Display device for refrigerator, door body and refrigerator

Abstract

The utility model belongs to the field of refrigeration and freezing, and particularly provides a display device for a refrigerator, a door body and the refrigerator. A display device of an existing refrigerator is too abrupt, and the problem that the display device is inconsistent with the overall design style of the refrigerator exists. Therefore, the utility model provides the display device for the refrigerator, which comprises a dot matrix screen provided with a plurality of light sources in an array form and used for displaying the state information of the refrigerator; and the decorative plate is used for hiding the dot matrix screen, the decorative plate is provided with a plurality of light-transmitting areas, and light emitted by each light source can transmit out from at least one light-transmitting area, so that a user can see state information of the refrigerator. According to the utility model, the technical problems are solved.

Description

Technical Field

[0001] This utility model belongs to the field of refrigeration and freezing, and specifically provides a display device, door, and refrigerator for a refrigerator. Background Technology

[0002] As a crucial interface for interaction between the refrigerator and the user, the design and functionality of refrigerator displays are receiving increasing attention. However, in practical applications, many refrigerator displays often appear out of place and clash with the overall design style of the refrigerator. This not only affects the refrigerator's aesthetics but also reduces the user experience. Utility Model Content

[0003] One objective of this invention is to solve the problem that the display device of existing refrigerators is too obtrusive and clashes with the overall design style of the refrigerator.

[0004] In order to solve the above-mentioned problems in the prior art, the purpose of this utility model is to provide a display device for a refrigerator that can be naturally integrated into the overall design of the refrigerator, improve the aesthetics of the refrigerator, and at the same time improve the information display effect of the display device.

[0005] To achieve the above objectives, the present invention provides, in a first aspect, a display device for a refrigerator, comprising:

[0006] The dot matrix screen has multiple light sources arranged in an array to display the status information of the refrigerator;

[0007] A decorative panel is used to conceal the dot matrix screen. The decorative panel is provided with multiple light-transmitting areas, and the light emitted by each light source can pass through at least one of the light-transmitting areas so that the user can see the status information of the refrigerator.

[0008] Optionally, the light-transmitting area is a through hole penetrating the decorative panel.

[0009] Optionally, each of the light sources corresponds to at least one of the through holes; and / or,

[0010] All of the light-transmitting areas are distributed in an array on the decorative panel.

[0011] Optionally, the decorative panel has a recessed groove on the side facing the dot matrix screen, and the projection of the light source onto the decorative panel is located within the recessed groove.

[0012] Optionally, all of the light-transmitting areas are located on the bottom wall of the settling tank.

[0013] To achieve the above objectives, the present invention provides a refrigerator door in a second aspect, wherein the display device described above is included.

[0014] Optionally, the refrigerator door further includes:

[0015] A concealed door handle is provided horizontally along the bottom of the door body, the dot matrix screen is embedded in the concealed door handle, and the decorative panel is installed on the front side of the concealed door handle.

[0016] Optionally, the refrigerator door further includes:

[0017] Linear lights, in the shape of strips, are positioned along the upper edge of the decorative panel;

[0018] The decorative panel extends laterally along the concealed door handle, and the dot matrix screen is located at one end of the concealed door handle laterally.

[0019] Optionally, the refrigerator door further includes:

[0020] The handle light is installed in the handle groove of the concealed door handle.

[0021] To achieve the above objectives, the present invention provides a refrigerator in a third aspect, comprising the display device described in any one of the preceding claims or the door body described in any one of the preceding claims.

[0022] Based on the foregoing description, those skilled in the art will understand that in the aforementioned technical solution of this utility model, the dot matrix screen is hidden by a decorative panel. The decorative panel is provided with multiple light-transmitting areas, and the light emitted by each of the light sources can be transmitted through at least one of the light-transmitting areas, so that the user can see the status information of the refrigerator. This allows the display device to be naturally integrated into the overall design of the refrigerator, avoiding the display device from being too obtrusive in the refrigerator and improving the aesthetics of the refrigerator.

[0023] Furthermore, by setting the light-transmitting area as a through-hole penetrating the decorative panel, it helps the dot matrix screen dissipate heat to the outside from the through-hole.

