CN204879985U - Illumination is with light source and lighting device - Google Patents

Abstract

Illumination is with light source and lighting device, as the illumination with lamp (10) of light source be, cylindric rim straight tube lamp physically has, possesses: LED module (50) are set up the inside at the rim body, just have LED (53) and are provided with mounting substrate (52) of LED (53) on the surface, printing opacity cover (20) constitutes the partly of the rim body, and covers the surface of mounting substrate (52), and base station (30), constitute other partly of the rim body, LED module (50) are provided with on the surface, printing opacity cover (20) is the partly incision drum part along main opening (21) that the incision of long and thin direction formed that has long and thin drum, base station (30), keep printing opacity cover (20) with the mode of blockking up main opening (21), the back of base station (30) partly, constitute the surface of the drum structure of the rim body, other partly at the back of base station (30), cover by printing opacity cover (20), other partly at the back of base station (30), be formed with slot (31) that keep printing opacity cover (20).

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 LED of the Straight that make use of light emitting diode (LED:LightEmittingDiode) and possesses the lighting device of this LED.

Background technology

LED is high efficiency and long-life, and be therefore expected as the new light-emitting component in the various illumination light sources such as in the past known fluorescent lamp and incandescent lamp bulb, the research and development employing the LED of the illumination light source (lamp) of LED are in progress.

As LED, the LED (bulb-shaped LED) etc. of the LED (Straight LED) having the Straight replacing the straight-pipe fluorescent lamp at both ends with electrode coil or the bulb-shaped replacing lamp-bulb type fluorescent lamp and incandescent lamp bulb.Such as, the open Straight LED in the past of patent document 1.

(prior art document)

(patent document)

Patent document 1: Japanese Unexamined Patent Publication 2009-43447 publication

And, in Straight LED, utilize and possess installation base plate and be arranged on the LED module of the multiple LED on this installation base plate, using as light source.And, in Straight LED, the base station being used for dispelling the heat to the heat of LED module is set, specifically, the base station being used for dispelling the heat to the heat occurred in LED is set, using the setting table as LED module.Possesses the Straight LED of such base station, there is Straight LED that base station is set in the diffuser of the tubular at glass tube etc. (bulb lamp) and the shape that diffuser to be divided into two parts by opening is set at diffuser, and the Straight LED of the segmentation structure of base station is set in the mode blocking this opening.In the former Straight LED, be only made up of the framework (lamp door body) of Straight LED diffuser, but, in the Straight LED of the latter, form lamp door body by base station and diffuser these two.When being made up of lamp door body base station, a part for base station can be exposed in extraneous air, therefore, it is possible to improve the radiating efficiency of LED module.

But, in the Straight LED of described segmentation structure, be made up of a part for lamp door body the base station of the light-proofness of metal base station etc., therefore, the light of LED module can not be penetrated from the part of the lamp door body be made up of base station.Therefore, the problem that the Straight LED of segmentation structure has is that light distribution angle is narrow.

Utility model content

So in view of described problem points, the purpose of this utility model is to provide the illumination light source and lighting device with wide light distribution angle.

In order to realize described object, have the illumination light source of cylindric framework, wherein, possess: light emitting module, this light emitting module is arranged on the inside of described framework, and has light-emitting component and substrate, and the surface of this substrate is provided with described light-emitting component, diffuser, this diffuser forms a part for described framework, and covers the surface of described substrate, and base station, this base station forms other a part of described framework, the surface of this base station is provided with described light emitting module, described diffuser is the otch cylinder part with main opening, this main opening is cut along direction of elongate at a part for elongated cylinder, described base station, described diffuser is kept in the mode blocking described main opening, the part at the back side of described base station, form the outer surface of the cylindrical conformation of described framework, other the part at the back side of described base station, covered by described diffuser, in other the part at the back side of described base station, be formed with the groove keeping described diffuser, in the end of the circumference of described diffuser, there is notch, viewed from rectangular direction during described diffuser, this notch with respect to the horizontal plane indention.

