Touch display and refrigerator having the same
By providing a raised portion corresponding to the sensing area on the light-shielding film and placing the conductive member between the raised portion and the sensing area, the touch sensing defect and light-shielding film warping caused by the assembly gap between the glass cover plate and the light-shielding film in the prior art is solved, thereby achieving lower assembly difficulty and higher product quality.
Patent Information
- Application Number
- CN201911022464.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2019-10-25
- Publication Date
- 2025-06-10
- Estimated Expiration
- 2039-10-25
AI Technical Summary
When there is an assembly gap between the glass cover plate and the light-shielding film, the existing touch display leads to poor touch sensing and the problem of warping or peeling of the light-shielding film, which increases production difficulty and manufacturing cost.
By providing a projection corresponding to the sensing area on the light-shielding film, and placing the conductor between the projection and the sensing area, the conductor does not come into contact with the cover plate, and the projection contacts the cover plate, the assembly accuracy requirements are reduced, and the warping movement of the light-shielding film is limited.
It effectively avoids the problems of cover scratches and warping and peeling of light-shielding films, reduces assembly difficulty and accuracy requirements, and ensures the effectiveness of touch sensing and the quality and aesthetics of the product.
Smart Images

Figure CN111061393B_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to a touch display and a refrigerator having the same, and belongs to the technical field of displays. Background Art
[0002] With the innovation and progress of display technology, touch displays have become a common configuration for various household appliances including refrigerators. For example, in refrigerator products, touch displays may be provided on the outer surface of the door, on the built-in fresh-keeping box, on the variable-temperature bucket, etc., for users to view or control the storage situation or storage environment.
[0003] Existing touch displays include a touch display panel, a light-shielding film covering the upper surface of the touch display panel, and a glass cover plate covering above the light-shielding film. The touch display panel has a light-emitting element and a touch sensing element. Among them, the light-emitting element emits light controllably and the light emitted by it can pass through the light-shielding film and project upward; an elastic member is provided between the touch sensing element and the glass cover plate. When a user touches and presses the glass cover plate, the elastic member transmits the pressing action to the touch sensing element so that the touch sensing element obtains a corresponding touch signal.
[0004] However, in an existing touch display, the upper and lower ends of the elastic member respectively abut against the light-shielding film and the touch display panel. This touch display has the following problems: when there is an assembly gap between the glass cover plate and the light-shielding film, on the one hand, the pressing action on the glass cover plate cannot be effectively transmitted to the elastic member through the light-shielding film, resulting in poor touch sensing; on the other hand, due to the abutment of the elastic member, the light-shielding film warps upward or even peels off from the pasting mechanism, resulting in the displacement of the light-shielding film; in order to avoid the above two problems, precise assembly between the glass cover plate and the light-shielding film is required, thereby increasing the production precision requirements of the touch display, and increasing the production difficulty and manufacturing cost of the touch display.
[0005] In another existing touch display, the upper end of the elastic member abuts against the glass cover plate, and the lower end of the elastic member can pass through the light-shielding film and then abut against the touch display panel, or the lower end of the elastic member abuts against the light-shielding film and tightly adheres the light-shielding film to the surface of the touch display panel. However, the abutment of the elastic member against the glass cover plate often causes scratches on the glass cover plate, affecting the product quality; in addition, in products where the light-shielding film is tightly adhered to the surface of the touch display panel, the assembly difficulty between the light-shielding film and the touch display panel is relatively large, increasing the production difficulty of the touch display. Summary of the Invention
[0006] The purpose of the present invention is to provide a touch display and a refrigerator having the same, so as to reduce the assembly difficulty of the touch display compared with the prior art and ensure the quality and aesthetics of the product.
[0007] To achieve one of the above-mentioned invention purposes, an embodiment of the present invention provides a touch display, which includes a touch display panel, a light-shielding film, a conductive member, and a cover plate. The touch display panel includes a sensing area provided with touch sensing elements. The light-shielding film covers the upper part of the touch display panel. The cover plate covers the upper part of the light-shielding film. The light-shielding film has a film main body and a convex portion corresponding to the position of the sensing area up and down. The convex portion protrudes upward from the upper surface of the film main body and contacts the cover plate. The conductive member is located between the convex portion and the sensing area. The upper end of the conductive member contacts the convex portion, and the lower end of the conductive member contacts the sensing area.
