Washing machine and control method

Abstract

The application discloses a washing machine and a control method. The washing machine comprises a shell, a display screen, a film sheet with multiple function icons, a background light source module and an icon light source module. The background light source module comprises a first light guide plate, a background light source and a plurality of second light guide plates. The first light guide plate comprises a first light-out surface and a first light-in surface. The first light-out surface faces the film sheet, and the first light-in surface is adjacent to the first light-out surface. The background light source is arranged on one side of the first light guide plate and has an out-light direction facing the first light-in surface. Each second light guide plate comprises a second light-in surface and a second light-out surface. The second light-out surface faces the first light guide plate, and the second light-in surface is adjacent to the second light-out surface. Multiple groups of icon light sources are arranged on one side of the plurality of second light guide plates respectively, and have out-light directions respectively facing the second light-in surfaces of the corresponding second light guide plates. The application can solve the problem of uneven icon display effect.

Description

Technical Field

[0001] This application relates to the field of household appliance technology, and more particularly to a washing machine and its control method. Background Technology

[0002] As people's living standards improve, washing machines are widely used in households. Nowadays, people are not only pursuing the practicality and versatility of washing machine functions, but also paying more attention to the appearance and aesthetics of the operating interface, so that people can operate the washing machine in a relaxed and pleasant state of mind rather than in a boring and tedious way.

[0003] Currently, most washing machines on the market use LED lights and colored films for their operation displays. The films are printed with corresponding program names or icons based on the washing machine's functions. When the washing machine is operating, the name or icon displays the corresponding color of the film. However, when the icon is lit, there is a problem of uneven display, with the center of the icon being bright and the edges being dark. To make the icon display more uniform, the number of LED lights needs to be increased, leading to increased costs. Summary of the Invention

[0004] This application discloses a washing machine and a control method that can solve the problem of uneven icon display.

[0005] To achieve the above objectives, in a first aspect, embodiments of this application provide a washing machine, comprising:

[0006] shell;

[0007] The display screen is disposed on the housing and includes:

[0008] Light-transmitting protective layer;

[0009] A diaphragm, which is disposed below the light-transmitting protective layer, has multiple functional icons;

[0010] A background light source module is disposed below the diaphragm and is used to illuminate the background light of the display screen.

[0011] An icon light source module is disposed below the background light source module, and the icon light source module is used to illuminate the function icons on the membrane.

[0012] A control module is electrically connected to the background light source module and the icon light source module respectively to control the background light source module and the icon light source module;

[0013] The background light source module includes:

[0014] A first light guide plate is disposed between the diaphragm and the icon light source module. The first light guide plate includes a first light emitting surface and a first light incident surface. The first light emitting surface faces the diaphragm, and the first light incident surface is adjacent to the first light emitting surface.

[0015] Background light source, wherein the background light source is disposed on one side of the first light guide plate, and the light emission direction of the background light source is towards the first light incident surface;

[0016] The icon light source module includes:

[0017] A plurality of second light guide plates are disposed below the first light guide plate and are arranged at intervals along a direction parallel to the first light guide plate. The plurality of second light guide plates correspond to a plurality of function icons. Each second light guide plate includes a second light-incident surface and a second light-outcident surface. The second light-outcident surface faces the first light guide plate, and the second light-incident surface is adjacent to the second light-outcident surface.

[0018] Multiple sets of icon light sources are respectively disposed on one side of multiple second light guide plates, and the light emission direction of the multiple sets of icon light sources is respectively directed toward the second light incident surface of the corresponding second light guide plate.

[0019] In this way, when the icon light source emits light, the light enters the interior of the second light guide plate from the second light-incident surface of the second light guide plate, and after being dispersed in all directions by the second light-out surface of the second light guide plate, it shines out from the second light-out surface of the second light guide plate, illuminating the entire surface of the function icon, so that the brightness of each part of the function icon is the same, avoiding the uneven display effect after the icon light source illuminates the function icon, which presents a state of bright in the middle and dark around the edges.

[0020] Furthermore, since the second light guide plate can disperse the light from the icon light source in all directions, only a small number of icon light sources are needed to make the function icons display evenly. This avoids the need to set up a large number of icon light sources to make the function icons display evenly due to the fixed light direction of the icon light source, thus reducing the number of icon light sources and helping to reduce the manufacturing cost of the washing machine display screen.

[0021] As an optional implementation, the background light source includes a plurality of first LEDs, which are spaced apart along a length direction parallel to the first light-incident surface.

[0022] In this way, the light received by the first light-incident surface of the first light guide plate from the background light source can be more uniform, which can further ensure the uniform distribution of light and avoid local over-brightness or under-brightness, thereby providing clearer and more uniform background light and improving the visual effect of the display screen background.

[0023] As an optional implementation, there are multiple first light guide plates and multiple sets of background light sources. The multiple first light guide plates are arranged sequentially along the length direction parallel to the film, and a set of background light sources is provided on one side of the first light incident surface of each first light guide plate.

[0024] In this way, each group of background light sources can be controlled independently. By controlling different groups of background light sources, different areas of the display screen background can be illuminated. When different groups of background light sources are lit up in sequence or alternately, gradient light effects or dynamic displays can be achieved, which improves the display effect and makes the user experience better when using the washing machine.

[0025] As an optional implementation, each group of icon light sources includes multiple second LEDs, the multiple second LEDs in the same group of icon light sources emit the same color, and the second LEDs in different groups of icon light sources emit different colors.

