CN207571994U - Ground is oriented to, ad display screen - Google Patents
Ground is oriented to, ad display screen Download PDFInfo
- Publication number
- CN207571994U CN207571994U CN201720837702.4U CN201720837702U CN207571994U CN 207571994 U CN207571994 U CN 207571994U CN 201720837702 U CN201720837702 U CN 201720837702U CN 207571994 U CN207571994 U CN 207571994U
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- Prior art keywords
- oriented
- display screen
- glass
- support
- display module
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- Expired - Fee Related
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- 238000004512 die casting Methods 0.000 claims abstract description 44
- 239000011521 glass Substances 0.000 claims description 55
- 239000004411 aluminium Substances 0.000 claims description 31
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 31
- 229910052782 aluminium Inorganic materials 0.000 claims description 31
- 230000017525 heat dissipation Effects 0.000 claims description 13
- 239000011324 bead Substances 0.000 claims description 11
- 239000003351 stiffener Substances 0.000 claims description 11
- 238000005538 encapsulation Methods 0.000 claims description 10
- 230000000694 effects Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
Landscapes
- Illuminated Signs And Luminous Advertising (AREA)
- Road Signs Or Road Markings (AREA)
Abstract
It is oriented to the utility model discloses a kind of ground, ad display screen, die casting back box including being used to showing the display module of navigation information and advertising information with service condition and for being inlaid in underground, display module includes light-emitting surface and radiating surface directed downwardly upward, the support member for being used to support display module is provided among die casting back box, support member is provided with thermal conductive surface, and radiating surface and thermal conductive surface are in contact.The ground of the utility model is oriented to, ad display screen, can effectively be radiated to display screen, the long-time of heat is avoided to gather, so as to avoid reducing the service life of display screen.
Description
Technical field
The utility model is related to advertisement, direction board field is oriented to, it is especially a kind of to be applied to high ferro, subway, airport, station
And the ground of harbour etc. is oriented to, ad display screen.
Background technology
In crowded places such as subway station, railway station or high ferro stations, it is essential that the stream of people, which is oriented to instruction device,
Communal facility device can effectively guide the moving direction of the stream of people in the case of crowded.Existing railway station or high ferro
The place of waiting stood etc. is often provided with the different direction boards such as warning sign mark, train number mark and station identification, and each refers to
Show that the color of board, effect are different from, such as when the platform can park the train of 4 train number different sizes, then each train number
Train must be all identified there are one station identification board, such as represent the different coach numbers of 4 train numbers respectively using 4 kinds of colors, but
Often passenger does not know that the station identification board of each color represents the coach number of which train number, therefore this traditional direction board
It very easily makes one to generate identification mistake, so as to will appear the problem of misleading passenger.And when the stream of people is in high density, surrounding
Environment can be blocked by adjacent people, therefore under the high environment of crowded degree, the stream of people of surrounding is oriented to instruction device
It is invisible, but since everyone can notice the situation on ground, the guider of setting on the ground when walking
It is that the most effective stream of people is oriented to instruction device.Existing ground guider generally all includes one for being embedded in the bottom of underground
Box, due to needing to place electric wire, power supply and driving plate etc. among back box, display screen can be placed by the edge support of back box
In the surface of back box.Among the guider of ground, display screen is the big device of calorific value, but due between display screen and back box
It is only attached by the edge of back box, therefore when display screen adstante febre, heat can be radiated the inside of back box and the bottom of at
The inside of box is gathered, when display screen accelerated ageing when the temperature is excessively high, is easy to cause in back box the problem of, so as to drop significantly
The service life of low display screen.
Utility model content
To solve the above problems, be oriented to the purpose of this utility model is to provide a kind of ground, ad display screen, it can be right
Display module is effectively radiated, and the long-time of heat is avoided to gather, so as to avoid reducing the service life of display screen.
Technical solution is used by the invention for solving the technical problem：
Ground is oriented to, advertisement display module, including being used to show the display module of navigation information and advertising information and be used for
The die casting back box of underground is inlaid in, display module includes light-emitting surface and radiating surface directed downwardly upward, set among die casting back box
The support member of support display module is useful for, support member is provided with thermal conductive surface, and radiating surface and thermal conductive surface are in contact.
