CN209926075U - Flexible lamp strip substrate and flexible lamp strip - Google Patents
Flexible lamp strip substrate and flexible lamp strip Download PDFInfo
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- CN209926075U CN209926075U CN201921137362.XU CN201921137362U CN209926075U CN 209926075 U CN209926075 U CN 209926075U CN 201921137362 U CN201921137362 U CN 201921137362U CN 209926075 U CN209926075 U CN 209926075U
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Abstract
The utility model provides a flexible lamp area base plate and flexible lamp area, flexible lamp area base plate includes: the circuit board comprises a first flexible insulating film and a first circuit layer which are arranged in a stacked mode, wherein the first circuit layer comprises a first positive electrode and a first negative electrode which are located on two sides of the first flexible insulating film respectively; the first positive electrode comprises a plurality of first positive electrode circuits which are electrically connected, and a plurality of first spacing regions are arranged among the first positive electrode circuits; the first negative electrode comprises a plurality of first negative electrode circuits which are electrically connected, and a plurality of second spacing zones are arranged between the first negative electrode circuits. The utility model discloses a flexible lamp area base plate when being used for preparing flexible lamp area, can effectively reduce the probability that electroluminescent element and other electronic components that flexible lamp area received the distortion to lead to are impaired or the desolder, improved the reliability in flexible lamp area. The utility model discloses a flexible lamp area has better resistant distortion characteristic, and the overall reliability is higher.
Description
Technical Field
The utility model relates to a flexible lamp area field especially relates to a flexible lamp area base plate and flexible lamp area.
Background
The LED strip has the advantages of long service life, energy saving and environmental protection, and is applied more and more widely in the decorative lighting market, and the current Flexible LED strip is generally composed of an LED element and a Flexible Circuit board (FPC for short). The existing flexible LED lamp strip is difficult to avoid being distorted in the use process, and an LED element and other electronic components (such as a resistor and the like) on a substrate are easy to be damaged or desoldered from fixed solder paste due to the distortion force.
The structure of current flexible LED lamp area is usually: the both sides of flexible substrate are equipped with positive pole and negative pole respectively, be equipped with LED component and other electronic components (for example resistance etc.) between positive pole and the negative pole, positive pole and negative pole are monoblock electrode, positive pole and negative pole are connected with LED flip chip and other electronic components respectively through electrically conductive tin cream or other electrically conductive glue, when flexible LED lamp area receives the distortion, the distortion power can be conducted to the both ends of LED component and other electronic components through positive pole and negative pole, when the distortion power is big to a certain extent, can make LED component and other electronic components impaired or directly peel off from the flexible substrate, lead to flexible LED lamp area inefficacy.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a flexible lamp area base plate for preparation flexible lamp area can effectively reduce the probability that electroluminescent element and other electronic components that the distortion leads to received impaired or the desolder in flexible lamp area, improves the reliability in flexible lamp area.
A second object of the present invention is to provide a flexible light strip, wherein the probability of the damage or the desoldering of the electroluminescent element and other electronic components is lower when the flexible light strip is distorted, and the overall reliability is higher.
The utility model provides a following technical scheme:
a flexible light strip substrate comprising: the circuit board comprises a first flexible insulating film and a first circuit layer which are arranged in a stacked mode, wherein the first circuit layer comprises a first positive electrode and a first negative electrode which are located on two sides of the first flexible insulating film respectively;
the first positive electrode comprises a plurality of first positive electrode circuits which are electrically connected, and a plurality of first spacing regions are arranged among the first positive electrode circuits;
the first negative electrode comprises a plurality of first negative electrode circuits which are electrically connected, and a plurality of second spacing zones are arranged between the first negative electrode circuits.
In some embodiments of the present invention, a first connecting point is disposed in each first spacer region, and the first connecting point is electrically connected to two first positive lines located at two sides of the first spacer region;
and a second connecting point is arranged in each second interval region and is electrically connected with two second positive lines positioned at two sides of the second interval region.
In some embodiments of the present invention, one side end portion or both side end portions of the first positive/negative electrode lines are electrically connected through a wire.
