CN209056266U - Display device - Google Patents
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- CN209056266U CN209056266U CN201822148790.4U CN201822148790U CN209056266U CN 209056266 U CN209056266 U CN 209056266U CN 201822148790 U CN201822148790 U CN 201822148790U CN 209056266 U CN209056266 U CN 209056266U
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- frame
- circuit board
- display device
- microphone
- display screen
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Abstract
The utility model provides a kind of display device, is related to field of display technology.The display device includes frame；And display screen, camera assembly, microphone assembly, the voice being arranged on frame pre-process circuit board and main circuit board, main circuit board include face recognition module and speech recognition module；Wherein, display screen is electrically connected with main circuit board, and microphone assembly and voice pre-process circuit board electrical connection, and camera assembly is electrically connected with face recognition module, and voice pretreatment circuit board is electrically connected with speech recognition module.The utility model embodiment by being arranged the camera assembly for realizing recognition of face and the microphone assembly for realizing speech recognition on the display apparatus, so that user can be interacted by microphone assembly and/or camera assembly with display device, targetedly serviced so that display device can provide for user.
Description
Technical field
The utility model relates to field of display technology more particularly to a kind of display devices.
Background technique
With the development of display technology, display device is often used as the broadcasting medium of reading, science popularization or advertisement etc., setting
In places such as market, bank, hotel, residential quarter or schools, for being user service.But at present in display device in display
The broadcasting order of appearance is often preset, can not targetedly be played to different users, and then affect the effect of publicity.
Therefore, how to make display device carry out specific aim to user to play as urgent problem to be solved.
Utility model content
In view of this, the utility model embodiment is dedicated to providing a kind of display device, to solve to show in the prior art
The problem of device can not carry out specific aim broadcasting to user.
On the one hand the utility model provides a kind of display device, comprising: frame；And setting on said frame aobvious
Display screen, camera assembly, microphone assembly, voice pretreatment circuit board and main circuit board, the main circuit board include recognition of face
Module and speech recognition module；Wherein, the display screen is electrically connected with the main circuit board, the microphone assembly and institute's predicate
Sound pre-processes circuit board electrical connection, and the camera assembly is electrically connected with the face recognition module, and the voice pre-processes circuit
Plate is electrically connected with the speech recognition module.
In one embodiment of the utility model, the top of the display screen is arranged in the camera assembly, wherein institute
Camera assembly is stated to include fixed bracket on said frame, the fixed frame connecting with the holder pivots and be arranged described solid
Determine the camera on frame.
In one embodiment of the utility model, the microphone assembly and voice pretreatment circuit board setting exist
The top of the display screen, wherein the microphone assembly includes microphone, the fixed plate of the fixed microphone and package institute
The rear cover of microphone is stated, the fixed plate is fixed on said frame, and the top of the lug boss of the fixed plate passes through the frame
The first through hole of frame is downward.
In one embodiment of the utility model, the side of the rear cover towards the microphone is provided with foamed cotton layer.
In one embodiment of the utility model, the one of the microphone assembly is transversely arranged in the camera assembly
Side, the frame include the second through-hole, wherein the camera assembly obtains image by second through-hole.
In one embodiment of the utility model, display device further comprises crossbeam, wherein the display screen is fixed
Between the crossbeam and the frame.
In one embodiment of the utility model, the frame includes the frame plate being located at below the display screen and hangs down
Directly in the frame of the left and right of the frame plate two, the display device further comprises being separately positioned on two frames
Loudspeaker, the box cover for wrapping up the loudspeaker, the power amplifier circuit board being arranged on the frame plate and amplifier power supply circuit board, Yi Jigu
The pedestal of the fixed frame, wherein the loudspeaker are electrically connected with the power amplifier circuit board, the power amplifier circuit board and the power amplifier
Power supply circuit board electrical connection, the main circuit board are fixed on the pedestal and the frame.
In one embodiment of the utility model, display device further comprises the rear shell closed with the frame cover,
In, it two air-out fans, the air inlet fan being arranged between described two air-out fans and is electrically connected with the main circuit board
Audio interface, microphone interface, Universal Serial Bus Interface and network interface be arranged in the rear shell.
