CN220506538U - Aluminum foil LED lamp strip - Google Patents

Aluminum foil LED lamp strip Download PDF

Info

Publication number
CN220506538U
CN220506538U CN202321777158.0U CN202321777158U CN220506538U CN 220506538 U CN220506538 U CN 220506538U CN 202321777158 U CN202321777158 U CN 202321777158U CN 220506538 U CN220506538 U CN 220506538U
Authority
CN
China
Prior art keywords
aluminum foil
led
foil
aluminium foil
power supply
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202321777158.0U
Other languages
Chinese (zh)
Inventor
罗会才
郎欣林
谌孙佐
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Fengtai Industrial Technology Co ltd
Original Assignee
Shenzhen Fengtai Industrial Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Fengtai Industrial Technology Co ltd filed Critical Shenzhen Fengtai Industrial Technology Co ltd
Priority to CN202321777158.0U priority Critical patent/CN220506538U/en
Application granted granted Critical
Publication of CN220506538U publication Critical patent/CN220506538U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Fastening Of Light Sources Or Lamp Holders (AREA)

Abstract

The utility model provides an aluminum foil LED lamp strip, which comprises a plurality of aluminum foil LED lamp groups, wherein each aluminum foil LED lamp group comprises an aluminum foil circuit board and an LED chip, the aluminum foil circuit board is provided with an anode aluminum foil, a cathode aluminum foil and an aluminum foil carrying piece, the anode aluminum foil, the cathode aluminum foil and the aluminum foil carrying pieces are not contacted with each other and are all provided with conductive pads, power supply pins of the LED chips are fixedly welded in the conductive pads, the anode aluminum foil, the cathode aluminum foil and the aluminum foil carrying pieces are communicated on a circuit through the LED chips, packaging transparent glue for sealing and fixing is arranged among the anode aluminum foil, the cathode aluminum foil, the aluminum foil carrying pieces and the LED chips, the anode aluminum foil can be connected with the anode of a power supply, and the cathode aluminum foil can be connected with the cathode of the power supply. The beneficial effects of the utility model are as follows: the aluminum foil is used as the carrier of the LED chip, the structure is simple, the brightness of the LED chip is uniform, the production cost is low, the heat dissipation is good, and the 360-degree two-sided light emission of the aluminum foil LED lamp strip can be realized.