In some embodiments of the present invention, one of the two adjacent first positive/negative electrode lines is bent at one or more positions toward the other first positive/negative electrode line, and both are connected at a bent region thereof; or, two adjacent first positive/negative electrode lines are bent toward each other at one or more positions at the same time and the bent regions of the two lines are connected.
In some embodiments of the present invention, the first circuit layer further includes a plurality of circuit connection regions disposed between the first positive electrode and the first negative electrode and spaced apart from each other.
In some embodiments of the present invention, the flexible light strip substrate further includes a second circuit layer disposed on a side of the first flexible insulating film away from the first circuit layer, the second circuit layer includes a second positive electrode and a second negative electrode respectively disposed on two sides of the first flexible insulating film;
a first through hole and a second through hole are formed in the first flexible insulating film, the first positive electrode is communicated with the second positive electrode through the first through hole, and the first negative electrode is communicated with the second negative electrode through the second through hole;
the second positive electrode comprises a plurality of second positive electrode circuits which are electrically connected, and a plurality of third spacing zones are arranged among the plurality of second positive electrode circuits;
the second negative electrode comprises a plurality of second negative electrode circuits which are electrically connected, and a plurality of fourth spacing regions are arranged among the plurality of second negative electrode circuits;
the second positive electrode circuit and the second negative electrode circuit respectively correspond to the first positive electrode circuit and the first negative electrode circuit;
the third spacing region and the fourth spacing region respectively correspond to the first spacing region and the second spacing region.
In some embodiments of the present invention, the flexible light strip substrate further includes a laminated unit disposed on a side of the first flexible insulating film away from the first circuit layer, the laminated unit includes a plurality of third circuit layers and a plurality of second flexible insulating films alternately disposed, and a structure layer attached to the first flexible insulating film in the laminated unit is the third circuit layer;
when any one of the plurality of third circuit layers is provided with a circuit corresponding to the first positive electrode and/or the first negative electrode, the circuit is provided with a spacing area corresponding to the first spacing area and/or the second spacing area.
A flexible light strip, comprising the flexible light strip substrate as described above, further comprising electroluminescent elements electrically connected to the first anode and the first cathode, respectively.
In some embodiments of the present invention, the electroluminescent element is an LED element.
In some embodiments of the present invention, the LED element is an LED flip chip.
The embodiment of the utility model has the following advantage:
the utility model provides a flexible lamp area base plate and flexible lamp area, through reforming transform several circuits for electric connection respectively with anodal and negative pole, and set up several spacers between several circuits, when flexible lamp area finished product received the distortion, the spacer can be preferred the atress distortion, reduce the atress that is located electroluminescent element in the middle of the flexible lamp area and other electronic components, can effectively reduce the impaired or probability of desoldering of electroluminescent element and other electronic components, the off-the-shelf reliability in flexible lamp area has been improved.
In order to make the aforementioned and other objects, features and advantages of the present invention more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1A is a schematic view of a cross-sectional structure of a flexible lamp strip substrate provided in embodiment 1 of the present invention;
fig. 1B is a schematic structural diagram of a first circuit layer of a flexible lamp strip substrate provided in embodiment 1 of the present invention;
fig. 2 is an enlarged schematic view of a local area of a first positive/negative electrode of the flexible light strip substrate provided in embodiment 2 of the present invention;
fig. 3 is an enlarged schematic view of a local area of a first positive/negative electrode of the flexible light strip substrate provided in embodiment 3 of the present invention;
fig. 4 is an enlarged schematic view of a local area of a first positive/negative electrode of the flexible light strip substrate provided in embodiment 4 of the present invention;
fig. 5A is a schematic view of a cross-sectional structure of a flexible lamp strip substrate provided in embodiment 5 of the present invention;
fig. 5B is a schematic structural diagram of a first circuit layer of the flexible lamp strip substrate provided in embodiment 5 of the present invention;
fig. 5C is a schematic structural diagram of a second circuit layer of the flexible lamp strip substrate provided in embodiment 5 of the present invention;
fig. 6 is a schematic view of a cross-sectional structure of a flexible light strip substrate provided in embodiment 6 of the present invention;
fig. 7 is a schematic structural view of a flexible light strip provided in embodiment 7 of the present invention;
fig. 8 is an electrical connection relationship diagram of components and parts in the flexible light strip that embodiment 7 provides.
