CN206018358U - S type LEDs - Google Patents
S type LEDs Download PDFInfo
- Publication number
- CN206018358U CN206018358U CN201620768881.6U CN201620768881U CN206018358U CN 206018358 U CN206018358 U CN 206018358U CN 201620768881 U CN201620768881 U CN 201620768881U CN 206018358 U CN206018358 U CN 206018358U
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- China
- Prior art keywords
- lamp bead
- led lamp
- connecting wire
- group
- circuit board
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Abstract
The utility model discloses a kind of S types LED, including：Flexible circuit board, the flexible circuit board are made up of at least two sections S-type flexible circuitry Slab elements, and the bottom surface of the flexible circuit board has at least two main power lines extended along light bar length direction, the top surface of the flexible circuit board to have connecting wire；At least two groups LED lamp bead groups, at least two groups LED lamp bead groups are separately positioned at least top surface of two sections of flexible circuitry Slab elements, the LED lamp bead of every group of LED lamp bead group is connected through the connecting wire on flexible circuitry Slab element top surface, is connected between the main power line on flexible circuitry Slab element bottom surface after series connection；Thickness of the thickness of the main power line more than the connecting wire.By reducing the thickness of main power line, increase the thickness of main power line, decay can be reduced, product illumination effect is good, light basically identical, and, because therefore gross thickness can be increased without cost with constant.
Description
Technical field
This utility model is related to lighting technical field, more particularly to a kind of S types LED.
Background technology
Existing S types LED lamp band does assembling wiring board using FPC (flexible circuit board), is assembled with paster LED.No
With user have different specifications, can arbitrarily cut off, also arbitrarily can extend and luminous unaffected, and FPC made of soft, be suitable for
Use where irregular place and narrow space, also because of its welcome bending and winding, be suitable in ad decoration
The various patterns of combination in any in (such as luminescent characters).
Existing S types LED lamp band is generally by flexible circuit board and the multiple LED lamp bead groups being arranged in flexible circuit board
Into the bottom surface of flexible circuit board has power line, top surface to have connecting wire, and multiple LED lamp beads are connected by connecting wire, after series connection
It is connected between power line.The power line of existing flexible circuit board identical with the thickness of connecting wire (at 35 μm or so), by
It is S type curved design in flexible circuit board, position is limited, and therefore power line and connecting wire are thinner, cause product voltage attenuation
Larger, after testing, supply voltage is 12V, and 5 meters of length ends voltages only have 6-8V, and decay 4-6V, can only do the advertisement of small area
Luminescent characters, it is longer that large-area advertisement light emitting word needs to use LED lamp strip length, light bar length length, due to circuit cabling compared with
Carefully, voltage drop can cause led decay of luminescences, affect the illumination effect of advertisement, therefore can not use than larger.
Content of the invention
For above-mentioned state of the art, this utility model provides a kind of S types LED, in the situation for not increasing cost
Decline low-end voltage attenuation.
In order to solve above-mentioned technical problem, a kind of S types LED provided by the utility model, including：
Flexible circuit board, the flexible circuit board are made up of at least two sections S-type flexible circuitry Slab elements, the flexibility
The bottom surface of wiring board has at least two main power lines extended along light bar length direction, the top surface of the flexible circuit board to have connection
Wire；
At least two groups LED lamp bead groups, at least two groups LED lamp bead groups are separately positioned at least two sections of flexible circuitry Slab elements
On top surface, the LED lamp bead of every group of LED lamp bead group is connected through the connecting wire on flexible circuitry Slab element top surface, connects after series connection
Between the main power line on flexible circuitry Slab element bottom surface；
Thickness of the thickness of the main power line more than the connecting wire.
Wherein in one embodiment, the thickness of the main power line is 50 μm～70 μm, the thickness of the connecting wire
For 8 μm～28 μm.
Wherein in one embodiment, the thickness of the main power line is 55 μm～65 μm, the thickness of the connecting wire
For 13 μm～23 μm.