Description

Aluminum foil LED lamp strip
Technical Field
The utility model relates to the technical field of lamp strips, in particular to an aluminum foil LED lamp strip.
Background
The lamp strip is obtained by welding an LED lamp on a copper wire or a strip-shaped flexible circuit board by a special processing technology, and connecting a power supply to emit light. The lamp strip has been widely used in the fields of buildings, bridges, roads, gardens, courtyards, floors, ceilings, furniture, automobiles, ponds, water floors, advertisements, signboards, signs and the like as decorations or illumination, adding endless happy and holiday atmospheres to various festival activities such as christmas, hallowmas, morgans, easter joints, national celebrations and the like, taking five major markets of advertisements, decorations, buildings, businesses, gifts with a stubborn vitality, and selling a plurality of countries and regions, and is widely used in places of building profiles, bridges, guardrails, hotels, lin Yuan, dance halls, advertisement decorations.
The light strip welded on the strip-shaped flexible circuit board is called an FPC light strip, the FPC light strip is a light strip assembled by taking a flexible circuit board FPC as a carrier, because the FPC has flexibility and ultra-thin property, the application range is wider, the LEDs assembled on the FPC light strip are provided with a patch LED, a direct-insert LED and a flip-chip LED, the flip-chip LED is also called a COB, the patch LED has the sizes of 0603, 0805, 1206, 1210, 5050, 5060 and the like, and the colors are red, yellow, blue, green, white, yellow-green, purple, RGB seven colors and the like; the direct-insert LEDs comprise phi 3, phi 5, phi 6 and the like, have round heads and flat heads (commonly called straw hat lamps), have red, yellow, blue, green, white and the like, and the FPC lamp strip is mainly applied to places such as advertisement decoration, automobile decoration, home decoration and the like, and can also be applied to reflective vests and be used for some special purposes. The universal specification of the FPC light belt is 20cm long 8 LEDs, 30cm long 18 LEDs, 30cm long 24 LEDs, 50cm long 15 LEDs, 50cm long 24 LEDs, 50cm long 30 LEDs, 60cm and 80cm long, different users have different specifications, and the FPC light belt can be freely bent, folded and coiled in a three-dimensional space without breaking due to the fact that the FPC is soft, can be freely moved and stretched in the three-dimensional space, can be freely sheared, can be freely prolonged to emit light without being influenced, is suitable for being used in irregular places and places with small space, and is also suitable for being freely combined with various patterns in advertisement decoration due to the fact that the FPC light belt can be freely bent and coiled.
The existing FPC lamp strip production mode is that a circuit is etched on a flexible organic material to form a carrier, then an LED is attached to the carrier and then packaged by light-transmitting glue, and the etched circuit is narrower in line width due to the process, so that current limit is large, voltage drop is obvious, and the head-tail brightness difference of lamp beads on the lamp strip is large; and because the heat dispersion of flexible organic material and printing opacity glue is relatively poor, so FPC lamp area also relatively easily burns out this just narrower circuit in the use.
Disclosure of Invention
In order to solve the problems in the prior art, the aluminum foil LED lamp strip provided by the utility model uses aluminum foil as a carrier of an LED chip, has the advantages of simple structure, uniform brightness of the LED chip, low production cost and good heat dissipation, can realize 360-degree two-sided light emission of the aluminum foil LED lamp strip, and solves the problems that the LED chip is uneven in brightness, poor in heat dissipation and relatively narrow in circuit and easy to burn caused by obvious pressure drop of the FPC lamp strip in the prior art.
The aluminum foil LED lamp strip comprises a plurality of aluminum foil LED lamp groups which are sequentially connected, wherein each aluminum foil LED lamp group comprises an aluminum foil circuit board and a plurality of LED chips, the aluminum foil circuit board is provided with an anode aluminum foil, a cathode aluminum foil and a plurality of aluminum foil bearing sheets, the anode aluminum foil, the cathode aluminum foil and the aluminum foil bearing sheets are not contacted with each other, conductive bonding pads are arranged on the anode aluminum foil, the cathode aluminum foil and the aluminum foil bearing sheets, power supply pins of the LED chips are fixedly welded in the conductive bonding pads, the anode aluminum foil, the cathode aluminum foil and the aluminum foil bearing sheets are communicated on a circuit through the LED chips, packaging transparent glue used for sealing and fixing is arranged between the anode aluminum foil, the cathode aluminum foil can be connected with the anode of a power supply, the cathode aluminum foil can be connected with the cathode of the power supply, and the LED chips can be electrified to emit light when the anode aluminum foil is connected with the power supply.
According to the utility model, the aluminum foil circuit board is further improved, and the whole aluminum foil is cut into the positive aluminum foil, the negative aluminum foil and a plurality of aluminum foil carrier sheets in a laser cutting mode.
According to the utility model, the overall shape of the positive aluminum foil and the negative aluminum foil is L-shaped or strip-shaped, the width of the positive aluminum foil is more than 0.5mm, and the width of the negative aluminum foil is more than 0.5mm.
According to the utility model, the thicknesses of the positive aluminum foil, the negative aluminum foil and the aluminum foil carrier are all more than 0.03mm and less than 0.1mm.
According to the utility model, a plurality of light-transmitting through holes are formed in the positive aluminum foil, the negative aluminum foil and the aluminum foil carrier.
According to the aluminum foil LED lamp group, the number of LED chips in the aluminum foil LED lamp group is 8, the number of power supply pins of each LED chip is 2, and each power supply pin is fixedly welded in different conductive bonding pads.
