CN107229178A - Projection screen fixed mechanism - Google Patents
Projection screen fixed mechanism Download PDFInfo
- Publication number
- CN107229178A CN107229178A CN201710378517.8A CN201710378517A CN107229178A CN 107229178 A CN107229178 A CN 107229178A CN 201710378517 A CN201710378517 A CN 201710378517A CN 107229178 A CN107229178 A CN 107229178A
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- China
- Prior art keywords
- fixed
- projection screen
- crossbeam
- vertical beam
- frame
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/56—Projection screens
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Overhead Projectors And Projection Screens (AREA)
Abstract
The disclosure provides a kind of projection screen fixed mechanism, and the projection screen fixed mechanism of the disclosure includes pedestal, fixed frame, hook, vertical beam and crossbeam, and pedestal is fixed on mounting surface to be installed；Fixed frame is fixed on the projection screen back side, and hook is fixed on fixed frame, hung on pedestal；Vertical beam is located in fixed frame, and Nian Jie with the back side of projection screen；Crossbeam is fixed on fixed frame, and is staggered with vertical beam, and crossbeam is connected with vertical beam.The projection screen fixed mechanism of the disclosure can mitigate weight, be easy to carry and dismount.
Description
Technical field
This disclosure relates to projection screen technical field, in particular to a projection screen fixed mechanism.
Background technology
With the development of optical projection technology, various projector equipments emerge in an endless stream, and obtain the visual experience of people
To lifting.Projection screen is the essential part of projector equipment, image can be projected into projection screen by projecting apparatus
It is upper to be watched.Existing projection screen generally can be divided into hard curtain and supporting part, because hard curtain can preferably avoid ambient light to figure
The influence of picture, and with good rigidity, be hardly damaged, thus be increasingly widely applied.Projection screen is being used
When usually require to be fixed by special mechanism, to ensure image effect.
In the prior art, for when projection screen uses hard curtain, it usually needs be pasted onto projection screen just
Property backboard surface, then such as honeycomb aluminum plate, aluminium-plastic panel, steel plate assemble frame in surrounding, then backboard is fixed on into metope etc.
Need to install on the surface of projection screen, so as to realize the fixation of projection screen.But the rigid back weight of monoblock is larger, is difficult
Carry, and once being fixed on after metope, it is difficult to dismantle.
It should be noted that information is only used for strengthening the reason of background of this disclosure disclosed in above-mentioned background section
Solution, therefore can include not constituting the information to prior art known to persons of ordinary skill in the art.
The content of the invention
The purpose of the disclosure is to provide a kind of projection screen fixed mechanism, so at least overcome to a certain extent due to
One or more problem caused by the limitation of correlation technique and defect.
According to an aspect of this disclosure there is provided a kind of projection screen fixed mechanism, including it is pedestal, fixed frame, hook, perpendicular
Beam and crossbeam, the pedestal are fixed on mounting surface to be installed；The fixed frame is fixed on the back side of projection screen, the extension
Hook is fixed on the fixed frame, described to hang on the pedestal；The vertical beam in the fixed frame, and with institute
State the back side bonding of projection screen；The crossbeam is fixed on the fixed frame, and is staggered with the vertical beam, and the horizontal stroke
Beam is connected with the vertical beam.
The projection screen fixed mechanism of the disclosure, can be by fixed frame and vertical beam staggeredly and crossbeam from projection screen
The back side is supported and fixed to projection screen, so as to make projection screen have good flatness, it is to avoid occur it is raised and
The bad phenomenons such as depression, it is ensured that viewing effect, it is to avoid fix the backboard of monoblock at the projection screen back side, advantageously reduce weight；
Simultaneously as fixed frame and vertical beam are fixed with projection screen by bonding mode, be conducive to simplifying structure, be easy to assembling；
In addition, the fixed frame is by hanging on pedestal, so as to dismantle projection screen in the case where not dismantling pedestal, make
It is simple to operate.
It should be appreciated that the general description of the above and detailed description hereinafter are only exemplary and explanatory, not
The disclosure can be limited.
