CN108758394A - LED light strip - Google Patents
LED light strip Download PDFInfo
- Publication number
- CN108758394A CN108758394A CN201810576088.XA CN201810576088A CN108758394A CN 108758394 A CN108758394 A CN 108758394A CN 201810576088 A CN201810576088 A CN 201810576088A CN 108758394 A CN108758394 A CN 108758394A
- Authority
- CN
- China
- Prior art keywords
- circuit board
- flexible circuit
- wire array
- wire
- film
- 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.)
- Pending
Links
Classifications
-
- 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
-
- 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
- F21V19/0015—Fastening arrangements intended to retain light sources
- F21V19/0025—Fastening arrangements intended to retain light sources the fastening means engaging the conductors of the light source, i.e. providing simultaneous fastening of the light sources and their electric connections
-
- 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
- F21V23/06—Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors
-
- 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)
- Led Device Packages (AREA)
Abstract
The invention discloses LED light strip, including：The wire array of strip, the wire array include the flat conductor that two or more pieces interval is arranged side by side, and each flat conductor extends along wire array length direction；More than two flexible circuit board, length direction along wire array arranges, flexible circuit board is welded with LED element on the front face, the back side of flexible circuitry plate unit is towards wire array, flexible circuit board is equipped with just, cathode solder joint, and flexible circuit board is just, cathode solder joint is arranged forms welding ends in the same end of flexible circuit board, flexible circuit board welding ends is just, cathode solder joint is welded on wire array, flexible circuit board welding ends is set to be fixed on wire array, and the other end of flexible circuit board is then free end, the welding ends of each flexible circuit board is adjacent with the free end of adjacent another flexible circuit board；Clad coats wire array, each flexible circuit board.The present invention is conducive to the automatic welding of flexible circuit board positive and negative electrode and flat conductor.
Description
Technical field
The present invention relates to LED light strip fields.
Background technology
In existing LED light strip, have it is a kind of construction as shown in Chinese patent literature CN102095118A, disclose one kind
Suitable for accessing the flexible LED SMD lamp belt of alternating current, it is characterised in that：Including a core wire, by flexiplast extrusion molding
One predetermined length, light-permeable strip shape body, the core wire are provided with a groove inside it along longitudinal direction, also, in the core wire
Be embedded at least two conducting wires, conductor spacing it is longitudinally arranged and isometric with core wire；A plurality of flexible tape circuit board, every
Be provided at least row's LED patches on circuit board, the both ends of every circuit board are respectively equipped at least one lead, and lead with
Above-mentioned conducting wire connection is formed into a loop and is the LED patches power supply on the circuit board, and all circuit boards are set to above-mentioned groove
In and adjacent circuit plate between length direction there are gap and be in interrupted shape；One clad is by flexiplast extrusion molding
, with above-mentioned core wire it is isometric, light-permeable, clad is coated on except above-mentioned core wire and circuit board；Lead and conducting wire connect
It is located at except above-mentioned gap at conjunction；The both ends of every circuit board turn down towards the back side and lead are made to be located at the back side of circuit board.It is above-mentioned
Light bar fixes two conducting wires by core wire, and when production needs the groove that flexible tape circuit board is placed in core wire, it is also necessary to logical by hand
Wire-bonded circuitry plate and conducting wire are crossed, automated production, inefficiency are not suitable for.It improved as shown in CN107990176A later,
It is only fixed with the pad with flexible circuit plate unit with two conducting wires of flexible circuit plate unit, but is coated in injection molding
During layer or in use, two conducting wire meeting displacements, and short, it is dangerous, also it is unfavorable for automated production.
Invention content
The object of the present invention is to provide a kind of LED light strip, the LED light band structure is reliable.
LED light strip, which is characterized in that the wire array of strip, the wire array include two or more pieces interval side by side
The flat conductor of arrangement, each flat conductor extend along wire array length direction；
More than two flexible circuit board, the length direction along wire array arrange, wherein each flexible circuit board exists
LED element is welded on its front, towards wire array, each flexible circuit board is set at the back side of each flexible circuitry plate unit
There is positive and negative electrode solder joint, and the positive and negative electrode solder joint of each flexible circuit board is arranged in the same end of flexible circuit board, makes flexible wires
The end of road plate setting positive and negative electrode solder joint forms welding ends, and the positive and negative electrode solder joint of flexible circuit board welding ends is welded on conducting wire
On array, flexible circuit board welding ends is made to be fixed on wire array, and so that flexible circuit board is formed with wire array and be electrically connected
It connects, and the other end of flexible circuit board is then free end, the welding ends of each flexible circuit board and adjacent another flexible wires
The free end of road plate is adjacent；The clad of light transmission, the clad extend along the length direction of light bar, by wire array, admittedly
Determine film and flexible circuitry plate unit cladding.
