CN218603646U - Two-sided directional sound production device and display device - Google Patents
Two-sided directional sound production device and display device Download PDFInfo
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- CN218603646U CN218603646U CN202221989868.5U CN202221989868U CN218603646U CN 218603646 U CN218603646 U CN 218603646U CN 202221989868 U CN202221989868 U CN 202221989868U CN 218603646 U CN218603646 U CN 218603646U
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Abstract
The utility model discloses a double-sided directional sounding device and a display device, wherein the double-sided directional sounding device comprises a first substrate, a first directional sounding unit and a second directional sounding unit which are respectively arranged on two opposite sides of the first substrate; the first directional sounding unit comprises a first conducting layer, a second conducting layer, a first vibration layer and a first insulating interlayer, the second conducting layer is arranged on one side, away from the first substrate, of the first conducting layer, the first vibration layer is attached to one side, away from the first substrate, of the second conducting layer, and the first insulating interlayer is arranged between the first conducting layer and the second conducting layer; the second directional sounding unit comprises a third conducting layer, a fourth conducting layer, a second vibration layer and a second insulating spacing layer; this two-sided directional sound generating device sets up first directional sound generating unit and second directional sound generating unit respectively through the relative both sides at first base plate to realize the two-sided directional sound production of device, effectively enlarged directional sound production's application.
Description
Technical Field
The utility model relates to a directional sound production technical field especially relates to a two-sided directional sound generating mechanism and display device.
Background
The parametric array directional sound technology is characterized in that ultrasonic waves are used as carrier waves to modulate audio signals, the formed modulated ultrasonic signals are emitted through an ultrasonic transducer, audible audio is formed under demodulation of a nonlinear medium, and the directional sound technology has high sound directivity.
The technology can only provide sound production in a certain specific direction at present, however, with continuous updating and iteration of electronic products, the application requirements of directional sound production in different directions can be derived due to continuous expansion of application scenes. For example, with the development of display devices from single-sided display to transparent double-sided display, it is important for directional sound generating devices to match the sound generating technology and device of double-sided display.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a two-sided directional sound generating mechanism and display device, it can effectively realize two-sided directional sound production.
In order to realize the purpose of the utility model, the utility model provides a following technical scheme:
in a first aspect, a double-sided directional sound generating device is provided, which includes a first substrate, and a first directional sound generating unit and a second directional sound generating unit respectively disposed on two opposite sides of the first substrate;
the first directional sounding unit comprises a first conducting layer, a second conducting layer, a first vibration layer and a first insulating interlayer, the first conducting layer is arranged on one side face of a first substrate, the second conducting layer is arranged on one side, away from the first substrate, of the first conducting layer, the first vibration layer is attached to one side, away from the first substrate, of the second conducting layer, and the first insulating interlayer is arranged between the first conducting layer and the second conducting layer;
the second directional sounding unit comprises a third conducting layer, a fourth conducting layer, a second vibration layer and a second insulation spacing layer, the third conducting layer is arranged on the other side face of the first substrate, the fourth conducting layer is arranged on one side of the first substrate, the third conducting layer is far away from the second vibration layer, the second vibration layer is arranged on the fourth conducting layer, the fourth conducting layer is far away from one side of the first substrate, and the second insulation spacing layer is arranged between the third conducting layer and the fourth conducting layer.
In a preferred embodiment, the first insulating interlayer includes a first insulating layer and a first spacer layer, the first insulating layer is disposed on a side of the first conductive layer away from the first substrate, and the first spacer layer is disposed between the first insulating layer and the second conductive layer;
the second insulating spacer layer comprises a second insulating layer and a second spacer layer, the second insulating layer is arranged on the side face, away from the second substrate, of the third conducting layer, and the second spacer layer is arranged between the second insulating layer and the fourth conducting layer.
In a preferred embodiment, the first spacer layer and the second spacer layer are both lattice structures or lattice structures.