[0024] Furthermore, by having each light source correspond to at least one through hole, this design ensures that the light emitted by each light source can effectively pass through the decorative panel, reducing light loss and interference during transmission. This ensures that users can accurately see the refrigerator's status information while the decorative panel hides the dot matrix screen.

[0025] Furthermore, by providing a recessed groove on the side of the decorative panel facing the dot matrix screen, the presence of the recessed groove makes the part of the decorative panel corresponding to the light source thinner, reducing the obstruction of light when passing through the decorative panel. This helps to enhance the light transmittance, allowing the light emitted by the light source to pass through the decorative panel more clearly, thereby improving the display effect of the display device.

[0026] Other beneficial effects of this utility model will be described in detail below with reference to the accompanying drawings, so that those skilled in the art can more clearly understand the improvement purpose, features and advantages of this utility model. Attached Figure Description

[0027] To more clearly illustrate the technical solution of this utility model, some embodiments of this utility model will be described below with reference to the accompanying drawings. Those skilled in the art should understand that the same reference numerals may indicate the same or similar components or parts in different drawings; the drawings of this utility model are not necessarily drawn to scale. In the drawings:

[0028] Figure 1 This is a front view of a refrigerator according to some embodiments of the present invention;

[0029] Figure 2 yes Figure 1 A magnified view of part A in the middle;

[0030] Figure 3 yes Figure 1 A sectional view of the central gate section;

[0031] Explanation of reference numerals in the attached figures:

[0032] 001. Refrigerator;

[0033] 002. Door body;

[0034] 100. Display device; 200. Concealed door handle; 300. Linear light; 400. Handle light;

[0035] 110. Dot matrix screen; 120. Decorative panel; 130. Handle groove;

[0036] 111. Light source; 121. Light-transmitting area; 123. Submerged groove; 122. Through hole. Detailed Implementation

[0037] Those skilled in the art should understand that the embodiments described below are merely some embodiments of the present invention, and not all embodiments of the present invention. These embodiments are intended to explain the technical principles of the present invention and are not intended to limit the scope of protection of the present invention. Based on the embodiments provided by the present invention, all other embodiments obtained by those skilled in the art without creative effort should still fall within the scope of protection of the present invention.

[0038] For ease of understanding by those skilled in the art, the following references are made. Figures 1 to 3 The present invention will be illustrated by way of example of the refrigerator 001 and refrigerator door 002, and the display device 100 in conjunction with the refrigerator 001 and refrigerator door 002.

[0039] like Figure 1 and Figure 2 As shown, in some embodiments of this utility model, a display device 100 is provided on the door 002 of the refrigerator 001 to display the status information of the refrigerator 001. The status information of the refrigerator 001 may include information such as whether the food is expired or the current operating mode of the refrigerator 001.

[0040] like Figure 3 As shown, in some embodiments of this utility model, the display device 100 includes a dot matrix screen 110 and a decorative panel 120. The dot matrix screen 110 has multiple light sources 111 arranged in an array to display the status information of the refrigerator 001. The decorative panel 120 is used to hide the dot matrix screen 110 and has multiple light-transmitting areas 121. Light emitted from each light source 111 can pass through at least one light-transmitting area 121, allowing the user to see the status information of the refrigerator 001.

[0041] Those skilled in the art will understand that existing refrigerators often have display screens, and some of these screens are quite large, making them appear out of place and affecting the overall harmony of the refrigerator.

[0042] This invention conceals the dot matrix screen 110 using a decorative panel 120. The decorative panel 120 has multiple light-transmitting areas 121, allowing light emitted from each light source 111 of the dot matrix screen 110 to pass through at least one light-transmitting area 121. This allows the decorative panel 120 to conceal the dot matrix screen 110, covering it behind the decorative panel 120 and reducing the visual obtrusiveness of the dot matrix screen 110 on the refrigerator 001. Simultaneously, the decorative panel 120 does not affect the information display on the dot matrix screen 110.

[0043] In some embodiments of this utility model, the dot matrix screen 110 can be an LED dot matrix screen, the light source 111 is a light-emitting diode on the LED dot matrix screen, the light-emitting diodes are arranged in an array, and the light-transmitting areas 121 on the decorative panel 120 are also arranged in an array accordingly, so as to ensure that the light emitted by each light-emitting diode can be transmitted from at least one light-transmitting area 121.