Further, support member includes one or more of support level, supporting block and supporting rib stiffener, support level
It is set along the edge of die casting back box, supporting block and supporting rib stiffener may be contained within the inside of die casting back box, support level, supporting block
The face contacted respectively with display module with supporting rib stiffener is thermal conductive surface.
Further, display module includes aluminium sheet and is welded with the pcb board of LED lamp bead, and aluminium sheet and pcb board are stacked,
Pcb board is welded with the one side of LED lamp bead as light-emitting surface, and the opposite surface of aluminium sheet and the joint face of PCB plates is radiating surface.
Further, the thermal hole of pcb board is provided through among pcb board, light-emitting surface is connected by thermal hole with aluminium sheet.
Further, heat-conducting medium is provided between aluminium sheet and pcb board.
Further, aluminium sheet and pcb board one cast molding.
Further, the glass for protecting display module is further included, support member further includes glass support step, glass branch
Cushion cap rank be set to the top of support level and with support level into a ladder, glass is set on glass support step.
Further, waterproof apron is provided between glass and glass support step, is set among glass support step useful
In the groove for placing waterproof apron.
Further, the encapsulation frame for glass being fixed among die casting back box is further included, encapsulation frame is engraved in centre
Empty shape, support member further include frame bearing step, frame bearing step be set on glass support step and with glass branch
Into a ladder, encapsulation frame is set on frame bearing step and while a part of phase with glass for cushion cap rank and support level
Contact.
Further, the through-hole and/or U-type groove for facilitating wiring are provided among support member.
The beneficial effects of the utility model are：Ground is oriented to, advertisement display module, can be shown not with service condition
Same guiding instruction information, so as to avoid the problem that misleading identification caused by a variety of guiding direction boards, additionally it is possible in train not
Advertising information is played when arriving at a station, so as to increase enjoyment when passenger waits；Die casting back box can be flush-mounted in underground, can make
It is concordant with ground to obtain the display module being mounted on die casting back box, therefore can ensure the planarization on ground；Display module is pacified
It is concordant with ground on die casting back box, and display module is luminous face-up, therefore can effectively show on the ground
Instruction information is oriented to, passenger is facilitated to be arrived at according to instruction is oriented to；The heat dissipation of display module is face-down so that by showing
The heat that module is sent out is spread to underground, therefore heat can be avoided up to spread and passenger is made to feel uncomfortable；Support member
Display module can not only effectively be supported so that display module, which can be stablized, to be installed on die casting back box, and is propped up
Thermal conductive surface in the part of support part is in contact and fits closely with the radiating surface of display module, therefore, the heat sent out by display module
Amount can be efficiently transmitted on thermal conductive surface by radiating surface, among heat is transmitted to die casting back box, and is pressed
The area for casting back box is larger, and the outer surface of die casting back box and underground good contact, therefore heat can be from die casting back box
Outer surface is rapidly transmitted to underground and is diffused along underground, so as to reach efficient heat dissipation effect, ensures display
Module is at suitable working environment.Therefore, the ground guiding, advertisement display module of the utility model, can be to display
Module is effectively radiated, and the long-time of heat is avoided to gather, so as to avoid reducing the service life of display module.
Description of the drawings
The utility model is described in further detail with example below in conjunction with the accompanying drawings.
Fig. 1 be the ground of the utility model be oriented to, the schematic diagram of ad display screen；
Fig. 2 be the ground of the utility model be oriented to, the sectional view of ad display screen；
Fig. 3 is the schematic diagram of part A in Fig. 2；
Fig. 4 is the schematic diagram of die casting back box；
Fig. 5 is the schematic diagram of part B in Fig. 4；
Fig. 6 is the stepped construction figure between pcb board and aluminium sheet；
Fig. 7 be the ground of the utility model be oriented to, the exploded perspective view of ad display screen.
