CN102625578B - Light-emitting diode (LED) circuit board component - Google Patents
Light-emitting diode (LED) circuit board component Download PDFInfo
- Publication number
- CN102625578B CN102625578B CN201110203023.9A CN201110203023A CN102625578B CN 102625578 B CN102625578 B CN 102625578B CN 201110203023 A CN201110203023 A CN 201110203023A CN 102625578 B CN102625578 B CN 102625578B
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- Prior art keywords
- circuit board
- led circuit
- led
- main traverse
- traverse line
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- Expired - Fee Related
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- 230000005611 electricity Effects 0.000 claims description 15
- 239000004020 conductor Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000002035 prolonged effect Effects 0.000 abstract 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 18
- 239000011889 copper foil Substances 0.000 description 12
- 239000000463 material Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 229910052802 copper Inorganic materials 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- 230000007613 environmental effect Effects 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 241001232787 Epiphragma Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000013039 cover film Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- ALKZAGKDWUSJED-UHFFFAOYSA-N dinuclear copper ion Chemical compound [Cu].[Cu] ALKZAGKDWUSJED-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003698 laser cutting Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The invention relates to a light-emitting diode (LED) circuit board component. The LED circuit board component comprises one or more LED circuit boards (1), a positive main wire (3) and a negative main wire (4), a plurality of serially-connected LED groups are arranged on each LED circuit board (1), each serially-connected LED group comprises a plurality of serially-connected LEDs (2), and the serially-connected LED groups are connected in parallel to the positive circuit (5) and the negative circuit (6) of the LED circuit board (1); the positive main wire (3) and the negative main wire (4) are separated from the LED circuit boards (1) by a certain distance; and a positive circuit (5) is connected with the positive main wire (3) through a positive connecting wire (13), and the negative circuit (6) is connected with the negative main wire (4) through the negative connecting wire (14). The LED circuit board component is low in manufacturing cost and high in radiating performance, the reliability of a product is greatly improved, the actual service life is greatly prolonged, and working length of the product is increased.
Description
Technical field
The present invention relates to LED circuit board field, be specifically related to a kind of novel LED circuit board assembly.
Background technology
In the LED circuit board of prior art, the main line of the LED circuit board product of this prior art just in the circuit board, namely be exactly with wiring board one the main line being positioned at wiring board dual-side and, a part for the conductive circuit layer of main line and inherently wiring board, be generally Copper Foil, be mainly used for guiding the operating current of LED.
In actual applications, for the LED circuit board of this prior art, the LED of general employing about 3 is connected into one group, forms some LED series connection groups like this in LED circuit board, and these LED series connection groups are together in parallel by the main line then by wiring board product both sides.
Typically, the head end of wiring board product and end all have positive-negative polarity (being namely arranged to both positive and negative polarity), when practical application, directly join end to end.
But, due to LED circuit board long time unavoidably there is resistance, therefore unsuitable long during series connection, otherwise excessive voltage attenuation can be caused.
And, if LED circuit board is long, LED series connection group in parallel is too much, the electric current that the main line of wiring board both sides needs load excessive, cause excessive heat, the heat that these heats work together with LED itself, not easily Quick diffusing falls, cause LED working temperature too high, and then affect the luminescent properties of LED and reliability and its useful life.
For this reason, the wiring board of prior art usually adopts wider and thicker copper foil circuit layer, and because the cost of Copper Foil is high, this inevitably causes higher material cost, and its final heat dispersion and functional reliability unsatisfactory.Such as, in actual applications, the total length after its connection is generally no more than 5 meters to the LED circuit board of this prior art, otherwise voltage attenuation is too much, be difficult to ensure all LED normal working voltages, and caloric value is excessive, radiating effect is bad, is difficult to be applied in the application scenario of high requirement.
In view of the above, in the urgent need to a kind of novel LED circuit board assembly in this area, to alleviate or even to avoid above-mentioned defect, its cost of manufacture reduces, perfect heat-dissipating, reliability and the real work life-span of product improve all greatly, and its active length also can extend greatly.
