CN204512988U - A kind of LED - Google Patents

A kind of LED Download PDF

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Publication number
CN204512988U
CN204512988U CN201420866703.8U CN201420866703U CN204512988U CN 204512988 U CN204512988 U CN 204512988U CN 201420866703 U CN201420866703 U CN 201420866703U CN 204512988 U CN204512988 U CN 204512988U
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CN
China
Prior art keywords
led
substrate
filament
light source
lamp holder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201420866703.8U
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Chinese (zh)
Inventor
邱俊杰
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Sea Ningbo Nat's Lighting Co Ltd
Original Assignee
Sea Ningbo Nat's Lighting Co Ltd
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Filing date
Publication date
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Priority to CN201420866703.8U priority Critical patent/CN204512988U/en
Application granted granted Critical
Publication of CN204512988U publication Critical patent/CN204512988U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a kind of LED, comprise filament, lampshade, lamp holder and driving power, described filament is made up of the substrate with illuminator, it is inner that described driving power is arranged at described lamp holder, described lampshade sealing is arranged at the perisporium place at described lamp holder top, light source fixed head is arranged in airtight cavity that described lamp holder and described lampshade formed and described light source fixed head is positioned at the center of described lamp holder, described filament be fixed on the center of described light source fixed head and the light-source structure of described filament be annular, polygon, petal or butterfly shape.LED of the present utility model can form the beam angle of approximate 360 degree, and LED of the present utility model has good heat dissipation effect, and filament moulding is unique, various structures, can according to the advantage of user's Demand Design filamentray structure.