Wherein in one embodiment, the main power line includes cathode power supply line, the first anode power cord, the second negative pole
Power line and the 3rd anode power cord, the connecting wire include that the first connecting wire, the second connecting wire and the 3rd connection are led
Line, the LED lamp bead include emitting red light chip, green emitting chip and blue luminescence chip, every group of LED lamp bead group described
The emitting red light chip of LED lamp bead is connected through the first connecting wire, and after series connection, one end is connected with cathode power supply line, the other end and
One anode power cord is connected, and the green emitting chip of the LED lamp bead of every group of LED lamp bead group is connected through the second connecting wire,
After series connection, one end is connected with cathode power supply line, and the other end is connected with the second anode power cord, the LED of every group of LED lamp bead group
The blue luminescence chip of lamp bead is connected through the 3rd connecting wire, and after series connection, one end is connected with cathode power supply line, the other end and the 3rd
Anode power cord is connected.
Wherein in one embodiment, the top surface of the flexible circuit board has an auxiliary extended along light bar length direction
Power line, the auxiliary power supply line and the cathode power supply line parallel.
Wherein in one embodiment, the LED lamp bead is 5050RGB lamp beads.
Wherein in one embodiment, the width of the flexible circuit board is 8mm.
Wherein in one embodiment, in every group of LED lamp bead group, there are 3 or 6 LED lamp beads.
Wherein in one embodiment, described S types LED also includes at least two dropping resistors, at least two drops
Piezoresistance is connected with the LED lamp bead at least two groups LED lamp bead groups respectively.
Due to the LED lamp bead negligible amounts of every group of LED lamp bead group, generally 3 or 6, the electric current that connecting wire flows through
Less, and main power line is mains supply line, current needs are big, therefore the main power line of S types LED of the present utility model
Thickness of the thickness more than connecting wire, by reducing the thickness of main power line, increases the thickness of main power line, can reduce and decline
Subtract, product illumination effect is good, light basically identical, and, because therefore gross thickness can be increased without cost with constant.
This utility model additional technical feature is had the advantage that will to be entered in this specification specific embodiment part
Row explanation.
Description of the drawings
Fig. 1 is the structural representation of the S type LEDs in this utility model embodiment；
Fig. 2 is the structural representation of the main power line of the S type LEDs in this utility model embodiment；
Fig. 3 is the structural representation of the connecting wire of the S type LEDs in this utility model embodiment；
Fig. 4 is the circuit theory diagrams of the S type LEDs in this utility model embodiment.
Description of reference numerals：10th, flexible circuit board；12nd, flexible circuitry Slab element；20th, LED lamp bead group；22nd, LED lamp bead；
30th, dropping resistor.
Specific embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments this utility model is described in detail.It should be noted that not rushing
In the case of prominent, the feature in following embodiment and embodiment can be mutually combined.
As Figure 1-3, the S type LEDs in the one of embodiment of this utility model include 10 He of flexible circuit board
At least two groups LED lamp bead groups 20, wherein, the flexible circuit board 10 is by least two sections 12 groups S-type of flexible circuitry Slab elements
Into the underrun of the flexible circuit board 10 is etched in layers of copper and is formed with four main power sources extended along light bar length direction
Line, they are cathode power supply line L respectively+, the first anode power cord LR-, the second anode power cord LG-And the 3rd anode power cord
LB-.The top surface of the flexible circuit board 10 passes through etching in layers of copper and is formed with the first connecting wire NR, the second connecting wire NG
And the 3rd connecting wire NB.Certainly, if monochromatic LED lamp bead, main power line is two, and connecting wire is also two kinds.More excellent
Ground, the width of the flexible circuit board 10 is 8mm, compares product of the width on market for 10mm or 12mm, and cost is reduced
20-40%；Also, more convenient in the limited space mounting of advertisement light emitting word, bending effect is good, and light source luminescent is evenly.
At least two groups LED lamp bead groups 20 are separately positioned at least top surface of two sections of flexible circuitry Slab elements 12, every group of LED
There are some (the present embodiment is three) LED lamp beads 22 in lamp bead group 20, the LED lamp bead 22 in the present embodiment is RGB three-primary color LEDs
Lamp bead, it include emitting red light chip 22a, green emitting chip 22b and blue luminescence chip 22c.More preferably, the LED
Pearl 22 is 5050RGB lamp beads, by external controller, can become many (7) and plant color and multiple flickers change.LED lamp bead 22
It can also be monochromatic LED lamp bead.
