CN204805984U

CN204805984U - Illumination is with light source and lighting device

Info

Publication number: CN204805984U
Application number: CN201390000845.XU
Authority: CN
Inventors: 中村康一; 松本雅人; 高桥健治
Original assignee: Panasonic Intellectual Property Management Co Ltd
Current assignee: Panasonic Intellectual Property Management Co Ltd
Priority date: 2012-11-01
Filing date: 2013-10-23
Publication date: 2015-11-25
Anticipated expiration: 2023-10-23
Also published as: JP2014179331A; JP5838310B2; WO2014068909A1; JP5690961B2; JP2014179332A; JP5658839B2; JPWO2014068909A1

Abstract

The utility model provides an illumination is with light source and lighting device. (20) component is covered with the peripheral parts of light source by the printing opacity of base station (30) of long and thin form and long and thin form to this illumination, this for the illumination light source possess: carried and put base plate (11) in base station (30), and by the configuration in base plate (11), and LED component (12) by printing opacity cover (20) cover, base station (30) have and are used for carrying the portion of putting (31) of carrying of putting base plate (11), at least, some exposes periphery portion (32) externally and is set up in the regional binding portion (34) of cavity that is surrounded by year portion of putting (31) and periphery portion (32), binding portion (34), by carrying portion of putting (31) and periphery portion (32) centre gripping, and set up with the relative position of LED component (12).

Description

Illumination light source and lighting device

Technical field

The utility model relates to illumination light source and lighting device, such as, relates to the Straight lamp of the light-emitting component with light emitting diode (LED:LightEmittingDiode) etc. and possesses the lighting device of this Straight lamp.

Background technology

LED is used for various product, and using as high efficiency and space-efficient light source, particularly, the research and development that make use of the lamp (LED) of LED are in progress.

LED has, the LED (bulb-shaped LED) of the bulb-shaped of the lamp-bulb type fluorescent lamp possessing luminous tube in replacement glass ball bulb lamp and the incandescent lamp bulb that make use of heater winding, or, replace the LED (Straight LED) etc. of the Straight of the straight-pipe fluorescent lamp at both ends with electrode coil.Such as, patent document 1 is open, Straight LED in the past.

In LED, multiple LED is utilized to be installed in LED module on substrate.Because temperature rises, light output reduces LED, and therefore, LED module, is positioned in as radiator to play the metal base station of function.

(prior art document)

(patent document)

Patent document 1: Japanese Unexamined Patent Publication 2009-043447 publication

Utility model content

The problem that utility model will solve

Straight LED lamp is standby, is provided with the peripheral framework of the elongated cylindrical of lamp holder at both ends.For the structure of peripheral framework, have studied various structure, such as, consider the structure being made up of peripheral framework the semicircular metal base station of the resinous diffuser of semi-circular cylindrical and cross section.LED module, is positioned in this metal base station.

In the Straight LED of such structure, the outer surface of base station exposes in an atmosphere, therefore, it is possible to the heat of LED module rejected heat in air via base station.

On the other hand, base station needs the intensity of regulation, but, be difficult to realize thermal diffusivity and all good base station of intensity.Particularly, for the Straight LED that the such peripheral framework of 110 shape is grown very much, the base station forming intensity high is very difficult.

In order to solve such problem, the purpose of this utility model is to provide can dispel the heat expeditiously to the heat of light-emitting component and possess illumination light source and the lighting device of the base station with high intensity.

For the means of dealing with problems

In order to realize described object, one of embodiment of the illumination light source that the utility model relates to, wherein, the peripheral components of this illumination light source is made up of the base station of elongate and the diffuser of elongate, it is characterized in that possessing: be positioned in the substrate of described base station, and be installed in described substrate, and the light-emitting component covered by described diffuser, described base station has mounting portion, outer part and linking part, described mounting portion is for loading described substrate, described outer part expose in outside at least partially, described linking part is arranged on the hollow region of being surrounded by described mounting portion and described outer part, described linking part, link described mounting portion and described outer part, and, be arranged on the position relative with described light-emitting component, described diffuser is the otch cylinder part with main opening, this main opening is cut along long side direction at a part for elongated cylinder, described diffuser can slide relative to described base station, groove is formed at described base station, this groove is for engaging the end of the described main opening of described diffuser, the end of the described main opening of described diffuser is inserted into the described groove of described base station from the end of a side of the long side direction of described base station, thus described diffuser and described base station are combined.

Further, in one of embodiment of the illumination light source related at the utility model, also can be, in described hollow region, be formed with hollow bulb through on the long side direction of described base station.

And, in one of embodiment of the illumination light source related at the utility model, also can be that the both ends of the short side direction of the described base station of described mounting portion are provided with protuberance, this protuberance giving prominence to towards described diffuser from the described substrate of the mounting of described mounting portion.

And, in one of embodiment of the illumination light source related at the utility model, also can be, described light-emitting component, long side direction along described base station is configured with multiple, and in row, described linking part is configured to, and extends to the end of the opposing party from the end of a side of the long side direction of described base station.

Further, in one of embodiment of the illumination light source related at the utility model, also can be, in the part exposed in outside of described outer part, be formed with jog.

Further, in one of embodiment of the illumination light source related at the utility model, also can be that described base station, is made up of metal.

And, in one of embodiment of the illumination light source related at the utility model, also can be, when so that the long side direction of described base station is carried out as the plane of normal the cross section cutting off described peripheral components, the end of the described main opening of described diffuser, is present in the position exceeding described substrate.

Further, one of embodiment of the lighting device that the utility model relates to, wherein, possesses one of embodiment of any one described illumination light source.

Utility model effect

According to the utility model, thermal diffusivity and the good base station of intensity can be realized.