In one embodiment of the utility model, display device further comprises setting power supply on the base point
With socket and the power switch and power interface that are arranged in the rear shell, wherein the power supply line of the main circuit board, described
The power supply line of the power supply line of display screen and the amplifier power supply circuit board is plugged on the power distribution socket, the power supply
Switch and the power interface are electrically connected with the power distribution socket.
In one embodiment of the utility model, display device further comprises the light bar of setting on said frame,
Wherein, the power supply line of the light bar is plugged on the power distribution socket.
In one embodiment of the utility model, display device further comprises that the nothing at the top of the frame is arranged in
Line connects antenna, wherein the wireless connection antenna is electrically connected with the main circuit board.
In one embodiment of the utility model, the size of the display screen is to be less than or equal to 65 more than or equal to 32 cun
It is very little；And/or the display screen has touch function.
In one embodiment of the utility model, display device further comprises the foot that the base bottom is arranged in
Pad.
The utility model embodiment is by the way that the camera assembly for realizing recognition of face is arranged on the display apparatus and is used for
The microphone assembly of speech recognition is realized, so that user can fill by microphone assembly and/or camera assembly and display
It sets and interacts, targetedly serviced so that display device can provide for user.
Detailed description of the invention
Fig. 1 is the preceding axonometric schematic diagram according to the display device of the utility model one embodiment.
Fig. 2 is the schematic layout pattern of the camera assembly and microphone assembly according to the utility model one embodiment.
Fig. 3 is the schematic layout pattern according to the display device internal hardware of the utility model one embodiment.
Fig. 4 is the rear isometric schematic diagram according to the display device of the utility model one embodiment.
Appended drawing reference in above-mentioned attached drawing is as follows: pedestal 1, frame 2, power distribution socket 3, amplifier power supply circuit board 4, function
Circuit board 5, display screen 6 are put, crossbeam 7 is wirelessly connected antenna 8, camera assembly 23, camera 9, fixed frame 10, bracket 11, Mike
Wind component 12, rear cover 13, voice pretreatment circuit board 14, power interface 15, Universal Serial Bus Interface 16, audio interface 17,
Network interface 18, microphone interface 19, loudspeaker 20, fan 21, main circuit board 22, rear shell 24, frame 25, foot pad 26, frame plate
27。
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
It clearly and completely describes, it is clear that described embodiment is only the utility model a part of the embodiment, rather than whole realities
Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art institute without making creative work
The every other embodiment obtained, fall within the protection scope of the utility model.
In the conceived case, the same or similar part that the various pieces in attached drawing are mentioned will use identical attached drawing
Label.
Fig. 1 is the preceding axonometric schematic diagram according to the display device of the utility model one embodiment.
As shown in Figure 1, display device may include: frame 2；And display screen 6, the camera assembly of setting on the frame 2
23, microphone assembly 12, voice pretreatment circuit board 14 and main circuit board 22, the main circuit board 22 include face recognition module and
Speech recognition module；Wherein, display screen 6 is electrically connected with main circuit board 22, and microphone assembly 12 and voice pre-process circuit board 14
Electrical connection, camera assembly 23 are electrically connected with face recognition module, and voice pretreatment circuit board 14 is electrically connected with speech recognition module.
Specifically, frame 2 is used as load bearing component, can be used for fixed display screen 6, camera assembly 23, microphone assembly 12,
Voice pre-processes circuit board 14 and main circuit board 22.Herein, the part that display screen 6 is corresponded on frame 2, which can be, to be vertically arranged
, it is also possible to non-vertical setting, i.e., there are certain angles with vertical direction, here for corresponding to display screen 6 on frame 2
Part whether be vertically arranged without limitation.Specifically, frame 2 in addition to may include corresponding display screen 6 part, can be with
Part including for example corresponding to main circuit board 22.When the part that display screen 6 is corresponded on frame 2 be it is non-be vertically arranged, and frame 2
The part of upper corresponding main circuit board 22 is when being vertically arranged, and two parts frame 2 can be fixed by way of docking, example
Such as, the angle of docking can be obtuse angle.
