CN212377805U - Closed LED lamp area of printing opacity glued membrane preparation - Google Patents
Closed LED lamp area of printing opacity glued membrane preparation Download PDFInfo
- Publication number
- CN212377805U CN212377805U CN201921417886.4U CN201921417886U CN212377805U CN 212377805 U CN212377805 U CN 212377805U CN 201921417886 U CN201921417886 U CN 201921417886U CN 212377805 U CN212377805 U CN 212377805U
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- Prior art keywords
- lamp strip
- light
- circuit board
- strip
- led lamp
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- Expired - Fee Related
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- 238000007639 printing Methods 0.000 title claims description 22
- 239000012528 membrane Substances 0.000 title claims description 19
- 238000002360 preparation method Methods 0.000 title claims description 10
- 239000003292 glue Substances 0.000 claims abstract description 26
- 238000005520 cutting process Methods 0.000 claims abstract description 11
- 239000000853 adhesive Substances 0.000 claims abstract description 6
- 230000001070 adhesive effect Effects 0.000 claims abstract description 6
- 239000002184 metal Substances 0.000 claims description 22
- 229910052751 metal Inorganic materials 0.000 claims description 22
- 229910000679 solder Inorganic materials 0.000 claims description 9
- 230000000737 periodic effect Effects 0.000 claims description 6
- 238000010008 shearing Methods 0.000 claims description 6
- 229920001187 thermosetting polymer Polymers 0.000 claims description 2
- 239000012943 hotmelt Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 14
- 239000004033 plastic Substances 0.000 abstract description 10
- 229920003023 plastic Polymers 0.000 abstract description 10
- 230000005540 biological transmission Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 8
- 239000000463 material Substances 0.000 abstract description 7
- 239000002313 adhesive film Substances 0.000 abstract description 4
- 239000011248 coating agent Substances 0.000 abstract description 4
- 238000000576 coating method Methods 0.000 abstract description 4
- 238000001746 injection moulding Methods 0.000 abstract description 3
- 239000010408 film Substances 0.000 description 30
- 238000010073 coating (rubber) Methods 0.000 description 5
- 239000002390 adhesive tape Substances 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 230000003064 anti-oxidating effect Effects 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- 239000013039 cover film Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000007650 screen-printing Methods 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000007666 vacuum forming Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model relates to a closed LED lamp belt made of a light-transmitting adhesive film, in particular to a single-sided or double-sided circuit board, a component comprising an LED lamp is pasted and welded on the front surface of the circuit board by an SMT process, coating a light-transmitting adhesive on the light-transmitting film, preparing the coated light-transmitting film into a light-transmitting film containing a plurality of cups by adopting a plastic suction or injection molding mode, then the light transmission film cup is downwards attached to the surface of the circuit board element in a contraposition way, each element is covered with a cup, the cup is cut into single strips by a cutting machine to manufacture a closed LED lamp strip made of single light transmission film, and the closed LED lamp strip made of light transmission film is manufactured, the closed LED lamp strip of the utility model replaces the LED lamp strip in the current industry to be waterproof by glue dripping, waterproof by glue coating, and the LED lamp strip sheathing pipe is waterproof, the material cost is low, and a plurality of lamp strip jointed boards are manufactured together, so that the production efficiency is greatly improved.
Description
Technical Field
The utility model relates to a circuit board field, concretely relates to closed LED lamp area of printing opacity glued membrane preparation.
Background
At present, waterproof LED lamp belts in the industry are generally waterproof by adopting the following two modes, firstly, glue is dripped on a front cover film of a single LED lamp belt circuit board and welded components to form a thick glue layer which is much higher than the components, the glue consumption of the method is large, high-temperature-resistant expensive PI needs to be pasted on the front of the lamp belt circuit board to be used as the cover film, a protection circuit is not easy to break, the material cost is high, and the single operation production efficiency is low.
The other method is to adopt a mode of rubber coating or casing tube to prevent water for the single LED lamp strip, the method also has the advantages that the circuit board of the lamp strip can be protected from being broken only by using a high-temperature-resistant expensive PI as a covering film, the material cost of the rubber coating or casing tube is high, and the production efficiency of single operation is low.
In order to overcome the defects and shortcomings, the LED lamp strip circuit board is made into a solder mask ink circuit board with a cheap front surface, a whole-plate cap cover which is manufactured by plastic suction or injection molding through a light transmission film with light transmission glue is pasted to the surface of the lamp strip circuit board on which the LED element is welded, the cap cover is covered on the element corresponding to the position of the element, then pressing by a hot press to enable the cap film to be tightly and firmly adhered on the circuit board, then cutting into single lamp strips to manufacture the closed LED lamp strip made of the light-transmitting adhesive film, replacing the LED lamp strip in the current industry to be waterproof by glue dripping, waterproof by rubber coating and waterproof by a LED lamp strip wrapping sleeve, the light-transmitting film with the light-transmitting glue not only replaces the covering film on the circuit board, but also replaces the waterproof glue, and the low-temperature material is low in cost, and a plurality of lamp strip jointed boards are manufactured together, so that the production efficiency is greatly improved.
