CN217933037U - Display device - Google Patents
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- CN217933037U CN217933037U CN202221534163.4U CN202221534163U CN217933037U CN 217933037 U CN217933037 U CN 217933037U CN 202221534163 U CN202221534163 U CN 202221534163U CN 217933037 U CN217933037 U CN 217933037U
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Abstract
The embodiment of the application relates to the technical field of display, in particular to a display device, which comprises: a display device having a display surface, the display device having a left portion and a right portion which are arranged in order in a horizontal direction and connected; the multi-channel loudspeaking assembly is provided with a central channel loudspeaker, a left channel loudspeaker, a right channel loudspeaker and a bass channel loudspeaker, wherein the central channel loudspeaker and the bass channel loudspeaker are arranged on the display device, the direction of a horn mouth of the central channel loudspeaker is the same as the display direction of the display surface, the left channel loudspeaker is arranged at the left part, and the right channel loudspeaker is arranged at the right part. The display device provided by the embodiment of the application can improve the sound perception experience of a user in watching the film and meet the requirements of the user.
Description
Technical Field
The embodiment of the application relates to the technical field of display, in particular to a display device.
Background
Currently, the existing display devices have one to two speakers. In a display device with one loudspeaker, the loudspeaker is a mono loudspeaker, and the loudspeaker can only play audio files with a single sound channel. In a display device with two speakers, the two speakers are a high-frequency sound channel speaker and a low-frequency sound channel speaker respectively, and the two speakers can play audio files of a high-frequency sound channel and audio files of a low-frequency sound channel respectively.
Along with the rapid development of scientific technology, the living standard of people is also promoted thereupon, and the user is more and more high to display device's requirement, and current display device that has one to two loudspeaker makes the user experience in sound perception when seeing the shadow relatively poor, can't satisfy user's demand.
Therefore, it is desirable to provide a display device to improve the user experience when viewing images and meet the user requirements.
SUMMERY OF THE UTILITY MODEL
An object of the embodiment of the application is to provide a display device, which can improve the sound perception experience of a user during film watching and meet the requirements of the user.
To solve the above problem, an embodiment of the present application provides a display device, including: a display device having a display surface, the display device having a left portion and a right portion that are sequentially arranged and connected in a horizontal direction; the multi-channel loudspeaking assembly is provided with a central channel loudspeaker, a left channel loudspeaker, a right channel loudspeaker and a bass channel loudspeaker, wherein the central channel loudspeaker and the bass channel loudspeaker are arranged on the display device, the direction of a horn mouth of the central channel loudspeaker is the same as the display direction of the display surface, the left channel loudspeaker is arranged at the left part, and the right channel loudspeaker is arranged at the right part.
The display device provided by the embodiment of the application comprises a multi-channel loudspeaker assembly, and the multi-channel loudspeaker assembly is provided with a center channel loudspeaker, a left channel loudspeaker, a right channel loudspeaker and a bass channel loudspeaker. Therefore, when a user uses the display equipment provided by the embodiment of the application to watch a movie, the central sound channel loudspeaker can play the audio file of the central sound channel, the left sound channel loudspeaker can play the audio file of the left sound channel, the right sound channel loudspeaker can play the audio file of the right sound channel, and the bass sound channel loudspeaker can play the audio file of the bass sound channel, so that the user has stereo experience when watching the movie, the sound sense experience of the user when watching the movie is improved, and the user requirements are met.
In some embodiments, the number of the left channel horns is two, the two left channel horns are a front left channel horn and a rear left channel horn, respectively, a horn mouth of the front left channel horn faces in the same direction as the display direction of the display surface, and a horn mouth of the rear left channel horn faces in the opposite direction to the display direction of the display surface; the quantity of right channel loudspeaker is two, two right channel loudspeaker are preceding right channel loudspeaker and back right channel loudspeaker respectively, the horn mouth orientation of preceding right channel loudspeaker with the display direction syntropy of display surface, the horn mouth orientation of back right channel loudspeaker with the display direction of display surface is opposite.