Icon: 10. a first flexible insulating film; 20. a first circuit layer; 21. a first positive electrode; 211. a first positive electrode line; 212. a first spacer region; 213. a first connection point; 22. a first negative electrode; 221. a first negative electrode line; 222. a second spacer region; 223. a second connection point; 23. a line connection area; 30. a wire; 80. a bending region; 40. a second circuit layer; 41. a second positive electrode; 411. a second positive electrode line; 412. a third spaced-apart region; 413. a third connection point; 42. a second negative electrode; 421. a second negative electrode line; 422. a fourth spacer region; 423. a fourth connection point; 11. a first through hole; 12. a second through hole; 50. a lamination unit; 51. a third circuit layer; 52. a second flexible insulating film; 61. LED flip chip; 62. a resistance; 70. and a second hollow pattern.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection or electrical connection; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the templates herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
In the present application, the plurality represents at least one, and may be one, or two or more; the plurality means two or more.
Example 1
Referring to fig. 1A and 1B, in embodiment 1, a flexible light strip substrate is provided, where the flexible light strip substrate described in embodiment 1 is a single-sided circuit board, and the flexible light strip substrate includes: the circuit board comprises a first flexible insulating film 10 and a first circuit layer 20 which are stacked, wherein the first circuit layer 20 comprises a first positive electrode 21 and a first negative electrode 22 which are respectively positioned at two sides of the first flexible insulating film 10.
The first positive electrode 21 includes a plurality of first positive electrode lines 211 electrically connected to each other, and a plurality of first spacers 212 are disposed between the plurality of first positive electrode lines 211.
The first negative electrode 22 includes a plurality of first negative electrode lines 221 electrically connected to each other, and a plurality of second spacing regions 222 are disposed between the plurality of first negative electrode lines 221.
Each first spacer region 212 is provided with a first connection point 213 therein, and the first connection point 213 is electrically connected to the two first positive electrode lines 211 at two sides thereof. The number of the first connection points 213 is at least one, i.e., one or more (two or more).
Each second partition 222 has a second connection point 223 therein, and the second connection point 223 is electrically connected to two second positive lines 411 located at two sides of the second connection point 223. The number of the second connection points 223 is at least one, i.e., one or more (two or more).
When the flexible light strip substrate of this embodiment 1 is used for manufacturing a flexible light strip, the electroluminescent element (for example, the LED flip chip 61) is electrically connected to the first positive electrode 21 and the first negative electrode 22 in the first circuit layer 20, respectively.
Specifically, the first circuit layer 20 further includes a plurality of circuit connection regions 23 disposed between the first positive electrode 21 and the first negative electrode 22 at intervals, and the plurality of circuit connection regions 23 are used for implementing series-parallel connection of a plurality of electroluminescent elements (e.g., LED flip-chip 61) and other electronic components (e.g., resistor 62) (see fig. 7).
This embodiment 1 is through all reforming transform first positive pole 21 and first negative pole 22 into electric connection's several strip circuit to set up several spacers between several strip circuit, when flexible lamp area finished product received the distortion, the spacer can be preferred the atress distortion, reduces the atress that is located electroluminescent element and other electronic components in the middle of the flexible lamp area, can effectively reduce the probability that electroluminescent element and other electronic components are impaired or the desolder, has improved the finished reliability of flexible lamp area.
Specifically, the first flexible insulating film 10 may be a polyimide film (PI) or a polyester film, and the material of the wiring layer is a metal, such as copper.
Obviously, there are various methods for ensuring that the plurality of first positive electrode lines 211 are electrically connected and the plurality of first spacing regions 212 are disposed between the plurality of first positive electrode lines 211, the plurality of first negative electrode lines 221 are electrically connected and the plurality of second spacing regions 222 are disposed between the plurality of first negative electrode lines 221, except for the manner of disposing the first connection points 213 in the first spacing regions 212 and the manner of disposing the second connection points 223 in the second spacing regions 222 as described in embodiment 1, there are other manners, specifically refer to embodiment 2, embodiment 3, and embodiment 4.