[0044] In some embodiments of this utility model, the dot matrix screen 110 is an LED dot matrix screen, the light source 111 is a light-emitting diode on the LED dot matrix screen, the light-emitting diodes are arranged in an array, and the light-transmitting area 121 on the decorative panel 120 is set one-to-one with the light-emitting diodes, so that the light emitted by each light-emitting diode can be transmitted through its corresponding light-transmitting area 121.

[0045] As those skilled in the art will understand, since the light-emitting diodes (LEDs) are arranged in an array on the dot matrix screen 110, and the light-transmitting areas 121 on the decorative panel 120 correspond one-to-one with each LED, the light spots of the LEDs transmitted through each light-transmitting area 121 can be seen from the decorative panel 120. The decorative panel 120 blocks some of the unnecessary light scattering from the LEDs, allowing only a portion of the light to pass through the light-transmitting areas 121 of the decorative panel 120 and illuminate the front of the refrigerator 001. This design ensures that the light emitted by each LED can accurately pass through the corresponding light-transmitting area 121, thereby clearly and accurately displaying the status information of the refrigerator 001, such as temperature and working mode.

[0046] At the same time, the light from the LED is transmitted through the light-transmitting area 121, forming a soft and uniform light effect, which enhances the overall visual aesthetics of the refrigerator 001.

[0047] like Figure 3 As shown, in some embodiments of this utility model, the light source 111 of the dot matrix screen 110 continuously releases heat during operation. Existing display devices typically use glass to cover the front of the light source 111, which has poor air permeability and makes it difficult for heat to dissipate to the outside of the display device 100. However, in this embodiment, by setting the light-transmitting area 121 as a through hole 122 penetrating the decorative panel 120, it helps the dot matrix screen 110 dissipate heat to the outside from the through hole 122, so that the display device 100 can always maintain excellent working performance.

[0048] In some embodiments of this utility model, each light source 111 corresponds to at least one through hole 122, and all light-transmitting areas 121 are distributed in an array on the decorative panel 120. This ensures that the light emitted by each light source 111 can effectively pass through the decorative panel 120, reducing light loss and interference during transmission. While the decorative panel 120 hides the dot matrix screen 110, it ensures that the user can accurately see the status information of the refrigerator 001.

[0049] like Figure 3 As shown, in some embodiments of this utility model, the light source 111 can be set one-to-one with the through hole 122. The light emitted by each light source 111 can effectively pass through the decorative panel 120 through the through hole 122 corresponding to that light source 111, reducing the loss and interference of light during transmission. While the decorative panel 120 hides the dot matrix screen 110, it ensures that the user can accurately see the status information of the refrigerator 001.

[0050] Continue reading Figure 3In some embodiments of this utility model, a recessed groove 123 is provided on the side of the decorative panel 120 facing the dot matrix screen 110, and the projection of the light source 111 on the decorative panel 120 is located within the recessed groove 123. The presence of the recessed groove 123 makes the portion of the decorative panel 120 corresponding to the light source 111 thinner, reducing the obstruction of light when passing through the decorative panel 120. This helps to enhance the light transmittance, allowing the light emitted by the light source 111 to pass through the decorative panel 120 more clearly, thereby improving the display effect of the display device 100.

[0051] Continue reading Figure 3 In some embodiments of this utility model, all the light-transmitting areas 121 are set on the bottom wall of the sink 123, thereby enhancing the transmittance of all light on the dot matrix screen 110 when it passes through the decorative panel 120.

[0052] In some embodiments of this utility model, the decorative panel 120 can be made of aluminum plate, and through holes 122 are created by dot matrix drilling of the aluminum decorative panel 120. The side of the aluminum decorative panel 120 facing the dot matrix screen 110 is milled to form a groove 123. The aluminum decorative panel 120 is then subjected to an oxidation treatment to improve its corrosion resistance.

[0053] In some other embodiments of this invention, the decorative panel 120 can be made of stainless steel. Stainless steel has excellent corrosion resistance and strength, and can resist moisture and corrosion near the refrigerator 001. The stainless steel plate is laser-drilled or mechanically drilled to create the required through holes 122. Then, the side of the stainless steel plate facing the dot matrix screen 110 is milled or ground to form a groove 123. Finally, the stainless steel plate can be polished to improve its surface gloss and aesthetics.