In some embodiments, the display device includes a housing and a display screen having a display surface, the housing includes a frame surrounding the display screen along an edge of the display screen, and a rear housing connected to the frame and located on a non-display surface side of the display screen; the front left sound channel loudspeaker is positioned on the left side of the display screen and arranged on the frame; the rear left sound channel loudspeaker is arranged on the rear shell; the front right sound channel loudspeaker is positioned on the right side of the display screen and arranged on the frame; the rear right channel loudspeaker is arranged on the rear shell.
In some embodiments, the number of the left channel horns is three, the three left channel horns are a front left channel horn, a rear left channel horn and a left channel facing horn, respectively, a horn mouth of the front left channel horn faces in the same direction as the display direction of the display surface, a horn mouth of the rear left channel horn faces in the opposite direction to the display direction of the display surface, and a horn mouth of the left channel facing horn faces to the left; the quantity of right channel loudspeaker is three, and is three right channel loudspeaker is preceding right channel loudspeaker, back right channel loudspeaker respectively and towards right channel loudspeaker, the horn mouth orientation of preceding right channel loudspeaker with the display direction syntropy of display surface, the horn mouth orientation of back right channel loudspeaker with the display direction of display surface is opposite, towards the horn mouth orientation right side of right channel loudspeaker.
In some embodiments, the display device includes a housing and a display screen having a display surface, the housing includes a frame surrounding the display screen along an edge of the display screen, and a rear housing connected to the frame and located on a non-display surface side of the display screen; the front left channel loudspeaker and the facing left channel loudspeaker are both positioned on the left side of the display screen and arranged on the frame; the rear left sound channel loudspeaker is arranged on the rear shell; the front right channel loudspeaker and the facing right channel loudspeaker are both positioned on the right side of the display screen and arranged on the frame; the rear right channel loudspeaker is arranged on the rear shell.
In some embodiments, the center channel speaker is positioned above the display screen and disposed on the bezel; the bass sound channel loudspeaker is located below the display screen and arranged on the frame.
In some embodiments, the display device further comprises a bracket and a base, wherein one end of the bracket is fixed with the rear shell, and the other end of the bracket is fixed with the base; the central sound channel loudspeaker is positioned below the display screen and arranged on the frame; the bass sound channel loudspeaker is arranged on the base.
In some embodiments, the display device further comprises a bracket and a base, wherein one end of the bracket is fixed with the rear shell, and the other end of the bracket is fixed with the base; the central sound channel loudspeaker is positioned above the display screen and arranged on the frame; the bass sound channel loudspeaker is arranged on the base.
In some embodiments, the display device further comprises a bracket and a base, wherein one end of the bracket is fixed with the rear shell, and the other end of the bracket is fixed with the base; the central sound channel loudspeaker is arranged on the bracket; the bass sound channel loudspeaker is arranged on the base.
In some embodiments, the display device further includes a bracket and a base, the bracket is a telescopic rod, and one end of the bracket is fixed to the rear housing and the other end of the bracket is fixed to the base.
Drawings
Fig. 1 is a schematic structural diagram of a display device provided in some embodiments of the present application;
FIG. 2 is a schematic view of another viewing angle of the display device shown in FIG. 1;
fig. 3 is a schematic structural diagram of a display device according to some embodiments of the present application;
FIG. 4 is a schematic diagram of another view angle of the display device shown in FIG. 3;
FIG. 5 is a schematic structural diagram of a display device according to some embodiments of the present application;
FIG. 6 is a schematic diagram of another view angle of the display device shown in FIG. 5;
fig. 7 is a schematic structural diagram of a display device according to some embodiments of the present application;
FIG. 8 is a schematic view of another viewing angle of the display device shown in FIG. 7;
fig. 9 is a schematic structural diagram of a display device according to some embodiments of the present application;
FIG. 10 is a schematic diagram of another view angle of the display device shown in FIG. 9;
fig. 11 is a schematic structural diagram of a display device according to some embodiments of the present application;
fig. 12 is a schematic view of another viewing angle of the display device shown in fig. 11.
Detailed Description
As can be seen from the background art, the conventional display device with one or two speakers makes the user have poor experience of sound perception when watching a movie, and cannot meet the user's needs.
To solve the above problems, the inventors of the present application have devised a display device including: a display device having a display surface, the display device having a left portion and a right portion which are arranged in order in a horizontal direction and connected; multichannel subassembly of raising one's voice has central track loudspeaker, left channel loudspeaker, right channel loudspeaker and bass channel loudspeaker, and wherein, central track loudspeaker and bass channel loudspeaker all set up on display device, and the horn mouth orientation of central track loudspeaker and the display surface's direction of display syntropy, left channel loudspeaker set up in the left part, and right channel loudspeaker set up in the right part.