Description

A kind of LED
Technical field
The utility model relates to field of LED illumination, particularly relates to the LED that a kind of rising angle is similar to 360 degree.
Background technology
As everyone knows, the epoch-making significance brought to the mankind of Edison invented incandescent lamp.Traditional incandescent lighting has inveteracy status to the mankind, but since entering new 21 century, due to the appearance of environmental protection more, energy-conservation LED light source new technology, has made people have to gradually abandon using conventional incandescent tengsten lamp.But the LED bulb on existing market is solid-state illumination one side luminous characteristics because of it, the overwhelming majority is luminous lower than 180 degree of low-angles.At present, although there are some LEDbulb lamp can accomplish wide-angle Light distribation, the optical elements such as a large amount of reflectors, lens are employed, the diffusing globe cell-shell that device is larger.But be make LED light imitate to reduce by this kind of mode one, two is make LED bulb need to greatly reduce heat-dissipating space when maintaining and substituting form, thus when making LED work, temperature remains high, and LED power cannot be done greatly.Meanwhile, existing large-angle LED bulb lamp all needs to use diffusion shell to carry out astigmatism, and illuminating effect and traditional incandescent lamp also have larger gap.
Therefore, LED can not replace conventional incandescent completely.Traditional incandescent lamp is because of its wide-angle luminescence, the feature of three-dimensional illumination and the promotion of prevailing custom of missing old times or old friends, and it still also exists huge market.Now also there is the LED pompon bubble technology of similar imitative conventional incandescent both at home and abroad successively.Such as adopt transparent glass or pottery as the bearing substrate of LED chip, then carry out light-source encapsulation, then continue to use the equipment and process of conventional incandescent to carry out.Although this kind of its process stabilizing of scheme is reliable, the heat radiation of LED light source but can not get good solution.This is because have employed thermal conductivity factor is not that very high glass ceramic baseplate is as conductor, even if be filled with inert gas at bulb, strengthen convection current, extend the life-span, but LED light source still can not get good heat radiation, thus have a strong impact on the service life of LED bulb.Further, the encapsulation of this kind of scheme, assemble its technique also more complicated, production cost is higher.
Application publication number is that the Chinese patent of CN103712106A discloses the all-round smooth LED bulb of a kind of wide-angle.This invention utilizes the gas of low viscosity, high thermal conductivity to fill to dispel the heat, simultaneously by utilizing the LED strip shape filament light sources of comprehensive bright dipping, and reasonably optimize its spatial arrangement in the bulb, thus obtain all-round optical illumination and desirable LED bulb of dispelling the heat.Although this invention can obtain larger beam angle but its structure is still comparatively complicated, wherein, the fixing needs of bar shaped filament relies on the stem stem being arranged on bulb.And stem stem is generally ceramic material, easily crisp, easily increase the scrappage of product; And due to its fragility, stem stem installs also very inconvenient.Meanwhile, bar-shaped LED omnidirectional filament and the conduction of extraneous power supply are connected needs first, second connect wire, and this adds the quantity of bulb solder joint undoubtedly, makes assembling product complex procedures, is unfavorable for the quick assembling realizing product.In addition; this invention is by filling the mist of hydrogen and helium as heat radiation protection gas; although the heaviness of eliminating and the radiator be in the light again; but the heat transference efficiency of gas is fast not as good as the efficiency of conducting heat between solid all the time; therefore; dispel the heat with the mist of hydrogen and helium, its radiating efficiency is unsatisfactory.
Utility model content
For the deficiency of prior art, the utility model provides a kind of LED, comprise filament, lampshade, lamp holder and driving power, described filament is made up of the substrate with illuminator, it is inner that described driving power is arranged at described lamp holder, described lampshade sealing is arranged at the perisporium place at described lamp holder top, light source fixed head is arranged in airtight cavity that described lamp holder and described lampshade formed and described light source fixed head is positioned at the center of described lamp holder, described filament is fixed on the center of described light source fixed head and the light-source structure of described filament is annular, polygon, petal or butterfly shape.
According to a preferred embodiment, offer the line of rabbet joint at described substrate surface, make to carry out combined deformation according to the predetermined described line of rabbet joint and can obtain required substrate shape.Described combined deformation mode can be folding and/or bending mode
According to a preferred embodiment, described substrate is metal substrate, it comprises illuminating part, described illuminator comprises LED chip and fluorescent powder, multiple described LED chip is arranged on described illuminating part with series connection and/or parallel way, and described fluorescent powder is arranged on described substrate in the mode of coated described LED chip and described illuminating part.
According to a preferred embodiment, described fluorescent powder is formed as the structure with arc exiting surface in the mode of a glue or injection mo(u)lding.
According to a preferred embodiment, be provided with protection glue-line between described LED chip and described fluorescent powder to cover multiple described LED chip and distribution solder joint on the substrate.
According to a preferred embodiment, described substrate also comprises installation portion, and described installation portion comprises installation bayonet socket, and the outer peripheral edge region of installation portion described in described installing card opening's edge is arranged.
According to a preferred embodiment, described light source fixed head is provided with and is inserted and secured on described light source fixed head to make described filament with the slot of the installation portion Corresponding matching of described substrate.
According to a preferred embodiment, described slot is arranged at the center of described light source fixed head and described slot is in-line, cross, Y-shaped, T-shaped, X font, H font or F font.