In a second aspect, a dual-sided directional sounding device is provided, where the dual-sided directional sounding device includes a dual-sided display screen, and a third directional sounding unit and a fourth directional sounding unit respectively attached to two opposite sides of the dual-sided display screen;
the third directional sounding unit comprises a first conducting layer, a second conducting layer, a first vibration layer and a first insulating interlayer, the first conducting layer is arranged on one side face of the double-face display screen, the second conducting layer is arranged on one side face, close to the double-face display screen, of the first vibration layer, and the first insulating interlayer is arranged between the first conducting layer and the second conducting layer;
the fourth directional sound production unit comprises a third conducting layer, a fourth conducting layer, a second vibration layer and a second insulation spacing layer, the third conducting layer is arranged on the other side face of the double-face display screen, the fourth conducting layer is arranged on the side face of the double-face display screen, the second vibration layer is close to the side face of the double-face display screen, and the second insulation spacing layer is arranged between the third conducting layer and the fourth conducting layer.
In a preferred embodiment, the double-sided directional sound generating device further comprises a second substrate and a third substrate;
the second substrate is arranged between the third directional sounding unit and the double-sided display screen;
the third substrate is arranged between the fourth directional sounding unit and the double-sided display screen.
In a preferred embodiment, the dual-sided directional sound generator further includes an adhesive layer disposed between the second substrate and the dual-sided display screen, and the adhesive layer is disposed between the third substrate and the dual-sided display screen.
In a third aspect, there is provided a dual sided directional sound emitting device, comprising:
the double-sided display screen comprises a double-sided display module, a first polaroid and a second polaroid, wherein the first polaroid and the second polaroid are respectively arranged on two opposite sides of the double-sided display module;
the fifth directional sound production unit is arranged between the double-sided display module and the first polaroid and comprises a first conducting layer, a second conducting layer and a first insulating interlayer, the first conducting layer is arranged on one side surface of the double-sided display module, the second conducting layer is arranged on one side surface of the first polaroid close to the double-sided display module, and the first insulating interlayer is arranged between the first conducting layer and the second conducting layer;
sixth directional sound generating unit, sixth directional sound generating unit locates two-sided display module with between the second polaroid, sixth directional sound generating unit includes third conducting layer, fourth conducting layer and second insulation space layer, the third conducting layer sets up on two-sided display module's another side, the fourth conducting layer is located the second polaroid is close to on two-sided display module's a side, second insulation space layer locates the third conducting layer with between the fourth conducting layer.
In a preferred embodiment, the second conductive layer is attached to the first polarizer, and the fourth conductive layer is attached to the second polarizer.
In a fourth aspect, a display device is provided, which comprises the above-mentioned double-sided directional sounding device.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model provides a double-sided directional sounding device, which is characterized in that a first directional sounding unit and a second directional sounding unit are respectively arranged on two opposite sides of a first substrate to form a double-sided directional loudspeaker to realize double-sided directional sounding;
further, according to the double-sided directional sound-generating device provided by the embodiment, the third directional sound-generating unit and the fourth directional sound-generating unit are respectively arranged on the two opposite sides of the double-sided display screen, so that double-sided directional sound generation is realized while double-sided display is realized;
furthermore, according to the double-sided directional sound production device provided by the embodiment, the fifth directional sound production unit and the sixth directional sound production unit are respectively integrated between the display module and the polarizer on the two opposite sides of the double-sided display screen, so that the integration level of the double-sided directional sound production device is further improved on the premise of realizing double-sided display and double-sided directional sound production;
it should be noted that the present invention only needs to realize at least one of the above technical effects.
Drawings
FIG. 1 is a cross-sectional view of a two-sided directional sound generator in accordance with one embodiment of the present invention;
FIG. 2 is a sectional view of a two-sided directional sound generator according to a second embodiment of the present invention;
FIG. 3 is a sectional view of a three-sided directional sound generator according to this embodiment;
fig. 4 is a sectional view of a four-sided directional sound generating device according to the present embodiment.
