CN111076109A - Color temperature-variable flexible lamp strip with flip LED chip - Google Patents
Color temperature-variable flexible lamp strip with flip LED chip Download PDFInfo
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- CN111076109A CN111076109A CN201911102106.1A CN201911102106A CN111076109A CN 111076109 A CN111076109 A CN 111076109A CN 201911102106 A CN201911102106 A CN 201911102106A CN 111076109 A CN111076109 A CN 111076109A
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- led light
- chip
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- wire structure
- pair
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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
- F21V19/0015—Fastening arrangements intended to retain light sources
- F21V19/002—Fastening arrangements intended to retain light sources the fastening means engaging the encapsulation or the packaging of the semiconductor device
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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
- F21V19/0015—Fastening arrangements intended to retain light sources
- F21V19/0025—Fastening arrangements intended to retain light sources the fastening means engaging the conductors of the light source, i.e. providing simultaneous fastening of the light sources and their electric connections
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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
- F21V23/001—Arrangement of electric circuit elements in or on lighting devices the elements being electrical wires or cables
- F21V23/002—Arrangements of cables or conductors inside a lighting device, e.g. means for guiding along parts of the housing or in a pivoting arm
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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
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
- F21V23/004—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array arranged on a substrate, e.g. a printed circuit board
- F21V23/005—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array arranged on a substrate, e.g. a printed circuit board the substrate is supporting also the light source
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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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- 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
- F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
- F21V9/40—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters with provision for controlling spectral properties, e.g. colour, or intensity
- F21V9/45—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters with provision for controlling spectral properties, e.g. colour, or intensity by adjustment of photoluminescent elements
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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
- F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
- F21Y2103/10—Elongate light sources, e.g. fluorescent tubes comprising a linear array of point-like light-generating elements
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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 discloses a color temperature variable flexible lamp strip with an inverted LED chip, which comprises a plurality of flexible circuit board units and a plurality of LED luminous chips, wherein the flexible circuit board units and the LED luminous chips extend along the length direction of the lamp strip; the flexible circuit board unit comprises a circuit layer and a supporting layer, the circuit layer is provided with a plurality of lead structures, and the LED light-emitting chips are welded on the two oppositely arranged lead structures so as to ensure the reliable connection of the lead structures; the supporting layer is provided with a supporting structure so as to increase the flexibility of the flexible lamp strip during bending, so that the bending angle of the flexible circuit board unit is controlled, and the LED light-emitting chip cannot fall off due to excessive bending of the flexible circuit board unit.
Description
Technical Field
The invention relates to the technical field of lamp belts, in particular to a color temperature variable flexible lamp belt with an inverted LED chip.
Background
The existing flexible lamp strip is generally formed by welding a plurality of patch type LED lamp beads on a strip-shaped flexible circuit board and then processing the flexible lamp strip in different modes such as sleeving, glue dripping and the like. The existing flexible lamp strip has the following defects: the LED lamp beads need to be subjected to series of processes such as die bonding, wire welding, glue sealing and the like, and the lamp strip also needs to be subjected to procedures such as surface mounting, sleeve penetrating and the like, so that the production process is complex and the cost is high; excessive bending or improper department of buckling easily appear the lamp pearl welding department and collapse and take off the problem of opening circuit, because of LED lamp pearl is the hard body, the circuit board is the flexible body, and the stress point of lamp pearl is great, and it is big to buckle the circuit board many times probably to lead to the lamp pearl leg to collapse the phenomenon of taking off the pad because of the atress is big.
Disclosure of Invention
In view of the above, there is a need for a bendable and cuttable flexible light strip with a flip-chip LED chip and a changeable color temperature.
A color temperature variable flexible lamp strip with flip LED chips comprises a plurality of flexible circuit board units and a plurality of LED light-emitting chips, wherein the flexible circuit board units and the LED light-emitting chips extend along the length direction of the lamp strip; the flexible circuit board unit comprises a circuit layer and a supporting layer, the circuit layer is provided with a plurality of lead structures, and the LED light-emitting chips are welded on the two oppositely arranged lead structures; the supporting layer is provided with a supporting structure so as to increase the flexibility of the flexible lamp strip during bending.
