CN108895324A - A kind of flexible LED lamp strand - Google Patents
A kind of flexible LED lamp strand Download PDFInfo
- Publication number
- CN108895324A CN108895324A CN201810812501.8A CN201810812501A CN108895324A CN 108895324 A CN108895324 A CN 108895324A CN 201810812501 A CN201810812501 A CN 201810812501A CN 108895324 A CN108895324 A CN 108895324A
- Authority
- CN
- China
- Prior art keywords
- bar shaped
- shaped flexible
- chip
- flexible metal
- conductive trace
- 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.)
- Withdrawn
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
-
- 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
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
-
- 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]
Abstract
The invention discloses a kind of flexible LED lamp strands,It includes bar shaped flexible metal route plate,Two metal electrodes and more packed LED chips,Bar shaped flexible metal route plate is made of bar shaped flexible metal base plate and the printed wire layer on the front of bar shaped flexible metal base plate,Two metal electrode one-to-one correspondence are installed on the both ends of bar shaped flexible metal base plate,Two metal electrodes are electrically connected with printed wire layer respectively,Multiple chip installation areas are reserved on the front of bar shaped flexible metal base plate,A packed LED chip is at least bonded on each chip installation area,Multiple routing areas are provided on printed wire floor,Two chip electrodes of packed LED chip, which correspond to be electrically connected respectively by longitudinal routing mode two adjacent thereto different routing areas, makes all packed LED chips series connection or series-parallel,It covers and is coated with phosphor gel formation fluorescent powder glue-line around all packed LED chips and bar shaped flexible metal route plate；Advantage is at low cost, and is not in leakage current.
Description
Technical field
The present invention relates to a kind of filaments, more particularly, to a kind of flexible LED lamp strand.
Background technique
Flexible filament lamp for decorative lighting has largely occurred on the market, and flexible filament lamp generally uses a flexibility
LED light strand, which can bend to various shape, similar to traditional tungsten wire, good decorating effect.
Existing flexible LED lamp strand generallys use flexible circuit board, is one layer of printed wire of etching on flexible board
What layer was formed；Then LED flip chip is welded on printed wire layer and is connected.The institute of existing flexible LED lamp strand
To use LED flip chip, without using conventional routing, this be in order to avoid gold thread is broken during bending, however
Other technologies problem is also resulted in this way：1）Since LED flip chip can only be used, lead to existing flexible LED filament
The price of item is higher；2）When LED flip chip and printed wire layer weld, due to LED flip chip electrode welding zone itself compared with
It is small, therefore it is easy to appear leakage current when welding, it be easy to cause LED flip chip to damage.
Summary of the invention
It is at low cost technical problem to be solved by the invention is to provide a kind of flexible LED lamp strand, and be not in leakage
Electric current.
The present invention solves technical solution used by above-mentioned technical problem：A kind of flexible LED lamp strand, it is characterised in that
Including bar shaped flexible metal route plate, two metal electrodes and more packed LED chips, the bar shaped flexible metal route plate
It is made of bar shaped flexible metal base plate with the printed wire layer that is set on the front of the bar shaped flexible metal base plate, two
The metal electrode, which corresponds, to be installed on the both ends of the bar shaped flexible metal base plate, metal electrode described in two
It is electrically connected respectively with the printed wire layer, multiple chip installations is reserved on the front of the bar shaped flexible metal base plate
Area, be at least bonded with one on the chip installation area described in packed LED chip, set on the printed wire layer
Multiple routing areas are equipped with, two chip electrodes of the packed LED chip are adjacent thereto by longitudinal routing mode respectively
Two different routing areas, which correspond electrical connection, makes all packed LED chip series connection or series-parallel, covering
Phosphor gel, which is coated with, around all packed LED chips and the bar shaped flexible metal route plate forms fluorescent powder
Glue-line.
The printed wire layer includes the more of the positive length direction setting along the bar shaped flexible metal base plate
Group parallel conductive trace, the parallel conductive trace is made of upper parallel circuit and lower parallel circuit, described in two adjacent groups
It is put down described in the lower parallel circuit and later group in parallel conductive trace described in previous group in parallel conductive trace
The upper parallel circuit in row conducting wire passes through parallel conductive trace described in the connection of connection line head and the tail or previous group
In the upper parallel circuit and later group described in the lower parallel circuit in parallel conductive trace pass through connecting line
Road head and the tail connect, described in parallel conductive trace described in every group on the front of the bar shaped flexible metal base plate
Region between upper parallel circuit and the lower parallel circuit is the reserved chip installation area, parallel described in every group
Same number is provided on the upper parallel circuit and the lower parallel circuit in conducting wire and position is corresponding
The routing area, the packed LED chip are adhered to the chip installation area position corresponding with the routing area
It sets, two chip electrodes of the packed LED chip are respectively by longitudinal routing mode and adjacent to the forward LED
The routing area described in two up and down of chip corresponds electrical connection, described upper in parallel conductive trace described in first group
Parallel circuit is electrically connected with the metal electrode described in one of them, under described in last group parallel conductive trace
Parallel circuit is electrically connected with the metal electrode described in another.Here, the printing of multiple groups parallel conductive trace is so that every group parallel
The packed LED chip of routing area connection in conducting wire is connected in parallel to be connected in series between every group of parallel conductive trace.
