CN104819387A - Lighting device - Google Patents
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- CN104819387A CN104819387A CN201510240772.7A CN201510240772A CN104819387A CN 104819387 A CN104819387 A CN 104819387A CN 201510240772 A CN201510240772 A CN 201510240772A CN 104819387 A CN104819387 A CN 104819387A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
A lighting device comprises a substrate, a flexible circuit board, an OLED light source assembly, an LED light source assembly and a transparent waterproof sleeve, wherein the substrate comprises a reflective film, a heat-transferring film and a heat-dissipation film which are arranged in sequence in an overlaying mode. The OLED light source assembly comprises multiple sheet OLED auxiliary light sources which are arranged on the reflective film, and an interval is arranged between two adjacent OLED auxiliary light sources. The LED light source assembly comprises multiple LED auxiliary light sources which are arranged on the reflective film and located in the interval between every two OLED auxiliary light sources. The transparent waterproof sleeve is used for being sleeved outside the substrate, the OLED light source assembly and the LED light source assembly. The substrate has the advantages of being better in heat dissipation performance and bendable due to the overlaying arrangement of the reflective film, the heat-transferring film and the heat-dissipation film in sequence. Moreover, the waterproof performance of the lighting device can be improved through the arrangement of the transparent waterproof sleeve.
Description
Technical field
The present invention relates to lighting technical field, particularly relate to a kind of lighting device.
Background technology
Along with the raising of science and technology constantly progressive and people's aesthetic level, the lighting device of solid shape, namely inflexible lighting device cannot meet people far away in actual life, to higher level aesthetic requirement and artistic experience.And the lighting device that often can bend can be installed better or be fitted on irregular installed surface, the binding face of installed surface and lighting device and exterior object, such as, installed surface is right-angle surface or arc surface, thus the three-dimensional illumination effect more having artistic feeling and aesthetical perception can be built, and then illuminating effect and visual effect better can be obtained.
General, lighting device mainly comprises substrate and is arranged on the emitting components on substrate, and wherein, substrate is for dispelling the heat and providing the installation site needed for emitting components.Actual conditions are, the small volume of emitting components, the impact that its illumination apparatus realizes bending function is also less, and so, the parts affecting the bending function of lighting device realization are generally substrate, at present, the material of substrate obtains primarily of plastics, metal or ceramic preparation, and the bending property of existing substrate is poor, is difficult to meet the demand that lighting device can realize bending function, meanwhile, existing substrate heat dispersion is also poor.
In addition, the water proofing property of existing lighting device is poor, more difficult in the great situation of humidity, especially normally uses on the water surface.
Such as, Chinese patent 200910111522.8 discloses a kind of deformable lighting device, it comprises one first case and one second case, this first case is fixed with one first rotating unit, this second case is fixed with one second rotating unit, this first rotating unit can rotate relative to this second rotating unit, and this first case rotates relative to this second case with the cooperation of this second rotating unit by this first rotating unit.Compared to the prior art, deformable lighting device of the present invention is by the cooperation of the first rotating unit between the first case and the second case and the second rotating unit rotation relation each other, the deformable object realizing lighting device is reached with comparatively simple structure, make lighting device of the present invention be applicable to multiple occasion, meet the individual demand of people.
And for example, Chinese patent 201210586153.X discloses a kind of lighting device, it comprises substrate, multiple light emitting diode and lamp housing, lamp housing offers light-emitting window, substrate is made up of flexible material, the periphery of substrate is embedded in lamp housing periphery, substrate comprises light-emitting area, light-emitting area is arranged towards light-emitting window, multiple light-emitting diode arrangement is in light-emitting area, when substrate is to direction flexural deformation away from light-emitting window, light-emitting area is concave surface, multiple light emitting diode is spot mode arrangement, when substrate is to when the direction flexural deformation of light-emitting window, light-emitting area is convex surface, multiple light emitting diode is flood mode arrangement.Lighting device of the present invention is by selecting flexible material by the substrate of diode installed, under external force can be raised or sunken by light-emitting area, so that floodlight or spot condition can be formed, a lamp for user is dual-purpose provides possibility, also save a large amount of use costs, use more convenient lighter.Simultaneously without the need to carrying two lighting devices, use procedure is more laborsaving.
And for example, Chinese patent 200420117918.6 discloses a kind of lighting device with shape changing lamp base, specifically refers to a kind of lamp stand angle adjustment with lighting device, produces lamp socket composition variation in moulding, presents the lighting device of different visual effect; Described lighting device contains and utilizes a pivot element eccentric pivots to connect first and second lamp socket, makes the lamp socket of its phase fit; One utilizes cover axle unit to be combined in the lamp stand of the second lamp socket; And the positioning unit of adjustment angle, its contain one be arranged on the second lamp socket support shell fragment, and correspondence is molded over the resistance wall in the first lamp socket; The angle adjustment of lamp stand is utilized to operate, synchronous driving second lamp socket with the pivot element of bias for axle center, outwards stretch the composition moulding changed with the first lamp socket, new lamp socket moulding visual sense can be obtained, and by positioning unit between the second lamp socket and the first lamp socket, the elasticity location assistance force of angulation adjustment.