Accompanying drawing explanation

Fig. 1 is the general survey oblique view of the Straight LED that embodiment of the present utility model relates to.

Fig. 2 is the exploded perspective view of the Straight LED that embodiment of the present utility model relates to.

Fig. 3 is the sectional view of the Straight LED that embodiment of the present utility model relates to.

Fig. 4 is the key diagram of situation when combining diffuser and base station in the Straight LED that relates to of embodiment of the present utility model.

Fig. 5 A is the sectional view of the Straight LED that comparative example 1 relates to.

Fig. 5 B is the sectional view of the Straight LED that comparative example 2 relates to.

Fig. 6 is the general survey oblique view of the lighting device that embodiment of the present utility model relates to.

Fig. 7 is the sectional view of the Straight LED that variation 1 of the present utility model relates to.

Fig. 8 A is the side view of the structure of Straight LED and the ligthing paraphernalia illustrating that variation 2 of the present utility model relates to.

Fig. 8 B is the sectional view of this Straight LED on the A-A' line of Fig. 8 A and ligthing paraphernalia.

Fig. 9 is the sectional view of the structure of the variation that LED module is shown.

Detailed description of the invention

Below, the illumination light source related to for embodiment of the present utility model and lighting device, be described with reference to accompanying drawing.And the embodiment below illustrated, all illustrates a preferred object lesson of the present utility model.Therefore, shown in following embodiment, numerical value, shape, material, inscape, inscape allocation position and connect form etc. and be, an example, instead of limit aim of the present utility model.Therefore, in the inscape of following embodiment, there is no the inscape recorded in independent claims that upper concept of the present utility model is shown, be illustrated as arbitrary inscape.

And each figure is ideograph, might not be the figure tightly illustrated.Further, in each figure, identical symbol is enclosed to identical component parts.

Below in an example, as an example of illumination light source, Straight LED (straight tube LED) is described.

[overall structure of lamp]

First, for the structure of the Straight LED 1 that embodiment 1 of the present utility model relates to, Fig. 1 and Fig. 2 is utilized to be described.Fig. 1 is the general survey oblique view of the Straight LED that embodiment of the present utility model relates to.Fig. 2 is the exploded perspective view of the Straight LED that embodiment of the present utility model relates to.

Straight LED 1 is, replaces the LED of the Straight of straight-pipe fluorescent lamp in the past, possesses the peripheral components (peripheral framework) of the dye being provided with lamp holder at both ends.

As Fig. 1 illustrates, the Straight LED 1 of the present embodiment is, the peripheral components of straight tube-like is configured to the structure of the Splittable that can be separated into the base station (not illustrating) of elongate and the diffuser 20 of elongate.Straight LED 1 is, such as, the Straight LED of 110 shapes, lamp total length is roughly 2367mm.

The lamp holder 40 arranged respectively at the both ends of the long side direction of peripheral components all, for the power supply lamp holder of powering to the LED module (not illustrating) of the inside being configured in peripheral components.That is, in the Straight LED 1 shown in Fig. 1, adopt lamp holder 40 by both party to carry out the both sides power supply mode of the power supply to LED module.Therefore, Straight LED, accepts the electric power from ligthing paraphernalia etc. respectively from the lamp holder 40 of both sides.

As shown in Figure 2, Straight LED 1 possesses, LED module 10, diffuser 20, base station 30, lamp holder 40 and lamp circuit (not illustrating).In the present embodiment, by diffuser 20 and base station 30, form the lamp door body (peripheral device) as peripheral components.That is, by combination diffuser 20 and base station 30, thus be formed in the framework that both ends have the tubulose of opening, using as peripheral components.Two lamp holders 40 are assembled in the lamp socket of ligthing paraphernalia, thus the Straight LED 1 so formed is supported in ligthing paraphernalia.

Below, for each component parts of Straight LED 1, Fig. 3 is utilized to be described in detail with reference to Fig. 2.Fig. 3 is the sectional view of the Straight LED that embodiment of the present utility model relates to.

[LED module]

As shown in Figure 2, LED module 10 is, the light source of Straight LED 1, in the mode covered by diffuser 20, base station 30 is placed with multiple along the long side direction of this base station 30.In the present embodiment, four LED modules 10 are utilized.

LED module 10 is, the light emitting module of (SMD:SurfaceMountDevice) type is installed on surface, possesses: substrate 11; Be arranged on multiple LED element 12 of substrate 11; In order to multiple LED element 12 be electrically connected, pattern is formed as the wiring (not illustrating) of regulation shape; And accept the electrode terminal (not illustrating) of the electric power for making LED element 12 luminescence.Substrate 11 is positioned in the mounting surface of base station 30, thus LED module 10 is configured in the mounting surface of base station 30.

Substrate 11 is, for installing the installation base plate of LED element 12.For substrate 11, can utilize with resin be base material resin substrate, take metal as the metal base substrate of base material or the glass substrate etc. that is made up of glass.For resin substrate, such as, the glass epoxy substrate (CEM-3, FR-4 etc.) be made up of glass fibre and epoxy resin can be utilized, the substrate (FR-1 etc.) be made up of paper phenol and paper epoxy, or the flexual flexible substrate be made up of polyimides etc.For metal base substrate, such as, aluminium alloy base plate, ferroalloy substrate or the copper alloy substrate etc. that are formed with dielectric film on surface can be utilized.The surface of base station 11 and the back side, become rectangular-shaped when overlooking.

LED element 12 is, an example of light-emitting component, is mounted on the substrate 11.In the present embodiment, multiple LED element 12 is installed to be, and the long side direction along substrate 11 is configured to row with wire.