According to a preferred embodiment, be provided with electrode on the substrate, described electrode is arranged on on the surface of multiple described LED chip homonymy in the mode not affecting multiple described LED chip light extraction, and the quantity of described electrode is at least 2, and described electrode is electrically connected to described driving power.
According to a preferred embodiment, described lampshade is spherical in shape, hemispherical, Pear-Shaped, mushroom-shaped, taper, for forming the flamboyancy of LED candle lamp, blistered or polyhedral structure.
LED of the present utility model, by designing the filamentray structure of given shape, to obtain the beam angle of approximate 360 degree, designed filament moulding is unique, various structures, can according to user's Demand Design filamentray structure.On the other hand, the utility model abandons the not only heavy but also radiator that is in the light, select metal substrate that reflective thermal conductivity is fabulous as LED chip supporting body, simultaneously direct by the encapsulation of LED chip paster on metallic substrates, this is with the mist formed by inert gas or inert gas and hydrogen as compared with heat eliminating medium, and its heat conduction efficiency is faster.
Accompanying drawing explanation
Fig. 1 is the structure chart of a preferred embodiment of LED of the present utility model;
Fig. 2 is the filamentray structure figure of the LED shown in the utility model Fig. 1;
Fig. 3 is the structure chart of filament before gluing of the LED shown in the utility model Fig. 1;
Fig. 4 is the top view of the light source fixed head of the LED shown in the utility model Fig. 1;
Fig. 5 is the structure chart of another preferred embodiment of LED of the present utility model;
Fig. 6 is the filamentray structure figure of the LED shown in the utility model Fig. 5;
Fig. 7 is the structure chart of filament before gluing of the LED shown in the utility model Fig. 5; With
Fig. 8 is the top view of the light source fixed head of the LED shown in the utility model Fig. 5.
Reference numerals list
100:LED filament 101: illuminator 102: substrate
103:LED chip 104: fluorescent powder 110: illuminating part
111: installation portion 112: the line of rabbet joint 113: electrode
114: bayonet socket 200:LED lamp 201 is installed: lampshade
202: driving power 203: lamp holder 204: light source fixed head
205: slot
Detailed description of the invention
Need to carry out following explanation about the term involved by the utility model:
" illuminator " also can be called light-emitting component, luminescent device, light source body, luminescent layer, illuminated component etc.; " fluorescent powder " also can be called phosphor powder layer, phosphor structure, phosphor gel, colloid layer, wavelength conversion body, Wavelength transformational structure, arogel layer, encapsulated layer etc.
Below in conjunction with drawings and Examples, the utility model is described in detail.
See Fig. 1 or Fig. 5, a kind of LED 200 of the present utility model, comprises filament 100, lampshade 201, lamp holder 203 and driving power 202.Filament 100 is made up of the substrate 102 with illuminator 101, as shown in Figure 2.It is inner that driving power 202 is arranged at lamp holder 203.Lampshade 201 sealing is arranged at the perisporium place at lamp holder 203 top.Light source fixed head 204 is arranged at the center that the interior and light source fixed head 204 of airtight cavity that lamp holder 203 and lampshade 201 formed is positioned at lamp holder 203.Filament 100 is fixed on the center of light source fixed head 204 and the light-source structure of filament 100 is annular, polygon, petal or butterfly shape.Designed filament moulding is unique, various structures, can obtain the beam angle of approximate 360 degree, and can according to user's Demand Design filamentray structure.
According to a preferred embodiment, offer the line of rabbet joint 112 on substrate 102 surface, make to carry out combined deformation according to the predetermined line of rabbet joint 112 and can obtain required substrate shape, as shown in Figure 7.According to a preferred embodiment, plane substrate 102 forms the substrate 102 of stereo structure by folding or diastrophic mode, thus the illuminator 101 arranged on substrate 102 can with the three-dimensional LED light source of the deformation construction of substrate 102.The distortion of substrate herein can realize by manpower or other instruments extraneous.This line of rabbet joint 112 can be one side V groove, circular trough or square groove.
See Fig. 3 or Fig. 7, substrate 102 is metal substrate.Substrate 102 comprises illuminating part 110.Illuminator 101 comprises LED chip 103 and fluorescent powder 104, as shown in Figure 2.Continue see Fig. 3 or Fig. 7, multiple LED chip 103 is arranged on illuminating part 110 with series connection and/or parallel way.Fluorescent powder 104 is arranged on substrate 102 in the mode of coated LED chip 103 and illuminating part 110, as shown in Figure 2 and Figure 6.The utility model selects metal substrate that reflective thermal conductivity is fabulous as LED chip supporting body, and relative to ceramic substrate or the mist that formed by inert gas or inert gas and hydrogen as compared with heat eliminating medium, its heat conduction efficiency is faster.This metal substrate is preferably copper base or aluminium base.Fluorescent powder 104 to be arranged on continuously on metal substrate 102 thus multiple LED chip 103 all to be covered.The benefit of this packaged type is, can by comprehensive for LED chip covering, and the light that each face of LED chip is sent all enters into fluorescent powder, can not omit any light, greatly improves the utilization rate to LED chip light.
According to a preferred embodiment, fluorescent powder 104 is formed as the structure with arc exiting surface in the mode of a glue or injection mo(u)lding.These two kinds of molding modes are specially: the LED fluorescent glue directly using high thixotropic, prevents from trickling on filament substrate, realize the filament of certain radian; Adopt molding mould injecting glue scheme, LED fluorescent glue good for proportioning by mould and injection-moulding device directly in the arc-shaped.Two kinds of embodiments can realize the cambered surface exiting surface of fluorescent powder.
According to the preferred embodiment that in figure, is not shown, be provided with protection glue-line between LED chip 103 and fluorescent powder 104 to cover multiple LED chip 103 and distribution solder joint on substrate 102.Before applying fluorescent powder 104, the protection glue-line of high index is set in the mode covering multiple LED chip 103 and distribution solder joint on substrate 102.This protection glue-line is preferably the transparent colloid of refractive index more than 1.52.Resin compounded solidify to form by this transparent colloid, has that refractive index is high, light transmission good, anti-lightly to decline, the characteristic such as ageing-resistant and moisture resistance.Can available protecting LED chip and solder joint is on substrate 102 set by arranging protection glue-line, avoid LED chip and solder joint to make moist, thus cause short circuit.