In order to realize described object, have the illumination light source of cylindric framework, wherein, possess: light emitting module, this light emitting module is arranged on the inside of described framework, and has light-emitting component and substrate, and the surface of this substrate is provided with described light-emitting component, diffuser, this diffuser forms a part for described framework, and covers the surface of described substrate, and lamp holder, be configured to the opening of the end blocking described framework, base station, this base station forms other a part of described framework, the surface of this base station is provided with described light emitting module, described diffuser is the otch cylinder part with main opening, this main opening is cut along direction of elongate at a part for elongated cylinder, described base station, described diffuser is kept in the mode blocking described main opening, the part at the back side of described base station, form the outer surface of the cylindrical conformation of described framework, other the part at the back side of described base station, covered by described diffuser, in other the part at the back side of described base station, be formed with the groove keeping described diffuser.

Further, in one of embodiment of the illumination light source related at the utility model, also can be, described base station, in the part at the described back side, there is Structure of radiating fin.

Further, in one of embodiment of the illumination light source related at the utility model, also can be that described groove is formed by the fin forming described Structure of radiating fin.

Further, in one of embodiment of the illumination light source related at the utility model, also can be, described illumination light source also possesses lamp holder, this lamp holder is configured to the opening of the end blocking described framework, described groove, is communicated with the screw for fixing described lamp holder.

Further, in one of embodiment of the illumination light source related at the utility model, also can be, described diffuser, be maintained at described groove in the mode that can slide.

Further, in one of embodiment of the illumination light source related at the utility model, also can be, the end of the circumference of described diffuser, chimeric with described groove.

Further, in one of embodiment of the illumination light source related at the utility model, also can be that, viewed from direction of elongate during described diffuser, the end of the circumference of described diffuser is outstanding to the below of described substrate.

And, in one of embodiment of the illumination light source related at the utility model, also can be, there is the illumination light source of elongate framework, possess: light emitting module, this light emitting module is arranged on the inside of described elongate framework, and has light-emitting component and substrate, and the surface of this substrate is provided with described light-emitting component; As described elongate framework a part, the diffuser on the surface that covers described substrate; As described elongate framework other a part, have described light emitting module in surface configuration and there is the base station of heat-dissipating structure overleaf; And covering the lamp holder having bottomless drum shape shape of the end on the long side direction of described elongate framework, described lamp holder has ventilating structure, and this ventilating structure is used for making extraneous air flow into described heat-dissipating structure via this lamp holder.

Further, in one of embodiment of the illumination light source related at the utility model, also can be that described ventilating structure is, is arranged on the blow vent of the bottom surface of described lamp holder.

And, in one of embodiment of the illumination light source related at the utility model, also can be, the described bottom surface of described lamp holder, be that the first planar portions of the plane of normal and the second planar portions are formed by the long side direction comprising described elongate framework, in described first planar portions, be provided with the described blow vent be oppositely disposed with the end sides of described base station, in described second planar portions, be provided with the splicing ear be connected with outside lamp socket in the mode that can load and unload, described first planar portions is relative to described second planar portions, closer to the central authorities of the long side direction of described elongate framework on the long side direction of described elongate framework.

Further, in one of embodiment of the illumination light source related at the utility model, also can be that described ventilating structure is, the opening portion that the part of the side of the barrel shape of described lamp holder is cut open.

Further, in one of embodiment of the illumination light source related at the utility model, also can be that described heat-dissipating structure is, be laid on the structure of the multiple fin configuration adjacent one another are on the long side direction of described elongate framework.

Further, in one of embodiment of the illumination light source related at the utility model, also can be that described ventilating structure is, corresponding with the concaveconvex shape of adjacent multiple described fin and be arranged on the concaveconvex shape of the side of the barrel shape of described lamp holder.

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

According to the utility model, illumination light source and the lighting device with wide light distribution angle can be realized.

Accompanying drawing explanation

Fig. 1 is the oblique view of the lamp that embodiment 1 of the present utility model relates to.

Fig. 2 is the exploded perspective view of the lamp that embodiment 1 of the present utility model relates to.

Fig. 3 is the amplification oblique drawing of a part for the lamp that embodiment 1 of the present utility model relates to.

Fig. 4 is the oblique view of the LED module that embodiment 1 of the present utility model relates to.

Fig. 5 A and Fig. 5 B is the sectional view of the lamp that embodiment 1 of the present utility model relates to.