Example 2
Referring to fig. 2, the embodiment 2 provides a flexible light strip substrate, which is different from the embodiment 1 in that one side end portion or two side end portions of the first positive/negative electrode wires 211/221 are electrically connected through a wire 30.
Example 3
Referring to fig. 3, the embodiment 3 provides a flexible light strip substrate, which is different from the embodiment 1 in that one of the first positive/negative lines 211/221 is bent at one or more positions toward the other first positive/negative line 211/221 and connected to the other first positive/negative line at the bent region 80.
Example 4
Referring to fig. 4, the embodiment 4 provides a flexible light strip substrate, compared with the embodiment 1, the difference is that two adjacent first positive/negative electrode wires 211/221 are bent towards each other at one or more positions at the same time and the two bent areas 80 are connected.
Example 5
Referring to fig. 5A to 5C, embodiment 5 provides a flexible light strip substrate, which is a double-sided circuit board, and compared with embodiment 1, the difference is that the flexible light strip substrate further includes a second circuit layer 40 disposed on a side of the first flexible insulating film 10 away from the first circuit layer 20, and the second circuit layer 40 includes a second positive electrode 41 and a second negative electrode 42 respectively disposed on two sides of the first flexible insulating film 10;
a first through hole 11 and a second through hole 12 are formed in the first flexible insulating film 10, the first positive electrode 21 and the second positive electrode 41 are communicated through the first through hole 11, and the first negative electrode 22 and the second negative electrode 42 are communicated through the second through hole 12;
the second positive electrode 41 includes a plurality of second positive electrode lines 411 electrically connected to each other, and a plurality of third spacing regions 412 are disposed between the plurality of second positive electrode lines 411;
the second negative electrode 42 includes a plurality of second negative electrode lines 421 electrically connected, and a plurality of fourth spacers 422 are disposed between the plurality of second negative electrode lines 421;
the second positive electrode line 411 and the second negative electrode line 421 correspond to the first positive electrode line 211 and the first negative electrode line 221, respectively;
the third and fourth spacing regions 412 and 422 correspond to the first and second spacing regions 212 and 222, respectively.
Optionally, each third partition 412 is provided with a third connection point 413, and the third connection point 413 is electrically connected to two second positive electrode lines 411 located at two sides of the third connection point 413. The number of the third connection points 413 is at least one, i.e., one or more (two or more).
Each fourth spacer 422 is provided with a fourth connection point 423, and the fourth connection point 423 is electrically connected to the two second negative electrode lines 421 at two sides thereof. The number of the fourth connection points 423 is at least one, i.e., one or more (two or more).
In this embodiment 5, the first circuit layer 20 is a front circuit, the first positive electrode 21 and the first negative electrode 22 are a front positive electrode and a front negative electrode, the second circuit layer 40 is a back circuit, the second positive electrode 41 and the second negative electrode 42 are a back positive electrode and a back negative electrode, the soldering positions of the electroluminescent element (for example, the LED flip chip 61) and other electronic components (for example, the resistor 62) are located on the first circuit layer 20, and the second positive electrode 41 and the second negative electrode 42 are electrically connected to the first positive electrode 21 and the second negative electrode 42, respectively, so as to realize the functions of shunting, limiting voltage, and enhancing heat dissipation.
This embodiment 5 sets up corresponding bar spacer in the positive circuit in the double-sided circuit board and the reverse side circuit, after electroluminescent element and other electronic components of double-sided circuit board surface welding, the flexible lamp area that makes has better resistant distortion characteristic, when the flexible lamp area receives the distortion, bar spacer can be preferred to receive the force distortion, reduce the electroluminescent element and the atress of other electronic components that are located in the middle of the flexible lamp area, can effectively reduce the probability that electroluminescent element and other electronic components are impaired or the desolder, the finished reliability of flexible lamp area has been improved.