[0026] In this way, the second LEDs of different colors can be controlled independently according to the needs of the function icons, thereby achieving a richer display effect. Different functional modules can be distinguished by different colors of light, allowing users to identify and operate them more intuitively.

[0027] As an optional implementation, a plurality of the second LEDs in each group of icon light sources are arranged at intervals along a length direction parallel to the second light-incident surface.

[0028] In this way, the spaced arrangement of multiple second LEDs allows for a more uniform light distribution, thereby improving the overall brightness of the display area and achieving a clearer and more uniform icon display effect. Furthermore, the spaced arrangement helps reduce heat accumulation between the multiple second LEDs, thus reducing the risk of localized overheating and extending the lifespan of the multiple second LEDs.

[0029] As an optional implementation, the control module can control the lighting sequence and / or brightness of the background light source module and the icon light source module.

[0030] In this way, by controlling the lighting sequence, users can be guided to complete the operation step by step. Furthermore, users can adjust the brightness and lighting sequence of the icon lights according to their own usage habits, achieving personalized display effects and improving the convenience and comfort of operation. In addition, the control module can dynamically adjust the brightness and lighting sequence of the background light and icon lights according to different operating scenarios, achieving dynamic display effects such as gradients and flashing, enhancing the visual appeal of the display screen.

[0031] As an alternative implementation, the various function icons may have different colors.

[0032] Thus, on the one hand, different colored function icons help users quickly identify each functional module, reducing the cognitive burden during operation. Color differentiation allows users to more intuitively understand the function of each icon, thereby reducing the possibility of misoperation. On the other hand, a variety of colored function icons makes the display screen more vibrant, enhancing overall visual appeal and giving the product a more modern and technological feel. Furthermore, combining different colored function icons with different colored icon light sources can achieve dynamic display effects, such as gradients, flashing, or color changes, further enhancing the diversity and fun of the display.

[0033] As an optional implementation, the background light source module further includes:

[0034] A first light-shielding element is arranged around the first light guide plate and the background light source.

[0035] In this way, it can prevent the background light source from excessively diffusing outwards after passing through the first light guide plate, thus preventing unsatisfactory display brightness of the screen background. Furthermore, the first light-shielding component can also prevent external light sources from affecting the background display of the screen, ensuring the display effect of the screen background light.

[0036] As an optional implementation, the icon light source module further includes:

[0037] Multiple second light-shielding elements, each second light-shielding element being arranged around a second light guide plate and an icon light source corresponding to the second light guide plate.

[0038] In this way, light leakage from the second light-emitting surface of the second light guide plate can be effectively prevented, avoiding the problem of light leakage between the background light source and the icon light source, as well as between multiple function icons, which would otherwise occur due to the mutual divergence between the background light source and the icon light source, thus improving the clarity and consistency of the display effect.

[0039] As an optional implementation, the display screen further includes:

[0040] A light source driver board is disposed below the icon light source module. The background light source and the multiple sets of icon light sources are electrically connected to the light source driver board, and the light source driver board is electrically connected to the control module.

[0041] In this way, by driving the light source driver board through the control module, the driving can be optimized for the different needs of the background light source and icon light source, ensuring that the performance of each light source module reaches its best state, thereby improving the overall display effect of the screen. Furthermore, through the cooperation between the control module and the light source driver board, the brightness and color of the light source can be dynamically adjusted according to the displayed content, achieving richer visual effects.

[0042] As an optional implementation, the display screen further includes:

[0043] A touch chip, which is electrically connected to the control module of the washing machine;

[0044] Multiple elastic elements are disposed on the light source driving board and correspond to multiple function icons. The multiple elastic elements are electrically connected to the touch chip to convert the collected pressing signals into electrical signals and transmit them to the control module.

[0045] Thus, through the combination of the touch chip and the elastic element, the display screen can achieve touch control functionality. Users can complete operations simply by touching function icons, improving the convenience and intuitiveness of operation. Furthermore, the elastic element can quickly respond to the user's pressing action and convert mechanical signals into electrical signals, which are then transmitted to the control module via the touch chip, thereby achieving sensitive operational response.

[0046] As an optional implementation, the elastic element comprises copper foil.

[0047] Thus, when the elastic element is made of copper foil, its extremely high conductivity allows for the rapid conversion of pressure signals into electrical signals, which are then transmitted to the touch chip, thereby improving touch response speed. Furthermore, the copper foil deforms under external pressure and quickly returns to its original shape after the force is removed, ensuring the sensitivity and reliability of touch operation. In addition, copper foil possesses high fatigue strength, good corrosion resistance, and oxidation resistance, maintaining stable performance under frequent pressing operations and in humid or high-humidity environments, extending its service life.

[0048] Secondly, embodiments of this application disclose a control method for the washing machine described in the first aspect above, the control method comprising the following steps:

[0049] S1. After receiving the power-on signal, the control module controls the background light source to light up, so as to illuminate the background light of the display screen through the first light guide plate;

[0050] S2. After the background light source is lit, the control module controls one or more groups of icon light sources to light up the corresponding function icons through the second light guide plate.

[0051] This avoids potential visual interference when the backlight and icon light are lit simultaneously, making the icons clearer and more prominent. Furthermore, when using the washing machine in a dimly lit environment, if the backlight and icon light are lit simultaneously upon startup, the momentary brightness may be dazzling and damage the user's eyesight. Therefore, the sequential lighting of the backlight and icon light prevents eye strain when using the machine in dimly lit environments.

