CN103994348A - Slitting injection molding LED identification module and method - Google Patents
Slitting injection molding LED identification module and method Download PDFInfo
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- CN103994348A CN103994348A CN201410178104.1A CN201410178104A CN103994348A CN 103994348 A CN103994348 A CN 103994348A CN 201410178104 A CN201410178104 A CN 201410178104A CN 103994348 A CN103994348 A CN 103994348A
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Abstract
The invention relates to a slitting injection molding LED identification module which comprises a slitting LED module circuit board, an LED lamp, other elements and slit plastic adhesives. The LED lamp and other elements are arranged on the slitting LED module circuit board. The slit plastic adhesives are arranged on the LED module circuit board in an injection molding mode, and the injection molding plastic adhesives are flush with or almost flush with the light emitting face of the LED lamp. Connecting wires are arranged between LED modules on the LED module circuit board. The invention further relates to a slitting method for whole circuit board contiguous injection molding LED identification module bodies. According to the slitting method for the whole circuit board contiguous injection molding LED identification module bodies, the injection molding LED identification module bodies connected together ceaselessly and contiguously in an injection molding mode are sheared and divided into multi-strip single-string injection molding LED identification module bodies many times in the length direction, a big problem in the industry is solved, and the slitting technology of carrying out injection molding on the circuit board in an integrated mode and then slitting the circuit board into the multi-strip single-string injection molding LED identification module bodies is achieved.
Description
Technical field
The present invention relates to manufacture and the application of LED sign module wiring board.More specifically, the present invention relates to the whole plate of the wiring board injection moulding LED sign module that injection moulding LED identifies the cutting method of module and obtains in flakes.
Background technology
LED sign module is in order to save material, each circuit board is that a plurality of zero single module plates of spacing connect together conventionally, when the product of zero spacing is very thin conventionally, can cut mould with blade type cutter and divide incision, while needing injection moulding protection, because plastics after injection moulding add after wiring board very thick, general thickness is more than 1.5mm, now with the cutter of blade type, cutting mould cannot open in cutting, must could separate with scissor shearing punching block, because the scissor shearing punching block of prior art cannot repeatedly be cut for the lengthy product of this zero spacing, cause the injection moulding of module industry all must first by folding parallel circuit plate, become after a plurality of wall scroll module strings, go again injection moulding, injection moulding efficiency is extremely low, cost is very high,
The present invention has captured after module injection moulding the difficult problem that cannot wiring board and plastic cement be cut simultaneously with mould, makes many injection mouldings in flakes of many groups simultaneously of LED sign module, and then die-cut opening, and has improved greatly production efficiency, has significantly reduced cost.
Summary of the invention
The present invention relates to the whole plate of a kind of wiring board cutting method and the injection moulding LED sign module of injection moulding LED sign module in flakes.Can the sign of the LED in flakes module of LED lamp and other elements will be welded, insert in flakes injection moulding together in the injection mold of injection machine, after one group of injection moulding in flakes, next group of injection moulding is in flakes again, or will organize injection moulding simultaneously in flakes more, then with a kind of mould of cutting of the present invention, cut, cut into the injection moulding LED sign module of single string.Wherein, the described mould of cutting, described mould is provided with respectively n bar and shears tool section on patrix, and n is greater than or equal to 1, on counterdie, be provided with m bar and shear tool section, m is greater than or equal to 1, being arranged on tool section on patrix and the tool section on counterdie replaces mutually, stagger each other, when upper, when bottom punch suits together, form m+n-1 shear knife mouth structure, the injection moulding LED sign module shearing being injection-moulded in flakes is together divided into m+n bar, the whole plate of a kind of wiring board of the present invention is the cutting method of injection moulding LED sign module in flakes, by the injection moulding LED sign module being uninterruptedly injection-moulded in flakes together, shear several times along its length the injection moulding LED sign module that is divided into many single strings, solved a hang-up in industry, after having realized injection moulding in flakes, cut into again minute incision technology that single injection moulding LED going here and there identifies module.
Particularly, according to the present invention, provide a kind of LED injection moulding sign module, having comprised: LED module wiring board; Weld LED lamp and other element in the circuit board; Stick on the adhesive layer on described LED wiring board, described adhesive layer is pressure sensitive adhesive, thermoplastic or hot-setting adhesive; Injection moulding is combined in the plastic cement on adhesive layer, and injection moulding plastic is bonded together by adhesive layer and LED module wiring board, and plastic cement two sides are sections that slitting forms, and the section of two side and the section of wiring board are at same section; The front and back module of module string and the connecting line between module; Wherein, described module and the connecting line between module, if the sign module of making of the wiring board of FPC or soft or hard combination, connecting line is one with module wiring board; If the LED manufacturing with rigidity PCB identifies module, connecting line is the wire of welding.
