CN210579216U - Display device - Google Patents
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- CN210579216U CN210579216U CN201921993575.2U CN201921993575U CN210579216U CN 210579216 U CN210579216 U CN 210579216U CN 201921993575 U CN201921993575 U CN 201921993575U CN 210579216 U CN210579216 U CN 210579216U
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Abstract
The embodiment of the utility model discloses display device. The display device includes: the display panel and the back cover are oppositely arranged, and the first screen body sounding exciter and the second screen body sounding exciter are arranged between the display panel and the back cover; the first screen body sounding exciter is used for driving the display panel to vibrate to realize sounding, and the second screen body sounding exciter is used for driving the rear cover to vibrate to realize sounding; the first screen body sounding exciter and the second screen body sounding exciter both comprise a coil and a magnet; the first screen body sounding exciter and the second screen body sounding exciter share the same coil or the first screen body sounding exciter and the second screen body sounding exciter share the same magnet. The utility model discloses the scheme need not to set up out the sound hole when guaranteeing display device's speaker and the function of receiver, is favorable to realizing display device appearance design's diversification.
Description
Technical Field
The embodiment of the utility model provides a relate to the display technology, especially relate to a display device.
Background
With the development of display technology, people have higher and higher requirements on the appearance, performance and the like of display products, and how to provide a larger design space for the appearance design of the display products while ensuring the performance of the display products becomes a problem to be solved in the industry.
SUMMERY OF THE UTILITY MODEL
The utility model provides a display device need not to set up out the sound hole when guaranteeing display device's speaker and receiver function, is favorable to realizing display device appearance design's diversification.
An embodiment of the utility model provides a display device, include:
the display panel and the back cover are oppositely arranged, and the first screen body sounding exciter and the second screen body sounding exciter are arranged between the display panel and the back cover;
the first screen body sounding exciter is used for driving the display panel to vibrate to realize sounding, and the second screen body sounding exciter is used for driving the rear cover to vibrate to realize sounding;
the first screen body sounding exciter and the second screen body sounding exciter both comprise a coil and a magnet; the first screen body sounding exciter and the second screen body sounding exciter share the same coil or the first screen body sounding exciter and the second screen body sounding exciter share the same magnet.
Optionally, the first screen body sound-emitting actuator comprises a first magnet, the second screen body sound-emitting actuator comprises a second magnet, the first magnet is fixed to one side of the display panel adjacent to the rear cover, and the second magnet is fixed to one side of the rear cover adjacent to the display panel;
the display device further comprises a coil position adjusting mechanism; the coil position adjusting mechanism is used for adjusting the position of the common coil based on the sound production mode of the display device, so that the common coil corresponds to the first magnet or the second magnet.
Optionally, the display device further includes: the first magnet is fixed on the display panel through the first elastic piece, and the second magnet is fixed on the rear cover through the second elastic piece;
or, the display device further comprises a third elastic member, and the common coil is fixed to the coil position adjusting mechanism through the third elastic member.
Optionally, the display device further includes:
the middle frame is arranged between the display panel and the rear cover;
the coil position adjusting mechanism is fixed to the middle frame.
Optionally, the coil position adjusting mechanism includes a first slide rail, a first driver and a first slider, the common coil is fixed to the first slider, and the first driver is configured to drive the first slider to move along the first slide rail.
Optionally, the first screen body sound-generating exciter comprises a first coil, the second screen body sound-generating exciter comprises a second coil, the first coil is fixed to one side of the display panel adjacent to the rear cover, and the second coil is fixed to one side of the rear cover adjacent to the display panel;
the display device also comprises a magnet position adjusting mechanism; the magnet position adjusting mechanism is used for adjusting the position of the common magnet based on the sound production mode of the display device, so that the common magnet corresponds to the first coil or the second coil.
Optionally, the display device further includes: the first coil is fixed on the display panel through the fourth elastic piece, and the second coil is fixed on the rear cover through the fifth elastic piece;
alternatively, the display device further includes: and the shared magnet is fixed on the magnet position adjusting mechanism through the sixth elastic piece.