According to the utility model, the conductive bonding pad is a copper plating bonding pad, and the power supply pin is fixedly arranged on the conductive bonding pad in a tin soldering connection mode.
According to the utility model, a buffer protection resistor is further arranged in the aluminum foil LED lamp group, and the buffer protection resistor is connected with the LED chip in series.
The utility model is further improved, and the packaging transparent glue is made of epoxy resin or silica gel containing fluorescent powder.
Compared with the prior art, the utility model has the beneficial effects that: the utility model provides an aluminum foil LED lamp strip, which uses aluminum foil as a carrier of LED chips through an aluminum foil circuit board and a plurality of LED chips which are matched with each other, has a simple structure, and all the LED chips directly use aluminum foil as a circuit carrier for conducting wires, so that the influence of voltage drop is reduced to the minimum, and the brightness of the LED chips is uniform; the circuit is directly formed by cutting the aluminum foil by laser without etching the circuit, and the positive aluminum foil, the negative aluminum foil and the aluminum foil bearing sheet form the circuit, so that the production cost is low; the anode aluminum foil, the cathode aluminum foil and the aluminum foil carrier can be provided with a plurality of light transmission through holes, and then the aluminum foil, the cathode aluminum foil and the aluminum foil carrier are packaged by packaging light transmission glue, so that the 360-degree two-sided light emission of the aluminum foil LED lamp strip can be realized; the aluminum foil circuit board has much better heat radiation performance than flexible organic materials, and solves the problems that the FPC lamp band voltage drop obviously causes uneven brightness of an LED chip, poor heat radiation and narrower circuit and is easy to burn in the prior art.
Drawings
For a clearer description of the present application or of the solutions of the prior art, a brief introduction will be given below to the drawings used in the description of the embodiments or of the prior art, it being apparent that the drawings in the description below are some embodiments of the present application, from which other drawings can be obtained, without the inventive effort for a person skilled in the art.
Fig. 1 is a diagram of an aluminum foil LED lamp group structure of an aluminum foil LED lamp strip of the present utility model.
In the figure, a 1-aluminum foil circuit board, a 11-positive aluminum foil, a 12-negative aluminum foil, a 13-aluminum foil carrier, a 14-conductive bonding pad, a 2-LED chip and a 21-power supply pin.
Detailed Description
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the applications herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having" and any variations thereof in the description and claims of the present application and in the description of the figures above are intended to cover non-exclusive inclusions.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
In order to better understand the technical solutions of the present application, the following description will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the accompanying drawings.
As shown in fig. 1, the aluminum foil LED lamp strip provided by the utility model comprises a plurality of aluminum foil LED lamp groups which are sequentially connected, wherein each aluminum foil LED lamp group comprises an aluminum foil circuit board 1 and a plurality of LED chips 2, the aluminum foil circuit board 1 is provided with an anode aluminum foil 11, a cathode aluminum foil 12 and a plurality of aluminum foil carrying sheets 13, the anode aluminum foil 11, the cathode aluminum foil 12 and the aluminum foil carrying sheets 13 are not contacted with each other, conductive pads 14 are arranged on the anode aluminum foil 11, the cathode aluminum foil 12 and the aluminum foil carrying sheets 13, power supply pins 21 of the LED chips 2 are fixedly welded in the conductive pads 14, the anode aluminum foil 11, the cathode aluminum foil 12 and the aluminum foil carrying sheets 13 are communicated on a circuit through the LED chips 2, packaging transparent glue for sealing and fixing is arranged between the anode aluminum foil 11, the cathode aluminum foil 12, the aluminum foil carrying sheets 13 and the LED chips 2, the anode aluminum foil 11 can be connected with the anode of a power supply, and the cathode aluminum foil 12 can be connected with the cathode of the power supply. In the embodiment, when the positive aluminum foil is connected with the positive electrode of the power supply and the negative aluminum foil is connected with the negative electrode of the power supply, the LED chip, the aluminum foil carrier, the positive aluminum foil, the negative aluminum foil and the power supply form a closed electrified loop, the LED chip can be electrified to emit light at the moment, the LED chip can also be replaced by an LED lamp bead or an LED or other luminous electric components, wherein the aluminum foil is used as a carrier of the LED chip, the structure is simple, all the LED chips directly use the aluminum foil as a circuit carrier, the circuit for conducting is wide, the influence of voltage drop is minimized, and the brightness of the LED chip is uniform; the heat radiation performance of the aluminum foil circuit board is much better than that of the flexible organic material, and the price of the aluminum foil is much cheaper than that of the organic material of the strip-shaped flexible circuit board, so that the aluminum foil circuit board has greatly reduced production cost compared with an FPC (flexible printed circuit) lamp strip; the surface of the aluminum foil can be rapidly and naturally oxidized to form an insulating aluminum oxide protective film, so that the service life of the aluminum foil LED lamp strip can be prolonged in an anti-corrosion manner, and the safety of the aluminum foil LED lamp strip can be improved.
As shown in fig. 1, the aluminum foil circuit board 1 is formed by cutting a complete aluminum foil into an anode aluminum foil 11, a cathode aluminum foil 12 and a plurality of aluminum foil carrier sheets 13 by means of laser cutting. In the embodiment, the circuit of the aluminum foil LED lamp strip is formed by directly forming a positive aluminum foil, a negative aluminum foil and an aluminum foil bearing sheet by laser cutting of the aluminum foil without etching, so that the production cost is low and the production efficiency is high.
