CN203848063U - Heat-island effect preventive umbrella-type light-emitting diode (LED) filament - Google Patents
Heat-island effect preventive umbrella-type light-emitting diode (LED) filament Download PDFInfo
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- CN203848063U CN203848063U CN201420266907.8U CN201420266907U CN203848063U CN 203848063 U CN203848063 U CN 203848063U CN 201420266907 U CN201420266907 U CN 201420266907U CN 203848063 U CN203848063 U CN 203848063U
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- substrate
- led
- filament
- island effect
- connecting ring
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- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
The utility model discloses a heat-island effect preventive umbrella-type light-emitting diode (LED) filament. At least one substrate (5) is connected with each of an anode wiring ring (1) and a cathode wiring ring (2). The substrates (5) are distributed in an umbrella type. One end of each substrate (5) is connected with each of the anode wiring ring (1) and the cathode wiring ring (2), and the other end of each substrate (5) is connected with the periphery of a wiring circular ring (6). The periphery of a radiating plate (7) which is arranged on the inner side of the wiring circular ring (6) is in contacting connection with the wiring circular ring (6). By a three-dimensional umbrella-type structure, the heat-island effect preventive umbrella-type LED filament is capable of illuminating in multi-angle and multi-layer in the three-dimensional type with big illumination area, high illuminating efficiency and good lighting effect; the required substrates and sealant are fewer so as to reduce cost while a certain illuminating efficiency is guaranteed; and the tops of the substrates are respectively connected with the wiring circular ring on the periphery of the radiating plate, and heat of the substrates radiates rapidly from the radiating plate, thus heat accumulated at the top of the filament is reduced, and the filament is effectively prevented from the heat island effect.
Description
Technical field
The utility model relates to a kind of LED filament, particularly relates to a kind of anti-tropical island effect umbrella shape LED filament.
Background technology
At present, the wire that the filament of conventional incandescent generally can be directly luminous by tungsten filament etc. forms, and this class filament ubiquity short, power consumption headlight defect of life-span, and generally can only send sodium yellow, and colour rendering is poor.Simultaneously, under the guide of the strategy of sustainable development, energy-saving and emission-reduction thought is constantly promoted, country more and more payes attention to lighting energy saving and environmental issue at present, carrying out energetically using LED bulb, along with the development of LED technology, electricity-saving lamp and incandescent lamp will be replaced by LED lamp in the near future, and LED street lamp has extraordinary application prospect in new city illumination.
But existing LED filament has following deficiency: (1) generally can only be flat luminous, light source luminescent angle generally all between 120 ~ 140 °, cannot truly realize stereo luminous; (2) colour rendering of light source is poor, and light decay phenomenon is comparatively serious, the place of especially concentrating crowd, and the familiar lacunas of light source is more obvious; (3) packing forms of traditional LED lamp adopts vertical LED (Lamp-LED), surface mount LED(SMD-LED), side-emitting LED (Side-LED), top light emitting LED(TOP-LED), cover brilliant LED(Flip Chip-LED) etc. mode, all belong to point type encapsulation, its shortcoming is that light sensation is discontinuous, cannot multi-angle, luminous at many levels.
LED filament is set to three-dimensional beveled structure and can realizes stereo luminously, and can improve to a great extent luminous efficiency.But the top of traditional beveled structure filament is all connected in a bit jointly, setting between substrate and substrate is too tight, can cause like this heat of filament top accumulation point to be concentrated, head temperature exceeds a lot of and difficult derivation of heat than lip temperature, forms " tropical island effect ".
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of novel anti-tropical island effect umbrella shape LED filament is provided, and light-emitting area is large, luminous efficiency is high, and substrate top is connected on the wiring annulus of heat sink outer rim, reduce the heat accumulation at filament top, avoid producing tropical island effect.
The purpose of this utility model is achieved through the following technical solutions: anti-tropical island effect umbrella shape LED filament, and it comprises anodal connecting ring and negative pole connecting ring, and anodal connecting ring is connected with positive terminal, and negative pole connecting ring is connected with negative terminal; On anodal connecting ring and negative pole connecting ring, be all connected with at least one substrate, each substrate is umbrella shape to be arranged, one end of each substrate is connected on anodal connecting ring and negative pole connecting ring, and the other end is connected to the outer rim of wiring annulus.
The inner side of described wiring annulus is provided with heat sink, and the outer rim of heat sink is connected with the contact of wiring annulus.
The both sides of described each substrate are provided with LED illuminating module, and the surface of substrate and LED illuminating module is coated with adhesive layer.
The LED illuminating module of described each side includes blue-light LED chip and the red LED chip of multiple mutual series connection.
Described adhesive layer is yellow fluorescence adhesive layer.
Described substrate is transparency carrier.
The beneficial effects of the utility model are:
1) filament adopts three-dimensional beveled structure, on the one hand can multi-angle, multilayer stereo is luminous, and light-emitting area is large, and luminous efficiency is high, good illumination effect; The substrate and the sealing that need are on the other hand few, in ensureing certain luminous efficiency, have reduced cost;
2) substrate top is connected on the wiring annulus of heat sink outer rim, and the heat on substrate can pass through heat sink Quick diffusing, has reduced the heat accumulation at filament top, can effectively avoid filament to produce tropical island effect;
3) effectively improved the colour rendering index of white light source, produced without obvious light decay phenomenon, white-light spectrum composition is abundant, more approaches natural daylight, is almost continuous spectrum, makes this LED filament can be applicable to the colour developing to light source and requires high place;
4) adopt transparency carrier, 360 ° of light are unobstructed, and the both sides of substrate are provided with illuminating module, realized full angle stereo luminous and irradiate.