Main circuit board 22 can refer to the mainboard for being equipped with main circuit system, and the inside of display device is arranged in.Camera shooting
Component 23 can be used for obtaining the face image of user, so that main circuit board 22 carries out recognition of face according to the face image.Example
Such as, in banking system, display device can be confirmed by identity of the face identification functions to user, in order to identity
Accurate verification.Again for example, in market, display device can by face identification functions to age of user and gender etc. into
Row confirmation, in order to provide the product introduction etc. for catering to user preferences for user.It should be appreciated that camera assembly 23 is in addition to that can use
In outside recognition of face, common camera shooting can also be carried out.For example, camera assembly 23 can take pictures to user, so as to corresponding
Background system can save user information.
Similarly, microphone assembly 12 can be used for obtaining the voice of user, so that main circuit board 22 can be according to the language
Sound carries out speech recognition.For example, display device can recall user by speech identifying function and think understanding in banking system
Financing project or self-service business to be handled etc..Again for example, in market, display device can rely on speech identifying function tune
User wants the product understood or shopping guide's guide in market etc. out.
Further, for main circuit board 22 before the voice included to microphone assembly 12 carries out speech recognition, voice is pre-
Processing circuit plate 14 can first pre-process the voice that this is included, in order to reduce speech recognition module in main circuit board 22
Processing difficulty.For example, voice pretreatment circuit board 14 pretreatment project may include reduce noise, enhancing voice and really
The source direction etc. of attribute sound in order to judge whether the source direction of the voice belongs in identification direction, and then avoids master
Speech recognition module on circuit board 22 identify to the voice being not belonging in identification direction, etc..It should be appreciated that microphone
Component 12 can also carry out common recording other than it can be used for speech recognition.For example, according to the demand of service content or
The demand of user, microphone assembly 12 can record etc. to the voice of user.
In addition to this, according to the demand of application scenarios, display device may further include iris recognition component, fingerprint is known
At least one of identifications components such as other component, identity card identification component and scan components.Correspondingly, main circuit board 22 can
With further comprise the iris recognition module being electrically connected respectively with said modules, fingerprint identification module, identity card identification module and
Scanning information identification module etc., to realize respective function.It should be appreciated that including simultaneously 23 He of camera assembly in display device
When iris recognition component, camera assembly 23 and iris recognition component may exist the situation that camera 9 shares.
The utility model embodiment passes through, and the camera assembly 23 for realizing recognition of face is arranged on the display apparatus and uses
In the microphone assembly 12 for realizing speech recognition, so that user can pass through microphone assembly 12 and/or camera assembly 23
It interacts with display device, is targetedly serviced so that display device can provide for user.
Fig. 2 is the schematic layout pattern of the camera assembly 23 and microphone assembly 12 according to the utility model one embodiment.
In one embodiment of the utility model, for the ease of obtaining the face image of user, camera assembly 23 can be with
The top of display screen 6 is set, wherein as shown in Fig. 2, camera assembly 23 may include fixed bracket 11 on the frame 2, with
The fixed frame 10 that bracket 11 is rotatablely connected and the camera 9 being arranged on fixed frame 10.
Specifically, fixed frame 10 and the rotation connection of bracket 11 may insure that the camera angle of camera 9 is adjustable, with
Different user's height demands can be met.It should be appreciated that the camera angle of camera 9 can be manually adjusted by manager,
It can also be automatically adjusted by regulating device, here without limitation for the regulative mode of camera angle.
In one embodiment of the utility model, for the ease of radio reception, microphone assembly 12 and voice pre-process circuit
Plate 14 can be set in the top of display screen 6.Herein, as shown in Fig. 2, microphone assembly 12 may include microphone, fixation
The fixed plate of microphone and the rear cover 13 of package microphone, wherein fixed plate can fix on the frame 2, as shown in Figure 1, and
The first through hole that the top of the lug boss of fixed plate can pass through frame 2 is downward.
Specifically, rear cover 13, which wraps up the space formed after microphone, can be used as the sound chamber of microphone, in order to microphone
Radio reception.The surface that lug boss is provided on the top of the lug boss of fixed plate and fixed plate can be non-parallel setting, and
It is there are certain angle, so that the first through hole that the top of lug boss can pass through frame 2 is downward, in order to which user can
Pronounced with coming back towards microphone, and then ensures that the source direction of user voice may be at the knowledge of voice pretreatment circuit board 14
In other direction.