SUMMERY OF THE UTILITY MODEL
The utility model relates to a closed LED lamp belt made of a light-transmitting adhesive film, in particular to a single-sided or double-sided circuit board, a component comprising an LED lamp is pasted and welded on the front surface of the circuit board by an SMT process, coating a light-transmitting adhesive on the light-transmitting film, carrying out plastic suction on the glued light-transmitting film by adopting a plastic suction or injection molding mode to prepare the light-transmitting film containing a plurality of cups, then the light transmission film cup is downwards attached to the surface of the circuit board element in a contraposition way, each element is covered with a cup, the cup is cut into single strips by a cutting machine to manufacture a closed LED lamp strip made of single light transmission film, and the closed LED lamp strip made of light transmission film is manufactured, the closed LED lamp strip of the utility model replaces the LED lamp strip in the current industry to be waterproof by glue dripping, waterproof by glue coating, and the LED lamp strip sheathing pipe is waterproof, the material cost is low, and a plurality of lamp strip jointed boards are manufactured together, so that the production efficiency is greatly improved.
According to the utility model also provides a closed LED lamp area of printing opacity glued membrane preparation, include: a single-sided or double-sided lamp strip circuit board; an element layer including an LED soldered on the lamp strip circuit board; a light-transmitting film layer with a cup and a light-transmitting glue; a metal connection point; it is characterized by that the lamp band circuit board is designed into a plurality of periodic identical circuits, several periodic circuits are formed together to form long lamp band circuit board, the components welded on every period of lamp band are identical, said lamp band is a long lamp band formed from several periodic short lamp bands, between every period a shearing position is set, and can be sheared at any shearing position and can be used alone, and beside every shearing position a metal connecting point is set, said metal connecting point can be used for interconnection between lamp bands or for connecting power supply of lamp band, and the metal connecting point is placed on the back surface of circuit board and/or on the front circuit metal of circuit board, and the light-transmitting film and circuit board are firmly stuck together by means of light-transmitting glue, and on the lamp band a light-transmitting film with several cups is set, and on the elements all the light-transmitting film cups are set, or on the elements and on the metal connecting points (but not limited to elements and metal connecting points) the light-transmitting films are set, the light-transmitting film with the light-transmitting glue is adhered to the lamp strip, so that the lamp strip becomes an LED (light-emitting diode) closed lamp strip, each lamp strip is a single lamp strip formed by cutting a plurality of connected lamp strips into sections, and the side faces of the circuit board and the side face of the light-transmitting film of each side face are on the same cutting tool face on the side faces of two sides of the lamp strip facing to the longitudinal direction (the longitudinal direction).
According to the utility model discloses a preferred embodiment, a closed LED lamp area of printing opacity glued membrane preparation, its characterized in that, printing opacity glue be the transparent glue of thermosetting type, perhaps heat-melt type transparent glue.
According to the utility model discloses a preferred embodiment, a closed LED lamp area of printing opacity glued membrane preparation, its characterized in that, the printing opacity membrane is the printing opacity membrane that PET, or PVC, or PC, or PE, or PP, or PU material made.
According to the utility model discloses a preferred embodiment, a closed LED lamp area of printing opacity glued membrane preparation, a characterized in that, printing opacity membrane be colorless complete transparent printing opacity membrane, or colored printing opacity membrane, or translucent vaporific printing opacity membrane.
According to the utility model discloses a preferred embodiment, a closed LED lamp area of printing opacity glued membrane preparation, its characterized in that, when having the metal tie point on the positive circuit, the metal tie point is positive metal connection pad, the pad limit of connecting the pad has to hinder and welds.
According to the utility model discloses a preferred embodiment, a closed LED lamp area of printing opacity glued membrane preparation, its characterized in that can add the one deck double faced adhesive tape at the LED lamp area back to on two sides in LED lamp area, lamp area circuit board side, printing opacity membrane side and double faced adhesive tape side all are on same knife face of cutting.
The details of one or more embodiments of the invention are set forth in the accompanying drawings and the description below.
Drawings
The features, objects, and advantages of the present invention will become more apparent from the reading of the specification in conjunction with the following drawings, a brief description of which follows.
Fig. 1 is a schematic plan view of an LED strip circuit board.
Fig. 2 is a schematic plan view of an LED lamp on a circuit board of the LED lamp strip after the LED lamp is welded.
Fig. 3 is a schematic cross-sectional view of an LED lamp soldered on a circuit board of the LED lamp strip.