Optionally, the display device further includes:
the middle frame is arranged between the display panel and the rear cover;
the magnet position adjusting mechanism is fixed on the middle frame.
Optionally, the magnet position adjusting mechanism includes a second slide rail, a second driver and a second slider, the common magnet is fixed to the second slider, and the second driver is configured to drive the second slider to move along the second slide rail.
Optionally, the vertical projection of the first screen volume acoustic actuator on the rear cover at least partially overlaps the vertical projection of the second screen volume acoustic actuator on the rear cover.
The embodiment of the utility model provides a through the function that first screen body phonation encourages the ware to realize the receiver through the vibration display panel sound production, second screen body phonation encourages the ware to realize the function of speaker through lid sound production after the vibration, need not to set up the play sound hole of receiver and speaker respectively in display device, is favorable to realizing the full-face screen, and is favorable to realizing display device appearance design's diversification. In addition, in the embodiment, the first screen body sounding exciter and the second screen body sounding exciter share the same magnet or the same coil, so that the first screen body sounding exciter and the second screen body sounding exciter have fewer parts, occupy smaller overall space, and are beneficial to realizing the lightness and thinness of the display device.
Drawings
Fig. 1 is a schematic diagram of a display device according to an embodiment of the present invention;
fig. 2 is a schematic diagram of another display device provided in an embodiment of the present invention;
fig. 3 is a schematic diagram of another display device according to an embodiment of the present invention
Fig. 4 is a schematic diagram of another display device according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
The existing display device is usually provided with a receiver and a speaker, and the display device usually comprises the receiver and the speaker, and the receiver is a sound production device for normally receiving a call or voice and the like. The loudspeaker is a sound production device which adopts a hands-free mode to answer a call or play music or videos and the like. Sound output holes corresponding to the loudspeaker and the receiver are respectively arranged on the shell of the display device, so that the appearance design of the display device is limited.
In view of the above problem, the present embodiment provides a display device including:
the display panel and the back cover are oppositely arranged, and the first screen body sounding exciter and the second screen body sounding exciter are arranged between the display panel and the back cover;
the first screen body sounding exciter is used for driving the display panel to vibrate to realize sounding, and the second screen body sounding exciter is used for driving the rear cover to vibrate to realize sounding;
the first screen body sounding exciter and the second screen body sounding exciter comprise a coil and a magnet; the first screen body sounding exciter and the second screen body sounding exciter share the same coil or the first screen body sounding exciter and the second screen body sounding exciter share the same magnet.
Specifically, the volume of sound that can be played by a general speaker is greater than the volume that can be played by a receiver. The embodiment can set the first screen body sound production exciter to vibrate the display panel to produce sound to realize the function of the telephone receiver, and the second screen body sound production exciter to vibrate the rear cover to produce sound to realize the function of the loudspeaker.
When the first screen body sounding exciter or the second screen body sounding exciter works, a magnetic field is generated by introducing current with certain frequency to the coil, and the magnet and the coil generate relative motion under the action of the magnetic field, so that the magnet can be fixed to enable the coil to vibrate the display panel or the rear cover to sound, and the coil can be fixed to enable the magnet to vibrate the display panel or the rear cover to sound.
When the first screen body sounding exciter and the second screen body sounding exciter share the same coil, the first screen body sounding exciter controls the coil to move to a position corresponding to a magnet of the first screen body sounding exciter when working, and the second screen body sounding exciter controls the coil to move to a position corresponding to a magnet of the second screen body sounding exciter when working. When the first screen body sounding exciter and the second screen body sounding exciter share the same magnet, the first screen body sounding exciter is controlled to move to a position corresponding to a coil of the first screen body sounding exciter when working, and the second screen body sounding exciter is controlled to move to a position corresponding to a coil of the second screen body sounding exciter when working.
This embodiment is through setting up first screen body sound production exciter and second screen body sound production exciter, and first screen body sound production exciter realizes the function of receiver through the vibration display panel sound production, and second screen body sound production exciter realizes the function of speaker through lid sound production after the vibration, need not to set up the play sound hole of receiver and speaker respectively in display device, is favorable to realizing the full face screen, and is favorable to realizing display device appearance design's diversification. In addition, in the embodiment, the first screen body sounding exciter and the second screen body sounding exciter share the same magnet or the same coil, so that the first screen body sounding exciter and the second screen body sounding exciter have fewer parts, occupy smaller overall space, and are beneficial to realizing the lightness and thinness of the display device.