Since the display apparatus designed by the inventor of the present application includes the multi-channel speaker assembly having the center channel speaker, the left channel speaker, the right channel speaker and the bass channel speaker. So, the user is when using the display device that this application inventor designed to look the shadow, the audio file of central track can be broadcast to central track loudspeaker, the audio file of left track can be broadcast to left track loudspeaker, the audio file of right track can be broadcast to right track loudspeaker, the audio file of bass track can be broadcast to bass track loudspeaker to make the user have stereo experience when looking the shadow, promote the sound sense experience of user when looking the shadow, satisfy user's demand.
To make the objects, technical solutions and advantages of the embodiments of the present application clearer, embodiments of the present application will be described in detail below with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that numerous technical details are set forth in various embodiments of the present application in order to provide a better understanding of the present application. However, the technical means claimed in the present application can be realized by various changes and modifications of the following embodiments.
Referring to fig. 1 to 12, some embodiments of the present application provide a display apparatus including: a display device 110 having a display surface, the display device 110 having a left portion 111 and a right portion 112 which are arranged in order in a horizontal direction and connected; the multi-channel speaker assembly 120 includes a center channel speaker 121, a left channel speaker 122, a right channel speaker 123, and a low-pitch channel speaker 124, wherein the center channel speaker 121 and the low-pitch channel speaker 124 are disposed on the display device 110, a speaker opening of the center channel speaker 121 faces in the same direction as the display direction of the display surface, the left channel speaker 122 is disposed on the left portion 111, and the right channel speaker 123 is disposed on the right portion 112.
Just because the center channel loudspeaker 121 and the bass channel loudspeaker 124 are both arranged on the display device 110, the bell mouth of the center channel loudspeaker 121 faces the display direction of the display surface, the left channel loudspeaker 122 is arranged on the left portion 111, and the right channel loudspeaker 123 is arranged on the right portion 112, when the center channel loudspeaker 121, the left channel loudspeaker 122, the right channel loudspeaker 123 and the bass channel loudspeaker 124 of the multi-channel loudspeaker assembly 120 of the display device play audio files, a user can have stereo experience, so that the sound experience of the user during viewing is improved, and the user requirements are met.
It should be noted that, in some embodiments, the display device further includes: the decoder is configured to decode an audio file received and/or stored by the display device into a plurality of audio files required by each speaker of the multi-channel speaker component 120, and transmit the decoded plurality of audio files to each corresponding speaker of the multi-channel speaker component 120, so as to allow each speaker of the multi-channel speaker component 120 to sound.
The center channel speaker 121 and the bass channel speaker 124 are both disposed on the display device 110, that is, the center channel speaker 121 and the bass channel speaker 124 may be disposed at any position of the display device 110, which is not limited in the present application.
To facilitate understanding of the left and right portions 111 and 112, a virtual axis is set on the display device 110 in the direction of gravity; the left portion 111 is a portion located on the left side of the axis when the user views the display surface of the display device 110; the right portion 112 is the portion to the right of the axis when the user views the display surface of the display device 110. The axes are only for easy understanding of the left portion 111 and the right portion 112, and the axes are not structures of the surface of the display device 110, and the specific arrangement positions of the axes are not limited in the present application.
The display direction of the display surface is a direction in which the display surface faces the user when the user views the image using the display device 110.
With continued reference to fig. 1, 2, 5 to 8, in some embodiments, the number of the left channel speakers 122 is two, the two left channel speakers 122 are a front left channel speaker 101 and a rear left channel speaker 102, respectively, a speaker opening of the front left channel speaker 101 faces in the same direction as the display direction of the display surface, and a speaker opening of the rear left channel speaker 102 faces in the opposite direction to the display direction of the display surface; the number of the right channel horns 123 is two, the two right channel horns 123 are a front right channel horn 103 and a rear right channel horn 104 respectively, the horn mouth orientation of the front right channel horn 103 is in the same direction as the display direction of the display surface, and the horn mouth orientation of the rear right channel horn 104 is opposite to the display direction of the display surface.