Fig. 4 is a schematic three-dimensional view of an LED lamp soldered on a circuit board of the LED lamp strip.
Fig. 5 is a schematic plan view of a plurality of caps with one convex surface and the other concave surface formed by plastic-suction molding with a light-transmitting film with light-transmitting glue.
FIG. 6 is a schematic cross-sectional view of a plurality of caps with one convex surface and the other concave surface formed by plastic-suction molding with a transparent film with transparent glue.
Fig. 7 is a schematic perspective view of a plurality of caps with one convex surface and the other concave surface formed by plastic-suction molding with a light-transmitting film with light-transmitting glue.
Fig. 8 is a schematic three-dimensional view of alignment and attachment of the blister-formed cap and the lamp strip circuit board welded with the element.
Fig. 9 is a schematic cross-sectional view of the blister formed cap and the single-sided lamp strip circuit board welded with the components after aligned and attached together.
Fig. 10 is a schematic cross-sectional view of the blister-formed cap and the double-sided tape circuit board with the components soldered thereon aligned and attached together.
Fig. 11 is a schematic cross-sectional view of the two-sided tape circuit board welded with the component and the cap formed by vacuum forming at the position of the metal connection point after the cap and the circuit board are aligned and attached together.
Fig. 12 is a schematic cross-sectional view of the cut waterproof LED strip at two cut-out locations.
Fig. 13 is a schematic perspective view of a cut-out single waterproof LED strip.
Detailed Description
The present invention will be described in detail below by taking preferred embodiments as examples.
It will be understood by those skilled in the art that the following descriptions are provided for purposes of illustration and description of certain preferred embodiments only and are not intended to limit the scope of the present invention.
The LED lamp strip circuit board 1 is manufactured by adopting a traditional circuit board manufacturing process, namely, a flexible copper clad plate is subjected to processes of silk-screen circuit anti-corrosion ink, baking and curing, etching, film stripping, silk-screen front ink solder mask 1.3, element bonding pads 1.1 and metal connecting points 1.2 exposure, baking, character, baking and curing, OSP anti-oxidation surface treatment and the like (as shown in figures 1 and 9), wherein the lamp strip circuit board 1 shown in figure 1 is a single-sided lamp strip circuit board 1a or a double-sided lamp strip circuit board 1 b.
Or drilling, copper deposition, copper plating, dry film pasting, scene exposure and display, etching, film stripping, silk-screen printing of front ink solder mask 1.3 to expose element bonding pads 1.1 and metal connection points 1.2, baking, silk-screen printing of back ink solder mask, baking, character baking, OSP anti-oxidation surface treatment and other processes are carried out on the double-sided flexible copper-clad plate to manufacture the LED lamp strip circuit board 1 (as shown in figures 1 and 10), wherein the lamp strip circuit board 1 shown in figure 1 is a single-sided lamp strip circuit board 1a or a double-sided lamp strip circuit board 1 b.
The method comprises the steps of printing solder paste on an element bonding pad 1.1 of a lamp strip circuit board 1 by using a steel mesh on a solder paste printing machine by adopting a traditional SMT (surface mount technology), correspondingly mounting LED lamp beads 2.1 and resistors 2.2 on the bonding pad 1.1 printed with the solder paste, welding EED lamp beads 2.1 and the resistors 2.2 on the lamp strip circuit board 1 through reflow soldering, and manufacturing a plurality of spliced plates connected together to form the bare lamp strip welded with an LED lamp (shown in figures 2, 3 and 4).
The transparent film 3 coated with the transparent glue 3.2 is subjected to plastic-sucking molding processing on a plastic-sucking machine by using a plastic-sucking mold, and a plurality of caps 3.1 with one convex surface and the other concave surface are manufactured (as shown in fig. 5, 6 and 7).
On a bare lamp strip with a plurality of jointed boards connected together, wherein an LED lamp 2.1 and a resistor 2.2 are welded on the bare lamp strip, a cap 3.1 of a light-transmitting film 3 is attached to a lamp strip circuit board 1 in an alignment way corresponding to the LED lamp 2.1 and the resistor 2.2 (as shown in figures 8, 9 and 10), wherein figure 9 is a plane schematic diagram of the cap formed by plastic suction and a single-sided lamp strip circuit board welded with elements after the cap formed by plastic suction and the single-sided lamp strip circuit board welded with elements are attached together in an alignment way, figure 10 is a plane schematic diagram of the cap formed by plastic suction and the double-sided lamp strip circuit board welded with elements after the cap formed by plastic suction are attached together in an alignment way, then a hot press is used for pressing, so that the light-transmitting film 3 containing a plurality of caps 3.1 is tightly and firmly attached to the circuit board 1 to form a plurality of LED closed lamp strips connected together, a solder mask 1.3 (as shown in figure 11) is arranged at the position of a metal connecting point 1.2, then the plurality of the LED closed, 13) of the light strip, the side surfaces of the light strip circuit board 1 and the side surface of the light-transmitting film 3 of each side surface are on the same cutting surface on two side surfaces of the light strip towards the longitudinal direction (the long direction), namely the side surfaces 1.4a and 1.4b (as shown in fig. 12).