Furthermore, the flexible circuit board unit further comprises an insulating layer, and the insulating layer is arranged between the circuit layer and the supporting layer, so that the circuit layer and the supporting layer are mutually independent.
Furthermore, the wire structure comprises two main connecting wires arranged in parallel and a plurality of connecting branch wires vertically arranged between the main connecting wires, and two ends of each connecting branch wire are respectively connected to the two parallel main connecting wires.
Furthermore, the two lead structures are oppositely arranged to form a lead structure pair, and the plurality of lead structure pairs are sequentially arranged on the circuit layer; the wire structure pair is provided with an opposite inner side and an outer side opposite to the inner side, and the corresponding two connecting branch lines extend inwards to form a pair of opposite chip bonding pads.
Furthermore, two poles of the LED light-emitting chip are welded on the pair of chip bonding pads, so that the LED light-emitting chip is bridged on the two oppositely-arranged wire structures.
Further, the wire structure pairs comprise a first wire structure and a second wire structure, each wire structure pair has two extension ends, and the two extension ends are respectively arranged on the main connecting wires at two opposite ends of the first wire structure and the second wire structure; the elongated end of the first wire structure of each wire structure pair is connected to the elongated end of the second wire structure of an adjacent wire structure pair such that the first wire structure of each wire structure pair forms a series configuration with the second wire structure of an adjacent wire structure pair.
Furthermore, the circuit layer also comprises a pad connecting wire which is arranged at two sides of the wire structure pair; a plurality of the wire structure pair forms a wire structure group, every the wire structure pair at the two ends of the wire structure group, the wire structure pair which is not connected with the adjacent wire structure pair is connected to the pad connecting wire.
Further, the supporting structure comprises two supporting bars and a plurality of supporting bars which are oppositely arranged, the inner sides of the two supporting bars are provided with convex teeth which are oppositely arranged, the teeth are arranged below the chip bonding pad, and the width of the teeth is greater than that of the chip bonding pad; the support sheet is arranged between the two oppositely arranged teeth and is arranged below the LED light-emitting chip, and the width of the support sheet is larger than that of the LED light-emitting chip.
Furthermore, the plurality of LED light-emitting chips are sequentially welded on the lead structure along the length direction of the flexible circuit board unit, and comprise a first group of LED light-emitting chips and a second group of LED light-emitting chips; the first group of LED light-emitting chips and the second group of LED light-emitting chips are alternately arranged, and first color temperature fluorescent glue covers the first group of LED light-emitting chips; and second color temperature fluorescent glue covers the first group of LED light-emitting chips and the second group of LED light-emitting chips.
Furthermore, positive electrode pads and negative electrode pads are arranged on two sides of the flexible circuit board unit, the pad connecting wires are arranged along the length of the flexible circuit board unit, two ends of each pad connecting wire are respectively connected to the positive electrode pads or the negative electrode pads, and the positive electrode pads and the negative electrode pads are used for being connected with a power line.
In the flexible lamp strip with the color temperature variable and the inverted LED chip, the wire structure is provided with a plurality of connecting branch lines, and the plurality of connecting branch lines ensure the reliable connection of the wire structure; the LED light-emitting chip is welded on the wire structure, the supporting structure supports the flexible circuit board unit, the flexibility of the flexible circuit board unit is increased, the bending angle of the flexible circuit board unit is controlled, and the LED light-emitting chip cannot fall off due to excessive bending of the flexible circuit board unit. The LED light-emitting chip is welded on the surface of the flexible circuit board unit in a flip chip structure mode, and fluorescent glue with different color temperatures covers the LED light-emitting chip, so that the flexible lamp strip emits light with different color temperatures. The LED light-emitting chip and the flexible circuit board unit are packaged by fluorescent glue, so that the production process is simpler, and the production cost is lower. The invention has simple structure, easy realization, low cost and convenient popularization.
Drawings
Fig. 1 is a schematic front structural diagram of a flexible light strip with a flip-chip LED chip and a variable color temperature according to an embodiment of the present invention.
Fig. 2 is an enlarged view of the front structure of the flexible light strip with the flip LED chip and the variable color temperature according to the embodiment of the invention.
Fig. 3 is a schematic side structure view of a flexible light strip with a flip-chip LED chip and a variable color temperature according to an embodiment of the present invention.