Specific embodiment
With reference to Fig. 1-Fig. 7, the ground guiding of the utility model, ad display screen, including showing and leading with service condition
Display module 1 to information and advertising information and the die casting back box 2 for being inlaid in underground, display module 1 include hair upward
Smooth surface and radiating surface directed downwardly are provided with the support member for being used to support display module 1 among die casting back box 2, and support member is set
Thermal conductive surface is equipped with, radiating surface and thermal conductive surface are in contact.Specifically, the ground guiding of the utility model, ad display screen, Neng Gousui
It service condition and shows different guiding instruction information, so as to avoid misleading identification caused by a variety of guiding direction boards and mix
The problem of disorderly unclear, additionally it is possible to advertising information is played when train does not arrive at a station, so as to increase enjoyment when passenger waits；Die casting bottom
Box 2 can be flush-mounted in underground, enable to the display module 1 being mounted on die casting back box 2 concordant with ground, therefore
It can ensure the planarization on ground；Display module 1 is concordant with ground on die casting back box 2, and the hair of display module 1
Smooth surface upward, therefore can effectively show guiding instruction information on the ground, and passenger is facilitated to reach purpose according to instruction is oriented to
Ground；The heat dissipation of display module 1 is face-down so that is spread from the heat that display module 1 is sent out to underground, therefore can avoid heat
It up spreads and passenger is made to feel uncomfortable；Support member can not only effectively support display module 1 so that display
Module 1, which can be stablized, to be installed on die casting back box 2, and the thermal conductive surface in support member connects with the radiating surface of display module 1
Touch and fit closely, therefore, the heat sent out by display module 1 can be efficiently transmitted to by radiating surface thermal conductive surface it
On, among heat is transmitted to die casting back box 2, and the area of die casting back box 2 is larger, and die casting back box 2 is outer
Surface and underground good contact, therefore heat can rapidly be transmitted to underground and along underground from the outer surface of die casting back box 2
It is diffused, so as to reach efficient heat dissipation effect, ensures that display module 1 is at suitable working environment.Therefore,
The ground of the utility model is oriented to, ad display screen, can effectively be radiated to display module 1, avoid heat it is long when
Between gather, so as to avoid reduce display module 1 service life.
Wherein, with reference to Fig. 2-Fig. 5, support member includes one in support level 21, supporting block 22 and supporting rib stiffener 23
A or multiple, support level 21 is set along the edge of die casting back box 2, and supporting block 22 and supporting rib stiffener 23 may be contained within die casting bottom
The inside of box 2, the face that support level 21, supporting block 22 and supporting rib stiffener 23 are contacted respectively with display module 1 is to lead
Hot face.Specifically, display module 1 can with one or more of support level 21, supporting block 22 and supporting rib stiffener 23 into
Row connection, therefore, the radiating surface of display module 1 can pass through the heat conduction of support level 21, supporting block 22 or supporting rib stiffener 23
Face and among heat is transmitted to die casting back box 2, and heat is dissipated by the outer surface that die casting back box 2 is used to connect with underground
It sends out, so as to play good heat dissipation effect.
Wherein, with reference to Fig. 2 and Fig. 6, display module 1 includes aluminium sheet 8 and is welded with the pcb board 9 of LED lamp bead 7,8 He of aluminium sheet
Pcb board 9 is stacked, and pcb board 9 is welded with the one sides of LED lamp beads 7 as light-emitting surface, pair of aluminium sheet 8 and the joint face of pcb board 9
It is radiating surface to face.Specifically, LED lamp bead 7 is welded in the upper surface of pcb board 9, and aluminium sheet 8 is then tightly attached to the bottom surface of pcb board 9,
Therefore, can the be accurately passed through bottom surface of pcb board 9 of the heat sent out by LED lamp bead 7 is transmitted on aluminium sheet 8.And due to aluminium
The opposite surface of the joint face of plate 8 and pcb board 9 is radiating surface, i.e. pcb board 9 and aluminium sheet 8 is stacked and aluminium sheet 8 and support portion
Part is connected, and therefore, being transmitted to the heat on aluminium sheet 8 can be effectively conducted by radiating surface on support member, i.e. aluminium sheet 8
On heat can effectively be transmitted to die casting back box 2, thus allow for good radiating treatment.