According to the present invention, a kind of LED injection moulding sign module is also provided, comprising: LED module wiring board, is provided with the inlaid hole that injection moulding plastic is used on wiring board; Weld LED lamp and other element in the circuit board; Injection moulding is in conjunction with plastic cement in the circuit board, and injection moulding plastic is inlayed and combined with wiring board by the inlaid hole arranging on wiring board, and plastic cement two sides are sections of slitting formation, and the section of two side and the section of wiring board are at same section; The front and back module of module string and the connecting line between module; Wherein, described module and the connecting line between module, if the sign module of making of the wiring board of FPC or soft or hard combination, connecting line is one with module wiring board; If the LED manufacturing with rigidity PCB identifies module, connecting line is the wire of welding.
The whole plate of a kind of wiring board is the cutting method of injection moulding LED sign module in flakes, comprise: will weld the sign of the LED in flakes module of LED lamp and other elements, insert in flakes injection moulding together in the injection mold of injection machine, after one group of injection moulding in flakes, next group of injection moulding is in flakes or will organize injection moulding simultaneously in flakes more again, then with cutting mould, cut, cut into the injection moulding LED sign module of single string.Wherein, the described mould of cutting, is characterized in that: described mould is provided with respectively n bar and shears tool section on patrix, and n is greater than or equal to 1; On counterdie, be provided with m bar and shear tool section, m is greater than or equal to 1; Be arranged on tool section on patrix and the tool section on counterdie and mutually replace, stagger each other, when upper and lower stamping suits together, form m+n-1 shear knife mouth structure, being injection-moulded in flakes injection moulding LED sign module together, shearing and be divided into m+n bar.
According to one embodiment of the invention, described LED sign module is with the LED sign module of rigidity PCB making or the LED sign module of making of FPC.
According to one embodiment of the invention, described m and n are integers, and m=n, or m+1=n, or m-1=n.
According to one embodiment of the invention, the feature of mould is the both sides of only cutting module, and module two is not punched, and namely the connecting line between module is not punched, can guarantee that the line between module is excellent.
According to one embodiment of the invention, when LED injection moulding module slitting mould is in flakes sheared separately, the plastic cement of injection moulding and LED module wiring board are to be sheared simultaneously, and the plastic cement section after being sheared is consistent concordant structure with wiring board section all the time.
According to one embodiment of the invention, if the sign module that LED sign module is made of FPC, line is partly cut with other mould and is cut, and cuts, or cut afterwards before cutting module sheet.
According to one embodiment of the invention, during continuous parting-cut, before once cut with after the section position of the interface point of once cutting, because the die-cut tolerance in twice of front and back forms the irregular dislocation vestige of interface point, this dislocation vestige is that wiring board and plastic cement exist in same section position all the time simultaneously.
According to one embodiment of the invention, described cut the thickness that mould can shear and be: injection moulding plastic and LED module wiring board are added gross thickness in 0.1 to 10mm scope.
According to one embodiment of the invention, shearing on the shearing edge of a knife of tool section, wherein some point does not arrange shear knife mouth structure, during shearing on these somes wiring board shear less than, make to retain tie point between circuit lath after shearing and bar, wiring board after shearing is linked together and is not scattered by tie point, finally separates again.
According to the invention provides a kind of injection moulding LED sign module, comprising: LED module wiring board; LED lamp and other element; Injection moulding is combined in the plastic cement on LED module; Connecting line between module and module; Wherein, the light-emitting area of injection moulding plastic and LED lamp is concordant or approach concordant; Described module and the connecting line between module, if the sign module of making of FPC, connecting line is one with module wiring board; If the LED making of rigidity PCB sign module, the wire of connecting line welding.
According to the present invention, a kind of injection moulding LED sign module of cutting is also provided, comprising: the LED module wiring board of cutting; Be arranged on LED lamp and other element on the LED module wiring board of cutting; Be injection-moulded in the plastic cement of the slitting on LED module wiring board, the light-emitting area of described injection moulding plastic and LED lamp is concordant or approach concordant; Between LED module on LED module wiring board, there is connecting line.
According to one embodiment of the invention, if the sign module that described injection moulding LED sign module is made of FPC, described connecting line is one with LED module wiring board; If the LED sign module that described injection moulding LED sign module is made of rigidity PCB, described connecting line is the wire of welding.