[0008] As a further improvement of an embodiment of the present invention, the lower surface of the convex portion is recessed in the lower surface of the film main body to form a groove, and the upper end of the conductive member is accommodated in the groove.
[0009] As a further improvement of an embodiment of the present invention, the number of the convex portions is the same as that of the sensing areas, and the two correspond to each other one by one.
[0010] As a further improvement of an embodiment of the present invention, the conductive member is provided as an elastic member.
[0011] As a further improvement of an embodiment of the present invention, the touch display further includes:
[0012] A box body for accommodating the touch display panel, having a bottom plate located below the touch display panel and a side frame surrounding the touch display panel;
[0013] A support plate located between the touch display panel and the light-shielding film;
[0014] Wherein, the light-shielding film is adhesively connected to the side frame and adheres to the upper surface of the support plate.
[0015] As a further improvement of an embodiment of the present invention, the touch display panel further includes a plurality of first display areas provided with light-emitting elements;
[0016] The plurality of first display areas are arranged in sequence along a first direction, and the remaining first display areas between the two first display areas at both ends respectively have corresponding sensing areas;
[0017] When any one of the sensing areas changes from an untriggered state to a triggered state, the corresponding first display area changes from a dark screen state to a lit state, and the other first display areas remain in the dark screen state;
[0018] The light-shielding film has a light-transmitting hollowed-out band extending in the first direction, and the light-transmitting hollowed-out band covers above all of the first display areas, so that all of the first display areas emit light through the light-transmitting hollowed-out band.
[0019] As a further improvement of an embodiment of the present invention, a light-blocking member is further provided between the touch display panel and the light-shielding film. The light-blocking member has a light-transmitting channel penetrating up and down. The light-transmitting channel is arranged as a strip extending in the first direction and is vertically corresponding to the light-transmitting hollowed-out band. All of the first display areas are optically conducted to the light-transmitting hollowed-out band through the light-transmitting channel.
[0020] As a further improvement of an embodiment of the present invention, the touch display further includes a light guide bar covering the lower surface of the light-transmitting hollowed-out band, and the light guide bar is accommodated in the light-transmitting channel.
[0021] As a further improvement of an embodiment of the present invention, the touch display panel further includes at least two second display areas provided with light-emitting elements. The at least two second display areas are arranged side by side in the first direction and are located on the side of the plurality of first display areas;
[0022] In the first direction, at least one of the first display areas is arranged between two adjacent second display areas.
[0023] To achieve one of the above-mentioned invention purposes, an embodiment of the present invention provides a refrigerator having the touch display.
[0024] Compared with the prior art, the present invention has the following beneficial effects: on the one hand, the conductive member is located between the light-shielding film and the sensing area, and the conductive member does not contact the cover plate, thereby avoiding scratching the cover plate; on the other hand, a convex portion is provided at the light-shielding film at the upper end of the conductive member, so that the convex portion can easily contact the cover plate, reducing the requirement for the assembly accuracy between the cover plate and the light-shielding film, ensuring that the pressing action at the cover plate can be effectively transmitted to the conductive member through the convex portion, and the contact between the convex portion and the cover plate limits the upward warping movement of the light-shielding film, solving the problems of poor sensing and warping or even peeling of the light-shielding film in the prior art. Description of the Drawings
[0025] Figure 1 is a perspective view of a touch display according to an embodiment of the present invention;
[0026] Figure 2 is an exploded view of the structure of a touch display according to an embodiment of the present invention;
[0027] Figure 3 is along Figure 1 the sectional view taken along A-A in
[0028] Figure 4It is a perspective view of the lower surface of a light-shielding film according to an embodiment of the present invention;
[0029] Figure 5 It is a schematic diagram of the application of a touch display according to an embodiment of the present invention on a variable-temperature bucket of a refrigerator;
[0030] Figure 6 It is a schematic diagram of the application of a touch display (with the cover plate removed) according to an embodiment of the present invention on a variable-temperature bucket of a refrigerator. Detailed implementation manners
[0031] The following will describe in detail the embodiments of the present invention with reference to the specific embodiments shown in the drawings. However, these embodiments do not limit the present invention, and any structural, method, or functional transformation made by those of ordinary skill in the art according to these embodiments is included in the protection scope of the present invention.