Each LED element 12 is, LED chip and fluorophor packed, the light-emitting component of so-called SMD type.Each LED element 12, as Fig. 3 illustrates, possesses packaging body 12a, is configured in the seal member 12c of the LED chip 12b of packaging body 12a and sealing LED chip 12b.For LED element 12, such as, the White LED element sending white light can be utilized.

Packaging body 12a is, the container shaping by white resin etc., possesses the recess (cavity) of inverse circular cone trapezoidal shape.The medial surface of recess is inclined plane, is configured to the light from LED chip 12b is reflected upward.

LED chip 12b, is installed in the bottom surface of the recess of packaging body 12a.LED chip 12b is, sends the bare chip of monochromatic visible ray, by chip contact material (die-bond material), is installed in the bottom surface of the recess of packaging body 12a with chips welding.Such as, send the blue LED die of blue light after for LED chip 12b, energising can being utilized.

Seal member 12c is, comprise as optical wavelength conversion body fluorophor containing fluorophor resin, be the wavelength specified by the optical wavelength conversion (colour switching) from LED chip 12b, and sealing LED chip 12b protects LED chip 12b.Seal member 12c, is filled in the recess of packaging body 12a, is encased in the opening surface of this recess.Such as, for seal member 12c, when LED chip 12b is blue led, in order to obtain white light, can utilize yellow fluorophor particle dispersion that YAG (yttrium-aluminium-garnet) is in silicones containing fluorophor resin.Accordingly, yellow fluorophor particle releases sodium yellow by the blue excitation of blue LED die, therefore, from seal member 12c, releases white light by the blue light of the sodium yellow encouraged and blue LED die.And, in seal member 12c, also can comprise the photodiffusion material of silica etc.

The LED element 12 of formation like this, have two external connection terminals of positive pole and negative pole, these external connection terminals are electrically connected with the wiring being formed in substrate 11.

And wiring is, the metal line be made up of the metal of copper (Cu) etc., in order to multiple LED element 12 is electrically connected to each other, and, LED element 12 is electrically connected with electrode terminal, and pattern is formed as regulation shape.Further, electrode terminal is, accepts galvanic external connection terminals from the outside of LED module 10.The direct current accepted by electrode terminal is supplied to LED element 12, thus LED element 12 is luminous.

And then, in order to improve the light extraction efficiency of LED module 10, and white diaphragm can be formed on the surface of substrate 11.By forming white diaphragm, the insulating properties (withstand voltage) of substrate 11 can be improved, and, also can prevent wiring oxidation.

Each LED module 10 of formation like this.And the LED module 10 of the position nearest with lamp holder 40, is electrically connected with lamp circuit by connecting line etc.Further, the electrode terminal of adjacent LED module 10 is electrically connected by connecting line each other, thus the connection that multiple LED module 10 can be one another in series.

[diffuser]

Diffuser 20 is, cap assembly that form a part for the outer surface of peripheral components, that have light transmission.As shown in Figure 2, diffuser 20 is configured to, and covers the base station 30 being configured with multiple LED module 10.That is, diffuser 20, protection LED module 10.

As shown in Figure 2, diffuser 20, to cut a part for elongated cylinder along its long side direction (direction parallel with the tube axial direction of lamp) and the otch cylinder part of the main opening formed is formed by having.

And, as Fig. 3 illustrates, the inner surface of diffuser 20 and the contour shape of outer surface be, viewed from long side direction time (when so that the long side direction of diffuser 20 is carried out cut-out cross section as the plane of normal), and the shape that the part of the ring of proper circle is cut open.The main opening of diffuser 20, viewed from long side direction time, is formed in the scope that ratio 180 ° centered by the central shaft of diffuser 20 is little continuously.Therefore, diffuser 20, viewed from long side direction time, is formed in the scope of more than 180 ° centered by the central shaft of diffuser 20 continuously.And the inner surface of diffuser 20 and the contour shape of outer surface also can be, viewed from long side direction time, the shape that an oval part is cut open.

In the present embodiment, at the both ends (end of main opening) of the circumference of diffuser 20, claw 20a is formed with.The both ends of the circumference of diffuser 20 are internally bent, thus forms claw 20a.Claw 20a, chimeric with the groove 32b of base station 30.

Diffuser 20, is made up of the material of the light sent by LED module 10 to the outside transmission of lamp.Diffuser 20 is, such as, the resin material of propylene and polycarbonate etc. or glass material can be utilized to form.

And, also can form light diffusion part at diffuser 20, the light diffusion function making diffuser 20 have the light for making from LED module 10 to spread.Accordingly, the light radiated from LED module 10 can be made, the diffusion when passing through diffuser 20.Such as, light diffusion thin plate or optical diffusion film is formed at the inner surface of diffuser 20 or outer surface.More specifically, the resin of the photodiffusion material (particulate) containing silica and calcium carbonate etc. and Chinese white are attached to inner surface or the outer surface of diffuser 20, thus milky optical diffusion film can be formed.Other light diffusion part has, and is arranged on the inside of diffuser 20 or the lens arrangement thing of outside, or, be formed on recess or the protuberance of diffuser 20.Such as, at inner surface or the outer surface printed dot-pattern of diffuser 20, or, a part for diffuser 20 is processed, thus diffuser 20 also can be made to have light diffusion function.Or, utilize and disperseed the resin material of photodiffusion material etc. to carry out shaping diffuser 20 itself, thus diffuser 20 also can be made to have light diffusion function.

[base station]

Base station 30 is the supporting base stations for keeping (supporting) LED module 10.Further, base station 30 also, to the radiator (radiator) that dispels the heat of heat that LED module 10 occurs.Therefore, preferably, base station 30 is made up of the high thermal conductivity material of metal etc.The base station 30 of the present embodiment is, the metal base station be made up of aluminium.