According to the present invention, the whole plate of a kind of wiring board cutting method of the LED sign module of injection moulding in flakes is also provided, comprising: provide and cut mould, described in cut mould and comprise: patrix, described patrix is provided with n bar and shears tool section, n is greater than or equal to 1; Counterdie, described counterdie is provided with m bar and shears tool section, and m is greater than or equal to 1; Wherein, the shearing tool section of described patrix and the relevant shear tool section of described counterdie are corresponding and stagger each other and be formed into right shearing edge separately, when described upper die and lower die are sheared itemize operation, form altogether m+n-1 to shearing edge, wherein, m and n are integer, wherein m=n, or m+1=n, or m=n+1; The LED in flakes sign module that welds LED lamp and other elements is provided, by this in flakes LED sign module insert injection moulding in injection machine, then with the injection moulding LED sign module of cutting mould and cut into single string.
According to one embodiment of the invention, the mode of described injection moulding is to one group of LED sign module injection moulding next group LED sign module of injection moulding more in flakes, or will organize LED sign module whole plate injection moulding simultaneously in flakes more.
According to one embodiment of the invention, the both sides of LED sign module in flakes described in only cutting, and two of LED sign module in flakes described in not cutting makes the connecting line between described LED sign module not punched.
According to one embodiment of the invention, with described in while cutting mould continuous parting-cut, front once cut and after the section position of interface point between once cutting form irregular dislocation vestige at interface point place because of the die-cut tolerance in twice of front and back.
According to one embodiment of the invention, described shearing tool section has continuous blade; Or at least part of shearing knife edge of described shearing tool section is the discontinuous blade with breach or concave point.
According to the present invention, also provide a kind of by the whole plate of wiring board in flakes LED in flakes sign module the method according to this invention of injection moulding cut the LED sign module obtaining.
According to the present invention, also provide a kind of by the whole plate of wiring board in flakes the LED in flakes sign module of injection moulding cut the LED sign module obtaining, the described sign of LED in flakes module comprises: LED identifies module wiring board in flakes, on LED sign module wiring board, a plurality of LED lamps that are intervally arranged is being installed in flakes; With the plastic cement being injection-moulded on LED module wiring board, wherein, the light-emitting area of described injection moulding plastic and LED lamp is concordant or approach concordant; Wherein, described LED sign module is the described sign of LED in flakes module to be cut to the LED sign module obtaining with cutting mould; And described in cut mould and comprise: patrix, described patrix is provided with n bar and shears tool section, n is greater than or equal to 1; Counterdie, described counterdie is provided with m bar and shears tool section, and m is greater than or equal to 1; Wherein, the shearing tool section of described patrix and the relevant shear tool section of described counterdie are corresponding and stagger each other and be formed into right shearing edge separately, when described upper die and lower die are sheared itemize operation, form altogether m+n-1 to shearing edge, wherein, m and n are integer, wherein m=n, or m+1=n, or m=n+1.
According to one embodiment of the invention, between the LED module of the sign of LED in flakes module wiring board, connecting line is set.
According to one embodiment of the invention, the plastic cement section of cutting is consistent concordant with LED sign module section.
In below to the description of the drawings and specific embodiments, will set forth one or more embodiments of the detail of the present invention.From these descriptions, accompanying drawing and claim, can know other features, objects and advantages of the present invention.
Accompanying drawing explanation
By reading in conjunction with the following drawings this description, it is more apparent that features, objects and advantages of the invention will become, in the accompanying drawings:
Fig. 1 is the whole plate of the wiring board schematic diagram of injection moulding LED sign module shearing itemize mould in flakes.
Fig. 2 is the whole plate of the wiring board schematic cross-section of injection moulding LED sign module shearing itemize mould in flakes.
Fig. 3 is for shearing the patrix decomposing schematic representation of itemize mould.
Fig. 4 is for shearing the counterdie schematic diagram of itemize mould.
The schematic diagram that Fig. 5 is combined for shearing the upper die and lower die of itemize mould.
The schematic cross-section that Fig. 6 is combined for shearing the upper die and lower die of itemize mould.
Fig. 7 is the sign module wiring board schematic diagram that has welded LED lamp.
Fig. 8 is the whole plate of the LED sign module wiring board schematic diagram after injection moulding in flakes.
Fig. 9 is the whole plate of wiring board LED sign module after injection moulding in flakes, and the line part between its module and module divides with cutting die the schematic diagram cutting away after unwanted wiring board.
