CN204879551U - LED bulb and flexible LED filament thereof - Google Patents
LED bulb and flexible LED filament thereof Download PDFInfo
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- CN204879551U CN204879551U CN201520573650.5U CN201520573650U CN204879551U CN 204879551 U CN204879551 U CN 204879551U CN 201520573650 U CN201520573650 U CN 201520573650U CN 204879551 U CN204879551 U CN 204879551U
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- led filament
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Abstract
The utility model discloses a LED bulb and flexible LED filament thereof. Wherein, flexible LED filament is provided with a plurality of LED chips including the flexible base plate that can buckle on the flexible base plate, and the cladding has the fluorescence colloid on the LED chip, flexible base plate includes the flexible insulation compoboard, is provided with flexible conducting wire layer on the flexible insulation compoboard, has the slotted hole that a plurality of is used for holding the LED chip on the flexible conducting wire layer, and the LED chip sets up on the flexible insulation compoboard, be arranged in the slotted hole to be connected with flexible conducting wire layer electricity. The utility model discloses a flexible base plate that the adoption can be buckled sets up a plurality of LED chips and cladding fluorescence colloid on flexible base plate, the LED chip is connected with the flexible conducting wire layer electricity in the flexible base plate for LED filament angle wantonly is crooked, has enlarged the application scope of LED filament, can satisfy model lamp light source's demand of difference, provides the advantage for the lamp light source product diversification.
Description
Technical field
The utility model relates to LED lamp, particularly a kind of LED bulb and flexible LED filament thereof.
Background technology
LED, as forth generation light source, has the advantages such as energy-saving and environmental protection, low-power consumption, life-span length, has now been widely used in the fields such as display, backlight, illumination.Wherein LED bulb also substitutes conventional incandescent gradually along with the further maturation of LED technology.
At present, LED bulb adopts leptosomatic LED silk mostly, and LED silk generally adopts hard substrate, and as sapphire, glass, pottery etc., this makes the moulding of LED silk single, is applicatoryly limited in scope, and cannot meet the demand of different shaping lamp light source.
Thus prior art need to improve.
Utility model content
In view of above-mentioned the deficiencies in the prior art part, the purpose of this utility model is to provide a kind of LED bulb and flexible LED filament thereof, can meet the demand of different shaping lamp light source.
In order to achieve the above object, the utility model takes following technical scheme:
A kind of flexible LED filament, it comprises bent flexible base board, and described flexible base board is provided with some LED chip, and described LED chip is coated with fluorescent colloid; Described flexible base board comprises flexible insulation compoboard, described flexible insulation compoboard is provided with compliant conductive circuit layer, described compliant conductive circuit layer have several for holding the slotted eye of LED chip, described LED chip is arranged on flexible insulation compoboard, is arranged in described slotted eye, and is electrically connected with compliant conductive circuit layer.
In described flexible LED filament, described flexible insulation compoboard is flexible insulating substrate.
In described flexible LED filament, described flexible insulation compoboard comprises flexible conductive base plate, and described flexible conductive base plate is provided with insulating barrier.
In described flexible LED filament, the coated described flexible base board of described fluorescent colloid 360 degree and LED chip.
In described flexible LED filament, the one or both sides of the coated described flexible base board of described fluorescent colloid.
In described flexible LED filament, the quantity of described fluorescent colloid is identical with the quantity of LED chip, the coated LED chip of each fluorescent colloid.
In described flexible LED filament, the diameter of described flexible LED filament is 0.5mm-5mm.
In described flexible LED filament, the length of described flexible LED filament is greater than 15mm.
In described flexible LED filament, described flexible insulating substrate is silica gel substrate.
A kind of LED bulb, comprise lamp holder, cell-shell, power supply and stem stem, described cell-shell and lamp holder seal, described power supply and stem stem are arranged on lamp holder, the major part of described stem stem is arranged in described cell-shell, and described LED bulb also comprises at least one wire and the flexible LED filament as described in above-mentioned any one, and one end of described wire connects described power supply, described flexible LED filament bending, and be electrically connected with the other end of each wire.