As shown in Figure 2, base station 30 is, elongate parts, and multiple LED module 10 is loaded and is fixed on base station 30.LED module 10 and base station 30, such as, the mode that can be screwed fixes.Base station 30, is integrated with the mode and diffuser 20 that block the main opening of diffuser 20.And the fixing means of LED module 10 and base station 30, is not limited only to screw and fixes, fixed L ED module 10 and the base station 30 such as adhesive or other fixed part also can be utilized.

As Fig. 3 illustrates, under the state that base station 30 and diffuser 20 are integrated, viewed from long side direction base station 30, by the outline line of the front end of the exposed portion along base station 30 with form roughly proper circle along the outline line of the outer surface of diffuser 20.That is, the peripheral components be made up of base station 30 and diffuser 20 is, the shape roughly the same with the glass tube (straight tube) of straight-pipe fluorescent lamp.In the present embodiment, the diameter of the roughly cylindric peripheral components be made up of base station 30 and diffuser 20 is set to, φ 29.6mm.

As Fig. 3 illustrates, base station 30 has, for load LED module 10 (substrate 11) mounting portion 31, expose the outer part 32 at lamp outside (in the air outside lamp), the hollow bulb 33 as hollow sectors and linking part 34 at least partially.

Mounting portion 31, is configured to roughly tabular, has the mounting surface for loading LED module 10 (substrate 11).The mounting surface of mounting portion 31, relative with the inner surface of diffuser 20.In the present embodiment, the shape of mounting surface when overlooking base station 30 is, the rectangle of elongate.

And, as Fig. 3 illustrates, base station 30 is configured to, viewed from long side direction during base station 30 (when so that the long side direction of base station 30 is carried out cut-out cross section as the plane of normal), mounting portion 31 (mounting surface) is positioned between the central shaft (circle core shaft) of diffuser 20 and the main opening of diffuser 20.Accordingly, the distance between the mounting portion 31 (mounting surface) of base station 30 and the inner surface of diffuser 20 can be made to become greatly, therefore, it is possible to suppress the bright spot (flickering) of the light centered by LED element 12.Further, mounting portion 31, between the central shaft and the main opening of diffuser 20 of diffuser 20, accordingly, can make the length of linking part 34 shorten, and can improve the heat radiation of LED element 12.

Further, be provided with at the both ends of the short side direction of the base station 30 of mounting portion 31, from the protuberance 31a that the mounting surface of mounting portion 31 is outstanding to diffuser side (on the upside of the accompanying drawing of Fig. 3 direction).Protuberance 31a is configured to, and extends to the end (the accompanying drawing vertical direction of Fig. 3) of the opposing party from the end of a side of the long side direction of base station 30.By arranging protuberance 31a, compared with the situation of protuberance 31a is not set, the cross sectional moment of inertia of base station 30 can be made to become large.Accordingly, the flexural rigidity of the base station 30 of elongate can be improved, therefore, it is possible to suppress the bending of the lamp door body of elongate.And, in the present embodiment, height (from mounting surface to the height of the highest part of the protuberance 31a) h of protuberance 31a is set to 2mm.

And, more the flexural rigidity of base station 30 can be become large by higher for the height h of protuberance 31a, but if the height of protuberance 31a is become too high, then the part of covering the light of LED module 10 becomes large, and lamp light distribution angle diminishes.So, as Fig. 3 illustrates, preferably, the upper end of the LED module side of protuberance 31a is set to cone-shaped, shears bight.

And, for the width of protuberance 31a, also more cross sectional moment of inertia can be become large greatlyr, but, even if the width of protuberance 31a is become large, with the height of protuberance 31a is become compared with large situation, cross sectional moment of inertia can not be become large, on the contrary, become large amount according to by the width of protuberance 31a, the weight of base station 30 (metal) increases, and the amount of bow of base station 30 increases.If consider this situation, then do not need the width of protuberance 31a to become too large, and width is become compared with large situation, when the bending of base station 30 will can be suppressed when highly becoming large.

Outer part 32 is configured to, and cross sectional shape is roughly arc-shaped, and each with the both ends of mounting portion 31 of each of the roughly two end portions of circular arc is connected.Outer part 32, forms the outer surface of lamp door body, possesses jog 32a, a pair groove 32b, backs 32c and screw portion 32d.

Jog 32a, is formed on the part exposed in lamp outside of outer part 32.Jog 32a plays function as fin, the protuberance of jog 32a or recess, is formed in the end of end to the opposing party of a side of the long side direction from base station 30 continuously.By forming jog 32a, thus the surface area of base station 30 can be become large, therefore, it is possible to improve the thermal diffusivity of base station 30.And, preferably, by jog 32a, be arranged near linking part 34.Accordingly, can dispel the heat expeditiously to the heat of linking part 34.

Further, a pair groove 32b is formed, recessed from the outer surface (roughly circular arc dummy line) of outer part 32.Groove 32b is, the end being configured to a side of the long side direction from base station 30 extends to the groove (slide rail) of the end of the opposing party.In outer part 32, a pair groove 32b is formed, and clamps two jog 32a.

Be arranged on each of the claw 20a at the both ends (end of main opening) of the circumference of diffuser 20, be locked on a pair groove 32b each.Accordingly, base station 30 can be linked to come into be integrated with diffuser 20.Specifically, from the end of a side of the long side direction of base station 30, the end (claw 20a) of the circumference of diffuser 20 is inserted into groove 32b, as Fig. 4 illustrates, diffuser 20 is slided to the depths of base station 30, thus diffuser 20 and base station 30 can be combined.So, diffuser 20, is assemblied in base station 30 under the state that can slide.And, in the present embodiment, the claw 20a at the both ends of the circumference of diffuser 20, chimeric with groove 32b.