Fig. 4 is an enlarged side view of the flexible light strip with the flip LED chip and the variable color temperature according to the embodiment of the invention.
Fig. 5 is a schematic circuit layer structure diagram of a flexible circuit board unit of the flexible light strip with the flip-chip LED chip and having a variable color temperature according to the embodiment of the present invention.
Fig. 6 is a schematic structural diagram of a supporting layer of a flexible circuit board unit of the flexible light strip with the flip LED chip and capable of changing color temperature according to the embodiment of the present invention.
Detailed Description
In this embodiment, taking a flexible light strip with a variable color temperature and a flip LED chip as an example, the invention will be described in detail with reference to specific embodiments and drawings.
Referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, a color temperature variable flexible lamp strip 100 with flip-chip LED chips according to an embodiment of the present invention is shown, including a plurality of flexible circuit board units 20 extending along a length direction of the lamp strip and a plurality of LED light emitting chips 10, where the LED light emitting chips 10 are fixed on the flexible circuit board units 20 in a flip-chip structure and covered with fluorescent glue with different color temperatures; the flexible circuit board unit 20 comprises a circuit layer 21 and a supporting layer 22, the circuit layer 21 has a plurality of lead structures 211, and the LED light emitting chips 10 are soldered on two oppositely arranged lead structures 211; the support layer 22 has a support structure to increase the flexibility of the flexible light strip when bent.
Further, the flexible printed circuit board unit 20 further includes an insulating layer disposed between the circuit layer 21 and the supporting layer 22, so that the circuit layer 21 and the supporting layer 22 are independent from each other.
Specifically, the flexible printed circuit board unit 20 is provided with the circuit layer 21, the insulating layer, and the support layer 22 in this order from top to bottom.
Further, the wire structure 211 includes two main connection lines 2111 arranged in parallel and a plurality of connection branch lines 2112 arranged perpendicularly between the main connection lines 2111, and two ends of each connection branch line 2112 are respectively connected to the two parallel main connection lines 2111.
Specifically, the conductive line structure 211 is shaped like a Chinese character 'mu', and at least two main connection lines 2111 and/or connection branch lines 2112 at each intersection are interconnected with other intersections.
Further, the two wire structures 211 are oppositely disposed to form a wire structure pair, and a plurality of the wire structure pairs are sequentially arranged on the circuit layer 21; the pair of wire structures has an inner side opposite to each other and an outer side opposite to the inner side, and the corresponding two connection branches 2112 extend inward to form a pair of opposing chip pads 2113. Two electrodes of the LED light emitting chip 10 are soldered to a pair of the die pads 2113, so that the LED light emitting chip 10 is bridged over the two opposite wire structures 211.
Further, the wire structure pairs include a first wire structure 211 and a second wire structure 211, each wire structure pair has two extension ends, and the two extension ends are respectively disposed on the main connection lines 2111 at two opposite ends of the first wire structure 211 and the second wire structure 211; the extended end of the first conductive line structure 211 in each conductive line structure pair is connected to the extended end of the second conductive line structure 211 in an adjacent conductive line structure pair, such that the first conductive line structure 211 in each conductive line structure pair and the second conductive line structure 211 in an adjacent conductive line structure pair form a series structure. The circuit layer 21 further includes a pad connection line 26, and the pad connection line 26 is disposed on two sides of the pair of lead structures; a plurality of the pair of wire structures form a wire structure group, and the wire structure 211, which is not connected to the adjacent pair of wire structures, is connected to the pad connection line 26 in the pair of wire structures at both ends of each of the pair of wire structures.
Specifically, in one of the wire structure groups, the pair of wire structures includes a head portion and a tail portion corresponding to the head portion, the pair of wire structures includes a head portion and a tail portion, and the wire structure 211 not connected to the adjacent pair of wire structures is connected to the pad connection line 26.
Specifically, two adjacent pairs of the conductive line structures, the first conductive line structure 211 in one pair of the conductive line structures is connected to the second conductive line structure 211 in the other pair of the conductive line structures, so that the two adjacent pairs of the conductive line structures form a series structure.
