CN102444843A - Novel light-emitting diode (LED) lamp - Google Patents
Novel light-emitting diode (LED) lamp Download PDFInfo
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- CN102444843A CN102444843A CN2011103512046A CN201110351204A CN102444843A CN 102444843 A CN102444843 A CN 102444843A CN 2011103512046 A CN2011103512046 A CN 2011103512046A CN 201110351204 A CN201110351204 A CN 201110351204A CN 102444843 A CN102444843 A CN 102444843A
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Abstract
The invention discloses a novel light-emitting diode (LED) lamp, which comprises LED chips (3) and a base band (4) which is an aluminum base board or a soft band coated with a copper sheet. The LED chips (3) are welded on the base band (4) through reflow soldering, and the LED chips (3) on the base band (4) are tightly connected so as to achieve serial connection or parallel connection. The base band is the aluminum base board or the soft band coated with the copper sheets so that a light band formed by the LED chips and the base band can be bent or deformed to form an irregular LED chip band different from a flat type LED chip, accordingly various irregular LED lamps can be manufactured conveniently.
Description
Technical field
The invention belongs to lighting technical field, relate in particular to a kind of LED light fixture.
Background technology
In recent years, lamp ornaments lighting has been obtained the development of expansion type. along with global incandescent lamp is eliminated plan, and " low-carbon (LC) illumination " market environment of China, the energy-saving health illumination has become the main flow of lamp ornaments lighting industry; Along with the raising of the household level of consumption, let lamp decoration fashion, human oriented design become the characteristic culture of the high-end consumption of illuminating industry.
Under favourable policy drove, domestic LED Lighting Industry development environment was optimistic, and market potential is huge.Constantly break through the restriction of conventional light source based on the LED luminous efficiency, technical guarantee is provided for LED marches Lighting Industry.
Nowadays, the LED illuminating product is used increasing, the applied environment of the hall in hotel, multifunctional hall, office building, market even family.Be not difficult to find that hotel's illumination will be that of LED commercial lighting uses epitome.
Development coloured light controllable variations, the brightness light and shade is adjustable, and no stroboscopic starts fast, and is quiet noiseless; High efficiency light output, no fuel factor, the life-span is long, and is energy-efficient; Bright even light, illumination range is big, and Gao Zhi, succinct, attractive in appearance, generous LED lamp decoration are the requirements in epoch, are the needs in market.
Yet there are many weak points in current LED light fixture, mainly contains:
(1) milky white bulb lamp adopts direct-injection type luminous, and even light effect is to lay a milky white shape outer cover at the shell of lamp to realize.Its weak point is: the direct-injection type led light source, and nearer apart from outer cover, make emergent light reach even light effect and will use even light shield thicker or that filler is more, sacrificed the brightness of light, general light extinction rate is everlasting about 30%.
(2) dull and stereotyped even light modulation, its weak point is:
1. can only produce plane effect, moulding is simple, and application is narrow, can not make small-sized and special-shaped light fixture;
2. the consumptive material kind is many, and the production material cost is high;
3. the production equipment input is many, and production has high input, and process route is long;
4. can not be controlled, can not light modulation, constant color;
5. the pip complex design of laser technology, the pip life-span that printing ink is printed is short, owing to the easy yellow of printing ink reason causes light decay;
6. brightness receives the appearance structure restriction, can not arbitrarily increase light source and brightness;
7. power volume is big, and weight is big, can only use external power supply;
8. be difficult for dustproof, sealing.
Trace it to its cause, the led chip of LED light fixture is flat at present, makes the LED light fixture be generally flat; Be difficult to make special-shaped light fixture (so-called special-shaped light fixture differs from the plate type LED light fixture exactly), even make special-shaped light fixture; Also be on flat led chip, to install special-shaped lampshade additional; Will make emergent light reach even light effect like this and will use even light shield thicker or that filler is more, thereby sacrifice the brightness of light, general light extinction rate is everlasting about 30%.
Summary of the invention
Main purpose of the present invention provides the flexible and changeable Novel LED lamp of a kind of moulding.
For reaching above-mentioned purpose, technical scheme of the present invention is: a kind of Novel LED lamp, and it comprises led chip and base band; Base band is that aluminium base or soft band cover copper sheet; Led chip is welded on the base band through Reflow Soldering, and the led chip on the base band closely links to each other, and carries out series and parallel.In the present technique scheme; Owing to adopted aluminium base or soft band to cover copper sheet as base band; Therefore the light belt of led chip and base band composition can flexural deformation, just can form the special shaped LED chip belt that differs from the plate type LED chip, thereby can make various special shaped LED light fixtures easily.