So, in the present embodiment, the both ends (claw 20a) of the circumference of diffuser 20 are embedded in the groove 32b of outer part 32, and therefore, diffuser 20, except the mounting portion 31 of base station 30, also covers a part for the outer part 32 of base station 30.That is, viewed from long side direction during base station 30 (cross section is looked), the end of the main opening of diffuser 20, is present in the position exceeding LED module 10 (substrate 11).And the part do not covered by diffuser 20 in base station 30 is exposed at lamp outside.

Backs 32c is formed, and the outer surface of outer part 32 (roughly circular arc dummy line) is retreated to the inside.Accordingly, the outer surface of base station 30 (outer part 32) can be suppressed to contact with the inner surface of diffuser 20.Therefore, when making diffuser 20 slip be inserted into base station 30, the friction of diffuser 20 and base station 30 can be relaxed, and, the distortion of the diffuser 20 accepted from metal base station 30 can be relaxed.

Screw portion 32d is, for carrying out the fixing screw of screw to base station 30 and lamp holder 40.When lamp holder 40 is fixed to base station 30, screw 44 is inserted into screw portion 32d.As Fig. 3 illustrates, in the present embodiment, a screw portion 32d is formed with in the cross section apparent time of base station 30.And screw portion 32d, is at least formed on the both ends of the long side direction of base station 30.

Hollow bulb 33, is arranged on the semicircular hollow region of being surrounded by mounting portion 31 and outer part 32.Hollow bulb 33, penetrates into the end of the opposing party from the end of a side of the long side direction of base station 30.By arranging hollow bulb 33, thus can by base station 30 lightweight.Accordingly, the flexural rigidity of base station 30 can be improved.And, in hollow bulb 33, also can configure the lamp part of power circuit etc.

Linking part 34 is configured to, and in the hollow region of being surrounded by mounting portion 31 and outer part 32, mounting portion 31 and outer part 32 is linked.Linking part 34, is arranged between two hollow bulbs 33.That is, linking part 34, is divided into two hollow bulbs 33 by hollow region.Linking part 34 is, the post parts of tabular, and the end being configured to a side of the long side direction from base station 30 extends to the end of the opposing party.In the present embodiment, the height (comprising height during screw portion 32d) of the linking part 34 of base station 30 is set to 9mm.

As Fig. 3 illustrates, the end of a side of linking part 34 is connected to mounting portion 31, and the end of the opposing party of linking part 34 is connected to outer part 32.Linking part 34 is configured to, and is clamped, between mounting portion 31 and outer part 32, play function as the support unit supporting mounting portion 31 and outer part 32 by mounting portion 31 and outer part 32.So, between mounting portion 31 and outer part 32, linking part 34 is by crane span structure, therefore, with do not arrange linking part 34 situation structure compared with, the intensity of base station 30 can be improved.

And then linking part 34, is arranged on the position relative with LED element 12.That is, linking part 34, be arranged on LED element 12 just below position.Accordingly, the heat that LED element 12 can be occurred, is transmitted to outer part 32 expeditiously via linking part 34.Therefore, with do not arrange linking part 34 situation structure compared with, the thermal diffusivity of base station 30 can be improved.

The base station 30 that also can will so form, is set to extrded material or drawable material.The base station 30 of the present embodiment is, the extrded material be made up of aluminium.And, for base station 30, resinous resin base station also can be set to.In the case, preferably, the resin material utilizing thermal conductivity high.

And, slide after being inserted into base station 30 making diffuser 20, also can as required, diffuser 20 and base station 30 are by adhesions such as adhesives.And, in the present embodiment, make the claw 20a of diffuser 20 chimeric with the groove 32b of base station 30 thus diffuser 20 is integrated with base station 30 one-tenth, but also can be, claw 20a and groove 32b is not set, and the outer surface of the inner surface of diffuser 20 and base station 30 is by adhesions such as adhesives, thus diffuser 20 is integrated with base station 30 one-tenth.

Further, in the present embodiment, linking part 34 is formed, and the end being configured to a side of the long side direction from base station 30 extends to the end of the opposing party, but, be not limited only to this.Also can from the end of a side of the long side direction of base station 30 to the end of the opposing party, the multiple linking part 34 of interrupted formation.In the case, in order to carry out the heat radiation of each LED element 12 expeditiously, and preferably, by each of multiple linking part 34, be arranged on the position of the respective correspondence of multiple LED element 12.So, interrupted form multiple linking part 34, thus can by base station 30 lightweight, therefore, it is possible to improve the flexural rigidity of base station 30.

[lamp holder]

Lamp holder 40 is, for the power supply lamp holder of powering to the LED element 12 of LED module 10.Lamp holder 40 also, accepts the powered lamp holder of the electric power of LED element 12 lighting for making LED module 10 from lamp outside (source power supply etc.).

As shown in Figure 2, each of a pair lamp holder 40 is set to lid, to cover each of the both ends of the long side direction of the peripheral components that diffuser 20 and base station 30 are integrated and are formed.

The lamp holder 40 of the present embodiment comprises, and the cap body 41 be made up of the synthetic resin of polybutylene terephthalate (PBT) (PBT) etc. and be made up of the metal material of brass etc. a pair of electric conductivity are for electrical prongs 42.Cap body 41 is configured to, and roughly has round-ended cylinder shape.Be configured to for electrical prongs 42, externally give prominence to from the bottom of cap body 41 for a pair.That, in order to make LED element 12 lighting carry out the pin of powering, what accept the electric power of regulation as the external equipment from ligthing paraphernalia etc. plays function by electrical prongs for electrical prongs 42.Such as, lamp holder 40 is arranged on the lamp socket of ligthing paraphernalia, thus a pair becomes for electrical prongs 42 state accepting electric power from the supply unit be built in ligthing paraphernalia.