Compared to prior art, the LED bulb that the utility model provides and flexible LED filament thereof, by adopting bent flexible base board, some LED chip are set on flexible substrates and coated fluorescent colloid, LED silk can arbitrarily angledly be bent, expand the scope of application of LED silk, for lamp light source product diversification provides advantage.
Accompanying drawing explanation
The schematic diagram of 360 degree of sealing flexible LED filaments that Fig. 1 provides for the utility model embodiment.
The cross sectional representation of 360 degree of sealing flexible LED filaments that Fig. 2 provides for the utility model embodiment.
The schematic diagram of the flexible base board that Fig. 3 provides for the utility model first preferred embodiment.
Fig. 4 is Fig. 3 A place enlarged diagram.
The schematic diagram of the flexible base board that Fig. 5 provides for the utility model second preferred embodiment.
Fig. 6 is Fig. 5 B place enlarged diagram.
The schematic diagram of the one side sealing flexible LED filament that Fig. 7 provides for the utility model embodiment.
The schematic cross-section of the one side sealing flexible LED filament that Fig. 8 provides for the utility model embodiment.
The schematic diagram of the fixed point sealing flexible LED filament that Fig. 9 provides for the utility model embodiment.
The Longitudinal cross section schematic of the fixed point sealing flexible LED filament that Figure 10 provides for the utility model embodiment.
The structural representation of the LED bulb that Figure 11 provides for the utility model embodiment.
Detailed description of the invention
The utility model provides LED bulb and flexible LED filament thereof, and flexible LED filament can arbitrarily angledly bend, and expands the scope of application of LED silk, can meet the demand of different shaping lamp light source.
For making the purpose of this utility model, technical scheme and effect clearly, clearly, referring to the accompanying drawing embodiment that develops simultaneously, the utility model is further described.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Refer to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the flexible LED filament that the utility model provides comprises: bent flexible base board 11, described flexible base board 11 can be transparent, translucent or opaque substrate, described flexible base board 11 is provided with some LED chip 12, described flexible base board 11 directly carries out LED chip 12 formal dress die bond bonding wire, upside-down mounting eutectic welding procedure, in order to fixed L ED chip 12, described LED chip 12 is coated with fluorescent colloid 13, excites when filament is energized described fluorescent colloid 13 to send white light.
Described flexible base board 11 comprises flexible insulation compoboard 110, described flexible insulation compoboard 110 is provided with compliant conductive circuit layer 111, for being electrically connected LED chip 12, described compliant conductive circuit layer 111 have several for holding the slotted eye 112 of LED chip, described LED chip 12 to be arranged on flexible insulation compoboard 110 and to be arranged in described slotted eye 112, be electrically connected with compliant conductive circuit layer 111 simultaneously, thus make flexible LED filament 10 with arbitrarily angled bending time, filament all can normal luminous.
Please continue to refer to Fig. 3 and Fig. 4, the flexible insulation compoboard 110 that the utility model first preferred embodiment provides is flexible insulating substrate, described flexible insulating substrate is silica gel substrate, compliant conductive circuit layer 111 directly overlays on described flexible insulating substrate, LED chip (not shown) is welded in the slotted eye 112 on described compliant conductive circuit layer 111, and is electrically connected with compliant conductive circuit layer 111.
Further, refer to Fig. 5 and Fig. 6, the flexible insulation compoboard 110 that the utility model second preferred embodiment provides comprises flexible conductive base plate 1101, described flexible conductive base plate 1101 is FPC substrate, preferably, described flexible conductive base plate 1101 is also provided with insulating barrier 1102, to prevent short circuit between flexible conductive base plate 1101 and compliant conductive circuit layer 111, equally, LED chip (not shown) is welded in the slotted eye 112 on described compliant conductive circuit layer 111, and is electrically connected with compliant conductive circuit layer 111.