Fig. 6 is the sectional view of the lamp that the variation of embodiment 1 of the present utility model relates to.

Fig. 7 is the oblique view of the structure that the Straight LED that embodiment 2 of the present utility model relates to is shown.

Fig. 8 is the exploded perspective view of the Straight LED that embodiment 2 of the present utility model relates to.

Fig. 9 is the oblique view from surface of the LED module that relates to of embodiment 2 of the present utility model and base station.

Figure 10 is front elevation and the side view of the cap body that embodiment 2 of the present utility model relates to.

Figure 11 A is the end oblique view of the Straight LED of the function of the blow vent of the cap body related to for illustration of embodiment 2 of the present utility model.

Figure 11 B is the end sides figure of the Straight LED of the function of the blow vent of the cap body related to for illustration of embodiment 2 of the present utility model.

Figure 11 C is the sectional view of the elongate framework of the function of the blow vent of the cap body related to for illustration of embodiment 2 of the present utility model.

Figure 12 A is the end oblique view of the Straight LED of the ventilating structure of the cap body related to for illustration of the variation 1 of embodiment 2 of the present utility model.

Figure 12 B is front elevation and the side view of the cap body that the variation 1 of embodiment 2 of the present utility model relates to.

Figure 13 is the oblique view of the lighting device that embodiment 3 of the present utility model relates to.

Figure 14 A is the plane of the LED module that the variation of embodiment 1 of the present utility model relates to.

Figure 14 B is the sectional view of the LED module that the variation of embodiment 1 of the present utility model relates to.

Figure 15 A is the base station back view of the variation 1 of the heat-dissipating structure that the Straight LED that embodiment 2 of the present utility model relates to is shown.

Figure 15 B is the base station back view of the variation 2 of the heat-dissipating structure that the Straight LED that embodiment 2 of the present utility model relates to is shown.

Detailed description of the invention

Below, for embodiment of the present utility model, accompanying drawing is utilized to be described in detail.And the embodiment below illustrated, all illustrates a preferred object lesson of the present utility model.The allocation position of the numerical value shown in following embodiment, shape, material, inscape, inscape and connect form, step, step order etc. be an example instead of limit aim of the present utility model.The utility model, is only defined by the claims.Therefore, for 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, might not need to realize problem of the present utility model, but, be illustrated as the inscape forming preferred form.Further, in the accompanying drawings, for the key element representing identical in fact structure, work and effect, identical symbol is enclosed.

(embodiment 1)

First, for the lamp 10 of the illumination light source related to as embodiment 1 of the present utility model, Fig. 1 to Fig. 3 is utilized to be described.

Fig. 1 is the oblique view of the structure that the lamp 10 that the present embodiment relates to is shown.Further, Fig. 2 is the exploded perspective view of this lamp 10 under the state eliminating lamp holder 60, and Fig. 3 is the amplification oblique drawing of a part (end of the tube axial direction of lamp 10) for this lamp 10 under the state eliminating lamp holder 60.

Lamp 10 is, as illustrated Fig. 1 to 3, replace straight-pipe fluorescent lamp (straight-pipe fluorescent lamp) in the past and the Straight LED of elongate that uses as illumination, possess diffuser 20, base station 30, LED module 50, lamp holder 60 and lamp circuit (outside figure).And, in lamp 10, form the elongated and lamp door body (peripheral device) of cylindrical shape by base station 30 and diffuser 20.

[diffuser]

Diffuser 20 is, forms the cap assembly of the elongate of the outer surface of lamp door body, and protection is arranged on parts, i.e. LED module 50 and the lamp circuit etc. of base station 30.Diffuser 20, is made up of the otch cylinder part with the main opening 21 part for elongated cylinder formed along upper incision of its direction of elongate (direction parallel with tube axial direction), such as, is made up of the parts of roughly semi-cylindrical shape.The inner surface of diffuser 20 and outer surface, viewed from direction of elongate time, the shape that the part becoming proper circle is cut open.Main opening 21, viewed from direction of elongate time, is formed in the scope being less than 180 ° centered by the central shaft of diffuser 20 continuously.Therefore, diffuser 20, viewed from direction of elongate 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 outer surface, viewed from direction of elongate time, also can become the shape that an oval part is cut open.