In one embodiment of the utility model, for the ease of watching and enhancing the effect of publicity, the size of display screen 6 can
To be preferably greater than to be equal to 32 cun, it is less than or equal to 65 cun.Since the size of display screen 6 is larger, and then cause to be provided with the display
The sized display of screen 6 is also larger.For example, when the size of display screen 6 is 55 size, the whole height of display device can be with
More than the height of normal person.At this point, the top of the lug boss of fixed plate can pass through for the ease of the radio reception of microphone assembly 12
The first through hole of frame 2 is downward.
If the height of the whole height and normal person that should be appreciated that display device maintains an equal level, the top of the lug boss of fixed plate
End can pass through the first through hole of frame 2 forward, i.e., towards user.In addition, when display device is bowed convenient for user and watched, Gu
The first through hole that the top of the lug boss of fixed board can also pass through frame 2 is upward, here for the top of lug boss towards not
It limits.
In one embodiment of the utility model, shown for the ease of user's operation also for the experience sense of enhancing user
Display screen 6 can have touch function.
In one embodiment of the utility model, in order to avoid the sound inside display device is also by microphone assembly 12
Foamed cotton layer has can be set in the side of radio reception, rear cover 13 towards microphone, to be effectively isolated to microphone sound chamber.
For example, display device can play the advertisement with sound, correspondingly, the inside of display device can be set useful
In the loudspeaker 20 etc. to amplify.Herein, foamed cotton layer can be with sound-absorbing, and then amplifying for loudspeaker 20 is effectively reduced and is included by microphone.
In one embodiment of the utility model, as shown in Figure 1, for beauty, also for avoiding influencing each other, image
The side of microphone assembly 12 can be transversely arranged in component 23, wherein frame 2 may include the second through-hole, camera assembly
23 can obtain image by the second through-hole.
Specifically, the camera 9 of camera assembly 23 can pass through the second through-hole to obtain image, can also not pass through second
Whether through-hole passes through the second through-hole without limitation for camera 9 here.It should be appreciated that when camera 9 does not pass through the second through-hole
When, the second through-hole can be covered by glass cover-plate.When camera 9 passes through the second through-hole, the size of the second through-hole can be with
Ensure the angle adjustment of camera 9.
It should be appreciated that other than it can be set on the frame 2, consolidating in microphone assembly 12 is also can be set in the second through-hole
On fixed board, correspondingly, camera assembly 23 can obtain image by the second through-hole in fixed plate, here for the second through-hole
Setting position without limitation.
In one embodiment of the utility model, it is arranged as shown in Fig. 2, display device may further include in frame
The wireless connection antenna 8 at 2 top, wherein be wirelessly connected antenna 8 and be electrically connected with main circuit board 22.
Specifically, being wirelessly connected antenna 8 can be Wi-Fi connection antenna, so that display device is being inconvenient to connect
In the case where cable, network communication can be carried out by Wi-Fi.Herein, through-hole, Wi-Fi has can be set in the top of frame 2
Connecting antenna can be fixed on the frame 2 across the through-hole magnetic.For the ease of signal reception, the quantity of Wi-Fi connection antenna
It can be preferably two, and be separately positioned on the both ends along long side extending direction on 2 top of frame.It should be appreciated that Wi-Fi connection
The quantity of antenna may be one or more than two, here without limitation for the quantity of Wi-Fi connection antenna.
Fig. 3 is the schematic layout pattern according to the display device internal hardware of the utility model one embodiment.
In one embodiment of the utility model, as shown in figure 3, display device may further include crossbeam 7,
In, display screen 6 and crossbeam 7 can be fixed by screws on frame 2, so that display screen 6 can be fixed on crossbeam 7 and frame
Between frame 2.For example, if the size of display screen 6 be 55 cun when, since the size of display screen 6 is larger, for fixation, crossbeam 7
Quantity can be preferably two.It should be appreciated that the quantity for crossbeam 7 and without limitation here.