[0032] Refer Figures 1 to 4 As shown, an embodiment of the present invention provides a touch display 1, which specifically includes a cover plate 10, a light-shielding film 20, a touch display panel 30, and a conductive member 50.
[0033] Among them, the cover plate 10 is generally in the shape of a thin plate extending along a first surface (that is, having a large surface area on the first surface and a very small thickness in the direction perpendicular to the first surface). The cover plate 10, the light-shielding film 20, and the touch display panel 30 are sequentially stacked in the thickness direction of the cover plate 10. To clearly express the positions and directions described in this application, with the relative positions of the cover plate 10 and the light-shielding film 20 as a reference, the direction from the cover plate 10 along its thickness direction to the light-shielding film 20 is defined as "down", and conversely, the direction from the light-shielding film 20 to the cover plate 10 is defined as "up". It should be noted that in the drawings of this application, the first surface is generally exemplified as a plane, and in actual implementation, for example, when the touch display 1 is set as a flexible structure, the first surface can also be set as a curved surface according to needs.
[0034] The touch display panel 30 includes a sensing area 30b, and touch sensing elements are arranged in the sensing area 30b so as to obtain touch signals through the touch sensing elements, thereby realizing the touch sensing function of the touch display panel 30. The touch sensing elements can be specifically set as capacitive sensing elements, or can be implemented with other feasible sensing elements in the technical field of touch displays.
[0035] The touch display panel 30 further includes a display area (such as the display area 30c and the display area 30a in the following text). The display area is provided with light-emitting elements so as to realize the display function of the touch display panel 30 through the light emission of the light-emitting elements. The light-emitting elements can be specifically set as LEDs, LCDs, or other feasible light-emitting elements in the technical field of displays.
[0036] The light-shielding film 20 covers the upper part of the touch display panel 30, and the light emitted by the touch display panel 30 can be at least partially blocked when projected onto the light-shielding film 20. Specifically, the light-shielding film 20 may include a base layer and an ink layer coated on the surface of the base layer. The ink layer has the characteristic of low light transmittance or even light impermeability. Of course, the light-shielding film 20 can also be implemented with other structures whose light transmittance meets the requirements.
[0037] The cover plate 10 covers the upper part of the light-shielding film 20, and its upper surface constructs a part of the outer surface of the touch display 1, which can protect the internal structure of the touch display 1. The cover plate 10 can usually be made of a material with good light transmittance and mechanical properties, such as at least one of glass and polyimide.
[0038] In this embodiment, the light-shielding film 20 has a film body and a convex portion 21. The convex portion 21 protrudes upward from the upper surface of the film body. Compared with the film body, the convex portion 21 is more likely to come into contact with the cover plate 10. The convex portion 21 corresponds to the position of the sensing area 30b up and down. In the orthographic projection along the up-down direction, the convex portion 21 and the corresponding sensing area 30b at least partially overlap each other.
[0039] Moreover, the conductive member 50 is located between the convex portion 21 and the sensing area 30b. The upper end of the conductive member 50 is in contact with the convex portion 21, and the lower end of the conductive member 50 is in contact with the sensing area 30b. Thus, for the touch display 1 of this embodiment, on the one hand, the conductive member 50 is located between the light-shielding film 20 and the sensing area 30b, and the conductive member 50 does not come into contact with the cover plate 10, thereby avoiding scratching the cover plate 10. On the other hand, the convex portion 21 is provided at the light-shielding film 20 at the upper end of the conductive member 50, so that the convex portion 21 can easily come into contact with the cover plate 10, reducing the requirement for the assembly accuracy between the cover plate 10 and the light-shielding film 20, ensuring that the pressing action at the cover plate 10 can be effectively transmitted to the conductive member 50 through the convex portion 21, and the contact between the convex portion 21 and the cover plate 10 limits the upward warping of the light-shielding film 20, solving the problems of poor sensing and warping of the light-shielding film 20 in the prior art.
[0040] Furthermore, the lower surface of the convex portion 21 is recessed in the lower surface of the film body to form a groove 210. The upper end of the conductive member 50 is accommodated in the groove 210. Through the setting of the groove 210, on the one hand, it is convenient to limit the conductive member 50 to prevent the conductive member 50 from being misaligned, and on the other hand, it is convenient for the positioning of the light-shielding film 20 and the conductive member 50 during the assembly process.
