CN111862846A - Display screen unit and double-sided display screen - Google Patents
Display screen unit and double-sided display screen Download PDFInfo
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- CN111862846A CN111862846A CN202010855706.1A CN202010855706A CN111862846A CN 111862846 A CN111862846 A CN 111862846A CN 202010855706 A CN202010855706 A CN 202010855706A CN 111862846 A CN111862846 A CN 111862846A
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- 239000000463 material Substances 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 claims description 3
- 238000005538 encapsulation Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 9
- 238000004806 packaging method and process Methods 0.000 abstract description 2
- LAXBNTIAOJWAOP-UHFFFAOYSA-N 2-chlorobiphenyl Chemical compound ClC1=CC=CC=C1C1=CC=CC=C1 LAXBNTIAOJWAOP-UHFFFAOYSA-N 0.000 description 24
- 101710149812 Pyruvate carboxylase 1 Proteins 0.000 description 24
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/302—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements characterised by the form or geometrical disposition of the individual elements
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- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a display screen unit and a double-sided display screen, which comprise a PCB (printed Circuit Board), wherein a plurality of lamp driving and integrating devices are respectively arranged on two opposite side surfaces of the PCB, each lamp driving and integrating device comprises a driving IC, an R chip, a G chip and a B chip which are packaged into an integrated structure, the driving IC is electrically connected with the R chip, the G chip, the B chip and the PCB respectively, and the light emitting directions of the lamp driving and integrating devices positioned on the different side surfaces of the PCB are opposite. The double-sided display screen provided by the invention can realize double-sided display by using the PCB, the overall thickness of the double-sided display screen is greatly reduced, the lamp-driver integrated device adopts a structure of packaging into a whole, the space between the lamp-driver integrated devices is reduced, the display effect of the double-sided display screen is improved, meanwhile, the double-sided display screen is lighter and thinner, the installation space required by the double-sided display screen is reduced, the transportation and the installation of the double-sided display screen are convenient, and the application range of the double-sided display screen is widened.
Description
Technical Field
The invention relates to the technical field of display screens, in particular to a display screen unit and a double-sided display screen with the same.
Background
The existing double-sided LED display screen is usually spliced back to back two conventional single-sided LED display screen units, so that the display surfaces of the two LED display screen units face opposite directions respectively to realize double-sided display of the LED display screen.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: a display screen unit with a light and thin structure and a double-sided display screen with the display screen unit are provided.
In order to solve the technical problems, the invention adopts the technical scheme that: the utility model provides a display screen unit, includes the PCB board, be equipped with a plurality of lamps on the relative both sides face of PCB board respectively and drive an unification device, the lamp drives an unification device including encapsulation formula structure as an organic whole drive IC, R chip, G chip and B chip, drive IC with respectively with the R chip the G chip the B chip reaches PCB board electricity is connected, is located on the different sides of PCB board the light-emitting direction of a device is driven to the lamp is opposite.
In order to solve the technical problems, the invention also adopts the following technical scheme: a double-sided display screen comprises the display screen units, and the number of the display screen units is at least one.
The invention has the beneficial effects that: the double-sided display screen provided by the invention can realize double-sided display by using one layer of PCB, the overall thickness of the double-sided display screen is greatly reduced, the lamp driving and integrating device adopts a structure that a driving IC, an R chip, a G chip and a B chip are packaged into a whole, compared with the existing display screen, the space occupied by the driving chip on the PCB is reduced, the lamp driving and integrating device can be densely arranged on the PCB, the space between the lamp driving and integrating devices is reduced, the display effect of the double-sided display screen is improved, meanwhile, the double-sided display screen is lighter and thinner, the installation space required by the double-sided display screen is reduced, the transportation and installation of the double-sided display screen are convenient, and the application range of the double-sided display screen is widened.