The scheme of the application is specifically explained in the following with specific drawings:
fig. 1 is a schematic view of a display device according to an embodiment of the present invention, and referring to fig. 1, alternatively, the first panel sound-generating actuator 30 includes a first magnet 31, the second panel sound-generating actuator 40 includes a second magnet 41, the first magnet 31 is fixed to a side of the display panel 10 adjacent to the back cover 20, and the second magnet 41 is fixed to a side of the back cover 20 adjacent to the display panel 10;
the display device further includes a coil position adjusting mechanism 50; the coil position adjustment mechanism 50 is used to adjust the position of the common coil 101 based on the sound emission pattern of the display device, and to cause the common coil 101 to correspond to the first magnet 31 or the second magnet 32.
The generation mode may include a receiver sounding mode and a speaker sounding mode. In the receiver mode, the first screen volume exciter 30 operates, and in the speaker mode, the second screen volume exciter 40 operates.
Specifically, the first screen body sound-emitting exciter 30 and the second screen body sound-emitting exciter 40 share the same common coil 101, and when the first screen body sound-emitting exciter 30 works, the coil position adjusting mechanism 50 adjusts the position of the common coil 101 to correspond to the first magnet 31, and by passing a set current signal to the common coil 101, a magnetic field is generated, and under the action of the magnetic field, the common coil 101 drives the display panel 10 to vibrate or the first magnet 31 drives the display panel 10 to vibrate, so that sound output is realized. When the second screen body sounding exciter 40 works, the coil position adjusting mechanism 50 adjusts the position of the common coil 101 to correspond to the second magnet 41, a set current signal is supplied to the common coil 101 to generate a magnetic field, and the common coil 101 drives the rear cover 20 to vibrate or the second magnet 41 drives the rear cover 20 to vibrate under the action of the magnetic field, so that sound output is realized.
In this embodiment, the coil position adjusting mechanism 50 adjusts the position of the common coil 101 based on the generation mode of the display device, so as to realize the common use of the first screen body excitation exciter 30 and the second screen body excitation exciter 40 for the common coil 101, because the volume occupied by the coil is large, the function of the receiver and the speaker is realized by arranging one common coil 101, the volume occupied by the first screen body excitation exciter 30 and the second screen body excitation 40 can be reduced to a large extent, the utilization rate of the whole machine space of the display device is improved well, and the realization of the lightness and thinness of the display device is facilitated.
Optionally, with continued reference to fig. 1, the display device further comprises:
a first elastic member 71 and a second elastic member 72;
the first magnet 31 is fixed to the display panel 10 by a first elastic member 71, and the second magnet 31 is fixed to the rear cover 20 by a second elastic member 72.
Specifically, when the first screen body sound-generating exciter 30 works, the first magnet 31 and the common coil 101 move relatively through the first elastic member 71, so as to drive the display panel 10 to vibrate, and thus, sound output is realized. When the second screen body sounding exciter 40 works, the second magnet 41 moves relative to the common coil 101 through the second elastic member 72, and drives the rear cover 20 to vibrate, so as to output sound. Because the first magnet 31 and the second magnet 41 are directly connected to the display panel 10 and the rear cover 20, the vibration of the first magnet 31 and the second magnet 41 can directly drive the display panel 10 and the rear cover 20 to vibrate, thereby ensuring that the first screen body sound-generating exciter 30 and the second screen body sound-generating exciter 40 have high sound-generating accuracy.
Fig. 1 illustrates only an example of the case where the first magnet 31 vibrates the display panel 10 to generate sound and the second magnet 41 vibrates the rear cover 20 to generate sound, which is not a limitation of the present application.
