecting bridge provided in the first embodiment of the present utility model;
[0032] Figure 4 This is a structural diagram of the plastic frame and the connecting block provided in the first embodiment of the present invention.
[0033] Reference numerals:
[0034] Metal frame 1, plastic frame 2, connecting bridge 3, filling space 4, connecting groove 5, connecting block 6;
[0035] An inclined beam 31 and a horizontal beam 32. DETAILED DESCRIPTION
[0036] In order to explain in detail the possible application scenarios, technical principles, specific solutions that can be implemented, and the purpose and effects of this application, the following is a detailed description of the specific embodiments listed in conjunction with the accompanying drawings. The embodiments described herein are only used to more clearly illustrate the technical solutions of this application and are therefore only examples and are not intended to limit the scope of protection of this application.
[0037] References to "embodiments" herein mean that the specific features, structures, or characteristics described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the word "embodiment" in various places in the specification does not necessarily refer to the same embodiment, nor does it particularly limit its independence or relevance to other embodiments. In principle, in this application, as long as there are no technical contradictions or conflicts, the various technical features mentioned in the embodiments can be combined in any manner to form a corresponding implementable technical solution.
[0038] Unless otherwise defined, the technical terms used herein have the same meanings as those generally understood by those skilled in the art to which this application belongs; the use of relevant terms herein is only for describing specific embodiments and is not intended to limit this application.
[0039] In the description of this application, the term "and / or" is used to describe a logical relationship between objects, indicating that three relationships can exist. For example, A and / or B means: A exists, B exists, and both A and B exist. In addition, the character " / " in this document generally indicates that the objects before and after are in a logical "or" relationship.
[0040] In this application, terms such as "first" and "second" are merely used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual quantity, priority or sequence relationship between these entities or operations.
[0041] Without further limitations, in this application, the words "include", "comprise", "have" or other similar expressions used in the sentences are intended to cover non-exclusive inclusion. These expressions do not exclude the presence of additional elements in the process, method or product including the elements, so that the process, method or product including a series of elements may include not only those defined elements, but also other elements not explicitly listed, or elements inherent to such process, method or product.
[0042] In this application, expressions such as "greater than," "less than," and "exceed" are understood to exclude the number itself; expressions such as "above," "below," and "within" are understood to include the number itself. In addition, in the description of the embodiments of this application, "multiple" means two or more (including two), and similar expressions related to "multiple" are also understood in this way, such as "multiple groups" and "multiple times," unless otherwise specifically limited.
[0043] In the description of the embodiments of the present application, the space-related expressions used, such as "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "vertical", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicate the orientation or position relationship based on the orientation or position relationship shown in the specific embodiments or drawings, and are only for the convenience of describing the specific embodiments of the present application or facilitating the reader's understanding, and do not indicate or imply that the device or component referred to must have a specific position, a specific orientation, or be constructed or operated in a specific orientation. Therefore, it should not be understood as a limitation on the embodiments of the present application.
[0044] Unless otherwise expressly specified or limited, in the description of the embodiments of the present application, the terms "installed", "connected", "connected", "fixed", "set", etc. used should be understood in a broad sense. For example, the "connection" can be a fixed connection, a detachable connection, or an integrated setting; it can be a mechanical connection, an electrical connection, or a communication connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. For those skilled in the art of the present application, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.
[0045] Example 1
[0046] In view of the aforementioned deficiencies in the prior art, the applicant, drawing upon years of extensive practical experience and expertise in the design and manufacture of such products, combined with the application of academic theory, has actively engaged in research and innovation, hoping to create a technology that can address these deficiencies and make the resulting backlight modules more practical and reliable. Through continuous research and design, and through repeated trial production and refinement, the applicant has finally created the present utility model, which possesses truly practical value.
[0047] Please refer to Figure 1-2 The embodiment of the present invention provides a plastic-metal integrated frame, which is characterized by comprising a metal frame 1 and a plastic frame 2; wherein,
[0048] The metal frame 1, the core of the support structure, is surrounded by several outwardly protruding connection bridges 3 that strengthen the connection with the plastic frame 2. These connection bridges 3 not only optimize the stability of the overall structure but also provide a solid connection foundation for the subsequent secure attachment of the plastic frame.
[0049] The plastic frame 2 is injection-molded in a single step, tightly fitting onto the metal frame 1. Crucially, the ingeniously designed bridges 3 ensure a high-strength, fixed connection between the plastic frame 2 and the metal frame 1. This connection not only simplifies the manufacturing process but also significantly enhances the bond between the two, ensuring the overall stability and durability of the frame.