[0052] As an optional implementation, the control module has a default power-on function, and the control module controls one or more groups of icon light sources to light up, including:

[0053] The control module controls a group of icon light sources corresponding to the default power-on function to light up at a first brightness, and controls the remaining groups of icon light sources to light up at a second brightness. The first brightness is greater than the second brightness, so that the display brightness of the function icon corresponding to the default power-on function is greater than the display brightness of the other function icons.

[0054] This allows users to better distinguish between the default and selectable functions after booting up. Users can quickly identify and use the most frequently used functions when booting up, reducing the time spent searching for and selecting functions. Furthermore, highlighting the default function icons can reduce the possibility of users accidentally entering infrequently used or unfamiliar function modes, improving the convenience and intuitiveness of operation.

[0055] As an optional implementation, after step S2, the control method further includes:

[0056] S3. The control module receives a first function activation signal input by the user, and controls the icon light source corresponding to the first function to light up, and controls the light sources of the other icons to turn off.

[0057] This provides users with clear and intuitive visual feedback, letting them know for sure that the selected function has been activated. Turning off the lights of other icons can prevent users from getting confused between multiple functions, especially for users unfamiliar with the operation; this design can significantly reduce the risk of accidental operation.

[0058] As an optional implementation, there are multiple first light guide plates and multiple sets of background light sources. The multiple first light guide plates are arranged sequentially along the length direction parallel to the film, and one set of background light sources is provided on one side of the first light incident surface of each first light guide plate. The control module controls the background light sources to light up after receiving the power-on signal, including:

[0059] After receiving the power-on signal, the control module controls multiple sets of background light sources to light up sequentially or alternately.

[0060] In this way, by sequentially illuminating multiple sets of backlight sources, the display screen can present dynamic lighting effects, such as gradient lighting, providing users with a technologically advanced and modern visual experience. Furthermore, compared to illuminating all backlight sources at once, sequential or alternating illumination reduces sudden brightness shocks and minimizes user eye strain. In addition, the control module can dynamically adjust the lighting sequence and brightness of the backlight sources according to user habits or scenario requirements, achieving personalized display effects and resulting in a rich and varied visual experience. Attached Figure Description

[0061] To more clearly illustrate the technical solutions in the embodiments of this application, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0062] Figure 1 This is a schematic diagram of the structure of the display screen of a washing machine disclosed in one embodiment of this application;

[0063] Figure 2 This is a schematic diagram of the structure of the display screen of a washing machine disclosed in another embodiment of this application;

[0064] Figure 3 This is a schematic diagram of the structure of the display screen of a washing machine disclosed in another embodiment of this application;

[0065] Figure 4 This is a flowchart of a method for controlling the display screen of a washing machine according to an embodiment of this application;

[0066] Figure 5 A flowchart illustrating a method for controlling the display screen of a washing machine according to another embodiment of this application;

[0067] Figure 6 A flowchart illustrating a method for controlling the display screen of a washing machine according to another embodiment of this application;

[0068] Figure 7 This is a flowchart of a method for controlling the display screen of a washing machine, as disclosed in another embodiment of this application.

[0069] Explanation of reference numerals in the attached figures:

[0070] 1-Light-transmitting protective layer;

[0071] 2-Membrane; 21-Function icons;

[0072] 3-Background light source module; 31-First light guide plate; 31a-First light incident surface; 31b-First light emitting surface; 32-Background light source; 321-First LED light; 33-First light shield;

[0073] 4-Icon light source module; 41-Second light guide plate; 41a-Second light incident surface; 41b-Second light emitting surface; 42-Icon light source; 421-Second LED light; 43-Second light shield;

[0074] 5-Light source driver board;

[0075] 6-Elastic element;

[0076] X - Length direction. Detailed Implementation

[0077] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0078] In this application, the terms "upper," "lower," "left," "right," "front," "rear," "top," "bottom," "inner," "outer," "vertical," "horizontal," "lateral," and "longitudinal" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily for the purpose of better describing this application and its embodiments, and are not intended to limit the indicated device, element, or component to having a specific orientation, or to be constructed and operated in a specific orientation.

[0079] Furthermore, in addition to indicating location or positional relationship, some of the aforementioned terms may also have other meanings. For example, the term "above" may also be used in some cases to indicate a certain dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this application based on the specific circumstances.

[0080] Furthermore, the terms "installation," "setup," "equipped with," "connection," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral structure; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium, or an internal connection between two devices, components, or parts. Those skilled in the art can understand the specific meaning of these terms in this application based on the specific circumstances.

[0081] Furthermore, the terms "first," "second," etc., are primarily used to distinguish different devices, elements, or components (which may be the same or different in specific type and construction), and are not intended to indicate or imply the relative importance or quantity of the indicated devices, elements, or components. Unless otherwise stated, "a plurality of" means two or more.

[0082] With the significant improvement in people's quality of life in modern society, washing machines have become widespread in households, becoming an indispensable helper in daily life. When choosing a washing machine, people's considerations are no longer limited to basic aspects such as practicality and versatility of functions. Today's consumers, while enjoying the convenience brought by technology, pay more attention to the product's appearance design and the aesthetic experience of its user interface. They yearn to experience visual and operational pleasure and relaxation in daily life, even when performing routine household chores such as washing clothes.

[0083] Currently, most washing machines on the market use ordinary LED lights and ordinary colored films for their control displays. The film has corresponding program names or icons printed on it according to the washing machine's functions. When the washing machine is working, the name or icon displays the corresponding color of the film. However, when the icons are lit, there is a problem that the center of the icon is bright and the edges are dark, resulting in uneven display. To make the icon display more uniform, the number of LED lights needs to be increased, which increases the cost.