Above-mentioned LED light strip, it is characterised in that：Be fixed with fixed film on the same face of the wire array, fixed film with
Each flat conductor is contacted in face.
Above-mentioned LED light strip, it is characterised in that：Fixed film is each flat to lead between flexible circuit board and wire array
The one side that line is docked with fixed film has several regions to be exposed to several welding regions that fixed film forms wire array, each soft
The positive and negative electrode solder joint of the welding ends of property wiring board is welded on the respective lands domain of wire array；
Above-mentioned LED light strip, it is characterised in that：The fixation film includes more than two strip and block film units, and edge
The length direction of wire array is spaced apart, and gap area of the wire array between adjacent strip and block film unit is exposed to solid
Determine film and forms welding region.
Above-mentioned LED light strip, it is characterised in that：The lead location of the fixation film corresponding lead array is provided with conducting
Hole, the conducting wire exposed area of the via hole position form the welding region of wire array.
Above-mentioned LED light strip, it is characterised in that：Each flat conductor is fixed film covering on one side, and another side is exposed；Often
The back side of a flexible circuit board is welded on towards the exposed one side of wire array conducting wire, each flexible circuit board positive and negative electrode solder joint
The conducting wire exposed surface of wire array；
Above-mentioned LED light strip, it is characterised in that：It is in interrupted shape there are gap between adjacent flexible wiring board unit.
The beneficial effects of the present invention are：
It is fixed with fixed film on the same face of wire array, is contacted in face with each flat conductor so that each flat conductor
It can steadily be positioned in wire array, it will not short；Compared to original light bar using core wire, used now without core wire
Fixed film, can save material, and be conducive to be fixed fixed film with wire array with automation equipment, and efficiency improves；It is each flat
The one side that flat conducting wire is docked with fixed film has subregion to be exposed to the welding region that fixed film forms wire array, favorably
In the automatic welding of flexible circuit board positive and negative electrode and wire array, and this welding sequence be can be in flexible circuit board list
Member is welded after LED element and carries out again.Another advantageous effect is：The present invention does not weld the positive and negative electrode of flexible circuit board
Point is separately positioned on flexible circuit board two ends or other regional locations apart from each other, and the setting of positive and negative electrode solder joint is existed
Flexible circuit board the same end and form welding ends, so that the welding ends of flexible circuit board is fixed on wire array, and flexible circuitry
The other end of plate is then free end, the free end phase of the welding ends of each flexible circuit board and adjacent another flexible circuit board
Neighbour, in this way squeeze out coat layer process when, can be using welding ends as originating terminal, the other end of each flexible circuit board is at this time
Freely, each flexible circuit board can opposing leads array and clad freely stretch, effectively eliminate flexible circuit board
The ductility of opposing leads array even clad is differential, so that connection flexible circuit board and wire array pad is stablized, often
A flexible circuit board, wire array, clad not will produce fold, be particularly advantageous for eliminating flexible circuit board, wire array
Between fold, even if during light bar use, for the same reason will not between flexible circuit board and wire array
Because of the opposite fold of the generation of the continuous bend tension of light bar or opposite desoldering (note：If by the positive and negative of flexible circuit board
Pole solder joint is separately positioned on flexible circuit board two ends or other regional locations apart from each other, due to flexible circuit board phase
To wire array, even that there are ductility is differential for clad, then when squeezing out cladding layer process or using stretch bending, causes to connect
Connect flexible circuit board and the unstable setting desoldering of wire array pad, even if not desoldering, flexible circuit board, wire array,
Fold may be will produce between clad).