[0050] Notably, this embodiment's innovative design—the provision of protruding connecting bridges 3 around the perimeter of the metal frame 1, combined with the integrated injection molding of the plastic frame 2—fundamentally enhances the bond strength between the plastic and metal materials. This improvement is crucial for enhancing the performance of components like the backlight module, effectively resisting environmental fluctuations and the various stresses of daily use, reducing malfunctions and extending product lifespan.
[0051] To sum up, the utility model not only meets the urgent demand for high-quality and high-stability frame structures in the field of smart products, but also achieves a significant improvement in product quality through technological innovation, providing the market with more reliable and durable smart device solutions, and effectively responding to consumers' growing expectations for the performance and quality of smart products.
[0052] Please refer again Figure 2 , further detailing a specific implementation of this embodiment, its uniqueness lies in the ingenious design between the connecting bridge 3 and the metal frame 1. Specifically, there is a specific filling space 4 between the two parts. This design is by no means accidental, but a well-thought-out move based on improving structural strength and stability.
[0053] The presence of filling space 4 provides a crucial condition for enhancing the bond strength between the plastic and metal materials during the subsequent injection molding process. During the production of plastic frame 2, the injection material not only forms the plastic frame itself but also fills filling space 4, forming a tight fit with connecting bridge 3 after curing. This process ensures a strong connection between plastic frame 2 and metal frame 1, greatly enhancing the bonding strength between the two.
[0054] In a refinement of this embodiment, the design diversity of the connecting bridge 3 is further enriched to meet the specific needs of different application scenarios. Specifically, the shape of the connecting bridge 3 is no longer limited to a single form, but can be flexibly selected to be any one of trapezoidal, arched, semicircular, rectangular, or triangular.
[0055] Each of these different shapes of connecting bridges 3 offers unique advantages and characteristics. The trapezoidal connecting bridge 3, with its stable structure and smooth transitions, helps disperse stress and enhance the overall frame's load-bearing capacity. The arched connecting bridge 3, with its elegant curves and excellent compressive resistance, enhances structural stability while also adding aesthetic value. The semicircular connecting bridge 3 reduces material usage while maintaining strength, achieving a lightweight design. The rectangular and triangular connecting bridges 3, with their simple and clear geometric forms, provide excellent structural support and positioning functions.
[0056] By adopting these diverse bridge 3 shapes, the design can be flexibly adjusted to the specific requirements of the backlight unit or other related components to achieve optimal performance and cost control. At the same time, this design flexibility also provides more possibilities for product customization, helping to meet the differentiated needs of different users.
[0057] In summary, this embodiment further enhances the practicality and market competitiveness of the integrated plastic-metal frame by introducing a variety of connection bridge shape designs, injecting new vitality into the development of smart products.
[0058] Please refer again Figure 2 , and combined with reference Figure 3 , in order to gain a deeper understanding of the specific structural details of the trapezoidal connecting bridge 3 in this embodiment. In this embodiment, the trapezoidal connecting bridge 3 is carefully designed as a stable structure composed of two inclined beams 31 and a horizontal beam 32.
[0059] Specifically, two oblique beams 31, serving as two sides of the trapezoidal structure, are symmetrically arranged around the perimeter of the metal frame 1. This symmetrical layout not only ensures the aesthetics of the structure, but more importantly, it helps evenly distribute the stress borne by the metal frame 1 throughout the entire connecting bridge structure, thereby improving the overall frame's load-bearing capacity and stability.
[0060] The crossbeam 32 serves as the upper base of the trapezoidal structure, spanning between the tops of the two diagonal beams 31. The addition of the crossbeam 32 further enhances the strength of the connecting bridge, allowing it to withstand forces from all directions without deformation or breakage. Furthermore, the crossbeam 32 connects the diagonal beams 31 on either side, forming a unified whole and strengthening its bond with the plastic frame 2.
[0061] During the injection molding process of the plastic frame 2, the injection material fully fills every corner of the trapezoidal connecting bridge 3, tightly integrating with the diagonal beams 31 and cross beams 32 to form an indivisible integral structure. This design not only improves the bonding strength between the plastic frame 2 and the metal frame 1, but also ensures that components such as the backlight module maintain stable performance during use.