Figure 10 be the whole plate of wiring board in flakes injection moulding LED sign module insert and shear in itemize mould, the location of LED sign module wiring board lateral opening with counterdie on pipe position for the schematic diagram of position.
Figure 11 be the whole plate of wiring board in flakes injection moulding LED sign module by shearing the Guan Weizhen of itemize mould, limit good position, be seated in the schematic diagram on counterdie.
Figure 12 be the whole plate of wiring board in flakes injection moulding LED sign module by shearing the mould tube position pin of itemize, limit good position, be seated in the schematic cross-section on counterdie.
Figure 13 is that the patrix of shearing itemize is down die-cut, will insert the whole plate of the part wiring board schematic cross-section that the shearing of injection moulding LED sign module separates in flakes of shearing in itemize mould.
Figure 14 be the whole plate of wiring board in flakes injection moulding LED sign module be sheared itemize mould and shear schematic diagram separately.
Figure 15 be the whole plate of wiring board in flakes injection moulding LED sign module be sheared the schematic diagram that itemize mould cuts into single string injection moulding LED sign module.
Figure 16 is for to weld after LED lamp on LED module wiring board, then pastes in the circuit board one deck adhesive layer, then injection moulding, and injection moulding plastic is bonded together by adhesive layer and LED module wiring board, the schematic cross-section after being cut by mould.
Figure 17 is for to be provided with injection moulding on the LED module wiring board of inlaid hole, and injection moulding plastic inlays by the inlaid hole and the wiring board that arrange on wiring board the schematic cross-section combining.
The specific embodiment
Below by the whole plate of a kind of wiring board of the present invention, the cutting method of injection moulding LED sign module and the specific embodiment of injection moulding LED sign module are described in more detail in flakes.
But, it will be appreciated by those skilled in the art that the following stated is only to illustrate and describe some preferred embodiments, some other similarly or the embodiment being equal to equally also can be used for implementing the present invention.
As Fig. 1, shown in Fig. 2, the whole plate of the wiring board of the present invention in flakes shearing itemize mould of injection moulding LED sign module is comprised of patrix (1) and counterdie (2), patrix has been installed respectively n bar and has been sheared tool section (1.1) (as shown in Figure 3), n is greater than or equal to 1, counterdie has been installed m bar and has been sheared tool section (2.1), m is greater than or equal to 1, on the tool section on both sides, arrange and be equipped with Guan Weizhen (2.3), want the die-cut whole plate of wiring board in flakes injection moulding LED sign module be welded with the place corresponding with tool section (2.1), position of element, one groove (2.2) of avoiding element is set, while avoiding shearing wiring board, cause component wear (as shown in Figure 4), when patrix (1) and die-cut being combined of counterdie (2), the tool section (2.1) that is arranged on the tool section (1.1) on patrix and is arranged on counterdie replaces mutually, stagger each other, the total m+n-1 of upper and lower mould one is to blade, form m+n-1 shear knife mouth structure (as Fig. 5, shown in Fig. 6).Can be arranged on the vertical punch press of 45 tons, fertile smart machine shearing itemize mould, and debug shearing die preparation and cut.
The whole plate of a wiring board according to the present invention preferred embodiment of injection moulding LED sign module shearing slitting method is in flakes described below.
For example: as shown in Figure 7, LED sign module wiring board (3) is by many uninterrupted overlength LED sign module wiring board jigsaw wiring board together, on LED sign module wiring board (3), be welded with LED lamp pearl (3.2), and be provided with two technique edges (3.3) (as shown in figure 14), on technique edges, be provided with locating hole (3.1), LED is identified to module wiring board and insert in flakes whole plate injection moulding together in the injection mold of injection machine, the light-emitting area of the plastic cement of injection moulding (4) and LED lamp (3.2) is concordant or approach concordant, after one group of injection moulding in flakes, next group of injection moulding is in flakes again, be made into the whole plate of the wiring board LED sign module (as shown in Figure 8) of injection moulding in flakes, then with cutting die first by the whole plate of wiring board in flakes after injection moulding the unwanted wiring board of line part (3.4) between LED sign module and module cut away (as shown in Figure 9), again LED identified to the locating hole (3.1) of the upper first paragraph of module wiring board (3) and shear Guan Weizhen (2.1) contraposition on itemize counterdie (2) and be enclosed within Guan Weizhen (2.1) upper (as shown in figure 10), so the whole plate of wiring board in flakes the first paragraph of the LED sign module wiring board (3) of injection moulding just by shearing the good position of Guan Weizhen (2.1) limit of itemize counterdie (2), and it is upper (as Figure 11 to be placed in counterdie (2), shown in Figure 12), then patrix (1) is die-cut downwards, patrix (1) is combined with counterdie (2), form m+n-1 shear knife, the whole plate of wiring board in flakes the LED sign module wiring board (3) of injection moulding and the plastic cement (4) of injection moulding first paragraph simultaneously together shearing be divided into m+n bar (as shown in figure 13).
