CN111583784B - Display substrate and display device - Google Patents
Display substrate and display device Download PDFInfo
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- CN111583784B CN111583784B CN202010463906.2A CN202010463906A CN111583784B CN 111583784 B CN111583784 B CN 111583784B CN 202010463906 A CN202010463906 A CN 202010463906A CN 111583784 B CN111583784 B CN 111583784B
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
- H04R1/023—Screens for loudspeakers
Abstract
The invention provides a display substrate and a display device, belongs to the technical field of display, and can solve the problems that an existing display screen cannot be completely resonated with an electromagnetic exciter, and the acting force of the electromagnetic exciter is not uniform. The display substrate of the present invention includes: the substrate and be located a plurality of display device on the substrate still include: the device comprises a shell, a magnetic field generating module and a vibration module; the shell is used for supporting the substrate and the display device on the substrate; the magnetic field generating module is positioned in the shell and used for generating a magnetic field so as to enable the vibration module to generate vibration; the vibration module is arranged opposite to the magnetic field generation module and is used for vibrating under the action of the magnetic field generated by the magnetic field generation module and driving the substrate and the display device on the substrate to vibrate so as to generate sound.
Description
Technical Field
The invention belongs to the technical field of display, and particularly relates to a display substrate and a display device.
Background
The loudspeaker is an important component in electronic products, and can convert an electric signal into an acoustic signal. With the trend of electronic products towards full-screen and light and thin, the space reserved for the loudspeaker is smaller and smaller. At present, the existing speaker structure can be replaced by a screen sounding mode, an electromagnetic exciter is generally adhered to the back of a display screen by using an adhesive, and the screen is made to resonate and sound by using the vibration generated by the electromagnetic exciter.
The inventor finds that at least the following problems exist in the prior art: due to the damping effect of the adhesive, the display screen cannot be completely resonated with the electromagnetic exciter, and meanwhile, the existing electromagnetic exciter has the problem of uneven acting force, so that the sound effect is poor easily, and the use experience of a user is influenced.
Disclosure of Invention
The present invention is directed to at least one of the problems of the prior art, and provides a display substrate and a display device.
The technical scheme adopted for solving the technical problem of the invention is a display substrate, which comprises: the substrate and be located a plurality of display device on the substrate still include: the device comprises a shell, a magnetic field generating module and a vibration module;
the shell is used for supporting the substrate and the display device on the substrate;
the magnetic field generating module is positioned in the shell and used for generating a magnetic field so as to enable the vibration module to generate vibration;
the vibration module is arranged opposite to the magnetic field generation module and is used for vibrating under the action of a magnetic field generated by the magnetic field generation module and driving the substrate and the display device on the substrate to vibrate so as to generate sound.
Optionally, the magnetic field generation module comprises: a first coil; the first coil is positioned in the shell and is at a certain distance from the substrate;
the vibration module includes: a second coil; the second coil and the display device are arranged on the same layer, and are arranged at positions between at least part of adjacent display devices;
the first coil and the second coil are at least partially arranged in a right-facing mode.
Optionally, the display substrate further comprises: a printed circuit board;
the printed circuit board is positioned in the shell and is electrically connected with the plurality of display devices; the first coil is located on the printed circuit board.
Optionally, the display substrate further comprises: the audio device comprises a direct current power supply module and a first audio signal module;
the input end and the output end of the direct current power supply module are respectively connected with two ends of the first coil through first outgoing lines;
the input end and the output end of the first audio signal module are respectively connected with two ends of the second coil through second outgoing lines;
the first outgoing line, the second outgoing line and the driving line of the display device are arranged in the same wiring layer.
Optionally, the magnetic field generating unit includes: a plurality of magnets; the magnets are positioned in the shell and are spaced from the substrate; the magnet is arranged opposite to the display device; the magnets are magnetized along the direction vertical to the substrate, and the magnetization directions of the magnets in adjacent columns are opposite;
the vibration unit includes: a third coil; the third coil and the display devices are arranged on the same layer, and are arranged between every two adjacent columns of the display devices.
Optionally, the vibration unit includes: a fourth coil; the fourth coil is located on one side of the substrate far away from the display device and is arranged between every two adjacent rows of the magnets.
