Door body display device and household appliance thereof
By installing an electronic paper display module on the dishwasher door, users can personalize their color and pattern selections, solving the problem of mismatch between the door and home decor colors. The display is energy-efficient and emits no harmful blue light.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-24
- Publication Date
- 2026-03-17
AI Technical Summary
The existing dishwashers have fixed door colors, which cannot meet users' personalized needs, and the traditional materials do not match the color scheme of home furnishings.
The system employs an electronic paper display module, including an electronic paper component and a driver component. It is detachably connected to the door frame component via a mounting plate component, enabling the display of different colors and patterns. It is then controlled in conjunction with a display operation module.
It enables users to personalize their color and pattern choices, solves the problem of matching door colors with home decor, and the e-paper display is energy-saving and emits no harmful blue light.
Smart Images

Figure CN223994869U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of kitchen appliance technology, and in particular to a door display device and a household appliance. Background Technology
[0002] Currently, dishwasher doors typically open and close facing the user, and are mostly made of a fixed color of glass or slab material. Because the door color is fixed, it sometimes doesn't match the color scheme of the user's home décor. Some users even want to customize the door color or pattern, but the existing standard glass or slab material cannot meet their personalized needs. Summary of the Invention
[0003] This utility model aims to at least partially solve one of the problems existing in the prior art. To this end, this utility model proposes a door display device capable of displaying different colored wallpapers or patterns to meet users' personalized needs. This utility model also provides a household appliance.
[0004] The door display device provided above is implemented through the following technical solution:
[0005] A door display device includes: a door frame assembly; an electronic paper display module, including an electronic paper component and a driving component, wherein the electronic paper component is disposed on the front side of the door frame assembly, and the driving component is disposed on the electronic paper component or the mounting door frame assembly and connected to the electronic paper component, for controlling the display color or display pattern of the electronic paper component; and a mounting plate assembly, wherein the electronic paper component is detachably connected to the door frame assembly through the mounting plate assembly.
[0006] In some embodiments, the electronic paper assembly includes a protective film and an electronic paper unit, the protective film being disposed on the front side of the electronic paper unit, and the driving assembly being disposed on the electronic paper unit.
[0007] In some embodiments, the electronic paper unit includes an ink layer, a PET layer, and an ITO layer. The ink layer is disposed behind the protective film, the PET layer is disposed between the protective film and the ink layer, at least one ITO layer is disposed between the PET layer and the ink layer, and the driving component is disposed on the ink layer.
[0008] In some embodiments, the electronic paper display module further includes a connector disposed on the electronic paper unit.
[0009] In some embodiments, the mounting plate assembly includes two fixed mounting plates, and the opposite ends of the electronic paper assembly are detachably connected to the door frame assembly via the two fixed mounting plates.
[0010] In some embodiments, the mounting plate and the door frame assembly are detachably connected by multiple fasteners or multiple snap-fit structures. A positioning groove is provided at one end of the mounting plate near the electronic paper assembly, and the end of the electronic paper assembly near the mounting plate is inserted into the positioning groove.
[0011] In some embodiments, a display operation module is also included, which is disposed on top of the door frame assembly and electrically connected to the drive assembly.
[0012] In some embodiments, the display operation module includes an upper plastic frame, a display operation panel, and a display panel. The upper plastic frame is detachably installed on the top of the door frame assembly. The display operation panel is disposed inside the upper plastic frame and electrically connected to the drive assembly. The display panel is disposed on the top or upper front of the upper plastic frame.
[0013] In some embodiments, the display operation module further includes a protective cover disposed in front of the display operation panel and detachably mounted on the front of the upper plastic frame.
[0014] The household appliance described above is achieved through the following technical solution:
[0015] A household appliance includes an inner liner assembly with an opening on one side and a door display device as described above, the door display device being movably mounted at the opening of the inner liner assembly.
[0016] Compared with the prior art, the present invention has at least the following beneficial effects:
[0017] The door display device of this utility model has an electronic paper component that can be detachably installed on the front of the door frame component via a mounting plate component. A drive component is set on the electronic paper component or the door frame component and connected to the electronic paper component to control the display color or display pattern of the electronic paper component. This enables the display of different colored wallpapers or patterns, and users can select colors and switch display content, thus solving the problem of personalized matching and home color schemes. Attached Figure Description
[0018] Figure 1 This is an exploded view of the door display device in an embodiment of this utility model;
[0019] Figure 2 This is a schematic diagram of the electronic paper component in an embodiment of this utility model.
[0020] In the diagram: 1-Door frame assembly, 11-Vertical frame, 12-Reinforcing plate; 21-Electronic paper assembly, 211-Protective film, 212-Ink layer, 213-PET layer, 214-ITO layer, 22-Drive assembly, 23-Connector; 31-Fixed mounting plate, 311-Fixing hole, 312-Positioning groove; 41-Upper plastic frame, 42-Display operation panel, 43-Display panel, 44-Protective cover. Detailed Implementation
[0021] The following embodiments illustrate the present invention, but the present invention is not limited to these embodiments. Modifications to the specific implementation of the present invention or equivalent substitutions for some technical features, without departing from the spirit of the present invention, should all be covered within the scope of the technical solution claimed by the present invention.
