CN110822315B - Bending-resistant flexible lamp strip - Google Patents
Bending-resistant flexible lamp strip Download PDFInfo
- Publication number
- CN110822315B CN110822315B CN201911102096.1A CN201911102096A CN110822315B CN 110822315 B CN110822315 B CN 110822315B CN 201911102096 A CN201911102096 A CN 201911102096A CN 110822315 B CN110822315 B CN 110822315B
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- Prior art keywords
- conductive
- base part
- light
- folded
- parts
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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
-
- 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
-
- 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]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Led Device Packages (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
The invention relates to an anti-bending flexible lamp strip, comprising: the flexible circuit board comprises a first conductive piece and a second conductive piece, and the light-emitting chips are respectively electrically connected with the first conductive piece and the second conductive piece, wherein the first conductive piece and the second conductive piece are respectively provided with a first easily-folded part, and the first easily-folded part is adjacent to the light-emitting chips. The flexible lamp strip is provided with the first easily-folded part on the first conductive part and the second conductive part, and the first easily-folded part is positioned between the two adjacent light-emitting chips, so that when the flexible lamp strip is subjected to external force, the first easily-folded part is folded, the connection part between the light-emitting chips and the first conductive part and the second conductive part can not be folded, the firmness of the electric connection between the light-emitting chips and the first conductive part and the second conductive part is ensured, and the flexible lamp strip is simple in structure and 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 illumination light sources are used for outlining buildings and bridges, and are also used for park squares, advertisement illumination and other illumination projects, so that the flexible light strip is increasingly widely applied. The lamp strip is obtained by welding an LED lamp on a copper wire or a strip-shaped flexible circuit board by a special processing technology, and connecting a power supply to emit light, wherein the shape of the lamp strip is like a strip of light when the lamp strip emits light.
At present, a light strip on the market is usually made by attaching an LED (light emitting diode) light source patch to a flexible circuit board, the connection between the LED light source and the flexible circuit board is rigid connection, the light strip can be bent or folded in the use process, and if the folded part is positioned at the connection part of the LED light source and the flexible circuit board, the connection part of the LED light source and the flexible circuit board can be broken or split due to stress, so that the light strip is damaged, and the use is affected.
Disclosure of Invention
In view of the foregoing, it is desirable to provide a flexible light strip that resists bending with good bending resistance.
A buckle-resistant flexible light strip comprising: the flexible circuit board comprises a first conductive piece and a second conductive piece, and the light-emitting chips are respectively electrically connected with the first conductive piece and the second conductive piece, wherein the first conductive piece and the second conductive piece are respectively provided with a first easily-folded part, and the first easily-folded part is 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 easily-folded parts are 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 foldable part is arranged between two adjacent second connecting parts, and the light emitting chip is electrically connected with the first connecting parts and the second connecting parts.
Further, the second conductive member further includes a second frangible portion disposed on the second conductive base, where the second frangible portion is located at a side of the second connecting portion away from the first frangible portion.
Further, the second frangible portion is V-shaped.
Further, the first conductive piece further includes a first slot formed between the first conductive base and the first connection portion; the second conductive piece further includes a second slot formed between the second conductive base and the second connection portion.
Further, the first connection portion includes a first connection base and first reinforcement portions disposed on two sides of the first connection base, the second connection portion includes a second connection base and second reinforcement portions disposed on two sides of the second connection base, the light emitting chip is electrically connected with the first connection base and the second connection base, the first reinforcement portions are connected with the first conductive base and form the first notch, and the second reinforcement portions are connected with the second conductive base and form the second notch.
Further, the flexible circuit board further comprises a reinforcing member, and the reinforcing member is arranged adjacent to the first connecting portion, the second connecting portion and the light emitting chip.
Further, the flexible circuit board further comprises a coating layer covering the first conductive member and the second conductive member, the coating layer is provided with a through hole, and the first connection portion and the second connection portion are partially exposed from the through hole.
Further, the first frangible portion is in a 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, the third conductive piece is provided with a third connecting portion, and the third connecting portion is of a special-shaped hollow structure.
The flexible lamp strip is provided with the first easily-folded part on the first conductive part and the second conductive part, and the first easily-folded part is positioned between the two adjacent light-emitting chips, so that when the flexible lamp strip is subjected to external force, the first easily-folded part is folded, the connection part between the light-emitting chips and the first conductive part and the second conductive part can not be folded, the firmness of the electric connection between the light-emitting chips and the first conductive part and the second conductive part is ensured, and the flexible lamp strip is simple in structure and strong in practicability.
Drawings
Fig. 1 is a schematic structural view of a bending-resistant flexible light strip according to an embodiment of the present invention.
Fig. 2 is an enlarged view of the flexible light strip a according to an embodiment of the present invention.
FIG. 3 is a schematic view of the bending-resistant flexible light strip of FIG. 1 at another angle.