The alternating current accepted from the AC power of commercialization for electrical prongs 42 via this pair, is supplied to the lamp circuit be built in lamp door body.Lamp circuit (not illustrating) is, for controlling the drive circuit of the lighting state of the LED element 12 of LED module 10, such as, is be galvanic power circuit by the convert alternating current of input.Can by lamp circuit, the mounting portion 31 being positioned in base station 30, be configured in base station 30 hollow bulb 33 in or be configured in lamp holder 40.And, also ligthing paraphernalia can be arranged on power circuit, accept direct current from for electrical prongs 42.In the case, lamp circuit, carries out rectification to export by the direct current of the electric power of acceptance.

Further, as Fig. 2 and Fig. 3 illustrates, lamp holder 40 has screw 43, and screw 44 is inserted into screw 43, thus lamp holder 40 screw is fixed on base station 30.That is, lamp holder 40 is installed at the both ends of the long side direction of the peripheral components being integrated and forming at diffuser 20 and base station 30, screw 44 inserted and is screwed into the screw 43 of lamp holder 40 and the screw portion 32d of base station 30, thus lamp holder 40 can be fixed to base station 30.

And, in the present embodiment, be set to and carry out the both sides power supply mode of powering from the lamp holder 40 of both sides, but, also can be set to and only carry out the one-sided power supply mode of powering from the lamp holder 40 of a side.In the case, do not carry out the lamp holder 40 of the side powered, become non-powered lamp holder, as the department of assembly for Straight LED 1 being assembled to ligthing paraphernalia to play function.In the case, for electrical prongs 42, become non-powered pin.Non-powered pin is also passable, is not two but one.

Further, when the lamp holder 40 of a side is set to non-powered lamp holder, this lamp holder 40 also can be made to have grounding function.In the case, non-powered pin is set to grounding pin, by non-powered pin and base station 30 grounding connection, makes base station 30 ground connection via ligthing paraphernalia.

Further, in the present embodiment, the L shape lamp holder of the confession electrical prongs 42 with L-shaped is set to, but, also can be set to G13 lamp holder.

(feature structure of the present utility model)

Then, the feature structure of the Straight LED 1 related to for the present embodiment and action effect, utilize Fig. 3, Fig. 5 A and Fig. 5 B to be described.Fig. 5 A is the sectional view of the Straight LED that comparative example 1 relates to, and Fig. 5 B is the sectional view of the Straight LED that comparative example 2 relates to.

As Fig. 5 A illustrates, the Straight LED 100A that comparative example 1 relates to possesses, the diffuser 120A of the semi-circular cylindrical be made up of resin, the half-terete base station 130A be made up of metal and the LED module 10 being positioned in base station 130A.The base station 130A of comparative example 1, owing to being solid construction, therefore has good thermal diffusivity.

But the base station 130A of solid construction, because inside is filled with metal and Heavy Weight, therefore, Problems existing is, causes the peripheral components (lamp door body) of the elongate be made up of diffuser 120A and base station 130A to bend.

Such as, situation Straight LED 100A being installed to ligthing paraphernalia user is inferior, when user holds the end of a side of Straight LED 100A, has following situation, because of deadweight, the end of the opposing party sinks, thus causes Straight LED 100A to bend.Further, also have following situation, after Straight LED 1 is installed to ligthing paraphernalia, bend because of deadweight, thus central portion sinks.Particularly, for the Straight LED of 110 shapes, lamp total length is very long, therefore, when holding the end of a side, the amount of bow of more than 35mm occurs in the end of the opposing party.

So, the structure shown in Fig. 5 B can be considered.The Straight LED 100B that comparative example 2 shown in Fig. 5 B relates to possesses, diffuser 120A, the base station 130B be made up of metal and the LED module 10 being positioned in base station 130B.The base station 130B of comparative example 2, owing to being hollow structure, has hollow bulb 133B in inside, therefore, compared with the base station 130A of comparative example 1, become lightweight.Accordingly, compared with comparative example 1, the bending of peripheral components (lamp door body) can be suppressed.

But according to the structure of the base station 130B of comparative example 2, thermal diffusivity reduces, and intensity reduces.Particularly, for the Straight LED that the total length that 110 shapes are such is grown very much, form intensity and all good base station of thermal diffusivity is very difficult.

To this, as Fig. 3 illustrates, the base station 30 of the present embodiment, has the linking part 34 being arranged on the hollow region of being surrounded by mounting portion 31 and outer part 32, and this linking part 34, links with mounting portion 31 and outer part 32, and, be arranged on the position relative with LED element 12.

So, in the Straight LED 1 of the present embodiment, base station 30 is provided with hollow region (hollow bulb 33), and base station 30 becomes lightweight.Accordingly, compared with the situation of hollow region (hollow bulb 33) is not set, cross sectional moment of inertia can be become large, the flexural rigidity of base station 30 can be improved.Therefore, even if the peripheral components be made up of diffuser 20 and base station 30 (lamp door body) is elongate, the bending of peripheral components also can be suppressed.And, according to the Straight LED of 110 shapes of structure that make use of the present embodiment, when holding the end of a side, amount of bow can be suppressed to about 10mm.

And then in the Straight LED 1 of the present embodiment, linking part 34 links mounting portion 31 and outer part 32, and linking part 34 plays function as the strengthening part of base station 30.Accordingly, the rigidity of base station 30 can be improved, therefore, it is possible to improve the intensity of base station 30.

And linking part 34 is arranged on the position relative with LED element 12, therefore, it is possible to heat LED element 12 occurred, be transmitted to outer part 32 expeditiously via linking part 34, reject heat to lamp outside (in extraneous air).Accordingly, the thermal diffusivity of base station 30 can be improved.

