CN113411527B - Invisible sound channel structure of display device and display device - Google Patents
Invisible sound channel structure of display device and display device Download PDFInfo
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- CN113411527B CN113411527B CN202110674555.4A CN202110674555A CN113411527B CN 113411527 B CN113411527 B CN 113411527B CN 202110674555 A CN202110674555 A CN 202110674555A CN 113411527 B CN113411527 B CN 113411527B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/64—Constructional details of receivers, e.g. cabinets or dust covers
- H04N5/642—Disposition of sound reproducers
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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
- H04R5/00—Stereophonic arrangements
- H04R5/02—Spatial or constructional arrangements of loudspeakers
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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
- H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
- H04R2499/10—General applications
- H04R2499/15—Transducers incorporated in visual displaying devices, e.g. televisions, computer displays, laptops
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
The invention discloses a invisible sound channel structure of a display device and the display device, and the invisible sound channel structure of the display device comprises: a display screen; the frame component is arranged around the display screen and comprises a left sound cavity and a right sound cavity, wherein the left sound cavity and the right sound cavity are respectively arranged on the left side and the right side of the display screen; the first vibration assembly comprises a first vibration group, a second vibration group and a third vibration group which are respectively arranged at two sides of the first vibration group, and the first vibration group, the second vibration group and the third vibration group are respectively arranged in different display areas of the display screen at intervals; the second vibration assembly comprises a fourth vibration group arranged in the left sound cavity and a fifth vibration group arranged in the right sound cavity; the first vibration group, the second vibration group, the third vibration group, the fourth vibration group and the fifth vibration group respectively receive audio signals and vibrate for emitting sounds of different sound channels. The multi-channel sounding is realized through the design of the vibration component, so that the on-site effect is better.
Description
Technical Field
The invention relates to the technical field of televisions, in particular to a hidden sound channel structure of a display device and the display device.
Background
Television sets are indispensable electronic products in furniture articles, and along with the improvement of the living standard of people, the demands of people on television sets are increasing, including light weight, slim and beautiful, so light weight, screen sounding television sets are being derived.
In the prior art, screen sounding television mainly realizes screen sounding through a vibration principle, but the existing screen sounding mode generally adopts double-channel audio playing, and the sound field of the audio is limited so that better in-situ experience cannot be achieved.
Thus, the prior art is still to be lifted.
Disclosure of Invention
In order to solve the problem that in the prior art, a double-channel audio is adopted to play audio, and the sound field of the audio is limited so that better in-situ experience cannot be achieved, the invention provides an invisible channel structure of a display device and the display device, a traditional double-channel sounding structure is abandoned, and multi-channel sounding is realized by designing a vibration assembly, so that the in-situ effect is better.
The invention is realized by the following technical scheme:
in a first aspect, the present invention provides a hidden sound channel structure of a display device, including:
a display screen;
the frame component is arranged around the display screen and comprises a left sound cavity and a right sound cavity, wherein the left sound cavity and the right sound cavity are respectively arranged on the left side and the right side of the display screen;
the first vibration assembly comprises a first vibration group, a second vibration group and a third vibration group which are respectively arranged at two sides of the first vibration group, and the first vibration group, the second vibration group and the third vibration group are respectively arranged in different display areas of the display screen at intervals;
the second vibration assembly comprises a fourth vibration group arranged in the left sound cavity and a fifth vibration group arranged in the right sound cavity;
the first vibration group, the second vibration group, the third vibration group, the fourth vibration group, and the fifth vibration group respectively receive audio signals and vibrate for emitting sounds of different channels.
The first vibration assembly comprises a first vibration group, a second vibration group and a third vibration group which are respectively arranged in different display areas of the display screen, the different display areas of the display screen are driven to vibrate so as to realize screen vibration sounding, the left sound cavity and the right sound cavity are arranged, the fourth vibration group and the fifth vibration group in the second vibration assembly are respectively arranged in the left sound cavity and the right sound cavity so as to realize vibration sounding of the left sound cavity and the right sound cavity, the first vibration group, the second vibration group, the third vibration group, the fourth vibration group and the fifth vibration group respectively receive audio signals and vibrate so as to emit sounds of different sound channels, so that multi-channel sounding is realized, and meanwhile, the first vibration group, the second vibration group, the third vibration group, the fourth vibration group and the fifth vibration group are annularly arranged on three sides of the display screen so as to form a three-dimensional sounding environment, so that in-situ sounding is better.