The tinsel of the packed LED chip routing is any one of gold thread, copper wire, aluminum steel and alloy wire.
The packed LED chip is adhered on the chip installation area by crystal-bonding adhesive.Since packed LED chip is straight
It connected crystal-bonding adhesive to be adhered on the chip installation area reserved on the front of bar shaped flexible metal base plate, therefore packed LED chip
The heat of generation can be quickly transferred on bar shaped flexible metal base plate by crystal-bonding adhesive.
One layer is coated on the back side of the bar shaped flexible metal base plate for accelerating the bar shaped flexible metal base
The heat loss through radiation layer of plate heat dissipation.Here, heat loss through radiation layer uses the preferable material of heat loss through radiation performance, such as graphene, ceramic powder
Deng.
It is provided with insulating layer between the front of the bar shaped flexible metal base plate and the printed wire layer, it is described
Printed wire layer is printed on the insulating layer, on other regions on the printed wire floor in addition to the routing area
It is provided with protection paint layer and insulating effect is risen to printed wire layer, prevent from leaking electricity or get an electric shock.
The routing area is the layer gold or silver layer that plating is set on the printed wire floor.
Compared with the prior art, the advantages of the present invention are as follows：
1）Due to using packed LED chip, reduce costs.
2）It is to pass through since the routing area being arranged on two chip electrodes and printed wire floor of packed LED chip is electrically connected
What longitudinal routing mode was realized, therefore avoid and leakage current occur, it not will cause packed LED chip damage；And no-welding-spot, assembly
Simply.
3）When the flexible LED lamp strand is assemblied in filament lamp, only there are two solder joints, the i.e. seal wire of metal electrode and stem
Solder joint, assembly is simple.
4）After the completion of flexible LED lamp strand encapsulation, can be folded into as needed it is different spiral-shaped, and due to using
Packed LED chip and longitudinal routing mode, therefore efficiently avoid the metal used by routing that fractures in folding process
Silk thread.
Detailed description of the invention
Fig. 1 is flexible LED lamp strand of the invention（It is not bonded with packed LED chip）Schematic diagram of internal structure；
Fig. 2 is flexible LED lamp strand of the invention（It is bonded with packed LED chip）Schematic diagram of internal structure；
Fig. 3 is the enlarged diagram of part A in Fig. 2；
Fig. 4 is the structural schematic diagram of flexible LED lamp strand of the invention；
Fig. 5 is the cross-sectional structure schematic diagram of flexible LED lamp strand of the invention；
Fig. 6 a is the helicoidal structure schematic diagram one that flexible LED lamp strand of the invention is folded into；
Fig. 6 b is the helicoidal structure schematic diagram two that flexible LED lamp strand of the invention is folded into.
Specific embodiment
The present invention will be described in further detail below with reference to the embodiments of the drawings.
A kind of flexible LED lamp strand proposed by the present invention, as shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 5 comprising bar shaped is soft
Property 1, two metal electrode 2 of metal circuit board and more packed LED chips 3, bar shaped flexible metal route plate 1 is by the flexible gold of bar shaped
Belong to substrate 11 and the printed wire layer 12 being set on the front of bar shaped flexible metal base plate 11 forms, two metal electrodes 2 one
One correspondence is installed on the both ends of bar shaped flexible metal base plate 11, and two metal electrodes 2 are electrically connected with printed wire layer 12 respectively,
It is reserved with multiple chip installation areas 13 on the front of bar shaped flexible metal base plate 11, is bonded with two on each chip installation area 13
Packed LED chip 3 is provided with multiple routing areas 14 on printed wire floor 12, and two chip electrodes 31 of packed LED chip 3 divide
Not corresponding electrical connection by longitudinal routing mode two adjacent thereto different routing areas 14 makes all packed LED chips
3 series connection are series-parallel, cover and are coated with phosphor gel shape around all packed LED chips 3 and bar shaped flexible metal route plate 1
At fluorescent powder glue-line 4.