As a kind of improvement of the present invention; This Novel LED lamp also comprises even light light conductor, and said even light light conductor has microbead layer, the reflecting layer of leaded light main body, high reflectance, and microbead layer is bonded in the medial surface of leaded light main body; Bonding one deck is the reflecting layer of molecule aluminium film or TiO 2 particles behind microbead layer; Leaded light external side of main body face is an exiting surface, and the light that led chip sends is injected from the light inlet end face of leaded light main body, penetrates from leaded light external side of main body face.Adopt this technical scheme, the light of incident is carried out total reflection in the leaded light main body, and in the process of total reflection, light through the turning back of microbead layer and reflecting layer, makes the exiting surface of the vertical directive leaded light of light main body at inwall, thereby obtains uniform light output.
As a kind of improvement of the present invention; This Novel LED lamp is equipped with prism on the end face of its leaded light main body, and the cross section of prism is a right angled triangle; The edged surface always of prism and the end face of leaded light main body are closely connected, and another right angle face of prism and the led chip on the base band are close to.Adopt this technical scheme; Base band is arranged along the end face of leaded light main body; Owing to can utilize the flexible performance of base band; Thereby the leaded light main body can be made multiple shape, and (its end face) through the injection moulding form, and lamp body can be annular, oval ring, cylindrical, heart-shaped, spherical, waveform and various sculpture profile
As a kind of improvement of the present invention, the exiting surface of said leaded light main body has the even photosphere of diffuse reflection, and the even photosphere of said diffuse reflection can obtain through the sandblast polishing process.Adopt this technical scheme, the transmitance of the light of the even photosphere of diffuse reflection can be controlled in 88%～90%, though reduced the transmitance of some light, can further improve even light effect.
As a kind of improvement of the present invention, said base band is attached on the aluminium alloy heat radiation hoop, band radiating fin in the heat radiation hoop.
As a kind of improvement of the present invention, place the red, green, blue three primary light source in the lamp body of said led chip.
The patent art product can be changed the deficiency of ball bubble opal lamp and flat lamp, and external form is flexible and changeable, and main body adopts the fire proofing of plastic high leaded light, high reflection and high even light, can embed smallpox, and the suspension body of wall is hung on the hall, guest room; The design lamp can be interspersed interior decoration, is used environmental requirement, is beneficial to take into account to decorate and illumination.
Description of drawings
Fig. 1 is the cross-sectional view of Novel LED lamp;
Fig. 2 is the structural representation of even light light conductor;
Fig. 3 is microballon principle of reflection figure.
Description of reference numerals: heat radiation hoop 1, prism 2, base band 3, heat radiation hoop 4, sheet power supply 5, reflecting layer 6, microbead layer 7, the even photosphere 8 of diffuse reflection, leaded light main body 9, even light light conductor 10.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is done further detailed explanation, but the present invention is not limited to following examples of implementation.
A kind of Novel LED lamp as illustrated in fig. 1 and 2, it comprises led chip 3, base band 4, even light light conductor 10, prism 2.Base band 4 is for aluminium base or soft band cover copper sheet, and led chip 3 is welded on the base band 4 through Reflow Soldering, and the led chip 3 on the base band 4 closely links to each other, and carries out series and parallel.Arrow is represented radiation direction among the figure.
Even light light conductor 10 is made up of leaded light main body 9, microbead layer 7, reflecting layer 6; Leaded light main body 9 usefulness high light transmittance ratio transparent materials are processed; The microbead layer 7 of high reflectance is bonded in the medial surface of leaded light main body 9; In the reflecting layer 6 of microbead layer 7 back bonding one deck molecule aluminium films or TiO 2 particles, the light that led chip 3 sends is incident on the light inlet end face of leaded light main body 9, and the lateral surface of leaded light main body 9 is an exiting surface.Have diffuse reflection to spare photosphere 8 on the exiting surface, the even photosphere 8 of this diffuse reflection can obtain through the sandblast polishing process.Bead diameter is less than 0.001 millimeter, and microbead layer can be bonded to one through the medial surface of technologies such as spraying, bonding and leaded light main body.