Therefore, when a user uses the display device, the audio file of the front left channel can be played through the front left channel loudspeaker 101, the audio file of the rear left channel is played through the rear left channel loudspeaker 102, the audio file of the front right channel is played through the front right channel loudspeaker 103, and the audio file of the rear right channel is played through the rear right channel loudspeaker 104, so that the stereo experience of the user is stronger when the user sees a movie, the sound perception experience of the user when the user sees a movie is further improved, and the user requirements are met.
With continued reference to fig. 1, 2, 5-8, in some embodiments, the display device 110 includes a housing 113 and a display screen 114 having a display surface, the housing 113 includes a bezel 115 and a rear cover 116, the bezel 115 surrounds the display screen 114 along an edge of the display screen 114, and the rear cover 116 is connected to the bezel 115 and is located on a non-display surface side of the display screen 114; the front left channel speaker 101 is located at the left side of the display screen 114 and is arranged on the frame 115; the rear left channel horn 102 is disposed on the rear housing 116; the front right channel speaker 103 is positioned at the right side of the display screen 114 and arranged on the frame 115; the rear right channel horn 104 is disposed on the rear housing 116.
In this way, when the user uses the multi-channel speaker component 120 to play sound, the user can have a stereo experience. And the front left channel loudspeaker 101 and the front right channel loudspeaker 103 do not obstruct the display screen 114 from displaying, so as to prevent the display effect of the display screen 114 from being influenced by the front left channel loudspeaker 101 and the front right channel loudspeaker 103.
With continued reference to fig. 3, 4, and 9 to 12, in some embodiments, the number of the left channel speakers 122 is three, the three left channel speakers 122 are a front left channel speaker 101, a rear left channel speaker 102, and a left channel speaker 105, respectively, a speaker opening of the front left channel speaker 101 faces in the same direction as the display direction of the display surface, a speaker opening of the rear left channel speaker 102 faces in the opposite direction to the display direction of the display surface, and a speaker opening of the left channel speaker 105 faces to the left; the number of the right channel horns 123 is three, the three right channel horns 123 are respectively a front right channel horn 103, a rear right channel horn 104 and a right channel horn 106, the horn mouth orientation of the front right channel horn 103 is in the same direction with the display direction of the display surface, the horn mouth orientation of the rear right channel horn 104 is opposite to the display direction of the display surface, and the horn mouth orientation of the right channel horn 106 is towards the right side.
Specifically, the direction of the horn mouth of the left channel horn 105 toward the left side is that the direction of the horn mouth of the left channel horn 105 is perpendicular to the display direction of the display surface, and the direction of the horn mouth of the left channel horn 105 is a direction of the left portion 111 away from the right portion 112; the right channel horn 106 is flared to the right, that is, the right channel horn 106 is flared to the right in a direction perpendicular to the display direction of the display surface, and the right channel horn 106 is flared to the right in a direction that the right portion 112 is away from the left portion 111.
Thus, when a user uses the display device, the audio file of the front left channel can be played through the front left channel loudspeaker 101, the audio file of the rear left channel is played through the rear left channel loudspeaker 102, the audio file of the rear left channel is played towards the left channel loudspeaker 105, the audio file of the front right channel is played through the front right channel loudspeaker 103, the audio file of the rear right channel is played through the rear right channel loudspeaker 104, and the audio file of the rear right channel is played towards the right channel loudspeaker 106, so that the stereo experience of the user is stronger when the user watches the movie, the sound perception experience of the user when watching the movie is further improved, and the user requirements are met.
With continued reference to fig. 3, 4, and 9-12, in some embodiments, the display device 110 includes a housing 113 and a display screen 114 having a display surface, the housing 113 includes a bezel 115 and a rear cover 116, the bezel 115 surrounds the display screen 114 along an edge of the display screen 114, and the rear cover 116 is connected to the bezel 115 and is located on a non-display surface side of the display screen 114; the front left channel loudspeaker 101 and the left channel loudspeaker 105 are both positioned at the left side of the display screen 114 and arranged on the frame 115; the rear left channel horn 102 is disposed on the rear housing 116; the front right channel loudspeaker 103 and the right channel loudspeaker 106 are both positioned at the right side of the display screen 114 and arranged on the frame 115; the rear right channel horn 104 is disposed on the rear housing 116.