Diffuser 20, is made up of the material of the Transmission light sent by LED module 50 to lamp outside.Diffuser 20, such as, is made up of the transparent resin material or glass comprising propylene etc., is molded with resin to be formed to desired transparent resin material.

For diffuser 20, such as, can utilize by silica (SiO ₂) be the straight tube (glass tube) that the soda-lime glass of 70 to 72 [%] is formed, or, the straight tube (plastic tube) be made up of the resin material of polycarbonate etc. can be utilized.

[base station]

Base station 30 is, for keeping the rectangular elongated shape of (supporting) LED module 50 and the supporting base station of tabular, is integrated with diffuser 20 one-tenth in the mode of the main opening 21 blocking diffuser 20.Base station 30, when seeing from its long side direction (direction parallel with tube axial direction), the central shaft (circle core shaft) being positioned at diffuser 20 with its surface is integrated with diffuser 20 one-tenth with the mode between main opening 21.Base station 30, on its long side direction, has the length roughly the same with the total length of diffuser 20.And, also by adhesive etc., diffuser 20 can be fixed on base station 30.

And in this manual, the long side direction of base station 30 refers to, the direction parallel with long limit when overlooking base station 30 surperficial, the short side direction of base station 30 refers to, the direction parallel with minor face when overlooking base station 30 surperficial.Further, refer between the central shaft of diffuser 20 and main opening 21, by the central shaft of diffuser 20 and be parallel to the surface of base station 30 plane and comprise diffuser 20 main opening 21 and between the plane being parallel to main opening 21.

In base station 30, the face (surface) of a side, for loading the mounting surface of LED module 50, is covered by diffuser 20.And the part in the face (back side, outer peripheral face) of the opposing party of base station 30, exposes at lamp outside, forms the outer surface of lamp door body.On the other hand, other the part in the face (back side, outer peripheral face) of the opposing party of base station 30, is covered by diffuser 20, does not expose at lamp outside.The surface of base station 30 and the back side, when overlooking, become rectangular-shaped.

Base station 30, also plays function as the radiator (radiator) that the heat occurred LED module 50 is dispelled the heat.Therefore, preferably, base station 30 is made up of the high thermal conductivity material of metal etc., the aluminium base of the elongate be made up of aluminium can be utilized as base station 30.And base station 30, also can be made up of resin.

Base station 30, has the Structure of radiating fin improved as the function of radiator, and at its back side, the fin 30a to long side direction extension arranges and is formed multiple on short side direction.Viewed from long side direction during base station 30, fin 30a is formed, towards from the tubular axis (central shaft of diffuser 20) of lamp away from the outstanding convex form in direction (outside towards lamp).And, viewed from long side direction during base station 30, link the summit of multiple fin 30a and the curvature of circular arc that formed, roughly consistent with the bending curvature of the outer surface of diffuser 20.Therefore, viewed from long side direction during base station 30, link the outer surface of diffuser 20 and the summit of multiple fin 30a forms proper circle.Accordingly, by the lamp holder 60 of cylindrical shape of opening with proper circle shape, the opening at the both ends (both ends of tube axial direction) of cylinder part diffuser 20 and base station 30 formed as one can be covered.

And, also passable at base station 30, not or not arrange on short side direction but on long side direction and be formed multiple to long side direction but to the fin 30a of short side direction extension.

At the back side of base station 30, the groove (slide rail) 31 that the long side direction to base station 30 extends is formed, and the short side direction of base station 30 is clamped multiple fin 30a.Diffuser 20, inserts the end 22 of its circumference, thus is installed to base station 30 with the state that can slide to groove 31.Therefore, diffuser 20, except the surface of base station 30, also covers the part at the back side of base station 30.

Base station 30, viewed from long side direction during base station 30, have the cone-shaped along with the tubular axis from lamp narrows gradually away from width, the part at the back side of base station 30, is covered by diffuser 20.Therefore, viewed from long side direction during base station 30, the end 22 of the both sides of the circumference of diffuser 20, to clamp the mode of base station 30, the below to the installation base plate of LED module 50 is outstanding.