The labels in the figure are: 100,200,300, 400-double-sided directional sound emission device, 10-first substrate, 20-first directional sound emission unit, 21-first conductive layer, 22-second conductive layer, 23-first vibration layer, 24-first insulating interlayer, 241-first insulating layer, 242-first spacer layer, 30-second directional sound emission unit, 31-third conductive layer, 32-fourth conductive layer, 33-second vibration layer, 34-second insulating spacer layer, 341-second insulating layer, 342-second spacer layer, 40-double-sided display screen, 41-double-sided display module, 42-first polarizer, 43-second polarizer, 50-third directional sound emission unit, 60-fourth directional sound emission unit, 70-second substrate, 80-third substrate, 90-adhesive layer, 410-fifth directional sound emission unit, 420-sixth directional sound emission unit.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the following description will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "vertical", "upper", "lower", "top", "side", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
Example one
As shown in fig. 1, the present embodiment provides a dual-sided directional sound generating device 100, where the dual-sided directional sound generating device 100 includes a first substrate 10, and a first directional sound generating unit 20 and a second directional sound generating unit 30 respectively disposed on two opposite sides of the first substrate 10. The directional sound emission device 100 in this embodiment forms a double-sided directional sound emission speaker by attaching a directional sound emission unit to each side of the first substrate 10.
Further, the first directional sound emitting unit 20 includes a first conductive layer 21, a second conductive layer 22, a first vibration layer 23, and a first insulating interlayer 24. The first conductive layer 21 is disposed on a surface (in this embodiment, an upper end surface) of the first substrate 10, the second conductive layer 22 is disposed on a side of the first conductive layer 21 away from the first substrate 10, the first vibration layer 23 is attached to a side of the second conductive layer 22 away from the first substrate 10, and the first insulating interlayer 24 is disposed between the first conductive layer 21 and the second conductive layer 22. In a preferred embodiment, the first directional sound generating unit 20 includes a first conductive layer 21, a first insulating interlayer 24, a second conductive layer 22, and a first vibration layer 23, which are sequentially laminated in a direction away from one side surface of the first substrate 10. It should be noted that, in this embodiment, different functional layers may be selectively disposed between the first directional sound generating unit 20 and the substrate 10 and between adjacent layers included in the first directional sound generating unit 20, which is not limited in this embodiment.
Further, the first conductive layer 21 and the second conductive layer 22 are respectively connected to the positive electrode and the negative electrode of the external power source to form a loop, so as to drive the vibration of the first vibration layer 23. And, since the second conductive layer 22 is attached to the first vibration layer 23, the amplitude and the vibration frequency of the second conductive layer 22 and the first vibration layer 23 attached to each other are identical during vibration.
Further, in order to provide a certain vibration space for the vibration of the second conductive layer 22 and the first vibration layer 23, the first insulating interlayer 24 includes a first insulating layer 241 and a first interlayer 242, in implementation, the first insulating layer 241 may be disposed on the surface of the first conductive layer 21 away from the first substrate 10, or may be disposed on the surface of the second conductive layer 22 away from the first vibration layer 23, in this embodiment, the first insulating layer 241 may be disposed on the surface of the first conductive layer 21 away from the first substrate 10. The first spacing layer 242 is disposed between the insulating layer 241 and the second conductive layer 22, and the first spacing layer 242 is a lattice structure or a grid structure, which is not limited in this embodiment. Furthermore, the first spacing layer 242 is integrally disposed with the first insulating layer 241, and the first spacing layer 242 is attached to one side surface of the first insulating layer 241 by stamping, silk-screen printing, jet printing, exposure, development, and the like. Therefore, the voids formed by the lattice structure or the lattice structure of the first spacer layer 242 provide a vibration space for the first vibration layer 23.
Further, the first substrate 10 is made of polymer or glass. The first conductive layer 21 and the second conductive layer 22 respectively include, but are not limited to, a stack of one or more of an indium tin oxide layer (ITO layer), silver nanoparticle layer (AgNPs), silver nanowire layer (AgNWs), and metal mesh. The first insulating spacer layer 24 is made of a dielectric material, including but not limited to a laminate of one or more of a polyester layer, a polycarbonate layer, a polytetrafluoroethylene layer, and a polypropylene layer. The first vibration layer 23 is also made of a dielectric material having a certain elasticity, including but not limited to a polyethylene terephthalate layer (PET) or the like.