[0054] In other embodiments of this invention, highly transparent or light-transmitting plastic materials, such as polycarbonate (PC), acrylonitrile-butadiene-styrene (ABS), or polymethyl methacrylate (PMMA), can be used. These materials have good light transmittance, processability, and weather resistance.

[0055] In this embodiment, the decorative panel 120 with through holes 122 can be manufactured using processes such as injection molding or laser cutting. For the portion requiring the formation of grooves 123, the corresponding structure can be pre-designed during mold design. Furthermore, the plastic decorative panel 120 can undergo surface hardening or coating treatment to improve its wear resistance and scratch resistance.

[0056] In some other embodiments of this invention, the decorative panel 120 can be made of materials such as tempered glass or plexiglass (e.g., acrylic sheet). These materials have high transparency, high strength, and good impact resistance.

[0057] In this embodiment, the required through holes 122 are created on the glass plate by means of laser cutting or mechanical drilling. For the formation of the recessed groove 123, the back of the glass plate can be ground or polished to create the desired recessed structure. Furthermore, the glass decorative panel 120 can be chamfered to improve its safety and aesthetics.

[0058] In some other embodiments of this invention, a decorative panel 120 composed of multiple materials, such as aluminum-plastic composite panels or fiberglass, can be used. These materials combine the advantages of different materials and have excellent overall performance.

[0059] In this embodiment, a suitable processing technology is selected based on the type and characteristics of the composite material to produce the decorative panel 120 with through holes 122 and grooves 123. For example, for aluminum-plastic composite panels, the aluminum plate can be drilled and milled first, and then laminated with the plastic layer; for fiberglass, the required decorative panel 120 can be produced through processes such as mold forming and cutting.

[0060] This utility model also provides a door 002 for a refrigerator 001, the door 002 including any of the above-mentioned display devices 100.

[0061] like Figure 3 As shown, in some embodiments of this utility model, the door body 002 also includes a hidden door handle 200, which is arranged horizontally below the door body 002. The dot matrix screen 110 is embedded in the hidden door handle 200, and the decorative panel 120 is installed on the front side of the hidden door handle 200.

[0062] Continue reading Figure 3 In some embodiments of this utility model, a linear light 300 is provided on the door body 002. The linear light 300 is strip-shaped and located on the upper edge of the decorative panel 120. The decorative panel 120 and the linear light 300 can be flush with the user-facing side to give the door body 002 a better visual effect. The decorative panel 120 extends laterally along the concealed door handle 200 and covers the front side of the concealed door handle 200.

[0063] In other words, only a portion of the decorative panel 120 has a light-transmitting area 121, and a dot-matrix screen 110 is installed at the corresponding location of the light-transmitting area 121. The linear lights 300 are controlled by different LED beads to achieve color-changing and flow of light, conveying different information.

[0064] Continue reading Figure 3In some embodiments of this utility model, the door body 002 is provided with a handle light 400, which is disposed within the handle groove 130 of the concealed door handle 200. The handle groove 130 is located behind the display device 100 and is used by the user to grip the handle. The handle light 400, extending along the handle groove 130, is embedded in the top surface of the handle groove 130. The handle light 400 allows the user to easily find and grip the door handle in dark environments, avoiding inconvenience or safety hazards caused by poor visibility.

[0065] Especially at night or in dimly lit kitchen environments, the illuminated handle light 400 provides clear guidance for users, making opening the refrigerator door easier and more intuitive. By placing the handle light 400 within the handle groove 130 of the concealed door handle 200, the space on the door 002 is fully utilized, avoiding the need for additional installation space. This design makes the refrigerator door 002 look cleaner and simpler, with no unnecessary lighting fixtures or exposed cables.

[0066] like Figure 1 As shown, this utility model also provides a refrigerator 001, including any of the above-mentioned display devices 100 or any of the door bodies 002. The refrigerator 001 is divided into three layers. The top layer can be a refrigerator compartment with a double-door design. The middle layer of the refrigerator 001 can be a variable temperature compartment, and the bottom layer can be a freezer compartment.

[0067] The aforementioned display device 100 can be installed on any door 002 of the refrigerator 001 or in other locations of the refrigerator 001. For example, the display device 100 can also be installed on the cabinet.