In one embodiment of the present invention, the bezel assembly further includes a bass chamber disposed at the bottom of the display screen; and a bass assembly is arranged in the bass cavity and receives an audio signal.
Through setting up bass chamber and bass subassembly for send the bass, cooperate above-mentioned first vibration group, the second vibration group, the third vibration group, the fourth vibration group and the fifth vibration group respectively receive audio signal and vibrate and be used for sending the sound of different sound channels, can make up and send the sound of 5.1 sound channels, further make the in-situ pronunciation effect more excellent.
In one embodiment of the present invention, the display device further comprises a back plate, and the first vibration component is disposed between the back plate and the display screen.
And the backboard is arranged to protect the display screen.
In one embodiment of the invention, the display screen further comprises foam rubber, one end of the foam rubber is connected with the back plate, and the other end of the foam rubber is connected with the display screen.
The foam rubber is used for realizing connection and fixation between the display screen and the backboard.
In one embodiment of the present invention, the first vibration group includes a first vibration exciter, and the second vibration group and the third vibration group include a second vibration exciter, respectively, and a volume of the first vibration exciter is smaller than a volume of the second vibration exciter.
By setting the volume of the first vibration exciter to be smaller than the volume of the second vibration exciter, the vibration frequency of the first vibration exciter is made higher for emitting high-frequency sound.
In one embodiment of the present invention, the first vibration exciter is provided with at least two vibration exciters which are arranged at intervals side by side, the distance between the adjacent first vibration exciters is a first distance, the second vibration exciters in the same display area are provided with at least two vibration exciters which are arranged at intervals side by side, the distance between the adjacent second vibration exciters is a second distance, and the second distance is larger than the first distance.
The first distance is smaller than the second distance, so that the arrangement of the first exciters in the first vibration group is tighter than the arrangement of the second exciters, the vibration frequency of the first vibration group is further increased, the first vibration group is used for emitting high-frequency sound, and meanwhile, the first vibration exciters and the second vibration exciters are arranged side by side respectively, so that the arrangement of all vibration areas of the first vibration assembly is more regular, and unnecessary interference caused by vibration between adjacent first/second vibration exciters is avoided.
In one embodiment of the present invention, the first vibration exciter and the second vibration exciter have the same structure, and each of the first vibration exciter and the second vibration exciter includes a first electromagnetic portion and a first permanent magnetic portion, the electromagnetic portion is connected with the display screen, the permanent magnetic portion is connected with the back plate, and the electromagnetic portion is opposite to the permanent magnetic portion and is disposed at intervals.
Through setting up first electromagnetic portion with first permanent magnetism portion is relative and the interval sets up can with the back and forth variable force that first permanent magnetism portion repulses and attracts takes place for after the first electromagnetic portion circular telegram, causes first electromagnetic portion for first permanent magnetism portion back and forth movement and then causes the screen vibration sound production.
In one embodiment of the present invention, the fourth vibration group and the fifth vibration group have the same structure, and each of the fourth vibration group and the fifth vibration group includes a third vibration exciter disposed at intervals, and the third vibration exciter includes a second electromagnetic portion and a second permanent magnetic portion disposed opposite to each other at intervals.
In one embodiment of the invention, the inner wall of the bass chamber is provided with a flexible layer, the bass assembly comprises a fourth vibration exciter which is arranged on the flexible layer at intervals, and the fourth vibration exciter comprises a third electromagnetic part and a third permanent magnetic part which are opposite and arranged at intervals; and/or; the display screen is an OLED display screen.
Through setting up the flexible layer and set up on the flexible layer the fourth exciter, through the fourth exciter drives the vibration of bass chamber is sounded, because the bass intracavity is equipped with the flexible layer, just the fourth exciter is located on the flexible layer, can reduce the audio frequency of bass chamber vibration sounding is used for sending the bass.
In a second aspect, the present invention further provides a display device, including a hidden sound channel structure of the display device as described in any one of the above.
The invention has the beneficial effects that:
the first vibration assembly comprises a first vibration group, a second vibration group and a third vibration group which are respectively arranged in different display areas of the display screen, the different display areas of the display screen are driven to vibrate so as to realize screen vibration sounding, the left sound cavity and the right sound cavity are arranged, the fourth vibration group and the fifth vibration group in the second vibration assembly are respectively arranged in the left sound cavity and the right sound cavity so as to realize vibration sounding of the left sound cavity and the right sound cavity, the first vibration group, the second vibration group, the third vibration group, the fourth vibration group and the fifth vibration group respectively receive audio signals and vibrate so as to emit sounds of different sound channels, so that multi-channel sounding is realized, and meanwhile, the first vibration group, the second vibration group, the third vibration group, the fourth vibration group and the fifth vibration group are annularly arranged on three sides of the display screen so as to form a three-dimensional sounding environment, so that in-situ sounding is better.