In one embodiment of the utility model, as shown in figure 3, frame 2 may include the frame positioned at 6 lower section of display screen
Frame plate 27 and the frame 25 of left and right two perpendicular to frame plate 27.Display device, which may further include, is separately positioned on two sides
The box cover of loudspeaker 20, package loudspeaker 20 on frame 25, the power amplifier circuit board 5 being arranged on frame plate 27 and amplifier power supply circuit board
4 and fixed frame 2 pedestal 1, wherein loudspeaker 20 are electrically connected with power amplifier circuit board 5, power amplifier circuit board 5 and amplifier power supply electricity
Road plate 4 is electrically connected, and main circuit board 22 is fixed on pedestal 1 and frame 2.
Specifically, in order to meet the lightening market demand, on the thickness direction of display screen 6, corresponding display on frame 2
The portion size of screen 6 is relatively thin, and the portion size of associated frame members plate 27 can be thicker on frame 2, in order to fixed loudspeaker 20.?
Here, which is the frame 25 of above-mentioned left and right two.
In addition, frame 2 can be fixed by screws on pedestal 1, two loudspeaker 20 can pass through wiring and power amplifier
Plate 5 realizes electrical connection, and similarly, power amplifier circuit board 5 can also be electrically connected by wiring with the realization of amplifier power supply circuit board 4.For
Protection main circuit board 22, main circuit board 22 can be set in cabinet, and main circuit board 22 can be fixed on bottom by cabinet
On seat 1 and frame 2.
In one embodiment of the utility model, it is arranged as shown in figure 3, display device may further include in pedestal
The foot pad 26 of 1 bottom.
Specifically, the bottom of pedestal 1 can be rectangle, and foot pad 26 can be separately positioned on four apex angles of bottom, and
Foot pad 26 can be height adjustable screw, to realize the adjustment to display device levelness.
It should be appreciated that foot pad 26 is also possible to stoppable idler wheel.Herein, stoppable idler wheel may include stoppable component
And idler wheel.When display device needs shift position, stoppable component can be packed up, so that display device can rely on idler wheel
It is mobile to carry out position.When display device needs to be fixed on placement location, stoppable component can be put down, to prevent idler wheel from rolling
It is dynamic, and then realize that the position of display device is fixed.
Fig. 4 is the rear isometric schematic diagram according to the display device of the utility model one embodiment.
In one embodiment of the utility model, as shown in Figure 3 and Figure 4, display device may further include and frame
Frame 2 lid close rear shell 24, wherein two air-out fans 21, the air inlet fan 21 being arranged between two air-out fans 21 and
Audio interface 17, microphone interface 19, universal serial bus (USB) interface 16 and the network interface being electrically connected with main circuit board 22
18 are arranged in rear shell 24.Herein, the setting of fan 21 can be with the heat dissipation of device for accelerative displaying.External equipment can pass through
The various interfaces being arranged in rear shell 24 are communicated with display device.
In one embodiment of the utility model, as shown in Figure 3 and Figure 4, display device may further include setting
Power distribution socket 3 (Power Distribution Unit, PDU) on pedestal 1 and the power supply in rear shell 24 is set
Switch and power interface 15, wherein the electricity of the power supply line of main circuit board 22, the power supply line of display screen 6 and amplifier power supply circuit board 4
Source line is plugged on PDU, and power switch and power interface 15 are electrically connected with PDU, in order to which PDU is these components distribution electricity
Source.
Specifically, the switch whether power switch can be powered for control display device, PDU can pass through power interface 15
It is electrically connected with city.For example, power interface 15 can be product prefix interface, one end of connecting line can be plugged on the product prefix interface
On, the other end can be plugged in commercial power socket, to realize the connection of PDU and alternating current, and then realize PDU as display dress
Each electrical component in setting distributes power supply.
In one embodiment of the utility model, display device may further include the light bar of setting on the frame 2,
Wherein, light bar can be set in the front of display device, for showing the brand name of display device, and the power supply line of light bar
It can be plugged on power distribution socket 3.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, made any modification, equivalent replacement etc. should be included in the protection of the utility model
Within the scope of.
