CN220438906U - Display module and household appliance - Google Patents

Abstract

The utility model provides a display module and a household appliance, and relates to the technical field of display screens, wherein the display module comprises: a housing; the circuit module is arranged in the shell and provided with a light-emitting unit; the display panel is arranged on the shell and comprises at least one key display area and at least one non-display area, and the key display area can receive the light source output by the light-emitting unit; the sensing element is arranged on the inner side of the display panel and is electrically connected with the circuit module, at least part of the sensing element covers the key display area, and the sensing element can convey electric signals to the circuit module based on touch. The utility model integrates the key display area and the corresponding sensing element in the same area on the display panel, thereby having higher integration. And the recognition of the key display area is improved through the light-emitting unit, the risk of misoperation is reduced, and the use experience of a user is improved.

Description

Display module and household appliance

Technical Field

The utility model relates to the technical field of display screens, in particular to a display module and a household appliance.

Background

The switch and the icon on the general household appliance can be separately arranged, and when the user uses the household appliance, the user needs to identify the display icon corresponding to each function first, and then find the switch corresponding to the display icon to control the household appliance. The switch and the display icon are respectively arranged on the household appliance, so that more space on the household appliance can be additionally occupied, the integration of the switch position is reduced, and the household appliance is not concise and attractive. Moreover, when a plurality of display icons and switches are arranged on the household appliance, the user can not clearly and intuitively distinguish the switches corresponding to the display icons, so that the user has the risk of misoperation, and the use experience of the user is reduced.

Disclosure of Invention

In order to overcome the above-mentioned drawbacks of the prior art, the technical problem to be solved by the embodiments of the present utility model is to provide a display module and a household appliance, which are used for improving the integration of keys and display icons and reducing the risk of misoperation.

The above object of the present utility model can be achieved by the following technical solution, and the present utility model provides a display module, including:

a housing;

the circuit module is arranged in the shell, and a light-emitting unit is arranged on the circuit module;

the display panel is arranged on the shell and comprises at least one key display area and at least one non-display area, and the key display area can receive the light source output by the light-emitting unit;

the sensing element is arranged on the inner side of the display panel and is electrically connected with the circuit module, at least part of the sensing element covers the key display area, and the sensing element can convey electric signals to the circuit module based on touch.

In a preferred embodiment of the present utility model, the display module further includes an elastic supporting structure, and the elastic supporting structure includes a plurality of elastic members disposed between the circuit module and the sensing element, and the plurality of elastic members are respectively connected to the circuit module and the sensing element.

In a preferred embodiment of the present utility model, a plurality of the elastic members are disposed at intervals at the edge of the sensing element, and each of the plurality of elastic members is connected to the sensing element in the non-display area.

In a preferred embodiment of the present utility model, the elastic member is formed by a conductive material, and the sensing element is electrically connected to the circuit module through any of the elastic members.

In a preferred embodiment of the present utility model, the elastic member is a conductive spring, one end of the conductive spring is electrically connected to the circuit module, and the other end of the conductive spring is abutted or connected to the sensing element.

In a preferred embodiment of the present utility model, a conductive portion is disposed at the other end of the conductive spring, and the conductive spring forms multi-point contact or line contact or surface contact with the sensing element through the conductive portion.

In a preferred embodiment of the present utility model, the elastic member includes an elastic block and a conductive member embedded in the elastic block, and the sensing element is electrically connected to the circuit module through any of the conductive members.

In a preferred embodiment of the present utility model, the sensing element includes a carbon film, the carbon film is disposed on an inner side of the display panel in a bonding manner, and the carbon film is capable of transmitting a capacitance signal to the circuit module based on a touch.

In a preferred embodiment of the present utility model, the sensing element further includes a conductive film disposed between the carbon film and the display panel, the conductive film being capable of conducting current between the carbon film and the display panel.

In a preferred embodiment of the present utility model, the conductive film is formed by conductive silver paste, and the conductive silver paste is laid on the inner side of the display panel.

In a preferred embodiment of the present utility model, the display panel includes a light-transmitting substrate disposed on the housing, at least a portion of the carbon film is provided with a light-transmitting window forming key display area, and the rest of the carbon film forms the non-display area.

