CN112944230A - Special-shaped LED lamp strip and manufacturing method thereof - Google Patents
Special-shaped LED lamp strip and manufacturing method thereof Download PDFInfo
- Publication number
- CN112944230A CN112944230A CN201911334147.3A CN201911334147A CN112944230A CN 112944230 A CN112944230 A CN 112944230A CN 201911334147 A CN201911334147 A CN 201911334147A CN 112944230 A CN112944230 A CN 112944230A
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- Prior art keywords
- lamp strip
- circuit board
- positions
- welding
- elements
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/90—Methods of manufacture
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/38—Cutting-out; Stamping-out
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S4/00—Lighting devices or systems using a string or strip of light sources
- F21S4/20—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports
- F21S4/22—Lighting 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
- F21S4/24—Lighting 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V31/00—Gas-tight or water-tight arrangements
- F21V31/04—Provision of filling media
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING 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
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Mechanical Engineering (AREA)
- Led Device Packages (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
The invention relates to a special-shaped LED lamp strip and a manufacturing method thereof, in particular to a special-shaped LED lamp strip which is characterized in that a lamp strip circuit board is designed into a plurality of strips which are arranged in parallel, staggered jointed boards are arranged from top to bottom at intervals, odd-number and even-number are arranged in a staggered mode, the narrow part of each strip is the wider part of a left adjacent board and a right adjacent board, after elements are pasted and welded on the circuit board, double-sided adhesive tape is pasted on the back surface, and then the circuit board and the double-sided adhesive tape are cut into single lamp strips by a knife die.
Description
Technical Field
The invention relates to the field of LED lamp belts, in particular to a special-shaped LED lamp belt and a manufacturing method thereof.
Background
In order to improve the production efficiency during the production of the circuit board in the prior art, a plurality of narrow strip boards are spliced into a whole large board for production, the single circuit board is a rectangular board or a special-shaped batten occupying the largest space in the long direction in the production of the circuit board in the prior art, and the circuit board designed and manufactured has low material utilization rate and high cost.
In order to overcome the defects and the shortcomings, the lamp strip circuit board is designed and manufactured by the following method, the number of the lamp strip boards is increased by more than 25% in the same area, the utilization rate of the double-sided adhesive tape is increased by more than 25%, the lamp strip circuit board which is more than 25% more than the old technology can be bought by the same amount of money, the double-sided adhesive tape is saved by more than 25%, and the cost is greatly saved. The lamp strip manufactured by the circuit board is low in cost.
The lamp belt circuit board is designed into a plurality of parallel arrangement, staggered jointed boards are arranged at intervals from top to bottom, odd-number lamp belt boards and even-number lamp belt boards are arranged in a staggered manner, the position of each circuit board for welding LEDs or the position for welding LEDs and control elements is designed to be widened, two sides of each blank position or part of the blank position of each solderless element are designed to be narrowed towards the middle, the narrowed position of each circuit board is the widened position of the left and right adjacent boards, the integrated circuit board containing the plurality of circuit boards is manufactured by the design mode, the position of the circuit board without the soldered elements is fully utilized to be reduced, the position is widened at the position for welding LEDs of the two adjacent boards, the double-sided adhesive tape cost of reverse surface pasting when the circuit board is used is saved by more than 25%, and the lamp belt manufactured by the circuit board is low in cost.
Disclosure of Invention
The invention relates to a special-shaped LED lamp strip and a manufacturing method thereof, in particular to a lamp strip circuit board which is designed into a plurality of parallel arranged circuit boards, wherein each circuit board is arranged from top to bottom in a staggered splicing plate, odd-number and even-number staggered arrangement, each circuit board is designed to be wider at the position of welding LEDs or the position of welding LEDs and a control element, all blank positions or part of blank positions of non-welding elements are designed to be narrower, the narrower position of each circuit board is the wider position of the left and right adjacent boards, the design mode is used for manufacturing a conjoined circuit board containing a plurality of circuit boards, the number of lamp strips per square meter of unit area is increased, the number is increased to more than 25 percent, the cost is greatly saved, after the elements are welded by the circuit boards, double-sided adhesive tape is pasted on the back, then the circuit boards are cut into single lamp strips by a knife mold, the single lamp strip is characterized in that the lamp strip is wider at the position of welding LEDs and, the side surfaces of the two sides of the circuit board on the lamp strip and the side surfaces of the two sides of the double faced adhesive tape on the back surface of the lamp strip are respectively arranged on a cutting tool surface.