Brief description of the drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model plan structure schematic diagram;
Fig. 3 is the utility model board structure schematic diagram;
In figure, the anodal connecting ring of 1-, 2-negative pole connecting ring, 3-positive terminal, 4-negative terminal, 5-substrate, 6-wiring annulus, 7-heat sink, 8-LED illuminating module, 9-adhesive layer.
Detailed description of the invention
Below in conjunction with accompanying drawing, the technical solution of the utility model is described in further detail, but protection domain of the present utility model is not limited to the following stated.
As depicted in figs. 1 and 2, anti-tropical island effect umbrella shape LED filament, it comprises anodal connecting ring 1 and negative pole connecting ring 2, and anodal connecting ring 1 is connected with positive terminal 3, and negative pole connecting ring 2 is connected with negative terminal 4; On anodal connecting ring 1 and negative pole connecting ring 2, be all connected with at least one substrate 5, each substrate 5 is umbrella shape to be arranged, one end of each substrate 5 is connected on anodal connecting ring 1 and negative pole connecting ring 2, and the other end is connected to the outer rim of wiring annulus 6.
The inner side of described wiring annulus 6 is provided with heat sink 7, and the outer rim of heat sink 7 is connected with 6 contacts of wiring annulus, and contact connects the heat-conductive characteristic having ensured between wiring annulus 6 and heat sink 7.
As shown in Figure 3, the both sides of described each substrate 5 are provided with LED illuminating module 8, and the surface of substrate 5 and LED illuminating module 8 is coated with adhesive layer 9.
The LED illuminating module 8 of described each side includes blue-light LED chip and the red LED chip of multiple mutual series connection.
Described adhesive layer 9 is yellow fluorescence adhesive layer.
As further improvement of the utility model, described substrate 5 is transparency carrier, and 360 ° of light are unobstructed, realized full angle stereo luminous and irradiate.
In the utility model lighting process, blue-light LED chip sends blue light, yellow fluorescence adhesive layer is stimulated and sends gold-tinted, blue light and gold-tinted coordinate formation white light, compensate by red LED chip again, can effectively widen the spectral region of ruddiness, it is complementary that red light wavelength crest region and the blue-light LED chip that red LED chip excites excites the wavelength valley regions of the look ripple of yellow fluorescence adhesive layer generation to overlap, compensation effect is good, improve the colour developing coefficient of white light source, white-light spectrum composition is abundant, more approach natural daylight, it is almost continuous spectrum, can meet the develop the color user demand in the place of having relatively high expectations of light source.
The above is only preferred embodiment of the present utility model, be to be understood that the utility model is not limited to disclosed form herein, should not regard the eliminating to other embodiment as, and can be used for various other combinations, amendment and environment, and can, in contemplated scope described herein, change by technology or the knowledge of above-mentioned instruction or association area.And the change that those skilled in the art carry out and variation do not depart from spirit and scope of the present utility model, all should be in the protection domain of the utility model claims.
Claims (6)
1. anti-tropical island effect umbrella shape LED filament, is characterized in that: it comprises anodal connecting ring (1) and negative pole connecting ring (2), anodal connecting ring (1) is connected with positive terminal (3), and negative pole connecting ring (2) is connected with negative terminal (4); On anodal connecting ring (1) and negative pole connecting ring (2), be all connected with at least one substrate (5), each substrate (5) is umbrella shape and arranges, one end of each substrate (5) is connected to anodal connecting ring (1) and negative pole connecting ring (2) is upper, and the other end is connected to the outer rim of wiring annulus (6).
2. anti-tropical island effect umbrella shape LED filament according to claim 1, is characterized in that: the inner side of described wiring annulus (6) is provided with heat sink (7), and the outer rim of heat sink (7) is connected with wiring annulus (6) contact.
3. anti-tropical island effect umbrella shape LED filament according to claim 1, is characterized in that: the both sides of described each substrate (5) are provided with LED illuminating module (8), and the surface of substrate (5) and LED illuminating module (8) is coated with adhesive layer (9).
4. anti-tropical island effect umbrella shape LED filament according to claim 3, is characterized in that: the LED illuminating module (8) of described each side includes blue-light LED chip and the red LED chip of multiple mutual series connection.
5. anti-tropical island effect umbrella shape LED filament according to claim 3, is characterized in that: described adhesive layer (9) is yellow fluorescence adhesive layer.
6. anti-tropical island effect umbrella shape LED filament according to claim 1, is characterized in that: described substrate (5) is transparency carrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420266907.8U CN203848063U (en) | 2014-05-23 | 2014-05-23 | Heat-island effect preventive umbrella-type light-emitting diode (LED) filament |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420266907.8U CN203848063U (en) | 2014-05-23 | 2014-05-23 | Heat-island effect preventive umbrella-type light-emitting diode (LED) filament |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203848063U true CN203848063U (en) | 2014-09-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420266907.8U Expired - Fee Related CN203848063U (en) | 2014-05-23 | 2014-05-23 | Heat-island effect preventive umbrella-type light-emitting diode (LED) filament |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203848063U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017041710A1 (en) * | 2015-09-11 | 2017-03-16 | 葛铁汉 | Led substrate for spatial multi-angle light emission, package, and lamp bulb |
-
2014
- 2014-05-23 CN CN201420266907.8U patent/CN203848063U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017041710A1 (en) * | 2015-09-11 | 2017-03-16 | 葛铁汉 | Led substrate for spatial multi-angle light emission, package, and lamp bulb |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140924 Termination date: 20210523 |