[0041] In this embodiment, in the up-down direction, the lower surface of the convex portion 21 is located above the upper surface of the film body. Correspondingly, the upper end of the conductive member 50 is located above the upper surface of the film body.
[0042] In addition, the numbers of the sensing region 30b, the conductive member 50, and the protrusion 21 are set to be the same, and the three correspond to each other. That is, the protrusions 21 correspond to the sensing regions 30b one by one, the protrusions 21 correspond to the conductive members 50 one by one, and the conductive members 50 correspond to the sensing regions 30b one by one. In the embodiment of this drawing, the sensing region 30b, the conductive member 50, and the protrusion 21 are all set to seven.
[0043] Furthermore, the conductive member 50 is set as an elastic member, which can specifically be set as a spring, a shrapnel, or others. When the cover plate 10 is pressed, while ensuring that the pressing action is transmitted to the touch sensing element, this elastic member can also absorb part of the displacement of the pressing action through its own deformation. Compared with a rigid structure, it can avoid causing compressive damage to the touch display panel 30.
[0044] Furthermore, the touch display 1 further includes a support member 40, and the light-shielding film 20 is attached to the support member 40.
[0045] Specifically, the support member includes a box body 41 and a support plate 42.
[0046] Among them, the box body 41 constructs part of the outer surface of the touch display 1, and it encloses a receiving cavity 410 for receiving the touch display panel 30. The box body 41 has a rectangular bottom plate 411 located below the touch display panel 30 and side frames 412 surrounding the touch display panel 30. The side frames 412 extend upward from the four peripheral edges of the bottom plate 411. The four peripheral edges of the light-shielding film 20 are tightly adhesively connected to the top flanges 4120 of the side frames 412.
[0047] The support plate 42 covers above the touch display panel 30, and it is located between the touch display panel 30 and the light-shielding film 20; the light-shielding film 20 is attached to the upper surface of the support plate 42, and the support plate 42 can support the light-shielding film 20 to stabilize the position of the light-shielding film 20.
[0048] As described above, in this embodiment, through the contact between the protrusion 21 and the cover plate 10, the upward warping movement of the light-shielding film 20 can be restricted. Considering the attached setting of the light-shielding film 20 and the support member 40, it can be seen that in this embodiment, through the protrusion 21, the peeling between the light-shielding film 20 and the support member 40 can also be avoided.
[0049] The support plate 42 has an avoidance groove 42b that penetrates up and down, and the conductive member 50 can be disposed in the avoidance groove 42 such that its upper end contacts the protrusion 21 and its lower end contacts the sensing region 30b. In this embodiment, the number of the avoidance grooves 42b is the same as the number of the conductive members 50, and the avoidance grooves 42b correspond to the conductive members 50 one by one. As shown in the drawing example, the touch display 1 includes seven avoidance grooves 42b that correspond to the seven conductive members 50 one by one.
[0050] Further, as described above, the touch display panel 30 includes a display area. Specifically, the touch display panel 30 includes a display area 30a and a display area 30b.
[0051] Among them, the light-shielding film 20 has a light-transmitting hollow portion 20a corresponding to the position of the display area 30a up and down. In the orthographic projection along the up and down direction, the light-transmitting hollow portion 20a overlaps with the corresponding display area 30a. In this way, the light emitted from the display area 30a can be projected upward through the light-transmitting hollow portion 20a to realize the display at the light-transmitting hollow portion 20a. In one embodiment, if the light-shielding film 20 is realized by coating an ink layer on the aforementioned base layer, the light-transmitting hollow portion 20a can be realized by only having the base layer without coating the ink layer, that is, at least a part of the light-shielding film 20 above the display area 30a is hollowed out to form a light-transmitting area.
[0052] It should be noted that the light-transmitting hollow portion 20a is shown in the drawings as having a configuration substantially the same as that of the display area 30a. In specific implementation, the light-transmitting hollow portion 20a can be realized in any configuration such as a hollowed-out text, a hollowed-out pattern, a hollowed-out shape, etc. to realize the display of preset information.
[0053] Preferably, the touch display panel 30 includes at least two display areas 30a. Correspondingly, the light-shielding film 20 has at least two light-transmitting hollow portions 20a with the same number as the display areas 30a. For example, in the illustrated example in the figure, both the display area 30a and the light-transmitting hollow portion 20a are provided with four. Any two light-transmitting hollow portions 20a can have the same configuration (such as both being rectangular hollow patterns) or different configurations (such as a baby bottle pattern and a fruit and vegetable pattern respectively).