The invention provides a method for manufacturing a special-shaped LED lamp strip, which comprises the following steps of designing a lamp strip circuit board into a plurality of parallel arranged circuit boards, arranging staggered jointed boards at intervals from top to bottom, arranging odd-number lamp strip boards and even-number lamp strip boards in a staggered mode, designing each circuit board to be wider at the positions for welding LEDs or welding LEDs and control elements, designing all blank positions or part blank positions of solderless elements to be narrower, narrowing both sides of each circuit board towards the middle, designing the narrower position of each circuit board at the wider position of the left and right adjacent boards, fully utilizing and narrowing the positions of all the positions of the circuit boards without welding elements or part of the positions without welding elements to be used at the positions for welding LEDs of the two adjacent boards or using the positions for welding LEDs and welding control elements, the number of the lamp belt circuit boards is increased on the same area, the circuit boards are used for adhering and welding LEDs or LEDs and control elements, a slitting machine is used for slitting after double-sided adhesive tapes are adhered on the back surfaces of the circuit boards, or firstly applying waterproof light-transmitting adhesive on the surface, then sticking double-sided adhesive on the back, then slitting by a slitting machine to prepare single special-shaped lamp strips, the special-shaped lamp strip is characterized in that the lamp strip is wider at the position where the LED is welded or wider at the positions where the LED and the control element are welded, is narrower at all positions without elements or at partial positions without elements, and is respectively arranged on a cutting surface at the side surfaces of two sides in the length direction, the side surfaces of two sides of a circuit board on the lamp strip and the side surfaces of two sides of a double-sided adhesive tape at the back of the lamp strip, the special-shaped lamp strip manufactured by the design has zero space between the strips, does not waste materials and discharge, improves the utilization rate of the circuit board and the double faced adhesive tape, and obviously reduces the cost.
According to the invention, the invention also provides a special-shaped LED lamp strip, which comprises: double-sided adhesive tape; a circuit board; an LED or an LED and a control element; the LED lamp strip is characterized in that the double faces are adhered to the back face of a circuit board, LEDs or LEDs and control elements are welded on the front face of the circuit board, the lamp strip is wide at the positions for welding the LEDs, or is wide at the positions for welding the LEDs and the control elements and is narrow at all positions without elements, or is narrow at partial positions without elements, and the two sides of the lamp strip narrow towards the middle at the narrow positions, the circuit board and the elements on the upper surface of the lamp strip are exposed, or a layer of light-transmitting waterproof adhesive is adhered on the circuit board and the elements on the upper surface of the lamp strip, the side faces on the two sides in the length direction of the lamp strip, the side faces on the two sides of the circuit board of the lamp strip and the side faces on the two sides of the double-sided adhesive on the back face of the lamp strip are respectively arranged on a cutting tool face, and the special-shaped.
According to a preferred embodiment of the present invention, when a layer of waterproof adhesive is disposed on the upper surface of the lamp strip, the two side surfaces in the length direction of the lamp strip, the two side surfaces of the circuit board, the two side surfaces of the waterproof adhesive, and the two side surfaces of the double-sided adhesive are disposed on the same cutting surface respectively.
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 conventional bar-shaped design imposition number of 30.
FIG. 2 is a schematic plan view of 40 irregular offset layout impositions.
Fig. 3 is a schematic plan view of a circuit board containing 40 different LED connected light bars.