And then will identify along LED the upper second segment of the length direction of module wiring board (3) piecemeal, the 3rd section ... location lateral opening (3.1) and counterdie (2) on Guan Weizhen (2.1) contraposition be enclosed within on Guan Weizhen (2.1), carry out for the second time, for the third time ... die-cut, by the whole plate of wiring board, the LED sign module wiring board (3) of injection moulding and the plastic cement (4) of injection moulding cut into and comprise the common m+n bar of technique edges (3.3) in flakes, if the technique edges of LED sign module wiring board (3) is b bar, be that LED sign module wiring board (3) is sheared and is divided into m+n-b bar list string injection moulding LED sign module (as shown in figure 14), shown in Figure 15 is single string injection moulding LED sign module product.
A preferred embodiment of the present invention, single string injection moulding LED sign module sectional view as shown in figure 16, on LED module wiring board (3), welded LED lamp (3.2), paste in the circuit board after one deck adhesive layer (5), injection moulding plastic (4) again, injection moulding plastic (4) is bonded together by adhesive layer (5) and LED module wiring board (3), then with cutting mould, injection moulding plastic (4) and wiring board (3) are cut simultaneously together, make the section of plastic cement two sides and the section of wiring board form the structure of the section that coexists.
A preferred embodiment of the present invention, single string injection moulding LED sign module sectional view as shown in figure 17, be provided with the upper welding of LED module wiring board (3) the LED lamp (3.2) of inlaid hole, and then injection moulding, injection moulding plastic (4) is inlayed and is combined together to form mosaic texture (4.1) by the inlaid hole that arranges on wiring board and wiring board, then with cutting mould, injection moulding plastic (4) and wiring board (3) are cut simultaneously together, make the section of plastic cement two sides and the section of wiring board form the structure of the section that coexists.
The whole plate of a kind of wiring board of the present invention is the cutting method of injection moulding LED sign module in flakes, by the injection moulding LED sign module being uninterruptedly injection-moulded in flakes together, shear several times along its length the injection moulding LED sign module that is divided into many single strings, captured after module injection moulding the difficult problem that cannot wiring board and plastic cement be cut simultaneously with mould, make many injection mouldings in flakes of many groups simultaneously of LED sign module, and then die-cut opening, greatly improved production efficiency, significantly reduced cost.
Below by the whole plate of a kind of wiring board of the present invention, the cutting method of injection moulding LED sign module and the specific embodiment of injection moulding LED sign module are described in detail in flakes by reference to the accompanying drawings.But, it will be appreciated by those skilled in the art that the above is only to illustrate and describe some specific embodiment, to scope of the present invention, especially the scope of claim, does not have any restriction.
Claims (11)
1. LED injection moulding identifies a module, comprising:
LED module wiring board;
Weld LED lamp and other element in the circuit board;
Stick on the adhesive layer on described LED wiring board, described adhesive layer is pressure sensitive adhesive, thermoplastic or hot-setting adhesive;
Injection moulding is combined in the plastic cement on adhesive layer, and injection moulding plastic is bonded together by adhesive layer and LED module wiring board, and plastic cement two sides are sections that slitting forms, and the section of two side and the section of wiring board are at same section;
The front and back module of module string and the connecting line between module;
Wherein, described module and the connecting line between module, if the sign module of making of the wiring board of FPC or soft or hard combination, connecting line is one with module wiring board; If the LED manufacturing with rigidity PCB identifies module, connecting line is the wire of welding.
2. LED injection moulding identifies a module, comprising:
LED module wiring board, is provided with the inlaid hole that injection moulding plastic is used on wiring board;
Weld LED lamp and other element in the circuit board;
Injection moulding is in conjunction with plastic cement in the circuit board, and injection moulding plastic is inlayed and combined with wiring board by the inlaid hole arranging on wiring board, and plastic cement two sides are sections of slitting formation, and the section of two side and the section of wiring board are at same section;
The front and back module of module string and the connecting line between module;
Wherein, described module and the connecting line between module, if the sign module of making of the wiring board of FPC or soft or hard combination, connecting line is one with module wiring board; If the LED manufacturing with rigidity PCB identifies module, connecting line is the wire of welding.