Fig. 2 is a schematic view of another display device according to an embodiment of the present invention, and optionally, referring to fig. 2, the display device includes a third elastic member 73, the common coil 101 is fixed to the coil position adjusting mechanism 50 through the third elastic member 73, the first magnet 31 is rigidly fixed to the display panel 10, and the second magnet 41 is rigidly fixed to the rear cover 20. When the first screen body sound-generating exciter 30 or the second screen body sound-generating exciter 40 works, the common coil 101 vibrates to drive the display panel 10 or the rear cover 20 to vibrate to generate sound.
Fig. 3 is a schematic diagram of another display device provided by the embodiment of the present invention, and alternatively, referring to fig. 3, the first screen body generating exciter 30 comprises a first coil 32, the second screen body generating exciter 40 comprises a second coil 42, the first coil 32 is fixed on one side of the display panel 10 adjacent to the back cover 20, and the second coil 42 is fixed on one side of the back cover 20 adjacent to the display panel 10;
the display device further includes a magnet position adjustment mechanism 60; the magnet position adjustment mechanism 60 is used to adjust the position of the common magnet 102 based on the sound emission pattern of the display device so that the common magnet 102 corresponds to the first coil 32 or the second coil 42.
Specifically, the first screen body sound-emitting exciter 30 and the second screen body sound-emitting exciter 40 share the same common magnet 102, and when the first screen body sound-emitting exciter 30 works, the magnet position adjusting mechanism 60 adjusts the position of the common magnet 102 to correspond to the first coil 32, and by passing a set current signal to the first coil 32, a magnetic field is generated, and the common magnet 102 drives the display panel 10 to vibrate under the action of the magnetic field, or the first coil 32 drives the display panel 10 to vibrate, so that sound output is realized. When the second screen body sounding exciter 40 works, the magnet position adjusting mechanism 60 adjusts the position of the common magnet 102 to correspond to the second coil 42, a set current signal is applied to the second coil 42 to generate a magnetic field, and the second coil 42 drives the rear cover 20 to vibrate or the common magnet 102 drives the rear cover 20 to vibrate under the action of the magnetic field, so that sound output is realized.
In the present embodiment, the position of the common magnet 102 is adjusted by the magnet position adjusting mechanism 60 based on the generation mode of the display device, so that the first screen body sound-generating exciter 30 and the second screen body sound-generating exciter 40 share the common magnet 102, and because the weight of the magnet is heavier, the common magnet 102 is provided to realize the functions of a receiver and a speaker, so that the weights of the first screen body sound-generating exciter 30 and the second screen body sound-generating exciter 40 can be reduced to a greater extent, thereby ensuring that the display device has a smaller weight, and conforming to the development trend of thinning the display device.
Optionally, with continuing reference to fig. 2 and 3, the display device further includes:
a fourth elastic member 74 and a fifth elastic member 75;
the first coil 32 is fixed to the display panel 10 by a fourth elastic member 74, and the second coil 42 is fixed to the rear cover 20 by a fifth elastic member 75.
Specifically, when the first screen body sound-generating exciter 30 works, the first coil 32 and the common magnet 102 move relatively through the fourth elastic member 74, and the display panel 10 is driven to vibrate, so as to output sound. When the second screen body sound-generating exciter 40 works, the second coil 42 and the common magnet 102 move relatively through the fifth elastic element 75, and the rear cover 20 is driven to vibrate, so that sound output is realized. Because the first coil 32 and the second coil 42 are directly connected to the display panel 10 and the rear cover 20, the vibration of the first coil 32 and the second coil 42 can directly drive the display panel 10 and the rear cover 20 to vibrate, and the first screen body excitation exciter 30 and the second screen body excitation exciter 40 can have higher sound production accuracy.
It should be noted that fig. 3 only illustrates the case where the first coil 32 drives the display panel 10 to vibrate to generate sound and the second coil 42 drives the rear cover 20 to vibrate to generate sound, which is not a limitation of the present application.
Fig. 4 is a schematic diagram of another display device provided in an embodiment of the present invention, and optionally, referring to fig. 4, the display device may further include: the sixth elastic member 76 fixes the common magnet 102 to the magnet position adjustment mechanism 60 via the sixth elastic member 76, and the first coil 41 and the display panel 10 are rigidly fixed, and the second coil 42 and the rear cover 20 are rigidly fixed. When the first screen body sound-generating exciter 30 or the second screen body sound-generating exciter 40 works, the common magnet 102 vibrates to drive the display panel 10 or the rear cover 20 to vibrate to generate sound.