Brief description of the drawings
Accompanying drawing herein is merged in specification and constitutes the part of this specification, shows the implementation for meeting the disclosure
Example, and be used to together with specification to explain the principle of the disclosure.It should be evident that drawings in the following description are only the disclosure
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
These accompanying drawings obtain other accompanying drawings.
Fig. 1 is the structural representation of the embodiment of disclosure projection screen fixed mechanism one.
Fig. 2 is the installation diagram of disclosure projection screen fixed mechanism and projection screen.
Fig. 3 is the installation diagram of fixed frame in Fig. 2.
Fig. 4 is the explosive view of fixed frame in Fig. 2.
Fig. 5 is the enlarged drawing in A portions in Fig. 1.
Fig. 6 is the enlarged drawing in B portions in Fig. 1.
Fig. 7 is the hook and the partial sectional view at upper fixed beam cooperation of disclosure projection screen fixed mechanism.
Fig. 8 is that the pedestal of disclosure projection screen fixed mechanism is installed on the schematic diagram of mounting surface；
Fig. 9 is the top view of the upper fixed beam of disclosure projection screen fixed mechanism.
The mouldings of Figure 10 disclosure projection screen fixed mechanisms partial sectional view Nian Jie with projection screen.
The frames of Figure 11 disclosure projection screen fixed mechanisms partial sectional view Nian Jie with projection screen.
Embodiment
Example embodiment is described more fully with referring now to accompanying drawing.However, example embodiment can be with a variety of shapes
Formula is implemented, and is not understood as limited to embodiment set forth herein；On the contrary, thesing embodiments are provided so that the present invention will
Fully and completely, and by the design of example embodiment those skilled in the art is comprehensively conveyed to.Identical accompanying drawing in figure
Mark represents same or similar structure, thus will omit their detailed description.
Although using the term of relativity in this specification, such as " on ", " under " come describe a component of icon for
The relativeness of another component, but these terms are used in this specification merely for convenient, for example with reference to the accompanying drawings described in
The direction of example.Be appreciated that, if making it turn upside down the upset of the device of icon, describe " on " component general
Can turn into " under " component.The term of other relativities, also makees have similar contain such as " height ", " low ", " top ", " bottom "
Justice.When certain structure other structures " on " when, it is possible to refer to that certain structural integrity is formed in other structures, or refer to certain structure
" direct " is arranged in other structures, or is referred to certain structure and be arranged on by another structure " indirect " in other structures.
Term " one ", " one ", " described " to represent to exist one or more elements/part/etc.；Term " bag
Include " and " having " to represent it is open be included look like and refer to that the key element/part/except listing waits it
It is outer also may be present other key element/part/etc..
Disclosure embodiment provides a kind of projection screen fixed mechanism, needs to install for projection screen to be fixed on
On the mounting surface 8 of projection screen, such as Fig. 1~Figure 11, the projection screen fixed mechanism described in present embodiment can include pedestal
1st, fixed frame 2, vertical beam 3, crossbeam 4 and hook 5.
In the present embodiment, such as Fig. 1, Fig. 8 and Fig. 9, pedestal 1 is securable on mounting surface 8 to be installed, mounting surface 8
Can be that metope etc. needs to install the surface of projection screen 7；Pedestal 1 can include upper fixed beam 101 and lower fixed beam 102, its
In：
Upper fixed beam 101 can be hollow or solid column structure, and its cross section can be circle, rectangle, trapezoidal etc.；Or
Person, upper fixed beam 101 can also be formed through convolution by platy structure, and certainly, upper fixed beam 101 can also use other knots
Structure, will not enumerate herein.The length of upper fixed beam 101 can be depending on the width according to projection screen 7, for example, upper fixed beam
101 length may be less than or equal to the width of projection screen 7, to ensure that projection screen 7 can be completely covered by upper fixed beam 101；On
Depending on the size and viewing distance of the visual projection screen 7 of setting height(from bottom) of fixed beam 101.Upper fixed beam 101 can pass through bolt, spiral shell
The connector levels such as nail are fixed on mounting surface 8 to be installed, or, upper fixed beam 101 can also pass through the other manners such as clamping
It is fixed on mounting surface 8.