On this basis, the second directional sounding unit 30 includes a third conductive layer 31, a fourth conductive layer 32, a second vibration layer 33 and a second insulating spacer layer 34, the third conductive layer 31 is disposed on the other surface (the lower end surface in the embodiment) of the first substrate 10, the second insulating spacer layer 34 also includes a second insulating layer 341 and a second spacer layer 342, and the fourth conductive layer 32 is attached to the second vibration layer 33. The fourth conductive layer 32 is disposed on a side of the third conductive layer 31 away from the first substrate 10, the second vibration layer 33 is attached to a side of the fourth conductive layer 32 away from the first substrate 10, and the second insulation spacer layer 34 is disposed between the third conductive layer 31 and the fourth conductive layer 32. Similar to the first directional sound emitting unit 20, in a preferred embodiment, the second directional sound emitting unit 30 includes a third conductive layer 31, a second insulating spacer layer 34, a fourth conductive layer 32 and a second vibration layer 33 sequentially attached to each other in a direction away from one side surface of the first substrate 10. The third conductive layer 31, the fourth conductive layer 32, the second vibration layer 33, and the second insulating spacer layer 34 have the same or different layer structures and materials as the first conductive layer 21, the second conductive layer 22, the first vibration layer 23, and the first insulating spacer layer 24 included in the first directional sound generating unit 20.
Therefore, the double-sided directional sound-generating device 100 provided by the present embodiment forms a double-sided directional speaker by two oppositely disposed directional sound-generating units sharing the same substrate, so as to implement double-sided directional sound generation, and the double-sided directional sound-generating device can be connected with a display device to implement synchronous playing of video and audio.
Example two
As shown in fig. 2, the present embodiment further provides a dual-sided directional sound-generating device 200, where the dual-sided directional sound-generating device 200 includes a dual-sided display screen 40, and a third directional sound-generating unit 50 and a fourth directional sound-generating unit 60 respectively attached to two opposite sides of the dual-sided display screen 40.
The third directional sound emission unit 50 and the fourth directional sound emission unit 60 are similar to the first directional sound emission unit 20 and the second directional sound emission unit 30 in the previous embodiment. Specifically, the third directional sound generating unit 50 includes a first conductive layer 21, a second conductive layer 22, a first vibration layer 23, and a first insulating interlayer 24, the first conductive layer 21 is disposed on a side surface of the double-sided display screen 40, the second conductive layer 22 is disposed on a side surface of the first vibration layer 23 close to the double-sided display screen 40, and the first insulating interlayer 24 is disposed between the first conductive layer 21 and the second conductive layer 22. The fourth directional sound unit 60 includes a third conductive layer 31, a fourth conductive layer 32, a second vibration layer 33 and a second insulating spacer layer 34, wherein the third conductive layer 31 is disposed on the other side of the dual-sided display screen 40. The fourth conductive layer 32 is disposed on a side of the second vibration layer 33 close to the double-sided display panel 40, and the second insulating spacer layer 34 is disposed between the third conductive layer 31 and the fourth conductive layer 32. The specific structure of the third directional sound emission unit 50 and the fourth directional sound emission unit 60 can refer to the description of embodiment 1, and will not be further described here.
It should be noted that the third directional sound generating unit 50 and the fourth directional sound generating unit 60 are respectively integrated on the surface of the dual-sided display screen 40, and in order to avoid shielding the display interface of the dual-sided display screen 40 or bringing about the influence of decrease in definition and brightness, the third directional sound generating unit 50 and the fourth directional sound generating unit 60 in this embodiment are both made of transparent materials, illustratively, the first conductive layer 21, the second conductive layer 22, and the like are made of transparent ITO conductive materials, and the first insulating interlayer 24 is made of a silicon dioxide layer material.
Therefore, the dual-sided directional sound emission device 200 in this embodiment uses the front and rear display interfaces of the dual-sided display screen 40 as substrates, and forms the third directional sound emission unit 50 and the fourth directional sound emission unit 60 which are oppositely disposed, so as to achieve synchronous dual-sided directional sound emission while satisfying dual-sided display.
EXAMPLE III
As shown in fig. 3, the present embodiment further provides a dual-sided directional sound-generating device 300, the dual-sided directional sound-generating device 300 further includes a second substrate 70 and a third substrate 80 on the basis of the dual-sided directional sound-generating device 200 in the second embodiment, the second substrate 70 is disposed between the third directional sound-generating unit 50 and the dual-sided display screen 40, and the third substrate 80 is disposed between the fourth directional sound-generating unit 60 and the dual-sided display screen 40.
That is, in this embodiment, compared with the second embodiment, each directional sound generating unit is correspondingly configured with the substrate, and the double-sided directional sound generating device is formed by matching and connecting the directional sound generating unit, the substrate and the double-sided display screen.
