CN101936469B - Lighting device - Google Patents
Lighting device Download PDFInfo
- Publication number
- CN101936469B CN101936469B CN201010124319.7A CN201010124319A CN101936469B CN 101936469 B CN101936469 B CN 101936469B CN 201010124319 A CN201010124319 A CN 201010124319A CN 101936469 B CN101936469 B CN 101936469B
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- China
- Prior art keywords
- light source
- source cell
- reflector
- support unit
- main body
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/0008—Reflectors for light sources providing for indirect lighting
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
- F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
- F21V19/0015—Fastening arrangements intended to retain light sources
- F21V19/0025—Fastening arrangements intended to retain light sources the fastening means engaging the conductors of the light source, i.e. providing simultaneous fastening of the light sources and their electric connections
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
- F21V7/24—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by the material
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
- F21V7/28—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by coatings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
- F21S8/08—Lighting devices intended for fixed installation with a standard
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
- F21V29/507—Cooling arrangements characterised by the adaptation for cooling of specific components of means for protecting lighting devices from damage, e.g. housings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/005—Reflectors for light sources with an elongated shape to cooperate with linear light sources
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/04—Optical design
- F21V7/06—Optical design with parabolic curvature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
- F21Y2103/10—Elongate light sources, e.g. fluorescent tubes comprising a linear array of point-like light-generating elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Abstract
The invention relates to a lighting device, comprising: a reflector (20) including at least one reflecting surface (21); and a light source unit (30) disposed in the vicinity of the reflector and comprising: a main body (32) having a first outside surface (38) and a second outside surfaces (39), wherein each of said first and second outside surfaces is inclined with reference to the other; and a plurality of first light emitting diodes (31) disposed on the first outside surface and a plurality of second light emitting diodes disposed on the second outside surface so that said first and second light emitting diodes are configured to emit light towards the reflector.
Description
The application requires to submit to the korean patent application No.10-2009-0058160 that is on June 29th, 2009 day, the priority of No.10-2009-0058161 and No.10-2009-0058162.
Technical field
Present disclosure relates to the lighting device that comprises light emitting diode (LED).
Background technology
Major part illumination in family, office, park etc. provides by fluorescent lamp and incandescent lamp.Yet the light source of these types is not environmentally friendly, it often has limited or shorter service life, and has higher power consumption.Therefore, the cost of the light source of these correlation technique types of operation and maintenance is huge, particularly particularly like this when considering when synchronization is opened a large amount of light source.
Summary of the invention
Therefore, one object of the present invention is to solve above-mentioned and other problem.
Another object of the present invention is to provide a kind of novel lighting apparatus that comprises a plurality of light emitting diodes, and it can provide low in energy consumption, long service life, fast response time, light stability and the characteristic such as environmentally friendly.
Another object again of the present invention is to provide the novel lighting apparatus that is easy to dismounting.
For realizing these and other advantage and according to object of the present invention, place like this enforcement and broadly description, on the one hand, the invention provides a kind of lighting device, this lighting device comprises the reflector with reflecting surface, and is arranged in reflector below and is configured to towards the radiative light source cell of reflector.In addition, light source cell comprises: main body, and it is longitudinally arranged along reflector, and has towards the first and second outer surfaces of reflecting surface inclination; And be configured to radiative towards reflector, be arranged in a plurality of the first light emitting diodes on the first outer surface and be arranged in a plurality of the second light emitting diodes on the second outer surface.
More properly, the present invention relates to lighting device as claimed in claim 1, this lighting device comprises the reflector with at least one reflecting surface, and is arranged near light source cell reflector.Light source cell comprises: main body, its there is the first outer surface with the second outer surface, each in wherein said the first and second outer surfaces tilts with respect to another; And be arranged in a plurality of the first light emitting diodes on the first outer surface and be arranged in a plurality of the second light emitting diodes on the second outer surface, make described the first and second light emitting diodes towards reflector utilizing emitted light.