Lower fixed beam 102 can also be fixed on above-mentioned mounting surface 8, and lower fixed beam 102 is located at upper fixed beam 101
Depending on the size of the visual projection screen 7 of distance of lower section, lower fixed beam 102 and upper fixed beam 101；The shape of lower fixed beam 102,
Structure snd size refer to above-mentioned upper fixed beam 101, will not be repeated here.
It is only the exemplary illustration to pedestal 1 with the embodiment of top base 1, does not constitute the restriction to pedestal 1, pedestal
1 can also be other structures, for example, pedestal 1 can also be support that flat board or multiple connecting rods are surrounded etc..
In the present embodiment, fixed frame 2 can be fixed on the back side of projection screen 7 by modes such as bonding, clampings；Citing
For, such as Fig. 2~Fig. 4, fixed frame 2 can include moulding 21 and connector 22, wherein：
The quantity of moulding 21 can be multiple, such as 4,5, and multiple mouldings 21 are end to end surrounds frame-type knot
Structure；For example, because projection screen 4 is generally rectangular, therefore moulding 21 can have 4 so that above-mentioned frame-type structure can be
The rectangle frame surrounded by 4 mouldings 21, and each equal Pasting of moulding 21 is in the back side of projection screen 7.Certainly, frame-type structure may be used also
To be other polygonized structures.
The joint of two neighboring moulding 21 is equipped with least one connector 22, and the shape of connector 22 can be according to above-mentioned
Depending on the shape of frame-type structure；For example, when frame-type structure be rectangle frame when, connector 22 can be L-shaped structure, so as to rectangle frame
Corner matching；Two mouldings 21 that the two ends of connector 22 can fit adjacent respectively, and be fixedly connected by snap fit, or
Person, the mode connected using connectors such as screw, bolts is fixedly connected, and can be also fixedly connected using other manner.Moulding 21 is also
Can be hollow structure, the two ends of connector 22 can respectively penetrate in two adjacent mouldings 21 and be fixed by connectors such as bolts
Connection；By two adjacent mouldings 21 by connector 22 connection can also use other modes, not using above-mentioned embodiment as
Limit.
When carrying the fixed frame 2 of above-mentioned embodiment, fixed frame 2 can be split into multiple mouldings 21 and connector 22,
To save space, it is easy to carry, and can be assembled in erecting bed.But the embodiment of above-mentioned fixed frame 2 is merely illustrative
Illustrate, do not constitute the restriction to fixed frame 2, in the other embodiment of the disclosure, fixed frame 2 can also use integral type
Structure, is easy to manufacture.
In the present embodiment, fixed frame 2 can be connected with lower fixed beam 102；For example, in fixed frame 2 with lower fixation
The corresponding moulding 21 of beam 102 can be removably fixedly connected by the realization such as adhesive tape, magic tape or the magnet that can mutually adsorb, with
Projection screen 7 is more consolidated, and be easy to dismounting.
In the present embodiment, such as Fig. 5 and Fig. 6, hook 5 can be fixed on by modes such as clamping, bonding or threaded connections
On fixed frame 2, certainly, hook 5 also can be integral type structure with fixed frame 2；For example, hook 5 can have first end and the
Two ends, the first end of hook 5 is secured by bolts in fixed frame 2 on moulding 21 corresponding with upper fixed beam 101, hook 5
Second end can hang on the upper fixed beam 101 of pedestal 1.In addition, the quantity of hook 5 does not do particular determination herein, it can be 1
Or it is multiple, when hook 5 has multiple, multiple hooks 5 can be fixed in side by side on fixed frame 2.
In the present embodiment, such as Fig. 7 and Fig. 9, groove 1011 is offered in upper fixed beam 101, the second end of hook 5 can
Groove 1011 is stretched into, so as to prevent hook 5 from being slipped from upper fixed beam 101；The shape and size of the groove 1011 can be with hook 5
The second end matching so that hook 5 the second end can engage with groove 1011；Or groove 1011 can be more than the second of hook 5
End so that second end can be slided along groove 1011, consequently facilitating the position of regulation projection screen 7.