Optionally, the vibration unit includes: a fifth coil and a sixth coil; the fifth coil and the display devices are arranged on the same layer, and are arranged between every two adjacent rows of the display devices; the sixth coil is positioned on one side of the substrate, which is far away from the display device, and is arranged between every two adjacent rows of the magnets;
the fifth coil and the sixth coil are arranged just opposite to each other, and one end of the fifth coil and one end of the sixth coil are in short circuit.
Optionally, the third coil comprises: a plurality of third sub-coils;
one end of the plurality of sub-coils is short-circuited.
Optionally, the display substrate further comprises: a second audio signal module;
the input end and the output end of the second audio signal module are respectively connected with two ends of the third coil through a third outgoing line;
the third outgoing line and the driving line of the display device are arranged in the same wiring layer.
The technical scheme adopted for solving the technical problem of the invention is a display device which comprises the display substrate.
Drawings
Fig. 1 is a schematic structural diagram of a display substrate according to an embodiment of the present invention;
fig. 2a is a schematic structural diagram of a magnetic field generating module in a display substrate according to an embodiment of the present invention;
fig. 2b is a schematic structural diagram of a vibration module in a display substrate according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of another display substrate according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a vibration module in another display substrate according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of another display substrate according to an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of another display substrate according to an embodiment of the present invention;
FIG. 7 is a schematic structural diagram of a vibration module in a display substrate according to another embodiment of the present invention;
fig. 8a to 8f are schematic structural diagrams corresponding to respective steps in a method for manufacturing a display substrate according to an embodiment of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Example one
Fig. 1 is a schematic structural diagram of a display substrate according to an embodiment of the present invention, as shown in fig. 1, the display substrate includes: the display device includes a substrate 101 and a plurality of display devices 102 disposed on the substrate, and further includes: a housing 103, a magnetic field generation module 104, and a vibration module 105; the housing 103 is used for supporting the substrate 101 and the display device 102 on the substrate 101; the magnetic field generating module 104 is positioned in the housing 103 and used for generating a magnetic field so as to enable the vibration module 105 to generate vibration; the vibration module 105 is disposed opposite to the magnetic field generating module 104, and configured to vibrate under the action of the magnetic field generated by the magnetic field generating module 104, and drive the substrate 101 and the display device 102 on the substrate 101 to vibrate to generate sound.
In the display substrate provided by the embodiment of the invention, the housing 103 can support the substrate 101 and the display device 102 positioned on the substrate 101, the magnetic field generating module 104 is positioned in the housing 103, a space between the housing 103 and the substrate 101 can form a sound cavity to provide a vibration space for the substrate 101, and a distance between the housing 103 and the substrate 101 can be set according to actual needs to obtain a better sound effect. The vibration module 105 may generate vibration under the action of the magnetic field generated by the magnetic field generating unit 104, wherein the frequency of the vibration is related to the frequency of the input audio signal. When the audio signal is input, the vibration module 105 forms a current loop, and the magnitude and direction of the current can be changed continuously because the audio signal is an alternating current signal (
Representing the direction of current flow in, representing the direction of current flow out) of the magnetic field, the force it receives in the magnetic field also varies constantly, and thus the shapeAnd vibrates the substrate 101 and the display device 102 to generate sound. Therefore, the display substrate provided by the invention not only can display, but also can generate sound, so that the integration of a display function and a sound production function can be realized. Meanwhile, the magnetic field generating module 104 and the vibration module 105 are respectively and independently arranged, the vibration module 105 can be directly formed on the substrate 101 by adopting a composition process, and an electromagnetic exciter is not needed to generate vibration, so that the problem that the display screen can completely resonate with the electromagnetic exciter due to the damping effect of the adhesive can be solved. Furthermore, the range of the magnetic field generated by the magnetic field generating module 104 can be adjusted to make the generated magnetic field effectively cover the whole substrate 101 as much as possible, so that the whole substrate 101 is in a uniform magnetic field, thereby avoiding the problem that the substrate 101 is not uniform in acting force and improving the sound effect.
In some embodiments, as shown in fig. 2a, the magnetic field generation module 104 includes: a first coil 1041; the first coil 1041 is located in the housing 103 and has a certain distance with the substrate 101. As shown in fig. 2b, the vibration module 105 includes: a second coil 1051; the second coil 1051 is disposed on the same layer as the display devices 102, and is disposed at a position between at least some of the adjacent display devices 102; the first coil 1041 and the second coil 1051 are at least partially arranged opposite to each other.
It should be noted that the magnetic field generating module 104 may be formed by a first coil 1041, and the first coil 1041 is spirally arranged to extend the length of a wire in the first coil 1041, so as to ensure that a strong magnetic field is formed when a power supply with a certain current is connected (the arrow direction in the figure is a current direction), thereby saving energy consumption. It is understood that the first coil 1031 may be arranged in other shapes as long as it is ensured that the first coil 1031 can form a loop to generate a strong magnetic field. The first coil 1041 is spaced apart from the substrate 101 to form a sound cavity with a certain space, so as to improve sound effect. The second coil 1051 is disposed in the film layer where the display device 102 is located, so that the sound generated by the vibration of the second coil 1051 may not be blocked by the display device 102, thereby improving the sound effect. And the two layers are arranged in the same layer, so that the thickness of the film layer can be reduced, and the light and thin of the product is facilitated. First coil 1041 and second coil 1051 are at least partly just to setting up, first coil 1041 and second coil 1051 can switch on the electric current respectively, the electric field that the two produced can interact, because the size and the direction of the electric current that second coil 1051 inserts can constantly change, the size and the direction of the magnetic field of formation also constantly change, the effort between second coil 1041 and the second coil 1051 also constantly changes, from producing the vibration and drive base 101 and display device 102 vibration, in order to produce the sound. Furthermore, the first coil 1041 and the second coil 1051 are both arranged in a planar manner, so that the occupied space can be saved, and the product is light and thin. Preferably, the first coil 1041 and the second coil 1051 are equal in size and are arranged opposite to each other, so as to ensure the strongest effect between the magnetic fields generated by the two coils.
In some embodiments, the display substrate further comprises: a printed circuit board (not shown in the drawings); the printed circuit board is positioned in the shell 103 and is electrically connected with the plurality of display devices 102; the first coil 1041 is located on the printed circuit board.
It should be noted that, in the display substrate in the prior art, a printed circuit board is disposed, and the printed circuit board is generally bent to the back of the substrate 101, so as to provide a driving signal for the display device 102 through the printed circuit board to implement a display function. The printed circuit board can be prepared by using the process in the prior art, a certain space is reserved to form the first coil 1041, and a bearing plane does not need to be specially arranged for the first coil 1041, so that the preparation cost can be saved.
In some embodiments, the display substrate further comprises: a direct current power supply module (not shown) and a first audio signal module (not shown); the input end and the output end of the dc power supply module are respectively connected to two ends of the first coil 1041 through a first outgoing line (not shown in the figure); the input end and the output end of the first audio signal module are respectively connected with two ends of the second coil 1051 through a second outgoing line (not shown in the figure); the first outlet, the second outlet, and a driving line (not shown) of the display device 102 are disposed in the same wiring layer.
It should be noted that the dc power module may provide stable dc power for the first coil 1041, so that the first coil 1041 generates a stable magnetic field. The first audio signal module may provide the second coil 1051 with a varying alternating current such that the second coil 1051 generates a varying magnetic field. The two magnetic fields thus generated may attract and repel each other, thereby causing the first coil 1041 to vibrate to generate sound. In the embodiment of the invention, the first outgoing line and the second outgoing line can be arranged in the same wiring layer with the driving line of the display device 102, and the outgoing lines of all coils do not need to be separately provided with the wiring layer, so that the thickness of a film layer can be reduced, the lightening and thinning of a product are facilitated, and the preparation cost can be saved.
In some embodiments, as shown in fig. 3, the magnetic field generating unit 104 includes: a plurality of magnets 1042; the magnets are positioned in the shell 103 and have a certain distance with the substrate 101; the magnet 1042 is arranged opposite to the display device 102; the magnets 1042 are magnetized in a direction perpendicular to the substrate 101, and the magnetization of the magnets 1042 of adjacent columns is reversed; the vibration unit 105 includes: a third coil 1052; the third coil 1052 is disposed at the same layer as the display devices 102 and at a position between every two adjacent columns of the display devices 102.