From the detailed description providing below, other scope that the present invention can apply will become obvious.Yet be to be understood that, although describe in detail with concrete example and pointed out preferential embodiment of the present invention, these are described and example only provides in the mode of example, because to those skilled in the art, from this is described in detail, the multiple changes and improvements in the present invention will become obvious.
Brief Description Of Drawings
From the detailed description and the accompanying drawings that provide below, can understand more all sidedly the present invention, the detailed description and the accompanying drawings only provide for purposes of illustration, therefore do not limit the present invention.Wherein,
Fig. 1 is according to the cross-sectional view of the lighting device of embodiment of the present invention;
Fig. 2 is the stereogram that the lighting device of Fig. 1 is shown;
Fig. 3 is the cross-sectional view of light source cell that the lighting device of Fig. 1 is shown;
Fig. 4 illustrates the schematic diagram that the light source cell of Fig. 1 shifts out from the first and second receptacle portion;
Fig. 5 illustrates the schematic diagram that the first and second receptacle portion of Fig. 4 and the light source cell of Fig. 1 couple mutually;
Fig. 6 is the schematic diagram that the coupled connection mechanism of the first splicing ear and the first receptacle portion in the lighting device of Fig. 1 is shown;
Fig. 7 is the schematic diagram that the coupled connection mechanism of the second splicing ear and the second receptacle portion in the lighting device of Fig. 1 is shown;
Fig. 8 is the stereogram that the light source cell of the lighting device of another embodiment according to the present invention is shown;
Fig. 9 is the stereogram that the lighting device of another embodiment is shown according to the present invention again;
Figure 10 is the stereogram that the lighting device of another embodiment according to the present invention is shown;
Figure 11 is the stereogram illustrating according to the lighting device of another embodiment again of the present invention;
Figure 12 is the stereogram illustrating according to the lighting device of another embodiment of the present invention;
Figure 13 is the schematic diagram illustrating according to the relation that couples of the light source cell of the lighting device of embodiment of the present invention and the first support unit;
Figure 14 is the stereogram that the lighting device of another embodiment according to the present invention is shown;
Embodiments of the present invention
To introduce in detail the preferred embodiment of the present invention now, shown in the drawings of its example.
Fig. 1 and Fig. 2 show the lighting device 100 according to embodiment of the present invention.As shown in the figure, lighting device 100 comprises housing 10, reflector 20 and light source cell 30.In addition, in the embodiment shown in Fig. 1 and Fig. 2, housing 10 is box-shaped to hold reflector 20, and has opening 11, by opening 11, is exposed the reflecting surface 21 of reflector 20 and light is launched.Housing 10 can also have other shape outside the box-shaped shown in Fig. 1 and Fig. 2.
In addition, reflector 20 is arranged in housing 10 and has reflecting surface 21, the light that these reflecting surface 21 reflections are launched by light source cell 30.In the example shown in Fig. 1 and Fig. 2, reflecting surface 21 comprises paraboloidal reflecting surface 21a and 21b.Yet, the structure that reflecting surface 21 can be based on lighting device 100 and there is other shape.In addition, as depicted in figs. 1 and 2, paraboloidal reflecting surface 21a and 21b intersect to form line of demarcation 22, and this line of demarcation 22 is along the longitudinal direction setting of lighting device 100 and overlapping with light source cell 30 on vertical.And, can change the material of reflector 20 and color to realize the specific illumination of lighting device 100.For example, silver (Ag) or aluminium (Al) be made or be applied to reflector 20 can by the white material with high reflectance.
In addition, according to the embodiment of the present invention, can light source cell 30 be kept and be placed in housing 10 by the receptacle portion of working in coordination with the terminal of light source cell 30 and being connected.Fig. 2 shows single receptacle portion 42 (not shown another receptacle portion that is positioned at the opposite end of light source 30 in Fig. 2).Yet Fig. 4 to Fig. 7 illustrates in greater detail receptacle portion and splicing ear.For example, Fig. 4 shows receptacle portion 41 and 42 and splicing ear 36 and 37 with exploded view.Fig. 5 shows the state that receptacle portion and splicing ear link together.As mentioned above, according to the embodiment of the present invention, receptacle portion 41 and 42 is connected in the inner surface of housing 10.