In conjunction with shown in Fig. 4, the emitting red light chip 22a of three LEDs lamp beads 22 of every group of LED lamp bead group 20 is through the first connection
Wire NRSeries connection, one end and cathode power supply line L after series connection+It is connected, the other end and the first anode power cord LR-It is connected, every group of LED
The green emitting chip 22b of three LEDs lamp beads 22 of lamp bead group 20 is through the second connecting wire NGSeries connection, one end and positive pole after series connection
Power line L+It is connected, the other end and the second anode power cord LG-It is connected, the indigo plant of three LEDs lamp beads 22 of every group of LED lamp bead group 20
Color luminescence chip 22c is through the 3rd connecting wire NBSeries connection, one end and cathode power supply line L after series connection+It is connected, the other end is negative with the 3rd
Pole power line LB-It is connected.By in the first anode power cord LR-, the second anode power cord LG-And the 3rd anode power cord LB-Input
Different electric currents, LED lamp bead 22 can send the light of different colours.
Inventor of the present utility model has found, due to the LED lamp bead negligible amounts of every group of LED lamp bead group, generally 3 or
6, the electric current that connecting wire flows through is less, therefore reduces the thickness of connecting wire on the basis of original, and main power line is
Mains supply line, current needs are big, therefore increase the thickness of main power line on the basis of original, so can reduce decay,
Product illumination effect is good, lights basically identical.So as to solve in the case where cost is not increased, terminal voltage decay is larger to ask
Topic.More preferably, the main power line L+、LR-、LG-、LB-Thickness be 50 μm～70 μm, connecting wire NR-、NG-、NB-'s
Thickness is 8 μm～28 μm.It is further preferred that the main power line L+、LR-、LG-、LB-Thickness be 55 μm～65 μm, described
Connecting wire NR-、NG-、NB-Thickness be 13 μm～23 μm.So design is tested after making finished product, supply voltage 12V, and 5 meters long
Degree terminal voltage is 10V, and decay 2V；Supply voltage 24V, 5 meters of length ends voltages are 22.5V, and decay 1.5V, and decay is dropped significantly
Low, product illumination effect is good, lights basically identical.And, 10 top layer copper thickness of flexible circuit board+bottom copper thick total 68 μm～88
μm, essentially the same with FPCB products (thick 35 μm of top layer copper 35 μm+bottom of thickness copper the adds up to 70 μm) cost on market.
Inventor of the present utility model has found, when LED lamp bead 22 only has one single chip luminous, the power supply foot of main power line
Enough, but when red luminescence chip 22a, green emitting chip 22b and blue luminescence chip 22c are lighted together, voltage requirements meeting
Become big, the supply voltage decay of main power line becomes big, affects illumination effect.Therefore, in order to reduce supply voltage decay, improve
LED illumination effects, the top surface of the flexible circuit board 10 have an auxiliary power supply line N extended along light bar length direction+, this is auxiliary
Help power line N+With the cathode power supply line L+In parallel.So, equivalent to increased cathode power supply line L+Cross-sectional area, so as to
Significantly reduce decay.
More preferably, some dropping resistors 30 are also included, some LEDs in dropping resistor 30 and every group of LED lamp bead group 20
Pearl 22 is connected.
To sum up, S types LED of the present utility model has the advantages that：
(1) by the thickness of increase main power line, reduce the thickness of connecting wire, it is achieved that in the situation for not increasing cost
Lower solve the problems, such as terminal voltage decay larger；
(2) auxiliary power supply line is increased by the top surface in flexible circuit board, solve when red luminescence chip 22a,
When green emitting chip 22b and blue luminescence chip 22c are lighted together, the problem of voltage attenuation, improves illumination effect；
(3) voltage attenuation is reduced by circuit structure, 8mm is reached such that it is able to reduce the width of flexible circuit board, good
Place is：1. product cost reduces 20-40%, and light bar product illumination effect improves 50%；2. more convenient, use is installed and used
Scope is bigger.
Embodiment described above only expresses several embodiments of the present utility model, and its description is more concrete and detailed,
But therefore can not be interpreted as the restriction to this utility model the scope of the claims.It should be pointed out that common for this area
For technical staff, without departing from the concept of the premise utility, some deformations and improvement can also be made, these all belong to
In protection domain of the present utility model.