Thus, when the user plays the sound using the multi-channel speaker component 120, the user can have a stronger stereo experience. And the front left channel loudspeaker 101, the front left channel loudspeaker 105, the front right channel loudspeaker 103 and the front right channel loudspeaker 106 do not obstruct the display screen 114 from displaying, so as to avoid the influence of the front left channel loudspeaker 101, the front left channel loudspeaker 105, the front right channel loudspeaker 103 and the front right channel loudspeaker 106 on the display effect of the display screen 114.
With continued reference to fig. 1-4, in some embodiments, the center channel speaker 121 is positioned above the display screen 114 and disposed on the bezel 115; a bass channel speaker 124 is located below the display screen 114 and is disposed on the bezel 115. In this way, when the user uses the multi-channel speaker component 120 to play sound, the user can have a stereo experience.
With continued reference to fig. 5, 6, 9, and 10, in further embodiments, the display device 110 further includes a bracket 117 and a base 118, wherein one end of the bracket 117 is fixed to the rear case 116, and the other end is fixed to the base 118; the center channel speaker 121 is located below the display screen 114 and is disposed on the bezel 115; a bass channel horn 124 is disposed on the base 118. Thus, when the user plays sound using the multi-channel speaker component 120, the user can have a stereo experience.
In still other embodiments, the display device 110 further includes a bracket 117 and a base 118, wherein one end of the bracket 117 is fixed to the rear case 116, and the other end is fixed to the base 118; the center channel speaker 121 is located above the display screen 114 and disposed on the bezel 115; a bass channel horn 124 is disposed on the base 118. In this way, when the user uses the multi-channel speaker component 120 to play sound, the user can have a stereo experience.
With continued reference to fig. 7, 8, 11, and 12, in other embodiments, the display device 110 further includes a bracket 117 and a base 118, wherein one end of the bracket 117 is fixed to the rear case 116, and the other end is fixed to the base 118; the center channel speaker 121 is provided on the bracket 117; a bass channel horn 124 is disposed on the base 118.
The present application is not limited to the horn mouth orientation of the bass channel horn 124. In one example, the mouth of the bass channel horn 124 may be oriented in the same direction as the display direction of the display surface. In yet another example, the horn mouth of the bass channel horn 124 may also be directed upward or downward.
With continued reference to fig. 5-12, in some embodiments, the support 117 is a telescoping rod. In this way, it may be convenient to adjust the height of display screen 114 to make the height of display screen 114 and user's visual angle match, thereby promote user's visual experience when seeing the shadow.
With continued reference to fig. 1-12, in some embodiments, the bezel 115 is integrally formed with the rear housing 116. Thus, steps in assembling the display device can be reduced.
It will be understood by those of ordinary skill in the art that the foregoing embodiments are specific examples for carrying out the present application, and that various changes in form and details may be made therein without departing from the spirit and scope of the present application in practice. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the scope or spirit of the present disclosure, and the scope of the present disclosure should be defined only by the appended claims.
Claims (10)
1. A display device, comprising:
a display device having a display surface, the display device having a left portion and a right portion that are sequentially arranged and connected in a horizontal direction;
the multi-channel loudspeaking assembly is provided with a central channel loudspeaker, a left channel loudspeaker, a right channel loudspeaker and a bass channel loudspeaker, wherein the central channel loudspeaker and the bass channel loudspeaker are arranged on the display device, the direction of a horn mouth of the central channel loudspeaker is the same as the display direction of the display surface, the left channel loudspeaker is arranged at the left part, and the right channel loudspeaker is arranged at the right part.
2. The display device according to claim 1,
the display screen comprises a display surface, a left sound channel loudspeaker, a rear left sound channel loudspeaker, a right sound channel loudspeaker, a left sound channel loudspeaker and a right sound channel loudspeaker, wherein the number of the left sound channel loudspeakers is two, the two left sound channel loudspeakers are respectively a front left sound channel loudspeaker and a rear left sound channel loudspeaker, the direction of a horn mouth of the front left sound channel loudspeaker is the same as the display direction of the display surface, and the direction of a horn mouth of the rear left sound channel loudspeaker is opposite to the display direction of the display surface;
the quantity of right channel loudspeaker is two, two right channel loudspeaker are preceding right channel loudspeaker and back right channel loudspeaker respectively, the horn mouth orientation of preceding right channel loudspeaker with the display direction syntropy of display surface, the horn mouth orientation of back right channel loudspeaker with the display direction of display surface is opposite.