In the present embodiment, printed wire layer 12 include along bar shaped flexible metal base plate 11 positive length direction it is uniform
Spaced multiple groups parallel conductive trace, parallel conductive trace are made of upper parallel circuit 121 and lower parallel circuit 122, phase
The lower parallel circuit 122 and later group parallel conductive trace in previous group parallel conductive trace in adjacent two groups of parallel conductive traces
In upper parallel circuit 121 by connection line 123 connect from beginning to end or previous group parallel conductive trace in upper parallel circuit
121 are connect with the lower parallel circuit 122 in later group parallel conductive trace by connection line 123 from beginning to end, bar shaped flexible metal
It is located at the region between the upper parallel circuit 121 and lower parallel circuit 122 in every group of parallel conductive trace on the front of substrate 11
For reserved chip installation area 13, it is provided on the upper parallel circuit 121 and lower parallel circuit 122 in every group of parallel conductive trace
Two and the corresponding routing area 14 in position, packed LED chip 3 are adhered to the position corresponding with routing area 14 of chip installation area 13
Set, two chip electrodes 31 of packed LED chip 3 respectively by longitudinal routing mode with adjacent to the upper of packed LED chip 3
Xia Liangge routing area 14 corresponds electrical connection, upper parallel circuit 121 and one of gold in first group of parallel conductive trace
Belong to electrode 2 to be electrically connected, the lower parallel circuit 122 in last group of parallel conductive trace is electrically connected with another metal electrode 2.?
This, the printing of multiple groups parallel conductive trace is so that the packed LED chip 3 that the routing area 14 on every group of group parallel conductive trace connects
It is connected in parallel and is connected in series between every group of parallel conductive trace.
In the present embodiment, one layer is coated on the back side of bar shaped flexible metal base plate 11 for accelerating bar shaped flexible metal
The heat loss through radiation layer 15 that substrate 11 radiates, heat loss through radiation layer 15 uses the preferable material of heat loss through radiation performance, such as graphene, ceramics
Powder etc.；Insulating layer 16 is provided between the front and printed wire layer 12 of bar shaped flexible metal base plate 11, printed wire layer 12 prints
Brush on insulating layer 16, be provided on other regions on printed wire floor 12 in addition to routing area 14 protection paint layer 17 to track
Floor 12 insulating effect in road are prevented from leaking electricity or be got an electric shock.
In the present embodiment, the material of bar shaped flexible metal base plate 11 is any one of aluminium, copper, iron etc.；Track
Road floor 12 is calendering layers of copper；The tinsel 32 of 3 routing of packed LED chip is any in gold thread, copper wire, aluminum steel and alloy wire
Kind；Packed LED chip 3 is adhered on chip installation area 13 by crystal-bonding adhesive 33, since packed LED chip 3 directly passes through die bond
Glue 33 is adhered on the chip installation area 13 reserved on the front of bar shaped flexible metal base plate 11, therefore packed LED chip 3 generates
Heat can be quickly transferred on bar shaped flexible metal base plate 11 by crystal-bonding adhesive 33；Routing area 14 is that plating is set to printed wire floor
Layer gold or silver layer on 12；After the completion of flexible LED lamp strand encapsulation, can be folded into as needed it is different spiral-shaped, such as
Shown in Fig. 6 a and Fig. 6 b, helical structure can carry out folding adjustment according to the length of the flexible LED lamp strand, mounting means, such as may be used
The flexible LED lamp strand is folded into horizontal helical structure as shown in Figure 6 a, which can also be folded
At the helical structure of vertical shape as shown in Figure 6 b.
Claims (7)
1. a kind of flexible LED lamp strand, it is characterised in that just including bar shaped flexible metal route plate, two metal electrodes and more
LED chip is filled, the bar shaped flexible metal route plate is by bar shaped flexible metal base plate and is set to the flexible gold of the bar shaped
Belong to the printed wire layer composition on the front of substrate, metal electrode described in two, which corresponds, is installed on the bar shaped flexibility
On the both ends of metal substrate, metal electrode described in two is electrically connected with the printed wire layer respectively, and the bar shaped is soft
Property metal substrate front on be reserved with multiple chip installation areas, be at least bonded with an institute on the chip installation area
The packed LED chip stated is provided with multiple routing areas, two cores of the packed LED chip on the printed wire floor
Plate electrode, which corresponds electrical connection by the longitudinal routing mode two adjacent thereto different routing areas respectively, makes institute
There is the packed LED chip series connection or series-parallel, covers all packed LED chips and the bar shaped flexible metal
It is coated with phosphor gel around wiring board and forms fluorescent powder glue-line.