[0022] refer to Figure 1-2 This embodiment provides a door display device, including a door frame assembly 1, an inner door assembly (not shown in the figure), an electronic paper display module, and a mounting plate assembly. The inner door assembly and the electronic paper display module are detachably mounted on the back and front of the door frame assembly, respectively. The electronic paper display module includes an electronic paper component 21 and a driving component 22. The electronic paper component 21 is disposed on the front of the door frame assembly 1 and is detachably connected to the door frame assembly 1 through the mounting plate assembly. The driving component 22 is disposed on or mounted on the door frame assembly 1 and connected to the electronic paper component 21. It is used to control the display color or display pattern of the electronic paper component 21, so that the front of the door display device can display different colored wallpapers or patterns. Users can select colors and switch display content, solving the problem of personalized matching and home color schemes. Furthermore, the electronic paper component 21 is low in cost, energy-saving during display, and has no blue light damage.
[0023] refer to Figure 1 The door frame assembly 1 includes two vertical frames 11 and two reinforcing plates 12. The two vertical frames 11 are arranged side by side with intervals, and the two reinforcing plates 12 are connected and fixed to the upper and lower ends of the two vertical frames 11 to enhance the overall strength of the door frame assembly 1.
[0024] refer to Figure 2 The electronic paper assembly 21 includes a protective film 211 and an electronic paper unit. The protective film 211 is disposed on the front side of the electronic paper unit, and the driving assembly 22 is disposed on the electronic paper unit for controlling the electronic paper unit to display colors or patterns. Specifically, the protective film 211 needs to be made of a colorless and transparent material, preferably a high-temperature resistant colorless and transparent material, generally polystyrene (PS), glass panel, or acrylic.
[0025] The electronic paper unit includes an ink layer 212, a PET layer 213, and an ITO layer 214. The ink layer 212 is disposed behind the protective film 211, the PET layer 213 is disposed between the protective film 211 and the ink layer 212, and at least one ITO layer 214 is disposed between the PET layer 213 and the ink layer 212. The driving component 22 is disposed on the ink layer 212. Specifically, the PET layer material needs to meet good physical and mechanical properties, have high temperature resistance and insulation properties, and is generally selected from polyethylene terephthalate. The ITO layer material requires high conductivity and high light transmittance, and is mainly coated by vacuum magnetron sputtering, with indium tin oxide as the coating material. The ink layer 212 is the solution for achieving the display effect.
[0026] The core principle of electronic paper technology lies in using tiny capsules or particles filled with charged liquids or particles. By applying an electric current, their arrangement is altered, thereby displaying different images or text. Specifically, electronic paper technology mainly includes EI nk microcapsule technology and SiPi x microcup technology, which form images by controlling the movement of charged particles. These capsules or particles are located in the ink layer 212. The colored particles or capsules themselves do not emit light; the light source comes from ambient natural light or supplemental lighting from the product stacking front. Different colored particles or capsules have different driving voltages. When different voltages are applied to the driving component 22, the outermost layer of the particles or capsules has different colors, forming different color or pattern display effects. In this embodiment, the specific display method of the electronic paper unit includes, but is not limited to, any of the following:
[0027] category Electronic paper unit 1st generation Electronic paper unit 2nd generation Electronic paper unit 3rd generation number of floors Double ITO layer Single-layer ITO layer Single-layer ITO layer Basic colors Two-color Two-color 6 primary colors Display effect Gradient colors can be achieved flashing Dynamic color change
[0028] refer to Figure 2 Furthermore, the electronic paper display module also includes a communication power supply connector 23, which is disposed on the ink layer 212 of the electronic paper unit and is used to connect the display operation module of the door display device.
[0029] refer to Figure 1The mounting plate assembly includes two fixed mounting plates 31. The opposite ends of the electronic paper component 21 are detachably connected to the door frame assembly 1 via the two fixed mounting plates 31. Specifically, the fixed mounting plates 31 and the door frame assembly are detachably connected via multiple fasteners or multiple snap-fit structures. In this embodiment, the fixed mounting plates 31 are provided with multiple fixing holes 311 arranged at left and right intervals. The fasteners are inserted laterally through the fixing holes 311 and then securely connected to the door frame assembly 1. A positioning groove 312 is provided at one end of the fixed mounting plate 31 near the electronic paper component 21. The end of the electronic paper component 21 near the fixed mounting plate 31 is inserted into the positioning groove 312, thereby reliably mounting the electronic paper component 21 on the front of the door frame assembly 1 via the two fixed mounting plates 31. It should be noted that the joint between the fixed mounting plates 31 and the electronic paper component 21 and the door frame assembly 1 can be bonded with sealant to prevent moisture and water vapor from adhering between the electronic paper display module and the door frame assembly, which would affect the display effect.