Prism 2 is contained on the light inlet end face of leaded light main body 9; The light inlet end face of leaded light main body 9 is through polishing; The cross section of prism 2 is a right angled triangle, and the edged surface always of prism 2 and the light inlet end face of leaded light main body 9 are closely connected, and another right angle face of prism 2 and the led chip 3 on the base band 4 are close to.
In the present embodiment; The cross section of leaded light main body 9 is an annular, and correspondingly, the cross section of prism 2 also is a toroidal; The base band 4 that is welded with led chip 3 is contained in the medial surface of prism 2; The light that led chip 3 sends gets into even light light conductor 10 through the reflection of prism 2, and light carries out total reflection in even light light conductor 10, promoted brightness.To difform leaded light main body, correspondingly adopt difform prism to cooperate with it.
The heat-conducting cream that passes through of base band 4 sticks on the aluminium alloy heat radiation hoop 1, band radiating fin in the heat radiation hoop 1, and radiating fin is not shown.Heat radiation hoop 1 can be made the lid shape, and base band 4, the prism 2 that will contain led chip are contained in wherein, and simultaneously, its ring edge will be spared light light conductor 10 and wale, and fuse with even light light conductor 10.
Place three primary light source in the lamp body of led chip 3, through the control capacittance induction touch panel, can control light fixture and send various colors light, thereby realize any variable color.
The light source of present embodiment is made up of the led chip band of ring-band shape, and the quantity of led chip and power are by light fixture shape and size decision, and led chip can directly be supplied power by the 220V civil power, or disposes the special-purpose sheet power supply 5 of high integrated power supply chip.Sheet power supply 5 can be installed in the inner chamber of even light light conductor 10, does not take space outerpace.
The present invention, from inciding outgoing, light transmits in the space of total reflection light fully in light fixture.
Fig. 3 is microballon principle of reflection figure; As shown in Figure 3; When Ray Of Light shone bead surface within the specific limits at any angle, optically focused was on specific reflecting layer, microballon back owing to the refraction action of microballon, can go back light in the reflecting layer along the light source direction reflected in parallel.When light shines the microballon front surface within the specific limits at any angle; Can be on outermost reflector behind the microballon owing to the high refraction action of microballon with light optically focused; Go back incident ray in the reflecting layer along the incident direction reflected in parallel; Form " turning back " reflection,, penetrate perpendicular to exiting surface after can making the light diffuse reflection through " turning back " reflection repeatedly.Experiment shows: when the refractive index of microballon near 1.9 the time; Incident ray can focus on the back surface of microballon well; " turning back " reflecting effect of this moment is best; When refractive index less than or greater than 1.9 the time, incident ray focuses on little different outside and inside respectively, " turning back " reflecting effect at this moment can slightly descend.Bead diameter is less than 0.1 millimeter, and reflecting effect is good more.Add one deck molecule aluminium film or TiO 2 particles reflecting layer in the back of microballon, the effect of reflection can be better, can reach 99% above reflectivity, promotes 30%～60% brightness.The reflection microbead layer can use different microballon pellets according to the spectral characteristic of light source.
Owing to adopted aluminium base or soft band to cover copper sheet as base band 4; Therefore the light belt formed of led chip 3 and base band 4 can flexural deformation; Just can form the special shaped LED chip belt that differs from the plate type LED chip belt, thereby can make various special shaped LED light fixtures easily.The concrete application has:
1. through plastic uptake and thermoplastic method, can make PMMA cause round barrel shape light fixture or special-shaped light fixture;
2. can make glass material and other hot melt transparent materials cause special-shaped light fixture through hot pressing formation process;
3. can advance light in lamp main body side, top and bottom;
4. can advance the illumination that light is realized different brightness demands in light conductor upper, middle and lower multilayer;
5. light source can be rigid lamp bar, soft lamp bar, ringed lamp bar, special-shaped lamp bar;
6. the small and exquisite built-in sheet power supply of lamp main body configuration is realized the light fixture miniaturization;
7. the light fixture outside can spray modelling pattern.
Below only expressed embodiment of the present invention, it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the patent of invention scope.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the present invention's design, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with accompanying claims.
Claims (6)
1. Novel LED lamp; It comprises led chip (3); It is characterized in that: also comprise base band (4), said base band (4) is for aluminium base or soft band cover copper sheet, and said led chip (3) is welded on the base band (4) through Reflow Soldering; Led chip (3) on the base band (4) closely links to each other, and carries out series and parallel.