And for example, Chinese patent 201310024855.3 discloses a kind of scalable novel deformation illumination device, comprise bar group part A, drive part B, power input portion C, bar group part A is connected with the revolute pair that strut (8) is formed by bar (6) with drive part B.Bar (5) on bar group part A bar group (IV), bar (6) are connected with bar (7) respectively, the parallelogram formed is identical with upper all the other parallelogram shape formed of bar group (IV), bar (7) is in vertical direction with an angle, and the profile of whole lighting device adjusts by this angle.Drive part B is connected with shaft coupling (14) by leading screw (13) with power input portion C.The bar group part A of lighting device is a space circular arc curved surface, and this curved surface constitutes the main body of lighting device, and bulb for lighting fixture can be placed on each rod member.The convergent-divergent distortion of lighting device is divided into contraction, launches two states, shrink and the degree launched by the time controling of drive motors rotating, the monnolithic case of lighting device is imitative fresh flower shape.
But still there is the poor problem of heat dispersion difference, flexible poor performance and water resistance in lighting device disclosed in above-mentioned patent.
Summary of the invention
Based on this, be necessary to provide a kind of good heat dispersion performance, the flexible and good lighting device of water resistance.
A kind of lighting device, comprising:
Substrate, described substrate comprises the reflectance coating, heat-transfer film and the heat dissipation film that superpose setting successively;
FPC, described FPC is arranged in described heat dissipation film;
OLED light source assembly, described OLED light source assembly comprises the OLED sub-light source of multiple sheet, multiple described OLED sub-light source spread configuration is in described reflectance coating, and being provided with interval between adjacent two described OLED sub-light sources, described OLED sub-light source is electrically connected with described FPC by wire;
LED light source component, described LED light source component comprises multiple LED sub-light source, multiple described LED sub-light source is arranged at described reflectance coating, and in the interval of described LED sub-light source between two described OLED sub-light sources, described LED sub-light source is electrically connected with described FPC by wire; And
Transparent watertight cover, described transparent watertight cover is used for being placed on outside described substrate, described OLED light source assembly and described LED light source component.
Wherein in an embodiment, described transparent watertight cover is hollow rectangle body structure.
Wherein in an embodiment, also comprise air bag, described air bag is arranged at the side of described transparent watertight cover away from described heat dissipation film.
Wherein in an embodiment, the thickness of described transparent watertight cover is 1.5mm ~ 3mm.
Wherein in an embodiment, the material of described transparent watertight cover is PETG.
Wherein in an embodiment, the material of described transparent watertight cover is ethylene vinyl acetate.
Wherein in an embodiment, the material of described transparent watertight cover is PLA.
The substrate of above-mentioned lighting device, by superposing the reflectance coating of setting, heat-transfer film and heat dissipation film successively, can obtain good heat dispersion performance and flexible advantage.In addition, the water resistance of above-mentioned lighting device can be improved by arranging transparent watertight cover.
Accompanying drawing explanation
Fig. 1 is the structural representation of the lighting device of an embodiment of the present invention;
Fig. 2 is the structural representation of another angle of the lighting device shown in Fig. 1;
Fig. 3 is the structural representation of the OLED sub-light source of an embodiment of the present invention;
Fig. 4 is the structural representation of the lighting device of another embodiment of the present invention;
Fig. 5 is the structural representation of the lighting device of another embodiment of the present invention;
Fig. 6 is the structural representation of the lighting device of another embodiment of the present invention;
Fig. 7 is the structural representation of the case of bending of the lighting device shown in Fig. 6;
Fig. 8 is the structural representation of the lighting device of another embodiment of the present invention;
Fig. 9 is the structural representation of the lighting device of another embodiment of the present invention.
Detailed description of the invention
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.Better embodiment of the present invention is given in accompanying drawing.But the present invention can realize in many different forms, is not limited to embodiment described herein.On the contrary, provide the object of these embodiments be make to disclosure of the present invention understand more thorough comprehensively.
It should be noted that, when element is called as " being fixed on " another element, directly can there is element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be directly connected to another element or may there is centering elements simultaneously.Term as used herein " vertical ", " level ", "left", "right" and similar statement just for illustrative purposes, do not represent it is unique embodiment.
Unless otherwise defined, all technology used herein and scientific terminology are identical with belonging to the implication that those skilled in the art of the present invention understand usually.The object of term used in the description of the invention herein just in order to describe concrete embodiment, is not intended to be restriction the present invention.Term as used herein " and/or " comprise arbitrary and all combinations of one or more relevant Listed Items.
Such as, a kind of lighting device, comprising: substrate, and described substrate comprises the reflectance coating, heat-transfer film and the heat dissipation film that superpose setting successively; FPC, described FPC is arranged in described heat dissipation film; OLED light source assembly, described OLED light source assembly comprises the OLED sub-light source of multiple sheet, multiple described OLED sub-light source spread configuration is in described reflectance coating, and being provided with interval between often adjacent two described OLED sub-light sources, described OLED sub-light source is electrically connected with described FPC by wire; LED light source component, described LED light source component comprises multiple LED sub-light source, multiple described LED sub-light source is arranged at described reflectance coating, and in the interval of described LED sub-light source between two described OLED sub-light sources, described LED sub-light source is electrically connected with described FPC by wire; And transparent watertight cover, described transparent watertight cover is used for being placed on outside described substrate, described OLED light source assembly and described LED light source component.