Description of the drawings
Fig. 1 is the cross-sectional view of one LED light strip of the embodiment of the present invention；
Fig. 2 is the floor map that the circuit board of one LED light strip of the embodiment of the present invention is combined with wire array；
Fig. 3 is the A-A sectional views of Fig. 2；
Fig. 4 is the C-C sectional views of Fig. 2；
Fig. 5 is the schematic diagram that the wire array of one LED light strip of the embodiment of the present invention is combined with a kind of fixation film of structure,
Show the coiled material formed after wire array is fixed with fixed film unit；
Fig. 6 is the schematic diagram that the wire array of two LED light strip of the embodiment of the present invention is combined with a kind of fixation film of structure,
Show the coiled material formed after wire array is fixed with elongated fixation film；
Fig. 7 is the cross-sectional view of three LED light strip of the embodiment of the present invention；
Fig. 8 is the floor map that the circuit board of three LED light strip of the embodiment of the present invention is combined with wire array；
Fig. 9 is the B-B sectional views of Fig. 8；
Figure 10 is the schematic diagram that three wires of embodiment of the present invention array is combined with fixed film, shows wire array and leads to
The coiled material that long fixed film is formed after fixing.
Specific implementation mode
In the following, in conjunction with attached drawing and specific implementation mode, the present invention is described further,
Embodiment one：
In conjunction with Fig. 1-Fig. 5, LED light strip of the invention, including：Light transmission clad 7；The flexible circuit board 1 of several units
(Unit two only being shown in Fig. 2, other default) arranges along the length direction of wire array, wherein exists per unit flexible circuit board
LED element 11 is welded on its front, each flexible circuit board is equipped with positive solder joint 12, cathode solder joint 13, and each flexible wires
The end for making flexible circuit board setting positive and negative electrode solder joint in the same end of flexible circuit board is arranged in the positive and negative electrode solder joint of road plate
Welding ends is formed, and the other end of flexible circuit board is then free end；In conjunction with Fig. 5, show that wire array is fixed with fixed film
The coiled material formed afterwards, the conducting wire battle array for the strip that the flat conductor 3 that two (can also be a plurality of) interval is arranged side by side forms
Row, each flat conductor extend along wire array length direction, and it is same that the fixation film 2 with insulation performance is fixed on wire array
On face, contacted in face with each flat conductor, as shown in figure 5, show the coiled material formed after wire array and fixed film fixation,
Fixed film 2 is made of the strip and block film unit 21 of several insulation, and along the length direction of wire array be spaced apart and in phase
Gap 4 is formed between adjacent strip and block film unit 21, gap 4 makes one that each flat conductor 3 (wire array) is combined with fixed film
Face has the exposed area 31 for being exposed to fixed film, which can be used as welds with the positive and negative electrode of flexible circuit board end
The welding region of 12 (13) of point welding；
Such as Fig. 2-Fig. 5, the welding ends of each flexible circuit board is adjacent with the free end of adjacent another flexible circuit board,
It is in interrupted shape there are gap 5 between adjacent flexible wiring board, can facilitates LED light strip is cut out along 5 position of gap in this way
It cuts, the back side of each flexible circuitry plate unit is towards wire array, and the fixation film 2 being made of strip and block film unit 21 is between flexibility
Between wiring board unit and wire array, each conducting wire 3 in the wire array is contacted in face to protect with strip and block film unit
Card obtains better stability, due to each flexible circuit board welding end anode solder joint 12 (can be via pad form), bears
Pole solder joint 13 (can be via pad form) is located at except strip and block film unit region, and in 3 exposed area 31 of conducting wire
Side, anode 12, the cathode 13 of flexible circuit board each in this way can be respectively welded at the corresponding of wire array with automation equipment and lead
The exposed area 31 of line 3 forms electrical connection, so that flexible circuit board welding ends is fixed on wire array, relative flexibility wiring board
The other end of the fixation of welding ends, flexible circuit board is free, is free end, meanwhile, this strip and block film unit 21 (Gu
Determine film 2) construction advantageously ensures that flexible circuit board and wire array are flat in light bar between flexible PCB 1 and conducting wire 3
The insulating properties of conducting wire.
The LED light strip of the present embodiment by injection molding machine squeeze out light transmission clad 7, clad 7 by flexible circuit board 1,
LED element 11, wire array, strip and block film unit 2 coat.Squeeze out coat layer process when, can be using welding ends as originating
End, at this time since the other end of each flexible circuit board is free, each flexible circuit board can opposing leads array and cladding
Layer freely stretches, and the ductility for effectively eliminating flexible circuit board opposing leads array even clad is differential, makes connection
Flexible circuit board and wire array pad are stablized, and each flexible circuit board, wire array, clad not will produce fold, especially
It is to be conducive to eliminate the fold between flexible circuit board, wire array.
