CN115013750A - Lamp strip containing flexible light-transmitting adhesive tape and manufacturing method thereof - Google Patents

Lamp strip containing flexible light-transmitting adhesive tape and manufacturing method thereof Download PDF

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Publication number
CN115013750A
CN115013750A CN202110273222.0A CN202110273222A CN115013750A CN 115013750 A CN115013750 A CN 115013750A CN 202110273222 A CN202110273222 A CN 202110273222A CN 115013750 A CN115013750 A CN 115013750A
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CN
China
Prior art keywords
light
adhesive tape
transmitting
flexible
strip
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Pending
Application number
CN202110273222.0A
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Chinese (zh)
Inventor
王定锋
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Individual
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Individual
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Priority to CN202110273222.0A priority Critical patent/CN115013750A/en
Publication of CN115013750A publication Critical patent/CN115013750A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S4/00Lighting devices or systems using a string or strip of light sources
    • F21S4/20Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports
    • F21S4/22Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports flexible or deformable, e.g. into a curved shape
    • F21S4/24Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports flexible or deformable, e.g. into a curved shape of ribbon or tape form, e.g. LED tapes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00Fastening of light sources or lamp holders
    • F21V19/001Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • F21V19/0015Fastening arrangements intended to retain light sources
    • F21V19/002Fastening arrangements intended to retain light sources the fastening means engaging the encapsulation or the packaging of the semiconductor device
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00Arrangement of electric circuit elements in or on lighting devices
    • F21V23/02Arrangement of electric circuit elements in or on lighting devices the elements being transformers, impedances or power supply units, e.g. a transformer with a rectifier
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00Light-generating elements of semiconductor light sources
    • F21Y2115/10Light-emitting diodes [LED]

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Led Device Packages (AREA)

Abstract

The invention relates to a lamp strip containing a flexible light-transmitting adhesive tape and a manufacturing method thereof, and particularly relates to a bare lamp strip manufactured by welding LEDs or LEDs and control elements on a flexible circuit board, extruding flexible light-transmitting resin into the flexible light-transmitting adhesive tape by an extruder, wherein the flexible light-transmitting adhesive tape contains 1 or 2 grooves, adhering the flexible light-transmitting adhesive tape on the bare lamp strip by an adhesive, and making the LEDs into the grooves.