Example 6
Referring to fig. 6, embodiment 6 provides a flexible light strip substrate, which is a multi-sided circuit board, and compared with embodiment 1, the flexible light strip substrate is characterized in that the flexible light strip substrate further includes a lamination unit 50 disposed on a side of the first flexible insulating film 10 away from the first circuit layer 20, the lamination unit 50 includes a plurality of third circuit layers 51 and a plurality of second flexible insulating films 52 alternately disposed, and a structural layer attached to the first flexible insulating film 10 in the lamination unit 50 is the third circuit layer 51;
when a line corresponding to the first positive electrode 21 and/or the first negative electrode 22 is provided in any one of the plurality of third circuit layers 51, a space region corresponding to the first space region 212 and/or the second space region 222 is provided in the line.
In example 6, the number of the third wiring layers 51 is at least two, the number of the second flexible insulating films 52 is at least one, the number of the second flexible insulating films 52 is equal to the number of the third wiring layers 51 (the outermost side is the second flexible insulating films 52), or the number of the second flexible insulating films 52 is one less than the number of the third wiring layers 51 (the outermost side is the third wiring layers 51).
This embodiment 6 is through designing corresponding bar spacer in a plurality of circuit layers of multiaspect circuit board, behind polyhedral circuit board surface welding electroluminescent element and other electronic components, the flexible lamp area that makes has better resistant distortion characteristic, when the flexible lamp area receives the distortion, bar spacer can be preferred to receive the force distortion, reduce the electroluminescent element that is located the middle of the flexible lamp area and the atress of other electronic components, can effectively reduce the probability that electroluminescent element and other electronic components are impaired or the desolder, the finished reliability of flexible lamp area has been improved.
Example 7
Referring to fig. 7 and 8, embodiment 7 provides a flexible light strip, which includes the flexible light strip substrate (double-sided circuit board) according to embodiment 5, and further includes electroluminescent devices electrically connected to the first positive electrode 21 and the first negative electrode 22, respectively.
Optionally, the flexible light strip further includes other electronic components electrically connected to the first positive electrode 21 and the first negative electrode 22, respectively, where the other electronic components include a resistor 62.
Specifically, the electroluminescent element may be an LED element, such as an LED lamp bead or an LED flip chip 61.
In example 7, the LED element is an LED flip chip 61.
As shown in fig. 7 and 8, the electroluminescent devices are arranged in several groups, and two ends of each group of electroluminescent devices are respectively connected to the first positive electrode 21 and the first negative electrode 22, that is, the electroluminescent devices are connected in parallel, and in each group of electroluminescent devices, a plurality of electroluminescent devices may be connected in parallel or in series without limitation.
The vertical dashed lines shown in fig. 1B, 5B, 7 serve to illustrate the boundaries of two adjacent groups of electroluminescent elements.
In the embodiments shown in fig. 7 and 8, a plurality of electroluminescent elements are connected in series in each group of electroluminescent elements.
The flexible light strip further comprises an insulating protection layer (not shown) covering the surface of the flexible light strip substrate, wherein a first hollowed-out pattern and a second hollowed-out pattern 70 are arranged on the insulating protection layer, the first hollowed-out pattern is used for forming a welding area of the electroluminescent element, and the second hollowed-out pattern 70 is used for forming a wiring area of the first anode 21 and the first cathode 22.
Specifically, the insulating protective layer can be made of plastic, and the color of the insulating protective layer is set according to customer requirements, for example, the color can be set to be white, so that the light reflection effect of the insulating protective layer is enhanced, and the light utilization rate is improved.
Because the hardness of the circuit layer (metal material) is greater than the hardness of the flexible insulating film and the insulating protective layer, the spacer region between the positive/negative electrode circuits is the weakest region on the flexible lamp strip, when the flexible lamp strip is twisted, the spacer region is preferentially stressed and bent, which is equivalent to reducing the twisting force transmitted to the electronic component (such as the LED flip chip 61 or the resistor 62), thereby effectively reducing the probability of damage or unsoldering of the electronic component (such as the LED flip chip 61 or the resistor 62) and improving the overall reliability of the flexible lamp strip.