Embodiment two
Alternatively, such as Fig. 6 of embodiment two shows the volume formed after wire array is fixed with fixed film
Material, embodiment two and embodiment one the difference is that：For fixed film 2 using another structure, fixed film 2 and wire array are logical
Long, the position that fixed film 2 is combined with each flat conductor is provided with the composition of via hole 22, which makes each flat conductor 3 and fix
There is the one side that film combines the exposed area 32 for being exposed to fixed film, the exposed area 32 can be used as and flexible circuit board end
Positive and negative electrode solder joint 12 (13) welding welding region.
Above-mentioned fixed film and the fixed simple structure of wire array, being suitable for will fixed film and conducting wire battle array with automation equipment
Row are fixed, and above-mentioned light bar structure is adapted for automated production, LED element 11 is welded on flexible wires with automation equipment
On the plate of road, anode 12, the cathode 13 of each flexible circuit board are respectively welded at the exposed area 31 of the respective wire 3 of wire array
(32) electrical connection is formed on, the clad 7 of light transmission is squeezed out by injection molding machine, and the clad 7 is by flexible circuit board 1, LED
Element 11, wire array, fixed film 2 coat.
Above-mentioned wire array, in addition to other than being fixed with fixed film on one side, can also be further covered on another side
Insulating film (not shown).
Embodiment three：In conjunction with Fig. 7-Figure 10, the LED light strip of the present embodiment, including：Light transmission clad 7；Several units
Flexible circuit board 1 (Unit two only being shown in Fig. 8, other default) is arranged along the length direction of wire array, wherein per unit
Flexible circuit board is welded with LED element 11 on the front face, and each flexible circuit board is equipped with positive solder joint 12, cathode solder joint 13,
And the positive and negative electrode solder joint of each flexible circuit board is arranged in the same end of flexible circuit board, keeps flexible circuit board setting positive and negative
The end of pole solder joint forms welding ends, and the other end of flexible circuit board is then free end；In conjunction with Figure 10, show by flat
Coiled material after being fixed with fixed film 2 of conducting wire 3, the flat conductor 3 that two (can also be a plurality of) interval is arranged side by side form
Strip wire array, each flat conductor extends along wire array length direction, and the fixation film 2 with insulation performance is solid
It is scheduled on flat conductor the same side, is contacted in face with each flat conductor, the film that is fixed on one side of each flat conductor covers, another
Face is exposed (as shown in Figure 10), and exposed surface towards the back side of flexible circuit board, i.e. the back side of exposed surface and flexible circuit board is in
Face-to-face relationship, the positive and negative electrode solder joint 12 (13) of flexible circuit board end are welded with each flat conductor exposed surface；
Such as Fig. 7-Fig. 9, the welding ends of each flexible circuit board is adjacent with the free end of adjacent another flexible circuit board,
It is in interrupted shape there are gap 5 between adjacent flexible wiring board unit, can facilitates LED light strip is carried out along 5 position of gap in this way
Cut, the back side of each flexible circuitry plate unit towards wire array conducting wire 3 exposed one side, each conducting wire 3 in wire array with
Fixed film 2 is contacted in face to ensure to obtain better stability, since each flexible circuit board welding end anode solder joint 12 (can
To be in the form of via pad), 3 top of cathode solder joint 13 (can be via pad form) conducting wire, flexible circuit board each in this way
3 exposed region of conducting wire that anode 12, cathode 13 are respectively welded at wire array with automation equipment forms electrical connection, makes flexibility
Wiring board welding ends is fixed on wire array, the fixation of relative flexibility wiring board welding ends, the other end of flexible circuit board
It is free, is free end.
The fixed simple structure of above-mentioned wire array, suitable for fixed film is fixed with flat conductor with automation equipment,
Above-mentioned light bar structure is adapted for automated production, and LED element 11 is welded in flexible circuit board with automation equipment,
The exposed region formation that anode 12, the cathode 13 of each flexible circuit board are respectively welded at the respective wire 3 of wire array is electrically connected
It connects, the clad 7 of light transmission is squeezed out by injection molding machine, the clad 7 is by flexible circuit board 1, LED element 11, wire array
With fixed film cladding, LED light strip is formed, it, can be using welding ends as originating terminal, at this time due to every when squeezing out cladding layer process
The other end of a flexible circuit board be it is free, each flexible circuit board can opposing leads array and clad freely stretch.