Drawings
FIG. 1 is a schematic view of a display screen embodiment of a hidden sound channel structure of a display device according to the present invention;
fig. 2 is a schematic structural diagram of an embodiment of a hidden sound channel structure of a display device according to the present invention.
In the figure: 1. the display screen, 20, left sound cavity, 21, right sound cavity, 30, first vibration group, 300, first vibration exciter, 3000, first electromagnetic part, 3001, first permanent magnet part, 31, second vibration group, 32, third vibration group, 33, second vibration exciter, 41, fifth vibration group, 420, second electromagnetic part, 421, second permanent magnet part, 5, back plate.
Detailed Description
In order to make the objects, technical solutions and effects of the present invention clearer and more specific, the present invention will be described in further detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present invention, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.
The existing television is limited by the internal space, and the audio is played by adopting double channels, so that the sound field of the audio is limited in hardware. The power of the loudspeaker of the existing television cannot be increased at will due to the space influence. Therefore, the invention provides the invisible sound channel structure of the display device and the display device, which abandon the traditional double-channel sound production structure, realize multi-channel sound production by designing the vibration component, and ensure that the on-site effect is better.
See the following for specific embodiments:
referring to fig. 1 and 2, the present invention provides a hidden sound channel structure of a display device, including: a display screen 1; the frame component is arranged around the display screen 1 and comprises a left sound cavity 20 and a right sound cavity 21 which are respectively arranged on the left side and the right side of the display screen 1; the first vibration assembly 30 comprises a first vibration assembly 30, a second vibration assembly 31 and a third vibration assembly 32 which are respectively arranged at two sides of the first vibration assembly 30, wherein the first vibration assembly 30, the second vibration assembly 31 and the third vibration assembly 32 are respectively arranged in different display areas of the display screen 1 at intervals; a second vibration group 31, wherein the second vibration group 31 includes a fourth vibration group provided in the left sound chamber 20, and a fifth vibration group 41 provided in the right sound chamber 21; the first vibration group 30, the second vibration group 31, the third vibration group 32, the fourth vibration group, and the fifth vibration group 41 respectively receive audio signals and vibrate for emitting sounds of different channels.
The first vibration group 30 is arranged to respectively comprise a first vibration group 30, a second vibration group and a third vibration group 32 which are respectively arranged in different display areas of the display screen 1, the different display areas of the display screen 1 are driven to vibrate so as to realize screen vibration sounding, the left sound cavity 20 and the right sound cavity 21 are arranged, the fourth vibration group and the fifth vibration group 41 in the second vibration component are respectively arranged in the left sound cavity 20 and the right sound cavity 21 so as to realize vibration sounding of the left sound cavity 20 and the right sound cavity 21, and the first vibration group 30, the second vibration group 31, the third vibration group 32, the fourth vibration group and the fifth vibration group 41 respectively receive audio signals and vibrate so as to generate sounds of different sound channels, so that multi-channel sounding is realized, and meanwhile, the first vibration group 30, the second vibration group 31, the third vibration group 32, the fourth vibration group and the fifth vibration group 41 are annularly arranged in the display screen so as to form a three-dimensional sounding environment.
Specifically, in this embodiment, the display screen 1 is an OLED display screen, and in other embodiments of the present invention, the display screen 1 may be another type of display screen such as an LED display screen.
Specifically, the frame assembly may include a middle frame member, and a left sound cavity 20 and a right sound cavity 21 disposed on the middle frame member, where edges of the display screen are mounted in the middle frame member, and connection fixation may be specifically realized by dispensing with foam or viscose, in this embodiment, the frame assembly only includes the left sound cavity 20 and the right sound cavity 21, the left sound cavity 20 and the right sound cavity 21 are disposed at two ends of the same surface of the display screen 1, and the left sound cavity 20 and the right sound cavity 21 are respectively hollow bar cavities, in this embodiment, the left sound cavity 20 and the right sound cavity 21 are identical in structure and are respectively covered on the display screen 1 by an n-shaped structure, which is not specifically limited and may be set according to practical requirements.