Description

Lamp belt containing flexible light-transmitting adhesive tape and manufacturing method thereof
Technical Field
The invention relates to the field of LEDs and application thereof, in particular to a lamp strip containing a flexible light-transmitting adhesive tape and a manufacturing method thereof.
Background
In the LED lamp strip in the prior art, the waterproof or moisture-proof glue is prepared by the following process technologies:
1, on naked lamp area, with the crowded resin glue of extruder, make the whole quilt parcel in LED naked lamp area all around live, this kind of way, it is big with the volume of gluing, with high cost, the lamp area weight of making moreover is big, pastes insecure with double faced adhesive tape during the installation, generally uses PVC resin or organic silicon resin moreover, and the viscidity of these two kinds of resins and double faced adhesive tape is poor, so all use a lot of checkposts chucking during the installation of this kind of lamp area, the installation is slow, it is pleasing to the eye after the installation.
2, pack into naked lamp area in the sleeve pipe of making in advance, make the whole quilt of LED naked lamp area wrap up all around, this kind of way, it is big with the volume of gluing, with high cost, the lamp area weight of making moreover is big, pastes insecurely with double faced adhesive tape during the installation, is the sleeve pipe of making with PVC resin or organic silicon resin moreover generally, and the viscidity of these two kinds of resins and double faced adhesive tape is poor, so all use many checkposts chucking during the installation of this kind of lamp area, the installation is slow, and is pleasing to the eye after the installation.
3, dripping liquid PU glue or silica gel or epoxy glue on the single bare lamp strip, and then placing and curing, wherein the single production efficiency is very low; the glue is expensive and high in cost, and the glue is not resistant to yellowing; and the manufactured shape has poor consistency.
The waterproof and moistureproof lamp belt with the adhesive light-transmitting adhesive tape is manufactured by the following technology, and the manufacturing advantages are great, and the specific method is as follows:
a manufacturing method of a lamp strip containing flexible light-transmitting glue is characterized in that the flexible glue strips are provided with 1 or 2 grooves, the LED lamps are 1 row of lamps or 2 rows of lamps, the LED lamps are arranged in the grooves, and on two side surfaces in the length direction of the lamp strip, two side surfaces of the circuit board and two side surfaces of the glue strips are respectively arranged on the same cutter face.
Firstly, only one side with the LED is pasted with the adhesive tape, so that the LED lamp is light in weight, small in resin consumption and low in cost.
Secondly, only one side of the lamp with the LED is pasted with the adhesive tape, the weight is small, the back side of the lamp is pasted with the double-sided adhesive tape when the lamp is used and installed, the lamp is directly pasted with the surface of the circuit board, and the lamp is light and easy to be pasted firmly and does not fall off.
And thirdly, the adhesive tape made of the extruded resin is generally PVC or organic silicon extruded resin and is not easy to yellow.
Fourthly, the lamp strips are connected together and then are separated, and the efficiency is high.
Fifthly, the shape and thickness of each position on the lamp strip are high in consistency.
Sixthly, the strip-shaped lens with various light-emitting angles can be made, and the light-emitting angle is controlled.
Disclosure of Invention
The invention relates to a lamp strip containing a flexible light-transmitting adhesive tape and a manufacturing method thereof, and particularly relates to a bare lamp strip manufactured by welding LEDs or LEDs and control elements on a flexible circuit board, extruding flexible light-transmitting resin into the flexible light-transmitting adhesive tape by an extruder, wherein the flexible light-transmitting adhesive tape contains 1 or 2 grooves, adhering the flexible light-transmitting adhesive tape on the bare lamp strip by an adhesive, and making the LEDs into the grooves.
The invention provides a method for manufacturing a lamp strip containing flexible light-transmitting adhesive strips, which comprises the steps of welding LEDs or LEDs and control elements on a connected circuit board containing a plurality of lamp strip circuit boards to manufacture a connected bare lamp strip, extruding flexible light-transmitting resin into a connected resin plate containing a plurality of flexible light-transmitting adhesive strips by an extruder, wherein each flexible light-transmitting adhesive strip contains 1 or 2 grooves, accurately aligning and adhering the resin plate on the connected bare lamp strip by an adhesive, enabling the LEDs to face the groove positions of the adhesive plate, and cutting into a plurality of lamp strips containing the flexible light-transmitting adhesive strips by a slitting machine, and the manufactured lamp strip is characterized in that the lamp strip is the lamp strip manufactured by covering the flexible light-transmitting adhesive strips on the bare lamp strip, the flexible light-transmitting adhesive strips contain 1 or 2 grooves, the LED lamps are 1 row of lamps or 2 rows of lamps, enabling the LEDs to face the groove positions of the flexible light-transmitting adhesive strips, and two side surfaces of the circuit boards and two side surfaces of the flexible light-transmitting adhesive strips in the length direction of the lamp strip, respectively on the same cutting face of the two side faces.