Further, the third directional sound emission unit 50 and the fourth directional sound emission unit 60 are formed on the second substrate 70 and the third substrate 80 by vapor deposition or the like. The third directional sound generating unit 50/the fourth directional sound generating unit 60 and the dual-sided display screen 40 are assembled by pressing, bonding, riveting, and the like, which is not limited in this embodiment. In a preferred embodiment, the dual-sided directional sound generator 300 further includes an adhesive layer 90, the adhesive layer 90 is disposed between the second substrate 70 and the dual-sided display 40, and the adhesive layer 90 is disposed between the third substrate 80 and the dual-sided display 40. Preferably, the adhesive layer 90 is an OCR glue layer.
Therefore, in the dual-sided directional sound-generating device 300 in this embodiment, the third directional sound-generating unit and the fourth directional sound-generating unit are respectively disposed on two opposite sides of the dual-sided display screen, so as to implement dual-sided directional sound generation while performing dual-sided display, thereby forming a dual-sided directional sound-generating display device, so as to satisfy a dual-sided display application scenario.
Example four
As shown in fig. 4, the present embodiment provides a dual-sided directional sound-generating device 400, where the dual-sided directional sound-generating device 400 includes a dual-sided display screen 40, a fifth directional sound-generating unit 410, and a sixth directional sound-generating unit 420, which are integrated to form the dual-sided directional sound-generating device 400.
Specifically, the double-sided display screen 40 includes a double-sided display module 41, and a first polarizer 42 and a second polarizer 43 respectively disposed on two opposite sides of the double-sided display module 41. The fifth directional sound generating unit 410 is disposed between the dual-sided display module 41 and the first polarizer 42, and the sixth directional sound generating unit 420 is disposed between the dual-sided display module 41 and the second polarizer 43.
The specific structure of the fifth directional sound generating unit 410/the sixth directional sound generating unit 420 is substantially the same as the structure of the third directional sound generating unit 50/the fourth directional sound generating unit 60 in the second or third embodiment, except that in this embodiment, the first conductive layer 21 is disposed on one side surface of the dual-sided display module 41, and the second conductive layer 22 is disposed on one side surface of the first polarizer 42 close to the dual-sided display module 41; the third conductive layer 31 is disposed on the other side of the dual-sided display module 41, and the fourth conductive layer 32 is disposed on a side of the second polarizer 43 close to the dual-sided display module 41.
Therefore, the fifth directional sound generating unit 410 and the sixth directional sound generating unit 420 in this embodiment are respectively integrated on the opposite surfaces of the dual-sided display module 41 inside the dual-sided display screen 40, i.e. are embedded in the dual-sided display screen 40, compared with the second or third embodiment, the integration level is higher, and the structural reliability is better.
The above-mentioned dual-sided directional sound emitting device according to other embodiments besides embodiment 1 can be used as a display device, and the above-mentioned dual-sided display screen 40 can be implemented by, but not limited to, LCD, OLED, etc.
Above-mentioned all optional technical scheme can adopt arbitrary combination to form the utility model discloses an optional embodiment, can make up arbitrary a plurality of embodiments to obtain the demand of dealing with different application scenes, all in the protective scope of this application, no longer give unnecessary details here one by one.
It should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention, and should not be construed as limiting the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The double-sided directional sounding device is characterized by comprising a first substrate, a first directional sounding unit and a second directional sounding unit, wherein the first directional sounding unit and the second directional sounding unit are respectively arranged on two opposite sides of the first substrate;
the first directional sounding unit comprises a first conducting layer, a second conducting layer, a first vibration layer and a first insulating interlayer, the first conducting layer is arranged on one side face of a first substrate, the second conducting layer is arranged on one side, away from the first substrate, of the first conducting layer, the first vibration layer is attached to one side, away from the first substrate, of the second conducting layer, and the first insulating interlayer is arranged between the first conducting layer and the second conducting layer;
the directional sound production unit of second includes third conducting layer, fourth conducting layer, second vibration layer and the insulating space layer of second, the third conducting layer sets up on the another side of first base plate, the fourth conducting layer is located the third conducting layer is kept away from one side of first base plate, the subsides of second vibration layer are located the fourth conducting layer is kept away from one side of first base plate, the insulating space layer of second is located the third conducting layer with between the fourth conducting layer.