In more detail, as shown in Figure 4, the two ends of light source cell 30 comprise the first and second splicing ears 36 and 37, and it is worked in coordination and couple with the first and second receptacle portion 41 and 42 that are arranged on the inner surface of housing 10.Therefore, the first and second splicing ears 36 and 37 are coupled to and support also first and second receptacle portion 41 and 42 of fixed light source unit 30.In addition, the first and second splicing ears 36 and 37 receive respectively the electric power from the first and second receptacle portion 41 and 42, thereby to light source 30 power supplies.
Therefore, in this embodiment, the first and second receptacle portion 41 and 42 that are coupled to the first and second splicing ears 36 and 37 can be called the first and second couplings.In addition, at least one in the first and second couplings can comprise control part, and this control part receives and drives signal to control and driving light source unit 30.That is, control part is controlled the light emitting diode 31 of light source 30 optionally to launch the light with required color, and regulates brightness and the color of light emitting diode 31.Like this, control part is controlled the light emitting diode 31 be arranged on light source cell 30 so that multiple illumination to be provided.And, when light source cell 30 reaches its service life or damages, can easily change by the first and second splicing ears 36 and 37 are shifted out from the first and second receptacle portion 41 and 42 light source cell 30.
Next, Fig. 6 and Fig. 7 show above-mentioned coupled connection mechanism.In more detail, as shown in Figure 6 and Figure 7, the shape of the first splicing ear 36 can be different from the shape of the second splicing ear 37, and the shape of the first receptacle portion 41 can be different from the shape of the second receptacle portion 42.Therefore, can be by light source cell 30 accurately, be coupled to the first and second receptacle portion 41 and 42 without mismatching.For example, as shown in the embodiment of Fig. 6, the first splicing ear 36 comprises block part 36a and towards the jut 36b of the below projection of block part 36a, and block part 36a and jut 36b form.In addition, the shape of the first receptacle portion 41 is corresponding to the shape of the first splicing ear 36, and jut 36b is inserted in the insertion portion being arranged in the first receptacle portion 41.
In addition, as shown in Fig. 6 (a), in insertion portion, be provided with through hole 41a, and jut 36b is through through hole 41a.Alternately, as shown in Fig. 6 (b), insertion portion is provided with and inserts recess 41b, and ledge 36b is arranged in and inserts in recess 41b.With reference to figure 7, the second splicing ears 37, can also only comprise block part 37a, and the second receptacle portion 42 can have the shape corresponding with the shape of the second splicing ear 37.Therefore, the second splicing ear 37 can insert and be coupled to the second receptacle portion 42.Yet the shape of the first and second splicing ears 36 and the 37 and first and second receptacle portion 41 and 42 is not limited to the shape shown in figure.
For example, the first and second splicing ears 36 and 37 block part 36a and the shape of cross section of 37a can be circle, ellipse and polygon.Equally, the shape of jut 36b can be circle, ellipse and polygon.In addition, the first and second splicing ears 36 and 37 can be of similar shape, and the first and second splicing ears 36 and 37 can comprise block part and jut, or only comprise block part.In addition, the first and second splicing ears 36 and 37 can comprise respectively at least two pins, and the first and second receptacle portion 41 and 42 can have insertion opening, and described at least two pins are inserted in this insertion opening.Thus, the first and second receptacle portion 41 and 42 support and fixed light source unit 30, and to light source cell 30 power supplies.
Next, with reference to Fig. 1 to Fig. 5, light source 30 is described in more detail.Particularly, as depicted in figs. 1 and 2, light source cell 30 is along the centre that is direction longitudinally with respect to reflector 20 and is arranged in the opening 11 of housing 10.For example, light source cell 30 can be arranged in the opening 11 of housing 10 with the line of demarcation 22 along reflector 20.In addition, as mentioned above, the first and second receptacle portion 41 and 42 that are positioned on housing 10 inner surfaces support and fixed light source unit 30.