Wherein, with reference to Fig. 2 and Fig. 6, the thermal hole 91 of pcb board 9 is provided through among pcb board 9, light-emitting surface passes through heat conduction
Hole 91 is connected with aluminium sheet 8.Specifically, thermal hole 91 connects two surfaces of pcb board 9, therefore sent out by LED lamp bead 7
Heat can effectively be transmitted to the bottom surface of pcb board 9 by thermal hole 91, and pass through aluminium sheet 8 and the successively biography of support member
It leads, is ultimately conducted among die casting back box 2, so as to be dispersed into the earth by the outer surface of die casting back box 2, complete good heat dissipation
Processing.
Specifically, heat-conducting medium, such as heat conductive rubber etc., heat-conducting medium energy can be provided between aluminium sheet 8 and pcb board 9
Conduction efficiency of the heat between pcb board 9 and aluminium sheet 8 is enough improved, so as to further improve heat dissipation effect.
Specifically, integrated cast molding, the pcb board 9 and aluminium of integrated cast molding are can also be between aluminium sheet 8 and pcb board 9
Plate 8 forms an entirety, therefore the heat sent out by LED lamp bead 7 can quickly move through aluminium sheet 8 and be transmitted to die casting back box 2,
So as to improve the efficiency of heat dissipation.In addition, the seam of infiltration can be avoided the occurrence of between the integrated pcb board 9 of cast molding and aluminium sheet 8
Gap so as to improve the effect of waterproof, avoids moisture attacks that LED lamp bead 7 is present among die casting back box 2 and causes to send out
The problem of raw short circuit.
Wherein, with reference to Fig. 2-Fig. 5, the ground guiding of the utility model, ad display screen further include to show mould for protecting
The glass 3 of block 1, support member further include glass support step 24, and glass support step 24 is set to the top of support level 21
And with support level 21 into a ladder, glass 3 is set on glass support step 24.Specifically, glass support step 24 is set
Be placed in the top of support level 21 and with support level 21 into a ladder, i.e., the area of glass 3 be more than display module 1 area,
And glass 3 is completely covered on the top of display module 1, and therefore, steam is appeared between glass 3 and glass support step 24
During gap, steam can be limited by glass 3 and glass support step 24, therefore steam can not be entered among display module 1,
So as to play good waterproof effect.
Wherein, with reference to Fig. 2-Fig. 5, waterproof apron 4, glass support platform are provided between glass 3 and glass support step 24
The groove 5 for placing waterproof apron 4 is provided among rank 24.Specifically, fluted 5 are set among glass support step 24,
And waterproof apron 4 is then arranged among groove 5, therefore when glass 3 is mounted among glass support step 24, glass 3 can be tight
Be pressed on waterproof apron 4, so, waterproof apron 4 can further obstruct steam, prevent steam enter display module 1 it
In and cause display module 1 that short circuit occurs.
Wherein, with reference to Fig. 2-Fig. 6, the encapsulation frame 6 for glass 3 being fixed among die casting back box 2 is further included, is encapsulated
Frame 6 is in intermediate Openworks shape, and support member further includes frame bearing step 25, and frame bearing step 25 is set to glass support platform
On rank 24 and with glass support step 24 and support level 21 into a ladder, encapsulation frame 6 is set to frame bearing step 25
On and simultaneously be in contact with a part for glass 3.Specifically, frame bearing step 25 be set to glass support step 24 it
Above and with glass support step 24 and support level 21 into a ladder, so glass 3 can be fixed on glass by encapsulation frame 6
Among supporting step 24, and frame 6 is encapsulated in intermediate Openworks shape, therefore encapsulate frame 6 to interfere the effective of display module 1
Display.Encapsulation frame 6 is set on frame bearing step 25 and the part with glass 3 is in contact simultaneously, therefore encapsulates side
Frame 6 can prevent steam from being entered in die casting back box 2 from outside by the gap between glass 3 and glass support step 24
Portion, so as to play good waterproof effect.