Continue see Fig. 3 and Fig. 7, substrate 102 also comprises installation portion 111.Installation portion 111 comprises installs bayonet socket 114.Installation bayonet socket 114 is arranged along the outer peripheral edge region of installation portion 111.The mode that buckle connects, it is simple to operation.
As shown in Figure 4 and Figure 8, light source fixed head 204 is provided with is inserted and secured on light source fixed head 204 to make filament 100 with the slot 205 of installation portion 111 Corresponding matching of substrate 102.In assembling process, only filament 100 need be inserted into after inside corresponding slot 205, then can realize being connected and fixed of filament by simple welding, it is simple, convenient to install.
According to a preferred embodiment, slot 205 is arranged at the center of light source fixed head 204 and slot 205 is in-line, cross, Y-shaped, T-shaped, X font, H font or F font.Wherein, the shape of slot and the quantity of jack determine according to the quantity of substrate.
Continue see Fig. 3 and Fig. 7, be provided with electrode 113 on substrate 102.Electrode 113 is arranged on on the surface of multiple LED chip 103 homonymy in the mode not affecting the bright dipping of multiple LED chip 103.And the quantity of electrode 113 is at least 2.Electrode 113 is electrically connected to driving power 202.
According to a preferred embodiment, lampshade 201 is spherical in shape, hemispherical, Pear-Shaped, mushroom-shaped, taper, for forming the flamboyancy of LED candle lamp, blistered or polyhedral structure.The shape of lampshade is not limited thereto, can according to the demand designed, designed of user.
Below in conjunction with accompanying drawing and two preferred embodiments of the present utility model, the utility model is further illustrated.
Embodiment 1
Shown in Fig. 1 is the structure chart of a preferred embodiment of the utility model LED, comprises filament 100, lampshade 201, driving power 202, lamp holder 203 and light source fixed head 204.Filament 100 is made up of the substrate 102 with illuminator 101, as shown in Figure 2.In the mounted state, it is inner that driving power 202 is arranged at lamp holder 203, and lampshade 201 sealing is arranged at the perisporium place at lamp holder 203 top.Light source fixed head 204 is arranged at the center that the interior and light source fixed head 204 of airtight cavity that lamp holder 203 and lampshade 201 formed is positioned at lamp holder 203, and filament is fixed on the center of light source fixed head 204.A preferred embodiment as shown in Figure 1, lampshade 201 is in flame-shaped, and the light-source structure of filament 100 is spherical in shape, but the utility model is not limited in this.
See Fig. 3, illuminating part 110 is rounded.The fluorescent powder 104 be arranged on illuminating part 110 is hemispherical, as shown in Figure 2.In the mounted state, two with the substrate 102 of hemispherical fluorescent powder 104 by being combined to form spherical LED light source.
After the preparation completing filament, be inserted into again by simple welding to light source fixed head 204 as shown in Figure 4, to make LED silk 100 fixing and to be connected with extraneous power supply conductivity.In the present embodiment, slot 205 is in in-line, and slot 205 both sides are provided with both positive and negative polarity.
Embodiment 2
Shown in Fig. 5 is the structure chart of another preferred embodiment of the utility model LED, comprises filament 100, lampshade 201, driving power 202, lamp holder 203 and light source fixed head 204.Filament 100 is made up of the substrate 102 with illuminator 101.In the mounted state, it is inner that driving power 202 is arranged at lamp holder 203, and lampshade 201 sealing is arranged at the perisporium place at lamp holder 203 top.Light source fixed head 204 is arranged at the center that the interior and light source fixed head 204 of airtight cavity that lamp holder 203 and lampshade 201 formed is positioned at lamp holder 203, and filament is fixed on the center of light source fixed head 204.A preferred embodiment as shown in Figure 5, lampshade 201 is spherical in shape, the light-source structure heart-shaped structure in the form of a ring of filament 100, but the utility model is not limited in this.In order to ensure that LED silk one way or another sends uniform light, three substrates 102 form 120 ° of angles by folding or bending mode.
See Fig. 6 and Fig. 7, illuminating part 110 heart-shaped structure in the form of a ring, correspondingly, the fluorescent powder 104 being arranged on its surface also heart-shaped structure in the form of a ring.In installation process, substrate 102 folds according to the line of rabbet joint 112, becomes stereo structure structure by planar structure, then the substrate in combination of three stereo structures is formed the heart-shaped LED light source of solid as shown in Figure 5.
After the preparation completing filament, to be inserted into light source fixed head 204 as shown in Figure 8 again by simple welding, with make LED silk 100 fixing and with extraneous power supply conductivity.In the present embodiment, slot 205 is roughly in Y-shaped.The slot 205 of Y-shaped comprises shape, measure-alike three jacks, and each jack both sides are respectively equipped with positive and negative electrode.
What deserves to be explained is, above-mentioned two embodiments are two preferred embodiments of the present utility model, and the utility model is not limited in this.Wherein, the planform of illuminating part 110, the shape of lampshade 201, the planform of fluorescent powder 104 can carry out multiple change under the guidance of technical solutions of the utility model.Further, the arrangement mode on substrate 102 of the line of rabbet joint 112 and electrode 113 needs to form corresponding adjustment according to the concrete structure of substrate, is not limited in above-mentioned two embodiments or the mode described in accompanying drawing.
It should be noted that; above-mentioned specific embodiment is exemplary; those skilled in the art can find out various solution under the inspiration of the utility model disclosure, and these solutions also all belong to open scope of the present utility model and fall within protection domain of the present utility model.It will be understood by those skilled in the art that the utility model description and accompanying drawing thereof are illustrative and not form limitations on claims.Protection domain of the present utility model is by claim and equivalents thereof.