Above-mentioned two kinds of preferred embodiments that the utility model provides, by adopting different flexible base board material, all can reach and make flexible LED filament 10 can be arbitrarily angled bending or bend to the object of arbitrary shape.Concrete, the diameter of described flexible LED filament 10 is 0.5mm-5mm, and length is greater than 15mm, the shape of elongate strip makes it more be conducive to being bent to any moulding, and itself is unaffected, expand the scope of application of LED silk, for lamp light source product diversification provides advantage.
In addition, owing to LED chip needing coated fluorescent colloid, be converted to white light for light LED chip sent, the utility model also provides three kinds of different coated modes of fluorescent colloid.
Refer to Fig. 1 and Fig. 2, the coated described flexible base board 11 of described fluorescent colloid 13360 degree and LED chip 12, make flexible base board 11 and LED chip 12 be wrapped in fluorescent colloid 13 completely, its luminous efficiency is high.
Refer to Fig. 7 and Fig. 8, the one or both sides of the coated described flexible base board 11 of described fluorescent colloid 13, i.e. fluorescent colloid 13 described in the one or both sides continuous coating of flexible base board 11.
Refer to Fig. 9 and Figure 10, the quantity of described fluorescent colloid 13 is identical with the quantity of LED chip 12, and each fluorescent colloid 13 is fixed a point a coated LED chip 12.When wherein adopting the coated described flexible base board 11 of fixed point, preferentially adopt flip-chip, use flip-chip without the need to bonding wire, the appearance looks elegant of flexible LED filament 10.
During concrete enforcement, the coated mode of different fluorescent colloids can be selected according to the demand of different terminals light source product, further increase the scope of application of flexible LED filament.
The cross section of flexible LED filament 10 described in the utility model embodiment can be circular, and also can be oval or other shapes, to meet actual product needs, the utility model be not construed as limiting this.
Refer to Figure 11, the utility model is a kind of LED bulb of corresponding raising also, comprises lamp holder 20, cell-shell 30, power supply 40 and stem stem 50.Described cell-shell 30 seals with lamp holder 20, and described power supply 40 and stem stem 50 are arranged on lamp holder 20, and the major part of described stem stem 50 is arranged in described cell-shell 30.
In addition, described LED bulb also comprises at least one wire 60 and flexible LED filament 10, and one end of described wire 10 connects described power supply 40, and described flexible LED filament 10 bends, and be electrically connected with the other end of each wire 60, employ LED silk to replace traditional tengsten lamp, without the need to heat dissipation design, and manufacture craft is simple, and, can adopt traditional tengsten lamp production technology, traditional lighting manufacturer is easily made the transition and does LED silk bulb lamp, input cost is low.Owing to being described in detail flexible LED filament above, be not described further herein.
In sum, the LED bulb that the utility model provides and flexible LED filament thereof are by adopting bent flexible base board, some LED chip are set on flexible substrates and coated fluorescent colloid, LED silk can arbitrarily angledly be bent, expand the scope of application of LED silk, for lamp light source product diversification provides advantage.
Be understandable that; for those of ordinary skills; can be equal to according to the technical solution of the utility model and utility model design thereof and replace or change, and all these change or replace the protection domain that all should belong to the claim appended by the utility model.
Claims (10)
1. a flexible LED filament, is characterized in that, comprises bent flexible base board, and described flexible base board is provided with some LED chip, and described LED chip is coated with fluorescent colloid; Described flexible base board comprises flexible insulation compoboard, described flexible insulation compoboard is provided with compliant conductive circuit layer, described compliant conductive circuit layer have several for holding the slotted eye of LED chip, described LED chip is arranged on flexible insulation compoboard, is arranged in described slotted eye, and is electrically connected with compliant conductive circuit layer.
2. flexible LED filament according to claim 1, is characterized in that, described flexible insulation compoboard is flexible insulating substrate.
3. flexible LED filament according to claim 1, is characterized in that, described flexible insulation compoboard comprises flexible conductive base plate, and described flexible conductive base plate is provided with insulating barrier.