Detailed Description
The present invention will be described in detail with reference to specific embodiments and drawings.
Referring to fig. 1 and 2, an anti-bending flexible light strip 100 according to an embodiment of the invention includes a flexible circuit board 10 and a plurality of light emitting chips 20, wherein 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, the two first conductive members 11 are disposed at intervals, the plurality of second conductive members 12 are disposed between the two first conductive members 11, and the bonding pad 13 is disposed on the second conductive members 12 for soldering a current limiting resistor or a constant current chip. The conductive connection 14 is used to connect with other circuit structures, such as a power supply, or with another flex-resistant flexible light strip 100. The cover layer covers the first conductive member 11, the second conductive member 12 and the pad 13, and is provided with a through hole, the position of which is shown as a region 15 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 is provided with a first frangible portion 113, the second conductive member 12 is provided with a first frangible portion 123, and the first frangible portions 113 and 123 are adjacent to the light emitting chip 20. The second conductive element 12 is further provided with a second frangible portion 124, and the second frangible portion 124 is also adjacent to the light emitting chip 20, i.e. the first frangible portions 113, 123 and/or the second frangible portion 124 are provided beside the light emitting chip 20. Since the first pliable portions 113, 123 and/or the second pliable portion 124 are disposed beside the light emitting chip 20, when the bending-resistant flexible light strip 100 is bent under the action of external force, the first pliable portions 113, 123 and/or the second pliable portion 124 are bent, and the bending position is not at the connection position of 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 copper foils, and the light emitting chip 20 is an LED light emitting chip.
Further, the first conductive element 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 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 frangible portion 113 is disposed between two adjacent first connecting portions 112. The second conductive member 12 further includes a second conductive base (121, 125) and a plurality of second connection portions 122 disposed on the second conductive base (121, 125), the second conductive base (121, 125) has two different structures, namely a Z-type conductive base 121 and an L-type conductive base 125, two sets of second connection portions 122 are disposed on the Z-type conductive base 121, each set of second connection portions 122 includes two second connection portions 122, the first frangible portion 123 is disposed between the two second connection portions 122, the second frangible portion 124 is disposed on the other side of one of the second connection portions 122 away from the first frangible portion 123, and the second frangible portion 124 is close to the other set of second connection portions 122.
The L-shaped conductive base 125 includes a set of second connection portions 122, the first frangible portion 123 is located between the two second connection portions 122, and the pad 13 is disposed at an end of the L-shaped conductive base 125. Each first connection part 112 and each second connection part 122 are disposed in one-to-one correspondence, and each light emitting chip 20 is electrically connected to the corresponding first connection part 112 and second connection part 122. By providing the second conductive base portions (121, 125) in different structures, the arrangement of the second conductive members 12 according to the number of the light emitting chips 20 to be provided is facilitated. Alternatively, the first pliable portions 113 and 123 are each in a concave arc shape, and the second pliable portion 124 is in a V shape.
Further, the first conductive element 11 further includes a first slot 114, the first connecting portion 112 includes a first connecting base 1121 and first reinforcing portions 1122 provided on both sides of the first connecting base 1121, the first reinforcing portions 1122 are L-shaped, both ends of which are connected to the first connecting base 1121, and the first slot 114 is formed between the first conductive base 111 and the first reinforcing portions 1122 by blanking. The second conductive member 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 two sides of the second connecting base 1221, the second connecting portion 122 has a structure identical to that of the first connecting portion 112, the second slot 126 is formed between the second conductive base 121 and the second reinforcing portions 1222, and the first slot 114 and the second slot 126 are each substantially V-shaped. The provision of the first and second slits 114 and 126 facilitates stress relief of the light emitting chip 20 in the lateral direction while increasing the strength and angle of lateral bending.
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 between the first reinforcing portion 1122 and the second reinforcing portion 1222, and the two first reinforcing portion 1122, the second reinforcing portion 1222 and the reinforcing member 16 surround the light emitting chip 20, so as to increase the structural strength around the light emitting chip 20, and avoid the stress affecting the electrical connection between the light emitting chip 20 and the first connecting base 1121 and the second connecting base 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 with 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 sides of the first conductive member 11 and the second conductive member 12, and the size of the third conductive member 17 is not smaller than the size of the light emitting chip 20, so as to reduce the stress of 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 is provided with a third connection portion 171, the third connection portion 171 is a hollow structure with a different shape, such as a special-shaped hole, and the shape of the third connection portion 171 is an irregular shape, so as to release the stress of 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 above-mentioned flexible light strip 100 is through setting up first easy portion (113, 123) on first electrically conductive piece 11 and second electrically conductive piece 12, and first easy portion (113, 123) are located between two adjacent light emitting chips 20, make when flexible light strip 100 of buckling is acted on by external force to the anti bending, first easy portion (113, 123) produce to buckle, the junction of light emitting chip 20 and first electrically conductive piece 11 and second electrically conductive piece 12 can not buckle, the fastness of light emitting chip 20 and first electrically conductive piece 11 and second electrically conductive piece 12 electric connection has been guaranteed, and a structure is simple, and the practicality is strong.