Specifically, a parallel structure is formed between a plurality of LED light emitting chips 10 soldered to one pair of lead structures, a series structure is formed between LED light emitting chips 10 soldered to two adjacent pairs of lead structures, and a parallel structure is formed between LED light emitting chips 10 soldered to two adjacent lead structure groups.
Further, the support structure comprises two support bars 221 and a plurality of support bars 222, which are oppositely arranged, the inner sides of the two support bars 221 are provided with oppositely arranged convex teeth 2211, the teeth 2211 are arranged below the chip bonding pads 2113, and the width of the teeth 2211 is greater than that of the chip bonding pads 2113; the supporting sheet 222 is disposed between two oppositely disposed teeth 2211, and the supporting sheet 222 is disposed below the LED light emitting chip 10, and the width of the supporting sheet 222 is greater than that of the LED light emitting chip 10.
Specifically, when the flexible light strip is bent, the teeth 2211 and the supporting sheet 222 are not bent, and the widths of the teeth 2211 and the supporting sheet 222 are respectively greater than the widths of the chip bonding pad 2113 and the LED light emitting chip 10, so that the LED light emitting chip 10 is not affected by the bending of the flexible light strip, and the LED light emitting chip 10 is prevented from falling off.
Further, the plurality of LED light emitting chips 10 are sequentially soldered on the wire structure 211 along the length direction of the flexible circuit board unit 20, and the plurality of LED light emitting chips 10 include a first group of LED light emitting chips 10 and a second group of LED light emitting chips 10; the first group of LED light emitting chips 10 and the second group of LED light emitting chips 10 are alternately arranged, and a first color temperature fluorescent glue 30 covers the first group of LED light emitting chips 10; a second color temperature fluorescent glue 40 covers the first group of LED light-emitting chips 10 and the second group of LED light-emitting chips 10.
Specifically, the LED light emitting chip 10 is soldered to the intersections of the main connection lines 2111 and the connection branches 2112 of the lead structure 211, and since there are a plurality of main connection lines 2111 and/or connection branches 2112 between each intersection and the adjacent intersection, the power supply between the intersection and the power line is interrupted only when all the main connection lines 2111 and the connection branches 2112 extending from one intersection are simultaneously broken. Meanwhile, when one of the LED light-emitting chips 10 soldered on the wire structure 211 is dead, the normal power supply of the other LED light-emitting chips 10 soldered on the same wire structure 211 is not affected, and the other LED light-emitting chips 10 can emit light normally.
Specifically, the second color temperature fluorescent glue 40 covers the second group of LED light emitting chips 10, and the first color temperature fluorescent glue 30 and the second group of fluorescent glue cover the first group of LED light emitting chips 10, so that the flexible light strip presents different color temperatures.
Further, a positive electrode pad 23 and a negative electrode pad 24 are arranged on two sides of the flexible circuit board unit, the pad connecting line 26 is arranged along the length of the flexible circuit board unit 20, two ends of the pad connecting line 26 are respectively connected to the positive electrode pad 23 or the negative electrode pad 24, and the positive electrode pad 23 and the negative electrode pad 24 are used for being connected with a power line.
Specifically, the flexible circuit board unit 20 includes a negative electrode pad 24 and two positive electrode pads 23, the two positive electrode pads are disposed on two sides of the negative electrode pad 24, and the positive electrode pad 23 and the negative electrode pad 24 are used for connecting a 12 v/24 v power supply.
Specifically, the flexible printed circuit board unit 20 further includes a current limiting resistor 25, and the current limiting resistor 25 is configured to limit the current of the flexible printed circuit board unit 20 and the LED light emitting chip 10 and perform a voltage dividing function.
In the flexible light strip with the color temperature variable flip-chip LED chip, the wire structure 211 has a plurality of the connection branches 2112, and the plurality of the connection branches 2112 ensure reliable connection of the wire structure 211; the LED light-emitting chip 10 is welded on the wire structure 211, and the support structure supports the flexible circuit board unit 20, so that the flexibility of the flexible circuit board unit 20 is increased, the bending angle of the flexible circuit board unit 20 is controlled, and the LED light-emitting chip 10 cannot fall off due to excessive bending of the flexible circuit board unit 20. The LED light-emitting chip 10 is welded on the surface of the flexible circuit board unit 20 in a flip chip structure mode, and fluorescent glue with different color temperatures covers the LED light-emitting chip, so that the flexible lamp strip emits light with different color temperatures. The LED light-emitting chip 10 and the flexible circuit board unit 20 are packaged by fluorescent glue, so that the production process is simpler, and the production cost is lower. The invention has simple structure, easy realization, low cost and convenient popularization.