In all examples shown and described herein, any particular value should be construed as merely exemplary, and not as a limitation, and thus other examples of example embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
The above-described embodiments are merely illustrative of several embodiments of the present invention, which are described in detail and specific, but not intended to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (10)
1. A flexible light strip substrate, comprising: the circuit board comprises a first flexible insulating film and a first circuit layer which are arranged in a stacked mode, wherein the first circuit layer comprises a first positive electrode and a first negative electrode which are located on two sides of the first flexible insulating film respectively;
the first positive electrode comprises a plurality of first positive electrode circuits which are electrically connected, and a plurality of first spacing regions are arranged among the first positive electrode circuits;
the first negative electrode comprises a plurality of first negative electrode circuits which are electrically connected, and a plurality of second spacing zones are arranged between the first negative electrode circuits.
2. The flexible light strip substrate of claim 1, wherein a first connecting point is disposed in each first spacer region, and the first connecting point is electrically connected to two first positive electrode lines disposed at two sides of the first connecting point;
and a second connecting point is arranged in each second interval region and is electrically connected with two second positive lines positioned at two sides of the second interval region.
3. The flexible light strip substrate of claim 1, wherein one or both ends of the first positive/negative lines are electrically connected by a wire.
4. The flexible light strip substrate according to claim 1, wherein one of the two adjacent first positive/negative lines is bent at one or more positions toward the other first positive/negative line and connected at both of the bent regions thereof; or, two adjacent first positive/negative electrode lines are bent toward each other at one or more positions at the same time and the bent regions of the two lines are connected.
5. The flexible light strip substrate of claim 1, wherein the first circuit layer further comprises a plurality of spaced apart circuit connection regions disposed between the first positive electrode and the first negative electrode.
6. The flexible light strip substrate of claim 1, further comprising a second circuit layer disposed on a side of the first flexible insulating film remote from the first circuit layer, the second circuit layer comprising a second positive electrode and a second negative electrode respectively disposed on two sides of the first flexible insulating film;
a first through hole and a second through hole are formed in the first flexible insulating film, the first positive electrode is communicated with the second positive electrode through the first through hole, and the first negative electrode is communicated with the second negative electrode through the second through hole;
the second positive electrode comprises a plurality of second positive electrode circuits which are electrically connected, and a plurality of third spacing zones are arranged among the plurality of second positive electrode circuits;
the second negative electrode comprises a plurality of second negative electrode circuits which are electrically connected, and a plurality of fourth spacing regions are arranged among the plurality of second negative electrode circuits;
the second positive electrode circuit and the second negative electrode circuit respectively correspond to the first positive electrode circuit and the first negative electrode circuit;
the third spacing region and the fourth spacing region respectively correspond to the first spacing region and the second spacing region.
7. The flexible light strip substrate according to claim 1, further comprising a laminated unit disposed on a side of the first flexible insulating film away from the first circuit layer, wherein the laminated unit comprises a plurality of third circuit layers and a plurality of second flexible insulating films alternately disposed, and a structure layer attached to the first flexible insulating film in the laminated unit is the third circuit layer;
when any one of the plurality of third circuit layers is provided with a circuit corresponding to the first positive electrode and/or the first negative electrode, the circuit is provided with a spacing area corresponding to the first spacing area and/or the second spacing area.
8. A flexible light strip comprising the flexible light strip substrate according to any one of claims 1 to 6, further comprising electroluminescent elements electrically connected to the first positive electrode and the first negative electrode, respectively.
9. A flexible light strip according to claim 8, wherein said electroluminescent elements are LED elements.
10. A flexible light strip according to claim 9, wherein said LED elements are LED flip chips.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921137362.XU CN209926075U (en) | 2019-07-18 | 2019-07-18 | Flexible lamp strip substrate and flexible lamp strip |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921137362.XU CN209926075U (en) | 2019-07-18 | 2019-07-18 | Flexible lamp strip substrate and flexible lamp strip |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021232302A1 (en) * | 2020-05-20 | 2021-11-25 | 深圳市欣上科技有限公司 | Lamp strip substrate and manufacturing method therefor, and finished lamp strip |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021232302A1 (en) * | 2020-05-20 | 2021-11-25 | 深圳市欣上科技有限公司 | Lamp strip substrate and manufacturing method therefor, and finished lamp strip |
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