As shown in fig. 1, the overall shapes of the positive aluminum foil 11 and the negative aluminum foil 12 are L-shaped or strip-shaped, the width of the positive aluminum foil 11 is larger than 0.5mm, the width of the negative aluminum foil 12 is larger than 0.5mm, and the thicknesses of the positive aluminum foil 11, the negative aluminum foil 12 and the aluminum foil carrier piece 13 are larger than 0.03mm and smaller than 0.1mm; the anode aluminum foil 11, the cathode aluminum foil 12 and the aluminum foil carrier 13 are all provided with a plurality of light transmission through holes, and the material of the packaging light transmission glue is epoxy resin or silica gel containing fluorescent powder. In the embodiment, the widths of the positive aluminum foil and the negative aluminum foil for conducting are both larger than 0.5mm, compared with a circuit etched on a flexible organic material by an FPC (flexible printed circuit) lamp strip, the width of the positive aluminum foil and the width of the negative aluminum foil are far wider, so that the current limit is small during conducting, the influence on the voltage drop of an LED chip is reduced to the minimum, and the brightness of the LED chip is uniform; and a plurality of printing opacity through-holes that anodal aluminium foil, negative pole aluminium foil and aluminium foil carrier piece were seted up can realize 360 two sides of aluminium foil LED lamp area and give out light, and not just one side of FPC lamp area gives out light, has promoted user's use experience by a wide margin. The epoxy resin is a high molecular polymer, the molecular formula is (C11H 12O 3) n, the epoxy resin is a generic name of a polymer containing more than two epoxy groups in the molecule, the epoxy resin is a polycondensation product of epichlorohydrin and bisphenol A or polyalcohol, and due to the chemical activity of the epoxy groups, the epoxy resin can be subjected to ring opening by using various compounds containing active hydrogen, and is solidified and crosslinked to form a net-shaped structure, so that the epoxy resin is a thermosetting resin and has the characteristics of good light transmittance, dust prevention, water prevention and insulation. Silica gel (Silica; silica alias: silica gel is a high-activity adsorption material, belongs to amorphous substances, and has a chemical formula of mSiO2.nH2O; besides strong alkali and hydrofluoric acid, the silica gel does not react with any substance, is insoluble in water and any solvent, is nontoxic and odorless, has stable chemical property, forms different microporous structures due to different manufacturing methods, has the characteristics of difficult substitution of a plurality of other similar materials due to the chemical components and the physical structure of the silica gel, and has the advantages of high adsorption performance, good thermal stability, stable chemical property, higher mechanical strength and the like. In this embodiment, epoxy resin or silica gel containing fluorescent powder is used as the material of the packaging transparent glue, so that the service life and safety of the aluminum foil LED lamp strip can be improved, and meanwhile, the brightness of the LED chip can be more uniform.
As shown in fig. 1, the number of LED chips 2 in the aluminum foil LED lamp group is 8, the number of power supply pins 21 of each LED chip 2 is 2, and each power supply pin 21 is fixedly welded in a different conductive bonding pad 14; the conductive pad 14 is a copper-plated pad, and the power supply pin 21 is fixedly arranged on the conductive pad 14 in a tin soldering connection mode; and a buffer protection resistor is also arranged in the aluminum foil LED lamp group, and the buffer protection resistor is connected with the LED chip in series. In the embodiment, each aluminum foil LED lamp group is provided with 8 3V LED chips which are in accordance with the market specification, and the aluminum foil LED lamp can work by directly using a 24V power supply, so that the aluminum foil LED lamp group is convenient to use and popularize; the conductive bonding pad is a copper plating bonding pad, namely copper is plated on the aluminum foil to serve as the conductive bonding pad, the power supply pin is directly welded in the conductive bonding pad in a soldering manner, the structure is stable and firm, the soldering manner is that a die bonder is adopted for hot melting die bonding, the production efficiency is high, the operation is simple, the process step of tin dropping is omitted, and the welding quality is stable; the buffer protection resistor is used for protecting the electric components and prevents the electric components from being burnt out due to overlarge current or abnormal current.
According to the aluminum foil LED lamp strip, the aluminum foil circuit board and the LED chips are matched with each other, the aluminum foil is used as a carrier of the LED chips, the structure is simple, all the LED chips directly use the aluminum foil as a circuit carrier, the circuit for conducting electricity is wide, the influence of voltage drop is reduced to the minimum, and the brightness of the LED chips is uniform; the circuit is directly formed by cutting the aluminum foil by laser without etching the circuit, and the positive aluminum foil, the negative aluminum foil and the aluminum foil bearing sheet form the circuit, so that the production cost is low; the anode aluminum foil, the cathode aluminum foil and the aluminum foil carrier can be provided with a plurality of light transmission through holes, and then the aluminum foil, the cathode aluminum foil and the aluminum foil carrier are packaged by packaging light transmission glue, so that the 360-degree two-sided light emission of the aluminum foil LED lamp strip can be realized; the aluminum foil circuit board has much better heat radiation performance than flexible organic materials, and solves the problems that the FPC lamp band voltage drop obviously causes uneven brightness of an LED chip, poor heat radiation and narrower circuit and is easy to burn in the prior art.
The above embodiments are preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model, which includes but is not limited to the embodiments, and equivalent modifications according to the present utility model are within the scope of the present utility model.