According to the invention, the invention also provides a lamp strip containing the flexible light-transmitting adhesive tape, which comprises: a flexible circuit board; LED or LED and control element; a flexible light-transmitting adhesive tape; the LED lamp is characterized in that the LED or the LED and the control element are welded on the flexible circuit board, the flexible light-transmitting adhesive tape and the flexible circuit board are adhered together, 1 or 2 grooves are formed in the flexible light-transmitting adhesive tape, the LED lamp is a row of 1 or 2 lamps, the LED lamp faces the groove position of the flexible light-transmitting adhesive tape, and the two side surfaces of the flexible circuit board and the two side surfaces of the flexible light-transmitting adhesive tape are respectively arranged on the same knife cutting surface of the two side surfaces in the length direction of the lamp strip.
According to a preferred embodiment of the present invention, the light strip with the flexible light-transmitting adhesive tape is characterized in that the flexible light-transmitting adhesive tape is an adhesive tape in which all positions of the adhesive are light-transmitting, or an adhesive tape in which one part of the adhesive is light-transmitting and the other part of the adhesive is light-non-light-transmitting, and after the light strip is powered on and lighted, light emitted by the LED passes through a light-transmitting body of the flexible light-transmitting adhesive tape and is emitted outward.
According to a preferred embodiment of the present invention, the light strip with the flexible light-transmitting adhesive tape is characterized in that the flexible light-transmitting adhesive tape and the flexible circuit board are adhered together by an adhesive, and two side surfaces in the length direction of the light strip, two side surfaces of the flexible circuit board and two side surfaces of the adhesive are respectively on the same cutting surface of the two side surfaces.
According to a preferred embodiment of the present invention, the light strip with the flexible light-transmitting adhesive tape is characterized in that the flexible light-transmitting adhesive tape is also a flexible strip lens, light emitted from the LED passes through the flexible light-transmitting adhesive tape to be emitted outwards, and the light emitting direction of the light emitted outwards is changed.
According to a preferred embodiment of the present invention, the light strip with the flexible light-transmitting adhesive tape is characterized in that the adhesive for adhering the light-transmitting adhesive tape is also adhered to the surface of the LED, or is prevented from being adhered to the surface of the LED.
According to a preferred embodiment of the present invention, the light strip with the flexible light-transmitting adhesive tape is characterized in that a double-sided adhesive tape is adhered to the back surface of the light strip, and two side surfaces in the length direction of the light strip, two side surfaces of the double-sided adhesive tape and two side surfaces of the circuit board are respectively on the same cutting surface of the two side surfaces.
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 description set forth below when taken in conjunction with the drawings, a brief description of which follows.
Fig. 1 is a schematic plan view of a connected bare lamp strip with an inverted LED chip.
Fig. 2 is a schematic cross-sectional view of a one-piece bare lamp strip with an inverted LED chip.
Fig. 3 is a schematic perspective view of a conjoined rubber plate containing 4 rubber strips.
FIG. 4 is a schematic cross-sectional view of a one-piece panel comprising 4 strips of gum.
Fig. 5 is a schematic cross-sectional view of a flip-chip LED chip connected light strip including a connected rubber sheet.
Fig. 6 is a schematic cross-sectional view of a single strip of light comprising a flexible light-transmitting strip of adhesive.
Fig. 7 is a schematic plan view of a connected bare lamp strip of LED lamp beads.
FIG. 8 is a schematic cross-sectional view of a connected bare lamp strip of LED lamp beads.
FIG. 9 is a schematic cross-sectional view of a one-piece panel containing 4 strips of gum.
FIG. 10 is a schematic plan view of a perforated hot melt adhesive film.
FIG. 11 is a schematic cross-sectional view of a hot-melt adhesive film bonded to a conjoined rubber sheet.
Fig. 12 is a schematic cross-sectional view of a connected lamp strip including LED beads of a connected rubber sheet.
Fig. 13 is a schematic cross-sectional view of a single strip of light comprising a flexible light-transmissive strip of adhesive.
Fig. 14 is a schematic cross-sectional view of a light strip with a flexible light-transmitting strip of double-sided adhesive.
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.
Example one
1. Manufacturing method of connected bare lamp strip
The integrated circuit board 1.1 is used for fixing the inverted LED chip 1.2 and the small resistor 1.3 on the circuit board through tin paste, reflow soldering is conducted, then the fluorescent powder glue 1.4 is dripped on the inverted LED chip through a glue dripping machine, and the fluorescent powder glue is solidified through an oven to form the integrated bare lamp strip with the inverted LED chip (shown in figures 1 and 2).