Optionally, the first elastic member, the second elastic member and the third elastic member are all springs; the fourth elastic piece, the fifth elastic piece and the sixth elastic piece are all springs.
Specifically, the spring has good elasticity, and can drive the display panel 10 or the rear cover 20 to vibrate well.
Alternatively, referring to fig. 1 to 4, the display device further includes:
a middle frame 80, the middle frame 80 being disposed between the display panel 10 and the rear cover 20;
the coil position adjusting mechanism 50 is fixed to the middle frame 80, or the magnet position adjusting mechanism 60 is fixed to the middle frame 80.
The middle frame 80 is used for supporting the display panel 10 and the rear cover 20, the middle frame 80 is a support structure with a groove, when the display device is assembled, the display panel 10 is usually fixed in the groove of the middle frame 80, the cover plate is arranged on one side of the display panel 10 away from the middle frame 80, the main board of the display device is arranged on one side of the middle frame 80 without the groove, the rear cover 20 is arranged on one side of the main board away from the middle frame 80, and the edge of the rear cover 20 is fixed with the middle frame 80. By fixing the coil position adjusting mechanism 50 or the magnet position adjusting mechanism 60 to the middle frame 80, the stability of the coil position adjusting mechanism 50 or the magnet position adjusting mechanism 60 is better, and the position adjusting precision of the common coil 101 or the common magnet 102 is ensured to be higher.
Alternatively, referring to fig. 2 and 4, the coil position adjusting mechanism 50 includes a first slide rail 51, a first driver 52 and a first slider 53, the common coil 101 is fixed to the first slider 53, and the first driver 52 is configured to drive the first slider 53 to move along the first slide rail 51.
The magnet position adjusting mechanism 60 includes a second slide rail 61, a second driver 62 and a second slide block 63, the common magnet 102 is fixed to the second slide block 63, and the second driver 62 is used for driving the second slide block 63 to move along the second slide rail 61.
The first driver 52 and the second driver 62 may be motors, and may be exemplified by stepper motors, etc., since the rotation speed and the stop position of the motors depend only on the frequency and the pulse number of the pulse signal under the condition that the stepper motors are not overloaded, and are not influenced by the load change, the influence of the load change caused by the vibration and the like in the moving process of the common coil 101 or the common magnet 102 on the rotation speed or the stop position of the motors can be avoided, and the first driver 52 and the second driver 62 are ensured to have higher driving precision, thereby ensuring that the common coil 101 or the common magnet 102 has higher position adjustment precision.
Optionally, the vertical projection of the first panel sound emitting actuators 30 onto the back cover 20 at least partially overlaps the vertical projection of the second panel sound emitting actuators 40 onto the back cover 20.
With this arrangement, when the positions of the common coil 101 and the common magnet 102 are adjusted, the adjustment amount in the direction parallel to the display panel 10 or the rear cover 20 can be made small mainly by adjusting in the direction in which the display panel 10 is directed vertically toward the rear cover 20, the difficulty of driving is reduced, and the switching speed of the display device generation mode is increased.
Alternatively, the first slide rail 51 extends along the direction in which the rear cover 20 is vertically directed to the display panel 10, and the second slide rail 61 extends along the direction in which the rear cover 20 is vertically directed to the display panel 10.
At this time, the geometric center of the vertical projection of the first panel sound generators 30 on the rear cover 20 coincides with or has a small deviation from the geometric center of the vertical projection of the second panel sound generators 40 on the rear cover 20. The functions of the first screen body sound-generating exciter 30 and the second screen body sound-generating exciter 40 can be realized only by lifting the common coil 101 and the common magnet 102 in the direction in which the display panel 10 is vertically directed toward the rear cover 20, the driving difficulty of the common coil 101 and the common magnet 102 is further reduced, and the switching speed of the generation mode of the display device is increased.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious modifications, rearrangements, combinations and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (10)
1. A display device, comprising:
the display panel and the back cover are oppositely arranged, and the first screen body sounding exciter and the second screen body sounding exciter are arranged between the display panel and the back cover;
the first screen body sounding exciter is used for driving the display panel to vibrate to realize sounding, and the second screen body sounding exciter is used for driving the rear cover to vibrate to realize sounding;
the first screen body sounding exciter and the second screen body sounding exciter both comprise a coil and a magnet; the first screen body sounding exciter and the second screen body sounding exciter share the same coil or the first screen body sounding exciter and the second screen body sounding exciter share the same magnet.