4. flexible LED filament according to claim 1, is characterized in that, the coated described flexible base board of described fluorescent colloid 360 degree and LED chip.
5. flexible LED filament according to claim 1, is characterized in that, the one or both sides of the coated described flexible base board of described fluorescent colloid.
6. flexible LED filament according to claim 1, is characterized in that, the quantity of described fluorescent colloid is identical with the quantity of LED chip, the coated LED chip of each fluorescent colloid.
7. flexible LED filament according to claim 1, is characterized in that, the diameter of described flexible LED filament is 0.5mm-5mm.
8. flexible LED filament according to claim 1, is characterized in that, the length of described flexible LED filament is greater than 15mm.
9. flexible LED filament according to claim 2, is characterized in that, described flexible insulating substrate is silica gel substrate.
10. a LED bulb, comprise lamp holder, cell-shell, power supply and stem stem, described cell-shell and lamp holder seal, described power supply and stem stem are arranged on lamp holder, and the major part of described stem stem is arranged in described cell-shell, it is characterized in that, described LED bulb also comprises at least one wire and the flexible LED filament as described in claim 1-9 any one, one end of described wire connects described power supply, described flexible LED filament bending, and is electrically connected with the other end of each wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520573650.5U CN204879551U (en) | 2015-08-03 | 2015-08-03 | LED bulb and flexible LED filament thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520573650.5U CN204879551U (en) | 2015-08-03 | 2015-08-03 | LED bulb and flexible LED filament thereof |
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| CN204879551U true CN204879551U (en) | 2015-12-16 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105546488A (en) * | 2016-01-29 | 2016-05-04 | 漳州立达信光电子科技有限公司 | Flexible LED filament and LED filament lamp |
| CN106764779A (en) * | 2016-11-14 | 2017-05-31 | 广东雷腾智能光电有限公司 | A kind of manufacture method of vehicle lamp light source |
| CN106949386A (en) * | 2017-01-22 | 2017-07-14 | 南昌大学 | A kind of flexible LED filament |
| CN106969276A (en) * | 2017-05-11 | 2017-07-21 | 四川鋈新能源科技有限公司 | Flexible LED filament and LED |
| CN107166175A (en) * | 2017-02-27 | 2017-09-15 | 漳州立达信光电子科技有限公司 | A kind of stretchable light-emitting device and preparation method thereof |
| CN107795864A (en) * | 2016-08-30 | 2018-03-13 | 浙江亿米光电科技有限公司 | A kind of LED light source prepared based on flexible LED filament |
| CN109087986A (en) * | 2018-08-30 | 2018-12-25 | 佛山市国星半导体技术有限公司 | A kind of flexible LED device and preparation method thereof, LED filament |
-
2015
- 2015-08-03 CN CN201520573650.5U patent/CN204879551U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105546488A (en) * | 2016-01-29 | 2016-05-04 | 漳州立达信光电子科技有限公司 | Flexible LED filament and LED filament lamp |
| CN107795864A (en) * | 2016-08-30 | 2018-03-13 | 浙江亿米光电科技有限公司 | A kind of LED light source prepared based on flexible LED filament |
| CN106764779A (en) * | 2016-11-14 | 2017-05-31 | 广东雷腾智能光电有限公司 | A kind of manufacture method of vehicle lamp light source |
| CN106949386A (en) * | 2017-01-22 | 2017-07-14 | 南昌大学 | A kind of flexible LED filament |
| CN107166175A (en) * | 2017-02-27 | 2017-09-15 | 漳州立达信光电子科技有限公司 | A kind of stretchable light-emitting device and preparation method thereof |
| CN106969276A (en) * | 2017-05-11 | 2017-07-21 | 四川鋈新能源科技有限公司 | Flexible LED filament and LED |
| CN109087986A (en) * | 2018-08-30 | 2018-12-25 | 佛山市国星半导体技术有限公司 | A kind of flexible LED device and preparation method thereof, LED filament |
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| C14 | Grant of patent or utility model | ||
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