Drawings
Fig. 1 is a schematic structural diagram of a display screen unit according to a first embodiment of the present invention;
FIG. 2 is a partial exploded view of a display unit according to a first embodiment of the present invention;
fig. 3 is a sectional view showing a partial structure of a display screen unit according to a first embodiment of the present invention;
fig. 4 is a schematic structural diagram of a lamp driving-integrating device in a display panel unit according to a first embodiment of the invention;
fig. 5 is a schematic structural diagram of a dual-sided display screen according to a second embodiment of the present invention;
FIG. 6 is an enlarged view taken at A in FIG. 5;
FIG. 7 is a partial exploded view of a dual-sided display panel according to a second embodiment of the present invention;
fig. 8 is a schematic partial structural view of a double-sided display panel according to a third embodiment of the present invention;
fig. 9 is an enlarged view at B in fig. 8.
Description of reference numerals:
1. a PCB board; 11. a through hole; 12. a hollow-out section; 2. a lamp driving and integrating device; 21. a driver IC; 22. an R chip; 23. g chip; 24. b, chip; 3. a power supply box; 4. a face mask; 41. hole site; 42. mounting holes; 5. a connecting member; 6. a first face mask; 7. a second face mask.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 to 4, a display screen unit includes a PCB 1, a plurality of lamp driving-in-one devices 2 are respectively disposed on two opposite side surfaces of the PCB 1, each lamp driving-in-one device 2 includes a driver IC21, an R chip 22, a G chip 23, and a B chip 24, which are integrally packaged, the driver IC21 is electrically connected to the R chip 22, the G chip 23, the B chip 24, and the PCB 1, and light emitting directions of the lamp driving-in-one devices 2 on different side surfaces of the PCB 1 are opposite to each other.
The structural principle of the invention is briefly described as follows: the mode that the lamp driving integrated device 2 with opposite light emitting directions is arranged on the two opposite side faces of the PCB 1 is adopted, double-sided display of the display screen unit is achieved through the one-layer PCB 1, the whole thickness of the display screen unit is greatly reduced, the lamp driving integrated device 2 is of an integrated structure formed by packaging the driver IC21, the R chip 22, the G chip 23 and the B chip 24, compared with the existing display screen, the space occupied by the driver chip on the PCB 1 is reduced, the lamp driving integrated device 2 can be densely arranged on the PCB 1, and the space between the lamp driving integrated devices 2 is reduced.
From the above description, the beneficial effects of the present invention are: the structure that the two-sided subsides of unifying device 2 has been realized the two-sided demonstration of display screen unit through adopting the lamp to drive on PCB board 1, has reduced the thickness of display screen unit greatly, makes display screen unit overall structure frivolous, and the lamp drives unification device 2 and arranges on PCB board 1 densely, the interval is little, has improved PCB board 1's utilization ratio, promotes the demonstration performance of display screen unit when simplifying display screen unit structure, makes the product more reliable and more stable.
Further, still be equipped with power pack 3 on the PCB board 1, power pack 3 with PCB board 1 electricity is connected.
As can be known from the above description, the power supply box 3 is arranged on the PCB board 1 to accommodate components such as the power supply of the display screen unit, so that the power consumption requirement of the PCB board 1 is met, and meanwhile, the display screen unit is installed through the matching of the power supply box 3 and the components such as the installation support.
Furthermore, two opposite side surfaces of the PCB board 1 are respectively provided with a face mask 4, and the face mask 4 is provided with a hole position 41 for exposing the lamp driving integrated device 2.
As can be known from the above description, all be equipped with the face guard 4 that the protection lamp drove unification device 2 on the relative both sides face of display screen unit, can prevent effectively that external force from driving unification device 2 to the lamp and causing the damage, avoid the lamp to drive unification device 2 and drop from PCB board 1, prolong the life of display screen unit.
Furthermore, a through hole 11 is formed in the PCB board 1, and a mounting hole 42 matched with the through hole 11 is formed in the face mask 4.
Further, the mounting holes 42 of the two face masks 4 are aligned one by one, and one of the mounting holes 42 of the two mounting holes 42 aligned with the same through hole 11 is a threaded hole.