And the end 22 of the circumference of diffuser 20, is installed to the groove 31 of base station 30 with the state that can slide.But also can be that arrange at the inner surface of diffuser 20 protuberance that the direction of elongate to diffuser 20 extends, this protuberance is installed to the groove 31 of base station 30 with the state that can slide.

The groove 31 of base station 30 and the end 22 of diffuser 20 are configured to, and end 22 is embedded into groove 31 as pawl.Such structure is, is configured to end 22, bending to the back side of base station 30 with L shape during diffuser 20 from viewed from direction of elongate, is configured to by groove 31 engage with this end 22, thus can realize.

In the both ends of the surface of the long side direction of base station 30, be formed for fixing the screw (tapping screw lower opening) 32 of lamp holder 60 at base station 30 by screw.This screw 32, by stretch process, forms as one with groove 31 simultaneously.Therefore, screw 32, is communicated with groove 31, and, the long side direction of base station 30 extends continuously.The screw 32 of this connection and groove 31, formed by the outermost fin 30a among the fin 30a that short side direction arranges, during base station 30, being positioned at the below of the substrate of LED module 50 viewed from long side direction.

[LED module]

Multiple LED module 50 is, the light source of lamp 10, and with the form covered by diffuser 20, on the surface of base station 30, arrangement is positioned on the long side direction of base station 30.The surface of LED module 50 and LED above thereof, during diffuser 20, being positioned between the central shaft (circle core shaft) of diffuser 20 and the main opening 21 of diffuser 20 viewed from direction of elongate.In other words, the surface of LED module 50 and LED above thereof, viewed from direction of elongate during diffuser 20, the height from main opening 21 in diffuser 20 inside is more than 0, and lower than the height of the central shaft of diffuser 20.Now, be comprise the distance from main opening 21 (surface of the installation base plate of LED module 50) in the normal direction of the plane of main opening 21 (surface of the installation base plate of LED module 50) from the height of main opening 21.Multiple LED module 50, is fixed on base station 30 by adhesive and screw etc. respectively.For the structure of LED module 50, be described in detail later.

And, the surface of LED module 50 and LED above thereof, also can be integrated with diffuser 20 one-tenth, thus viewed from direction of elongate during diffuser 20, be not positioned at the downside half of the diffuser 20 of round shape, and be positioned at upside half, be not positioned at the main opening 21 of diffuser 20, and between diffuser 20 and the center of diffuser 20.That is, the surface of LED module 50 and LED above also passable, viewed from direction of elongate during diffuser 20, at the height from main opening 21 of diffuser 20 inside, higher than the height of the central shaft of diffuser 20, and lower than diffuser 20.

Further, for the fixing means to base station 30 of LED module 50, except by adhesive and screw etc. fixing except, also can be fixing by pawl, sliding tray, rivet, riveted joint etc.Such as, the pawl, rivet, riveted joint etc. that may be used for LED module 50 to be pressed onto the mounting surface of base station 30 are arranged on base station 30, and the sliding tray that also may be used for LED module 50 remains on base station 30 in the mode that can slide is arranged on base station 30.

[lamp holder]

A pair lamp holder 60, is configured to roughly there is round-ended cylinder shape, to form the form of the outer surface of lamp door body, is arranged on the diffuser 20 of integration and the both ends (both ends of tube axial direction) of base station 30.And a pair lamp holder 60, covers the opening at the both ends of the cylinder part (lamp door body) diffuser 20 and base station 30 integration formed.At the lamp holder 60 of the side of a side of this cylinder part, be provided with a pair by electrical prongs 61, at the lamp holder 60 of the side of the opposing party, be provided with grounding pin 62.

By electrical prongs 61 be for a pair, the pin of the electric conductivity be made up of bar-shaped metal material.By electrical prongs 61, be configured to be installed to ligthing paraphernalia, will the electric power of the LED point lamp making LED module 50 be used for, accept from the supply unit (ligthing paraphernalia) of lamp outside for a pair.By this pair by electrical prongs 61, direct current is supplied to the lamp circuit in lamp.Lamp circuit, carries out rectification etc. to LED53 output for the voltage desired by being energized to the direct current of input.