3. The display device according to claim 2,
the display device comprises a shell and a display screen with a display surface, wherein the shell comprises a frame and a rear shell, the frame surrounds the display screen along the edge of the display screen, and the rear shell is connected with the frame and is positioned on one side of the non-display surface of the display screen;
the front left sound channel loudspeaker is positioned on the left side of the display screen and arranged on the frame;
the rear left sound channel loudspeaker is arranged on the rear shell;
the front right sound channel loudspeaker is positioned on the right side of the display screen and arranged on the frame;
the rear right channel loudspeaker is arranged on the rear shell.
4. The display device according to claim 1,
the number of the left sound channel horns is three, the three left sound channel horns are respectively a front left sound channel horn, a rear left sound channel horn and a left facing sound channel horn, the direction of a horn mouth of the front left sound channel horn is the same as the display direction of the display surface, the direction of a horn mouth of the rear left sound channel horn is opposite to the display direction of the display surface, and the direction of the horn mouth of the left facing sound channel horn is towards the left side;
right channel loudspeaker's quantity is three, and is three right channel loudspeaker is preceding right channel loudspeaker, back right channel loudspeaker and towards right channel loudspeaker respectively, preceding right channel loudspeaker's horn mouth orientation with the display direction syntropy of display surface, back right channel loudspeaker's horn mouth orientation with the display direction of display surface is opposite, towards right channel loudspeaker's horn mouth orientation right side.
5. The display device according to claim 4,
the display device comprises a shell and a display screen with a display surface, wherein the shell comprises a frame and a rear shell, the frame surrounds the display screen along the edge of the display screen, and the rear shell is connected with the frame and is positioned on one side of the non-display surface of the display screen;
the front left sound channel loudspeaker and the facing left sound channel loudspeaker are both positioned on the left side of the display screen and arranged on the frame;
the rear left sound channel loudspeaker is arranged on the rear shell;
the front right channel loudspeaker and the facing right channel loudspeaker are both positioned on the right side of the display screen and arranged on the frame;
the rear right channel speaker is disposed on the rear housing.
6. The display device according to claim 3 or 5,
the central sound channel loudspeaker is positioned above the display screen and arranged on the frame;
the bass sound channel loudspeaker is located below the display screen and arranged on the frame.
7. The display device according to claim 3 or 5,
the display device also comprises a bracket and a base, wherein one end of the bracket is fixed with the rear shell, and the other end of the bracket is fixed with the base;
the central sound channel loudspeaker is positioned below the display screen and arranged on the frame;
the bass sound channel loudspeaker is arranged on the base.
8. The display device according to claim 3 or 5,
the display device also comprises a bracket and a base, wherein one end of the bracket is fixed with the rear shell, and the other end of the bracket is fixed with the base;
the central sound channel loudspeaker is positioned above the display screen and arranged on the frame;
the bass sound channel loudspeaker is arranged on the base.
9. The display device according to claim 3 or 5,
the display device also comprises a bracket and a base, wherein one end of the bracket is fixed with the rear shell, and the other end of the bracket is fixed with the base;
the central sound channel loudspeaker is arranged on the bracket;
the bass sound channel loudspeaker is arranged on the base.
10. The display device according to claim 3 or 5,
the display device further comprises a support and a base, the support is a telescopic rod, one end of the support is fixed with the rear shell, and the other end of the support is fixed with the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221534163.4U CN217933037U (en) | 2022-06-16 | 2022-06-16 | Display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221534163.4U CN217933037U (en) | 2022-06-16 | 2022-06-16 | Display device |
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| Publication Number | Publication Date |
|---|---|
| CN217933037U true CN217933037U (en) | 2022-11-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221534163.4U Active CN217933037U (en) | 2022-06-16 | 2022-06-16 | Display device |
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| Country | Link |
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| CN (1) | CN217933037U (en) |
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2022
- 2022-06-16 CN CN202221534163.4U patent/CN217933037U/en active Active
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