Wherein, the through-hole and/or U-type groove for facilitating wiring are provided among support member.Specifically, die casting back box 2
Be internally provided with the components such as electric power driving module, wireless communication module or control process module, and lead between all parts
Electric wire is crossed to be connected, it is clear in order to facilitate the wiring between all parts inside die casting back box 2, it is set among support member
There are through-hole and/or U-type groove, electric wire is shuttled by through-hole and/or U-type groove in the inside of die casting back box 2, can not only be each portion
Part effectively connects, and wiring can be made succinctly to facilitate, additionally it is possible to electric wire be avoided to be passed through from the top of support member and influence to prop up
Effective connection of support part part and display module 1, so that support member can carry out display module 1 effective heat biography
It leads.
The ground of the utility model is oriented to, ad display screen, not only with good heat-sinking capability and waterproof, anti-steam energy
Power, can prolonged application under buried environment；Also there is multi-display function, it can be according to different train numbers, different location
The variation of information and be updated display in time；And also there is abundant advertisement broadcasting function, can not also arrive at a station in train
When to passenger play different advertising information, so as to improve the enjoyment of waiting of passenger.And existing traditional direction board, such as hang
Formula is oriented to indicator panel, vertical guiding indicator panel and ground is embedded is oriented to direction board etc., display information be all it is changeless,
Each, which is oriented to indicator panel or is oriented to direction board, can only all indicate a kind of information, for example, the car position of train, warning against danger and
Position instruction etc., therefore, traditional guide plate do not simply fail to the multi-level needs for meeting function, and can not meet advertisement letter
The update of breath and navigation information needs.Relative to traditional guide plate, the ground guiding of the utility model, ad display screen, tool
There is the characteristics of information update is timely, therefore a ground is oriented to, ad display screen may replace a variety of different traditional direction boards,
Not only save equipment cost, additionally it is possible to save locational space.And some existing electronics are oriented to and are shielded, it needs to be arranged on spaciousness
In the environment of, and need to radiate to it using air-conditioning, and when it carries out presentation of information, internal LED
It can light, at this point, can generate a large amount of heat inside it, when that cannot carry out radiating treatment in time, these heats can lead to light
It learns device and serious optical attenuation occurs, so as to seriously affect the service life that electronics is oriented to screen, therefore on current market not yet
Producer being capable of the good ground guiding of the quality of production, ad display screen.And the ground of the utility model is oriented to, ad display screen,
It can realize good heat dissipation effect, it, can by contacting with each other for the thermal conductive surface of the radiating surface and support member of display module 1
Effectively the heat of display module 1 is distributed, so as to play efficient heat dissipation effect, therefore is not in optical device light decay
Subtract the problem of serious, so as to ensure its permanent service life.
The Embedded electronics in existing some ground is oriented to screen, since prolonged application is under buried environment, and its waterproof and
The problem of anti-steam, can not be resolved well, therefore, even if this electronics is oriented to screen and is placed in the box parts of sealing, and
Even if its waterproof effect reaches the standard of more than IP68, but its internal steam problem is up to the present, in the world or
The country, all nobody can solve.Because heat dissipation is not up to standard, therefore at high operating temperatures, internal steam can in component and
It is condensed on circuit, since component and circuit are all in the state of energization, the meeting under the action of steam of component and circuit
Rapid aging, so as to easily there is the danger of explosion under the use of long-term high frequency, since existing product can't solve this
A problem, therefore, international and domestic there is no the market dispensings for carrying out batch to being oriented to display screen in this application field.And this
The ground of utility model is oriented to, ad display screen, can well solve heat dissipation and waterproof under sealing state, anti-steam is asked
Topic, therefore can ensure to keep good service life under conditions of high temperature is sealed, in addition, the ground of the utility model is led
To the volume very little of, ad display screen, the problem of volume of existing product is excessive is can effectively solve the problem that, so as to be suitable for height
The different application environment such as iron, subway, airport, station and harbour.
That the preferable of the utility model is implemented to be illustrated above, but the utility model be not limited to it is above-mentioned
Embodiment, those skilled in the art can also make various be equal without departing from the spirit of the present invention
Deformation is replaced, these equivalent deformations or replacement are all contained in the application claim limited range.