As can be seen from the above description, the face masks 4 disposed on the two opposite sides of the PCB 1 are installed by matching the through holes 11 on the PCB 1 with the mounting holes 42 on the face masks 4, the two face masks 4 disposed opposite to each other sandwich the PCB 1 and are connected by the connecting member 5, and one of the two mounting holes 42 aligned with the same through hole 11 is a threaded hole, so that the face mask 4 and the PCB 1 can be connected by using bolts or screws.
Further, the material of the face mask 4 is transparent PC material.
As can be seen from the above description, the transparent PC material adopted by the face mask 4 can improve the light transmittance of the face mask 4 and improve the display effect of the display screen unit.
Further, the lamp driving integrated device 2 is arranged on the PCB board 1 in a matrix.
Further, be equipped with on the PCB board 1 and run through the fretwork portion 12 of PCB board 1, fretwork portion 12 sets up at arbitrary adjacent two rows or arbitrary adjacent two and the lamp drives between unifying device 2.
As can be seen from the above description, the display screen unit of the transparent display screen can be manufactured by arranging the hollow-out part 12 on the PCB board 1, so that the weight of the display screen unit is further reduced, the display screen unit is more attractive, meanwhile, the display screen unit can be used in scenes such as glass curtain walls, and the application range of the display screen unit is widened.
Referring to fig. 5 to 9, a double-sided display screen includes the above display screen units, and the number of the display screen units is at least one.
The structural principle of the invention is briefly described as follows: a plurality of the display screen units are spliced to form a double-sided display screen with a required area, so that the thickness and the whole weight of the double-sided display screen are greatly reduced, and the use requirements of various application scenes are met.
From the above description, the beneficial effects of the present invention are: the double-sided display screen has the advantages that the display effect of the double-sided display screen is improved, the double-sided display screen is lighter and thinner, the installation space required by the double-sided display screen is reduced, the double-sided display screen is convenient to transport and install, and the application range of the double-sided display screen is widened.
Further, the quantity of display screen unit is at least two, be equipped with first face guard 6 and second face guard 7 on the relative both sides face of PCB board 1 respectively, at least a set of first face guard 6 covers two adjacent settings the clearance between the PCB board 1 and/or at least a set of second face guard 7 covers two adjacent settings the clearance between the PCB board 1.
As can be known from the above description, the first face cover 6 and the second face cover 7 which are arranged on the two opposite side faces of the PCB 1 are connected to realize the splicing of a plurality of display screen units, and the first face cover 6 and/or the second face cover 7 cover the gap between two adjacent PCB 1 and clamp the PCB 1, so that the splicing stability between the display screen units is improved.
Example one
Referring to fig. 1 to 4, a first embodiment of the present invention is: a display screen unit is used for assembling a display screen and can be spliced into a display screen with a required area by adopting a plurality of display screen units.
As shown in fig. 1, the display screen unit includes PCB 1 and sets up power pack 3 on the PCB 1, it is done to accommodate in the power pack 3 the power supply device of the power supply of PCB 1, power pack 3 with 1 electric connection of PCB, still be equipped with a plurality of lamps respectively on the relative both sides face of PCB 1 and drive unification device 2, the lamp drive unification device 2 with 1 electric connection of PCB is located on 1 different sides of PCB the light-emitting direction that the device 2 was driven to the lamp is opposite, makes the display screen unit need not to use single face display screen concatenation can realize two-sided display, has reduced by a wide margin the whole thickness of display screen unit, and then makes by the display screen overall structure that the display screen unit equipment formed is frivolous, is convenient for transport and installation.
As shown in fig. 2, still be equipped with face guard 4 on the relative both sides face of PCB board 1 respectively, face guard 4 covers PCB board 1 just be equipped with a plurality of confessions on face guard 4 the hole site 41 that the lamp driven unification device 2 exposes, the lamp drive unification device 2 with hole site 41 one-to-one just face guard 4 encircles lamp driven unification device 2, face guard 4 is not influencing the lamp drives reducible external force under the luminous circumstances of unification device 2 and is right the damage that unification device 2 caused is driven to the lamp, avoids the display screen unit produces the collision and leads to the lamp drives unification device 2 and damages or follows drop on the PCB board 1 in the in-process of transportation, transport and installation, the extension the life of display screen unit.