In the present embodiment, such as Fig. 2, vertical beam 3 can be list structure, and the length of vertical beam 3 is smaller than fixed frame 2, and this is erected
It is in the range of beam 3 can be enclosed positioned at fixed frame 2 and Nian Jie with the back side of projection screen 7；The quantity of vertical beam 3 can be 1~10,
Such as 3, the quantity of certain vertical beam 3 can also be more than 10, specifically depending on the size of projection screen 7, the chi of projection screen 7
Very little bigger, the quantity of vertical beam 3 is more；According to multiple vertical beams 3, then multiple vertical beams 3 can be made to be arranged in parallel, and be uniformly distributed in
In fixed frame 2, and each back side of vertical beam 3 with projection screen 7 is Nian Jie.So as to be provided by multiple vertical beams 3 for projection screen 7
Support, so that projection screen 7 keeps good flatness.The spacing of two neighboring vertical beam 3 can be 10mm~2200mm, for example
520mm, but be not limited.
In the present embodiment, such as Fig. 2, crossbeam 4 can be list structure, and crossbeam 4 can be staggered simultaneously with above-mentioned vertical beam 3
Connect, and the two ends of crossbeam 4 are securable on fixed frame 2, so as to be supported and fix by crossbeam 4；The quantity of crossbeam 4
Can be 1~6, naturally it is also possible to be more, specifically depending on the size of fixed frame 2 and the quantity of vertical beam 3, fixed frame 2
Size it is bigger, the quantity of vertical beam 3 is more, then the quantity of crossbeam 4 is more.According to multiple crossbeams 4, then two neighboring crossbeam 4
Spacing can be 100mm~600mm, but be not limited.
The connected mode of vertical beam 3 and crossbeam 4 can have a variety of, in the case of using a crossbeam 4 and multiple vertical beams 3,
Crossbeam 4 can directly ride upon on vertical beam 3 and vertical with vertical beam 3, and each vertical beam 3 is be bonded with crossbeam 4, and the two ends of crossbeam 4 can lead to
Screw or bolt etc. is crossed removably to be fixedly connected with fixed frame 2；The two ends of crossbeam 4 can also pass through the modes such as clamping, welding
It is fixedly connected with fixed frame 2.
In the other embodiment of the disclosure, the through hole matched with crossbeam 4 can be also opened up on each vertical beam 3, and
Crossbeam 4 is set to sequentially pass through each through hole so that crossbeam 4 can sequentially pass through each vertical beam 3, so that each vertical beam 3 be concatenated
And connection is realized, the two ends of crossbeam 4 can be removably fixedly connected by screw or bolt with fixed frame 2, and the two ends of crossbeam 4 are also
It can be fixedly connected by modes such as clamping, welding with fixed frame 2.
In the present embodiment, such as Figure 10 and Figure 11, projection screen 7 can include mask 71 and reflecting coating 72, and this is anti-
Light coating 72 is located at the backlight side of mask 71, thus, the back side of projection screen 7 can be the reflecting coating 72；Wherein, mask 71 can
To be Fresnel mask, reflecting coating 72 can be by pasting PET film piece, overlay film, spraying dark colour paint or the foam for pasting one side
The modes such as adhesive tape are formed.
In the present embodiment, such as Figure 10, the moulding 21 of above-mentioned fixed frame 2 can be bonded by the first foam double-faced adhesive 12
In on the reflecting coating 72 of projection screen 7；Above-mentioned vertical beam 3 can also be used and the identical mode of moulding 21 and projection screen 7
It is bonded, and above-mentioned crossbeam 4 and vertical beam 3 can be also bonded by same mode, will not be described in detail herein.Because foam double-faced adhesive can
A certain degree of deformation is born, and it is flexible, so as to alleviate the change in size that projection screen 7 is produced because expanding with heat and contract with cold.