Fig. 4 is a schematic plan view of a one-piece bare lamp strip containing 40 LEDs.
Fig. 5 is a schematic plan view of a single profiled LED strip.
Fig. 6 is a schematic cross-sectional view of a single profiled LED strip.
Fig. 7 is a schematic cross-sectional view of a single waterproof, profiled 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.
Examples
1. Design and manufacture of data for circuit board with irregular dislocation lines
The width of a used raw material is 250MM, the width of the widest part of a single product strip is 8.0MM, the conventional and old design scheme is a straight strip design, the number of the pieces is 30 (shown in figure 1), the invention adopts a new special-shaped staggered design scheme, the widest part of each strip is 8MM, the narrowest part of each strip is 4MM, and the number of the pieces is 40 (shown in figure 2).
2. Production of single-sided flexible board
According to the special-shaped staggered design of a single-sided soft board and the production and production method of design data with the makeup quantity of 40PCS, a flexible copper-clad board with the width of 250mm, a printed circuit, etching, solder resist printing and OSP (organic solderability preservative) are used for processing welding spots to manufacture a circuit board 1.1 (shown in figure 3) containing 40 LED integrated light bars for standby.
3. Manufacturing method of naked lamp strip containing 40 LED connected bodies
On a conjoined LED lamp strip circuit board 1.1 containing a plurality of circuit boards, two components of an LED lamp bead 1.2 and a resistor 1.3 are pasted by an SMT process, and the components are welded on the circuit boards by reflow soldering to form the conjoined naked lamp strip (shown in figure 4) containing 40 LEDs for standby.
4. Manufacturing method of special-shaped LED lamp strip
4.1 single special-shaped LED lamp strip
And (3) sticking a layer of double faced adhesive tape 2.1 on the whole reverse side of the bare lamp strip containing 40 LED connected bodies, and cutting the bare lamp strip into single strips by using a knife die to prepare single special-shaped LED lamp strips (shown in figures 5 and 6).
4.2 waterproof single-strip special-shaped LED lamp strip
And (3) dropwise adding a layer of transparent waterproof glue 3.1 on one surface of the element containing 40 LED connected bare lamp strips, standing, leveling, heating and curing the glue, sticking a layer of double-sided glue 2.1 on the whole non-element surface of the bare lamp strips, and cutting into single strips by using a knife die to obtain the waterproof single-strip special-shaped LED lamp strips (shown in figure 7).
The invention is described in detail with reference to the drawings by using specific embodiments of a special-shaped LED strip and a manufacturing method thereof. It will be understood by those skilled in the art, however, that the foregoing is merely illustrative and descriptive of some specific embodiments and is not to be construed as limiting the scope of the invention, especially the scope of the claims.
Claims (3)
1. A method for manufacturing a special-shaped LED lamp strip comprises designing a lamp strip circuit board into a plurality of parallel arranged circuit boards, arranging staggered splicing plates from top to bottom at intervals, arranging odd-number lamp strip plates and even-number lamp strip plates in a staggered mode, designing each circuit board to be wider at the position for welding LEDs or the positions for welding LEDs and control elements, designing all blank positions or part blank positions of solderless elements to be narrower, narrowing both sides of each circuit board towards the middle, designing the narrower position of each circuit board to be the wider position of the left and right adjacent plates, designing and manufacturing the connected LED lamp strip circuit board containing the plurality of circuit boards by the method, fully utilizing and reducing the positions of all the circuit boards without welding elements or the positions without welding elements at the part of the circuit boards, using the reserved positions at the positions for welding LEDs of the two adjacent plates or at the positions for welding LEDs and welding control elements, and increasing the number of the circuit boards on the same area, the LED or the LED and the control element are pasted and welded by the circuit board, the back face is pasted with the double-sided adhesive tape and then is divided into strips by a slitting machine, or the surface is firstly applied with the waterproof light-transmitting adhesive tape, the back face is pasted with the double-sided adhesive tape, and then the strip is divided by the slitting machine to manufacture the single special-shaped lamp strip.