[0054] The support plate 42 also has a light-blocking function, that is, it can also be called a light-blocking member 42. The support plate 42 has a light-transmitting channel 42a that penetrates up and down. The light-transmitting channel 42a is located between any display area 30a and the light-transmitting hollow portion 20a corresponding to the display area 30a. That is, each display area 30a and the light-transmitting hollow portion 20a corresponding to it are optically conducted through the light-transmitting channel 42a, so that the light emitted from the display area 30a can be projected upward through the light-transmitting channel 42a to the light-transmitting hollow portion 20a, and then the light emission is realized. In this embodiment, the number of the light-transmitting channels 42a is the same as the number of the display areas 30a.
[0055] Preferably, the two light-transmitting channels 42a corresponding to any two display areas 30a are set to be not connected to each other. That is, any two display areas 30a are blocked by the support plate 42, so that the light emitted from each other is only projected upward through one light-transmitting channel 42a corresponding to each other respectively, and no crosstalk or interference will occur under the blocking effect of the support plate 42.
[0056] Further, the number of display areas 30c is set to be plural, and the plural display areas 30c are linearly arranged in the first direction. For the convenience of description, the first direction is defined as the left - right direction hereinafter, and the direction perpendicular to both the first direction and the up - down direction is defined as the front - back direction.
[0057] Correspondingly, the light - shielding film 20 has a light - transmissive hollowed - out band 20b. The light - transmissive hollowed - out band 20b extends in a strip shape along the left - right direction, and the light - transmissive hollowed - out band 20b covers above all the display areas 30c. In this way, the light emitted from all the display areas 30c can be projected upward through the light - transmissive hollowed - out band 20b, so that the touch display 1 has strip - shaped light emission.
[0058] Similar to the light - transmissive hollowed - out part 20a, in one embodiment, if the light - shielding film 20 is implemented by coating an ink layer on the aforementioned base layer to achieve light shielding, the light - transmissive hollowed - out band 20b can be implemented by only having the base layer without coating the ink layer to achieve light transmission. The area of the light - shielding film 20 without coating the ink layer presents a strip shape extending left and right.
[0059] In addition, each sensing area 30b corresponds to a display area 30c to control the state of the display area 30c. Specifically, when any sensing area 30b receives a pressing action occurring at the corresponding position of the cover plate 10, the sensing area 30b changes from an untriggered state to a triggered state, and the corresponding display area 30c changes from a dark - screen state to a lit state. As the name implies, when the display area 30c changes from the dark - screen state to the lit state, the light emission intensity of the display area 30c increases.
[0060] Preferably, the number of display areas 30c is at least two more than the number of sensing areas 30b. Among the plural display areas 30c, the display area 30c in the middle has a corresponding sensing area 30b, while the display areas 30c at the left and right ends do not have corresponding sensing areas 30b. When a sensing area 30b changes from the untriggered state to the triggered state, the corresponding display area 30c changes from the dark - screen state to the lit state, and the remaining display areas 30c all remain in the dark - screen state. In this way, since the display areas 30c at the left and right ends do not have corresponding sensing areas 30b, these two display areas 30c are always in the dark - screen state, and since the display areas 30c in the lit state can emit light through the light - transmissive hollowed - out band 20b, the touch display 1 presents a light - emission state with dark ends and a bright middle at the corresponding position of the light - transmissive hollowed - out band 20b, improving the quality of the product.
[0061] Preferably, when any display area 30c is in the dark - screen state, the light emission intensity of the display area 30c is greater than zero, that is, at this time, the display area 30c emits light both in the dark - screen state and the lit state, but the light emission intensity in the lit state is greater.
[0062] Further, the number of the display areas 30c is set to at least four. Correspondingly, the number of the sensing areas 30b is set to at least two and respectively corresponds to the middle display areas 30c, and these sensing areas 30b are also arranged side by side in the left - right direction. For example, in the illustrated example of the drawings, the number of the display areas 30c is nine, and among them, seven middle display areas 30c respectively correspond to one sensing area 30b, while the two display areas 30c at the left and right ends do not have corresponding sensing areas 30b, that is, the number of the sensing areas 30b is set to seven. When the user's finger slides from left to right on the surface of the cover plate 10, causing the sensing areas 30b arranged in sequence from left to right to change to the triggered state one by one, correspondingly, the display areas 30c arranged in sequence from left to right become the lit state one by one, realizing the light - emitting effect of the bright spots following the manual movement.