Specifically, the first vibration group 30, the second vibration group 31, the third vibration group 32, the fourth vibration group and the fifth vibration group 41 may be other electric vibration components such as vibration exciters and vibration springs having the same or different structures, and the present invention is not limited thereto.
Specifically, the first vibration group 30, the second vibration group 31, the third vibration group 32, the fourth vibration group and the fifth vibration are respectively connected with a control element to implement number limiting connection, and specifically, the control element may be an independent controller or a control circuit board or a controller of a display device, and the present invention is not specifically limited.
Further, on the basis of the above embodiment, the display device further comprises a back plate 5, and the first vibration unit 30 is disposed between the back plate 5 and the display screen 1. The backboard 5 is used for protecting the display screen.
Specifically, the back plate 5 may be mounted on the middle frame member, in this embodiment, no middle frame member is disposed, the back plate 5 is mounted on the display screen 1, specifically may be mounted by glass cement, foam cement, and the like, in this embodiment, a stealth sound channel structure of the display device further includes foam cement, one end of the foam cement is connected with the back plate 5, and the other end of the foam cement is connected with the display screen 1. The foam rubber is used for realizing connection and fixation between the display screen 1 and the backboard 5.
Specifically, the foam rubber avoids the first vibration group 30, specifically can be adjusted according to actual requirements, and the thickness of the foam rubber (the distance between the back plate 5 and the display screen 1 is the thickness of the foam rubber) can support the vibration of the first vibration group 30.
Further, on the basis of the above embodiment, the first vibration group 30 includes a first vibration exciter 300, the second vibration group 31 and the third vibration group 32 include a second vibration exciter 33, respectively, and the first vibration exciter 300 has a smaller volume than the second vibration exciter 33. By setting the volume of the first vibration exciter 300 smaller than the volume of the second vibration exciter 33, the vibration frequency of the first vibration exciter 300 is made higher for emitting high-frequency sound.
Specifically, in this embodiment, the first vibration exciter 300 is disposed in a plurality of spaced-apart rows, the distance between adjacent first vibration exciters 300 is a first distance, the second vibration exciter 33 in the same display area is disposed in a plurality of spaced-apart rows, the distance between adjacent second vibration exciters 33 is a second distance, and the second distance is greater than the first distance. By setting the first distance smaller than the second distance, the arrangement of the first actuators in the first vibration group 30 is made tighter than the arrangement of the second actuators, the vibration frequency of the first vibration group 30 is further increased for emitting high-frequency sound, and meanwhile by setting the first vibration actuators 300 and the second vibration actuators 33 respectively arranged side by side, the arrangement of the vibration areas of the first vibration group 30 is made more regular, and unnecessary interference caused by vibration between adjacent first/second vibration actuators 33 is avoided. In other embodiments of the present invention, the first vibration exciter 300 and the second vibration exciter 33 may be disposed in a side-by-side relationship.
Specifically, the number of the first vibration exciters 300 and the second vibration exciters 33 may be configured according to actual allocation so as to obtain a desired sound effect.
Specifically, in this embodiment, the first vibration exciter 300 is arranged in a single row and is disposed in the middle of the display screen 1 to form a center channel, the second vibration exciter is also arranged in a single row and is disposed on the display screen 1 on two sides of the first vibration exciter, the vibration areas of the display screen 1 driven by the first vibration exciter and the second vibration exciter do not interfere with each other, the volume of the first vibration exciter is smaller than that of the second vibration exciter 33, and the first vibration exciter 300 is arranged more tightly, so that the vibration area of the screen driven by the first vibration exciter is smaller than that of the left and right channels disposed on two sides of the display screen, and the vibration frequency is higher, therefore, the center channel emphasizes high-frequency human voice, so as to realize high-frequency sound.
Specifically, in this embodiment, the second vibration exciters 33 have the same structure and the same arrangement, and the second vibration exciters 33 having a slightly larger volume than the central channel (the first vibration exciters 300) are used to drive a larger screen area so as to realize the sound reproduction of the middle-high frequency band, thereby forming the left-right channels.
Further, in the above embodiment, the first vibration exciter 300 and the second vibration exciter 33 have the same structure, and each include a first electromagnetic portion 3000 and a first permanent magnet portion 3001, the first electromagnetic portion 3000 is connected to the display screen, the first permanent magnet portion 3001 is connected to the back plate 5, and the first electromagnetic portion 3000 is opposite to the first permanent magnet portion 3001 and is disposed at a distance from the first permanent magnet portion. By arranging the first electromagnetic portion 3000 opposite to the first permanent magnetic portion 3001 and spaced apart from each other, the first electromagnetic portion 3000 can generate a back-and-forth force that repels and attracts the first permanent magnetic portion 3001 after being electrified, so that the first electromagnetic portion 3000 moves back-and-forth relative to the first permanent magnetic portion 3001, and vibration and sound are generated on the screen.
Specifically, the first electromagnetic portion 3000 includes an iron core and a coil that is disposed around the iron core, and when the iron core is energized, magnetism generated by the iron core is attracted to or repelled from the first permanent magnet portion 3001.
The fourth vibration group has the same structure as the fifth vibration group 41, and includes third vibration exciters disposed at intervals, each of the third vibration exciters includes a second electromagnetic portion 420 and a second permanent magnetic portion 421 which are disposed opposite to each other and at intervals.
Specifically, the second electromagnetic portion 420 includes an iron core and a coil that is disposed around the iron core, and when the iron core is energized, magnetism generated by the iron core is attracted to or repelled from the second permanent magnet.
Further, on the basis of the above embodiment, the frame assembly further includes a bass chamber disposed at the bottom of the display screen 1; and a bass assembly is arranged in the bass cavity and receives an audio signal.
By providing the bass chamber and bass assembly for emitting bass sound, the first vibration group 30, the second vibration group 31, the third vibration group 32, the fourth vibration group and the fifth vibration group 41 are respectively configured to receive audio signals and vibrate to emit sounds of different sound channels, and can be combined to emit sounds of 5.1 sound channels, so that the in-situ sound effect is further better.
Specifically, the bass component may be a woofer or a vibration exciter, and in other embodiments of the present invention, a bass cavity and the bass component may not be provided, and bass output may be achieved by independently externally connecting the woofer to the invisible sound channel structure of the display device, which may be specifically set according to actual requirements.
Further, in this embodiment, the inner wall of the bass chamber is provided with a flexible layer, the bass assembly includes a fourth vibration exciter disposed on the flexible layer at intervals, and the fourth vibration exciter includes a third electromagnetic portion and a third permanent magnetic portion which are disposed opposite to each other and at intervals. In this embodiment, the display screen 1 is an OLED display screen. Specifically, the flexible layer can also be made of soft and tough materials to meet the requirements of medium-low frequency sound, and an exciter is used for driving the frame to vibrate and sound. The final bass sound channel can be arranged externally, the best bass effect can be achieved by using a single loudspeaker to be arranged under a television, and the bass effect can be achieved by using a softer frame material at the bottom frame, such as a silver layer, a glue layer and the like. Through setting up the flexible layer and set up on the flexible layer the fourth vibration exciter, through the fourth vibration exciter drives the sound production of bass chamber vibration, because the bass intracavity is equipped with the flexible layer, just the fourth exciter is located on the flexible layer, can reduce the audio frequency of bass chamber vibration sound production is used for sending the bass.
Specifically, in the above embodiment, the left sound cavity 20, the right sound cavity 21, and the bass cavity are all provided with sound outlets.
Specifically, the number of the third vibration exciter and the fourth vibration exciter may be configured to be plural according to actual allocation, so as to obtain a desired sound effect.
Further, on the basis of the above embodiment, the present invention also provides a display device, including a hidden sound channel structure of the display device as described in any one of the above embodiments.
The invention provides an invisible sound channel structure of a display device and the display device, wherein a first vibration group 30 is arranged and comprises a first vibration group 30, a second vibration group and a third vibration group 32 which are respectively arranged in different display areas of a display screen 1, the different display areas of the display screen 1 are driven to vibrate to realize screen vibration sounding, a left sound cavity 20 and a right sound cavity 21 are arranged, a fourth vibration group and a fifth vibration group 41 in the second vibration group are respectively arranged in the left sound cavity 20 and the right sound cavity 21 to realize vibration sounding of the left sound cavity 20 and the right sound cavity 21, the first vibration group 30, the second vibration group 31, the third vibration group 32, the fourth vibration group and the fifth vibration group 41 respectively receive audio signals and vibrate to emit sounds of different sound channels, and meanwhile, the first vibration group 30, the second vibration group 31, the third vibration group 32, the fourth vibration group and the fifth vibration group 41 are respectively arranged to realize sound sounding of three-dimensional sound, so that the three-dimensional sound is formed by the first vibration group 30, the third vibration group 32, the fourth vibration group and the fifth vibration group are arranged, and the third vibration group are arranged to realize three-dimensional sound sounding.
It is to be understood that the invention is not limited in its application to the examples described above, but is capable of modification and variation in light of the above teachings by those skilled in the art, and that all such modifications and variations are intended to be included within the scope of the appended claims.
Claims (5)
1. A hidden sound channel structure of a display device, comprising:
a display screen;
the frame component is arranged around the display screen and comprises a left sound cavity and a right sound cavity, wherein the left sound cavity and the right sound cavity are respectively arranged on the left side and the right side of the display screen;
the first vibration assembly comprises a first vibration group, a second vibration group and a third vibration group which are respectively arranged at two sides of the first vibration group, and the first vibration group, the second vibration group and the third vibration group are respectively arranged in different display areas of the display screen at intervals;
the second vibration assembly comprises a fourth vibration group arranged in the left sound cavity and a fifth vibration group arranged in the right sound cavity;
the first vibration group, the second vibration group, the third vibration group, the fourth vibration group and the fifth vibration group respectively receive audio signals and vibrate for emitting sounds of different sound channels;
the frame component also comprises a bass cavity arranged at the bottom of the display screen; a bass component is arranged in the bass cavity and receives an audio signal;
the first vibration component is arranged between the backboard and the display screen; the first vibration group comprises a first vibration exciter, the second vibration group and the third vibration group respectively comprise a second vibration exciter, and the volume of the first vibration exciter is smaller than that of the second vibration exciter;
the display screen comprises a back plate, a back plate and a foam rubber, wherein the back plate is provided with a display screen;
the inner wall of the bass cavity is provided with a flexible layer, the bass assembly comprises fourth vibration exciters which are arranged on the flexible layer at intervals, and the fourth vibration exciters comprise a third electromagnetic part and a third permanent magnetic part which are opposite and are arranged at intervals; the display screen is an OLED display screen;
the first vibration group, the second vibration group, the third vibration group, the fourth vibration group and the fifth vibration group are annularly arranged on the left, rear and right sides of the display screen, respectively receive audio signals and vibrate.
2. The invisible sound channel structure according to claim 1, wherein the first vibration exciter is provided with at least two adjacent vibration exciters arranged at a distance from each other, the distance between adjacent first vibration exciters is a first distance, the second vibration exciter in the same display area is provided with at least two adjacent vibration exciters arranged at a distance from each other, the distance between adjacent second vibration exciters is a second distance, and the second distance is larger than the first distance.
3. The invisible sound channel structure of claim 1, wherein the first vibration exciter and the second vibration exciter have the same structure and each comprise a first electromagnetic portion and a first permanent magnet portion, the first electromagnetic portion is connected with the display screen, the first permanent magnet portion is connected with the back plate, and the first electromagnetic portion is opposite to the first permanent magnet portion and is arranged at intervals.
4. A invisible sound channel structure for a display device according to claim 1 or claim 3, wherein the fourth vibration group and the fifth vibration group are identical in structure and each comprise third vibration exciters arranged at intervals, and the third vibration exciters comprise second electromagnetic parts and second permanent magnetic parts which are opposite and arranged at intervals.
5. A display device comprising a hidden channel structure of a display device according to any of the claims 1-4.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110049415A (en) * | 2019-03-19 | 2019-07-23 | 华为技术有限公司 | Vibration-sound generating device and electronic equipment |
| CN110536219A (en) * | 2019-09-16 | 2019-12-03 | Oppo广东移动通信有限公司 | Driver, screen assembly and electronic equipment |
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| CN111543039A (en) * | 2018-04-04 | 2020-08-14 | 华为技术有限公司 | Screen sounding method and terminal device |
| CN110047392B (en) * | 2019-03-11 | 2021-02-02 | 武汉华星光电技术有限公司 | Display device |
| CN110211558A (en) * | 2019-05-27 | 2019-09-06 | 武汉华星光电技术有限公司 | Display device |
| CN110187538B (en) * | 2019-06-04 | 2022-02-22 | 武汉华星光电技术有限公司 | Display device |
| CN111565350B (en) * | 2020-05-18 | 2021-11-23 | 京东方科技集团股份有限公司 | Screen sound production unit and display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110049415A (en) * | 2019-03-19 | 2019-07-23 | 华为技术有限公司 | Vibration-sound generating device and electronic equipment |
| CN110536219A (en) * | 2019-09-16 | 2019-12-03 | Oppo广东移动通信有限公司 | Driver, screen assembly and electronic equipment |
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