[0030] refer to Figure 1 Furthermore, the door display device also includes a display operation module (not shown in the figure). The display operation module is located on the top of the door frame assembly 1 and is electrically connected to the drive assembly 22, thereby enabling data exchange and display between the electronic paper display module and the display operation module, generally using a communication protocol. The drive assembly of the electronic paper display module pre-stores display content information, such as the static display of wallpaper effect when the whole machine is turned off, the display of different patterns at different stages of the whole machine's operation, etc. In this embodiment, the electronic paper display module and the display operation module are connected by communication and power supply, and both are installed on the door frame assembly 1, making the whole machine installation simple. In other embodiments, the electronic paper display module can also be connected to the main control board of the household appliance, communicating and being powered by the main control board. The electronic paper display module is an energy-saving component, but in order to maintain a better display effect after the whole system is powered off, an auxiliary power supply system can also be designed in the electronic paper display module.
[0031] The display operation module includes an upper plastic frame 41, a display operation panel 42, and a display panel 43. The upper plastic frame 41 is detachably installed on the top of the door frame assembly 1. The display operation panel 42 is disposed inside the upper plastic frame 41 and electrically connected to the drive assembly 22. The display panel 43 is disposed on the top or upper front of the upper plastic frame 41, thereby facilitating operation of the door display device by the user from the top or upper front. In addition, the display operation module also includes a protective cover 44, which is disposed in front of the display operation panel 42 and is detachably installed on the front of the upper plastic frame 41. This allows the display operation panel 41 to be hidden between the protective cover 44 and the upper plastic frame 41, while also facilitating disassembly and maintenance from the front.
[0032] This embodiment also provides a household appliance, which is any one of a dishwasher, steam oven, oven, steam oven, or disinfection cabinet. The appliance includes an inner liner assembly (not shown in the figure) with an opening on one side and a door display device as described above. The door display device is movably installed at the opening of the inner liner assembly for opening or closing the opening. Therefore, the door display device of this embodiment allows users to select colors and switch display content, addressing personalized matching and home color schemes. Furthermore, the dynamic effect image displays a rendering of the interior of the appliance's inner liner assembly, is less expensive than an LCD screen, and is energy-efficient and emits no blue light.
[0033] The above descriptions are merely some embodiments of this utility model. For those skilled in the art, various modifications and improvements can be made without departing from the inventive concept of this utility model, and all such modifications and improvements fall within the protection scope of this utility model.
Claims
1. A door display device, characterized by, The door frame assembly (1) comprises: An electronic paper display module, comprising an electronic paper assembly (21) and a driving assembly (22), the electronic paper assembly (21) is arranged on the front of the door frame assembly (1), the driving assembly (22) is arranged on the electronic paper assembly (21) or the door frame assembly (1) and connected with the electronic paper assembly (21), used for controlling the display color or display pattern of the electronic paper assembly (21); And A mounting plate assembly, the electronic paper assembly (21) is detachably connected with the door frame assembly (1) through the mounting plate assembly. The electronic paper assembly (21) comprises a protective film (211) and an electronic paper unit, the protective film (211) is arranged on the front of the electronic paper unit, and the driving assembly (22) is arranged on the electronic paper unit.
2. The door display device of claim 1, wherein The electronic paper unit comprises an ink layer (212), a PET layer (213) and an ITO layer (214), the ink layer (212) is arranged behind the protective film (211), the PET layer (213) is arranged between the protective film (211) and the ink layer (212), at least one ITO layer (214) is arranged between the PET layer (213) and the ink layer (212), and the driving assembly (22) is arranged on the ink layer (212).
3. The door display device of claim 2, wherein The electronic paper display module further comprises a connector (23), and the connector (23) is arranged on the electronic paper unit.
4. The door display device of claim 2, wherein The mounting plate assembly comprises two fixed mounting plates (31), and opposite ends of the electronic paper assembly (21) are detachably connected with the door frame assembly (1) through the two fixed mounting plates (31).
5. The door display device of claim 1, wherein The fixed mounting plate (31) is detachably connected with the door frame assembly through a plurality of fasteners or a plurality of buckle structures, a positioning groove (312) is formed in one end of the fixed mounting plate (31) close to the electronic paper assembly (21), and one end of the electronic paper assembly (21) close to the fixed mounting plate (31) is inserted into the positioning groove (312).
6. The door display device of claim 5, wherein Further comprising a display operation module, the display operation module is arranged on the top of the door frame assembly (1) and is electrically connected with the driving assembly (22).
7. The door display apparatus according to any one of claims 1 to 6, wherein The display operation module comprises an upper plastic frame (41), a display operation plate (42) and a display plate (43), the upper plastic frame (41) is detachably mounted on the top of the door frame assembly (1), the display operation plate (42) is arranged in the upper plastic frame (41) and is electrically connected with the driving assembly (22), and the display plate (43) is arranged on the top or the front upper end of the upper plastic frame (41).
8. The door display device of claim 7, wherein The display operation module further comprises a protective cover (44), the protective cover (44) is arranged in front of the display operation plate (42) and is detachably mounted on the front of the upper plastic frame (41).
9. The door display device of claim 8, wherein The door body display device comprises an inner container assembly with an opening on one side and a door body display device according to any one of claims 1-9, and the door body display device is movably mounted at the opening of the inner container assembly.
10. A domestic appliance characterized in that,