In addition, as shown in Figure 2, light source cell 30 extends along the longitudinal direction of reflector 20.In addition, as shown in the different views of Fig. 1 to Fig. 5, light source 30 comprise have one or more inclined-planes main body 32, be arranged at the luminous recess 33 on inclined-plane, the first and second splicing ears 36 and 37 that are arranged on the light emitting diode (LED) 31 on luminous recess 33 and are arranged in main body 32 two ends.In addition, LED is by the semiconductor device of electric energy conversion Cheng Guang.
Main body 32 can be made by the material that is suitable for efficiently radiates heat, as aluminium (Al), tin (Sn), nickel (Ni), silver (Ag), copper (Cu), titanium (Ti), molybdenum (Mo), tungsten (W), gold (Au) and platinum (Pt).Alternately, main body 32 can be formed by resin.In addition, silver (Ag) or aluminium (Al) be made or be applied to main body 32 can by the material with high reflectance.The light of the recess therefore, forming in main body self-luminous in the future diode is launched towards reflector effectively.As shown in Figure 2, main body 32 also can have the polygon cross section extending along the longitudinal direction of reflector 20.Although main body 32 has fan shaped cross section in Fig. 1 to Fig. 5, shape of cross section is not limited to this concrete shape.
In addition, as shown in figures 1 and 3, two side surfaces of main body 32 comprise inclined-plane, as first and second inclined-planes 38 and 39 of the reflecting surface 21 towards reflector 20.That is, two of main body 32 side surfaces comprise respectively towards the paraboloidal reflecting surface 21a of reflecting surface 21 and the first and second inclined-planes 38 of 21b and 39 (seeing Fig. 2).The side surface of main body 32 can be provided with one or more inclined-planes, and is not limited to the first and second inclined-planes 38 and 39.
In addition, as shown in Figure 4 and Figure 5, the first and second inclined-planes 38 and 39 comprise the luminous recess 33 extending along reflector 20 longitudinal directions.Can change according to the distribution that is arranged on the light of the light emitting diode 31 on luminous recess 33 degree of depth and the width of luminous recess 33.Also can adjust the degree of depth of luminous recess 33 and width to prevent being transmitted directly to outside from the light of light emitting diode 31 through opening 11, thereby make the light being reflected by reflecting surface 21 be transmitted into outside through opening 11.
In addition, as shown in Figure 4 and Figure 5, light emitting diode 31 is arranged in luminous recess 33.In more detail, light emitting diode 31 can be arranged in luminous recess 33, and the quantity of light emitting diode 31 and arrange unrestricted.Light emitting diode 31 can also be selected from the light emitting diode of red-emitting, blue light, green glow or white light.Also can use other color.Therefore, according to the embodiment of the present invention, from the light of light emitting diode 31 transmittings, point to the reflecting surface 21 of reflector 20, that is, point to paraboloidal reflecting surface 21a and 21b.Therefore the light of, being launched by light emitting diode 31 by reflector 20 reflection to user rather than directly pass to user.Therefore, reduce light intensity, to user, provide soft light.
In addition, in luminous recess 33, be provided with matrix (not shown), light emitting diode 31 is arranged on this matrix so that light emitting diode 31 is electrically connected to.Alternately, can in luminous recess 33, arrange a plurality of electrodes, thereby make light emitting diode pass through electrode, be electrically connected to.In addition, can at luminous recess 33 places, arrange that lens are to control the distribution of the light being sent by light emitting diode 31.Alternately, can fill luminous recess 33 to control the distribution of light with resin.Can also add fluorescent component to lens and resin.In addition, as shown in the embodiment of Fig. 2 to Fig. 5, the lower surface of main body 32 comprises male-female part 34, and its surface area that has increased light source cell 30 is with efficiently radiates heat.In this embodiment, male-female part 34 is also extended along the longitudinal direction of light source cell 30.
Next, Fig. 8 is the stereogram that the light source cell 130 of the lighting device of another embodiment according to the present invention is shown.As shown in the figure, light source cell 130 extends along the longitudinal direction of reflector, and comprise have the first and second inclined-planes main body 132, be arranged at the luminous recess 133 on the first and second inclined-planes, the first and second splicing ears 136 and 137 that are arranged on the light emitting diode 131 on luminous recess 133 and are arranged in main body 132 two ends.
In addition, luminous recess 133 is only arranged in the position that light emitting diode 131 is installed in two side surfaces of main body 132 partly.That is, in main body 132, luminous recess 133 is spaced apart from each other.In plane, the top of luminous recess 133 also can have various shape, comprises circle, ellipse and polygon.Light emitting diode 131 is also arranged in luminous recess 133.
Next, Fig. 9 is the stereogram that the lighting device 200 of another embodiment according to the present invention is shown.As shown in the figure, lighting device 200 comprises light source cell 230, reflector 220 and support unit 210.Support unit 210 is bar clavate, supporting reflex device 220 and light source cell 230, and to light source cell 230 power supplies.In addition, support unit 210 extends from the outer support members top of reflector 200 tops (as be positioned at), and receives electric power from external power source (as the power supply unit of support members mounted externally (PSU)).
In addition, the first end of support unit 210 is connected in external power source, and the second end passes reflector 220 and is connected in the upper surface of light source cell 230.The second end of support unit 210 can also be adhered to or be coupled to by screw member by adhesive the upper surface of light source cell 230.Can also in support unit 210, electric wire member be set, make electric current can flow through electric wire member.Therefore, can be by support unit 210 to light source cell 230 power supplies.
In addition, the upper surface of light source cell 230 can comprise for being connected in the splicing ear of support unit 210.Therefore, light source cell 230 can receive electric power from support unit 210 by splicing ear.In addition, support unit 210 is through reflector 220 support and fixed reflector 220.In more detail, the support unit 210 through reflector 220 can for example be coupled to reflector 220 securely by adhesive.Alternately, independent supporting member can be connected in to reflector 220 supporting reflex device 220.Also can use other connection or coupled connection mechanism.In addition,, although Fig. 9 shows two support units 210, single support unit also can be set or more than the support unit of two.In addition can change, the shape of support unit 210.
Next, Figure 10 is the stereogram that the lighting device 200A of another embodiment according to the present invention is shown.Referring to Figure 10, lighting device 200A comprises light source cell 230, reflector 220 and support unit 210 (same as shown in Figure 9).Yet in this embodiment, reflector 220 has the shell structure with opening.In addition, as shown in figure 10, the inner surface 222 of reflector 220 comprises to the receptacle portion 241 of light source cell 230 power supplies supporting light sources unit 230.And, because the relation that couples and function thereof between receptacle portion 241 and the splicing ear of light source cell 230 are identical with the embodiment of Fig. 1, so description is omitted.
In addition, similar to the above description with reference to Fig. 9, be support unit 210 supporting reflex devices 220 and the light source cell 230 of bar clavate.Support unit 210 also extends from the outer support members top of reflector 220 tops (as be positioned at), from external power source (as the PSU of support members mounted externally), receives electric power, and to receptacle portion 241 power supplies of reflector 220.In addition, the first end of support unit 210 is connected in external power source, and the second end passes reflector 220 and is connected in the upper surface of light source cell 230.The second end of support unit 210 can also be adhered to or be coupled to by screw member by adhesive the upper surface of light source cell 230.Can also in support unit 210, electric wire member be set, make electric current can flow through electric wire member.Therefore, can be by support unit 210 to light source cell 230 power supplies.
In addition, the upper surface of light source cell 230 also can comprise for being connected in the splicing ear of support unit 210.Therefore, light source cell 230 can receive electric power from support unit 210 by splicing ear.In addition, support unit 210 is through reflector 220 support and fixed reflector 220.In more detail, the support unit 210 through reflector 220 can for example be coupled to reflector 220 securely by adhesive.Alternately, independent supporting member can be connected in to reflector 220 supporting reflex device 220.Also can use other connection or coupled connection mechanism.In addition,, although Fig. 9 shows two support units 210, single support unit or a plurality of support unit also can be set.In addition can change, the shape of support unit 210.
Next, Figure 11 is the stereogram that the lighting device 300 of another embodiment is shown according to the present invention again.As shown in the figure, lighting device 300 comprises light source cell 330, reflector 320 and support unit 310.Support unit is bar clavate and is coupled to reflector 320 and light source cell 330, and supporting reflex device 320 and light source cell 330.In addition by support unit 310, to light source cell 330, power.Support unit 310 extends from the outer support members bottom surface of light source cell 330 belows (as be positioned at), and receives electric power from external power source (as the PSU of support unit mounted externally).
The first end of support unit 310 is connected in external power source, and the second end is connected in a part for the reflecting surface of reflector 320.The second end of support unit 310 also can be adhered to or is coupled to reflector 320 by screw member by adhesive.Support unit 310 also can be connected in reflector 320 through light source cell 330.In addition, the support unit 310 through light source cell 330 can be coupled to light source cell 330 securely.Can also, in the interior electric wire member that arranges of support unit 310, make electric current can flow through electric wire member.Therefore can be, light source cell 330 power supplies by electric wire member.In addition, although Figure 11 shows two support units 210, single support unit or a plurality of support unit also can be set.In addition can change, the shape of support unit 210.
Figure 12 is the stereogram that the lighting device 300A of another embodiment according to the present invention is shown.As shown in the figure, lighting device 300A comprises light source cell 330, reflector 320 and support unit 310 and 315.Below support unit 310 is called to the first support unit and support unit 315 is called to the second support unit.As shown in figure 12, the first support unit 310 comprises the couplings 312 of the lower surface that is coupled to light source cell 330, and the bar rod portion 311 of extending from the outer support members of light source cell 330 belows, to power to light source cell 330.The second support unit 315 also extends with supporting reflex device 320 from the upper surface of light source cell 330.
Next, Figure 13 is that coupling between the light source cell 330 shown in Figure 12 and the first support unit 310 is related to schematic diagram.Referring to Figure 12 and Figure 13, the bar rod portion 311 of the first support unit 310 is bar clavate, and the shape of couplings 312 is corresponding to the male-female part that is positioned at light source cell 330 lower surfaces, thereby makes couplings 312 can be coupled to securely light source cell 330.The couplings 312 of the first support unit 310 also can be for to light source cell 330 transferring electric powers.
In addition, the bar rod portion 311 of the first support unit 310 extends from the outer support members bottom surface of light source cell 330 belows (as be positioned at).Bar rod portion 311 also can be for receive electric power from external power source (as the PSU of support members mounted externally), and to light source cell 330 transferring electric powers.Can also in support unit 310, electric wire member be set, make electric current can flow through electric wire member.Therefore, can be by electric wire member to light source cell 330 power supplies.In addition, the second support unit 315 extends to support and fixed reflector 320 from the upper surface of light source cell 330.And, can use single support unit or more than the support unit of two.Can also change the shape of support unit.
Next, Figure 14 is the stereogram that the lighting device 300B of another embodiment according to the present invention is shown.As shown in the figure, similar to the embodiment shown in Figure 12, lighting device 300B comprises light source cell 330, reflector 320, the first support units 310 and the second support unit 315.In addition, the first support unit 310 comprises the couplings 312 of the lower surface that is coupled to light source cell 330, and the bar rod portion 311 of extending from the outer support members of light source cell 330 belows, to power to light source cell 330.
The second support unit 315 also extends with supporting reflex device 320 from the upper surface of light source cell 330.In addition, reflector 320 is the shell structure with opening.The inner surface 322 of reflector 320 also comprises receptacle portion 341, and this receptacle portion 341 is to light source cell 330 transferring electric powers supporting light sources unit 330.In addition, because the embodiment of the relation that couples between the splicing ear of receptacle portion 341 and light source cell 330 and function and Fig. 1 is identical, so omit the explanation of these parts.Other assembly was introduced with reference to Figure 13.The upper surface that shall also be noted that the reflector 320 in Figure 14 does not have as the box-formed shape of the reflector 20 of Fig. 2.
Therefore, the invention provides multiple advantage.For example, the light source that comprises LED according to the embodiment of the present invention has the many advantages that surmount fluorescent lamp and incandescent lamp, such as low in energy consumption, long service life, fast response time, light stability, the characteristic such as environmentally friendly.If necessary, can easily dismantle and keep in repair the lighting device of embodiment of the present invention.
In one embodiment, lighting device comprises the recess being positioned on the first and second outer surfaces, and described recess extends along the longitudinal direction of main body.
In another embodiment, each surface in the first and second surfaces comprises a plurality of recesses that are spaced apart from each other.
In addition any " embodiment ", " embodiment " of mentioning in present disclosure,, " illustrative embodiments " etc. refer in conjunction with the described specific features of this embodiment, structure or characteristic and are included at least one embodiment of the present invention.The not necessarily same embodiment that this class phrase that diverse location in description occurs refers to.In addition,, when describing specific features, structure or characteristic in conjunction with any embodiment, will be understood that those skilled in the art can implement this feature, structure or characteristic in conjunction with other embodiment.
Owing to can implement in a variety of forms the present invention in the situation that not departing from essential feature of the present invention, so it should also be understood that, above-mentioned embodiment is confined to any details in above description, unless and pointed out separately, otherwise should broadly explain within the scope of the appended claims above-mentioned embodiment, therefore, claims are intended to comprise the equivalents in the border and all changes in boundary line and modification and these borders and the boundary line that drop on claim.
Claims (12)
1. a lighting device, comprising:
The reflector that comprises at least one reflecting surface; And
Be arranged near the light source cell of described reflector; Described light source cell comprises:
The main body with the first outer surface and the second outer surface, each in wherein said the first outer surface and the second outer surface tilts with respect to another; And
Be arranged in a plurality of the first light emitting diodes on described the first outer surface and be arranged in a plurality of the second light emitting diodes on described the second outer surface, described the first light emitting diode and the second light emitting diode are configured to towards described reflector utilizing emitted light,
Wherein, described reflector is included in the reflector of two parabolic cross-sections that mid portion links together,
Wherein, the described main body of described light source cell is arranged in the axis of symmetry in the cross section that makes described main body and the position that described mid portion aligns,
Wherein, described reflector is so that each side has the mode Axis Extension longitudinally of the reflector of a parabolic cross-sections, and described reflector also comprises two inner casing surfaces, described inner casing surface perpendicular to described longitudinal axis the end that is positioned at two parabola shaped reflecting surfaces to form reflection housing
Also comprise:
Be arranged on the first end of described light source cell and the first splicing ear of the second end and the second splicing ear; And
The first receptacle portion and the second receptacle portion, described the first receptacle portion and the second receptacle portion are arranged on two inner surfaces of described reflector, and are configured to be respectively coupled to described the first splicing ear and the second splicing ear to support and fixing described light source cell to described light source cell power supply.
2. lighting device as claimed in claim 1, also comprises:
Be separately positioned on described the first outer surface and the first luminous recess in the second outer surface and the second luminous recess of the main body of described light source cell,
Wherein, described a plurality of the first light emitting diodes are arranged in described the first luminous recess, and described a plurality of the second light emitting diode is arranged in described the second luminous recess.
3. the lighting device in claim 2, also comprises:
The lens that are arranged in described the first luminous recess and the second luminous recess place be filled in resin in described the first luminous recess and the second luminous recess at least one of them, it is configured to control the distribution from the light of described light emitting diode transmitting.
4. the lighting device as described in any one in claims 1 to 3, wherein, described main body comprises and is roughly leg-of-mutton cross section, and the first described outer surface and the second outer surface extend along described leg-of-mutton adjacent edge.
5. the lighting device as described in any one in claim 1-3, wherein, described main body comprises the male-female tee section part on the lower surface that is positioned at described main body, and described male-female tee section partly connects described the first outer surface and the second outer surface and faces down away from described the first outer surface and the second outer surface.
6. the lighting device as described in any one in claims 1 to 3, also comprises:
Control part, described control part is arranged at least in one of them of described the first splicing ear and the second splicing ear and described the first receptacle portion and the second receptacle portion, and is configured to receive and drives signal to control and to drive described light source cell.
7. lighting device as claimed any one in claims 1 to 3, also comprises:
Be configured to support the support unit of described reflector and described light source cell.
8. lighting device as claimed in claim 7, wherein, described support unit has first end and the second end, described first end passes described reflector and is connected in the upper surface of the described main body of described light source cell, and described the second end is configured to be connected in the outer support members that is arranged in described reflector top.
9. lighting device as claimed in claim 7, wherein, described support unit has first end and the second end, described first end passes the described main body of described light source cell and is connected in the inner surface of described reflector, and described the second end is configured to be connected in the outer support members that is arranged in described light source cell below.
10. lighting device as claimed in claim 7, wherein, described support unit comprises the first support unit and the second support unit, described the first support unit engages with the lower surface of the described main body of described light source cell from being positioned at the position of below of the described main body of described light source cell and extending and being configured to, and described the second support unit is configured to extend to described reflector from the top surface of the described main body of described light source cell.
11. lighting devices as claimed in claim 10, wherein, described the first support unit comprises couplings, described couplings is configured to described the first support unit to be coupled to the described main body of described light source cell.
12. described in claim 11 lighting device, wherein, described coupling comprises male-female tee section part, described male-female tee section partial configuration becomes with the male-female tee section of the lower surface of the described main body of described light source cell to engage.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020090058162A KR20110000860A (en) | 2009-06-29 | 2009-06-29 | Lighting device |
| KR10-2009-0058161 | 2009-06-29 | ||
| KR10-2009-0058160 | 2009-06-29 | ||
| KR1020090058160A KR20110000858A (en) | 2009-06-29 | 2009-06-29 | Lighting device |
| KR10-2009-0058162 | 2009-06-29 | ||
| KR1020090058161A KR20110000859A (en) | 2009-06-29 | 2009-06-29 | Lighting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101936469A CN101936469A (en) | 2011-01-05 |
| CN101936469B true CN101936469B (en) | 2014-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010124319.7A Active CN101936469B (en) | 2009-06-29 | 2010-02-26 | Lighting device |
Country Status (3)
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|---|---|
| EP (1) | EP2270390B1 (en) |
| JP (2) | JP2011009223A (en) |
| CN (1) | CN101936469B (en) |
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| CN103453358A (en) * | 2013-07-15 | 2013-12-18 | 深圳市巧精灵照明有限公司 | Light-emitting-diode down lamp |
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| CN104061505B (en) * | 2014-05-20 | 2016-09-07 | 厦门理工学院 | LED reflection formula pendent lamp |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP2014130849A (en) | 2014-07-10 |
| JP5732573B2 (en) | 2015-06-10 |
| JP2011009223A (en) | 2011-01-13 |
| EP2270390A3 (en) | 2011-03-09 |
| EP2270390B1 (en) | 2012-11-07 |
| EP2270390A2 (en) | 2011-01-05 |
| CN101936469A (en) | 2011-01-05 |
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Effective date of registration: 20210825 Address after: 168 Changsheng North Road, Taicang City, Suzhou, Jiangsu Province Patentee after: Suzhou Leyu Semiconductor Co.,Ltd. Address before: Seoul, South Kerean Patentee before: LG INNOTEK Co.,Ltd. |
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