Claims (10)

1. a LED (200), comprise filament (100), lampshade (201), lamp holder (203) and driving power (202), it is characterized in that, described filament (100) is made up of the substrate (102) with illuminator (101), it is inner that described driving power (202) is arranged at described lamp holder (203), described lampshade (201) sealing is arranged at the perisporium place at described lamp holder (203) top, light source fixed head (204) is arranged in airtight cavity that described lamp holder (203) and described lampshade (201) formed and described light source fixed head (204) is positioned at the center of described lamp holder (203), described filament (100) is fixed on the center of described light source fixed head (204) and the light-source structure of described filament (100) is annular or polygon.
2. LED (200) as claimed in claim 1, it is characterized in that, offer the line of rabbet joint (112) on described substrate (102) surface, make to carry out combined deformation according to the predetermined described line of rabbet joint (112) and required substrate shape can be obtained.
3. LED (200) as claimed in claim 2, it is characterized in that, described substrate (102) is metal substrate, and it comprises illuminating part (110),
Described illuminator (101) comprises LED chip (103) and fluorescent powder (104),
Multiple described LED chip (103) is to connect and/or parallel way is arranged on described illuminating part (110), and described fluorescent powder (104) is arranged on described substrate (102) in the mode of coated described LED chip (103) and described illuminating part (110).
4. LED (200) as claimed in claim 3, it is characterized in that, described fluorescent powder (104) is formed as the structure with arc exiting surface in the mode of a glue or injection mo(u)lding.
5. LED (200) as claimed in claim 4; it is characterized in that, be provided with protection glue-line between described LED chip (103) and described fluorescent powder (104) with the solder joint covering multiple described LED chip (103) and be distributed on described substrate (102).
6. LED (200) as claimed in claim 5, it is characterized in that, described substrate (102) also comprises installation portion (111), described installation portion (111) comprises installs bayonet socket (114), and described installation bayonet socket (114) is arranged along the outer peripheral edge region of described installation portion (111).
7. LED (200) as claimed in claim 6, it is characterized in that, described light source fixed head (204) is provided with and is inserted and secured on described light source fixed head (204) to make described filament (100) with the slot (205) of the installation portion of described substrate (102) (111) Corresponding matching.
8. LED (200) as claimed in claim 7, it is characterized in that, described slot (205) be arranged at the center of described light source fixed head (204) and described slot (205) be in-line, cross, Y-shaped, T-shaped, X font, H font or F font.
9. LED (200) as claimed in claim 8, it is characterized in that, described substrate (102) is provided with electrode (113), described electrode (113) is arranged on on the surface of multiple described LED chip (103) homonymy in the mode not affecting the bright dipping of multiple described LED chip (103), and the quantity of described electrode (113) is at least 2, described electrode (113) is electrically connected to described driving power (202).
10. LED (200) as claimed in claim 9, it is characterized in that, described lampshade (201) is spherical in shape, hemispherical, Pear-Shaped, taper, for forming the flamboyancy of LED candle lamp, blistered or polyhedral structure.
CN201420866703.8U 2014-12-30 2014-12-30 A kind of LED Expired - Fee Related CN204512988U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420866703.8U CN204512988U (en) 2014-12-30 2014-12-30 A kind of LED

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420866703.8U CN204512988U (en) 2014-12-30 2014-12-30 A kind of LED

Publications (1)

Publication Number Publication Date
CN204512988U true CN204512988U (en) 2015-07-29

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CN201420866703.8U Expired - Fee Related CN204512988U (en) 2014-12-30 2014-12-30 A kind of LED

Country Status (1)

Country Link
CN (1) CN204512988U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106764530A (en) * 2017-01-10 2017-05-31 佛山电器照明股份有限公司 A kind of LED bulb

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106764530A (en) * 2017-01-10 2017-05-31 佛山电器照明股份有限公司 A kind of LED bulb

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20150729

Termination date: 20161230