[0084] Based on this, this application discloses a washing machine and a control method that can solve the problem of uneven icon display and reduce the manufacturing cost of the washing machine.

[0085] The present technical solution will be further described below with reference to the embodiments and accompanying drawings.

[0086] This application provides a washing machine, which includes a casing that is part of the main structure of the washing machine and is used to house and protect the internal components of the washing machine.

[0087] The washing machine also includes a display screen, which is located on the outer casing and serves as the control panel for the washing machine, allowing users to operate the machine.

[0088] See Figure 1 The display screen includes a light-transmitting protective layer 1, which is used to protect the components inside the display screen.

[0089] The display screen also includes a diaphragm 2, which is located below the light-transmitting protective layer 1. The diaphragm has multiple function icons 21, which can be pictures of clothes corresponding to various types of clothing or 3D photos. Users can select the corresponding washing program by pressing the function icons 21. This makes the display more intuitive to the user, improves operability, and enhances the user's sensory experience. Users can select the washing program of the washing machine by pressing the function icons 21 on the diaphragm 2.

[0090] The display screen also includes a backlight module 3, which is located below the diaphragm 2. The backlight module 3 is used to illuminate the backlight of the display screen, thereby making the display screen display effect richer.

[0091] The display screen also includes an icon light source module 4, which is located below the background light source module. The icon light source module 4 is used to illuminate the function icons 21 on the diaphragm 2.

[0092] The display screen also includes a control module (not shown in the figure), which is electrically connected to the background light source module 3 and the icon light source module 4 respectively to control the background light source module 3 and the icon light source module 4.

[0093] like Figure 1 As shown, the background light source module 3 includes a first light guide plate 31, which is disposed between the diaphragm 2 and the icon light source module 4. The first light guide plate 31 includes a first light-incident surface 31a and a first light-outceasing surface 31b, with the first light-outceasing surface 31b facing the diaphragm 2, and the first light-incident surface 31a and the first light-outceasing surface 31b being adjacent to each other.

[0094] The background light source module 3 also includes a background light source 32, which is disposed on one side of the first light guide plate 31, and the light emission direction of the background light source 32 faces the first light incident surface 31a. The first light guide plate 31 can diffuse the light emission direction of the background light source 32 to the area below the diaphragm 2, thereby illuminating the background color of the display screen.

[0095] After the washing machine is turned on, the backlight module 3 is controlled by the control module to illuminate the background color of the display screen. The display screen with a background is similar to the color display effect of the TFT display screen, but its cost is much lower than that of the TFT screen. While ensuring low cost, it meets people's aesthetic needs for appearance and interaction. This low-cost model with a background display effect will greatly increase market share and improve user satisfaction.

[0096] like Figure 1As shown, the icon light source module 4 includes multiple second light guide plates 41. The multiple second light guide plates 41 are disposed below the first light guide plate 31 and are arranged at intervals along a direction parallel to the first light guide plate 31. The multiple second light guide plates 41 correspond to multiple function icons 21. Each second light guide plate 41 includes a second light-incident surface 41a and a second light-outceasing surface 41b. The second light-outceasing surface 41b faces the first light guide plate 31, and the second light-incident surface 41a and the second light-outceasing surface 41b are adjacent to each other.

[0097] The icon light source module 4 also includes multiple sets of icon light sources 42, which are respectively disposed on one side of multiple second light guide plates 41, and the light emission direction of the multiple sets of icon light sources 42 is respectively directed toward the second light incident surface 41a of the corresponding second light guide plate 41.

[0098] It should be noted that the working principle of the first light guide plate 31 and the second light guide plate 41 is based on the phenomena of total internal reflection and refraction of light. The light guide plate is usually made of a transparent polymer material with a special optical film coating on its surface. It has a light-incoming surface (i.e., the light-incident surface in this embodiment) and a light-outcoming surface. The light-incoming surface is usually located at the position of the light source, while the light-outcoming surface faces the display screen. When the light emitted by the light source enters the light guide plate, it undergoes multiple total internal reflections inside the light guide plate and propagates along the inner surface of the light guide plate. During total internal reflection, the light is guided to the edge of the light guide plate, so that the light can be evenly distributed across the entire display screen.

[0099] Because the light emission direction of a light source has a certain range, the brightness is greatest at the center of the light source, and the brightness gradually decreases as it moves away from the center. When the light source is directly below the diaphragm 2, the center of the light source corresponds to the center of the function icon 21 on the diaphragm 2. At this time, the center of the function icon 21 is the brightest, while the brightness is weaker as it gets closer to the edge of the function icon 21. This results in an uneven display effect after the function icon 21 is lit, showing a bright center and a dark periphery.

[0100] Therefore, in this embodiment, the icon light source 42 is disposed on one side of the second light guide plate 41 corresponding to the function icon 21, and the light emission direction of the icon light source 42 is towards the second light incident surface 41a of the second light guide plate 41. When the icon light source 42 emits light, the light enters the interior of the second light guide plate 41 from the second light incident surface 41a, and after being dispersed in various directions by the second light guide plate 41, it is emitted from the second light emitting surface 41b of the second light guide plate 41, illuminating the entire surface of the function icon 21, making the brightness of the function icon 21 uniform and making the display effect of the function icon 21 clearer.