Further, in the present embodiment, the diameter of the peripheral components of the summary cylindrical shape be made up of base station 30 and diffuser 20 is, φ 29.6mm, larger than the diameter phi 25.5mm of the peripheral components of 40 shape LED in the past.

Accordingly, the height of base station 30 and width can be become large, the cross sectional moment of inertia of base station 30 becomes large, can improve the flexural rigidity of base station 30.Accordingly, flexural rigidity becomes large, therefore, it is possible to the distance of the mounting portion 31 of base station 30 and diffuser 20 is become large, thus can suppress the bright spot (flickering) of LED element 12.So, the diameter of peripheral components is become large, thus the flexural rigidity of base station 30 can be guaranteed, and, also can suppress the bright spot (flickering) of LED element 12.

Above, according to the Straight LED 1 that the present embodiment relates to, thermal diffusivity and all good base station of intensity can be realized.And then, even peripheral components elongate, owing to having high flexural rigidity, therefore, also can suppress bending.

(lighting device)

Then, for the lighting device 2 that embodiment of the present utility model relates to, Fig. 6 is utilized to be described.Fig. 6 is the general survey oblique view of the lighting device that embodiment of the present utility model relates to.

As Fig. 6 illustrates, the lighting device 2 that the present embodiment relates to is, the lighting device of basic illumination type possesses Straight LED 1 and ligthing paraphernalia 3.In the present embodiment, as Fig. 6 illustrates, utilize two Straight LED 1.

Ligthing paraphernalia 3 possesses, and is electrically connected and keeps a pair lamp socket 4 of this Straight LED 1 and be equipped with the appliance body 5 of this lamp socket 4 with Straight LED 1.Appliance body 5 is, such as, carries out punch process etc. can be shaped to aluminium steel plate.Further, the inner surface of appliance body 5 is, makes the reflecting surface that the light sent from Straight LED 1 reflects to prescribed direction (such as below).

The ligthing paraphernalia 3 of formation like this, such as, is arranged on ceiling etc. via fixer.And, the cap assembly of light transmission also can be set in the mode covering Straight LED 1.

As mentioned above, the Straight LED 1 that the present embodiment relates to, can realize as lighting device etc.

(variation)

Below, the variation of the Straight LED that the present embodiment relates to is described.

(variation 1)

First, for the Straight LED 1A that variation 1 of the present utility model relates to, Fig. 7 is utilized to be described.Fig. 7 is the sectional view of the Straight LED that variation 1 of the present utility model relates to.

As Fig. 3 illustrates, in the embodiment shown, linking part 34 is configured to, one is formed with the mounting portion 31 of base station 30 and outer part 32, but Straight LED 1A as shown in Figure 7, can be set to the parts different from mounting portion 31 and outer part 32 by linking part 34A.

In the case, by the protuberance of each of the mounting portion 31 and outer part 32 that are arranged on base station 30A, chimeric with the recess being arranged on linking part (coupling component) 34A, thus mounting portion 31 and outer part 32 can be linked with linking part 34A.

The linking part 34A that can will so form, slides from the end of a side of the long side direction of base station 30 and is inserted between mounting portion 31 and outer part 32.And, for the material of linking part 34A, the material identical with mounting portion 31 and outer part 32 can be set to, but, also can be set to different materials.Be set to other material, in order to improve the heat radiation of LED element 12, and preferably, the thermal conductivity of linking part 34A is larger than the thermal conductivity of mounting portion 31 and outer part 32.

And, in this variation, be provided with protuberance in each of mounting portion 31 and outer part 32, be provided with recess at linking part 34A, but, in contrast, also can be configured to, recess is set in each of mounting portion 31 and outer part 32, and, at linking part (coupling component), protuberance is set, recess is chimeric with protuberance.

(variation 2)

Then, the Straight LED 1B related to for variation 2 of the present utility model and the lighting device possessing it, utilize Fig. 8 A and Fig. 8 B to be described.Fig. 8 A is the side view of the structure of Straight LED and the ligthing paraphernalia illustrating that variation 2 of the present utility model relates to, and Fig. 8 B is the sectional view of this Straight LED on the A-A' line of Fig. 8 A and ligthing paraphernalia.

As Fig. 8 A and Fig. 8 B illustrates, the Straight LED 1B of this variation is, the peripheral components of the elongate be made up of diffuser 20 and base station 30 is arranged two with linearity on long side direction, arranges the structure of connecting member 50 at the boundary member of this peripheral components.Such as, utilize and form a peripheral components with the diffuser 20 of the length of the glass tube same degree of 40 shape fluorescent lamps and base station 30, it is arranged two with linearity, thus the lamp of length identical with the Straight LED of 110 shapes in fact can be formed.And, at peripheral components base station 30 separately, configuration LED module 10.

Connecting member 50 is, such as, cylinder part, is configured to each of the end of covering two peripheral components.Connecting member 50 and base station 30, such as, fixed by screw.Connecting member 50, also can be made up of non-light transmittance material, but, in order to not cover the light of LED module 10, and to the outside printing opacity of lamp, preferably, be made up of translucent material, be especially made up of transparent material.For the material of connecting member 50 with light transmission, such as, resin or glass can be utilized.

Further, as Fig. 8 A and Fig. 8 B illustrates, in this variation, at the appliance body 5 of ligthing paraphernalia, hook 6 is provided with.At hook 6, in order to clamp Straight LED 1B, and be provided with the clamping part 6a of C shape.In this variation, the clamping part 6a of hook 6, the connecting member 50 of clamping Straight LED 1B.