Further, the face mask 4 comprises a plurality of face mask units, a corresponding number of the face mask units are selected according to the area of the display screen formed by splicing the display screen units to cover the PCB board 1 to form the face mask 4, the face mask units with a large area are spliced by small size to form the face mask 4 with a large area, so that the area of the face mask 4 can be adjusted according to the display screens with different areas, and the face mask 4 can be adapted to the display screens with various sizes. Preferably, the mask unit is rectangular to enable seamless splicing of the mask unit.
Referring to fig. 3, a through hole 11 is formed in the PCB 1, mounting holes 42 matched with the through hole 11 are formed in the face mask 4, the mounting holes 42 of the two face masks 4 respectively attached to the two opposite side surfaces of the PCB 1 are aligned one by one, and the face mask 4 and the PCB 1 can be connected by using a connecting member 5 to penetrate through the aligned mounting holes 42 and the through hole 11.
Optionally, one of the two mounting holes 42 aligned with the through hole 11 is a threaded hole, the connecting piece 5 is a screw or a bolt, and the connecting piece 5 sequentially passes through the non-threaded holes of the mounting hole 42 and the through hole 11 and is screwed with the threaded hole to fix the mask 4 on the PCB board 1, so that the mask 4 is convenient to mount and dismount, and the mounting process of the mask 4 is simplified.
As shown in fig. 4, the lamp driving-in-one device 2 includes a driver IC21, an R chip 22, a G chip 23, and a B chip 24, which are packaged as a whole, the driver IC21 is respectively connected with the R chip 22, the G chip 23, the B chip 24, and the PCB board 1 electrically, and the space occupied by the driver chip on the PCB board 1 is reduced by adopting the structural form that the driver IC21 is packaged in the lamp driving-in-one device 2, so that the space between two adjacent lamp driving-in-one devices 2 on the PCB board 1 can be made very small, the density of the lamp driving-in-one device 2 distributed on the PCB board 1 is increased, the utilization rate of the PCB board 1 is increased, the overall structure of the display screen unit is simplified, and the thickness of the display screen unit is reduced.
Preferably, the driver IC21 adopts a high grayscale driver chip to improve the display effect of the lamp driving-in-one device 2, so as to improve the performance of the display screen unit and enable a user to obtain better visual experience.
Example two
Referring to fig. 5 to 7, a second embodiment of the present invention is: a double-sided display screen comprises a display screen unit in at least one embodiment, and is applied to scenes including but not limited to advertising machines, lamp post screens, all-in-one machines and the like.
Referring to fig. 5 and fig. 6, in this embodiment, the double-sided display screen is formed by splicing two display screen units, wherein two PCB boards 1 are arranged in parallel, a first face cover 6 and a second face cover 7 are respectively arranged on two opposite side surfaces of the PCB boards 1, the first and second masks 6 and 7 have the same structure as the mask of the first embodiment, at least one set of the first mask 6 covers the gap between the two PCB boards 1, at least one set of the second mask 7 covers the gap between the two PCB boards 1 from the side opposite to the first mask 6, first face guard 6 with second face guard 7 passes through the connecting piece and connects, first face guard 6 with 7 centre gripping of second face guard is two PCB board 1 realizes two PCB board 1's seamless concatenation improves connection stability between the PCB board 1.
Optionally, a connector is arranged on the end face of the PCB board 1, the PCB boards 1 are connected in parallel in a matching mode through the connector, the first face cover 6 and the second face cover 7 respectively cover two opposite side faces of the PCB boards 1, a gap between the PCB boards 1 is covered, the connector is shielded to assist in fixing the two opposite positions between the PCB boards 1, meanwhile, the connector is prevented from being exposed, and the display effect of the double-sided display screen is improved.