Or, the back of the lamp strip which is formed by cutting a plurality of connected LED closed lamp strips into single strips can be pasted with the double-sided adhesive tape, and then the lamp strips are cut into single strips to manufacture the single closed LED lamp strip made of the light-transmitting adhesive film, and the side surfaces of the lamp strip circuit board, the side surface of the light-transmitting film and the side surface of the double-sided adhesive tape are all arranged on the same cutting surface.
The utility model discloses with LED lamp area circuit board, the whole board bonnet that the printing opacity membrane through taking the printing opacity to glue plastics or mould plastics and make pastes and glues which one side that has the LED component to the lamp area circuit board, the bonnet corresponds the components and parts position cover on components and parts, then with the hot press pressfitting, make the bonnet membrane closely firmly paste on the circuit board, the heating makes the adhesive solidification, then divide the list to be cut into the lamp area, the closed LED lamp area of making, it is waterproof to replace the LED lamp area rubber coating in the present trade, LED lamp area rubber coating is waterproof, it is waterproof with LED lamp area cover pipe, low material cost, and be many lamp area makeup and make production together, the production efficiency height has been improved greatly.
The present invention has been described in detail with reference to the accompanying drawings, in which the light-transmitting film is formed as a single layer. It will be understood by those skilled in the art, however, that the foregoing is illustrative and descriptive of some specific embodiments only, and not limiting as to the scope of the invention, and particularly the scope of the claims.
Claims (6)
1. A closed LED lamp area of printing opacity glued membrane preparation includes:
a single-sided or double-sided lamp strip circuit board;
an element layer including an LED soldered on the lamp strip circuit board;
a light-transmitting film layer with a cup and a light-transmitting glue;
a metal connection point;
the LED lamp strip is characterized in that a lamp strip circuit board is designed into a plurality of periodic identical circuits, the plurality of periodic circuits are combined together to form a long lamp strip circuit board, components welded on each period of the lamp strip are identical, the lamp strip is a long lamp strip consisting of a plurality of periodic short lamp strips, a shearing position is arranged between each period and can be sheared at any shearing position for independent use, metal connecting points are arranged beside each shearing position and used for interconnection between the lamp strips or power supply connection of the lamp strip, the metal connecting points are arranged on the back surface of the circuit board and/or on the front circuit metal of the circuit board, light-transmitting films with a plurality of cups are firmly bonded together by light-transmitting glue, the lamp strip is provided with the light-transmitting films with the cups, or the elements and the metal connecting points are covered with the light-transmitting films, the light-transmitting film with the light-transmitting glue is adhered to the lamp strip, so that the lamp strip becomes an LED (light-emitting diode) closed lamp strip, each lamp strip is a single lamp strip formed by cutting a plurality of connected lamp strips into sections, the side faces of the two sides of the lamp strip facing the longitudinal direction are arranged on the same cutter face, and the side face of the circuit board of each side face and the side face of the light-transmitting film are arranged on the same cutter face.
2. The enclosed LED strip as claimed in claim 1, wherein the transparent adhesive is a thermosetting transparent adhesive or a hot-melt transparent adhesive.
3. The enclosed LED strip of claim 1, wherein the transparent film is made of PET, PVC, PC, PE, PP, or PU.
4. The enclosed LED strip as claimed in claim 3, wherein the transparent film is colorless transparent, colored, or translucent and foggy.
5. The enclosed LED strip of claim 1, wherein the metal connection points are front metal connection pads and solder mask is provided on the edge of the connection pads when the front circuit has the metal connection points.
6. The enclosed LED strip of claim 1 or 2, wherein a double-sided tape is applied to the back of the LED strip, and the two sides of the LED strip, the side of the circuit board of the strip, the side of the transparent film and the side of the double-sided tape are on the same cutting surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921417886.4U CN212377805U (en) | 2019-08-24 | 2019-08-24 | Closed LED lamp area of printing opacity glued membrane preparation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921417886.4U CN212377805U (en) | 2019-08-24 | 2019-08-24 | Closed LED lamp area of printing opacity glued membrane preparation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212377805U true CN212377805U (en) | 2021-01-19 |
Family
ID=74156527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921417886.4U Expired - Fee Related CN212377805U (en) | 2019-08-24 | 2019-08-24 | Closed LED lamp area of printing opacity glued membrane preparation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212377805U (en) |
-
2019
- 2019-08-24 CN CN201921417886.4U patent/CN212377805U/en not_active Expired - Fee Related
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Legal Events
| 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: 20210119 |