It should be noted that the present invention is not limited to the above embodiments, and those skilled in the art can make other changes according to the inventive spirit of the present invention, and these changes according to the inventive spirit of the present invention should be included in the scope of the present invention as claimed.
Claims (6)
1. A flexible, kink-resistant light strip comprising: the flexible circuit board comprises a first conductive piece and a second conductive piece, and the plurality of light-emitting chips are respectively and electrically connected with the first conductive piece and the second conductive piece, wherein the first conductive piece and the second conductive piece are respectively provided with a first easily-folded part, the first easily-folded part is adjacent to the light-emitting chips, 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 easily-folded part is arranged between the 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 easily-folded parts are arranged between two adjacent second connecting parts, the light-emitting chip is electrically connected with the first connecting parts and the second connecting parts, the second conductive piece also comprises second easily-folded parts arranged on the second conductive base part, the second easily-folded parts are positioned on one side, far away from the first easily-folded parts, of the second connecting parts, and the first conductive piece also comprises first cutting grooves formed between the first conductive base part and the first connecting parts; the second conductive piece further comprises a second cutting groove, the second cutting groove is formed between the second conductive base part and the second connecting part, the first connecting part comprises a first connecting base part and first reinforcing parts arranged on two sides of the first connecting base part, the second connecting part comprises a second connecting base part and second reinforcing parts arranged on two sides of the second connecting base part, the light emitting chip is electrically connected with the first connecting base part and the second connecting base part, the first reinforcing parts are connected with the first conductive base part and form the first cutting groove, and the second reinforcing parts are connected with the second conductive base part and form the second cutting groove.
2. The buckle resistant flexible light strip of claim 1 wherein the second frangible portion is V-shaped.
3. The bending-resistant flexible light strip of claim 1, wherein the flexible circuit board further comprises a stiffener disposed adjacent to the first connection portion, the second connection portion, and the light emitting chip.
4. The bending-resistant flexible light strip of claim 1, wherein the flexible circuit board further comprises a cover layer covering the first and second conductive members, the cover layer having a through hole from which the first and second connection portions are exposed.
5. The buckle-resistant flexible light strip of claim 1 wherein the first frangible portion is in the shape of a concave arc.
6. The bending-resistant flexible lamp 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 with 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 of a special-shaped hollow structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911102096.1A CN110822315B (en) | 2019-11-12 | 2019-11-12 | Bending-resistant flexible lamp strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911102096.1A CN110822315B (en) | 2019-11-12 | 2019-11-12 | Bending-resistant flexible lamp strip |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110822315A CN110822315A (en) | 2020-02-21 |
| CN110822315B true CN110822315B (en) | 2024-10-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911102096.1A Active CN110822315B (en) | 2019-11-12 | 2019-11-12 | Bending-resistant flexible lamp strip |
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| CN (1) | CN110822315B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210800798U (en) * | 2019-11-12 | 2020-06-19 | 深圳市宇辰星光电有限公司 | Bending-resistant flexible lamp belt |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202189349U (en) * | 2011-07-29 | 2012-04-11 | 比亚迪股份有限公司 | Capacitive touch device |
| JP5512744B2 (en) * | 2011-10-31 | 2014-06-04 | エイテックス株式会社 | Circuit board for LED mounting, strip-shaped flexible LED light, and LED lighting device using the same |
| KR102422107B1 (en) * | 2015-04-29 | 2022-07-18 | 삼성디스플레이 주식회사 | Conductive connecting members and display device comprising thereof |
| CN109945096B (en) * | 2019-04-24 | 2024-08-13 | 深圳市欣上科技有限公司 | High-reliability lamp strip using LED flip chip and light-emitting device |
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2019
- 2019-11-12 CN CN201911102096.1A patent/CN110822315B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210800798U (en) * | 2019-11-12 | 2020-06-19 | 深圳市宇辰星光电有限公司 | Bending-resistant flexible lamp belt |
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| Publication number | Publication date |
|---|---|
| CN110822315A (en) | 2020-02-21 |
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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. |
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Effective date of registration: 20240902 Address after: 518000 Yuefu Square 1B1005, No. 481 Guangming Avenue, Dongkeng Community, Fenghuang Street, Guangming District, Shenzhen, Guangdong Province Applicant after: Shenzhen Lihong optoelectronics Co.,Ltd. Country or region after: China Address before: No. 201-210, 2nd floor, area C, building 3, Huiye science and Technology Park, sightseeing Road, Tangjia community, Fenghuang street, Guangming District, Shenzhen, Guangdong 518000 Applicant before: SHENZHEN EVERLUSTER LIGHTING Co.,Ltd. Country or region before: China |
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