In a preferred embodiment of the present utility model, the sensing element further includes an insulating layer, and the insulating layer is laid in the light-transmitting window of the carbon film.

In a preferred embodiment of the present utility model, the display panel includes a light-transmitting substrate disposed on the housing and a light-shielding film covering an inner side of the light-transmitting substrate, at least a portion of the light-shielding film is provided with a light-transmitting window to form the key display area, the remaining light-shielding film forms the non-display area, and the carbon film is disposed in the non-display area.

In a preferred embodiment of the present utility model, the display panel includes a light shielding substrate disposed on the housing, at least a portion of the light shielding substrate is provided with a light-transmitting window to form the key display area, the rest of the light shielding substrate forms the non-display area, and the carbon film is disposed in the non-display area.

In a preferred embodiment of the present utility model, the display module further includes a diffusion film, the diffusion film is covered on the light emitting unit, and the diffusion film can uniformly diffuse the light source output by the light emitting unit.

In a preferred embodiment of the present utility model, the diffusion film is provided with an avoidance area, and each elastic member is connected to the sensing element and the circuit module through the avoidance area.

In a preferred embodiment of the present utility model, the light emitting unit is an LED lamp set disposed on the circuit module.

In a preferred embodiment of the present utility model, a plurality of key display areas are provided, and each key display area is independently provided with the sensing element and the elastic supporting structure.

In a preferred embodiment of the present utility model, a space between adjacent key display areas is not less than 6mm.

The utility model also provides a household appliance comprising the display module.

The technical scheme of the utility model has the following remarkable beneficial effects:

according to the display module, the circuit module and the display panel can be installed and fixed through the shell, at least one key display area and at least one non-display area are arranged on the display panel, and different functions can be represented through setting the key display areas to be different shapes, so that the display module has better adjustment flexibility. And be equipped with the luminescence unit on circuit module, at least part light source that the luminescence unit produced can penetrate the button display area and shoot, has increased the luminance of button display area to improve the discernment nature of button display area, reduced the risk of maloperation, improved user's use experience.

Further, by arranging the sensing element on the inner side of the display panel, the sensing element can be placed in a relatively closed space between the shell and the display panel, and the use stability of the sensing element is improved. And at least part of the sensing elements can cover the key display area, and when a user touches the key display area on the display panel, part of the sensing elements are synchronously triggered to generate an electric signal. Through being connected sensing element and circuit module electricity to sensing element can carry the signal of telecommunication that the user touched the production to the circuit module in, and then the circuit module carries out the control operation of corresponding function based on this signal of telecommunication, makes sensing element can play the effect of switch.

According to the utility model, the key display area and the corresponding sensing element are integrated in the same area on the display panel, namely, the display keys and the switches are integrated in the same area of the display panel, so that the display panel has higher integration, the space occupied by the key display area and the sensing element on the display panel is reduced, and the display panel is more concise and attractive. And moreover, a user can execute corresponding functions by directly touching the needed key display area through the cooperation of the sensing element and the circuit module, so that the functions displayed by the key display area correspond to actual functions, the probability of misoperation of the user is reduced, and the use experience of the user is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

The drawings described herein are for illustration purposes only and are not intended to limit the scope of the present disclosure in any way. In addition, the shapes, proportional sizes, and the like of the respective components in the drawings are merely illustrative for aiding in understanding the present utility model, and are not particularly limited. Those skilled in the art with access to the teachings of the present utility model can select a variety of possible shapes and scale sizes to practice the present utility model as the case may be.

FIG. 1 is a schematic side view and cross-sectional view of a display module according to the present utility model;

FIG. 2 is a schematic top view of a carbon film with a see-through window according to the present utility model;

FIG. 3 is a schematic top view of a diffuser film with an avoidance area according to the present utility model.

Reference numerals of the above drawings:

1. a housing;

2. a circuit module; 21. a light emitting unit; 22. a diffusion film; 221. an avoidance zone;

3. a display panel; 31. a key display area; 32. a non-display area;

4. an inductive element; 41. a carbon film; 42. a conductive film; 43. an insulating layer;

5. an elastic support structure; 51. an elastic member; 52. and a conductive part.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiment one

Referring to fig. 1 in combination, a display module is provided in an embodiment of the present utility model, and the display module at least includes a housing 1, a circuit module 2, a display panel 3 and an induction element 4, wherein the circuit module 2 is disposed in the housing 1, and a light emitting unit 21 is disposed on the circuit module 2; the display panel 3 is disposed on the housing 1, the display panel 3 including at least one key display region 31 and at least one non-display region 32, the key display region 31 being capable of receiving the light source output from the light emitting unit 21; the sensing element 4 is disposed inside the display panel 3 and electrically connected with the circuit module 2, at least a portion of the sensing element 4 covers the key display area 31, and the sensing element 4 is capable of transmitting an electrical signal to the circuit module 2 based on a touch.

In the whole, this display module assembly can install and fix circuit module 2 and display panel 3 through casing 1, is equipped with at least one button display area 31 and at least one non-display area 32 on the display panel 3, through setting up each button display area 31 to different shapes to can represent different functions, have better regulation flexibility. And be equipped with the luminescence unit 21 on circuit module 2, at least partial light source that luminescence unit 21 produced can be penetrated key display area 31 and shoot, has increased the luminance of key display area 31 to improved the discernment nature of key display area 31, reduced the risk of maloperation, improved user's use experience.

Further, by disposing the sensing element 4 inside the display panel 3 such that the sensing element 4 can be placed in a relatively closed space between the housing 1 and the display panel 3, the use stability of the sensing element 4 is improved. And, at least part of the sensing elements 4 can cover the key display area 31, and when the user touches the key display area 31 on the display panel 3, part of the sensing elements 4 are synchronously triggered to generate an electric signal. By electrically connecting the sensing element 4 with the circuit module 2, the sensing element 4 can transmit an electric signal generated by a user's touch into the circuit module 2, and the circuit module 2 performs a control operation of a corresponding function based on the electric signal, so that the sensing element 4 can function as a switch.

The designer may replace the specific configuration of the circuit module 2 according to the use apparatus, for example, the circuit module 2 includes a circuit board and processing units disposed on the circuit board, which is not particularly limited herein.

According to the utility model, the key display area 31 and the corresponding sensing element 4 are integrated in the same area on the display panel 3, namely, the display keys and the switches are integrated in the same area on the display panel 3, so that the display panel 3 is more concise and attractive, and the space occupied by the key display area 31 and the sensing element 4 on the display panel 3 is reduced. In addition, the user can execute corresponding functions by directly touching the required key display area 31 through the cooperation of the sensing element 4 and the circuit module 2, so that the functions displayed by the key display area 31 correspond to the actual functions, the probability of misoperation of the user is reduced, and the use experience of the user is improved.

The number and positions of the key display regions 31 and the non-display regions 32 may be adjusted by a designer according to actual use requirements, and are not particularly limited herein.

In the actual installation process, the sensing element 4 may be separated from the display panel 3, and when the distance between the sensing element 4 and the display panel 3 is large, the sensing element 4 cannot sense the touch operation of the user, so that the problem of inflexibility of key touch is caused. In order to avoid the above-mentioned problems, in the embodiment of the present utility model, the display module further includes an elastic support structure 5, and the elastic support structure 5 includes a plurality of elastic members 51 disposed between the circuit module 2 and the sensing element 4, and the plurality of elastic members 51 are respectively connected to the circuit module 2 and the sensing element 4.

By arranging the plurality of elastic members 51 between the circuit module 2 and the sensing element 4, on one hand, the sensing element 4 can be supported by the plurality of elastic members 51 at multiple points, so that the supporting stability is cooperatively improved, and the risk that the sensing element 4 is separated from the display panel 3 is reduced. In addition, the plurality of elasticity is arranged at different positions according to the installation requirement, so that interference caused by the installation of the induction element 4 can be avoided, and better adjustment flexibility is realized. The number and positions of the elastic members 51 may be determined by the designer according to the use requirements, and are not particularly limited herein.

In the actual installation process, in order to make the sensing element 4 better cover the key display area 31 to improve the touch sensitivity, the sensing element 4 may be attached to the key display area 31 of the display panel 3, so as to better sense the touch of the user to transmit the electrical signal.

In the embodiment of the present utility model, the plurality of elastic members 51 are disposed at intervals on the edge of the sensing element 4, and each of the plurality of elastic members 51 is connected to the sensing element 4 located in the non-display area 32.

By providing a plurality of elastic members 51 at the edge of the inductive element 4, it is possible to avoid affecting the central area of the inductive element 4. In addition, each elastic piece 51 is connected with the sensing element 4 in the non-display area 32, so that the elastic piece 51 is prevented from being exposed out of the key display area 31, and the attractiveness is improved.

In a possible embodiment of the utility model, the elastic element 51 is formed by an electrically conductive material, and the inductive element 4 is electrically connected to the circuit module 2 by any elastic element 51.

By using the conductive material of the elastic member 51 to be able to transmit an electric signal, the sensing element 4 can be electrically connected with the circuit module 2 through any elastic member 51, so that an electric signal generated by a user's touch is transmitted into the circuit module 2, and the circuit module 2 can perform a corresponding operation based on the electric signal.

In a specific embodiment, the elastic member 51 is a conductive spring, one end of which is electrically connected to the circuit module 2, and the other end of which is abutted or connected to the sensing element 4.

By providing the elastic member 51 as a conductive spring, one end of the conductive spring can be fixed to the circuit module 2 and electrically connected to the circuit structure on the circuit module 2.

And, the conductive spring can be compressed state after the installation to be placed between sensing element 4 and circuit module 2, thereby conductive spring can play good supporting role to sensing element 4 through elastic deformation, make sensing element 4 can laminate on display panel 3 better, and the conductive spring of compressed state can also contact sensing element 4 all the time through elastic deformation, thereby avoid conductive spring to break away from sensing element 4, reduced the risk that the electrical connection between conductive spring and the sensing element 4 became invalid.

The specific configuration and materials of the conductive spring may be adjusted by the designer according to the use requirements, and are not particularly limited herein.

In the embodiment of the utility model, the other end of the conductive spring is provided with a conductive part 52, and the conductive spring forms multipoint contact or line contact or surface contact with the sensing element 4 through the conductive part 52.

In a specific embodiment, the conductive spring makes a multi-point contact with the sensing element 4 via the conductive portion 52. For example, the other end of the conductive spring is folded to form a conductive portion 52 having a plurality of projections, and the conductive portion 52 is abutted on the sensing element 4 by the plurality of projections, thereby forming a multipoint contact. In addition, the plurality of protrusions can also play a good limiting role, so that the connection stability between the conductive spring and the conductive part 52 is improved.

Of course, a plurality of protrusions may be fixed at the other end of the conductive spring by external connection, which is not particularly limited herein.

In another embodiment, the conductive spring makes line contact with the inductive element 4 via the conductive portion 52. For example, the other end of the conductive spring is formed into a linear structure by coiling or folding, and the conductive portion 52 is abutted on the sensing element 4 through the linear structure, thereby forming a line contact. Further, by increasing the length of the linear structure, the supporting stability of the conductive spring to the sensing element 4 can be improved.

Of course, the wire structure may be fixed at the other end of the conductive spring by an external connection, which is not particularly limited herein.

In yet another embodiment, the conductive spring makes surface contact with the inductive element 4 via the conductive portion 52. For example, the other end of the conductive spring is processed to form an end surface structure, and the conductive portion 52 is abutted against the sensing element 4 through the end surface structure, thereby forming a surface contact. And, through the area that increases the terminal surface structure, can also improve the supporting stability of conductive spring to the response.

Of course, the end face structure may be fixed at the other end of the conductive spring by an external connection, which is not particularly limited herein.

In other embodiments, the particular configuration of conductive portion 52 may be adjusted by the designer based on the particular installation needs, and is not particularly limited herein.