Grounding pin 62 is, the pin of the electric conductivity be made up of a bar-shaped metal material.Grounding pin 62, same with by electrical prongs 61, be also configured to be installed to ligthing paraphernalia.Therefore, if ligthing paraphernalia is ground terminal with the coupling part (connecting portion in lamp socket) of grounding pin 62, when lamp 10 is installed to this ligthing paraphernalia, grounding pin 62 becomes earthing potential.

And at lamp 10, when being installed to the ligthing paraphernalia of existing fluorescent-lamp-use, this ligthing paraphernalia and the earth-free connection of grounding pin 62, grounding pin 62, as being installed to the installation pin of ligthing paraphernalia to play function by lamp 10.Therefore, might not need to form grounding pin 62 by metal.Further, grounding pin 62, is not limited only to one, and can be two.

So, lamp 10 adopts one-sided power supply mode, is configured to the electric power by being used for making LED module 50 lighting, a pair of end powering by electrical prongs 61 from the side being only arranged on lamp 10.

Then, for the structure of LED module 50, Fig. 4 is utilized to be described.

Fig. 4 is the oblique view of the structure that LED module 50 is shown.

LED module 50 is, as Fig. 4 illustrates, the light emitting module of (SMD:SurfaceMountDevice) type is installed on surface, and is the linear light source sending light with wire.LED module 50 possesses, and installation base plate 52, installation base plate 52 is mounted to multiple LED element 58 of row, wiring 54 and electrode terminal 56.

Installation base plate 52 is, at least surface be made up of the material of insulating properties, for installing the LED mounting substrate of LED element 58, such as, be the substrate of rectangular elongated shape.For installation base plate 52, such as, the substrate (CEM-3 etc.) that glass can be utilized to synthesize, glass epoxy substrate (FR-4 etc.), the substrate (FR-1 etc.) be made up of paper phenol and paper epoxy group or be made up of polyimides etc. there is flexual flexible substrate.For metallic substrates 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 installation base plate 52 and the back side are rectangular-shaped when overlooking.

Installation base plate 52, is configured in the surface of base station 30, thus its long side direction is parallel with the long side direction of base station 30, and the short side direction being orthogonal to its long side direction is parallel with the short side direction of base station 30.The back side of installation base plate 52 roughly comprehensive, with the surface contact of base station 30.

And in this manual, the long side direction of installation base plate 52 refers to, overlook the direction parallel with long limit during installation base plate 52 surperficial, the short side direction of installation base plate 52 refers to, overlooks the direction parallel with minor face during installation base plate 52 surperficial.

If the length on the long limit of installation base plate 52 is L1 (mm), the length of minor face is L2 (mm), for installation base plate 52, such as, then L1=580mm, L2=16mm, thickness can be utilized to be the substrate of 1.0 (mm).

Multiple LED element 58, is directly installed on the surface of installation base plate 52.Multiple LED element 58, the long side direction along installation base plate 52 is arranged in row with wire (straight line shape).

LED element 58 is, LED chip and fluorophor packedization, the light-emitting component of so-called SMD type, such as, be the White LED element sending white light.LED element 58 possesses, packaging body (cavity) 59, be arranged on the recess bottom surface of packaging body 59 LED53, be filled in packaging body 59 recess, as sealing LED 53 containing the seal member 51 of fluorophor resin and metal line etc.

Packaging body 59 is, the container shaping by non-light transmittance resin (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 LED53 is reflected upward.

Each LED53 is, an example of light-emitting component, and is the bare chip sending monochromatic visible ray, is installed on the bottom surface of the recess of packaging body 59 by chip contact material (die-bond material) chip bonding (diebonding).For LED53, such as, the blue-light-emitting LED chip sending blue light can be utilized.For blue-light-emitting LED chip, such as, can utilize be made up of the material of InGaN system, centre wavelength is the gallium nitride based semiconductor light-emitting elements of 440nm to 470nm.

Seal member 51 is, comprise as optical wavelength conversion body fluorophor containing fluorophor resin, wavelength conversion is carried out to the light from LED53, and sealing LED 53 protects LED53.Seal member 51, is filled in the recess of packaging body 59, is encased in the opening surface of this recess.