[0062] Please refer again Figure 2 , and combined with reference Figure 4 In one implementation of this embodiment, the connection strength between the metal frame 1 and the plastic frame 2 is further enhanced. Specifically, a plurality of connection grooves 5 are designed around the periphery of the metal frame 1, and a plurality of connection blocks 6 that closely match these connection grooves 5 are provided at corresponding positions on the plastic frame 2.
[0063] It is understood that the plastic frame 2 is directly molded onto the metal frame 1 via integral injection molding, and the connecting block 6, as part of the plastic frame 2, is also molded simultaneously with the plastic frame 2 during the injection molding process. Specifically, during the injection molding process, the connecting block 6 is integrally molded onto the plastic frame 2 at a location corresponding to the connecting groove 5. This creates an inseparable whole with the plastic frame 2 and forms a tight fit with the connecting groove 5 on the metal frame 1.
[0064] The size, shape, and position of these connecting blocks 6 closely match the connecting slots 5 to ensure a seamless connection between the two. Made of the same material as the plastic frame 2, the connecting blocks 6 exhibit excellent flexibility and elasticity, allowing them to deform to a certain extent during installation to accommodate the shape and size differences in the connecting slots 5, thereby achieving a tighter fit.
[0065] It should be noted that the enhanced design of the connecting bridge 3 , combined with the precise fit between the connecting groove 5 and the connecting block 6 , together constitute a triple guarantee for a stable connection between the metal frame 1 and the plastic frame 2 .
[0066] First, connecting bridge 3, which serves as a bridge between metal frame 1 and plastic frame 2, not only strengthens the connection between them, but also disperses stress through its unique shape (e.g., trapezoidal or arched), improving the overall frame's load-bearing capacity and deformation resistance. The presence of connecting bridge 3 makes the connection between metal frame 1 and plastic frame 2 more secure and reliable, capable of withstanding greater external forces and impacts.
[0067] Secondly, the interlocking relationship between the connecting groove 5 and the connecting block 6 further ensures the tightness and stability of the two during the connection process. This design effectively prevents the plastic frame 2 from shifting or loosening when subjected to external forces, thereby ensuring the stability of the overall structure.
[0068] Finally, the synergistic effect of these three elements creates an unprecedentedly stable bond between metal frame 1 and plastic frame 2. This design far surpasses traditional connection methods in terms of structural strength, stability, and durability. It not only meets the high-quality, highly reliable structural requirements of smart products, but also provides a solid guarantee for the long-term use of the product.
[0069] Although the terms "metal frame," "plastic frame," and "connecting bridge" are frequently used in this application, the use of other terms is not excluded. These terms are used only to more conveniently describe and explain the essence of the present invention; interpreting them as any additional limitations is contrary to the spirit of the present invention.
[0070] The utility model provides a plastic-metal integrated frame. By arranging an outwardly protruding connecting bridge around the periphery of the metal frame, and designing the plastic frame to be integrally injection-molded on the metal frame, and fixedly connected to the metal frame via the connecting bridge, the bonding strength between the plastic frame and the metal frame is greatly improved, which can effectively improve the performance of the backlight module and enhance product quality, thereby meeting consumers' growing quality demands for smart products.
[0071] Example 2
[0072] The embodiment of the present utility model provides a backlight module, comprising a light-emitting component and a plastic-metal integrated frame as provided in the first embodiment above;
[0073] The light emitting component is arranged in the plastic-metal integrated frame.
[0074] It should be noted that this backlight module is particularly suitable for electronic devices that have high requirements for display effects and durability, such as smart phones, tablet computers and high-end monitors.
[0075] Light-emitting components: As the core component of the backlight module, the light-emitting component is responsible for providing a uniform and high-brightness light source to ensure that the display panel can present clear and vivid images. The light-emitting component can include components such as LED light strips, light guide plates, and reflectors. They work together to convert electrical energy into light energy and achieve uniform light distribution through optimized design.
[0076] Integrated plastic-metal frame: This frame adopts the structural design described in the first embodiment above, consisting of a metal frame 1, a plastic frame 2, and a connecting bridge 3. This integrated frame not only offers excellent strength and stability, effectively protecting the internal light-emitting components from external shock and vibration, but also achieves a tight bond between plastic and metal through injection molding technology, improving the overall frame's sealing and corrosion resistance.
[0077] In summary, the backlight module provided by this embodiment achieves comprehensive improvements in display quality, durability, and manufacturing costs by combining efficient light-emitting components with a reinforced plastic-metal integrated frame. This innovative backlight module design will bring even better display performance and user experience to the electronic device field.