In the embodiment of the present utility model, the elastic member 51 includes an elastic block and a conductive member embedded in the elastic block, and the sensing element 4 is electrically connected to the circuit module 2 through any conductive member.

By adopting the elastic piece to be matched with the conductive piece to form the conductive elastic piece 51, a designer can flexibly adjust the materials and the structures of the elastic piece and the conductive piece according to the use requirement, so that the appearance and the conductive performance of the elastic piece 51 are changed, and the use flexibility is better.

In one embodiment, the elastic member 51 is formed by compounding two materials, an elastic material and a conductive material. For example, the elastic block can be formed by rubber materials, the conductive piece is a flexible metal wire wrapped in the rubber materials, the elastic block can play a role in elastic support, and the conductive piece can play a role in transmitting electric signals.

In another embodiment, the elastic member 51 may be formed of two or more materials, at least one of which is an elastic material and at least one of which is a conductive material, which is not particularly limited herein.

The designer may adjust the specific kinds of the elastic material and the conductive material according to the use needs, and is not particularly limited herein.

In the embodiment of the present utility model, the sensing element 4 includes the carbon film 41, the carbon film 41 is provided on the inner side of the display panel 3 in a bonding manner, and the carbon film 41 can deliver a capacitance signal to the circuit module 2 based on a touch.

By providing the carbon film 41 on the inner side of the display panel 3 in a bonded manner, the carbon film 41 can play a capacitive role on the display panel 3, and when the user touches the key display area 31, the user can simultaneously influence the carbon film 41 so that the carbon film 41 can output a capacitive signal. The carbon film 41 has a thin thickness without occupying a large installation space, and the carbon film 41 has a small internal resistance of capacitance, has high sensitivity, and can accurately output a capacitance signal.

In the embodiment of the utility model, the sensing element 4 further includes a conductive film 42, the conductive film 42 being disposed between the carbon film 41 and the display panel 3, the conductive film 42 being capable of conducting current between the carbon film 41 and the display panel 3.

In one embodiment, the conductive film 42 is formed by conductive silver paste, which is laid on the inner side of the display panel 3.

By laying the conductive silver paste inside the display panel 3, it is interposed between the carbon film 41 and the display panel 3. When the user touches the display panel 3, a coupling capacitance is formed between the finger of the user and the display panel 3, and the finger will draw part of the current from the contact point, so that the conductive silver paste can transfer the current signal to the carbon film 41, and the current signal is transferred to the circuit module 2 through the carbon film 41, and the circuit module 2 can perform a corresponding control operation based on the current signal.

In other embodiments, the particular material of conductive film 42 may be adjusted by the designer based on the needs of the application, and is not particularly limited herein.

In the embodiment of the present utility model, as in the embodiment shown in fig. 2, the display panel 3 includes a light-transmitting substrate provided on the housing 1, at least a portion of the carbon film 41 is provided with a light-transmitting window forming key display region 31, and the remaining carbon film 41 forms a non-display region 32.

Specifically, by cutting the carbon film 41, the key display region 31 can be formed on the carbon film 41, and the key display region 31 can be penetrated by at least part of light, thereby playing a display role. The designer can adjust the specific shape of the light-transmitting window according to the use requirement, and is not particularly limited herein.

Further, in order to increase the conductivity between the carbon film 41 and the display panel 3, a conductive film 42 may be provided between the carbon film 41 and the display panel 3. The conductive film 42 may be formed by conductive silver paste so that the conductive silver paste can pass a part of light without completely shielding the key display area 31.

Since the carbon film 41 is provided with the light-transmitting window, when a part of the conductive film 42 is located in the light-transmitting window, the part of the conductive film 42 is directly exposed to the air. In order to avoid oxidation of the conductive film 42 located in the light-transmitting window by contact with air for a long time, in the embodiment of the present utility model, the sensing element 4 further includes an insulating layer 43, and the insulating layer 43 is laid in the light-transmitting window of the carbon film 41.

By laying the insulating layer 43 in the light-transmitting window of the carbon film 41, the insulating layer 43 cooperates with the carbon film 41 to seal the conductive film 42 from oxidation by direct exposure of the conductive film 42 to air.