It should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention, and those skilled in the art can make various modifications and changes. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A color temperature variable flexible lamp strip with flip LED chips is characterized by comprising a plurality of flexible circuit board units and a plurality of LED light-emitting chips, wherein the flexible circuit board units and the LED light-emitting chips extend along the length direction of the lamp strip; the flexible circuit board unit comprises a circuit layer and a supporting layer, the circuit layer is provided with a plurality of lead structures, and the LED light-emitting chips are welded on the two oppositely arranged lead structures; the supporting layer is provided with a supporting structure so as to increase the flexibility of the flexible lamp strip during bending.
2. The variable color temperature flexible light strip with flip-chip LED chips of claim 1, wherein said flexible circuit board unit further comprises an insulating layer disposed between said wiring layer and said support layer, such that said wiring layer and said support layer are independent of each other.
3. The flexible light strip with flip-chip LED chips and variable color temperature of claim 2, wherein said wire structure comprises two main connecting lines arranged in parallel and a plurality of connecting branches arranged perpendicularly between said main connecting lines, both ends of each of said connecting branches are connected to two parallel said main connecting lines respectively.
4. The flexible light strip with flip-chip LED chips and variable color temperature according to claim 3, wherein two of said lead structures are oppositely disposed to form a pair of lead structures, and a plurality of said pairs of lead structures are sequentially arranged on said circuit layer; the wire structure pair is provided with an opposite inner side and an outer side opposite to the inner side, and the corresponding two connecting branch lines extend inwards to form a pair of opposite chip bonding pads.
5. The flexible light strip with flip-chip LED chips of claim 4, wherein two poles of said LED light emitting chip are soldered to a pair of said chip pads, such that said LED light emitting chip is connected across two of said lead structures disposed opposite to each other.
6. The variable color temperature flexible light strip with flip-chip LED chips of claim 4, wherein said pair of lead structures comprises a first lead structure and a second lead structure, each said pair of lead structures having two said elongated ends respectively disposed on said primary connection lines at opposite ends of said first lead structure and said second lead structure; the elongated end of the first wire structure of each wire structure pair is connected to the elongated end of the second wire structure of an adjacent wire structure pair such that the first wire structure of each wire structure pair forms a series configuration with the second wire structure of an adjacent wire structure pair.
7. The variable color temperature flexible light strip with flip-chip LED chips of claim 4, wherein said circuit layer further comprises pad connection lines disposed on both sides of said pair of wire structures; a plurality of the wire structure pair forms a wire structure group, every the wire structure pair at the two ends of the wire structure group, the wire structure pair which is not connected with the adjacent wire structure pair is connected to the pad connecting wire.
8. The variable color temperature flexible light strip with flip-chip LED chips of claim 4, wherein said support structure comprises two support bars and a plurality of support bars oppositely disposed, the inner sides of the two support bars having oppositely disposed raised teeth, said teeth being disposed below said chip pads, and the width of said teeth being greater than the width of said chip pads; the support sheet is arranged between the two oppositely arranged teeth and is arranged below the LED light-emitting chip, and the width of the support sheet is larger than that of the LED light-emitting chip.
9. The flexible light strip with flip-chip LED chips and variable color temperature of claim 1, wherein a plurality of said LED light emitting chips are sequentially soldered onto said wire structure along the length direction of said flexible circuit board unit, and said plurality of said LED light emitting chips comprise a first group of LED light emitting chips and a second group of LED light emitting chips; the first group of LED light-emitting chips and the second group of LED light-emitting chips are alternately arranged, and first color temperature fluorescent glue covers the first group of LED light-emitting chips; and second color temperature fluorescent glue covers the first group of LED light-emitting chips and the second group of LED light-emitting chips.