[0068] like Figures 1 to 3 As shown, in some embodiments of this utility model, the display device 100 can be located below the refrigerator door 002, that is, the door 002 including the display device 100 is considered as the refrigerator door. The display device 100 can be installed on the lower side of only one of the doors 002 in a double-door refrigerator configuration, placing the display device 100 in a position easily accessible to the user (such as below the refrigerator door), allowing the user to easily view the status information of the refrigerator 001, such as temperature, humidity, and preservation status, when opening or closing the refrigerator door. This design reduces the inconvenience of users needing to bend over or find other locations to view information, improving the convenience and comfort of user interaction.

[0069] For existing conventional refrigerators, users need to open the refrigerator door (002) or simply check the status information displayed on the refrigerator's screen to check the refrigerator's (001) status. This human-computer interaction method is relatively simple. For example, if food inside the refrigerator is about to expire, the status information displayed on the refrigerator's (001) screen may not attract the user's attention.

[0070] Therefore, in some embodiments of this utility model, the door 002 uses a new appearance interaction technology. Through the coordinated linkage of the display device 100, handle light 400, and linear light 300, information is fed back to the user. This enhances the user's interactive perception, effectively attracts the user's attention, and helps the user better manage the food in the refrigerator 001. This utility model, by combining light with the display device 100, more clearly expresses the status of the refrigerator 001, allowing the user to understand the status of the refrigerator 001 more promptly and clearly.

[0071] Meanwhile, in this embodiment, the display device 100 can show key information such as the operating status and temperature setting of the refrigerator 001. The linear light 300 and the handle light 400 can provide additional visual cues through dynamic effects such as color changes and flashing, such as notifying the user whether the refrigerator door is closed or whether there are any new notifications.

[0072] This diverse information display method allows users to understand the status of refrigerator 001 more intuitively, improving readability and ease of use. Multiple information display methods make the refrigerator door 002 more intelligent and user-friendly, enhancing the overall user experience. Users can quickly identify the status of refrigerator 001 through different lighting effects without frequently opening the refrigerator door or checking other devices. Furthermore, this design also increases the aesthetics and technological feel of refrigerator 001, making it a beautiful addition to the home environment.

[0073] In addition, in some embodiments of this utility model, after setting the display device 100, the linear light 300 and the handle light 400, the refrigerator 001 not only has basic information display functions, but can also be used as part of a home smart ecosystem.

[0074] For example, when food inside refrigerator 001 is about to expire, the linear light 300 can flash to remind the user; or when the refrigerator door is not closed, the handle light 400 can flash to alert the user. This enhanced functionality makes refrigerator 001 more intelligent and convenient, meeting users' needs for smart home living.

[0075] In some embodiments of this utility model, when a user approaches the refrigerator 001, the refrigerator 001 presents a welcoming effect. The linear light of the linear light 300 flows from the refrigerator 001 to both sides, and the color is blue. The dot matrix screen 110 displays an icon and "HELLO". The linear light breathes once. The handle light 400 illuminates downwards, shining on the freezer handle, and the color is blue.

[0076] In some embodiments of this invention, when expired food is present inside the refrigerator 001, the dot matrix screen 110 displays a milk icon, the linear light turns yellow, and it rapidly breathes to both sides, with the light illuminating the handle also turning yellow. The milk icon and exclamation mark inform the user of the expiration information. The dot matrix icon can display the corresponding food icon based on the different expired ingredients.

[0077] In some embodiments of this invention, when the refrigerator 001 is in certain operating modes, the dot matrix screen 110 displays operating information. For example, when the refrigerator 001 is running the sterilization mode, a shield icon is displayed on the dot matrix screen 110, accompanied by flashing stars, forming an animation playback.

[0078] In some embodiments of this utility model, the dot matrix screen 110 is mainly located on the right side of the handle of the refrigerator door body 002 of the refrigerator 001.

[0079] The technical solution of this utility model has been described in conjunction with several embodiments above. However, it will be readily understood by those skilled in the art that the protection scope of this utility model is not limited to these specific embodiments. Without departing from the technical principles of this utility model, those skilled in the art can disassemble and combine the technical solutions in the above embodiments, and can also make equivalent changes or substitutions to the relevant technical features. Any changes, equivalent substitutions, improvements, etc., made within the technical concept and / or technical principles of this utility model will fall within the protection scope of this utility model.