In order to understand above-mentioned lighting device further, another example is, a kind of lighting device, and it comprises the lighting device described in above-mentioned any embodiment.
See also Fig. 1 and Fig. 2, it is respectively the structural representation of two different angles of the lighting device 10 of an embodiment of the present invention.
Lighting device 10 comprises: substrate 100, FPC 200, OLED light source assembly 300 and LED light source component 400.FPC 200, OLED light source assembly 300 and LED light source component 400 are all arranged at substrate 100.
Refer to Fig. 2, substrate 100 comprises the reflectance coating 110, heat-transfer film 120 and the heat dissipation film 130 that superpose setting successively.That is, heat-transfer film 120 is attached on reflectance coating 110, and heat dissipation film 130 is attached at the side of heat-transfer film 120 away from reflectance coating 110.Reflectance coating 110 can reflect and/or scattering the light that OLED light source assembly 300 and LED light source component 400 send, thus improve the utilization rate of the light that OLED light source assembly 300 and LED light source component 400 send better, meanwhile, the diffusion angle of the light that OLED light source assembly 300 and LED light source component 400 send can also be increased.The heat that OLED light source assembly 300 and LED light source component 400 produce when normally working for playing heat transfer effect, thus can be passed to heat dissipation film 130 by heat-transfer film 120 rapidly.Heat dissipation film 130 is for playing thermolysis, and the heat that OLED light source assembly 300 and LED light source component 400 luminescence produce can fall apart by rapidly.
Refer to Fig. 2, FPC 200 is arranged in heat dissipation film 130, and it provides complete circuit structure for giving the normal work of OLED light source assembly 300 and LED light source component 400.Such as, FPC 200 adopts FPC of the prior art to prepare, and it can realize bending function.
Refer to Fig. 1, OLED light source assembly 300 comprises the OLED sub-light source 310 of multiple sheet, multiple OLED sub-light source 310 spread configuration in reflectance coating 110, and is provided with interval 150 between two often adjacent OLED sub-light sources 310, and described interval 150 is for accommodating installation LED light source component 400.
Refer to Fig. 2, OLED sub-light source 310 is electrically connected with FPC 200 by wire (not shown), like this, can ensure the normal working performance of each OLED sub-light source 310.
In order to make multiple OLED sub-light source 310 can have multiple different glow color respectively, such as, refer to Fig. 3, it is the structural representation of the OLED sub-light source 310 of an embodiment of the present invention.
OLED sub-light source 310 comprises the anode transparent glass substrate 311, ITO conductive anode 312, NPB hole transmission layer 313, the NPB luminescent layer 314 mixing MQA, Alq (Alq3) electron transfer layer 315, Al conductive cathode 316 and the negative electrode transparent glass substrate 317 that superpose setting successively, wherein, the fluorescence matrix of the luminescent layer 314 of OLED sub-light source 310 is NPB.
The voltage difference of 2V ~ 10V is applied between conductive anode and conductive cathode, the hole of anode and the electronics of negative electrode can be made to be transferred to EL respectively by hole and electron transfer layer, produce power exciton when hole and electronics meet in luminescent layer, thus excite the light emitting molecule in EL to send green glow.
Certainly, the glow color of each OLED sub-light source 100 is not limited to green glow, and that is, fluorescent dopants is not limited to MQA, can also adjust fluorescent dopants according to actual needs, only need change the material that luminescent layer 140 adulterates.Such as, fluorescent dopants also comprises pyrene, rubrene, DCM or its mixture, and so, the glow color that OLED sub-light source 100 is corresponding is respectively blue light, gold-tinted or orange red light.So, multiple OLED sub-light source 310 can be made to have multiple different glow color respectively.
In order to improve the uniformity of described OLED light source module light, such as, described OLED sub-light source is the flaky texture with rectangle plane; And for example, described OLED sub-light source is the flaky texture with rectangle cambered surface; And for example, multiple described OLED sub-light source is set in parallel in described reflectance coating, so, can improve the uniformity of described OLED light source module light.
Refer to Fig. 1, LED light source component 400 comprises multiple LED sub-light source 410, and multiple LED sub-light source 410 is arranged at reflectance coating 110, and in the interval 150 of LED sub-light source 410 between two OLED sub-light sources 310.Such as, LED sub-light source 410 is hemispherical dome structure; And for example, LED sub-light source 410 is for having the cylindrical-shaped structure of circular cambered surface.
It should be noted that, above-mentioned lighting device 10 is arranged on the reflectance coating 110 of substrate 100 by OLED sub-light source 310 and LED sub-light source 410 being arranged in order, namely the distribution of OLED sub-light source 310 and LED sub-light source 410 is optimized, simultaneously, again in conjunction with the luminous characteristics that OLED sub-light source 310 is different with LED sub-light source 410, so, the light that above-mentioned lighting device 10 can be made to send is softer, minimum to the injury of human eye.