[0101] Furthermore, since the second light guide plate 41 can diffuse the light path of the icon light source 42 to all directions, only a small number of icon light sources 42 are needed to make the function icons 21 display uniformly. This avoids the need to set a large number of icon light sources 42 to make the function icons 21 display uniformly due to the fixed light path of the icon light source 42. The reduction in the number of icon light sources 42 helps to reduce the manufacturing cost of the washing machine display screen.

[0102] In some embodiments, such as Figure 1 As shown, the background light source 32 includes a plurality of first LEDs 321, which are arranged at intervals along a length direction X parallel to the first light-incident surface 31a. On one hand, by arranging the plurality of first LEDs 321 at intervals along the length direction X parallel to the first light-incident surface 31a, the light received by the background light source 32 from the first light-incident surface 31a of the first light guide plate 31 can be more uniform, further ensuring uniform light distribution and avoiding localized overbrightness or underbrightness, thereby providing clearer and more uniform background light and improving the visual effect of the display screen background. On the other hand, due to the high brightness and low power consumption characteristics of LEDs, the spaced-apart first LEDs 321 can reduce unnecessary energy consumption while ensuring sufficient brightness, improving the energy efficiency of the display screen. Furthermore, the spaced-apart first LEDs 321 can effectively reduce heat concentration, reducing damage caused by localized overheating, thereby extending the lifespan of the LEDs. Moreover, the spaced-apart arrangement of the plurality of first LEDs 321 facilitates production and maintenance; if a single LED fails, it can be replaced individually, reducing maintenance costs.

[0103] The first LED 321 can be white, with ultra-bright white LEDs being preferred. The white LED 321 enhances the brightness of the background light, making the background of the display screen more prominent. Of course, the first LED 321 can also be other colors to enrich the display effect of the background.

[0104] It should be noted that, in addition to the plurality of first LEDs 321 described in the above embodiments, the background light source 32 may also be a cold cathode fluorescent lamp (CCFL), an organic light-emitting diode (OLED), a quantum dot light-emitting diode (QLED), an incandescent lamp, or other light sources. This embodiment does not specifically limit this.

[0105] For example, cold cathode fluorescent lamps (CCFLs) are characterized by high brightness and long lifespan; organic light-emitting diodes (OLEDs) have self-emissive properties, eliminating the need for a backlight, and can achieve higher contrast and thinner display thickness, making them suitable for applications requiring high contrast and flexible display; quantum dot light-emitting diodes (QLEDs) achieve high color gamut and high brightness display by adjusting the wavelength of light through quantum dot materials; and micro-LEDs are an emerging display technology that uses micro-LEDs as individual pixels, offering advantages such as high brightness, high contrast, and low power consumption, making them suitable for high-resolution and high-performance display devices.

[0106] In some embodiments, such as Figure 2 As shown, there can be multiple first light guide plates 31 and multiple sets of background light sources 32. Multiple first light guide plates 31 are arranged sequentially along the length direction parallel to the film 2. Each first light guide plate 31 has a set of background light sources 32 corresponding to one side of the first light incident surface 31a.

[0107] The length direction of the diaphragm 2 is the same as the length direction X of the first light guide plate 31.

[0108] In this way, multiple sets of background light sources 32 and multiple first light guide plates 31 can achieve independent control of each set of background light sources 32. By controlling different sets of background light sources 32, different areas of the background of the display screen can be lit up. When different sets of background light sources 32 are lit up in sequence or alternately, gradient light effects or dynamic displays can be achieved. This increases the diversity of the display screen's display effects and makes the user's experience when using the washing machine better.

[0109] In some embodiments, such as Figure 1 and Figure 2 As shown, each group of icon light sources 42 includes multiple second LEDs 421. The second LEDs 421 in the same group of icon light sources 42 emit the same color, while the second LEDs 421 in different groups of icon light sources 42 emit different colors. In this way, the second LEDs 421 of different colors can be independently controlled according to the needs of the function icons 21, thereby achieving a richer display effect. Different functional modules can be distinguished by different colors of light, allowing users to identify and operate them more intuitively.

[0110] In some embodiments, the emission colors of the multiple second LEDs 421 of the same group of icon light sources 42 can be different. Using LEDs of different colors can significantly improve the visual recognizability of the function icons 21. For example, some of the multiple second LEDs 421 of the same group of icon light sources 42 are red, some are blue, and the rest are green. The control module controls the second LEDs 421 of different colors to light up. Red can be used for warnings or important prompts, green for normal status, and blue for information prompts, etc. This color differentiation can help users quickly identify the current function and status of the washing machine.

[0111] In some embodiments, such as Figure 1 and Figure 2 As shown, multiple second LEDs 421 of each group of icon light sources 42 are arranged at intervals along the length direction X parallel to the second light-incident surface 41a. The interval arrangement of the multiple second LEDs 421 allows for a more uniform light distribution, thereby improving the overall brightness of the display area and achieving a clearer and more uniform icon display effect. Furthermore, the interval arrangement helps reduce heat accumulation between the multiple second LEDs 421, thus reducing the risk of localized overheating and extending the lifespan of the multiple second LEDs 421.

[0112] It should be noted that the icon light source 42 and the background light source 32 are the same. In addition to LED lights, they can also be cold cathode fluorescent lamps (CCFL), organic light-emitting diodes (OLED), quantum dot light-emitting diodes (QLED), incandescent lamps, or other light sources. This embodiment will not elaborate on these aspects.