According to this variation, kept the middle body of Straight LED 1B by the hook 6 being arranged on ligthing paraphernalia.Accordingly, the joining part (middle body of lamp entirety) of two peripheral components of Straight LED 1B can be suppressed to bend.

And, in this variation, make use of two peripheral components, but, be not limited only to this.Such as, also can utilize plural peripheral components, connecting member 50 and hook 6 are set at the joining part of each peripheral components.Further, also only connecting member 50 can be set at a peripheral components.That is, also connecting member 50 and hook 6 can be set at the middle body of the Straight LED 1 of embodiment 1.

Further, also human body sensor can be set at connecting member 50.By arranging human body sensor, thus the existence that can detect people is to control the lighting of Straight LED and to turn off the light.And, at connecting member 50, the electronic unit etc. beyond human body sensor also can be set.

(other)

Above, the illumination light source related to for the utility model and lighting device, be illustrated according to embodiment and variation, but the utility model, is not limited only to described embodiment and variation.

Such as, in described embodiment and variation, by LED module 10, be set to the LED module of the SMD type of the LED element 12 that make use of packedization, but, be not limited only to this.Specifically, as Fig. 9 illustrates, also can be LED module 10A substrate 11 directly being installed multiple LED chip 12A, sealed COB (ChipOnBoard) type of the structure of multiple LED chip by seal member 13 (containing fluorophor resin) in the lump.

Further, in described embodiment and variation, LED module (LED element) although the structure adopted releases white light by blue LED die and yellow fluorophor, be not limited only to this.Such as, in order to improve color rendering, except yellow fluorophor, red-emitting phosphors and green-emitting phosphor can also be mixed.Further, also can be configured to, not utilize yellow fluorophor, and utilize containing red-emitting phosphors and green-emitting phosphor containing fluorophor resin, it and blue LED die combination are released white light.

Further, in described embodiment and variation, for LED chip, the LED chip of the light of the color sent beyond blueness can also be utilized.Such as, when utilizing the LED chip of luminescence-utraviolet, for fluorophor particle, send the combination of each color fluorescence body particle of the light of three primary colors (red, green, blue).And then, also the wavelength shifter beyond fluorophor particle can be utilized, such as, for wavelength shifter, the material of material of light also can utilize light that comprise semiconductor, metal misfit thing, organic dyestuff, pigment etc., that absorb certain wavelength, sending the wavelength different from the light absorbed.

And, in described embodiment and variation, show the example of the LED as light-emitting component, but, also can utilize the solid-state light emitting element of the semiconductor light-emitting elements of semiconductor laser etc., organic EL (ElectroLuminescence) or inorganic EL etc.

In addition, various distortion those skilled in the art can expected are executed in the form of embodiment and variation, or are all included in the utility model the form after the inscape in embodiment and variation and function combine in the scope not departing from purport of the present utility model.

Industrial applicibility

The utility model, can be used in the illumination light source of the light-emitting component that make use of LED etc., particularly Straight LED widely and possess its lighting device etc.

symbol description

1,1A, 1B, 100A, 100B Straight LED

2 lighting devices

3 ligthing paraphernalias

4 lamp sockets

5 appliance bodies

6 hooks

6a clamping part

10,10ALED module

11 substrates

12LED element

12a packaging body

12bLED chip

12c, 13 seal members

12ALED chip

20,120A diffuser

20a claw

30,30A, 130A, 130B base station

31 mounting portions

31a protuberance

32 outer parts

32a jog

32b groove

32c backs

32d screw portion

33,133B hollow bulb

34,34A linking part

40 lamp holders

41 cap body

42 for electrical prongs

43 screws

44 screws

50 connecting members

Claims

1. an illumination light source, the peripheral components of this illumination light source is made up of the base station of elongate and the diffuser of elongate, it is characterized in that possessing:

Be positioned in the substrate of described base station; And

Be installed in described substrate and the light-emitting component covered by described diffuser,

Described base station has mounting portion, outer part and linking part, described mounting portion for loading described substrate, described outer part expose in outside at least partially, described linking part is arranged on the hollow region of being surrounded by described mounting portion and described outer part,

Described linking part, links described mounting portion and described outer part, and, be arranged on the position relative with described light-emitting component,

Described diffuser is the otch cylinder part with main opening, and this main opening is cut along long side direction at a part for elongated cylinder, and described diffuser can slide relative to described base station,

Be formed with groove at described base station, this groove for engaging the end of the described main opening of described diffuser,

The end of the described main opening of described diffuser is inserted into the described groove of described base station from the end of a side of the long side direction of described base station, thus described diffuser and described base station are combined.

2. illumination light source as claimed in claim 1, is characterized in that,

In described hollow region, be formed with hollow bulb through on the long side direction of described base station.

3. illumination light source as claimed in claim 1 or 2, is characterized in that,

The both ends of the short side direction of the described base station of described mounting portion are provided with protuberance, this protuberance giving prominence to towards described diffuser from the described substrate of the mounting of described mounting portion.

4. illumination light source as claimed in claim 1 or 2, is characterized in that,

Described light-emitting component, the long side direction along described base station is configured with multiple, and in row,

Described linking part is configured to, and extends to the end of the opposing party from the end of a side of the long side direction of described base station.

5. illumination light source as claimed in claim 1 or 2, is characterized in that,

In the part exposed in outside of described outer part, be formed with jog.

6. illumination light source as claimed in claim 1 or 2, is characterized in that,

Described base station, is made up of metal.

7. illumination light source as claimed in claim 1, is characterized in that,

When so that the long side direction of described base station is carried out as the plane of normal the cross section cutting off described peripheral components, the end of the described main opening of described diffuser, is present in the position exceeding described substrate.

8. a lighting device, is characterized in that,

Possesses the illumination light source according to any one of claim 1 to 7.