It should be noted that the magnets 1042 are disposed opposite to the display device 102, and the magnetization directions of the magnets 1042 in adjacent rows are opposite, so that a stronger magnetic field can be formed between the magnets in adjacent rows. The third coil 1052 is disposed between every two adjacent columns of the display devices 102, so that the third coil 1052 is completely in the magnetic field formed by the magnets 1042 of the two adjacent columns. The third coil 1052 is disposed at a layer with the display device 102 so that sound generated by vibration of the third coil 1052 may not be blocked by the display device 102, and thus a sound effect may be enhanced. When the third coil 1052 is supplied with alternating current, the current in the third coil 1052 is constantly changed, so that the force applied to the third coil 1052 is also constantly changed, thereby generating vibration to generate sound. The plurality of magnets 1042 may be aligned with all of the display devices such that the entire substrate 101 and the entire third coil 1052 are completely within the magnetic field generated by the adjacent columns of magnets 1052, thereby avoiding the problem of non-uniform force. It should be further noted that, in order to form a stronger magnetic field between the magnets 1042 in adjacent columns, in the embodiment of the present invention, the magnetization directions of the magnets 1042 in adjacent columns are opposite, and the directions of the magnetic fields formed on two sides of the magnet 1042 in the same column are also opposite, so that if the directions of the forces received by the same coil are the same, it is necessary to set the currents in the adjacent wires in the same coil in opposite directions. Therefore, as shown in fig. 4, in the embodiment of the present invention, the third coil 1052 is provided with a bending type to ensure that the currents of the adjacent wires in the third coil 1052 are opposite (the direction of the arrow in the figure is the current direction), thereby ensuring that the directions of the forces received by the entire third coil 1052 are the same. It will be understood that the coils referred to hereinafter may also be arranged in the same way, the principle of implementation being the same and will not be repeated.
In some embodiments, as shown in fig. 5, the vibration unit 105 includes: a fourth coil 1053; the fourth coil 1053 is disposed on the side of the substrate 101 away from the display device 102 and between every two adjacent rows of the magnets 1042.
It should be noted that the fourth coil 1053 is located on the side of the substrate 101 away from the display device 102, which can avoid affecting the manufacturing of the display device 102, thereby improving the yield. Meanwhile, the position of the fourth coil 1053 is closer to the magnet 1042, which can improve the electromagnetic driving efficiency.
In some embodiments, as shown in fig. 6, the vibration unit 105 includes: a fifth coil 1054 and a sixth coil 1055; the fifth coil 1054 is disposed on the same layer as the display devices 102, and is disposed between every two adjacent columns of the display devices 102; the sixth coil 1055 is located on the side of the substrate 101 away from the display device 102 and is disposed between every two adjacent rows of the magnets 1042; a fifth coil 1054 and a sixth coil 1055, and one ends of the fifth coil 1054 and the sixth coil 1055 are short-circuited.
It should be noted that the fifth coil 1054 and the sixth coil 1055 are respectively disposed on two sides of the substrate 101, and the two are opposite to each other, and one end of the two is short-connected together, so that the same audio signal can be input, and under the action of the magnetic field, the fifth coil 1054 and the sixth coil 1055 on the upper and lower surfaces receive the acting force in the same direction, and drive the substrate 101 to vibrate together, so as to enhance the acting force received by the substrate 101, and further improve the sound effect. The fifth coil 1054 and the sixth coil 1055 on both sides of the substrate 101 may be shorted together through a via hole at a position where an audio signal is input, to commonly access the same audio signal terminal.
In some embodiments, as shown in fig. 7, third coil 1052 includes: a plurality of third sub-coils; one end of each sub-coil is short-circuited.
It should be noted that the shape of the third coil 1052 can be divided into several independent third sub-coils, and one end of all the third sub-coils are shorted together, so as to ensure that all the third sub-coils access the same audio signal. Each third sub-coil may contain many layers, but the current direction of all layers in the same column should be the same to ensure that the force direction of each layer is the same. It is understood that the fourth coil 1053, the fifth coil 1054 and the sixth coil 1055 in the embodiment of the present invention can be arranged in the same manner as the third coil 1052 to enhance the acting force applied to the substrate 101, and the implementation principle is similar and will not be described herein again.
In some embodiments, the display substrate further comprises: a second audio signal module (not shown); the input end and the output end of the second audio signal module are respectively connected with two ends of the third coil 1052 through a third outgoing line (not shown in the figure); the third pinout is disposed in the same wiring layer as the driving lines (not shown in the figure) of the display device 102.