Based on these problems of the prior art, and propose the present invention.
Summary of the invention
In view of the above, the present invention is proposed.The present invention is intended to solve the above technical problem with other.
According to an aspect of the present invention, LED circuit board assembly of the present invention can be designed so that the two ends of LED circuit board product are opposed polarity, and such as one end is just (+) pole, and the other end is negative (-) pole.LED in this single hop LED circuit board is all together in series, and namely forms series circuit.
This kind of LED circuit board product is equivalent to cancel main line in the past, directly the lamp resistant series in the middle of wiring board is got up.
According to LED circuit board assembly of the present invention, two main lines (being such as general copper BRV line) is in use set separately at the two ends of LED circuit board product, serves as the both positive and negative polarity supply lines of product.Then the both positive and negative polarity of each independent LED circuit board is connected with two main lines (being both positive and negative polarity respectively), the function of LED circuit board assembly of the present invention can be realized.
As a preferred embodiment, connected mode between each independent LED circuit board and shared both positive and negative polarity main line can be arranged to parallel way, that is, each independent LED circuit board can be designed to be unified into one group with the LED strip of more than 3, then becomes parallel circuits with main line.
Certainly, as another preferred embodiment, each independent LED circuit board can be designed so that the LED that it is installed is unified into a LED strip joint group with the LED strip of more than 3, such LED strip joint group can be two or more, these LED strip joint groups are arranged in each independent LED circuit board, are connected accordingly separately in parallel again with the both positive and negative polarity main line shared.A kind of concrete connected mode is, correspondingly welds pad in each independent LED circuit board and corresponding shared main line with connecting conducting line segment.
More specifically, according to an aspect of the present invention, the invention provides a kind of LED circuit board assembly, comprising: one or more LED circuit board, each LED circuit board is provided with multiple LED, described multiple LED strip join be connected to described LED circuit board positive pole circuit and negative pole circuit on; Article one, independent positive pole main traverse line and an independent negative pole main traverse line, wherein said positive pole main traverse line, negative pole main traverse line and described one or more LED circuit board are arranged with being separated by a distance; Wherein, the positive pole circuit of each LED circuit board connects wire by positive pole and to conduct electricity with described positive pole main traverse line and be connected, and the negative pole circuit of each LED circuit board to be conducted electricity with negative pole main traverse line by negative pole connection wire and is connected.
According to a further aspect in the invention, present invention also offers a kind of LED circuit board assembly, comprise: one or more LED circuit board, each LED circuit board is provided with multiple LED strip joint group, wherein each described LED strip joint group comprises multiple LED be connected in series, and on described multiple LED strip joint group positive pole circuit of being connected to described LED circuit board in parallel and negative pole circuit; Article one, independent positive pole main traverse line and an independent negative pole main traverse line, wherein said positive pole main traverse line, negative pole main traverse line and described one or more LED circuit board are arranged with being separated by a distance; Wherein, the positive pole circuit of each LED circuit board connects wire by positive pole) conduct electricity with described positive pole main traverse line and be connected, and the negative pole circuit of each LED circuit board connects wire by negative pole to conduct electricity with negative pole main traverse line and be connected.
According to one embodiment of the invention, described LED circuit board is made up of single-sided flexible circuit board, double-faced flexible wiring board or multi-layer flexible circuit board.
According to another embodiment of the present invention, positive pole main traverse line and negative pole main traverse line are the plain conductors of unlimited continuous length.
According to another embodiment of the present invention, the pad being arranged on each LED circuit board two ends connects wire by corresponding positive pole, negative pole connects wire and conduct electricity with positive pole main traverse line, negative pole main traverse line respectively and be connected.
According to another embodiment of the present invention, the thickness of the line layer of described LED circuit board is more than 0.01 millimeter, and the width of described LED circuit board is more than 3.5 millimeters.
LED circuit board assembly of the present invention through encapsulating process, can become the water-proof LED circuit board assembly of embedding.
LED circuit board establishment of component cost of the present invention reduces, and perfect heat-dissipating, reliability and the real work life-span of product improve all greatly, and its active length also extends greatly.
Following in the description of the drawings and specific embodiments, one or more embodiments of the detail of the present invention will be set forth.From these descriptions, accompanying drawing and claim, other features, objects and advantages of the present invention can be known.
Accompanying drawing explanation
By reading this specification in conjunction with the following drawings, features, objects and advantages of the invention will become more apparent, and accompanying drawing following detailed description.
Fig. 1 is the schematic diagram of LED circuit board according to an embodiment of the invention, is shown as the flexible circuit board (FPC) being welded with LED in the present embodiment.
Fig. 2 is that shown in Fig. 1, LED circuit board both sides arrange the schematic diagram of the LED circuit board assembly of common wire according to an embodiment of the invention, shows two public both positive and negative polarity wires and conducts electricity with the two ends (both positive and negative polarity) of LED circuit board shown in Fig. 1 be connected by connecting conducting line segment.
Embodiment
Below by with the flexible print circuit board being applicable to install LED and other element for specific embodiment is described in more detail the present invention.Should be appreciated that the present invention is not only applicable to single-sided flexible printed substrate, be also applicable to double-sided flexible printed circuit board or multilayer LED wiring board, and be also applicable to rigid line plate (in the industry also referred to as " hardboard ").
Term " single-sided flexible printed substrate " refers to and is only provided with circuit in the one side of this flexible print circuit board.Term " double-sided flexible printed circuit board " refers to and is all provided with circuit on the two sides of this flexible print circuit board.
Before describing the present invention in detail, those skilled in the art are to be understood that, " element " should do the understanding in the most wide in range connotation in this application, namely the element of all types of electronic component for circuit, electric component or other type is comprised, such as various resistance, the element of various surface mount (SMT) type, the element of support rack type, various high power device etc., comprise great power LED, etc.
In addition, term " wiring board " and " circuit board " can use interchangeably in the application.
Below in conjunction with drawings and Examples, the manufacturing process of LED circuit board assembly of the present invention and structure are described in further detail.
One typical process flow of the LED circuit board of prior art is as follows.
Sawing sheet (opens base material, base material is the base material of two-sided 1 ounce (OZ), base material herein refer to by the PI of the glue of two-layer 1OZ Copper Foil, two-layer 25 micron thickness and one deck 25 micron thickness totally 5 layers form)-boring (brill base material)-heavy copper-copper facing-exposure-development-etch-paste epiphragma (positive and negative coverlay pastes on wiring board after the etching simultaneously)-pressing-baking-silk-screen-electrical measurement-anti-oxidation-profile-FQC-packaging-shipment.
Secondary flow journey is: sawing sheet (positive and negative coverlay)-boring (boring positive and negative coverlay)--proceed to and paste epiphragma operation.
According to a preferred embodiment of the invention, first make single hop LED circuit board 1 as shown in Figure 1, the preferred typical process flow of one is as follows.
Sawing sheet: metal materials such as () pure copper foil---bore Copper Foil location hole---laser cutting is carried out to Copper Foil----paste positive and negative coverlay-pressing---word-electrical measurement-anti-oxidation---profile-FQC-packaging
Secondary flow journey: sawing sheet (positive and negative coverlay)--boring (boring top ground cover film)--proceeds to attachment stand-by.
As mentioned above, those skilled in the art obviously can know, this manufacture craft does not relate to the technique of heavy copper, copper facing, exposure, development, etching etc. the contaminated environment of prior art at all, therefore very environmental protection.Moreover, its manufacture craft simplifies greatly, has deleted the processing step of many prior aries, so the whole manufacture craft of LED circuit board not only has unrivaled superiority in environmental protection, and the cost of its manufacture craft also reduces greatly.
Like this, just can obtain one-sided circuit board 1 as shown in Figure 1, wherein on the one side Copper Foil of one-sided circuit board 1, define both positive and negative polarity circuit 5 and 6.
Then, in the LED circuit board of single hop shown in Fig. 11, multiple LED 2 can be mounted with technique commonly known in the art, as shown in Figure 1.
There is provided public (both positive and negative polarity) main traverse line 3 and 4 that two independent, they conduct electricity with single hop LED circuit board 1 respectively and are connected.
According to an embodiment, wiring board in each single hop LED circuit board 1 can adopt and multiple LED is designed to a LED strip joint group (being applicable to shorter single hop LED circuit board 1), or be designed to the multiple LED strip joint groups (being applicable to longer single hop LED circuit board 1) be connected in parallel, then by being such as arranged on the pad at each single hop LED circuit board 1 two ends, and be connected with 4 with public (both positive and negative polarity) main traverse line 3 respectively with 14 via connection conducting line segment 13, namely, achieve and public (both positive and negative polarity) main traverse line 3 is connected with 6 with the both positive and negative polarity circuit 5 on wiring board 1 with 4, namely LED circuit board assembly is as shown in Figure 2 obtained.Certainly, although illustrate only a single hop LED circuit board 1 in fig. 2, those skilled in the art are obviously appreciated that and can be connected in parallel multiple single hop LED circuit board 1 at public (both positive and negative polarity) main traverse line 3 and 4.
According to another embodiment, the two ends of single hop LED circuit board 1 are designed to different polarity, and namely head end is+pole, and end is-pole, and the circuit of single hop LED circuit board 1 is all series circuit, and namely whole components and parts such as LED and resistance are all in and are electrically connected in series.In this case, the structure of single hop LED circuit board 1 is equivalent to the conducting wire not using prior art at work, directly adopts public (both positive and negative polarity) main traverse line 3 and 4 to be together in series by the components and parts such as the LED 2 in wiring board 1 and resistance.Like this, the width of the Copper Foil of obvious wiring board and thickness can reduce as far as possible, to save cost.
As mentioned above, this area designer is appreciated that and two additional public main traverse lines can be adopted to conduct electricity just because of LED circuit board assembly of the present invention, is therefore no matter width or its thickness of the Copper Foil in wiring board, compared with the LED circuit board of prior art, can be designed to less.Like this, just greatly material cost can be reduced.
Such as, the thickness of the conducting wire layer material (such as Copper Foil) of wiring board 1 can be reduced to 0.01 millimeter, certainly, also can be designed so that its thickness is more than 0.01 millimeter.
Such as, the width of wiring board 1 can be reduced to 3.5 millimeters.Certainly, also can be designed to more than 3.5 millimeters as required.
Be suitable for the LED 2 be arranged on wiring board 1 and can comprise various types of LED, such as model is the monochromatic or RGB three-color LED lights such as 335,3528,5050, etc.The model of resistance can be 0603,0805,0812, etc.
Obviously, this area designer is appreciated that according to different application scenarios and customer requirement completely, and LED circuit board 1 of the present invention can comprise other various types of LED, resistance and other components and parts etc.
For public (both positive and negative polarity) main traverse line 3 and 4, can be made up of any conductive metal or alloy material.It can be made up of conductive metal materials such as copper, aluminium, copper alloy, aluminium alloys.
In addition, as another preferred version, main traverse line 3 and 4 also can be wrapped through coil winding machine by some fine rules and form, and namely forms twisted wire 3 and 4.The line diameter of this some fine rule is minimum can be 0.01 millimeter.
Main traverse line 3 with 4 thickness determine according to the length of the LED circuit board 1 (light bar) that will be connected.Theoretically, LED circuit board assembly according to the present invention can adopt public main traverse line 3 to be connected many single hop LED circuit board 1 with 4, makes the length of finished product LED can arrive continuous continual indefinite length, generally more than 1 meter.Therefore, main traverse line 3 and 4 can be unlimited continuous print length.
LED circuit board 1 of the present invention and main traverse line 3,4 through encapsulating process, can become the water-proof LED circuit board assembly of embedding, and wherein wiring board 1 and main traverse line 3,4 can be got up with the mode embedding of waterproof sealing by casting glue.
As mentioned above, the design production decision of existing LED circuit board thickeies by the metal (Copper Foil) of product, to increase the ability of product by electric current.
But, according to the present invention, connected mode as above can be used to increase the rugosity (size) of main traverse line 3 and 4, and then improve the ability of main traverse line 3 and 4 loaded current.
In sum, according to the present invention, the processing condition and method of environmental protection LED circuit board can be adopted to produce wiring board, reduce the thickness of conductive layer metal (being generally Copper Foil).The mode of the additional main traverse line 3 and 4 of welding is adopted at the back side of LED circuit board assembly of the present invention or both sides, often organizing the upper main traverse line of parallel interface place welding being already designed to series-parallel circuit, local adds the electrical conduction current sectional area of original circuit (copper foil layer) on wiring board, unrestrictedly can increase the length of final LED.
Moreover, dividually arrange and via be connected conducting line segment 13 and 14 conduct electricity be connected with 4 with wiring board 1 due to public main traverse line 3, therefore the heat that main traverse line 3 and 4 (a large amount of electric current of load) operationally produces can not directly transmit on wiring board 1, thus greatly reduce the working temperature of LED circuit board 1 (especially LED 2), improve its functional reliability.
Describe specific embodiments of the invention above.But should be appreciated that under the premise without departing from the spirit and scope of the present invention, can various amendment be carried out.Therefore, other embodiment also all belongs to the protection range of claim of the present invention.
Claims (10)
1. a LED circuit board assembly, is characterized in that, comprising:
One or more LED circuit board (1), each LED circuit board (1) is provided with multiple LED (2), on the positive pole circuit (5) that described multiple LED (2) is connected in series in described LED circuit board (1) and negative pole circuit (6);
Article one, independent public positive pole main traverse line (3) and an independent public negative pole main traverse line (4), wherein said public positive pole main traverse line (3), public negative pole main traverse line (4) are arranged with described one or more LED circuit board (1) with being separated by a distance;
Wherein, the positive pole circuit (5) of each LED circuit board (1) connects wire (13) by positive pole and to conduct electricity with described public positive pole main traverse line (3) and be connected, and the negative pole circuit (6) of each LED circuit board (1) connects wire (14) by negative pole to conduct electricity with public negative pole main traverse line (4) and be connected;
Wherein, the pad being arranged on each LED circuit board (1) two ends is connected wire (14) by corresponding positive pole connection wire (13), negative pole and is conducted electricity be connected with public positive pole main traverse line (3), public negative pole main traverse line (4) respectively; And
Wherein, the thickness of the line layer of described LED circuit board (1) is more than 0.01 millimeter, and the width of described LED circuit board (1) is more than 3.5 millimeters.
2. LED circuit board assembly according to claim 1, is characterized in that, described LED circuit board (1) is made up of single-sided flexible circuit board, double-faced flexible wiring board or multi-layer flexible circuit board.
3. LED circuit board assembly according to claim 1, is characterized in that, public positive pole main traverse line (3) and public negative pole main traverse line (4) are the plain conductors of unlimited continuous length.
4. LED circuit board assembly according to claim 1, is characterized in that, described public positive pole main traverse line (3) and public negative pole main traverse line (4) are twisted wires.
5. LED circuit board assembly according to claim 1, is characterized in that, described public positive pole main traverse line (3) and public negative pole main traverse line (4) are welded on the back side or the both sides of described LED circuit board assembly.
6. a LED circuit board assembly, is characterized in that, comprising:
One or more LED circuit board (1), each LED circuit board (1) is provided with multiple LED strip joint group, wherein each described LED strip joint group comprises multiple LED (2) be connected in series, and on described multiple LED strip joint group positive pole circuit (5) of being connected to described LED circuit board (1) in parallel and negative pole circuit (6);
Article one, independent public positive pole main traverse line (3) and an independent public negative pole main traverse line (4), wherein said public positive pole main traverse line (3), public negative pole main traverse line (4) are arranged with described one or more LED circuit board (1) with being separated by a distance;
Wherein, the positive pole circuit (5) of each LED circuit board (1) connects wire (13) by positive pole and to conduct electricity with described public positive pole main traverse line (3) and be connected, and the negative pole circuit (6) of each LED circuit board (1) connects wire (14) by negative pole to conduct electricity with public negative pole main traverse line (4) and be connected;
Wherein, the pad being arranged on each LED circuit board (1) two ends is connected wire (14) by corresponding positive pole connection wire (13), negative pole and is conducted electricity be connected with public positive pole main traverse line (3), public negative pole main traverse line (4) respectively; And
Wherein, the thickness of the line layer of described LED circuit board (1) is more than 0.01 millimeter, and the width of described LED circuit board (1) is more than 3.5 millimeters.
7. LED circuit board assembly according to claim 6, is characterized in that, described LED circuit board (1) is made up of single-sided flexible circuit board, double-faced flexible wiring board or multi-layer flexible circuit board.
8. LED circuit board assembly according to claim 6, is characterized in that, public positive pole main traverse line (3) and public negative pole main traverse line (4) are the plain conductors of unlimited continuous length.
9. LED circuit board assembly according to claim 6, is characterized in that, described public positive pole main traverse line (3) and public negative pole main traverse line (4) are twisted wires.
10. LED circuit board assembly according to claim 6, is characterized in that, described public positive pole main traverse line (3) and public negative pole main traverse line (4) are welded on the back side or the both sides of described LED circuit board assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110203023.9A CN102625578B (en) | 2011-07-20 | 2011-07-20 | Light-emitting diode (LED) circuit board component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110203023.9A CN102625578B (en) | 2011-07-20 | 2011-07-20 | Light-emitting diode (LED) circuit board component |
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| Publication Number | Publication Date |
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| CN102625578A CN102625578A (en) | 2012-08-01 |
| CN102625578B true CN102625578B (en) | 2015-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110203023.9A Expired - Fee Related CN102625578B (en) | 2011-07-20 | 2011-07-20 | Light-emitting diode (LED) circuit board component |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102927483A (en) * | 2012-11-20 | 2013-02-13 | 田茂福 | Integrated flip type LED illuminating assembly |
| US10727009B2 (en) | 2018-05-31 | 2020-07-28 | Darfon Electronics Corp. | Light source board, manufacturing method thereof, and luminous keyboard using the same |
| US10895372B2 (en) | 2018-05-31 | 2021-01-19 | Darfon Electronics Corp. | Light source board, manufacturing method thereof, and luminous keyboard using the same |
| CN109114457B (en) * | 2018-06-14 | 2021-07-09 | 苏州达方电子有限公司 | Light source lamp panel, manufacturing method thereof and light-emitting keyboard applying light source lamp panel |
| TW202341209A (en) | 2022-04-08 | 2023-10-16 | 達方電子股份有限公司 | Backlit module and key for backlit keyboard |
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| CN200999996Y (en) * | 2007-01-24 | 2008-01-02 | 林原 | Lighting lamp strips |
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| CN101789422A (en) * | 2009-01-23 | 2010-07-28 | 青荣科技有限公司 | Light-emitting diode (LED) module |
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| CN202353936U (en) * | 2011-07-20 | 2012-07-25 | 田茂福 | Light emitting diode (LED) circuit board module |
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|---|---|---|---|---|
| CN2787996Y (en) * | 2005-02-02 | 2006-06-14 | 谢波 | LED linear lighting lamp |
| CN201000001Y (en) * | 2007-01-08 | 2008-01-02 | 赖金鸿 | Adjustable length LED lamp strip |
| CN200999996Y (en) * | 2007-01-24 | 2008-01-02 | 林原 | Lighting lamp strips |
| CN101113807A (en) * | 2007-05-16 | 2008-01-30 | 姚志峰 | Flexibility luminous lamp strip |
| CN201284949Y (en) * | 2008-10-24 | 2009-08-05 | 赵勇东 | Paster rainbow pipe |
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| CN202353936U (en) * | 2011-07-20 | 2012-07-25 | 田茂福 | Light emitting diode (LED) circuit board module |
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| CN102625578A (en) | 2012-08-01 |
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