10. The color temperature variable flexible light strip with flip-chip LED chips of claim 7, wherein said flexible circuit board unit has positive and negative electrode pads on both sides thereof, said pad connecting wires are disposed along the length of said flexible circuit board unit, both ends of said pad connecting wires are respectively connected to said positive or negative electrode pads, and said positive and negative electrode pads are used for connecting power lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911102106.1A CN111076109A (en) | 2019-11-12 | 2019-11-12 | Color temperature-variable flexible lamp strip with flip LED chip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911102106.1A CN111076109A (en) | 2019-11-12 | 2019-11-12 | Color temperature-variable flexible lamp strip with flip LED chip |
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| Publication Number | Publication Date |
|---|---|
| CN111076109A true CN111076109A (en) | 2020-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911102106.1A Pending CN111076109A (en) | 2019-11-12 | 2019-11-12 | Color temperature-variable flexible lamp strip with flip LED chip |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111883628A (en) * | 2020-07-09 | 2020-11-03 | 苏州工业园区客临和鑫电器有限公司 | High-density shadow-free flexible lamp strip and packaging method thereof |
| CN113483282A (en) * | 2021-07-09 | 2021-10-08 | 深圳市威尔晟光电有限公司 | Flexible lamp strip with flip LED chip and manufacturing method thereof |
Citations (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070273296A9 (en) * | 1995-06-26 | 2007-11-29 | Jij, Inc. | LED light strings |
| CN202613185U (en) * | 2012-04-25 | 2012-12-19 | 瑞安市华隆灯饰有限公司 | Light emitting lamp strip capable of being cut freely |
| CN202719460U (en) * | 2012-07-30 | 2013-02-06 | 深圳市鸿祺灯饰配件有限公司 | High pressure light-emitting diode (LED) light strip |
| CN203722909U (en) * | 2013-11-22 | 2014-07-16 | 深圳市零奔洋科技有限公司 | Flexible circuit board and LED light bar |
| CN203797443U (en) * | 2014-03-31 | 2014-08-27 | 深圳市宝斯恩科技有限公司 | Integrated multifunctional outdoor waterproof flexible strip lamp |
| CN104089217A (en) * | 2014-06-20 | 2014-10-08 | 北京京东方视讯科技有限公司 | Backlight source, backlight module and display device |
| DE102013208388A1 (en) * | 2013-05-07 | 2014-11-13 | Osram Gmbh | Flexible circuit board |
| CN204131833U (en) * | 2014-09-28 | 2015-01-28 | 深圳市众搏辉科技有限公司 | The backlight FPC of improvement |
| US20160069545A1 (en) * | 2012-01-12 | 2016-03-10 | Longwide Technology Inc. | Led 3d curved lead frame of illumination device |
| CN205690163U (en) * | 2016-06-12 | 2016-11-16 | 段鸿 | A kind of Novel LED light bar being easy to cutting |
| CN207005830U (en) * | 2017-07-05 | 2018-02-13 | 深圳市正邦光电科技有限公司 | Side-emitting LED soft light bar |
| CN108278515A (en) * | 2018-02-28 | 2018-07-13 | 杭州小太阳农业科技有限公司 | A kind of double, multiple rows of LED light base band |
| CN207648525U (en) * | 2017-12-19 | 2018-07-24 | 广东欧曼科技股份有限公司 | A kind of silica gel lamp strip assembly |
| CN207651527U (en) * | 2017-11-16 | 2018-07-24 | 深圳市威尔晟光电有限公司 | A kind of double-colored temperature LED with IC functions |
| CN207884977U (en) * | 2018-03-06 | 2018-09-18 | 深圳市冠粤精密电路有限公司 | A kind of anti-flexible circuit board to fracture |
| CN208237574U (en) * | 2018-05-10 | 2018-12-14 | 鹤壁国立光电科技股份有限公司 | A kind of Multifunctional LED commercial affairs eye-protecting desk lamp |
| US20190049077A1 (en) * | 2017-08-11 | 2019-02-14 | Elemental LED, Inc. | Flexible Power Distribution System |