The second audio signal module may provide a varying alternating current to the third coil 1052 such that the third coil 1052 draws a varying current. Thus, due to the electromagnetic induction principle, the magnetic fields generated by the magnets 1042 in two adjacent rows can generate attractive and repulsive forces on the third coil 1052, so that the third coil 1052 vibrates to generate sound. It is understood that the second audio signal module may also connect the fourth coil 1053, the fifth coil 1054 and the sixth coil 1055 in the embodiment of the present invention in the same manner, and the implementation principle is similar, and therefore, the description thereof is omitted. In the embodiment of the present invention, the third outgoing line and the driving line of the display device 102 may be disposed in the same wiring layer, and it is not necessary to separately dispose a wiring layer for the outgoing line of each coil, so that the thickness of the film layer may be reduced, which is beneficial to the light and thin of the product, and the manufacturing cost may be saved.
The following describes in detail a method for manufacturing a display substrate according to an embodiment of the present invention with reference to the accompanying drawings.
As shown in fig. 8a, a metal layer may be deposited on the glass substrate, and the metal layer may form a coil structure for vibration. As shown in fig. 8b, a photoresist layer is coated on the metal layer, and the photoresist layer is exposed, developed and etched to form a pre-designed coil structure, and the excess photoresist is removed. As shown in fig. 8c, a flexible substrate is formed on the coil structure using a spin coating process. As shown in fig. 8d, a wiring layer of the display device is formed on the flexible substrate, and the display device is transferred onto the glass substrate. Here, the lead-out wire of the coil structure may also be fabricated in the wiring layer of the display device, thereby reducing the fabrication process and reducing the film thickness. As shown in fig. 8e, a mask is formed on the side of the glass substrate away from the display device, and a shell for supporting is formed by etching. Then, other devices such as magnets are manufactured. It can be understood that, by the above-mentioned preparation method, the display device and the coil structure may be disposed in the same film layer, or the display device and the coil structure may be disposed in different film layers, and the coil structure may be fabricated in a predetermined film layer according to actual requirements.
According to the preparation method of the display substrate, the coil structure is formed on the glass substrate by utilizing the composition process, so that the coil structure is planar and is tightly attached to the substrate, the coil is not required to be adhered by adopting an adhesive, and the phenomenon that the coil structure and the substrate cannot be completely resonated can be avoided. Meanwhile, the thickness of the film layer can be reduced, so that the display substrate is light and thin, and the use experience of a user is improved.
Example two
Based on the same inventive concept, an embodiment of the present invention provides a display device, including the display substrate provided in the above embodiment, where the display device may specifically be a terminal device such as a mobile phone, a tablet computer, or an intelligent watch, and an implementation principle of the display device is similar to that of the display substrate provided in the above embodiment, and is not described herein again.
The display substrate in the display device provided by the embodiment of the invention not only can display, but also can generate sound, so that the integration of a display function and a sound generating function can be realized. Meanwhile, the magnetic field generation module and the vibration module are respectively and independently arranged, the vibration module can be directly formed on the substrate by adopting a composition process, and an electromagnetic exciter is not needed to generate vibration, so that the problem that the display screen cannot completely resonate with the electromagnetic exciter due to the damping effect of the adhesive can be solved. The range of the magnetic field generated by the magnetic field generating module can be adjusted, so that the generated magnetic field can effectively cover the whole substrate as far as possible, the whole substrate is positioned in a uniform magnetic field, the problem of non-uniformity of acting force can be avoided, and the sound effect can be improved.
It will be understood that the above embodiments are merely exemplary embodiments taken to illustrate the principles of the present invention, which is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (10)
1. A display substrate, comprising: the substrate and be located a plurality of display device on the substrate, its characterized in that still includes: the device comprises a shell, a magnetic field generating module and a vibration module;
the shell is used for supporting the substrate and the display device on the substrate;
the magnetic field generating module is positioned in the shell and used for generating a magnetic field so as to enable the vibration module to generate vibration;
the vibration module is arranged opposite to the magnetic field generation module, is arranged at a position between at least part of adjacent display devices, and is used for vibrating under the action of the magnetic field generated by the magnetic field generation module and driving the substrate and the display devices on the substrate to vibrate so as to generate sound.
2. The display substrate of claim 1, wherein the magnetic field generating module comprises: a first coil; the first coil is positioned in the shell and is at a certain distance from the substrate;
the vibration module includes: a second coil; the second coil and the display device are arranged on the same layer, and are arranged at positions between at least part of adjacent display devices;
the first coil and the second coil are at least partially arranged in a right-facing mode.
3. The display substrate of claim 2, further comprising: a printed circuit board;
the printed circuit board is positioned in the shell and is electrically connected with the plurality of display devices; the first coil is located on the printed circuit board.
4. The display substrate of claim 2, further comprising: the audio device comprises a direct current power supply module and a first audio signal module;
the input end and the output end of the direct current power supply module are respectively connected with two ends of the first coil through first outgoing lines;
the input end and the output end of the first audio signal module are respectively connected with two ends of the second coil through second outgoing lines;
the first outgoing line, the second outgoing line and the driving line of the display device are arranged in the same wiring layer.
5. The display substrate of claim 1, wherein the magnetic field generating module comprises: a plurality of magnets; the magnets are positioned in the shell and are spaced from the substrate; the magnet is arranged opposite to the display device; the magnets are magnetized along the direction vertical to the substrate, and the magnetization directions of the magnets in adjacent columns are opposite;
the vibration module includes: a third coil; the third coil and the display devices are arranged on the same layer, and are arranged between every two adjacent columns of the display devices.
6. The display substrate of claim 5, wherein the vibration module comprises: a fourth coil; the fourth coil is located on one side of the substrate far away from the display device and is arranged between every two adjacent rows of the magnets.
7. The display substrate of claim 5, wherein the vibration module comprises: a fifth coil and a sixth coil; the fifth coil and the display devices are arranged on the same layer, and are arranged between every two adjacent rows of the display devices; the sixth coil is positioned on one side of the substrate, which is far away from the display device, and is arranged between every two adjacent rows of the magnets;
the fifth coil and the sixth coil are arranged just opposite to each other, and one end of the fifth coil and one end of the sixth coil are in short circuit.
8. The display substrate according to claim 5, wherein the third coil comprises: a plurality of third sub-coils;
one end of the plurality of sub-coils is short-circuited.
9. The display substrate of claim 5, further comprising: a second audio signal module;
the input end and the output end of the second audio signal module are respectively connected with two ends of the third coil through a third outgoing line;
the third outgoing line and the driving line of the display device are arranged in the same wiring layer.
10. A display device comprising the display substrate according to any one of claims 1 to 9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010463906.2A CN111583784B (en) | 2020-05-27 | 2020-05-27 | Display substrate and display device |
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| CN202010463906.2A CN111583784B (en) | 2020-05-27 | 2020-05-27 | Display substrate and display device |
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| CN111583784B true CN111583784B (en) | 2022-04-22 |
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| CN112665837A (en) * | 2020-12-03 | 2021-04-16 | 江阴众和电力仪表有限公司 | Multi-channel vibration monitoring and protecting instrument for rotary machinery |
| CN112601166A (en) * | 2020-12-14 | 2021-04-02 | 维沃移动通信有限公司 | Screen, electronic equipment and screen preparation method |
| TWI806009B (en) * | 2021-03-03 | 2023-06-21 | 緯創資通股份有限公司 | Speaker device |
| TWI794940B (en) * | 2021-08-20 | 2023-03-01 | 玻音先創科技股份有限公司 | Active sounding device integrated into flat panel display |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP1538870A1 (en) * | 2003-11-26 | 2005-06-08 | Tai-Yan Kam | Piston-type panel-form loudspeaker |
| KR101074421B1 (en) * | 2011-09-19 | 2011-10-17 | 범진아이엔디(주) | Slim type speaker |
| JP4981186B1 (en) * | 2011-09-30 | 2012-07-18 | 義和 江口 | Speaker, manufacturing method thereof and driving unit thereof |
| CN106101948A (en) * | 2016-07-01 | 2016-11-09 | 沈炜 | Multi-media display |
| KR102284718B1 (en) * | 2017-05-31 | 2021-07-30 | 엘지디스플레이 주식회사 | Display apparatus |
| KR102080213B1 (en) * | 2018-11-02 | 2020-04-13 | 엘지디스플레이 주식회사 | Display apparatus |
| CN110381425A (en) * | 2019-07-01 | 2019-10-25 | 联想(北京)有限公司 | A kind of electronic equipment |
| CN110366077B (en) * | 2019-07-19 | 2021-01-26 | Oppo广东移动通信有限公司 | Screen internal sounding structure and display panel |
| CN110536219B (en) * | 2019-09-16 | 2021-03-12 | Oppo广东移动通信有限公司 | Exciter, screen assembly and electronic equipment |
| CN210041904U (en) * | 2019-09-17 | 2020-02-07 | 维沃移动通信有限公司 | Screen exciter and mobile terminal |
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