Certainly, between above-mentioned vertical beam 3 and projection screen 7 and between above-mentioned crossbeam 4 and vertical beam 3 can also by other adhesive or
Adhesive tape bonding, will not be repeated here, as long as above-mentioned binding function can be realized.
In the present embodiment, such as Fig. 6, above-mentioned projection screen fixed mechanism can also include obturator 9, the obturator
9 can be fixed on crossbeam 4 towards the surface of mounting surface 8, to fill the space between crossbeam 4 and mounting surface 8, prevent projection screen
7 rock；Obturator 9 can be sponge, foam, rubber blanket etc., as long as flexible；Obturator 9 can be by viscous
Connect or the mode such as clamping is fixed on crossbeam 4；For example, obturator 9 can directly use the foam tape of one side, be pasted
Face is pasted onto crossbeam 4 towards on the surface of mounting surface 8, and non-sticking veneer is against mounting surface 8, to play a part of supporting and buffer.
In the present embodiment, such as Fig. 2 and Figure 11, above-mentioned projection screen fixed mechanism can also include frame 6, frame
6 can be coated on the periphery of projection screen 7, and pass through the second foam double-faced adhesive 13 or the mask of other adhesives and projection screen 7
71 bondings；Certainly, snap fit can also be used or by screw, bolted mode, or by the way of magnet adsorption
Deng as long as frame 6 can be fixedly connected on to the periphery of projection screen 7.The edge of projection screen 7 can be carried out by frame 6
Protection, at the same can also layout and moulding on frame 6, to play a part of decoration.
The projection screen fixed mechanism of disclosure embodiment, can pass through fixed frame 2 and vertical beam 3 and crossbeam 4 staggeredly
Projection screen 7 is supported and fixed from the back side of projection screen 7, so as to make projection screen 7 that there is good flatness,
Avoid the occurrence of the bad phenomenons such as raised and depression, it is ensured that viewing effect, it is to avoid fix the back of the body of monoblock at the back side of projection screen 7
Plate, so as to make the weight reduction of fixed mechanism；Simultaneously as fixed frame 2 and vertical beam 3 with projection screen 7 by bonding
Mode is fixed, and is conducive to simplifying structure, is made assembling process simple；In addition, the fixed frame 2 hang on pedestal 1 by hook 5
On, so as to dismantle projection screen in the case where not dismantling pedestal 1, make simple to operate.
Those skilled in the art will readily occur to its of the disclosure after considering specification and putting into practice invention disclosed herein
Its embodiment.The application is intended to any modification, purposes or the adaptations of the disclosure, these modifications, purposes or
Person's adaptations follow the general principle of the disclosure and including the undocumented common knowledge in the art of the disclosure
Or conventional techniques.Description and embodiments are considered only as exemplary, and the true scope of the disclosure and spirit are by appended
Claim is pointed out.
Claims (10)
1. a kind of projection screen fixed mechanism, it is characterised in that including：
Pedestal, is fixed on mounting surface to be installed；
Fixed frame, is fixed on the back side of projection screen；
Hook, is fixed on the fixed frame, described to hang on the pedestal；
Vertical beam, in the fixed frame, and it is Nian Jie with the back side of the projection screen；
Crossbeam, is fixed on the fixed frame, and is staggered with the vertical beam, and the crossbeam is connected with the vertical beam.
2. projection screen fixed mechanism according to claim 1, it is characterised in that the fixed frame includes：
Connector；
Multiple mouldings, the multiple moulding is end to end, and the joint of the two neighboring moulding is equipped with the connector
And be fixedly connected by the connector.
3. projection screen fixed mechanism according to claim 1 or 2, it is characterised in that the vertical beam has multiple, Duo Gesuo
State vertical beam parallel and be uniformly distributed in the fixed frame, and the back side of multiple vertical beams with the projection screen is Nian Jie.
4. projection screen fixed mechanism according to claim 1, it is characterised in that the crossbeam is set up and is adhered to described
On vertical beam, and the two ends of the crossbeam are fixedly connected with the fixed frame.
5. projection screen fixed mechanism according to claim 1, it is characterised in that the crossbeam runs through the vertical beam, and
The two ends of the crossbeam are fixedly connected with the fixed frame.