Claims (10)
1. ground is oriented to, ad display screen, it is characterised in that：Including being used to show navigation information and the display module of advertising information
(1) and the die casting back box (2) for being inlaid in underground, the display module (1) include light-emitting surface upward and heat dissipation directed downwardly
Face is provided with the support member for being used to support the display module (1) among the die casting back box (2), and the support member is set
Thermal conductive surface is equipped with, the radiating surface and thermal conductive surface are in contact.
2. ground according to claim 1 is oriented to, ad display screen, it is characterised in that：The support member includes support
One or more of step (21), supporting block (22) and supporting rib stiffener (23), the support level (21) is along the die casting
The edge setting of back box (2), the supporting block (22) and supporting rib stiffener (23) may be contained within the interior of the die casting back box (2)
Portion, what the support level (21), supporting block (22) and supporting rib stiffener (23) were contacted respectively with the display module (1)
Face is the thermal conductive surface.
3. ground according to claim 2 is oriented to, ad display screen, it is characterised in that：The display module (1) is including aluminium
Plate and the pcb board for being welded with LED lamp bead, the aluminium sheet and the pcb board are stacked, and the pcb board is welded with LED lamp bead
It is on one side the light-emitting surface, the opposite surface of the joint face of the aluminium sheet and pcb board is the radiating surface.
4. ground according to claim 3 is oriented to, ad display screen, it is characterised in that：It is provided with and passes through among the pcb board
The thermal hole of the pcb board is worn, the light-emitting surface is connected by the thermal hole with the aluminium sheet.
5. ground according to claim 3 or 4 is oriented to, ad display screen, it is characterised in that：The aluminium sheet and pcb board it
Between be provided with heat-conducting medium.
6. ground according to claim 3 is oriented to, ad display screen, it is characterised in that：The aluminium sheet and pcb board are integrally cast
It is moulded into type.
7. ground according to claim 2 is oriented to, ad display screen, it is characterised in that：It further includes described aobvious for protecting
Show the glass (3) of module (1), the support member further includes glass support step (24), and the glass support step (24) sets
Be placed in the top of the support level (21) and with the support level (21) into a ladder, the glass (3) is set to described
On glass support step (24).
8. ground according to claim 7 is oriented to, ad display screen, it is characterised in that：The glass (3) and glass support
Waterproof apron (4) is provided between step (24), is provided with to place the waterproof among the glass support step (24)
The groove (5) of cushion rubber (4).
9. ground according to claim 7 or 8 is oriented to, ad display screen, it is characterised in that：It further includes for the glass
Glass (3) is fixed on the encapsulation frame (6) among the die casting back box (2), and the encapsulation frame (6) is described in intermediate Openworks shape
Support member further includes frame bearing step (25), and the frame bearing step (25) is set to the glass support step (24)
On and with the glass support step (24) and support level (21) into a ladder, the encapsulation frame (6) is set to described
It is in contact on frame bearing step (25) and with a part for the glass (3) simultaneously.
10. ground according to claim 1 is oriented to, ad display screen, it is characterised in that：It is set among the support member
It is useful for facilitating the through-hole and/or U-type groove of wiring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720837702.4U CN207571994U (en) | 2017-07-11 | 2017-07-11 | Ground is oriented to, ad display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720837702.4U CN207571994U (en) | 2017-07-11 | 2017-07-11 | Ground is oriented to, ad display screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207571994U true CN207571994U (en) | 2018-07-03 |
Family
ID=62697018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720837702.4U Expired - Fee Related CN207571994U (en) | 2017-07-11 | 2017-07-11 | Ground is oriented to, ad display screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207571994U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107909928A (en) * | 2017-07-11 | 2018-04-13 | 江门市宇泉灯饰科技有限公司 | Ground is oriented to, ad display screen |
-
2017
- 2017-07-11 CN CN201720837702.4U patent/CN207571994U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107909928A (en) * | 2017-07-11 | 2018-04-13 | 江门市宇泉灯饰科技有限公司 | Ground is oriented to, ad display screen |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180703 |