2. a kind of flexible LED lamp strand according to claim 1, it is characterised in that the printed wire layer includes along institute
The multiple groups parallel conductive trace of the positive length direction setting for the bar shaped flexible metal base plate stated, the parallel conductive trace
It is made of upper parallel circuit and lower parallel circuit, parallel conductive described in the previous group in parallel conductive trace described in two adjacent groups
The lower parallel circuit in electric line passes through with the upper parallel circuit in parallel conductive trace described in later group
Described in the upper parallel circuit and later group in parallel conductive trace described in the connection of connection line head and the tail or previous group
The lower parallel circuit in parallel conductive trace is connected by connection line head and the tail, the bar shaped flexible metal base plate
Between the upper parallel circuit and the lower parallel circuit in parallel conductive trace described in being located at every group on front
Region is the reserved chip installation area, the upper parallel circuit in parallel conductive trace described in every group and described
Lower parallel circuit on be provided with the corresponding routing area of same number and position, the packed LED chip bonding
In on the position corresponding with the routing area of the chip installation area, two chip electricity of the packed LED chip
Pole is corresponded by longitudinal routing mode with adjacent to the routing area described in two up and down of the packed LED chip respectively
It is electrically connected, the upper parallel circuit in parallel conductive trace described in first group and the metal electrode electricity described in one of them
Connection, last described lower parallel circuit organized in the parallel conductive trace are electrically connected with the metal electrode described in another
It connects.
3. a kind of flexible LED lamp strand according to claim 1 or 2, it is characterised in that the packed LED chip routing
Tinsel be any one of gold thread, copper wire, aluminum steel and alloy wire.
4. a kind of flexible LED lamp strand according to claim 1, it is characterised in that the packed LED chip passes through solid
Brilliant gluing is connected on the chip installation area.
5. a kind of flexible LED lamp strand according to claim 1, it is characterised in that the bar shaped flexible metal base plate
One layer of heat loss through radiation layer for accelerating the bar shaped flexible metal base plate to radiate is coated on the back side.
6. a kind of flexible LED lamp strand according to claim 1 or 2, it is characterised in that the bar shaped flexible metal base
Insulating layer is provided between the front of plate and the printed wire layer, the printed wire layer is printed in the insulating layer
On, protection paint layer is provided on other regions on the printed wire floor in addition to the routing area.
7. a kind of flexible LED lamp strand according to claim 6, it is characterised in that the routing area is described in plating is set to
Printed wire layer on layer gold or silver layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810812501.8A CN108895324A (en) | 2018-07-23 | 2018-07-23 | A kind of flexible LED lamp strand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810812501.8A CN108895324A (en) | 2018-07-23 | 2018-07-23 | A kind of flexible LED lamp strand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108895324A true CN108895324A (en) | 2018-11-27 |
Family
ID=64351534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810812501.8A Withdrawn CN108895324A (en) | 2018-07-23 | 2018-07-23 | A kind of flexible LED lamp strand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108895324A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022099576A1 (en) * | 2020-11-13 | 2022-05-19 | 深圳市大疆创新科技有限公司 | Antenna assembly and unmanned aerial vehicle |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105226167A (en) * | 2015-11-02 | 2016-01-06 | 杭州电子科技大学 | A kind of flexible LED filament of full angle luminescence and manufacture method thereof |
| CN107035979A (en) * | 2017-04-27 | 2017-08-11 | 浙江阳光美加照明有限公司 | A kind of bent filament bar and the LED filament lamp using the filament bar |
| CN208579191U (en) * | 2018-07-23 | 2019-03-05 | 浙江阳光美加照明有限公司 | Flexible LED lamp strand and LED filament lamp with flexible LED lamp strand |
| US20190115324A1 (en) * | 2017-10-18 | 2019-04-18 | Yi-Jhen Lee | Flexible led filament and assembly thereof |
-
2018
- 2018-07-23 CN CN201810812501.8A patent/CN108895324A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105226167A (en) * | 2015-11-02 | 2016-01-06 | 杭州电子科技大学 | A kind of flexible LED filament of full angle luminescence and manufacture method thereof |
| CN107035979A (en) * | 2017-04-27 | 2017-08-11 | 浙江阳光美加照明有限公司 | A kind of bent filament bar and the LED filament lamp using the filament bar |
| US20190115324A1 (en) * | 2017-10-18 | 2019-04-18 | Yi-Jhen Lee | Flexible led filament and assembly thereof |
| CN208579191U (en) * | 2018-07-23 | 2019-03-05 | 浙江阳光美加照明有限公司 | Flexible LED lamp strand and LED filament lamp with flexible LED lamp strand |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022099576A1 (en) * | 2020-11-13 | 2022-05-19 | 深圳市大疆创新科技有限公司 | Antenna assembly and unmanned aerial vehicle |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181127 |
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| WW01 | Invention patent application withdrawn after publication |