2. A two-sided directional sound generator as recited in claim 1,
the first insulating interlayer comprises a first insulating layer and a first spacing layer, the first insulating layer is arranged on the side face, away from the first substrate, of the first conducting layer, and the first spacing layer is arranged between the first insulating layer and the second conducting layer;
the second insulating spacer layer comprises a second insulating layer and a second spacer layer, the second insulating layer is arranged on the side face, away from the first substrate, of the third conducting layer, and the second spacer layer is arranged between the second insulating layer and the fourth conducting layer.
3. A two-sided directional sound generator as claimed in claim 2, wherein the first and second spacing layers are of a lattice or lattice structure.
4. The double-sided directional sounding device is characterized by comprising a double-sided display screen, a third directional sounding unit and a fourth directional sounding unit, wherein the third directional sounding unit and the fourth directional sounding unit are respectively attached to two opposite sides of the double-sided display screen;
the third directional sounding unit comprises a first conducting layer, a second conducting layer, a first vibration layer and a first insulating interlayer, the first conducting layer is arranged on one side face of the double-face display screen, the second conducting layer is arranged on one side face, close to the double-face display screen, of the first vibration layer, and the first insulating interlayer is arranged between the first conducting layer and the second conducting layer;
the fourth directional sound production unit comprises a third conducting layer, a fourth conducting layer, a second vibration layer and a second insulation spacing layer, the third conducting layer is arranged on the other side face of the double-face display screen, the fourth conducting layer is arranged on the side face of the double-face display screen, the second vibration layer is close to the side face of the double-face display screen, and the second insulation spacing layer is arranged between the third conducting layer and the fourth conducting layer.
5. The dual sided directional sound generator of claim 4, further comprising a second substrate and a third substrate;
the second substrate is arranged between the third directional sounding unit and the double-sided display screen;
the third substrate is arranged between the fourth directional sounding unit and the double-sided display screen.
6. The dual sided directional sound generator of claim 5, further comprising an adhesive layer disposed between the second substrate and the dual sided display screen, and wherein the adhesive layer is disposed between the third substrate and the dual sided display screen.
7. A two-sided directional sound generating device, characterized in that it comprises:
the double-sided display screen comprises a double-sided display module, a first polaroid and a second polaroid, wherein the first polaroid and the second polaroid are respectively arranged on two opposite sides of the double-sided display module;
the fifth directional sound production unit is arranged between the double-sided display module and the first polaroid and comprises a first conducting layer, a second conducting layer and a first insulating interlayer, the first conducting layer is arranged on one side surface of the double-sided display module, the second conducting layer is arranged on one side surface of the first polaroid close to the double-sided display module, and the first insulating interlayer is arranged between the first conducting layer and the second conducting layer;
sixth directional sound generating unit, sixth directional sound generating unit locates two-sided display module with between the second polaroid, sixth directional sound generating unit includes third conducting layer, fourth conducting layer and second insulation space layer, the third conducting layer sets up on two-sided display module's another side, the fourth conducting layer is located the second polaroid is close to on two-sided display module's a side, second insulation space layer locates the third conducting layer with between the fourth conducting layer.
8. The device of claim 7, wherein the second conductive layer is attached to the first polarizer and the fourth conductive layer is attached to the second polarizer.
9. A display device, characterized in that it comprises a double-sided directional sound emitting device according to any one of the preceding claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221989868.5U CN218603646U (en) | 2022-07-29 | 2022-07-29 | Two-sided directional sound production device and display device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221989868.5U CN218603646U (en) | 2022-07-29 | 2022-07-29 | Two-sided directional sound production device and display device |
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| CN218603646U true CN218603646U (en) | 2023-03-10 |
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| CN202221989868.5U Active CN218603646U (en) | 2022-07-29 | 2022-07-29 | Two-sided directional sound production device and display device |
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Inventor after: Wang Hongqin Inventor after: Mao Junwei Inventor after: Kuang Zheng Inventor after: Hu Yayun Inventor after: Sun Xiongfei Inventor before: Wang Hongqin Inventor before: Mao Junwei Inventor before: Kuang Zheng |