Also, in order not to affect the display effect of the key display region 31, it is preferable that the insulating layer 43 is provided as a transparent insulating layer 43. Of course, the insulating layer 43 may be provided as a part of the transparent insulating layer 43 for partial optical penetration, which is not particularly limited herein.

Further, in order to improve the connection stability between the carbon film 41 and the display panel 3, a glue may be coated on the carbon film 41 to form an adhesive layer, and the carbon film 41 may be stably adhered to the display panel 3 using the glue. The designer can determine the specific composition of the glue according to the application requirements, without specific limitation.

Of course, the designer may set the sensing element 4 to other kinds of sensing films, such as an ITO film, etc., without being particularly limited thereto.

In a possible embodiment of the present utility model, the display panel 3 includes a light-transmitting substrate disposed on the housing 1 and a light-shielding film covering the inner side of the light-transmitting substrate, at least a portion of the light-shielding film is provided with a light-transmitting window forming key display region 31, the remaining light-shielding film forming a non-display region 32, and the carbon film 41 is disposed in the non-display region 32.

Specifically, the light-transmitting substrate may be provided as a transparent glass plate or a transparent plastic plate. The light shielding film may be provided as a dark film, for example, black or brown, or the like. The light shielding film is attached to the light transmitting substrate, and then the carbon film 41 may be attached to the light shielding film.

By cutting the light shielding film, a light-transmitting window can be formed on the light shielding film, which can be penetrated by a certain light to form the key display region 31. When the user touches the key display region 31, a capacitance signal can be output by changing the capacitance of the carbon film 41 by the conductive film 42.

The carbon film 41 may be cut into a desired shape based on the shape of the key display region 31, and then the carbon film 41 may be attached to the inside of the display panel 3.

By cutting the carbon film 41, it is possible to prevent the carbon film 41 from covering the key display region 31 to affect the display effect. Further, an insulating layer 43 may be provided in the cut region of the carbon film 41 to function as a seal, preventing the conductive film 42 from being oxidized by contact with air for a long period of time. The designer can adjust the clipping shape of the carbon film 41 according to the use requirement, and is not particularly limited herein.

In another possible embodiment of the present utility model, the display panel 3 includes a light shielding substrate disposed on the housing 1, at least a portion of the light shielding substrate is provided with a light transmitting window forming key display area 31, and the rest of the light shielding substrate forms a non-display area 32.

In particular, the light-shielding substrate may be provided as a dark glass panel or a dark plastic plate. The light shielding substrate can play a role in light shielding, so that an additional light shielding film is not required.

Further, by providing a light-transmitting window on the light-shielding substrate, the light-transmitting window can form the key display region 31. The light-transmitting window is formed by cutting the light-shielding substrate in the processing process, or the light-transmitting window may be formed by cutting the light-shielding substrate, however, the light-transmitting window may be formed on the light-shielding substrate in other manners, which is not particularly limited herein.

Wherein the carbon film 41 may be cut into a desired shape based on the shape of the key display region 31, and then the carbon film 41 may be attached to the inside of the display panel 3. By cutting the carbon film 41, it is possible to prevent the carbon film 41 from covering the key display region 31 to affect the display effect. Further, an insulating layer 43 may be provided in the cut region of the carbon film 41 to function as a seal, preventing the conductive film 42 from being oxidized by contact with air for a long period of time. The designer can adjust the clipping shape of the carbon film 41 according to the use requirement, and is not particularly limited herein.

In the embodiment of the utility model, the display module further comprises a diffusion film 22, the diffusion film 22 is covered on the light emitting unit 21, and the diffusion film 22 can uniformly diffuse the light source output by the light emitting unit 21.

By covering the light emitting unit 21 with the diffusion film 22, the light source output from the light emitting unit 21 can be uniformly diffused by the diffusion film 22, and the uniformity of light distribution is improved, thereby improving the display effect of the key display area 31.

The particular type and configuration of the diffusion membrane 22 may be determined by the designer based on the needs of the application and is not particularly limited herein.

In the embodiment of the present utility model, as shown in the example of fig. 3, the diffusion film 22 is provided with the escape area 221, and each elastic member 51 connects the sensing element 4 and the circuit module 2 through the escape area 221.

By providing the avoiding area 221 on the diffusion film 22, the influence of the diffusion film 22 on the installation of the elastic member 51 can be avoided, and the installation efficiency and the use stability of the elastic member 51 are improved.

In a specific embodiment, the relief area 221 is a groove disposed at a side edge of the diffusion film 22, and the elastic member 51 connects the sensing element 4 and the circuit module 2 through the corresponding groove.

In another embodiment, the relief areas 221 are through holes provided on the diffusion film 22, and the elastic members 51 connect the sensing element 4 and the circuit module 2 through the corresponding through holes.

In still another embodiment, the relief area 221 is a combination of a groove and a through hole formed on the diffusion film 22, and a designer may determine a specific arrangement according to the use requirement without being limited thereto.

In the embodiment of the present utility model, the light emitting unit 21 is an LED lamp group provided on the circuit module 2. By arranging the LED lamp bank on the circuit module 2, the LED lamp bank can be supplied with power by the power supply circuit on the circuit module 2.

Under the condition that the circuit module 2 is electrified, the circuit module 2 can supply power for the LED lamp group, so that the key display area 31 can be in a luminous state, and the user can conveniently recognize and use the key display area.

The designer may determine the specific configuration of the LED light set according to the needs of the use, and is not particularly limited herein.

Of course, the designer may also use other lighting devices instead of the LED lamp set, such as fluorescent lamp, discharge lamp, xenon lamp, etc., without being limited thereto.

In the embodiment of the present utility model, a plurality of key display areas 31 are provided, and each key display area 31 is independently provided with the sensing element 4 and the elastic support structure 5.

By providing a plurality of key display areas 31, different key display areas 31 can be used to realize different functions, thereby having better use effects. In addition, each key display area 31 is independently provided with the sensing element 4 and the elastic supporting structure 5, so that interference among the key display areas 31 is avoided, and the reliability of each key display area 31 is improved.

For example, when the on and off functions are implemented, two key display regions 31 may be provided for controlling on and off, respectively. When it is necessary to realize a plurality of functions of on, off, addition, and subtraction, etc., four key display regions 31 may be provided for controlling on, off, addition, and subtraction, respectively. The designer can determine the number of settings of the key display area 31 according to the use requirement, and is not particularly limited herein.

Further, the interval between adjacent key display regions 31 is not less than 6mm. Through making the interval between the adjacent key display area 31 be not less than 6mm, can reduce the interference risk that adjacent key display area 31 produced in the use, and then reduced the probability of occurrence of maloperation, improved the safety in utilization.

Of course, the designer may adjust the minimum spacing distance between adjacent key display regions 31 according to the use requirement, and is not limited to specific values herein.

Second embodiment

The embodiment of the utility model also provides a household appliance, which comprises the display module. The specific structure, working principle and beneficial effects of the display module are the same as those described in the first embodiment, and are not described here again. The home appliance improves touch reliability of the home appliance by using the display module in the first embodiment, and also reduces manufacturing cost of the display module by using the carbon film 41 as the sensing element 4 of the display module.

All articles and references, including patent applications and publications, disclosed herein are incorporated by reference for all purposes. The term "consisting essentially of …" describing a combination shall include the identified element, ingredient, component or step as well as other elements, ingredients, components or steps that do not substantially affect the essential novel features of the combination. The use of the terms "comprises" or "comprising" to describe combinations of elements, components, or steps herein also contemplates embodiments consisting essentially of such elements, components, or steps. By using the term "may" herein, it is intended that any attribute described as "may" be included is optional. Multiple elements, components, parts or steps can be provided by a single integrated element, component, part or step. Alternatively, a single integrated element, component, part or step may be divided into separate plural elements, components, parts or steps. The disclosure of "a" or "an" to describe an element, component, section or step is not intended to exclude other elements, components, sections or steps.