2. A profiled LED strip comprising:
double-sided adhesive tape;
a circuit board;
an LED or an LED and a control element;
the LED lamp strip is characterized in that the double-sided adhesive is adhered to the back of a circuit board, LEDs or LEDs and control elements are welded on the front of the circuit board, the lamp strip is wider at the position for welding the LEDs, or is wider at the position for welding the LEDs and the control elements and is narrower at all positions without elements, or is narrower at partial positions without elements, and the two sides of the lamp strip are narrowed towards the middle at the narrower position, the circuit board and the elements on the upper surface of the lamp strip are exposed, or a layer of light-transmitting waterproof adhesive is adhered on the circuit board and the elements on the upper surface of the lamp strip, and the side surfaces on the two sides in the length direction of the lamp strip, the side surfaces on the two sides of the circuit board of the lamp strip and the side surfaces on the two sides of the double-sided adhesive on the back of the lamp strip are respectively arranged on a cutting tool face.
3. The special-shaped LED lamp strip according to claim 1 or 2, wherein when the upper surface of the lamp strip has a layer of waterproof adhesive, the two side surfaces in the length direction of the lamp strip, the two side surfaces of the circuit board and the two side surfaces of the waterproof adhesive, and the two side surfaces of the double-sided adhesive are on the same cutting surface respectively.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911334147.3A CN112944230A (en) | 2019-12-11 | 2019-12-11 | Special-shaped LED lamp strip and manufacturing method thereof |
| PCT/CN2020/109340 WO2021114705A1 (en) | 2019-12-11 | 2020-08-14 | Special-shaped led light strip and manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911334147.3A CN112944230A (en) | 2019-12-11 | 2019-12-11 | Special-shaped LED lamp strip and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112944230A true CN112944230A (en) | 2021-06-11 |
Family
ID=76234426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911334147.3A Pending CN112944230A (en) | 2019-12-11 | 2019-12-11 | Special-shaped LED lamp strip and manufacturing method thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN112944230A (en) |
| WO (1) | WO2021114705A1 (en) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101974349B1 (en) * | 2012-10-04 | 2019-05-02 | 삼성전자주식회사 | Light Emitting Module and Lighting Device using the same |
| CN203349037U (en) * | 2013-07-22 | 2013-12-18 | 苏州东山精密制造股份有限公司 | LED (Light Emitting Diode) lamp bar and backlight module using same |
| CN103994356A (en) * | 2014-04-26 | 2014-08-20 | 王定锋 | Slitting method for LED lamp band with combined jointed boards and integrated adhesive glue board and LED lamp band |
| CN204358668U (en) * | 2014-12-10 | 2015-05-27 | 江苏鸿佳电子科技有限公司 | A kind of LED interlocks continuous circuits plate |
| CN204986593U (en) * | 2015-09-30 | 2016-01-20 | 深圳市光科照明有限公司 | Mini word LED lamp area |
| CN206831230U (en) * | 2017-07-05 | 2018-01-02 | 深圳市正邦光电科技有限公司 | S type three-dimensional LED soft light bars |
| CN108601221B (en) * | 2018-04-17 | 2024-08-23 | 深圳市宝明科技股份有限公司 | Method for rubberizing PCB |
| CN108811329A (en) * | 2018-05-21 | 2018-11-13 | 江西合力泰科技有限公司 | A kind of method that FPC and FPC double faced adhesive tapes are integrally cut |
| CN109268718A (en) * | 2018-09-30 | 2019-01-25 | 惠州市鹏程电子科技有限公司 | LED soft light rope and preparation method thereof |
-
2019
- 2019-12-11 CN CN201911334147.3A patent/CN112944230A/en active Pending
-
2020
- 2020-08-14 WO PCT/CN2020/109340 patent/WO2021114705A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021114705A1 (en) | 2021-06-17 |
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