[0063] Further, the support plate 42 has a light - transmitting channel 42c that penetrates up and down. The light - transmitting channel 42c is located below the light - transmitting hollow belt 20b and is also in a strip shape extending in the left - right direction, that is, all the display areas 30c can be optically conducted to the light - transmitting hollow belt 20b through the light - transmitting channel 42c. And the light - transmitting channel 42c and any one of the light - transmitting channels 42a are set not to communicate with each other, that is, all the display areas 30c and any one display area 30a are blocked by the support plate 42, so that the light emitted by the display area 30a is only projected upward through a corresponding light - transmitting channel 42a and will not enter the light - transmitting channel 42c, while the light emitted by all the display areas 30c is only projected upward through the light - transmitting channel 42c and will not enter any one of the light - transmitting channels 42a.
[0064] Preferably, the touch display 1 further includes a light - guiding bar 60 covering the lower surface of the light - transmitting hollow belt 20b. The light - guiding bar 60 is accommodated in the light - transmitting channel 42c, and the light that can enter the light - transmitting channel 42c can penetrate the light - guiding bar 60 and be projected onto the light - transmitting hollow belt 20b. The light - guiding bar 60 can specifically adopt an optical - grade acrylic material.
[0065] In this embodiment, the four display areas 30a are also arranged side by side in the left - right direction, and the four display areas 30a are located on the side (in this embodiment, the rear side) of the nine display areas 30c. And the four sensing areas 30b and the four display areas 30c respectively correspond to the four display areas 30a. In the front - rear direction, any one display area 30a, the corresponding sensing area 30b, and the corresponding display area 30c are arranged in sequence. And in the left - right direction, there is one display area 30c and one sensing area 30b between two adjacent display areas 30a. Of course, in a variant embodiment, the number of the display areas 30c and the sensing areas 30b between two adjacent display areas 30a can be further increased.
[0066] In addition, an embodiment of the present invention further provides a refrigerator, which includes the aforementioned touch display 1, and the touch display 1 can be disposed at any appropriate position of the refrigerator. Refer Figure 5 and Figure 6 , the refrigerator may include a box body and a storage device 100 assembled inside the box body. The storage device 100 may specifically be set as a variable-temperature barrel, which includes an outer barrel body 91, an inner barrel body 93, and a heat-insulating member 92, and the touch display 1 is disposed on the storage device 100.
[0067] Specifically, the inner surface of the inner barrel body 93 encloses a storage space; the outer barrel body 91 is sleeved outside the inner barrel body 93, that is, it is disposed relatively far from the storage space with respect to the inner barrel body 93, and the outer surface of the outer barrel body 91 constructs at least part of the external appearance of the storage device 100; the outer barrel body 91 and the inner barrel body 93 are spaced apart, and a heat-insulating cavity is formed therebetween, and the heat-insulating member 92 is filled in the heat-insulating cavity.
[0068] In the touch display 1, the remaining components (including the light-shielding film 20, the touch display panel 30, the support member 40, the conduction member 50, the light guide bar 60, etc.) except the cover plate 10 are assembled into a module integral body that can move synchronously, and this module integral body is fixedly assembled in the assembly groove of the heat-insulating member 92 through the box body 41; the cover plate 10 covers above this module integral body, and the lower surface of the cover plate 10 contacts the convex portion 21; and, the rear end edge of the cover plate 10 is inserted below the clamping flange 911 of the outer barrel body 91, and the front end edge of the cover plate 10 is inserted into the front edge wrap 94 of the outer barrel body 91, so as to realize the assembly of the touch display 1 on the storage device 100, which is simple and fast. Among them, by providing the convex portion 21, the cover plate 10 can very easily contact the convex portion 21, thereby ensuring that the touch sensing function of the touch display 1 is sensitive and effective, reducing the assembly accuracy requirements between the cover plate 10 and the light-shielding film 20, and reducing the assembly difficulty of the touch display 1. Of course, this embodiment is only an example when the touch display 1 is assembled and applied on the refrigerator, and other feasible assembly structures in the technical field can also be used to realize the application of the touch display 1 on the refrigerator, and can also realize simple and fast assembly while ensuring the touch sensing function of the touch display 1.