Claims (9)

1. An aluminium foil LED lamp area, its characterized in that: including a plurality of aluminium foil LED banks that connect gradually, aluminium foil LED banks includes aluminium foil circuit board and a plurality of LED chip, aluminium foil circuit board is equipped with anodal aluminium foil, negative pole aluminium foil and a plurality of aluminium foil carrier, anodal aluminium foil the negative pole aluminium foil each other contactless between the aluminium foil carrier, anodal aluminium foil the negative pole aluminium foil all be equipped with conductive pad on the aluminium foil carrier, the fixed welding of power supply foot of LED chip is in the conductive pad, anodal aluminium foil the negative pole aluminium foil the aluminium foil carrier passes through the LED chip communicates on the circuit, anodal aluminium foil the negative pole aluminium foil the aluminium foil carrier be equipped with the encapsulation printing opacity glue that is used for seal fixation between the LED chip, anodal aluminium foil can connect the power supply positive pole, the negative pole aluminium foil can connect the power supply negative pole, the LED chip can be in anodal aluminium foil the switch-on power supply when the negative pole aluminium foil is electrified and is luminous.
2. The aluminum foil LED strip of claim 1, wherein: the aluminum foil circuit board is formed by cutting a complete aluminum foil into the positive aluminum foil, the negative aluminum foil and a plurality of aluminum foil carrier sheets in a laser cutting mode.
3. The aluminum foil LED strip of claim 2, wherein: the whole shape of the positive aluminum foil and the negative aluminum foil is L-shaped or strip-shaped, the width of the positive aluminum foil is larger than 0.5mm, and the width of the negative aluminum foil is larger than 0.5mm.
4. The aluminum foil LED strip of claim 3, wherein: the thicknesses of the positive aluminum foil, the negative aluminum foil and the aluminum foil carrier are all more than 0.03mm and less than 0.1mm.
5. The aluminum foil LED strip of claim 4, wherein: the positive aluminum foil, the negative aluminum foil and the aluminum foil carrier are all provided with a plurality of light-transmitting through holes.
6. The aluminum foil LED strip of claim 5, wherein: the number of LED chips in the aluminum foil LED lamp group is 8, the number of power supply pins of each LED chip is 2, and each power supply pin is fixedly welded in different conductive bonding pads respectively.
7. The aluminum foil LED strip of claim 6, wherein: the conductive bonding pad is a copper plating bonding pad, and the power supply pin is fixedly arranged on the conductive bonding pad in a tin soldering connection mode.
8. The aluminum foil LED strip of claim 7, wherein: and a buffer protection resistor is further arranged in the aluminum foil LED lamp group, and the buffer protection resistor is connected with the LED chip in series.
9. The aluminum foil LED strip of claim 8, wherein: the packaging transparent glue is made of epoxy resin or silica gel containing fluorescent powder.
CN202321777158.0U 2023-07-07 2023-07-07 Aluminum foil LED lamp strip Active CN220506538U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321777158.0U CN220506538U (en) 2023-07-07 2023-07-07 Aluminum foil LED lamp strip