Such as, for seal member 51, when LED53 is blue led, can utilize yellow fluorophor particle dispersion that YAG (yttrium-aluminium-garnet) is in silicones containing fluorophor resin.In the case, yellow fluorophor particle releases sodium yellow by the blue excitation of blue led, therefore, from seal member 51, releases white light by the blue light of the sodium yellow encouraged and blue led.And, in seal member 51, also can comprise the photodiffusion material of silica etc.

Wiring 54 is, the metal line be made up of tungsten (W) or copper (Cu) etc., and its surface is exposed, in order to multiple LED element 58 be electrically connected to each other and LED element 58 and electrode terminal 56 be electrically connected and pattern is formed as regulation shape.

Electrode terminal 56 is, accept direct current from outside and be subject to power supply (external connection terminals) to LED53 supply is galvanic, its surface is exposed, and is electrically connected with wiring 54.The DC voltage that electrode terminal 56 accepts is supplied to LED53, thus LED53 is luminous, the light desired by releasing from LED53.

For adjacent LED module 50, electrode terminal 56 is electrically connected by connecting wiring (not illustrating) each other.Accordingly, multiple LED module 50 (LED53) is connected in series.Make the connecting wiring that electrode terminal 56 is connected to each other, such as, can be made up of the conductive component of the lead-in wire etc. of the wire after comprising insulation tunicle.

In the manufacture of lamp 10 with described structure, first, multiple LED module 50 and lamp circuit etc. are installed to be electrically connected on the surface of base station 30.Then, at the groove 31 at the both ends of the short side direction of base station 30, insert and after blocking the both sides of end 22 of the circumference of diffuser 20, in groove 31, make diffuser 20 slide on tube axial direction, thus at base station 30, diffuser 20 is installed.And, at the both ends of the base station 30 of integration and the tube axial direction of diffuser 20, lamp holder 60 is installed.And, also diffuser 20 can not be slided and be embedded into base station 30 in the mode pushed down from base station 30.

As mentioned above, the lamp 10 of the present embodiment is, has the Straight lamp of cylindric lamp door body, is arranged on the inside of lamp door body, possesses the LED module 50 of the installation base plate 52 having LED53 and be provided with LED53 on surface.And lamp 10, also possesses: the diffuser 20 forming a part for lamp door body and the surface of covering installation base plate 52; And form other a part of lamp door body and be provided with the base station 30 of LED module 50 on surface.And diffuser 20 is, there is the otch cylinder part of the main opening 21 part for elongated cylinder cut in direction of elongate, base station 30, keep diffuser 20 in the mode blocking main opening 21.And the part at the back side of base station 30, form the outer surface of the cylindrical conformation of lamp door body, other the part at the back side of base station 30, is covered by diffuser 20, in other the part at the back side of base station 30, is formed with the groove 31 keeping diffuser 20.

According to such structure, as shown in Figure 5 B, keep the groove 31 of diffuser 20 to be arranged on the back side of base station 30, therefore, a part (part of the E of Fig. 5 B) for diffuser 20 covers the part at the back side of base station 30.Therefore, enter a part for the light of the LED53 of the diffuser 20 of the region B of the face side of installation base plate 52 and the top of LED53, carry out guided wave at diffuser 20, also penetrate from the diffuser 20 of the region C of the below of the rear side of installation base plate 52 and LED53.To this, as shown in Figure 5A, when keeping the groove 31 of diffuser 20 to be arranged on the surface of base station 30, the light of LED53 is not penetrated from the rear side of installation base plate 52.Its result is, according to the structure of Fig. 5 B that the present embodiment relates to, can realize the light distribution angle D wider than the light distribution angle A of Fig. 5 A.And Fig. 5 A and Fig. 5 B is, the sectional view of the plane orthogonal with the tubular axis of the lamp of the state of removing seal member.

Further, a part (part of the F of Fig. 5 B) for base station 30 is exposed at outer surface as a part for lamp door body, therefore, it is possible to the heat of LED module 50 is rejected heat to lamp outside expeditiously via base station 30.

Further, in the lamp 10 of the present embodiment, base station 30, has Structure of radiating fin overleaf.

According to such structure, via base station 30, the heat of LED module 50 can be rejected heat to lamp outside expeditiously.

Further, in the lamp 10 of the present embodiment, groove 31 is formed by the fin 30a forming Structure of radiating fin.