[0113] In some embodiments, the control module can control the lighting sequence and brightness of the background light source module 3 and the icon light source module 4. By controlling the lighting sequence, the user can be guided to complete the operation step by step. For example, when the device is powered on, the background light is lit first, and then the function icons are lit in sequence, allowing the user to more intuitively identify and operate the device. Furthermore, users can adjust the brightness and lighting sequence of the icon light sources according to their own usage habits to achieve personalized display effects and improve the convenience and comfort of operation. In addition, the control module can dynamically adjust the brightness and lighting sequence of the background light and icon light according to different operating scenarios to achieve dynamic display effects such as gradients and flashing, thereby enhancing the visual appeal of the display screen.

[0114] The control module can not only control the lighting order and brightness of the background light source module 3 and the icon light source module 4 simultaneously, but also control the lighting order of the background light source module 3 and the icon light source module 4 individually, or control the brightness of the background light source module 3 and the icon light source module 4 individually, to adapt to different usage scenarios.

[0115] In some embodiments, multiple function icons 21 are of different colors. On the one hand, different colored function icons 21 can help users identify each function module more quickly, reducing the cognitive burden on users during operation. By differentiating by color, users can more intuitively understand the function of each function icon 21, thereby reducing the possibility of misoperation. On the other hand, function icons 21 of multiple colors can make the display screen more colorful, enhance the overall visual appeal, and make the product more modern and technological. Furthermore, function icons 21 of different colors combined with icon light source modules 4 of different colors can achieve dynamic display effects, such as gradients, flashing, or color changes, further enhancing the diversity and fun of the display effect.

[0116] In some embodiments, such as Figure 3 As shown, the background light source module 3 also includes a first light-shielding member 33, which is arranged around the first light guide plate 31 and the background light source 32. In this way, the first light-shielding member 33 can prevent light leakage from the background light, thus preventing unsatisfactory display brightness of the screen background. Furthermore, the first light-shielding member 33 can also prevent external light sources from affecting the background display of the screen, ensuring the display effect of the screen background light.

[0117] In some embodiments, such as Figure 3 As shown, the icon light source module 4 also includes a plurality of second light-shielding members 43, each of which is arranged around a second light guide plate 41 and an icon light source 42 corresponding to the second light guide plate 41.

[0118] When the background light source 32 and the icon light source 42 are lit, light leakage occurs between the background of the display screen and the function icons 21 and multiple function icons 21 due to the divergence of the light sources. This results in poor display quality and an unattractive appearance. Therefore, in this embodiment, the second light-shielding member 43, which is provided around the second light guide plate 41 and the icon light source 42 corresponding to the second light guide plate 41, can effectively prevent light leakage from the second light-emitting surface 41b of the second light guide plate 41. This avoids the problem of light leakage between the background light source 32 and the icon light source 42 and the display screen and multiple function icons 21 caused by the mutual divergence of the light sources, thus improving the clarity and consistency of the display effect.

[0119] In addition, the first light-shielding member 33 and the second light-shielding member 43 can play a certain role in fixing the light guide plate and the light source, thereby reducing the displacement or vibration during use and improving the structural stability of the entire module.

[0120] It should be noted that the first light-shielding component 33 and the second light-shielding component 43 include, but are not limited to, light-blocking foam, black rubber, light-shielding tape, black and white adhesive, or latex light-shielding film. This embodiment does not specifically limit these components.

[0121] For example, when the first light-shielding member 33 and the second light-shielding member 43 are light-blocking foam, the light-blocking foam can effectively block the scattering and leakage of light, ensuring that the light from the background light source 32 and the icon light source 42 is only output from the predetermined area, avoiding light interference and stray light generation. Furthermore, the light-blocking foam has good cushioning properties, absorbing impact and protecting the internal components of the display from vibration, thereby improving product reliability and lifespan. In addition, the softness and elasticity of the light-blocking foam can compensate for tolerances during the assembly process of the internal components of the display, filling gaps and ensuring a tight fit between components, enhancing the stability of the overall structure. Moreover, the light-blocking foam can prevent moisture and dust from entering the display module, thereby improving the airtightness and waterproof performance of the display. Furthermore, the light-blocking foam is easy to process and install, and has good adhesion, simplifying the production process and reducing the production cost of the display.

[0122] In some embodiments, see Figures 1 to 3 The display screen also includes a light source driver board 5, which is located below the icon light source module 4. The background light source 32 and multiple sets of icon light sources 42 are electrically connected to the light source driver board 5, and the light source driver board 5 is electrically connected to the control module.

[0123] The light source driver board 5 can precisely control the brightness, color, and lighting sequence of each light source. Driven by the control module, the light source driver board 5 can be optimized for the different needs of the background light source 32 and the icon light source 42, ensuring that the performance of each light source module reaches its best state, thereby improving the overall display effect of the screen. Furthermore, through the cooperation between the control module and the light source driver board 5, the brightness and color of the light sources can be dynamically adjusted according to the displayed content, achieving richer visual effects.

[0124] In some embodiments, such as Figures 1 to 3 As shown, the display screen also includes a touch chip, which is electrically connected to the washing machine's control module. The touch chip can work with the control module to realize touch feedback function, allowing the user to intuitively feel that the operation has been successfully recognized by lighting up the function icon 21.

[0125] The display screen also includes multiple elastic elements 6, which are disposed on the light source driver board 5 and correspond to multiple function icons 21. The multiple elastic elements 6 are electrically connected to the touch chip to convert the collected pressing signals into electrical signals and transmit them to the control module.

[0126] By combining the touch chip and the elastic element 6, the display screen enables touch control. Users can complete operations simply by lightly touching the function icon 21, improving the convenience and intuitiveness of operation. Furthermore, the elastic element 6 can quickly respond to the user's pressing action, converting mechanical signals into electrical signals, which are then transmitted to the control module via the touch chip, thus achieving sensitive operation response. In addition, each elastic element 6 corresponds one-to-one with a function icon 21, ensuring that the user's touch signal can be accurately identified and located, avoiding misoperation.

[0127] It should be noted that the elastic element 6 includes, but is not limited to, copper foil, spring or polyimide film, and this embodiment does not specifically limit it.

[0128] For example, when the elastic element 6 is made of copper foil, the copper foil has extremely high conductivity, enabling it to quickly convert the pressing signal into an electrical signal and transmit it to the touch chip, thereby improving the touch response speed. Furthermore, the copper foil can deform under external pressure and quickly return to its original shape after the force is removed, ensuring the sensitivity and reliability of touch operation. In addition, copper foil material has high fatigue strength, good corrosion resistance, and oxidation resistance, maintaining stable performance under frequent pressing operations and in humid or high-humidity environments, extending its service life. Moreover, copper foil material is relatively easy to process and manufacture, reducing production costs and improving the overall cost-effectiveness of the product.

[0129] See Figure 4 This application also discloses a control method for the washing machine described in the foregoing embodiments, the control method comprising the following steps:

[0130] S1. After receiving the power-on signal, the control module controls the backlight 32 to light up, so as to illuminate the backlight of the display screen through the first light guide plate 31.

[0131] S2. After the background light source 32 is lit, the control module controls one or more groups of icon light sources 42 to light up, so as to light up the corresponding function icons through the second light guide plate 41.

[0132] In step S1, when the user turns on the washing machine, a power-on signal is transmitted to the control module. Upon receiving the power-on signal, the control module controls the backlight 32 to illuminate, and the light from the backlight 32 illuminates the background of the display screen through the first light guide plate 31. In step S2, after the backlight 32 illuminates the background of the display screen, the control module controls one or more groups of icon light sources 42 to illuminate, and the light from the icon light sources 42 illuminates the corresponding function icons 21 through the second light guide plate 41.

[0133] In step S1, the background light source 32 is first illuminated, uniformly illuminating the entire display screen background through the first light guide plate 31. This provides the user with a clear visual foundation, and since the user sees the background first, it reduces the monotony of operating the washing machine and enhances the user experience. In step S2, after the background light is illuminated, one or more groups of icon light sources 42 are illuminated as needed, illuminating the corresponding function icons 21 through the second light guide plate 41. This step-by-step illumination method avoids potential visual interference when the background light and icon light are illuminated simultaneously, making the icons clearer and more prominent. Furthermore, when using the washing machine in a dark environment, if the background light and icon light are illuminated simultaneously upon startup, the momentary brightness may be dazzling and damage the user's eyesight. Therefore, illuminating the background light and icon light sequentially avoids eye strain when using the machine in dark environments.

[0134] It should be noted that in this control method, the icon light source 42 can be lit first to light up the corresponding function icon 21 through the second light guide plate 41. After the icon light source 42 is lit, the control module controls the background light source 32 to be lit to light up the background light of the display screen through the first light guide plate 31. This embodiment does not make specific limitations on this.

[0135] In some embodiments, such as Figure 5 As shown, the control module has a default power-on function. The control module controls one or more groups of icon light sources 42 to light up, including: the control module controls one group of icon light sources 42 corresponding to the default power-on function to light up at a first brightness, and controls the other groups of icon light sources 42 to light up at a second brightness. The first brightness is greater than the second brightness, so that the display brightness of the function icon 21 corresponding to the default power-on function is greater than the display brightness of the other function icons 21.

[0136] By making the display brightness of the function icon 21 corresponding to the default boot function greater than that of the other function icons 21, users can better distinguish the default function and the selectable function after booting up. Users can quickly identify and use the most frequently used function when booting up, reducing the time users spend searching for and selecting functions. In addition, highlighting the default function icon can reduce the possibility of users accidentally entering an infrequently used or unfamiliar function mode, improving the convenience and intuitiveness of operation.

[0137] In some embodiments, such as Figure 6 As shown, after the background light source 32 is lit in step S2, the control module controls one or more groups of icon light sources 42 to light up, so that the corresponding function icons are lit through the second light guide plate 41. The control method also includes:

[0138] S3. When the control module receives the activation signal of the first function input by the user, the control module controls the icon light source 42 corresponding to the first function to light up and controls the other icon light sources 42 to turn off.

[0139] In step S3, when the user selects the first function, the control module receives the activation signal for the first function input by the user. Then, the control module controls the corresponding icon light source 42 to illuminate the function icon 21, while turning off the light sources 42 of the other icons. This provides the user with clear and intuitive visual feedback, letting them know that the selected function has been activated. Turning off the other icon light sources 42 avoids user confusion between multiple functions, especially for users unfamiliar with the operation; this design significantly reduces the risk of misoperation. Furthermore, illuminating only the icon light source 42 corresponding to the current function reduces unnecessary light source activation, lowers energy consumption, and improves the overall energy efficiency of the system.

[0140] In some embodiments, combined with Figure 2 and Figure 7 There are multiple first light guide plates 31 and multiple sets of background light sources 32. The multiple first light guide plates 31 are arranged sequentially along the length direction parallel to the film 2. Each first light guide plate 31 has a set of background light sources 32 corresponding to one side of its first light incident surface 31a. After receiving the power-on signal, the control module controls the background light sources 32 to light up, including:

[0141] After receiving the power-on signal, the control module controls multiple sets of background light sources 32 to light up sequentially or alternately.

[0142] By sequentially or alternately illuminating multiple sets of background light sources 32, the display screen can present dynamic lighting effects, such as gradient lighting, providing users with a technologically advanced and modern visual experience. Furthermore, compared to illuminating all background light sources 32 at once, sequential illumination reduces sudden brightness shocks and minimizes user eye strain. In addition, the control module can dynamically adjust the lighting sequence and brightness of the background light sources 32 according to user habits or scenario requirements, achieving personalized display effects and resulting in a rich and varied display experience.

[0143] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application.

Claims

1. A laundry machine characterized by, include: shell; The display screen is disposed on the housing and includes: Light-transmitting protective layer; A diaphragm, which is disposed below the light-transmitting protective layer, has multiple functional icons; A background light source module is disposed below the diaphragm and is used to illuminate the background light of the display screen. An icon light source module is disposed below the background light source module, and the icon light source module is used to illuminate the function icons on the membrane. A control module is electrically connected to the background light source module and the icon light source module respectively to control the background light source module and the icon light source module; The background light source module includes: A first light guide plate is disposed between the diaphragm and the icon light source module. The first light guide plate includes a first light emitting surface and a first light receiving surface. The first light emitting surface faces the diaphragm, and the first light receiving surface is adjacent to the first light emitting surface. Background light source, wherein the background light source is disposed on one side of the first light guide plate, and the light emission direction of the background light source is towards the first light incident surface; The icon light source module includes: Multiple second light guide plates are disposed below the first light guide plate and are arranged at intervals along a direction parallel to the first light guide plate. The multiple second light guide plates correspond to multiple function icons. Each second light guide plate includes a second light-incident surface and a second light-outceasing surface. The second light-outceasing surface faces the first light guide plate, and the second light-incident surface is adjacent to the second light-outceasing surface. Multiple sets of icon light sources are respectively disposed on one side of multiple second light guide plates, and the light emission direction of the multiple sets of icon light sources is respectively directed toward the second light incident surface of the corresponding second light guide plate.

2. A laundry washing machine according to Claim 1, characterized in that The background light source includes a plurality of first LEDs, which are arranged at intervals along a length direction parallel to the first light-incident surface.

3. A laundry washing machine according to Claim 2, characterized in that There are multiple first light guide plates and multiple sets of background light sources. The multiple first light guide plates are arranged sequentially along the length direction parallel to the film. Each first light guide plate has a set of background light sources on one side of its first light incident surface.

4. A laundry washing machine according to Claim 1, characterized in that Each group of icon light sources includes multiple second LEDs. The multiple second LEDs in the same group of icon light sources emit the same color, while the second LEDs in different groups of icon light sources emit different colors.

5. A laundry washing machine according to Claim 4, characterized in that In each group of icon light sources, multiple second LEDs are arranged at intervals along a length direction parallel to the second incident light surface.

6. A laundry machine according to claim 1, characterized in that, The control module can control the lighting sequence and / or brightness of the background light source module and the icon light source module.

7. A laundry washing machine according to Claim 1, characterized in that The colors of the various function icons are different.

8. A laundry washing machine according to Claim 1, characterized in that The background light source module also includes: A first light-shielding element is arranged around the first light guide plate and the background light source.

9. The washing machine according to claim 1, characterized in that, The icon light source module also includes: Multiple second light-shielding elements, each second light-shielding element being arranged around a second light guide plate and an icon light source corresponding to the second light guide plate.

10. The washing machine according to claim 1, characterized in that, The display screen also includes: A light source driver board is disposed below the icon light source module. The background light source and the multiple sets of icon light sources are electrically connected to the light source driver board, and the light source driver board is electrically connected to the control module.

11. The washing machine according to claim 10, characterized in that, The display screen also includes: A touch chip, which is electrically connected to the control module of the washing machine; Multiple elastic elements are disposed on the light source driving board and correspond to multiple function icons. The multiple elastic elements are electrically connected to the touch chip to convert the collected pressing signals into electrical signals and transmit them to the control module.

12. A control method for the laundry washing machine according to any of the preceding claims, characterized in that, Includes the following steps: S1. After receiving the power-on signal, the control module controls the background light source to light up, so as to illuminate the background light of the display screen through the first light guide plate; S2. After the background light source is lit, the control module controls one or more groups of icon light sources to light up the corresponding function icons through the second light guide plate.

13. The control method according to claim 12, characterized by, The control module has a default power-on function, and the control module controls one or more groups of icon light sources to light up, including: The control module controls a group of icon light sources corresponding to the default power-on function to light up at a first brightness, and controls the remaining groups of icon light sources to light up at a second brightness. The first brightness is greater than the second brightness, so that the display brightness of the function icon corresponding to the default power-on function is greater than the display brightness of the other function icons.

14. The control method according to claim 12, characterized by, After step S2, the control method further includes: S3. The control module receives a first function activation signal input by the user, and controls the icon light source corresponding to the first function to light up, and controls the light sources of the other icons to turn off.

15. The control method according to claim 12, characterized by There are multiple first light guide plates and multiple sets of background light sources. The multiple first light guide plates are arranged sequentially along the length direction parallel to the film. Each first light guide plate has a set of background light sources on one side of its first light incident surface. Upon receiving a power-on signal, the control module controls the background light source to illuminate, including: After receiving the power-on signal, the control module controls multiple sets of background light sources to light up sequentially or alternately.

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