In this specification, each embodiment is described in a progressive manner, and each embodiment is mainly described by differences from other embodiments, and identical and similar parts between the embodiments are all enough to be referred to each other. The above embodiments are provided to illustrate the technical concept and features of the present utility model and are intended to enable those skilled in the art to understand the content of the present utility model and implement the same, and are not intended to limit the scope of the present utility model. All equivalent changes or modifications made in accordance with the spirit of the present utility model should be construed to be included in the scope of the present utility model.

Claims (20)

1. A display module, characterized in that the display module comprises:

a housing;

the circuit module is arranged in the shell, and a light-emitting unit is arranged on the circuit module;

the display panel is arranged on the shell and comprises at least one key display area and at least one non-display area, and the key display area can receive the light source output by the light-emitting unit;

the sensing element is arranged on the inner side of the display panel and is electrically connected with the circuit module, at least part of the sensing element covers the key display area, and the sensing element can convey electric signals to the circuit module based on touch.

2. The display module of claim 1, further comprising an elastic support structure comprising a plurality of elastic members disposed between the circuit module and the sensing element, the plurality of elastic members respectively connecting the circuit module and the sensing element.

3. The display module of claim 2, wherein a plurality of said elastic members are disposed at intervals on the edge of said sensing element, and wherein a plurality of said elastic members are connected to said sensing element in said non-display area.

4. The display module of claim 2, wherein the elastic member is formed of a conductive material, and the sensing element is electrically connected to the circuit module through any of the elastic members.

5. The display module of claim 4, wherein the elastic member is a conductive spring, one end of the conductive spring is electrically connected to the circuit module, and the other end of the conductive spring is abutted against or connected to the sensing element.

6. The display module assembly of claim 5, wherein the other end of the conductive spring is provided with a conductive portion, and the conductive spring forms multi-point contact or line contact or surface contact with the sensing element through the conductive portion.

7. The display module of claim 2, wherein the elastic member comprises an elastic block and a conductive member embedded in the elastic block, and the sensing element is electrically connected with the circuit module through any of the conductive members.

8. The display module of claim 1, wherein the sensing element comprises a carbon film that is disposed on an inner side of the display panel, the carbon film capable of delivering a capacitance signal to the circuit module based on a touch.

9. The display module of claim 8, wherein the sensing element further comprises a conductive film disposed between the carbon film and the display panel, the conductive film capable of conducting current between the carbon film and the display panel.

10. The display module of claim 9, wherein the conductive film is formed by conductive silver paste, and the conductive silver paste is laid on the inner side of the display panel.

11. The display module of claim 9, wherein the display panel includes a light-transmissive substrate disposed on the housing, at least a portion of the carbon film having a light-transmissive window forming a key display area, and the remainder of the carbon film forming the non-display area.

12. The display module of claim 11, wherein the sensing element further comprises an insulating layer disposed in the light-transmissive window of the carbon film.

13. The display module of claim 8, wherein the display panel includes a light-transmitting substrate provided on the housing and a light-shielding film covering an inner side of the light-transmitting substrate, at least a portion of the light-shielding film is provided with a light-transmitting window to form the key display region, the remaining light-shielding film forms the non-display region, and the carbon film is provided in the non-display region.

14. The display module of claim 8, wherein the display panel includes a light shielding substrate disposed on the housing, at least a portion of the light shielding substrate having a light-transmitting window thereon to form the key display region, the remaining portion of the light shielding substrate forming the non-display region, the carbon film being disposed in the non-display region.

15. The display module of claim 2, further comprising a diffusion film covering the light emitting unit, the diffusion film being capable of uniformly diffusing the light source output from the light emitting unit.

16. The display module of claim 15, wherein the diffusion film is provided with a relief area, and each of the elastic members connects the sensing element and the circuit module through the relief area.

17. The display module of claim 1, wherein the light emitting unit is an LED light group disposed on the circuit module.

18. The display module of claim 2, wherein there are a plurality of key display areas, each of which is independently provided with the sensing element and the elastic support structure.

19. The display module of claim 1, wherein a spacing between adjacent ones of the key display regions is not less than 6mm.

20. A household appliance comprising a display module as claimed in any one of claims 1 to 19.