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321777158.0U CN220506538U (en) 2023-07-07 2023-07-07 Aluminum foil LED lamp strip

Publications (1)

Publication Number Publication Date
CN220506538U true CN220506538U (en) 2024-02-20

Family

ID=89868244

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321777158.0U Active CN220506538U (en) 2023-07-07 2023-07-07 Aluminum foil LED lamp strip

Country Status (1)

Country Link
CN (1) CN220506538U (en)

Similar Documents

Publication Publication Date Title
CN105226167A (en) A kind of flexible LED filament of full angle luminescence and manufacture method thereof
CN205542866U (en) A bendable filament for illuminator
WO2020160696A1 (en) Flexible led light bar
KR20180000816A (en) LED lighting with free shaped curve filaments
CN220506538U (en) Aluminum foil LED lamp strip
CN110657371A (en) Novel paster encapsulating perforation lamp
CN116734202A (en) Aluminum foil LED lamp strip
CN210717399U (en) Novel paster encapsulating perforation lamp
CN203309586U (en) LED (Light Emitting Diode) light source module based on printed circuit board
CN213930743U (en) Novel LED (light emitting diode) surface mounted lamp
CN220325915U (en) Can replace FPC's metal foil circuit board
CN212617760U (en) 360 flexible lamp strip of degree uniform light type
CN209766417U (en) LED area light source light engine based on honeycomb arrangement
CN207505222U (en) A kind of anti-colorant comes off colored flexible circuit board and color LED high-pressure lamp band
CN215112148U (en) Waterproof COB lamp area
CN206849865U (en) Paster LED traffic lamp source
CN116744552A (en) Can replace FPC's metal foil circuit board
CN213583782U (en) High-power aluminium base board COB packaging structure
CN206098388U (en) Formal dress chip level white light LED filament light source
CN207486753U (en) A kind of colour flexible circuit board and color LED high-pressure lamp band
CN116885057A (en) Manufacturing method of aluminum foil LED lamp strip
CN204885212U (en) Luminous day driving lamp device based on use face down chip on aluminium base board
CN214898444U (en) Full-color LED device
CN211088310U (en) COB lamp strip
CN204114663U (en) A kind of LED with insulation protection

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant