CN110822315A - Bending-resistant flexible lamp belt - Google Patents
Bending-resistant flexible lamp belt Download PDFInfo
- Publication number
- CN110822315A CN110822315A CN201911102096.1A CN201911102096A CN110822315A CN 110822315 A CN110822315 A CN 110822315A CN 201911102096 A CN201911102096 A CN 201911102096A CN 110822315 A CN110822315 A CN 110822315A
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- CN
- China
- Prior art keywords
- conductive
- conductive piece
- easy
- conductive member
- base portion
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- 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.)
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Classifications
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- 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
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- 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
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- 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
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- 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
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0277—Bendability or stretchability details
- H05K1/028—Bending or folding regions of flexible printed circuits
- H05K1/0281—Reinforcement details thereof
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- 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 relates to an anti-bending flexible lamp strip, which comprises: the flexible circuit board comprises a first conductive piece and a second conductive piece, the light-emitting chips are electrically connected with the first conductive piece and the second conductive piece respectively, and the first conductive piece and the second conductive piece are provided with first easy-folding portions adjacent to the light-emitting chips. Above-mentioned flexible lamp area of buckling resistance is through setting up first easy portion of rolling over on first electrically conductive piece and the second electrically conductive piece, and first easy portion of rolling over is located between two adjacent luminescence chips for when the flexible lamp area of buckling resistance receives the exogenic action, first easy portion of rolling over produces and buckles, luminescence chip can not buckle with the junction of first electrically conductive piece and the second electrically conductive piece, has guaranteed luminescence chip and first electrically conductive piece and the second electrically conductive piece electric connection's fastness, simple structure, therefore, the clothes hanger is strong in practicability.
Description
Technical Field
The invention relates to the technical field of lamp belts, in particular to an anti-bending flexible lamp belt.
Background
Various lighting sources are used for outlining buildings and bridges, and are also used for lightening projects such as park squares and advertising lighting, so that the flexible lamp strip is more and more widely applied. The lamp strip is characterized in that a special processing technology for the LED lamp is welded on a copper wire or a strip-shaped flexible circuit board, and then the lamp strip is connected with a power supply to emit light, and the lamp strip is named as a light strip when emitting light.
At present, lamp belts in the market are usually manufactured by mounting an LED (light emitting diode) light source patch on a flexible circuit board, the LED light source is rigidly connected with the flexible circuit board, the lamp belt can be bent or bent in the using process, if the bent part is located at the connection position of the LED light source and the flexible circuit board, the connection position of the LED light source and the flexible circuit board can be broken or cracked by stress, so that the lamp belt is damaged, and the use is influenced.
Disclosure of Invention
In view of the above, it is desirable to provide an anti-bending flexible light strip with good anti-bending effect.
A bend-resistant flexible light strip, comprising: the flexible circuit board comprises a first conductive piece and a second conductive piece, the light-emitting chips are electrically connected with the first conductive piece and the second conductive piece respectively, and the first conductive piece and the second conductive piece are provided with first easy-folding portions adjacent to the light-emitting chips.
Further, the first conductive piece comprises a first conductive base part and a plurality of first connecting parts arranged on the first conductive base part, and the first easy-to-fold part is arranged between two adjacent first connecting parts; the second conductive piece comprises a second conductive base part and a plurality of second connecting parts arranged on the second conductive base part, the first easy-to-fold part is arranged between two adjacent second connecting parts, and the light-emitting chip is electrically connected with the first connecting part and the second connecting parts.
Furthermore, the second conductive piece further comprises a second easily-folded portion arranged on the second conductive base portion, and the second easily-folded portion is located on one side, away from the first easily-folded portion, of the second connecting portion.
Further, the second easy-to-fold portion is in a V shape.
Further, the first conductive member further includes a first cut groove formed between the first conductive base and the first connection portion; the second conductive member further includes a second cut groove formed between the second conductive base portion and the second connection portion.
Further, the first connection portion includes a first connection base portion and first reinforcement portions provided at both sides of the first connection base portion, the second connection portion includes a second connection base portion and second reinforcement portions provided at both sides of the second connection base portion, the light emitting chip is electrically connected to the first connection base portion and the second connection base portion, the first reinforcement portion is connected to the first conductive base portion and forms the first cutout, and the second reinforcement portion is connected to the second conductive base portion and forms the second cutout.
Further, the flexible circuit board further comprises a reinforcing member, and the reinforcing member is adjacent to the first connecting portion, the second connecting portion and the light emitting chip.
Furthermore, the flexible circuit board further comprises a coating layer covering the first conductive piece and the second conductive piece, the coating layer is provided with a through hole, and the first connecting portion and the second connecting portion are partially exposed out of the through hole.
Further, the first easy-folding part is in an inwards concave arc shape.
Further, the flexible circuit board further comprises a third conductive piece and an isolation layer, the third conductive piece is connected with the first conductive piece and the second conductive piece through the isolation layer, a third connecting portion is arranged on the third conductive piece, and the third connecting portion is of a special-shaped hollow structure.
Above-mentioned flexible lamp area of buckling resistance is through setting up first easy portion of rolling over on first electrically conductive piece and the second electrically conductive piece, and first easy portion of rolling over is located between two adjacent luminescence chips for when the flexible lamp area of buckling resistance receives the exogenic action, first easy portion of rolling over produces and buckles, luminescence chip can not buckle with the junction of first electrically conductive piece and the second electrically conductive piece, has guaranteed luminescence chip and first electrically conductive piece and the second electrically conductive piece electric connection's fastness, simple structure, therefore, the clothes hanger is strong in practicability.
Drawings
Fig. 1 is a schematic structural diagram of an anti-bending flexible light strip according to an embodiment of the present invention.
Fig. 2 is an enlarged structural schematic diagram of the bending-resistant flexible light strip a according to an embodiment of the present invention.
Fig. 3 is a schematic structural view of the anti-bending flexible light strip shown in fig. 1 at another angle.
Detailed Description
The present invention will be described in detail below with reference to specific embodiments and the accompanying drawings.
Referring to fig. 1 and 2, a bending-resistant flexible light strip 100 according to an embodiment of the present invention is shown, including a flexible circuit board 10 and a plurality of light emitting chips 20, where the flexible circuit board 10 includes a first conductive member 11, a second conductive member 12, a bonding pad 13, a conductive connection portion 14, and a cover layer (not shown). Specifically, two first conductive members 11 are disposed at an interval from each other, a plurality of second conductive members 12 are disposed between the two first conductive members 11, and a bonding pad 13 for bonding a current limiting resistor or a constant current chip is disposed on the second conductive member 12. The conductive connection 14 is used to connect to other circuit structures, such as a power source, or to another flexible light strip 100 that is resistant to bending. A covering layer covers the first conductive member 11, the second conductive member 12 and the bonding pad 13, and the covering layer is provided with a through hole positioned in a region 15 shown in the figure. The plurality of light emitting chips 20 are electrically connected to the first conductive member 11 and the second conductive member 12, respectively, and the light emitting chips 20 are exposed from the through holes.
The first conductive member 11 has a first easy-folding portion 113, the second conductive member 12 has a first easy-folding portion 123, and the first easy-folding portions 113 and 123 are adjacent to the light emitting chip 20. The second conductive member 12 is further provided with a second easy-folding portion 124, and the second easy-folding portion 124 is also adjacent to the light emitting chip 20, i.e. the first easy-folding portions 113 and 123 and/or the second easy-folding portion 124 are provided beside the light emitting chip 20. Because the first easy-to-fold portions 113 and 123 and/or the second easy-to-fold portion 124 are disposed beside the light emitting chip 20, when the anti-bending flexible light strip 100 is bent under the action of an external force, the first easy-to-fold portions 113 and 123 and/or the second easy-to-fold portion 124 are bent, and the bent portion is not located at the connection portion between the light emitting chip 20 and the first conductive member 11 and the second conductive member 12. Optionally, the first conductive member 11 and the second conductive member 12 are both copper foils, and the light emitting chip 20 is an LED light emitting chip.
Further, the first conductive member 11 further includes a first conductive base 111 and a plurality of first connecting portions 112 disposed on the first conductive base 111, the first conductive base 111 is in a long strip shape, the conductive connecting portions 14 are disposed at two ends of the first conductive base 111, the first connecting portions 112 protrude from the first conductive base 111, and the first easy-to-fold portion 113 is disposed between two adjacent first connecting portions 112. The second conductive member 12 further includes second conductive bases (121, 125) and a plurality of second connecting portions 122 disposed on the second conductive bases (121, 125), the second conductive bases (121, 125) have two different structures, which are respectively a Z-shaped conductive base 121 and an L-shaped conductive base 125, two sets of second connecting portions 122 are disposed on the Z-shaped conductive base 121, each set of second connecting portions 122 includes two second connecting portions 122, the first easy-to-fold portion 123 is located between the two second connecting portions 122, the second easy-to-fold portion 124 is located on the other side of one of the second connecting portions 122 away from the first easy-to-fold portion 123, and the second easy-to-fold portion 124 is close to the other set of second connecting portions 122.
The L-shaped conductive base 125 includes a set of second connecting portions 122, the first easy-folding portion 123 is located between the two second connecting portions 122, and the bonding pad 13 is disposed at an end of the L-shaped conductive base 125. Each of the first connection portions 112 and each of the second connection portions 122 are disposed in one-to-one correspondence, and each of the light emitting chips 20 is electrically connected to the corresponding first connection portion 112 and second connection portion 122. By providing the second conductive base parts (121, 125) with different structures, it is convenient to arrange the second conductive members 12 according to the number of the light emitting chips 20 required to be arranged. Optionally, the first easy-folding portions 113 and 123 are both shaped like an inward concave arc, and the second easy-folding portion 124 is shaped like a V.
Further, the first conductive member 11 further includes a first cut groove 114, the first connection portion 112 includes a first connection base portion 1121 and first reinforcing portions 1122 provided at both sides of the first connection base portion 1121, the first reinforcing portions 1122 are L-shaped, both ends of each first reinforcing portion are connected to the first connection base portion 1121, and the first cut groove 114 is formed between the first conductive base portion 111 and the first reinforcing portion 1122 in a blanking manner. The second conductor 12 also includes a second slot 126, the second connecting portion 122 includes a second connecting base 1221 and second reinforcing portions 1222 disposed on both sides of the second connecting base 1221, the second connecting portion 122 is configured in accordance with the first connecting portion 112, the second slot 126 is formed between the second connecting base 121 and the second reinforcing portions 1222, and the first slot 114 and the second slot 126 are substantially V-shaped. The first and second cutting grooves 114 and 126 are provided to facilitate stress release of the light emitting chip 20 in the lateral direction, while increasing the bending strength and angle in the lateral direction.
Further, the flexible circuit board 10 further includes a stiffener 16, and the stiffener 16 is disposed adjacent to the first connection portion 112, the second connection portion 112, and the light emitting chip 20. Specifically, the two reinforcing members 16 are located at two sides of the light emitting chip 20 and located between the first reinforcing member 1122 and the second reinforcing member 1222, and the two first reinforcing members 1122, the second reinforcing member 1222 and the reinforcing members 16 surround the light emitting chip 20, so as to increase the structural strength around the light emitting chip 20, and avoid the stress influence on the electrical connection between the light emitting chip 20 and the first connection base portion 1121 and the second connection base portion 1221 when the bending-resistant flexible light strip 100 is bent.
Further, the flexible circuit board 10 further includes a third conductive member 17 and an isolation layer (not shown), the third conductive member 17 is connected to the first conductive member 11 and the second conductive member 12 through the isolation layer, that is, the flexible circuit board 10 is a double-layer circuit board, the third conductive member 17 is located on the back of the first conductive member 11 and the back of the second conductive member 12, and the size of the third conductive member 17 is not smaller than that of the light emitting chip 20, so as to reduce the stress applied to the light emitting chip 20 when the bending-resistant flexible light strip 100 is bent. The third conductive member 17 is a copper foil and has a third connecting portion 171, the third connecting portion 171 is a hollow structure with a special shape, such as a special-shaped hole, and the third connecting portion 171 has an irregular shape, so as to release the stress on the side surface of the light emitting chip 20 when the bending-resistant flexible light strip 100 is bent.
It can be seen that, the anti-bending flexible light strip 100 is provided with the first easy-to-fold portions (113, 123) on the first conductive piece 11 and the second conductive piece 12, and the first easy-to-fold portions (113, 123) are located between the two adjacent light emitting chips 20, so that when the anti-bending flexible light strip 100 is acted by an external force, the first easy-to-fold portions (113, 123) are bent, the connection positions of the light emitting chips 20 and the first conductive piece 11 and the second conductive piece 12 are not bent, the firmness of the electrical connection between the light emitting chips 20 and the first conductive piece 11 and the second conductive piece 12 is ensured, the structure is simple, and the practicability is strong.
It should be noted that the present invention is not limited to the above-mentioned embodiments, and other changes and modifications can be made by those skilled in the art according to the spirit of the present invention, and these changes and modifications made according to the spirit of the present invention should be included in the scope of the present invention as claimed.
Claims (10)
1. An anti flexible light strip that buckles, its characterized in that includes: the flexible circuit board comprises a first conductive piece and a second conductive piece, the light-emitting chips are electrically connected with the first conductive piece and the second conductive piece respectively, and the first conductive piece and the second conductive piece are provided with first easy-folding portions adjacent to the light-emitting chips.
2. The bending-resistant flexible light strip according to claim 1, wherein the first conductive member comprises a first conductive base portion and a plurality of first connection portions disposed on the first conductive base portion, and the first easy-to-fold portion is disposed between two adjacent first connection portions; the second conductive piece comprises a second conductive base part and a plurality of second connecting parts arranged on the second conductive base part, the first easy-to-fold part is arranged between two adjacent second connecting parts, and the light-emitting chip is electrically connected with the first connecting part and the second connecting parts.
3. The bending-resistant flexible light strip according to claim 2, wherein the second conductive member further comprises a second easy-folding portion disposed on the second conductive base portion, and the second easy-folding portion is located on a side of the second connecting portion away from the first easy-folding portion.
4. The bend-resistant flexible light strip of claim 3, wherein said second frangible portion is V-shaped.
5. The bend-resistant flexible light strip of claim 2, wherein said first electrically conductive member further comprises a first cut-out formed between said first electrically conductive base and said first connection portion; the second conductive member further includes a second cut groove formed between the second conductive base portion and the second connection portion.
6. The bend-resistant flexible light strip of claim 5, wherein the first connecting portion comprises a first connecting base portion and first reinforcing portions disposed on both sides of the first connecting base portion, the second connecting portion comprises a second connecting base portion and second reinforcing portions disposed on both sides of the second connecting base portion, the light emitting chip is electrically connected to the first connecting base portion and the second connecting base portion, the first reinforcing portions are connected to the first conductive base portion and form the first cutting grooves, and the second reinforcing portions are connected to the second conductive base portion and form the second cutting grooves.
7. The bend-resistant flexible light strip of claim 2, wherein said flexible circuit board further comprises a stiffener disposed adjacent to said first connection portion, said second connection portion, and said light emitting chip.
8. The bending-resistant flexible light strip according to claim 2, wherein the flexible circuit board further comprises a covering layer covering the first conductive member and the second conductive member, the covering layer being provided with a through hole, and the first connecting portion and the second connecting portion partially exposed from the through hole.
9. The anti-buckling flexible light strip according to claim 1, wherein said first pliable portion is in the shape of an inwardly concave arc.
10. The bending-resistant flexible light strip according to claim 1, wherein the flexible circuit board further comprises a third conductive member and an isolation layer, the third conductive member is connected to the first conductive member and the second conductive member through the isolation layer, the third conductive member is provided with a third connecting portion, and the third connecting portion is a hollow structure with a special shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911102096.1A CN110822315A (en) | 2019-11-12 | 2019-11-12 | Bending-resistant flexible lamp belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911102096.1A CN110822315A (en) | 2019-11-12 | 2019-11-12 | Bending-resistant flexible lamp belt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110822315A true CN110822315A (en) | 2020-02-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911102096.1A Pending CN110822315A (en) | 2019-11-12 | 2019-11-12 | Bending-resistant flexible lamp belt |
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| Country | Link |
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| CN (1) | CN110822315A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113236989A (en) * | 2021-05-11 | 2021-08-10 | 吴远 | Flexible patch lamp strip capable of improving heat dissipation effect |
-
2019
- 2019-11-12 CN CN201911102096.1A patent/CN110822315A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113236989A (en) * | 2021-05-11 | 2021-08-10 | 吴远 | Flexible patch lamp strip capable of improving heat dissipation effect |
| CN113236989B (en) * | 2021-05-11 | 2023-06-13 | 深圳迪亚士照明科技有限公司 | Flexible patch lamp strip capable of improving heat dissipation effect |
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Address after: Room 201-210, 2nd floor, Zone C, building 3, Huiye Science Park, sightseeing Road, Tangjia community, Fenghuang street, Guangming District, Shenzhen City, Guangdong Province Applicant after: SHENZHEN EVERLUSTER LIGHTING Co.,Ltd. Address before: 518000 Room 302, Block B, Huifu Building, Tongfu Industrial Zone, Aiqun Road, Shiyan Street, Baoan District, Shenzhen City, Guangdong Province Applicant before: SHENZHEN EVERLUSTER LIGHTING Co.,Ltd. |