Refer to Fig. 2, LED sub-light source 410 is electrically connected with FPC 200 by described wire, like this, can ensure the normal working performance of each LED sub-light source 410.
In order to improve the uniformity of above-mentioned lighting device lighting effect further, and the mildness of the light sent, such as, refer to Fig. 1, two row LED sub-light sources 410 are set in the interval 150 between two often adjacent OLED sub-light sources 310; And for example, the two row LED sub-light sources 410 arranged in the interval 150 between two often adjacent OLED sub-light sources 310 are parallel to each other, the uniformity that so can improve above-mentioned lighting device lighting further and the mildness emitted beam.
Function is bent in order to solve the more difficult realization of existing lighting device, and the technical problem that heat dispersion is poor.Such as, the described substrate of the described lighting device of an embodiment of the present invention, it has flexible and advantage that is good heat dispersion performance.
An example is, the described lighting device of an embodiment of the present invention, and wherein, the described reflectance coating of described substrate comprises each component of following mass parts:
Polyolefin 50 parts ~ 65 parts, Merlon 45 parts ~ 50 parts, PLA 15 parts ~ 25 parts and PETG 10 parts ~ 20 parts.
Above-mentioned reflectance coating is by adding polyolefin 50 parts ~ 65 parts, Merlon 45 parts ~ 50 parts, PLA 15 parts ~ 25 parts and PETG 10 parts ~ 20 parts, described reflectance coating can be made to have preferably mechanical performance, preferably suppleness and firmness, thus described reflectance coating can be made to have flexible advantage.In addition, the light reflectivity of described reflectance coating is also higher, when a part of light of described OLED light source assembly and described LED light source component exposes to described reflectance coating, described reflectance coating can reflect and/or scattering the light that described OLED light source assembly and described LED light source component send, thus the utilization rate of the light that described OLED light source assembly and described LED light source component send can be improved better, meanwhile, the diffusion angle of the light that described OLED light source assembly and described LED light source component send can also be increased.
Preferably, the described lighting device of an embodiment of the present invention, wherein, the described reflectance coating of described substrate comprises each component of following mass parts:
Polyolefin 55 parts ~ 60 parts, Merlon 47 parts ~ 48 parts, PLA 15 parts ~ 20 parts and PETG 15 parts ~ 20 parts.
Preferably, the described lighting device of an embodiment of the present invention, wherein, the described reflectance coating of described substrate comprises each component of following mass parts:
Polyolefin 60 parts, Merlon 47 parts, PLA 20 parts and PETG 20 parts.
Function is bent in order to solve the more difficult realization of existing lighting device, and the technical problem that heat dispersion is poor.Such as, the described substrate of the described lighting device of an embodiment of the present invention, it has flexible and advantage that is good heat dispersion performance.
An example is, the described lighting device of an embodiment of the present invention, and wherein, the described heat-transfer film of described substrate comprises each component of following mass parts:
Ethylene vinyl acetate cross-linking agent 5 parts ~ 8 parts, ethylene vinyl acetate 6 parts ~ 10 parts, polyolefin 10 parts ~ 12 parts, Merlon 9 parts ~ 11 parts, PLA 45 parts ~ 55 parts, PETG 12 parts ~ 15 parts, organic siliconresin 1 part ~ 1.5 parts, methyl-silicone oil 1 part ~ 1.5 parts, two methyl-silicone oil 1 part ~ 1.5 parts, ethyl silicon oil 1 part ~ 1.5 parts, phenyl silicone oil 1 part ~ 1.5 parts, MethylethoxylsiliconFluid Fluid 1 part ~ 1.5 parts, methyl vinyl silicon oil 1 part ~ 1.5 parts, heat filling 25 parts ~ 30 parts and 0.5 part ~ 1 part, curing agent,
Wherein, described heat filling comprises in aluminium powder, zinc powder, copper powder, aluminium oxide, aluminium nitride, boron nitride, carborundum, boron nitride, described needle-like material is ZnOw, a kind of or several arbitrarily mixture in potassium titanate crystal whisker, silicon nitride crystal whisker, β-SiC whisker.
First, above-mentioned heat-transfer film is by adding heat filling 25 parts ~ 30 parts, can at script heat transfer property extreme difference, but form some heat transfer paths in mechanical performance and bending property good rubber-silica gel polymerization system, thus the heat that described OLED light source assembly and described LED light source component transmission can be come carries out heat transfer operations faster, namely pass in the described heat dissipation film of fitting with described heat-transfer film, thus achieve described heat-transfer film can have good heat-transfer simultaneously, flexible ability is strong, firmness is better, resistance to fracture and the good advantage of softness after bending.
Secondly, above-mentioned heat-transfer film by adding ethylene vinyl acetate cross-linking agent 5 parts ~ 8 parts, ethylene vinyl acetate 6 parts ~ 10 parts, polyolefin 10 parts ~ 12 parts, Merlon 9 parts ~ 11 parts, PLA 45 parts ~ 55 parts, PETG 12 parts ~ 15 parts can make described heat-transfer film have preferably mechanical performance, preferably suppleness and firmness, preferably bending rear resistance to fracture property, puncture-resistant performance and decay resistance.