[0078] Example 3
[0079] The embodiment of the present utility model provides a display screen, comprising a display panel and a backlight module as provided in the above-mentioned embodiment 2;
[0080] The display panel cover is arranged on the top surface of the backlight module.
[0081] It should be noted that the display screen is designed to provide users with a clearer, brighter and more durable visual experience through a carefully designed structural combination.
[0082] Display Panel: As the core component of a display, the display panel is responsible for presenting images and video content. It utilizes advanced display technologies such as LCD (liquid crystal display) and OLED (organic light-emitting diode) to achieve high resolution, high color saturation, and fast response times. Display panels typically contain multiple pixels, each of which independently controls the brightness and color of light, producing realistic images.
[0083] Backlight Module: The backlight module in this embodiment, as described in Example 2 above, comprises a light-emitting assembly and an integrated plastic-metal frame. The light-emitting assembly provides a uniform, high-brightness light source for the display panel, while the integrated plastic-metal frame serves as a support and protective structure, ensuring the stability and durability of the backlight module. The backlight module design fully considers the distribution and utilization efficiency of light to achieve optimal display effects.
[0084] In summary, the display screen provided by this embodiment achieves comprehensive improvements in display quality, durability, and user experience by integrating a high-performance display panel with an advanced backlight module. This innovative display screen design will bring even more outstanding visual performance and user experience to various electronic devices.
[0085] Example 4
[0086] An embodiment of the present utility model provides an electronic device, including the display screen provided in the third embodiment, which brings excellent visual experience and usage feeling to users.
[0087] The core component of the electronic device in this embodiment is the display screen, which directly adopts the design of Example 3. The display screen serves as the visual output interface of the electronic device and is responsible for presenting multimedia content such as images, videos, and text. In addition to the display screen, the electronic device may also include various other components, such as a processor, memory, battery, camera, and speaker. These components work together to realize the various functions of the electronic device.
[0088] In summary, the electronic device provided in this embodiment achieves a comprehensive improvement in visual experience, durability, and overall performance by adopting the display screen design described in Example 3. This innovative electronic device design will bring users a more excellent user experience and market competitiveness.
[0089] Finally, it should be noted that although the above embodiments have been described in the specification and drawings of this application, this does not limit the scope of patent protection of this application. All technical solutions generated by replacing or modifying equivalent structures or equivalent processes based on the essential concepts of this application using the contents recorded in the specification and drawings of this application, as well as directly or indirectly implementing the technical solutions of the above embodiments in other related technical fields, are included in the scope of patent protection of this application.
Claims
1. A plastic-metal integrated frame, characterized in that: It comprises a metal frame (1) and a plastic frame (2); wherein, A plurality of outwardly protruding connection bridges (3) are provided on the periphery of the metal frame (1); The plastic frame (2) is integrally injection-molded on the metal frame (1) and is fixedly connected to the metal frame (1) via the connecting bridge (3); A filling space (4) is provided between the connecting bridge (3) and the metal frame (1); The filling space (4) can be filled with injection molding material for molding the plastic frame (2).
2. The plastic-metal integrated frame according to claim 1, wherein: The connecting bridge (3) is any one of a trapezoidal shape, an arch shape, a semicircular arc shape, a rectangle shape, and a triangle shape.
3. The plastic-metal integrated frame according to claim 2, characterized in that: The trapezoidal connecting bridge (3) comprises two oblique beams (31) and a transverse beam (32); The two inclined beams (31) are symmetrically arranged on the periphery of the metal frame (1); One of the cross beams (32) spans between the top ends of the two oblique beams (31).
4. The plastic-metal integrated frame according to claim 1, wherein: A plurality of connecting grooves (5) are also provided around the periphery of the metal frame (1); A plurality of connection blocks (6) that cooperate with the plurality of connection grooves (5) are provided on the plastic frame (2) at positions corresponding to the plurality of connection grooves (5).
5. A backlight module, characterized in that: It comprises a light-emitting component and a plastic-metal integrated frame as claimed in any one of claims 1 to 4; The light emitting component is arranged in the plastic-metal integrated frame.
6. A display screen, characterized in that: comprising a display panel and the backlight module as claimed in claim 5; The display panel cover is arranged on the top surface of the backlight module.
7. An electronic device, characterized in that: Comprising the display screen as claimed in claim 6.