2. a kind of Novel LED lamp according to claim 1; It is characterized in that: also comprise even light light conductor (10); Said even light light conductor (10) has microbead layer (7), reflecting layer (6) of leaded light main body (9), high reflectance; Microbead layer (7) is bonded in the medial surface of leaded light main body (9), and bonding one deck is the reflecting layer (6) of molecule aluminium film or TiO 2 particles in microbead layer (7) back, and the lateral surface of leaded light main body (9) is an exiting surface; The light that led chip (3) sends is injected from the light inlet end face of leaded light main body (9), from the lateral surface ejaculation of leaded light main body (9).
3. a kind of Novel LED lamp according to claim 2; It is characterized in that: prism (2) is housed on the incident end face of leaded light main body (9); The cross section of prism (2) is a right angled triangle; The incident end face of the edged surface always of prism (2) and leaded light main body (9) is closely connected, and another right angle face of prism (2) and the led chip (3) on the base band (4) are close to.
4. a kind of Novel LED lamp according to claim 2 is characterized in that: the exiting surface of said leaded light main body (9) has the even photosphere (8) of diffuse reflection, and said diffuse reflection is spared photosphere (8) and can be obtained through the sandblast polishing process.
5. a kind of Novel LED lamp according to claim 3 is characterized in that: said base band (4) is attached on the aluminium alloy heat radiation hoop (1), band radiating fin in the heat radiation hoop (1).
6. a kind of Novel LED lamp according to claim 3 is characterized in that: place the red, green, blue three primary light source in the lamp body of said led chip (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103512046A CN102444843A (en) | 2011-11-09 | 2011-11-09 | Novel light-emitting diode (LED) lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103512046A CN102444843A (en) | 2011-11-09 | 2011-11-09 | Novel light-emitting diode (LED) lamp |
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| Publication Number | Publication Date |
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| CN102444843A true CN102444843A (en) | 2012-05-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011103512046A Pending CN102444843A (en) | 2011-11-09 | 2011-11-09 | Novel light-emitting diode (LED) lamp |
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Citations (8)
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| CN101198216A (en) * | 2008-01-07 | 2008-06-11 | 史杰 | Flexible circuit board of LED illumination array |
| CN101385152A (en) * | 2006-02-14 | 2009-03-11 | Lg伊诺特有限公司 | Light emitting diode and manufacturing method thereof |
| CN201269491Y (en) * | 2008-10-14 | 2009-07-08 | 上海创波光电科技有限公司 | Illumination device used for detecting cylindrical surface defect |
| CN201330950Y (en) * | 2008-12-31 | 2009-10-21 | 广州市鸿利光电子有限公司 | LED lamp tube |
| WO2010006102A2 (en) * | 2008-07-10 | 2010-01-14 | 3M Innovative Properties Company | Retroreflective articles and devices having viscoelastic lightguide |
| CN201753849U (en) * | 2010-06-30 | 2011-03-02 | 联想(北京)有限公司 | Lighting effect device and electronic device |
| CN201866552U (en) * | 2010-09-02 | 2011-06-15 | 吴明番 | Light emitting apparatus covered by optical film layer for LED (light-emitting diode) surface light source |
| CN202327715U (en) * | 2011-11-09 | 2012-07-11 | 肇庆市宝丽灯饰有限公司 | Novel light emitting diode (LED) lamp |
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2011
- 2011-11-09 CN CN2011103512046A patent/CN102444843A/en active Pending
Patent Citations (8)
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| CN101385152A (en) * | 2006-02-14 | 2009-03-11 | Lg伊诺特有限公司 | Light emitting diode and manufacturing method thereof |
| CN101198216A (en) * | 2008-01-07 | 2008-06-11 | 史杰 | Flexible circuit board of LED illumination array |
| WO2010006102A2 (en) * | 2008-07-10 | 2010-01-14 | 3M Innovative Properties Company | Retroreflective articles and devices having viscoelastic lightguide |
| CN201269491Y (en) * | 2008-10-14 | 2009-07-08 | 上海创波光电科技有限公司 | Illumination device used for detecting cylindrical surface defect |
| CN201330950Y (en) * | 2008-12-31 | 2009-10-21 | 广州市鸿利光电子有限公司 | LED lamp tube |
| CN201753849U (en) * | 2010-06-30 | 2011-03-02 | 联想(北京)有限公司 | Lighting effect device and electronic device |
| CN201866552U (en) * | 2010-09-02 | 2011-06-15 | 吴明番 | Light emitting apparatus covered by optical film layer for LED (light-emitting diode) surface light source |
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Application publication date: 20120509 |