2. Manufacture of conjoined rubber plate
With double-colored extruder extrusion mode, to be in the white PVC resin granule that will be in the light is put into extruder A melten gel bucket, put into B melten gel bucket with printing opacity PVC resin, install the extrusion tooling who contains 4 printing opacity adhesive tapes of design preparation on the extruder, start the extruder and preheat, extrude two kinds of PVC heating back simultaneously from the mould, through the water cooling, make the disjunctor offset plate 2.1 that contains 4 printing opacity adhesive tapes, every printing opacity adhesive tape, it is as an organic whole to glue by the white PVC that is in the light of lighttight and printing opacity PVC resin and constitute, be formed with 4 grooves on the offset plate (fig. 3, shown in fig. 4).
3. Bonding of
Firstly, a hot melt adhesive film 3.1 is bonded on an adhesive plate 2.1 formed by the connected light-transmitting adhesive tape, then a release layer of the hot melt adhesive film is torn off, heating is carried out, the adhesive plate 2.1 formed by the connected light-transmitting adhesive tape is bonded on the connected bare lamp strip through hot melt adhesive 3.1, and the inverted LED chip is aligned to a groove of the adhesive plate formed by the connected light-transmitting adhesive tape to manufacture the connected lamp strip (shown in figure 5) containing the adhesive plate of the connected light-transmitting adhesive tape.
4. Slitting
The conjoined lamp strip containing the rubber plate of the conjoined rubber strip is cut into single strips by a strip dividing machine, the side surfaces of two sides of the flexible light-transmitting rubber strip, the side surfaces of two sides of the circuit board and the side surfaces of two sides of the adhesive are respectively provided with A1 or A2 on the same cutter surface of the side surfaces of two sides, and the single strip of the lamp strip containing the flexible light-transmitting rubber strip is manufactured (shown in figure 6).
Example two
1, manufacturing of connected bare lamp strip
And fixing the LED lamp beads 1.2a and the small resistors 1.3a on the circuit board by using the connected circuit board 1.1a through solder paste, and then performing reflow soldering to manufacture the connected bare lamp strip welded with the LED lamp beads (shown in figures 7 and 8).
2, manufacture of the conjoined rubber plate
The method comprises the steps of putting light-transmitting PVC resin into a B molten rubber barrel in a single-color extruder extrusion mode, installing a designed and manufactured extrusion die containing 4 rubber strips on the extruder, starting the extruder and preheating, extruding PVC from the die after heating and melting, and cooling by water to prepare the connected rubber plate 2.1a containing 4 rubber strips, wherein 4 grooves are formed in the connected rubber plate 2.1a (shown in figure 9).
3, preparation of Hot-melt adhesive film
And punching the corresponding position of the LED lamp bead of the connected bare lamp strip by using the hot melt adhesive film 3.1a through a die to prepare the hot melt adhesive film with the hole (shown in figure 10).
4. Bonding of
Firstly, a hot melt adhesive film is adhered to one surface of a connected rubber plate belt groove, then a release layer of the hot melt adhesive film is torn off, heating is carried out, the connected rubber plate is adhered to a connected bare lamp belt of LED lamp beads through the hot melt adhesive, the LED lamp beads are aligned to holes of the hot melt adhesive, and the connected lamp belt (shown in figures 11 and 12) containing the LED lamp beads of the connected rubber plate is manufactured.
5, slitting
5.1, cutting directly into single strips
The connected lamp strip containing the LED lamp beads of the connected rubber plate is cut into single strips by a strip cutting machine, the two side surfaces of the flexible light-transmitting rubber strip, the two side surfaces of the circuit board and the two side surfaces of the adhesive are respectively provided with A1 or A2 on the same cutter surface of the two side surfaces, and the single strip LED lamp strip containing the flexible light-transmitting rubber strip is manufactured (shown in figure 13).
5.2, sticking double-sided adhesive tape on the back surface, cutting into single strips,
and (3) sticking a double-sided adhesive tape 4.1a to the back of the connected lamp strip containing the LED lamp beads of the connected rubber plate, then cutting the connected lamp strip into single strips by a slitting machine, and respectively coating A1 or A2 on the same cutting surface of the two side surfaces, the two side surfaces of the circuit board, the two side surfaces of the adhesive and the two side surfaces of the double-sided adhesive to prepare the LED lamp strip containing the flexible light-transmitting adhesive tape with the double-sided adhesive (shown in figure 14).
The invention is described in detail with reference to the drawings, in which specific embodiments of a light strip with a flexible light-transmitting adhesive tape and a method for manufacturing the same are described. It will be understood by those skilled in the art, however, that the foregoing descriptions are merely illustrative of and descriptive of certain embodiments and that the invention, including the claims, is not to be in any way limiting.