[0080] Finally, it should be noted that the refrigerator 001 of this utility model is a refrigerator in a broad sense, which includes not only the refrigerator as commonly referred to in the narrow sense, but also preservation equipment with refrigeration and / or freezing functions, such as refrigerators, freezers, etc.

[0081] In this invention, the term "connection" means fluid communication, allowing fluid (e.g., air, liquid) to flow between two interconnected entities. Furthermore, this "connection" can be either a leak-free flow of fluid between two interconnected entities, or a flow with slight leakage of fluid between two interconnected entities.

[0082] It should be noted that in the description of this utility model, terms such as "center", "upper", "lower", "top", "bottom", "left", "right", "vertical", "horizontal", "inner", and "outer" that indicate direction or positional relationship are based on the direction or positional relationship shown in the accompanying drawings. This is only for the convenience of description and does not indicate or imply that the device or element must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation of this utility model.

[0083] Furthermore, it should be noted that, in the description of this utility model, unless otherwise explicitly specified and limited, the terms "installation", "connection" and "linking" should be interpreted broadly. For example, they can be fixed connections, detachable connections, or integral connections; they can be mechanical connections or electrical connections; they can be direct connections or indirect connections through an intermediate medium; and they can also refer to the internal connection of two components.

[0084] For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to the specific circumstances. For example, unless otherwise specified, the terms "installation," "connection," "joining," and "fixing" can specifically refer to any feasible connection form such as bolt connection, screw connection, welding, insertion, riveting, fusion welding, and snap-fit.

[0085] Furthermore, it should be noted that in the description of this utility model, the terms "coldness" and "heat" are two descriptions of the same physical state. That is, the higher the "coldness" of a target object (e.g., evaporator, air, condenser, etc.), the lower its "heat," and vice versa. A target object absorbs "coldness" while releasing "heat," and releases "coldness" while absorbing "heat."

[0086] A target object retains "cold" or "heat" to maintain its current temperature. "Refrigeration" and "heat absorption" are two descriptions of the same physical phenomenon, that is, a target object (such as an evaporator) absorbs heat while refrigerating.

[0087] The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature, that is, include one or more of that feature.

[0088] In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified. When a feature "includes or contains" one or more of the features it covers, unless otherwise specifically described, this indicates that other features are not excluded and may be further included.

[0089] Unless otherwise specified, all terms (including technical and scientific terms) used in the description of this embodiment have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains.

[0090] In the description of this embodiment, the terms "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this utility model. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

Claims

1. A display device for a refrigerator, wherein, The display device comprises: a dot matrix screen provided with a plurality of light sources in an array for displaying state information of the refrigerator; a decorative plate for hiding the dot matrix screen, the decorative plate being provided with a plurality of light-transmissive regions, light emitted by each of the light sources being able to pass through at least one of the light-transmissive regions so that a user can see the state information of the refrigerator.

2. The display device according to claim 1, wherein the light-transmissive regions are through holes passing through the decorative plate.

3. The display device according to claim 2, wherein each of the light sources corresponds to at least one of the through holes; and / or all of the light-transmissive regions are distributed on the decorative plate in an array.

4. The display device according to claim 1, wherein a side of the decorative plate facing the dot matrix screen is provided with a sink, a projection of the light source on the decorative plate being located in the sink.

5. The display device according to claim 4, wherein all of the light-transmissive regions are provided on a bottom wall of the sink.

6. A door body for a refrigerator, wherein, The display device according to any one of claims 1-5. 7.The door body for a refrigerator according to claim 6, wherein Further comprising: a hidden door handle arranged below the door body along a transverse direction of the door body, the dot matrix screen being embedded in the hidden door handle, and the decorative plate being mounted on a front side of the hidden door handle. 8.The door body for a refrigerator according to claim 7, wherein Further comprising: a line lamp arranged on an upper edge of the decorative plate in a strip shape; the decorative plate extending along a transverse direction of the hidden door handle, and the dot matrix screen being arranged at one end of the hidden door handle along the transverse direction. 9.The door body for a refrigerator according to claim 7, wherein Further comprising: a handle lamp arranged in a handle groove of the hidden door handle.

10. A refrigerator, wherein, The display device according to any one of claims 1-5 or the door body according to any one of claims 6-9.

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