[0069] In summary, compared with the prior art, the present invention has the following beneficial effects: on the one hand, the conductive member 50 is located between the light-shielding film 20 and the sensing area 30b, and the conductive member 50 does not contact the cover plate 10, thereby avoiding scratching the cover plate 10; on the other hand, a convex portion 21 is provided at the light-shielding film 20 at the upper end of the conductive member 50, so that the convex portion 21 can easily contact the cover plate 10, reducing the requirement for the assembly accuracy between the cover plate 10 and the light-shielding film 20, ensuring that the pressing action at the cover plate 10 can be effectively transmitted to the conductive member 50 through the convex portion 21, and the contact between the convex portion 21 and the cover plate 10 restricts the upward warping movement of the light-shielding film 20, solving the problems of poor sensing and warping or peeling of the light-shielding film 20 in the prior art.
[0070] The detailed descriptions listed above are only specific descriptions of the feasible implementation manners of the present invention, and they are not intended to limit the protection scope of the present invention. Any equivalent implementation manners or changes made without departing from the technical spirit of the present invention should be included in the protection scope of the present invention.
Claims
1. A touch display, comprising a touch display panel, a light-shielding film, a conductive member, and a cover plate. The touch display panel includes a sensing area provided with touch sensing elements. The light-shielding film covers above the touch display panel, and the cover plate covers above the light-shielding film. Characterized in that, The light-shielding film has a film main body and a convex portion corresponding to the position of the sensing area up and down. The convex portion protrudes upward from the upper surface of the film main body and contacts the cover plate. Moreover, the number of the convex portions is the same as that of the sensing areas, and the two correspond one by one. The conductive member is located between the convex portion and the sensing area. The upper end of the conductive member contacts the convex portion, and the lower end of the conductive member contacts the sensing area. The touch display panel further includes a plurality of first display areas provided with light-emitting elements. The plurality of first display areas are arranged in sequence along a first direction, and among the remaining first display areas between the two first display areas at both ends, each has a corresponding sensing area. When any one of the sensing areas changes from an untriggered state to a triggered state, the corresponding first display area changes from a dark screen state to a lit state, and the other first display areas remain in the dark screen state. The light-shielding film has a light-transmitting hollow band extending along the first direction, and the light-transmitting hollow band covers above all the first display areas, so that all the first display areas emit light through the light-transmitting hollow band.
2. The touch display according to claim 1, Characterized in that, The lower surface of the convex portion is recessed in the lower surface of the film main body to form a groove, and the upper end of the conductive member is received in the groove.
3. The touch display according to claim 1, Characterized in that, The conductive member is provided as an elastic member.
4. The touch display according to claim 1, Characterized in that, Further comprising: A box body for accommodating the touch display panel, having a bottom plate located below the touch display panel and side frames surrounding the touch display panel; A support plate located between the touch display panel and the light-shielding film; Wherein, the light-shielding film is adhesively connected to the side frames and adheres to the upper surface of the support plate.
5. The touch display according to claim 1, Characterized in that, There is also a light-blocking member between the touch display panel and the light-shielding film. The light-blocking member has a light-transmitting channel penetrating up and down. The light-transmitting channel is provided as a strip extending along the first direction and is vertically corresponding to the light-transmitting hollow band. All the first display areas are optically conducted to the light-transmitting hollow band through the light-transmitting channel.
6. The touch display according to claim 5, Characterized in that, Further comprising a light guide bar covering the lower surface of the light-transmitting hollow band, and the light guide bar is received in the light-transmitting channel.
7. The touch display according to claim 1, Characterized in that, The touch display panel further includes at least two second display areas provided with light-emitting elements. The at least two second display areas are arranged side by side along the first direction and are located on the side of the plurality of first display areas. In the first direction, at least one of the first display areas is disposed between two adjacent second display areas.
8. A refrigerator, characterized in that it includes the touch display according to any one of claims 1 to 7.
Citation Information
Patent Citations
Touch detection structure, touch display device, touch detection method, and manufacture method of touch display device
CN103927041A
Show touch subassembly and have refrigerator that this demonstration touched subassembly
CN205721700U
Electromagnetism stove display panel
CN208764977U
Touch display and refrigerator with same
CN211123994U