As shown in FIG. 7, the installation will set up during the two-sided display screen power pack 3 on PCB board 1 with set up the installation support cooperation fixed at the installation scene can, convenient the installation and the dismantlement of two-sided display screen are convenient for carry out the later maintenance.
EXAMPLE III
Referring to fig. 8 and 9, a third embodiment of the present invention is another technical solution proposed for the structure of the PCB 1 based on the second embodiment, and the difference from the second embodiment is only the difference in the structure of the PCB 1.
As shown in fig. 8 and 9, in this embodiment, the lamp driving integrated devices 2 are arranged in a matrix on the PCB board 1, the PCB board 1 is provided with the hollow parts 12 penetrating through the PCB board 1, the hollow parts 12 are disposed between two adjacent rows or two columns of the lamp driving integrated devices 2, so that the overall weight of the double-sided display screen is further reduced, and meanwhile, the hollow parts 12 can form a transparent display screen, so as to improve the display effect of the double-sided display screen.
Preferably, in this embodiment, the mask covering the double-sided display screen is made of a transparent PC material to improve the transmittance of the mask, so as to protect the double-sided display screen while ensuring the display effect of the double-sided display screen.
In summary, compared with the traditional double-sided display screen, the display screen unit and the double-sided display screen with the display screen unit provided by the invention greatly reduce the overall thickness of the display screen, so that the overall structure of the double-sided display screen is light and thin, and the transportation and installation of the double-sided display screen are greatly facilitated.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (10)
1. A display screen unit characterized by: including the PCB board, be equipped with a plurality of lamps on the relative both sides face of PCB board respectively and drive an equipment, the lamp drives an equipment including encapsulation formula structure as an organic whole drive IC, R chip, G chip and B chip, drive IC with respectively with the R chip the G chip the B chip reaches PCB board electricity is connected, is located on the different sides of PCB board the light-emitting direction of a device is driven to the lamp is opposite.
2. The display screen unit of claim 1, wherein: the PCB is also provided with a power supply box, and the power supply box is electrically connected with the PCB.
3. The display screen unit of claim 1, wherein: the two opposite side surfaces of the PCB are respectively provided with a face mask, and the face mask is provided with a hole site for exposing the lamp driving integrated device.
4. The display screen unit of claim 3, wherein: the PCB board is provided with a through hole, and the mask is provided with a mounting hole matched with the through hole.
5. The display screen unit of claim 4, wherein: the mounting holes in the two face masks are arranged in one-to-one alignment mode, and one of the two mounting holes aligned with the same through hole is a threaded hole.
6. The display screen unit of claim 3, wherein: the mask is made of transparent PC material.
7. The display screen unit of claim 1, wherein: the lamp driving integrated device is arranged on the PCB in a matrix manner.
8. The display screen unit of claim 7, wherein: the PCB is provided with a hollow-out part which penetrates through the PCB, and the hollow-out part is arranged between two adjacent lines or two adjacent lines at will.
9. A double-sided display screen is characterized in that: comprising at least one display screen unit according to any one of claims 1 to 8.
10. The dual-sided display of claim 9, wherein: the quantity of display screen unit is at least two, be equipped with first face guard and second face guard on the relative both sides face of PCB board respectively, at least a set of first face guard covers two adjacent settings the clearance between the PCB board and/or at least a set of second face guard covers two adjacent settings the clearance between the PCB board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010855706.1A CN111862846A (en) | 2020-08-24 | 2020-08-24 | Display screen unit and double-sided display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010855706.1A CN111862846A (en) | 2020-08-24 | 2020-08-24 | Display screen unit and double-sided display screen |
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| CN111862846A true CN111862846A (en) | 2020-10-30 |
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| CN202010855706.1A Pending CN111862846A (en) | 2020-08-24 | 2020-08-24 | Display screen unit and double-sided display screen |
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