| CN110030508A (en) * | 2019-04-09 | 2019-07-19 | 浙江阳光美加照明有限公司 | Color temperature-tunable flexible LED lamp strand and the filament lamp for using the filament item |
| US20190230782A1 (en) * | 2018-01-24 | 2019-07-25 | Led-Linear Gmbh | Flexible led strip |
| CN209330451U (en) * | 2018-08-31 | 2019-08-30 | 常州市武进三维电子有限公司 | The LED circuit board of new-energy automobile rear light |
| US20190301683A1 (en) * | 2014-09-28 | 2019-10-03 | Zhejiang Super Lighting Electric Appliance Co.,Ltd | Led light bulb with a flexible led filament |
-
2019
- 2019-11-12 CN CN201911102106.1A patent/CN111076109A/en active Pending
Patent Citations (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070273296A9 (en) * | 1995-06-26 | 2007-11-29 | Jij, Inc. | LED light strings |
| US20160069545A1 (en) * | 2012-01-12 | 2016-03-10 | Longwide Technology Inc. | Led 3d curved lead frame of illumination device |
| CN202613185U (en) * | 2012-04-25 | 2012-12-19 | 瑞安市华隆灯饰有限公司 | Light emitting lamp strip capable of being cut freely |
| CN202719460U (en) * | 2012-07-30 | 2013-02-06 | 深圳市鸿祺灯饰配件有限公司 | High pressure light-emitting diode (LED) light strip |
| DE102013208388A1 (en) * | 2013-05-07 | 2014-11-13 | Osram Gmbh | Flexible circuit board |
| CN203722909U (en) * | 2013-11-22 | 2014-07-16 | 深圳市零奔洋科技有限公司 | Flexible circuit board and LED light bar |
| CN203797443U (en) * | 2014-03-31 | 2014-08-27 | 深圳市宝斯恩科技有限公司 | Integrated multifunctional outdoor waterproof flexible strip lamp |
| CN104089217A (en) * | 2014-06-20 | 2014-10-08 | 北京京东方视讯科技有限公司 | Backlight source, backlight module and display device |
| US20190301683A1 (en) * | 2014-09-28 | 2019-10-03 | Zhejiang Super Lighting Electric Appliance Co.,Ltd | Led light bulb with a flexible led filament |
| CN204131833U (en) * | 2014-09-28 | 2015-01-28 | 深圳市众搏辉科技有限公司 | The backlight FPC of improvement |
| CN205690163U (en) * | 2016-06-12 | 2016-11-16 | 段鸿 | A kind of Novel LED light bar being easy to cutting |
| CN207005830U (en) * | 2017-07-05 | 2018-02-13 | 深圳市正邦光电科技有限公司 | Side-emitting LED soft light bar |
| US20190049077A1 (en) * | 2017-08-11 | 2019-02-14 | Elemental LED, Inc. | Flexible Power Distribution System |
| CN207651527U (en) * | 2017-11-16 | 2018-07-24 | 深圳市威尔晟光电有限公司 | A kind of double-colored temperature LED with IC functions |
| CN207648525U (en) * | 2017-12-19 | 2018-07-24 | 广东欧曼科技股份有限公司 | A kind of silica gel lamp strip assembly |
| US20190230782A1 (en) * | 2018-01-24 | 2019-07-25 | Led-Linear Gmbh | Flexible led strip |
| CN108278515A (en) * | 2018-02-28 | 2018-07-13 | 杭州小太阳农业科技有限公司 | A kind of double, multiple rows of LED light base band |
| CN207884977U (en) * | 2018-03-06 | 2018-09-18 | 深圳市冠粤精密电路有限公司 | A kind of anti-flexible circuit board to fracture |
| CN208237574U (en) * | 2018-05-10 | 2018-12-14 | 鹤壁国立光电科技股份有限公司 | A kind of Multifunctional LED commercial affairs eye-protecting desk lamp |
| CN209330451U (en) * | 2018-08-31 | 2019-08-30 | 常州市武进三维电子有限公司 | The LED circuit board of new-energy automobile rear light |
| CN110030508A (en) * | 2019-04-09 | 2019-07-19 | 浙江阳光美加照明有限公司 | Color temperature-tunable flexible LED lamp strand and the filament lamp for using the filament item |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111883628A (en) * | 2020-07-09 | 2020-11-03 | 苏州工业园区客临和鑫电器有限公司 | High-density shadow-free flexible lamp strip and packaging method thereof |
| CN113483282A (en) * | 2021-07-09 | 2021-10-08 | 深圳市威尔晟光电有限公司 | Flexible lamp strip with flip LED chip and manufacturing method thereof |
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