Claims (13)
1. a kind of display device characterized by comprising
Frame；And
Display screen, camera assembly, microphone assembly, voice pretreatment circuit board and main circuit board on said frame is set,
The main circuit board includes face recognition module and speech recognition module；
Wherein, the display screen is electrically connected with the main circuit board, and the microphone assembly and the voice pre-process circuit board
Electrical connection, the camera assembly are electrically connected with the face recognition module, and the voice pretreatment circuit board and the voice are known
Other module electrical connection.
2. display device according to claim 1, which is characterized in that the upper of the display screen is arranged in the camera assembly
Side, wherein the camera assembly includes fixed bracket on said frame, the fixed frame connecting with the holder pivots and sets
Set the camera on the fixed frame.
3. display device according to claim 1, which is characterized in that the microphone assembly and voice pretreatment electricity
The top of the display screen is arranged in road plate, wherein the microphone assembly includes the fixation of microphone, the fixed microphone
Plate and the rear cover for wrapping up the microphone, the fixed plate is fixed on said frame, the top of the lug boss of the fixed plate
First through hole across the frame is downward.
4. display device according to claim 3, which is characterized in that the rear cover is arranged towards the side of the microphone
There is foamed cotton layer.
5. display device according to claim 3, which is characterized in that the Mike is transversely arranged in the camera assembly
The side of wind component, the frame include the second through-hole, wherein the camera assembly obtains shadow by second through-hole
Picture.
6. display device according to claim 1, which is characterized in that further comprise crossbeam, wherein the display screen is solid
It is scheduled between the crossbeam and the frame.
7. display device according to claim 1, which is characterized in that the frame includes being located at below the display screen
Frame plate and the frame of left and right two perpendicular to the frame plate, the display device further comprises being separately positioned on two institutes
State the loudspeaker on frame, the box cover for wrapping up the loudspeaker, the power amplifier circuit board being arranged on the frame plate and amplifier power supply electricity
The pedestal of road plate and the fixed frame, wherein the loudspeaker are electrically connected with the power amplifier circuit board, the power amplifier
Plate and the amplifier power supply circuit board electrical connection, the main circuit board are fixed on the pedestal and the frame.
8. display device according to claim 7, which is characterized in that it further comprise the rear shell closed with the frame cover,
Wherein, it two air-out fans, the air inlet fan that is arranged between described two air-out fans and is electrically connected with the main circuit board
Audio interface, microphone interface, Universal Serial Bus Interface and the network interface connect is arranged in the rear shell.
9. display device according to claim 8, which is characterized in that further comprise the power supply of setting on the base
Distribution socket and the power switch and power interface being arranged in the rear shell, wherein the power supply line of the main circuit board, institute
The power supply line of the power supply line and the amplifier power supply circuit board of stating display screen is plugged on the power distribution socket, the electricity
Source switch and the power interface are electrically connected with the power distribution socket.
10. display device according to claim 9, which is characterized in that further comprise the lamp of setting on said frame
Band, wherein the power supply line of the light bar is plugged on the power distribution socket.
11. display device according to any one of claim 1 to 9, which is characterized in that further comprise being arranged described
The wireless connection antenna at the top of frame, wherein the wireless connection antenna is electrically connected with the main circuit board.
12. display device according to any one of claim 1 to 9, which is characterized in that the size of the display screen is big
In being equal to 32 cun, it is less than or equal to 65 cun；And/or the display screen has touch function.
13. display device according to any one of claims 7 to 10, which is characterized in that further comprise being arranged in institute
State the foot pad of base bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822148790.4U CN209056266U (en) | 2018-12-20 | 2018-12-20 | Display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822148790.4U CN209056266U (en) | 2018-12-20 | 2018-12-20 | Display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209056266U true CN209056266U (en) | 2019-07-02 |
Family
ID=67055205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822148790.4U Active CN209056266U (en) | 2018-12-20 | 2018-12-20 | Display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209056266U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021243879A1 (en) * | 2020-06-05 | 2021-12-09 | 京东方科技集团股份有限公司 | Display substrate and display apparatus |
-
2018
- 2018-12-20 CN CN201822148790.4U patent/CN209056266U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021243879A1 (en) * | 2020-06-05 | 2021-12-09 | 京东方科技集团股份有限公司 | Display substrate and display apparatus |
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