Claims (7)

1. A method for manufacturing a lamp strip containing flexible light-transmitting adhesive tapes comprises the steps of welding LEDs or LEDs and control elements on a connected circuit board containing a plurality of lamp strip circuit boards to manufacture a connected bare lamp strip, extruding flexible light-transmitting resin into a connected resin plate containing a plurality of flexible light-transmitting adhesive tapes by an extruder, wherein each flexible light-transmitting adhesive tape contains 1 or 2 grooves, adhering the resin plate on the connected bare lamp strip in an accurate alignment manner by using an adhesive, the LEDs face the groove positions of the adhesive plate, and cutting into a plurality of lamp strips containing the flexible light-transmitting adhesive tapes by using a slitting machine, wherein the manufactured lamp strip is characterized in that the lamp strip is a lamp strip formed by covering the flexible light-transmitting adhesive tapes on the bare lamp strip, the flexible light-transmitting adhesive tapes are provided with 1 or 2 grooves, the LED lamps are 1 row of lamps or 2 rows of lamps, the LEDs face the groove positions of the flexible light-transmitting adhesive tapes, and the side surfaces of two sides of the circuit boards and the side surfaces of the flexible light-transmitting adhesive tapes in the length direction of the lamp strip, respectively on the same cutting face of the two side faces.
2. A light strip comprising a flexible light-transmissive strip, comprising:
a flexible circuit board;
LED or LED and control element;
a flexible light-transmitting adhesive tape;
the LED lamp is characterized in that the LED or the LED and the control element are welded on the flexible circuit board, the flexible light-transmitting adhesive tape and the flexible circuit board are adhered together, 1 or 2 grooves are formed in the flexible light-transmitting adhesive tape, the LED lamp is a row of 1 or 2 lamps, the LED lamp faces the groove position of the flexible light-transmitting adhesive tape, and the two side surfaces of the flexible circuit board and the two side surfaces of the flexible light-transmitting adhesive tape in the length direction of the lamp strip are respectively arranged on the same knife cutting surface of the two side surfaces.
3. A light strip containing a flexible light-transmitting adhesive tape according to claim 1 or 2, wherein the flexible light-transmitting adhesive tape is an adhesive tape in which all positions of the adhesive tape are light-transmitting, or an adhesive tape in which one part of the adhesive tape is light-transmitting and the other part of the adhesive tape is light-non-light-transmitting, and after the light strip is powered on and lightened, light emitted by the LED passes through the light-transmitting position of the flexible light-transmitting adhesive tape and is emitted outwards.
4. A light strip containing a flexible light-transmitting adhesive tape according to claim 1 or 2, wherein the flexible light-transmitting adhesive tape and the flexible printed circuit board are adhered together by an adhesive, and two side surfaces of the light strip in the longitudinal direction, two side surfaces of the flexible printed circuit board and two side surfaces of the adhesive are respectively on the same cutting surface of the two side surfaces.
5. A light strip containing a flexible light-transmitting adhesive tape according to claim 1 or 2, wherein said flexible light-transmitting adhesive tape is also a flexible strip lens, light emitted from the LED is emitted outwards through the flexible light-transmitting adhesive tape, and the direction of the light emitted outwards is changed.
6. A light strip comprising a flexible strip of light-transmitting adhesive as claimed in claim 1 or 2, wherein the adhesive adhering to the strip of light-transmitting adhesive also adheres to the surface of the LED or avoids the LED from adhering to the surface of the LED.
7. A light strip containing a flexible light-transmitting adhesive tape according to claim 1 or 2, wherein a double-sided adhesive tape is adhered to the back surface of the light strip, and both side surfaces in the longitudinal direction of the light strip, both side surfaces of the double-sided adhesive tape and both side surfaces of the circuit board are respectively provided on the same cutting surface of both side surfaces.
CN202110273222.0A 2021-03-06 2021-03-06 Lamp strip containing flexible light-transmitting adhesive tape and manufacturing method thereof Pending CN115013750A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110273222.0A CN115013750A (en) 2021-03-06 2021-03-06 Lamp strip containing flexible light-transmitting adhesive tape and manufacturing method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110273222.0A CN115013750A (en) 2021-03-06 2021-03-06 Lamp strip containing flexible light-transmitting adhesive tape and manufacturing method thereof

Publications (1)

Publication Number Publication Date
CN115013750A true CN115013750A (en) 2022-09-06

Family

ID=83064251

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110273222.0A Pending CN115013750A (en) 2021-03-06 2021-03-06 Lamp strip containing flexible light-transmitting adhesive tape and manufacturing method thereof

Country Status (1)

Country Link
CN (1) CN115013750A (en)

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Application publication date: 20220906

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