It will be apparent to those skilled in the art that technical solution that can be as described above and design, make various other
Corresponding change and deformation, and all these changes and deformation should all belong to the protection model of the claims in the present invention
Within enclosing.
Claims (8)
1.LED light bar, which is characterized in that including：
The wire array of strip, the wire array include the flat conductor that two or more pieces interval is arranged side by side, each flat to lead
Line extends along wire array length direction；
More than two flexible circuit board, the length direction along wire array arrange, wherein each flexible circuit board is in its front
On be welded with LED element, towards wire array, each flexible circuit board is equipped with positive and negative at the back side of each flexible circuitry plate unit
Pole solder joint, and the positive and negative electrode solder joint of each flexible circuit board is arranged in the same end of flexible circuit board, and flexible circuit board is made to be arranged
The end of positive and negative electrode solder joint forms welding ends, and the positive and negative electrode solder joint of flexible circuit board welding ends is welded on wire array, makes
Flexible circuit board welding ends is fixed on wire array, and so that flexible circuit board is formed with wire array and be electrically connected, and flexible wires
The other end of road plate is then free end, the free end phase of the welding ends of each flexible circuit board and adjacent another flexible circuit board
It is adjacent；
The clad of light transmission, the clad extends along the length direction of light bar, by wire array, each flexible circuit board packet
It covers.
2. LED light strip according to claim 1, it is characterised in that：It is fixed with fixation on the same face of the wire array
Film, fixed film are contacted with each flat conductor in face.
3. LED light strip according to claim 2, it is characterised in that：Fixed film between flexible circuit board and wire array it
Between, the one side that each flat conductor is docked with fixed film has several regions to be exposed to several welding that fixed film forms wire array
The positive and negative electrode solder joint in region, the welding ends of each flexible circuit board is welded on the respective lands domain of wire array.
4. LED light strip according to claim 3, it is characterised in that：The fixation film includes more than two strip and blocks
Film unit, and be spaced apart along the length direction of wire array, interstitial area of the wire array between adjacent strip and block film unit
Domain is exposed to fixed film and forms welding region.
5. LED light strip according to claim 3, it is characterised in that：The conducting wire position of the fixation film corresponding lead array
It sets and is provided with via hole, the conducting wire exposed area of the via hole position forms the welding region of wire array.
6. the LED light strip according to one of claim 1 to 5, it is characterised in that：Between adjacent flexible wiring board unit there are
Gap and be in interrupted shape.
7. LED light strip according to claim 2, it is characterised in that：The film that is fixed on one side of each flat conductor covers, another
Face is exposed；It is welded towards the exposed one side of wire array conducting wire, each flexible circuit board positive and negative electrode at the back side of each flexible circuit board
It is spot welded the conducting wire exposed surface in wire array.
8. LED light strip according to claim 7, it is characterised in that：Between adjacent flexible wiring board unit there are gap and
In interrupted shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810576088.XA CN108758394A (en) | 2018-06-06 | 2018-06-06 | LED light strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810576088.XA CN108758394A (en) | 2018-06-06 | 2018-06-06 | LED light strip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108758394A true CN108758394A (en) | 2018-11-06 |
Family
ID=64000208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810576088.XA Pending CN108758394A (en) | 2018-06-06 | 2018-06-06 | LED light strip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108758394A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201021764Y (en) * | 2007-02-14 | 2008-02-13 | 姚志峰 | A combined lighting source |
| CN107990176A (en) * | 2017-12-07 | 2018-05-04 | 中山市美耐特光电有限公司 | A kind of adopting surface mounted LED flexible light band |
| CN208418246U (en) * | 2018-06-06 | 2019-01-22 | 中山市美耐特光电有限公司 | LED light strip |
-
2018
- 2018-06-06 CN CN201810576088.XA patent/CN108758394A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201021764Y (en) * | 2007-02-14 | 2008-02-13 | 姚志峰 | A combined lighting source |
| CN107990176A (en) * | 2017-12-07 | 2018-05-04 | 中山市美耐特光电有限公司 | A kind of adopting surface mounted LED flexible light band |
| CN208418246U (en) * | 2018-06-06 | 2019-01-22 | 中山市美耐特光电有限公司 | LED light strip |
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