2. The display device according to claim 1, wherein:
the first screen body sounding actuator comprises a first magnet, the second screen body sounding actuator comprises a second magnet, the first magnet is fixed on one side of the display panel, which is adjacent to the rear cover, and the second magnet is fixed on one side of the rear cover, which is adjacent to the display panel;
the display device further comprises a coil position adjusting mechanism; the coil position adjusting mechanism is used for adjusting the position of the common coil based on the sound production mode of the display device, so that the common coil corresponds to the first magnet or the second magnet.
3. The display device according to claim 2, wherein:
the display device further includes: the first magnet is fixed on the display panel through the first elastic piece, and the second magnet is fixed on the rear cover through the second elastic piece;
or, the display device further comprises a third elastic member, and the common coil is fixed to the coil position adjusting mechanism through the third elastic member.
4. The display device according to claim 2, further comprising:
the middle frame is arranged between the display panel and the rear cover;
the coil position adjusting mechanism is fixed to the middle frame.
5. The display device according to claim 2, wherein:
the coil position adjusting mechanism comprises a first slide rail, a first driver and a first slide block, the shared coil is fixed on the first slide block, and the first driver is used for driving the first slide block to move along the first slide rail.
6. The display device according to claim 1, wherein:
the first screen body sounding exciter comprises a first coil, the second screen body sounding exciter comprises a second coil, the first coil is fixed on one side, close to the rear cover, of the display panel, and the second coil is fixed on one side, close to the display panel, of the rear cover;
the display device also comprises a magnet position adjusting mechanism; the magnet position adjusting mechanism is used for adjusting the position of the common magnet based on the sound production mode of the display device, so that the common magnet corresponds to the first coil or the second coil.
7. The display device according to claim 6, wherein:
the display device further includes: the first coil is fixed on the display panel through the fourth elastic piece, and the second coil is fixed on the rear cover through the fifth elastic piece;
alternatively, the display device further includes: and the shared magnet is fixed on the magnet position adjusting mechanism through the sixth elastic piece.
8. The display device according to claim 6, further comprising:
the middle frame is arranged between the display panel and the rear cover;
the magnet position adjusting mechanism is fixed on the middle frame.
9. The display device according to claim 6, wherein:
the magnet position adjusting mechanism comprises a second slide rail, a second driver and a second slide block, the shared magnet is fixed on the second slide block, and the second driver is used for driving the second slide block to move along the second slide rail.
10. The display device according to claim 5 or 9, wherein:
the vertical projection of the first panel acoustic actuator on the back cover at least partially overlaps the vertical projection of the second panel acoustic actuator on the back cover.
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CN201921993575.2U CN210579216U (en) | 2019-11-15 | 2019-11-15 | Display device |
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CN201921993575.2U CN210579216U (en) | 2019-11-15 | 2019-11-15 | Display device |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20210136500A1 (en) * | 2019-10-31 | 2021-05-06 | AAC Technologies Pte. Ltd. | Screen sounding exciter and electronic device |
WO2022193934A1 (en) * | 2021-03-18 | 2022-09-22 | 海信视像科技股份有限公司 | Display device, exciter, and audio signal playback method |
-
2019
- 2019-11-15 CN CN201921993575.2U patent/CN210579216U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20210136500A1 (en) * | 2019-10-31 | 2021-05-06 | AAC Technologies Pte. Ltd. | Screen sounding exciter and electronic device |
WO2022193934A1 (en) * | 2021-03-18 | 2022-09-22 | 海信视像科技股份有限公司 | Display device, exciter, and audio signal playback method |
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