Finally, by adding organic siliconresin 1 part ~ 1.5 parts, methyl-silicone oil 1 part ~ 1.5 parts, two methyl-silicone oil 1 part ~ 1.5 parts, ethyl silicon oil 1 part ~ 1.5 parts, phenyl silicone oil 1 part ~ 1.5 parts, MethylethoxylsiliconFluid Fluid 1 part ~ 1.5 parts and methyl vinyl silicon oil 1 part ~ 1.5 parts, greatly can strengthen the flexibility of described heat-transfer film, and then improve the flexible ability of described laminating layer.
Preferably, the described lighting device of an embodiment of the present invention, wherein, the described heat-transfer film of described substrate comprises each component of following mass parts:
Ethylene vinyl acetate cross-linking agent 5.5 parts ~ 6.5 parts, ethylene vinyl acetate 8 parts ~ 10 parts, polyolefin 10 parts ~ 10.5 parts, Merlon 9 parts ~ 10 parts, PLA 45 parts ~ 50 parts, PETG 12 parts ~ 13 parts, organic siliconresin 1 part ~ 1.5 parts, methyl-silicone oil 1 part ~ 1.5 parts, two methyl-silicone oil 1 part ~ 1.5 parts, ethyl silicon oil 1 part ~ 1.5 parts, phenyl silicone oil 1 part ~ 1.5 parts, MethylethoxylsiliconFluid Fluid 1 part ~ 1.5 parts, methyl vinyl silicon oil 1 part ~ 1.5 parts, heat filling 18.5 parts ~ 20 parts and 0.5 part ~ 1 part, curing agent, wherein, described heat filling comprises aluminium powder, zinc powder, copper powder, aluminium oxide, aluminium nitride, boron nitride, carborundum, in boron nitride, described needle-like material is ZnOw, potassium titanate crystal whisker, silicon nitride crystal whisker, a kind of or several arbitrarily mixture in β-SiC whisker.
Preferably, the described lighting device of an embodiment of the present invention, wherein, the described heat-transfer film of described substrate comprises each component of following mass parts:
Ethylene vinyl acetate cross-linking agent 6.5 parts, ethylene vinyl acetate 8.5 parts, polyolefin 10.5 parts, Merlon 9.5 parts, PLA 50 parts, PETG 12.5 parts, organic siliconresin 1.5 parts, methyl-silicone oil 1.5 parts, two methyl-silicone oil 1.5 parts, ethyl silicon oil 1.5 parts, phenyl silicone oil 1.5 parts, MethylethoxylsiliconFluid Fluid 1.5 parts, methyl vinyl silicon oil 1.5 parts, heat filling 20 parts and 1 part, curing agent, wherein, described heat filling is aluminium powder, zinc powder, copper powder, aluminium oxide, aluminium nitride, boron nitride, carborundum, in boron nitride, described needle-like material comprises ZnOw, potassium titanate crystal whisker, silicon nitride crystal whisker, a kind of or several arbitrarily mixture in β-SiC whisker.
Function is bent in order to solve the more difficult realization of existing lighting device, and the technical problem that heat dispersion is poor.Such as, the described substrate of the described lighting device of an embodiment of the present invention, it has flexible and advantage that is good heat dispersion performance.
An example is, the described lighting device of an embodiment of the present invention, and wherein, the described heat dissipation film of described substrate comprises each component of following mass parts:
Graphene nano particle 0.5 part ~ 1.5 parts, CNT 0.5 part ~ 1.5 parts, nano-metal particle 0.3 part ~ 0.8 part, polyolefin 20 parts ~ 25 parts, Merlon 15 parts ~ 20 parts, PLA 10 parts ~ 15 parts and PETG 10 parts ~ 15 parts, acrylic resin 5 parts ~ 10 parts, polyether resin 5 parts ~ 10 parts, 5 parts ~ 10 parts, mylar, polyurethane resin 3 parts ~ 5 parts, silicon-Ji resin 1 part ~ 2 parts, organic siliconresin 5 parts ~ 10 parts, fluoro-base resin 1 part ~ 2 parts, polyesteramide resin 5 parts ~ 8 parts, 1 part ~ 2 parts, phenolic resins, epoxy resin 20 parts ~ 25 parts, UV cured resin 5 parts ~ 15 parts and auxiliary agent 1.5 parts ~ 2.5 parts,
Wherein, described nano-metal particle comprises a kind of or several arbitrarily mixture in iron powder, carbon-coated iron powder, nickel powder, carbon nickel coat powder, silver powder, bronze, and described auxiliary agent comprises a kind of or several arbitrarily mixture in curing agent, ultraviolet absorber, light stabilizer, antistatic additive, curing agent, wetting agent, brightening agent and dispersant.
First, above-mentioned heat dissipation film can be formed have irregular cancellated heat radiation system by adding graphene nano particle 0.5 part ~ 1.5 parts and CNT 0.5 part ~ 1.5 parts and nano-metal particle 0.3 part ~ 0.8 part in described heat dissipation film, that is, by add graphene nano particle 0.5 part ~ 1.5 parts and CNT 0.5 part ~ 1.5 parts and nano-metal particle 0.3 part ~ 0.8 part can be formed in described heat dissipation film some have staggered, distortion, spiral is or/and the heat dissipation channel of branch shape stereochemical structure, so, greatly can improve heat conduction and the heat dispersion of described heat dissipation film, when described OLED light source assembly and described LED light source component heat directly and indirect transfer to described heat dissipation film time, described heat dissipation film can fast and in time by described heat loss in extraneous medium, as, scatter and disappear in atmosphere or be delivered in outside mounting, thus play the effect of quick heat radiating cooling, ensure that the normal working performance of described OLED light source assembly and described LED light source component.
Secondly, by adding by a kind of or any several nano-metal particle mixture formed in iron powder, carbon-coated iron powder, nickel powder, carbon nickel coat powder, silver powder, bronze, the heat dispersion of described heat dissipation film can be strengthened further.
Finally, above-mentioned heat dissipation film is by adding polyolefin 20 parts ~ 25 parts, Merlon 15 parts ~ 20 parts, PLA 10 parts ~ 15 parts and PETG 10 parts ~ 15 parts, acrylic resin 5 parts ~ 10 parts, polyether resin 5 parts ~ 10 parts, 5 parts ~ 10 parts, mylar, polyurethane resin 3 parts ~ 5 parts, silicon-Ji resin 1 part ~ 2 parts, organic siliconresin 5 parts ~ 10 parts, fluoro-base resin 1 part ~ 2 parts, polyesteramide resin 5 parts ~ 8 parts, 1 part ~ 2 parts, phenolic resins, epoxy resin 20 parts ~ 25 parts, UV cured resin 5 parts ~ 15 parts and auxiliary agent 1.5 parts ~ 2.5 parts, can produce synergy after the polymerization of these resin reactions, thus make described heat dissipation film have preferably mechanical performance, flexible performance and bending rear resistance to fracture property, and can overcome owing to adding graphene nano particle 0.5 part ~ 1.5 parts, after CNT 0.5 part ~ 1.5 parts and nano-metal particle 0.3 part ~ 0.8 part, the problem that caused described heat dissipation film brittleness increases, thus can better coordinate described reflectance coating to carry out flexural deformation together with described heat-transfer film.In addition, described heat dissipation film also has preferably toughness, thus can be fixedly mounted on better in outside mounting.
Preferably, the described lighting device of an embodiment of the present invention, wherein, the described heat dissipation film of described substrate comprises each component of following mass parts:
Graphene nano particle 0.5 part ~ 1 part, CNT 0.5 part ~ 1 part, nano-metal particle 0.5 part ~ 0.8 part, polyolefin 23 parts ~ 25 parts, Merlon 18 parts ~ 20 parts, PLA 10 parts ~ 12 parts and PETG 10 parts ~ 12 parts, acrylic resin 8 parts ~ 8.5 parts, polyether resin 5 parts ~ 8 parts, 5 parts ~ 8 parts, mylar, polyurethane resin 4.5 parts ~ 5 parts, silicon-Ji resin 1 part ~ 1.5 parts, organic siliconresin 8 parts ~ 10 parts, fluoro-base resin 1 part ~ 1.5 parts, polyesteramide resin 6.5 parts ~ 8 parts, 1 part ~ 1.5 parts, phenolic resins, epoxy resin 23 parts ~ 25 parts, UV cured resin 5 parts ~ 13 parts and auxiliary agent 2 parts ~ 2.5 parts,
Wherein, described nano-metal particle comprises a kind of or several arbitrarily mixture in iron powder, carbon-coated iron powder, nickel powder, carbon nickel coat powder, silver powder, bronze, and described auxiliary agent comprises a kind of or several arbitrarily mixture in curing agent, ultraviolet absorber, light stabilizer, antistatic additive, curing agent, wetting agent, brightening agent and dispersant.
Preferably, the described lighting device of an embodiment of the present invention, wherein, the described heat dissipation film of described substrate comprises each component of following mass parts:
Graphene nano particle 1 part, CNT 1 part, nano-metal particle 0.8 part, polyolefin 24 parts, Merlon 18.5 parts, PLA 10 parts and PETG 10 parts, acrylic resin 8 parts, polyether resin 7 parts, 7 parts, mylar, polyurethane resin 4.5 parts, silicon-Ji resin 1 part, organic siliconresin 8 parts, fluoro-base resin 1.5 parts, polyesteramide resin 8 parts, 1.5 parts, phenolic resins, epoxy resin 25 parts, UV cured resin 5 parts and auxiliary agent 2 parts;
Wherein, described nano-metal particle comprises a kind of or several arbitrarily mixture in iron powder, carbon-coated iron powder, nickel powder, carbon nickel coat powder, silver powder, bronze, and described auxiliary agent comprises a kind of or several arbitrarily mixture in curing agent, ultraviolet absorber, light stabilizer, antistatic additive, curing agent, wetting agent, brightening agent and dispersant.
More uniformly be blended in described heat dissipation film to make graphene nano particle, CNT and nano-metal particle, and make described heat dissipation film fit in described heat-transfer film more securely, the problem that described heat dissipation film is separated with described heat-transfer film is there is during to alleviate the bending of described substrate, such as, the described lighting device of an embodiment of the present invention, wherein, the preparation method of the described heat dissipation film of described substrate, comprises the steps:
Step S210: by polyolefin 20 parts ~ 25 parts, Merlon 15 parts ~ 20 parts, PLA 10 parts ~ 15 parts and PETG 10 parts ~ 15 parts, acrylic resin 5 parts ~ 10 parts, polyether resin 5 parts ~ 10 parts, 5 parts ~ 10 parts, mylar, polyurethane resin 3 parts ~ 5 parts, silicon-Ji resin 1 part ~ 2 parts, organic siliconresin 5 parts ~ 10 parts, fluoro-base resin 1 part ~ 2 parts, polyesteramide resin 5 parts ~ 8 parts, 1 part ~ 2 parts, phenolic resins, epoxy resin 20 parts ~ 25 parts, UV cured resin 5 parts ~ 15 parts and auxiliary agent 1.5 parts ~ 2.5 parts melting mixing, obtain fused solution.
Step S220: while hot graphene nano particle 0.5 part ~ 1.5 parts, CNT 0.5 part ~ 1.5 parts and nano-metal particle 0.3 part ~ 0.8 part are added in described fused solution, then, stir, obtain cooling fluid after mixing.
Step S230: while hot described cooling fluid is coated on described heat-transfer film, obtains described heat dissipation film after cooling.
So, graphene nano particle, CNT and nano-metal particle can be made more uniformly to be blended in described heat dissipation film by above-mentioned steps S210 to step S230, and make described heat dissipation film fit in described heat-transfer film more securely, there is the problem that described heat dissipation film is separated with described heat-transfer film during to alleviate the bending of described reflectance coating.
In order to optimize the thickness of described reflectance coating, described heat-transfer film and described heat dissipation film better, thus obtain better flexible performance and heat dispersion, such as, the thickness of described reflectance coating is 2mm ~ 5mm; And for example, the thickness of described heat-transfer film is 12mm ~ 15mm; And for example, the thickness of described heat dissipation film is 25mm ~ 30mm, so, can optimize the thickness of described reflectance coating, described heat-transfer film and described heat dissipation film, thus obtains better flexible performance and heat dispersion.
The substrate 100 of above-mentioned lighting device 10, by superposing the reflectance coating 110 of setting, heat-transfer film 120 and heat dissipation film 130 successively, can obtain good heat dispersion performance and flexible advantage.In addition, by the compound use of OLED light source assembly 300 and LED light source component 400, the light that lighting device 10 can be made to send is softer.
In order to make described lighting device be suspended in the water surface, such as, refer to Fig. 4, it is the structural representation of the lighting device 20 of another embodiment of the present invention.
Lighting device 20 also comprises air bag 500, air bag 500 is arranged at the side of heat dissipation film 130 away from heat-transfer film 120, air bag 500 is for providing buoyancy when floating on the water surface, so, when needs lighting device 20 is placed on the water surface uses time, lighting device 20 can be made to be suspended in the water surface by arranging air bag 500.
In order to make described lighting device can be suspended in the water surface better, such as, refer to Fig. 4, lighting device 20 arranges multiple air bag 500, and multiple air bag 500 is arranged at the side of heat dissipation film 130 away from heat-transfer film 120; And for example, multiple air bag 500 is arranged at the side of heat dissipation film 130 away from heat-transfer film 120 in array, so, described lighting device can be made can be suspended in the water surface better.
In order to improve the quality of described air bag, such as, inert gas is filled with in described air bag; And for example, helium is filled with in described air bag; And for example, the material of described air bag is PETG; And for example, the material of described air bag is ethylene vinyl acetate; And for example, the material of described air bag is PLA, so, can improve the quality of described air bag.
In order to improve the water resistance of described lighting device, make it can be able to use in the great situation of humidity, even also normally can use on the water surface, such as, refer to Fig. 5, it is the structural representation of the lighting device 30 of another embodiment of the present invention.
Lighting device 30 also comprises transparent watertight cover 600, transparent watertight cover 600 is for being placed on substrate 100, OLED light source assembly 300 and LED light source component outer 400, so, the water resistance of described lighting device can be improved by arranging transparent watertight cover 600, make it can be able to use in the great situation of humidity, even also can normally use on the water surface.
Can also be suspended on the water surface to make described lighting device and use, such as, described lighting device also arranges air bag, and described air bag is arranged at the side of described transparent watertight cover away from described heat dissipation film, so, described lighting device can also be made to be suspended on the water surface to use.
In order to improve the quality of described transparent watertight cover, such as, described transparent watertight cover is hollow rectangle body structure; And for example, the thickness of described transparent watertight cover is 1.5mm ~ 3mm; And for example, the material of described transparent watertight cover is PETG; And for example, the material of described transparent watertight cover is ethylene vinyl acetate; And for example, the material of described transparent watertight cover is PLA, so, can improve the quality of described transparent watertight cover.
Install the convenience of operation to improve described lighting device, such as, refer to Fig. 6, it is the structural representation of the lighting device 40 of another embodiment of the present invention.
Lighting device 40 also comprises snap component 700, and snap component 700 comprises clamping part 710 and button bit portion 720, and clamping part 710 and button bit portion 720 are arranged at the dual-side of substrate 100 respectively, and button bit portion 720 is for being connected together with clamping part 710.Please participate in Fig. 7 in the lump, when needs install lighting device 40 time, only need first to bend lighting device 40 around the mounting of outside, and make it be bent to form the structure of annular, then, clamping part 710 and button bit portion 720 are fastened togather and can complete installation operation, such as, outside mounting can be indoor door handle, clothes hanger or pen container etc., also can be outdoor trunk or the handrail etc. of public chair, certainly, also can be enclosed within wrist and use.So, above-mentioned lighting device 40 can improve the convenience of installation operation by arranging snap component 700.
In order to make clamping part 710 and button bit portion 720 be connected together better, such as, refer to Fig. 6, clamping part 710 protrudes to a side and is provided with card column 711, and button bit portion 720 is provided with hole clipping 721 to a side-facing depressions, and hole clipping 721 is for being connected together with card column 711; And for example, hole clipping 721 is cylindrical structure, and card column 711 is cylindrical structure, so, clamping part 710 and button bit portion 720 can be made to be connected together better.
In order to avoid when installing lighting device 40, clamping part 710 and 720 pairs, button bit portion human body produce injury, and such as, refer to Fig. 6, clamping part 710 is cuboid structure, and clamping part 710 offers arc angling away from two end angles of substrate 100; And for example, buckling parts 720 is cuboid structure, and buckling parts 720 offers arc angling away from two end angles of substrate 100, so, can avoid when installing lighting device 40, clamping part 710 and 720 pairs, button bit portion human body produce injury, namely avoid sharp-pointed end angle to produce injury to human body.
In order to improve the light diffusion angle of described lighting device, such as, refer to Fig. 8, it is the structural representation of the lighting device 50 of another embodiment of the present invention.
Substrate 100 is sector structure, can form hollow round table-like structure after the two ends splicing of substrate 100.Be provided with interval 150 between two often adjacent OLED sub-light sources 310, and interval 150 is sector structure.In the interval 150 of LED sub-light source 410 between two OLED sub-light sources 310, be positioned at multiple LED sub-light sources 410 at interval 150 in sector structure spread configuration.By by the arrangement in sector structure of the multiple LED sub-light sources 410 in the interval 150 between two OLED sub-light sources 310, the diffusion angle of the light of lighting device 50 can be improved, so, when light exposes to space outerpace, throw light on more even.
In order to make described lighting device have mirror function, and still can have good flexible performance, such as, referring to Fig. 9, it is the structural representation of the lighting device 60 of another embodiment of the present invention.
Lighting device 60 also comprises flexible membrane 800, flexible membrane 800 fits in the side of heat dissipation film 130 away from heat-transfer film 120, silver reflector layer 900 is filled in flexible membrane 800, to reach mirror effect, namely lighting device 60 can be made to have mirror function, and the flexible performance of lighting device 60 can be guaranteed, be applicable to home decoration and use.
Such as, the material of described flexible membrane is PETG; And for example, the material of described flexible membrane is ethylene vinyl acetate; And for example, the material of described flexible membrane is PLA; And for example, the thickness of described flexible membrane is 15mm ~ 20mm
Such as, the lighting device that the mutual combination that other embodiments of lighting device of the present invention also comprise the respective embodiments described above is formed.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, 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 claims.
Claims (7)
1. a lighting device, is characterized in that, comprising:
Substrate, described substrate comprises the reflectance coating, heat-transfer film and the heat dissipation film that superpose setting successively;
FPC, described FPC is arranged in described heat dissipation film;
OLED light source assembly, described OLED light source assembly comprises the OLED sub-light source of multiple sheet, multiple described OLED sub-light source spread configuration is in described reflectance coating, and being provided with interval between adjacent two described OLED sub-light sources, described OLED sub-light source is electrically connected with described FPC by wire;
LED light source component, described LED light source component comprises multiple LED sub-light source, multiple described LED sub-light source is arranged at described reflectance coating, and in the interval of described LED sub-light source between two described OLED sub-light sources, described LED sub-light source is electrically connected with described FPC by wire; And
Transparent watertight cover, described transparent watertight cover is placed on outside described substrate, described OLED light source assembly and described LED light source component.
2. lighting device according to claim 1, is characterized in that, described transparent watertight cover is hollow rectangle body structure.
3. lighting device according to claim 1, is characterized in that, also comprises air bag, and described air bag is arranged at the side of described transparent watertight cover away from described heat dissipation film.
4. lighting device according to claim 1, is characterized in that, the thickness of described transparent watertight cover is 1.5mm ~ 3mm.
5. lighting device according to claim 1, is characterized in that, the material of described transparent watertight cover is PETG.
6. lighting device according to claim 1, is characterized in that, the material of described transparent watertight cover is ethylene vinyl acetate.
7. lighting device according to claim 1, is characterized in that, the material of described transparent watertight cover is PLA.
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| CN104819387B (en) | 2018-09-18 |
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