3. the whole plate of a wiring board cutting method for the LED sign module of injection moulding in flakes, comprising:
Provide and cut mould, described in cut mould and comprise: patrix, described patrix is provided with n bar and shears tool section, n is greater than or equal to 1; Counterdie, described counterdie is provided with m bar and shears tool section, and m is greater than or equal to 1; Wherein, the shearing tool section of described patrix and the relevant shear tool section of described counterdie are corresponding and stagger each other and be formed into right shearing edge separately, when described upper die and lower die are sheared itemize operation, form altogether m+n-1 to shearing edge, wherein, m and n are integer, wherein m=n, or m+1=n, or m=n+1;
The LED in flakes sign module that welds LED lamp and other elements is provided, by this in flakes LED sign module insert injection moulding in injection machine, then with the injection moulding LED sign module of cutting mould and cut into single string.
4. cutting method according to claim 3, is characterized in that, the mode of described injection moulding is to one group of next group LED sign module of injection moulding again after the injection moulding of LED sign module in flakes, or will organize LED sign module whole plate injection moulding simultaneously in flakes more.
5. cutting method according to claim 3, is characterized in that, the both sides of LED sign module in flakes described in only cutting, and two of LED sign module in flakes described in not cutting makes the connecting line between described LED sign module not punched.
6. cutting method according to claim 3, it is characterized in that, with described while cutting mould continuous parting-cut, front once cut and after the section position of interface point between once cutting form irregular dislocation vestige at interface point place because of the die-cut tolerance in twice of front and back.
7. cutting method according to claim 3, is characterized in that, described shearing tool section has continuous blade; Or
At least part of shearing knife edge of described shearing tool section is the discontinuous blade with breach or concave point.
One kind by the whole plate of wiring board in flakes the LED in flakes sign module of injection moulding according to the method described in claim 3-7 any one, cut the LED sign module obtaining.
By the whole plate of wiring board in flakes the LED in flakes sign module of injection moulding cut the LED sign module obtaining, it is characterized in that, the described sign of LED in flakes module comprises:
LED sign module wiring board, is being provided with a plurality of LED lamps that are intervally arranged on LED sign module wiring board in flakes in flakes; With
Be injection-moulded in the plastic cement on LED module wiring board, wherein, the light-emitting area of described injection moulding plastic and LED lamp is concordant or approach concordant;
Wherein, described LED sign module is the described sign of LED in flakes module to be cut to the LED sign module obtaining with cutting mould; And
Wherein, described in cut mould and comprise: patrix, described patrix is provided with n bar and shears tool section, n is greater than or equal to 1; Counterdie, described counterdie is provided with m bar and shears tool section, and m is greater than or equal to 1; Wherein, the shearing tool section of described patrix and the relevant shear tool section of described counterdie are corresponding and stagger each other and be formed into right shearing edge separately, when described upper die and lower die are sheared itemize operation, form altogether m+n-1 to shearing edge, wherein, m and n are integer, wherein m=n, or m+1=n, or m=n+1.
10. LED according to claim 9 sign module, is characterized in that, between the LED module of LED sign module wiring board in flakes, connecting line is set.
11. LED sign modules according to claim 9, is characterized in that, the plastic cement section of cutting is consistent concordant with LED sign module wiring board section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410178104.1A CN103994348A (en) | 2014-04-26 | 2014-04-26 | Slitting injection molding LED identification module and method |
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| CN201410178104.1A CN103994348A (en) | 2014-04-26 | 2014-04-26 | Slitting injection molding LED identification module and method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104992629A (en) * | 2015-05-29 | 2015-10-21 | 深圳市奥拓电子股份有限公司 | Display screen lamp panel and splicing method thereof |
| CN105578788A (en) * | 2015-12-31 | 2016-05-11 | 江西凯强实业有限公司 | Manufacturing method for backlight flexible printed board |
| CN111822943A (en) * | 2019-04-23 | 2020-10-27 | 杭州三花研究院有限公司 | Method for producing electric heater and electric heater |
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| TW521865U (en) * | 2001-06-20 | 2003-02-21 | Walsin Advanced Electronics | Semiconductor packaging structure with stable surface mounting |
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| CN105578788A (en) * | 2015-12-31 | 2016-05-11 | 江西凯强实业有限公司 | Manufacturing method for backlight flexible printed board |
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