Claims (9)
1. a kind of S types LED, including：
Flexible circuit board (10), flexible circuit board (10) are made up of at least two sections S-type flexible circuitry Slab elements (12),
There are at least two main power line (L extended along light bar length direction the bottom surface of flexible circuit board (10)+、LR-、LG-、LB-),
The top surface of flexible circuit board (10) has connecting wire (NR、NG、NB)；
At least two groups LED lamp bead groups (20), at least two groups LED lamp bead groups (20) are separately positioned at least two sections flexible circuit board lists
On the top surface of first (12), the LED lamp bead (22) of every group of LED lamp bead group (20) is through the connection on flexible circuitry Slab element (12) top surface
Wire (NR、NG、NB) series connection, the main power line (L being connected to after series connection on flexible circuitry Slab element (12) bottom surface+、LR-、LG-、
LB-) between；
Characterized in that, main power line (the L+、LR-、LG-、LB-) thickness be more than the connecting wire (NR-、NG-、NB-) thickness
Degree.
2. S types LED according to claim 1, it is characterised in that the main power line (L+、LR-、LG-、LB-) thickness
Spend for 50 μm～70 μm, the connecting wire (NR-、NG-、NB-) thickness be 8 μm～28 μm.
3. S types LED according to claim 2, it is characterised in that the main power line (L+、LR-、LG-、LB-) thickness
Spend for 55 μm～65 μm, the connecting wire (NR-、NG-、NB-) thickness be 13 μm～23 μm.
4. S types LED as claimed in any of claims 1 to 3, it is characterised in that the main power line (L+、
LR-、LG-、LB-) include cathode power supply line (L+), the first anode power cord (LR-), the second anode power cord (LG-) and the 3rd negative pole
Power line (LB-), the connecting wire includes the first connecting wire (NR), the second connecting wire (NG) and the 3rd connecting wire
(NB), described LED lamp bead (22) include emitting red light chip (22a), green emitting chip (22b) and blue luminescence chip
(22c), the emitting red light chip (22a) of the LED lamp bead (22) of every group of LED lamp bead group (20) is through the first connecting wire (NR)
Series connection, one end and cathode power supply line (L after series connection+) be connected, the other end and the first anode power cord (LR-) be connected, every group of LED
The green emitting chip (22b) of the LED lamp bead (22) of pearl group (20) is through the second connecting wire (NG) series connection, one end after series connection
With cathode power supply line (L+) be connected, the other end and the second anode power cord (LG-) be connected, every group of LED lamp bead group (20) described
The blue luminescence chip (22c) of LED lamp bead (22) is through the 3rd connecting wire (NB) series connection, one end and cathode power supply line after series connection
(L+) be connected, the other end and the 3rd anode power cord (LB-) be connected.
5. S types LED according to claim 4, it is characterised in that the top surface of flexible circuit board (10) has
Along the auxiliary power supply line (N that light bar length direction extends+), the auxiliary power supply line (N+) with the cathode power supply line (L+) in parallel.
6. S types LED according to claim 4, it is characterised in that described LED lamp bead (22) are 5050RGB lamp beads.
7. S types LED according to claim 1, it is characterised in that the width of flexible circuit board (10) is 8mm.
8. S types LED according to claim 1, it is characterised in that have 3 or 6 in every group of LED lamp bead group (20)
LED lamp bead (22).
9. S types LED according to claim 1, it is characterised in that also include at least two dropping resistors (30), extremely
Few two dropping resistors (30) are connected with the LED lamp bead (22) at least two groups LED lamp bead groups (20) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620768881.6U CN206018358U (en) | 2016-07-19 | 2016-07-19 | S type LEDs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620768881.6U CN206018358U (en) | 2016-07-19 | 2016-07-19 | S type LEDs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206018358U true CN206018358U (en) | 2017-03-15 |
Family
ID=58245033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620768881.6U Expired - Fee Related CN206018358U (en) | 2016-07-19 | 2016-07-19 | S type LEDs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206018358U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110047396A (en) * | 2019-05-28 | 2019-07-23 | 深圳市海柏恩科技有限公司 | A kind of elasticity LED display |
-
2016
- 2016-07-19 CN CN201620768881.6U patent/CN206018358U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110047396A (en) * | 2019-05-28 | 2019-07-23 | 深圳市海柏恩科技有限公司 | A kind of elasticity LED display |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170315 Termination date: 20200719 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |