CN203823676U - Lighting device - Google Patents
Lighting device Download PDFInfo
- Publication number
- CN203823676U CN203823676U CN201420181728.4U CN201420181728U CN203823676U CN 203823676 U CN203823676 U CN 203823676U CN 201420181728 U CN201420181728 U CN 201420181728U CN 203823676 U CN203823676 U CN 203823676U
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- China
- Prior art keywords
- lighting device
- light
- lgp
- cover
- matrix
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- F21S8/02—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
-
- 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
- F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
- F21K9/61—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using light guides
-
- 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
- F21K9/90—Methods of manufacture
-
- 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
- F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
- F21V2200/20—Use of light guides, e.g. fibre optic devices, in lighting devices or systems of light guides of a generally planar shape
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Manufacturing & Machinery (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Planar Illumination Modules (AREA)
- Securing Globes, Refractors, Reflectors Or The Like (AREA)
Abstract
The utility model provides a lighting device which comprises a base body, an annular luminous part, and a cover, wherein the luminous part is arranged at the upper part of the base body and is provided with a semiconductor luminous element; the whole outer surface of the cover is light-transmitting, and the cover is arranged at the upper part of the base body in a manner of covering the luminous part. The lighting device is characterized by further comprising a retaining component fixed on a face, opposite to the cover, of the base body and used for retaining the cover; the cover is provided with annular ribs and convex parts, the annular ribs face the base body and are formed along the luminous part, and the convex parts are connected with the ribs and vertically arranged in a manner of facing the retaining component; the retaining component is provided with run-through holes for allowing the convex parts to be inserted into in a penetrating manner. In case that the lighting device is observed at a plane, the ribs and the luminous part are arranged in a manner that the ribs encircle the luminous part or the luminous part encircles the ribs; the cover can be retained on the retaining components through expanding the front end parts of the convex parts inserted into the run-through holes in a penetrating manner.
Description
Technical field
The utility model relate to there is LED(Light Emitting Diode) etc. semiconductor light-emitting elements as the lighting device of light source.
Background technology
As the surface-emitting type lighting device with LGP, for example, develop the lighting device of the structure shown in Figure 14.Lighting device shown in Figure 14 has ligthing paraphernalia 900 and not shown power subsystem.Ligthing paraphernalia 900 is discoid, has matrix 910, installation base plate 920, reflection part 930, LGP 940, diffusion shell 950.Installation base plate 920 is mounted to, and on the upper surface of substrate, multiple LED922 form circular element line in mode spaced apart.LGP 940 has the circular light in part 941 outstanding towards each LED922.Diffusion shell 950 all has light transmission, and outer surface is all as light-emitting area performance function.
In the time of the driving of lighting device, as shown in figure 15, by LED922, comprise light L
4～L
7deng ejaculation light mainly incide the opposed portion 942 of element of light in part 941.Then, normal reflection is efficiently carried out near the inside of light rake 943A, the 943B of light in part 941, is directed to all of LGP 940.Ejaculation light from LGP 940 incides diffusion shell 950, injects to outside as illumination light from the light-emitting area of diffusion shell 950.
Patent documentation 1: No. 4975136 communique of Japan Patent
Patent documentation 2: TOHKEMY 2012-164462 communique
Patent documentation 3: TOHKEMY 2011-28997 communique
Here, for example, in the time using Down lamp as the lighting device of said structure, in order not make diffusion shell 950 come off from matrix 910 sides, it is very important keeping diffusion shells 950 and carry out uniform surface luminous in matrix 910 sides.But, be all in the diffusion shell 950 of light-emitting area at outer surface, when for example by screw threads for fastening directly in the time that matrix 910 keeps diffusion shell 950, the shadow of the boss that the diameter that occurs the shadow of screw in its light-emitting area, screw togather with screw is thicker, expects because the luminance deviation of light-emitting area is difficult to carry out the luminous situation of uniform surface.
Utility model content
The utility model completes in view of above-mentioned problem, and its object is, following lighting device is provided: in whole of light transmission cover luminous lighting device, by alleviating the luminance deviation in light-emitting area, can carry out good face luminous.
In order to reach above-mentioned purpose, the lighting device of a mode of the present utility model has: matrix, the illuminating part of ring-type, is configured in the top of described matrix and has semiconductor light-emitting elements, and outer surface is all the cover of light transmission, be configured in the top of described matrix to be coated the mode of described illuminating part, described lighting device is characterised in that, described lighting device also have be fixed on described matrix with the opposed opposed faces of described cover on and keep the holding member of described cover, described cover has towards described matrix and the rib of the ring-type that forms along described illuminating part, and with described rib continuously and erect the protuberance arranging towards described holding member, described holding member has the through hole that runs through insertion for described protuberance, in the time of viewed in plan, described rib and described illuminating part are configured to a side and surround the opposing party, carry out hole enlargement by the leading section that is inserted into the described protuberance in described through hole to running through, described cover remains on described holding member.
And, the lighting device of another mode of the present utility model also can be configured to, described lighting device has installation base plate, this installation base plate is configured between described holding member and described matrix, at substrate surface, described semiconductor light-emitting elements is installed, described holding member is the plate-shaped member along described cover configuration, and has the ejaculation light that makes described semiconductor light-emitting elements through the opening of described cover side.
And, the lighting device of another mode of the present utility model also can be configured to, described lighting device has LGP, this LGP is configured between described cover and described holding member, have the through hole that runs through insertion for described protuberance, in plate, guiding is penetrated from the ejaculation light of described semiconductor light-emitting elements and to described cover.
And, the lighting device of another mode of the present utility model also can be configured to, described illuminating part is mounted to, multiple described semiconductor light-emitting elements form the element line of ring-type at described substrate surface, described LGP has light in part, this light in part is formed as circle-shaped in the mode overlapping with the element line of described ring-type, and incident has the ejaculation light of described half and half conductor light-emitting component.
And the lighting device of another mode of the present utility model also can be configured to, in the time covering described in viewed in plan, described ring-type Lei center is consistent with the center of the element line being made up of described multiple semiconductor light-emitting elements.
And the lighting device of another mode of the present utility model also can be configured to, described cover have that from the top of the described rib length direction along described rib forms and with the abutting part of the surperficial butt of described LGP.
And the lighting device of another mode of the present utility model also can be configured to, described holding member is the reflection part that makes the ejaculation light reflection of described semiconductor light-emitting elements.
And the lighting device of another mode of the present utility model also can be configured to, described leading section is caulking part.
And the lighting device of another mode of the present utility model also can be configured to, described holding member is fixed with described matrix by screw threads for fastening.
And the lighting device of another mode of the present utility model also can be configured to, described semiconductor light-emitting elements is LED.
And the lighting device of another mode of the present utility model also can be configured to, described lighting device has the power subsystem for described light-emitting component being supplied with to electric power.
In the lighting device of a mode of the present utility model, in the cover of light transmission, by the leading section that runs through the protuberance in the through hole that is inserted into holding member is carried out to hole enlargement, cover remains on holding member.On the other hand, because holding member and matrix are fixed, so cover is fixed on matrix across holding member.
And the illuminating part of ring-type and the rib of ring-type are configured to a side and surround the opposing party, rib forms along illuminating part.Thus, in the time of the ejaculation light transmission cover from semiconductor light-emitting elements, the also arbitrary portion of transmission rib more equably of light.
Here, have light transmission together with the rib of protuberance and ring-type, protuberance and rib are mutually continuous.Therefore,, in cover, can make the brightness in the region corresponding with protuberance and roughly the same with the brightness in region corresponding to rib.Thus, in cover, can prevent that only corresponding with protuberance region from becoming the dim spot of low-light level and obvious, can alleviate luminance deviation.
Its result, can provide following lighting device: in whole of light transmission cover luminous lighting device, by alleviating the luminance deviation in light-emitting area, can carry out good face luminous.
Brief description of the drawings
Fig. 1 is the structure of lighting device 100 and the partial sectional view of setting example that embodiment 1 is shown.
Fig. 2 is the stereogram that outward appearance and the internal structure of ligthing paraphernalia 1 are shown.
Fig. 3 is the exploded view that the internal structure of ligthing paraphernalia 1 is shown.
Fig. 4 is the figure that the lit-par-lit structure of installation base plate 20, reflection part 30, LGP 40 is shown.
Fig. 5 is the partial enlarged drawing that the structure of recess 32 peripheries of reflection part 30 is shown.
Fig. 6 is the stereogram that the stacked operation of installation base plate 20, reflection part 30, LGP 40 is shown.
Fig. 7 is the figure that the formation operation of the caulking part 515 based on hot riveting operation is shown, is the partial sectional view (b) after partial sectional view (a) and the operation enforcement before operation is implemented.
Fig. 8 is the partial sectional view of light in part 42 peripheries of the LGP 40 of the situation when driving of lighting device 100 is shown.
Fig. 9 is the cutaway view of the ligthing paraphernalia 900X of the LED922 periphery for the issuable problem of ligthing paraphernalia 900X is described.
Figure 10 is the front view of the ligthing paraphernalia 900X for the issuable problem of ligthing paraphernalia 900X is described.
Figure 11 is the partial sectional view of light in part 42 peripheries of the LGP 40 for the effect of being brought into play by protuberance 514 and caulking part 515 is described.
Figure 12 is the front view of the ligthing paraphernalia 1 for the effect of being brought into play by protuberance 514 and caulking part 515 is described.
Figure 13 is the partial sectional view of light in part 42 peripheries of the LGP 40A of embodiment 2.
Figure 14 is the cutaway view that the structure of the ligthing paraphernalia 900 of existing lighting device is shown.
Figure 15 is the cutaway view of the LED922 periphery of the ligthing paraphernalia 900 of the situation when action of ligthing paraphernalia 900 is shown.
Symbol description
1,1A, 900: ligthing paraphernalia; 4: power subsystem; 10: matrix; 14,24,25,314,431: through hole; 20,20A: installation base plate; 21: substrate; 22,922:LED; 30,30A, 930: reflection part; 31: inner reflection portion; 32: recess; 33: outside reflecting part; 34: opening; 40,40A, 940: LGP; 41: inner side light guide section; 42: light in part; 43: outside light guide section; 50: diffusion shell; 50X: diffusion shell intermediate; 100: lighting device; 210: inboard aperture; 210A: run through patchhole; 211: apertura lateralis; 212: pore; 310: embedded hole; 311: inner side boss; 312: outside boss; 313: cylindrical boss; 320: opening; 321: bridge formation portion; 410: protuberance; 410A: cylindrical projection; 420: the opposed portion of element; 421: slot part; 512: rib; 513: abutting part; 514: protuberance; 514X: protuberance before processing; 515: caulking part; 515X: leading section.
Detailed description of the invention
Below, with reference to Fig. 1～Figure 12, the lighting device of embodiment of the present utility model is described.
< embodiment 1>
(lighting device 100)
Lighting device 100 is arranged on embedding on the construction materials such as ceiling and arranges the Down lamp of type, has ligthing paraphernalia 1 and power subsystem 4.Ligthing paraphernalia 1 has hooking parts 3, matrix 10, installation base plate 20, reflection part 30, LGP 40, diffusion shell 50, multiple screw B.Hooking parts 3 are leaf springs, are arranged on the matrix 10 of ligthing paraphernalia 1 around.Power subsystem 4 is lighted ligthing paraphernalia 1.Power subsystem 4 is electrically connected with ligthing paraphernalia 1 in wiring 23.
As shown in Figure 1, via power subsystem 4 being arranged on to the through hole 2a on ceiling 2, lighting device 100 is positioned in the back side 2b of ceiling 2.Ligthing paraphernalia 1 is configured to receive matrix 10 in through hole 2a.Now, by making hooking parts 3 be hooked on the periphery of through hole 2a, lighting device 100 is arranged on ceiling 2.
(ligthing paraphernalia 1)
In appearance, as shown in Figure 2, ligthing paraphernalia 1 is made up of hooking parts 3, matrix 10, diffusion shell 50.Dotted line in Fig. 2 represents to be built in the substrate 21 in installation base plate 20, the installation base plate 20 in ligthing paraphernalia 1, each position of LED22.About the size of ligthing paraphernalia 1, as an example, external diameter is approximately 136mm, is highly approximately 100mm.It is circular front shape that ligthing paraphernalia 1 has periphery.Below, the structural element of the inside of narration ligthing paraphernalia 1.
[matrix 10]
Matrix 10 has main part 11, multiple fin 12, central rib 13.Matrix 10 such as, is made up of metal materials such as the good material of heat dissipation characteristics, aluminium.
Main part 11 has smooth surface in the main ejaculation direction (top of Fig. 3) of ligthing paraphernalia 1.On main part 11, dispose installation base plate 20 in the mode of thermal coupling.On main part 11, be provided with multiple through holes 14, the outside boss 312 of reflection part 30 inserts in this through hole 14, and screw B runs through and is inserted into this through hole 14 from outside.And, be provided with for the wiring of installation base plate 20 23 being drawn out to outside medium pore (not shown) in the central authorities of main part 11.Use bonding agent or seal member etc. that the side wall portion of diffusion shell 50 52 is bonded on to main part 11 around.
The heat that fin 12 produces the driving of the LED22 of installation base plate 20 via main part 11 rejects heat to outside.
Inner side boss 311 butts of central rib 13 and reflection part 30, position reflection part 30 with respect to matrix 10.As shown in Figure 3, central rib 13 is circle-shaped setting and is arranged on the central authorities of main part 11.
[installation base plate 20]
Installation base plate 20 is configured in the top of matrix 10, has the substrate 21 of ring-type, multiple LED22, wiring 23.
The structure of the insulating barrier that substrate 21 for example has stacked to be made up of ceramic material or thermal conductive resin etc. and the metal level being formed by aluminium etc.Be formed with the wiring pattern (not shown) for making LED22 and wiring 23 electrical connections at the upper surface 21A of substrate 21.The lower surface 21B of substrate 21 becomes the surface with main part 11 thermal couplings.
In addition, installation base plate 20 has the 4th fitting portion that can be chimeric with the 2nd fitting portion of reflection part 30 on substrate 21., as shown in Figure 3 and Figure 4, as the 4th fitting portion, substrate 21 has and is arranged on the central inboard aperture 210 of substrate 21, the multiple apertura lateralises 211 that are arranged on the surrounding of inboard aperture 210, pore 212.
LED22 is an example of semiconductor light-emitting elements.Substrate 21 with the opposed upper surface 21A of reflection part 30 in, make main ejaculation direction consistent with vertical (Y) direction, in the mode that is spaced from each other certain intervals, multiple LED22 are installed in the form of a ring, form circular element line.This circular element line illuminating part as ring-type in lighting device 100 is brought into play function.In installation base plate 20, as an example, be provided with on upper surface 21A in supine mode and add up to 18 and there is SMD(Surface Mount Device) the LED22 of packaging structure.
In addition, the upper surface 21A of substrate 21 becomes the reflecting surface with light reflective, so that the ejaculation light of LED22 is efficiently to LGP 40 lateral reflections.
Wiring 23 is for supplying with electric power from power subsystem 4 sides to LED22.The two ends of wiring 23 are electrically connected with wiring pattern and the power subsystem 4 of substrate 21.As an example, wiring 23 is drawn out to the outside of ligthing paraphernalia 1 through the medium pore in the inboard aperture 210 of substrate 21 and the main part 11 of matrix 10.In Fig. 4, for simplicity of illustration, omit wiring 23.
[reflection part 30]
Reflection part 30 is plate-shaped members, makes back light from LGP 40 to LGP 40 lateral reflections.As shown in Figure 3, reflection part 30 sandwiches and is arranged between installation base plate 20 and LGP 40.Use has the material of high light reflectivity characteristic, such as polybutylene terepthatlate (PBT) resin, Merlon (PC) resin, nylon resin, Foamex etc. and forms reflection part 30.By utilizing these resin materials to carry out injection mo(u)lding to reflection part 30, can form accurately reflection part 30.Reflection part 30 at least has reflective character with the opposed opposed faces of LGP 40.
Reflection part 30 has inner reflection portion 31, recess 32, outside reflecting part 33 toward the outer side from center side.
The inner reflection of the circular element line of the LED22 of inner reflection portion 31 in installation base plate 20 is from the back light of LGP 40.
As shown in Figure 3, as having the 1st fitting portion (embedded hole 310) with the upper surface 31A of the inner reflection portion 31 of LGP 40 opposed opposed faces.And, as shown in Figure 4, as having the 2nd fitting portion (inner side boss 311, outside boss 312, cylindrical boss 313) with the lower surface 31B of the inner reflection portion 31 of installation base plate 20 opposed opposed faces.
Embedded hole 310, with to be formed on the 3rd fitting portion (protuberance 410) on LGP 40 chimeric, is present in the central authorities of the upper surface 31A of inner reflection portion 31.
Inner side boss 311, outside boss 312, cylindrical boss 313 are that inboard aperture 210, apertura lateralis 211, pore 212 are chimeric with being formed on the 4th fitting portion on installation base plate 20 in order.As shown in Figure 4, to surround the mode of embedded hole 310, on the lower surface 31B of inner reflection portion 31, erect and be provided with multiple inner sides boss 311.Erect and be provided with multiple outsides boss 312 in the mode of encirclement inner side boss 311.Outside boss 312 is formed with internal thread in inside.
Cylindrical boss 313 setting same with outside boss 312 arranges.As shown in Figure 4, each inner side boss 311 run through be respectively inserted into inboard aperture 210 in time, this each inner side boss 311 is chimeric with periphery therein tangent mode and inboard aperture 210.Each outside boss 312 closely runs through and is inserted in each apertura lateralis 211 and chimeric with it.Equally, cylindrical boss 313 closely runs through and is inserted in pore 212 and chimeric with it.By tightening screw B at outside boss 312 respectively from outside, reflection part 30 is fixed on matrix 10.And now, installation base plate 20 sandwiches and is arranged between reflection part 30 and matrix 10.
The region of the reflection part corresponding with the circular element line of each LED22 30 is recessed into and formation recess 32 along thickness (Y) direction to installation base plate 20 sides.
In the inside of recess 32, as shown in Figure 5, have mutually to clamp bridge formation portion 321 mode spaced apart the multiple openings 320 that connect in thickness (Y) direction of reflection part 30.The position of each opening 320 respectively with installation base plate 20 on the position consistency of each LED22.Bridge formation portion 321 is that being formed as can be chimeric with the slot part of LGP 40 421 using LGP 40 sides as top and to the side-prominent protuberance with trapezoidal sectional shape of LGP 40.
The outer lateral reflection of the circular element line of the LED22 of outside reflecting part 33 in installation base plate 20 is from the back light of LGP 40.As shown in Figure 3, in lateral reflection portion 33, have multiple through holes 314 outside.In through hole 314, run through the protuberance 514 that is inserted with diffusion shell 50.Reflection part 30, by being formed on the caulking part 515 of the front end formation that runs through the protuberance 514 being inserted in through hole 314, keeps diffusion shell 50 and LGP 40.
[LGP 40]
LGP 40 guides the light penetrating from LED22 in its plate.As shown in Figure 3, LGP 40 is between reflection part 30 and diffusion shell 50.Thus, the light penetrating from the top of LGP 40 incides diffusion shell 50.LGP 40 by such as, in the good material of light transmission, acrylic resin, polycarbonate resin, polystyrene resin, glass any one etc. form.As concrete structure, as shown in Fig. 3～Fig. 6, LGP 40 has inner side light guide section 41, light in part 42, outside light guide section 43 toward the outer side from its center side.As an example, the external diameter of LGP 40 is approximately 128mm, and thickness of slab is approximately 1.5mm.
(i) inner side light guide section 41
Inner side light guide section 41 is discoid, the light that incides the LED22 in the plate of LGP 40 is guided to the inner side of the installation site of LED22 from light in part 42.The diameter of inner side light guide section 41 is approximately 80mm.
As shown in Figure 6, have multiple concavity reflecting parts 411 at the lower surface 41B of inner side light guide section 41.Make a part of lower surface 41B be recessed into and form concavity reflecting part 411, this concavity reflecting part 411 makes the light guiding in the plate of LGP 40 to upper surface 41A lateral reflection.Concavity reflecting part 411 is formed as cone shape from lower surface 41B side towards upper surface 41A.
In inner side light guide section 41, from light guide section 41 center, inner side towards around be concentric circles and be formed with multiple (adding up to 491 here) concavity reflecting part 411.As an example, be approximately 3mm along the spacing of the diametric concavity reflecting part 411 of inner side light guide section 41.And as an example, the Y-direction height of concavity reflecting part 411 is below the above 1.0mm of 0.4mm.And, erect and be provided with the columned protuberance 410 chimeric with the embedded hole 310 of reflection part 30 in the central authorities of lower surface 41B.
In addition, in the time of viewed in plan ligthing paraphernalia 1, the position of the protuberance 410 of inner side light guide section 41 and the embedded hole 310 of reflection part 30 is arranged in the center of the circular element line (illuminating part) of each LED22 of installation base plate 20.
(ii) light in part 42
The ejaculation light of LED22 is guided to LGP 40 sides by light in part 42.As shown in Figure 4, in the time of viewed in plan LGP 40, light in part 42 is formed as circle-shaped.And as shown in Figure 5, light in part 42 is formed as to lower surface 41B side-prominent.Light in part 42 be arranged in each LED22 on installation base plate 20 directly over mode insert the recess 32 of reflection part 30.
As concrete structure, light in part 42 has the opposed portion 420 of multiple elements, is present in slot part 421, the inner side rake 422A that is positioned at each side of the opposed portion 420 of element and slot part 421, outside rake 422B between the opposed portion 420 of adjacent element.Cross sectional shape in the footpath direction of the LGP 40 of light in part 42 is V word shape roughly.
Configure the opposed portion 420 of each element to approach separately the mode of each LED22.As an example, the surface of the opposed portion 420 of element is formed as being provided with in the lump multiple concavo-convex prism-like, so that light disperses along length (circumference) direction of light in part 42.
Inner side rake 422A and outside rake 422B have angle of inclination along with the cross sectional shape increasing gradually smoothly away from the opposed portion 420 of element.Inner side rake 422A and inner side light guide section 41 are continuous.Outside rake 422B and outside light guide section 43 are continuous.Inner side rake 422A with outside rake 422B with respect to vertical (Y) direction inclined in opposite directions each other.Thus, rake 422A in inner side will guide to inner side light guide section 41 and outside light guide section 43 therein efficiently successively with outside rake 422B from the opposed portion 420 of element along the incident light of vertical (Y) direction incident.
(iii) outside light guide section 43
Outside light guide section 43 guides to the incident light from each LED22 of inside that incides LGP 40 from light in part 42 in the outside of the installation site of LED22.As shown in Figure 6, also have multiple concavity reflecting parts 411 at the lower surface 43B of outside light guide section 43.
In addition, in the periphery of outside light guide section 43, be provided with multiple through holes 431 in conjunction with the position of each through hole 314 of LGP 40.
[diffusion shell 50]
Diffusion shell 50 makes the ejaculation light scattering of LGP 40 and to carry out face luminous.Diffusion shell 50 is for milky and have light transmission, and outer surface is all as light-emitting area performance function.For example use silicones, acrylic resin, polycarbonate resin, glass etc. to form diffusion shell 50.
As concrete structure, as shown in Figure 3, diffusion shell 50 has main part 51 and side wall portion 52.
Main part 51 is implemented light scattering processing, makes efficiently from the ejaculation light scattering of LGP 40 and injects to outside from upper surface 51A.As light scattering processing, for example, to carrying out micro concavo-convex processing with the lower surface 51B of the opposed main part 51 of LGP 40.Main part 51 is configured to cover LGP 40.Here, diffusion shell 50 is being to have rib 512, abutting part 513, multiple protuberance 514 in main part 51 with the opposed opposed faces of matrix 10.
In the lower surface 51B of main part 51, form rib 512 towards matrix 10.In the time of viewed in plan ligthing paraphernalia 1, rib 512 is formed as circular along the circular element line of each LED22 of installation base plate 20 to surround the mode of each LED22.
To form abutting part 513 with the length direction of the continuous mode of rib 512 from rib 512 tops along rib 512, the upper surface butt of the outside light guide section 43 in this abutting part 513 and LGP 40.Thus, between abutting part 513 and reflection part 30, support LGP 40.
Protuberance 514 is continuous with rib 512, and,, erect multiple protuberances 514 are set in conjunction with the position of the through hole 431 of LGP 40 and the through hole 314 of reflection part 30 towards reflection part 30 from the top of rib 512.Here, the front end of protuberance 514 becomes caulking part 515, as shown in Figure 4, forms by hole enlargement under the state of through hole 314 that connects reflection part 30.This caulking part 515 is for diffusion shell 50 and LGP 40 are remained on to the unit on reflection part 30.
Side wall portion 52 is erect and is arranged from the periphery of main part 51, engages with the main part 11 of matrix 10 at its top.
(the formation method of caulking part 515)
Use Fig. 6 and Fig. 7 (a) and (b) to illustrate the formation method of caulking part 515.
First, as shown in Figure 6, prepare the diffusion shell intermediate 50X of protuberance 514X before the top of rib 512 has the processing of abutting part 513 and column.Making before the processing of diffusion shell intermediate 50X protuberance 514X run through is successively inserted in the through hole 431 of LGP 40 and the through hole 314 of reflection part 30.
Prepare known hot riveting processing unit (plant).As shown in Figure 7 (a), the front end of fever tablet P is pressed into the leading section 515X of the front protuberance 514X of processing, carries out hot riveting processing.Thus, as shown in Figure 7 (b) shows, leading section 515X, by hole enlargement, forms caulking part 515.
(elemental motion of lighting device 100)
In the lighting device 100 with above structure, in the time switching on power, supply with electric power from the power subsystem 4 being connected with power supply with business via 23 couples of each LED22 of wiring.Thus, each LED22 is driven and is luminous.As shown in Figure 8, the ejaculation light L producing in each LED22
1～L
3each opening 320 via reflection part 30 mainly incides in the plate of LGP 40 from the opposed portion 420 of element of light in part 42.Incident light repeatedly carries out normal reflection in the plate of LGP 40, is directed to inner side light guide section 41 and outside light guide section 43 both sides.The back light spilling downwards from LGP 40 reflects at reflection part 30, again incides LGP 40.
Be directed to the ejaculation light L of the LED22 of the inner side light guide section 41 of LGP 40
1～L
3incide diffusion shell 50 from the upper surface of LGP 40.Then, penetrate light and spread at light scattering main part 51 after treatment, become illumination light to outside ejaculation.In ligthing paraphernalia 1, all the becoming light-emitting area of the outer surface of diffusion shell 50 and to carry out face luminous.
(effect that lighting device 100 is brought into play)
First, use Fig. 9 and Figure 10 that the problem of hypothesis is described, then, use Figure 11 and Figure 12 that the effect that lighting device 100 is brought into play is described.
[1] ligthing paraphernalia 900 in the existing lighting device shown in the ligthing paraphernalia 900X shown in Fig. 9 and Figure 15 is roughly the same, but, the female boss 951 of tool is set on diffusion shell 950, by tightening screw B from outside at the internal thread of boss 951, diffusion shell 950 and matrix 910 are fixed.
In the case of the ligthing paraphernalia 900X that has supposed this structure, in the time driving, may in the light-emitting area of diffusion shell 950, there is the shadow of screw B.And, need to be by the diameter D of boss 951 in order to form internal thread
0be set as larger diameter to a certain degree, so, in the time driving, also may in the light-emitting area of diffusion shell 950, there is the shadow of boss 951.Therefore, in funerary objects tool 900X, expect following situation: as shown in Figure 9 and Figure 10, in the time of the ejaculation light transmission diffusion shell 50 from each LED922, at the region generating dim spot (noise) corresponding with the position of each boss 951, be difficult to carry out uniform face because light is uneven luminous.
[2] on the other hand, in lighting device 100, as shown in figure 11, by the leading section 515X that runs through the protuberance 514 that is inserted into the diffusion shell 50 in the through hole 314 of reflection part 30 and the through hole 431 of LGP 40 is carried out to hole enlargement, form caulking part 515.By this caulking part 515, diffusion shell 50 and LGP 40 remain on reflection part 30.On the other hand, by tightening screw B at outside boss 312, reflection part 30 is fixed with matrix 10.Thus, diffusion shell 50 and LGP 40 are fixed on matrix 10 across reflection part 30.
And as shown in figure 12, the mode of the illuminating part of the ring-type that rib 512 is made up of each LED22 with encirclement, is formed as ring-type along the illuminating part of the ring-type being made up of each LED22.Therefore,, in the time of the ejaculation light transmission diffusion shell 50 from each LED22, light ratio is the arbitrary portion of transmission rib 512 more equably.
Here, protuberance 514 has light transmission together with rib 512, and protuberance 514 and rib 512 are mutually continuously.Therefore,, in diffusion shell 50, can make the brightness in the region corresponding with protuberance 514 and roughly the same with the brightness in region corresponding to rib 512.Thus, in the light-emitting area of diffusion shell 50, can prevent that only corresponding with protuberance 514 region from becoming the dim spot of low-light level and obvious, can alleviate the luminance deviation in light-emitting area.
Its result, in lighting device 100, can carry out good face luminous.
In addition, in diffusion shell 50, as shown in Figure 9, as the unit being directly fixed on matrix 10, do not need to use screw.And in diffusion shell 50, protuberance 514 also can not be formed as the boss screwing togather with screw.Therefore, in the time of the light transmission diffusion shell 50 from each LED22, the shadow of the boss that can prevent from producing the shadow of screw in the light-emitting area of diffusion shell 50, screw togather with screw and become dim spot, has also brought into play the effect that suppresses the light inequality producing due to these dim spots.And then, due to the diameter D of protuberance 514
1the restriction of size less, so, make diameter D
1thinner, can make protuberance 514 more unobvious.
And, by forming caulking part 515, do not need, for diffusion shell 50 being fixed on to the screw B on matrix 10, correspondingly to realize cost degradation.And then protuberance 514, as the boss of screw, so compared with needing the boss 951 of certain length, the restriction of length is less, can make length shorter to be formed as to a certain degree.Thus, shorten the surperficial distance from the lower surface 31B of reflection part 30 to diffusion shell 50, correspondingly, also had advantages of and can make ligthing paraphernalia 1 slimming.
And, by forming rib 512, can also expect the effect that diffusion shell 50 is strengthened.And then on reflection part 30, between abutting part 513 and reflection part 30, stably clamping arranges LGP 40 by caulking part 515 engagings.Therefore,, even owing to using continuously lighting device 100 to make LGP 40 and diffusion shell 50 become high temperature to a certain degree, also can prevent the thermal deformation of LGP 40 and diffusion shell 50, can maintain respectively stable form.
Below, by with the difference of embodiment 1 centered by another embodiment of the present utility model is described.
< embodiment 2>
Figure 13 illustrates the part section of the ligthing paraphernalia 1A of embodiment 2.In ligthing paraphernalia 1A, through hole 24 is set on installation base plate 20A, after protuberance 514 being run through be successively inserted in the through hole 24 of through hole 314, installation base plate 20A of through hole 431, the reflection part 30A of LGP 40, form caulking part 515.In addition, in matrix 10A, be provided for configuring the space 15 of caulking part 515.
And installation base plate 20A has through hole 25.In conjunction with the position of through hole 25, in the surface of installation base plate 20A mounting nut N.By the screw B that runs through insertion via the through hole 25 of installation base plate 20A and the through hole 14 of matrix 10A from outside is fastened on nut N, installation base plate 20A and matrix 10A are fixed.Thus, reflection part 30A, LGP 40, diffusion shell 50A are fixed with matrix 10A indirectly.
In addition, in reflection part 30A, omit outside boss 312, cylindrical boss 313, in installation base plate 20A, omit apertura lateralis 211, pore 212.
In the case of using the ligthing paraphernalia 1A of this structure, also can expect the effect identical with embodiment 1.According to this structure, with respect to diffusion shell 50, can position LGP 40A, reflection part 30A, installation base plate 20A once.
< other business >
" upper surface " mentioned in the utility model refer to and the opposed surface of diffusion shell 50, and " top " refers to the direction along Y-direction towards diffusion shell 50 from matrix 10.
In the respective embodiments described above, form rib 512 in the mode of the circular element line that surrounds each LED22.But, in the utility model, being not limited to this structure, the illuminating part of rib 512 and ring-type is configured to a wherein side and surrounds the opposing party.Therefore,, in the time of viewed in plan ligthing paraphernalia 1, also can configure to surround the mode of rib 512 the circular element line of each LED22.
In the respective embodiments described above, by light in part 42 is inserted in recess 32, can also prevent to a certain extent the relative position skew of LGP 40 and reflection part 30.
" element line of ring-type " mentioned in the utility model not only refers to circular, for example, can be also the element line of the polygon ring-types such as triangle, quadrangle or octagon.
In the situation that using outside boss 312 and apertura lateralis 211, cylindrical boss 313 and pore 212 not necessarily, also can omit them.
Lighting device of the present utility model is not limited to embed the Down lamp of the type that arranges.For example also can be arranged on the lip-deep ceiling light of construction material.And, can extensively be used in all lighting uses such as Down lamp, background light.
In the utility model, hooking parts 3 not necessarily.Ligthing paraphernalia 1 also can use screw threads for fastening, rivet, bonding etc. being fixed on construction material.
In lighting device 100, power subsystem 4 and ligthing paraphernalia 1 become independent structure, and still, the utility model is not limited to this structure., lighting device of the present utility model also can be configured to ligthing paraphernalia 1 and be built-in with power subsystem 4.
Semiconductor light-emitting elements of the present utility model can be also for example LD(laser diode), EL element (electroluminescent cell).Here, in embodiment 1, on the surface of substrate 21, multiple LED22 are installed, form the illuminating part of ring-type by its element line, still, in the situation that using EL element, can only form the illuminating part of ring-type by an EL element.
And in lighting device of the present utility model, the outside light guide section of LGP not necessarily.Therefore, can omit the outside light guide section of LGP.
In the above-described embodiment, reflection part 30 is configured to one-piece type.But, in the utility model, also can make adjacent opening 320 be communicated with each other.In this situation, can utilize inner reflection portion 31 and outside reflecting part 33 these 2 parts to form reflection part 30.
In the respective embodiments described above, as be fixed on matrix 10 with the opposed opposed faces of diffusion shell 50 on and keep holding member or the plate-shaped member of diffusion shell 50, exemplified with reflection part 30.But in the utility model, the structure of holding member or plate-shaped member is not limited to reflection part., holding member or plate-shaped member also can be configured to and not have reflexive liner.
In addition, using, reflection part 30 is inferior as the situation of holding member or plate-shaped member, also can arrange high reflection seal with the surface of the opposed LGP 40 of installation base plate 20, or implement highly reflective coated.According to this structure, can make efficiently light to diffusion shell 50 lateral reflections with the surface of the opposed LGP 40 of installation base plate 20, can expect the effect identical with the situation that uses reflection part 30.
Due to the concavity reflecting part 411 in LGP 40 not necessarily, so also can omit this concavity reflecting part 411.
In above-mentioned embodiment 1, protuberance 410 is cylindric, and still, also can make this protuberance 410 is polygon prism shape, and making embedded hole 310 is the shape with the inwall of many prismatics shape.In this situation, by making protuberance 410 and embedded hole 310 chimeric, can limit LGP 40 with respect to the position skew on the Zhou Fangxiang of circular element line.As the shape of the polygon prism of protuberance 410, can be any one of quadrangular shape, pentagonal prism shape, hexa-prism etc.
The embedded hole 310 of reflection part 30 can chimeric LGP 40 protuberance 410.Therefore, embedded hole 310 also can not connect reflection part 30 and be formed as recess (depressed part).
Reflection part 30 not necessarily, also can omit this reflection part 30.In this situation, replace reflection part 30, also can use the plate-shaped member that there is the shape identical with reflection part 30 and do not there is reflection characteristic.
Caulking part 515 is not limited to process situation about forming by hot riveting, also can form by additive method.For example, can pass through any one formation in punch process, rotary pressing processing, repairing processing.
Claims (11)
1. a lighting device, has:
Matrix;
The illuminating part of ring-type, is configured in the top of described matrix and has semiconductor light-emitting elements; And
Outer surface is all the cover of light transmission, is configured in the top of described matrix to be coated the mode of described illuminating part,
Described lighting device is characterised in that,
Described lighting device also have be fixed on described matrix with the opposed opposed faces of described cover on and keep the holding member of described cover,
Described cover have towards described matrix and the rib of the ring-type that forms along described illuminating part and with described rib continuously and erect the protuberance arranging towards described holding member,
Described holding member has the through hole that runs through insertion for described protuberance,
In the time of viewed in plan, described rib and described illuminating part are configured to a side and surround the opposing party,
Carry out hole enlargement by the leading section that is inserted into the described protuberance in described through hole to running through, described cover remains on described holding member.
2. lighting device as claimed in claim 1, wherein,
Described lighting device has installation base plate, and this installation base plate is configured between described holding member and described matrix, at substrate surface, described semiconductor light-emitting elements is installed,
Described holding member is the plate-shaped member along described cover configuration, and has the ejaculation light that makes described semiconductor light-emitting elements through the opening of described cover side.
3. lighting device as claimed in claim 2, wherein,
Described lighting device has LGP, and this LGP is configured between described cover and described holding member, has the through hole that runs through insertion for described protuberance, and in plate, guiding is penetrated from the ejaculation light of described semiconductor light-emitting elements and to described cover.
4. lighting device as claimed in claim 3, wherein,
Described illuminating part is mounted to, and multiple described semiconductor light-emitting elements form the element line of ring-type at described substrate surface,
Described LGP has light in part, and this light in part is formed as circle-shaped in the mode overlapping with the element line of described ring-type, and incident has the ejaculation light of described half and half conductor light-emitting component.
5. lighting device as claimed in claim 4, wherein,
In the time covering described in viewed in plan, described ring-type Lei center is consistent with the center of the element line being made up of described multiple semiconductor light-emitting elements.
6. the lighting device as described in any one in claim 3～5, wherein,
Described cover have that from the top of the described rib length direction along described rib forms and with the abutting part of the surperficial butt of described LGP.
7. the lighting device as described in any one in claim 1～5, wherein,
Described holding member is the reflection part that makes the ejaculation light reflection of described semiconductor light-emitting elements.
8. the lighting device as described in any one in claim 1～5, wherein,
Described leading section is caulking part.
9. the lighting device as described in any one in claim 1～5, wherein,
Described holding member is fixed with described matrix by screw threads for fastening.
10. the lighting device as described in any one in claim 1～5, wherein,
Described semiconductor light-emitting elements is LED.
11. lighting devices as described in any one in claim 1～5, wherein,
Described lighting device has the power subsystem for described light-emitting component being supplied with to electric power.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013086601A JP6252887B2 (en) | 2013-04-17 | 2013-04-17 | Lighting device |
| JP2013-086601 | 2013-04-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203823676U true CN203823676U (en) | 2014-09-10 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420181728.4U Expired - Fee Related CN203823676U (en) | 2013-04-17 | 2014-04-15 | Lighting device |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6252887B2 (en) |
| CN (1) | CN203823676U (en) |
| DE (1) | DE102014005302A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10826154B2 (en) * | 2016-07-26 | 2020-11-03 | Ene-Hub Pty Ltd | Concealed communications antenna and lighting feature |
| CN109307210A (en) * | 2018-11-29 | 2019-02-05 | 珠海市拓鑫光电科技有限公司 | A kind of ceiling lamp of Fast Installation |
| JP7246017B2 (en) * | 2019-02-22 | 2023-03-27 | パナソニックＩｐマネジメント株式会社 | lighting equipment |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6945683B2 (en) * | 2003-05-30 | 2005-09-20 | Guide Corporation | Thin lamp assembly method |
| JP4657248B2 (en) * | 2007-05-24 | 2011-03-23 | スタンレー電気株式会社 | lighting equipment |
| JP5322820B2 (en) | 2009-07-24 | 2013-10-23 | 三協立山株式会社 | Surface emitting device |
| JP5387283B2 (en) * | 2009-09-25 | 2014-01-15 | 東芝ライテック株式会社 | Lamp apparatus and lighting apparatus |
| JP2011222233A (en) * | 2010-04-07 | 2011-11-04 | Yazaki Corp | Light guide plate, and display device equipped with the same |
| JP5059202B2 (en) | 2011-02-04 | 2012-10-24 | シャープ株式会社 | LIGHTING DEVICE AND ELECTRONIC DEVICE USING THE SAME |
-
2013
- 2013-04-17 JP JP2013086601A patent/JP6252887B2/en active Active
-
2014
- 2014-04-10 DE DE102014005302.4A patent/DE102014005302A1/en not_active Withdrawn
- 2014-04-15 CN CN201420181728.4U patent/CN203823676U/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP6252887B2 (en) | 2017-12-27 |
| DE102014005302A1 (en) | 2014-10-23 |
| JP2014211972A (en) | 2014-11-13 |
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