6. projection screen fixed mechanism according to claim 3, it is characterised in that the vertical beam and the fixed frame lead to
The back side that foam double-faced adhesive is crossed with the projection screen is Nian Jie.
7. projection screen fixed mechanism according to claim 1, it is characterised in that the projection screen fixed mechanism is also wrapped
Include：
The obturator of elastic material, is fixed on the crossbeam towards the surface of the mounting surface, to fill the crossbeam and described
Space between mounting surface.
8. projection screen fixed mechanism according to claim 1, it is characterised in that the pedestal includes：
Upper fixed beam, is fixed on the mounting surface, described to hang on fixed beam；
Lower fixed beam, is fixed on the mounting surface and below the fixed beam, and the lower fixed beam with it is described solid
Determine frame to be detachably connected.
9. projection screen fixed mechanism according to claim 8, it is characterised in that the projection screen fixed mechanism is also wrapped
Include：
Groove, is opened on fixed beam, and the hook stretches into the groove.
10. projection screen fixed mechanism according to claim 1, it is characterised in that the projection screen fixed mechanism is also
Including：
Frame, is coated on the projection screen periphery and is fixedly connected with the projection screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710378517.8A CN107229178A (en) | 2017-05-25 | 2017-05-25 | Projection screen fixed mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710378517.8A CN107229178A (en) | 2017-05-25 | 2017-05-25 | Projection screen fixed mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107229178A true CN107229178A (en) | 2017-10-03 |
Family
ID=59934311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710378517.8A Pending CN107229178A (en) | 2017-05-25 | 2017-05-25 | Projection screen fixed mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107229178A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109471560A (en) * | 2018-11-08 | 2019-03-15 | 威创集团股份有限公司 | A kind of infrared touch frame and display system |
| CN109752910A (en) * | 2017-11-03 | 2019-05-14 | 深圳光峰科技股份有限公司 | Fixed device, projection screen and projection device |
| CN109859645A (en) * | 2019-03-28 | 2019-06-07 | 佛山市青松科技股份有限公司 | A kind of hung type LED screen mounting structure and installation method |
| CN112162458A (en) * | 2018-03-19 | 2021-01-01 | 青岛海信激光显示股份有限公司 | Projection screen and projection display system |
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| CN203535372U (en) * | 2013-10-31 | 2014-04-09 | 海信集团有限公司 | Screen fixing rack and projection screen |
| CN203551939U (en) * | 2013-11-07 | 2014-04-16 | 海信集团有限公司 | Projection display screen |
| CN206162050U (en) * | 2016-11-18 | 2017-05-10 | 四川长虹电器股份有限公司 | Optics screen curtain structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN203535372U (en) * | 2013-10-31 | 2014-04-09 | 海信集团有限公司 | Screen fixing rack and projection screen |
| CN203551939U (en) * | 2013-11-07 | 2014-04-16 | 海信集团有限公司 | Projection display screen |
| CN206162050U (en) * | 2016-11-18 | 2017-05-10 | 四川长虹电器股份有限公司 | Optics screen curtain structure |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109752910A (en) * | 2017-11-03 | 2019-05-14 | 深圳光峰科技股份有限公司 | Fixed device, projection screen and projection device |
| CN109752910B (en) * | 2017-11-03 | 2021-06-08 | 深圳光峰科技股份有限公司 | Fixing device, projection screen and projection equipment |
| CN112162458A (en) * | 2018-03-19 | 2021-01-01 | 青岛海信激光显示股份有限公司 | Projection screen and projection display system |
| CN109471560A (en) * | 2018-11-08 | 2019-03-15 | 威创集团股份有限公司 | A kind of infrared touch frame and display system |
| CN109471560B (en) * | 2018-11-08 | 2020-06-23 | 威创集团股份有限公司 | Infrared touch frame and display system |
| CN109859645A (en) * | 2019-03-28 | 2019-06-07 | 佛山市青松科技股份有限公司 | A kind of hung type LED screen mounting structure and installation method |
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