According to such structure, at the back side of base station 30, the fin 30a of Structure of radiating fin can be utilized to form screw 32 and groove 31, therefore, it is possible to realize the miniaturization of base station 30, more can expand light distribution angle.

Further, the lamp 10 of the present embodiment, also possess the lamp holder 60 of the opening being set to the end blocking lamp door body, groove 31 is communicated with the screw for fixing lamp holder 60.

According to such structure, the groove for the formation of screw 32 can being utilized, using as the groove 31 for keeping diffuser 20, groove 31 and screw 32 being integrally formed, therefore, it is possible to easily form the groove 31 for keeping diffuser 20.Further, at the back side of base station 30, do not need to arrange screw 32 and groove 31 respectively, therefore, it is possible to realize the miniaturization of base station 30, more can expand light distribution angle.Further, even if do not make base station 30 miniaturized, and when as in the past, by screw 32 and groove 31 integration, thus the number of fin 30a and surface area can be increased, therefore, more the heat of LED module 50 can be rejected heat to lamp outside expeditiously.

Further, in the lamp 10 of the present embodiment, diffuser 20, is maintained at groove 31 in the mode that can slide.

Further, in the lamp 10 of the present embodiment, the end of the circumference of diffuser 20, chimeric with groove 31.And the end of the circumference of diffuser 20, viewed from direction of elongate during diffuser 20, the below to installation base plate 52 is outstanding.

According to such structure, easily carry out the installation to base station 30 of diffuser 20, therefore, it is possible to easily manufacture lamp 10.

And, in the lamp 10 of the present embodiment, make groove 31 keep the groove 31 of the end 22 of the circumference of diffuser 20 to be communicated with screw 32, but, as Fig. 6 illustrates, also can be the groove different from the groove be communicated with screw 32.For this groove 31, as Fig. 6, the both sides being formed as clamping screw 32 and multiple fin 30a on the short side direction of base station 30 can be shown, also can be formed as only clamping multiple fin 30a, that is, also can be formed as being clamped by screw 32.And Fig. 6 is, the sectional view of the plane orthogonal with the tubular axis of the lamp of the state of the seal member of removing lamp 10 that this variation of the present embodiment relates to.

(embodiment 2)

The Structure of radiating fin of the base station 30 of the lamp 10 that embodiment 1 relates to, generally speaking, long side direction extends fin shape, do not have the space that the air required for gelled cooling enters, be difficult to produce convection current, therefore, have the situation can not carrying out high efficiency heat extraction.

In the present embodiment, there is the structure of the LED that embodiment 1 relates to, further, provide the structure of the Straight LED with good thermal diffusivity.Below, for representing that the incomplete structure of the feature of lamp 10 that embodiment 1 relates to illustrates, with the additional feature of the lamp 10 related to embodiment 1 for center is described.

First, the Straight LED 201 that the present embodiment relates to is described.

[overall structure of lamp]

First, for the structure of the Straight LED 201 that the present embodiment relates to, Fig. 7 to Figure 10 is utilized to be described.

Fig. 7 is the oblique view of the structure that the Straight LED that embodiment 2 of the present utility model relates to is shown.And, Fig. 8 is the exploded perspective view of the Straight LED that embodiment 2 of the present utility model relates to, Fig. 3 is the oblique view from surface of the LED module that relates to of embodiment 2 of the present utility model and base station, and Fig. 4 is front elevation and the side view of the lamp holder that embodiment 2 of the present utility model relates to.

Straight LED 201 is, as Fig. 7 and Fig. 8 illustrates, replace straight-pipe fluorescent lamp (straight-pipe fluorescent lamp) in the past and the Straight LED of elongate that uses as illumination, possess diffuser 220, base station 230, LED module 210, lamp holder 240 and 250 and lamp circuit (outside figure).And, in Straight LED 201, form elongate and the lamp door body (peripheral device) of cylindrical shape by base station 230, lamp holder 240 and 250 and diffuser 220.That is, link diffuser 220 and base station 230, thus form the framework at both ends with the tubulose of opening as peripheral components (inserting pipe).A pair lamp holder 240 and 250 is provided with at the both ends of the long side direction (Y direction) of this framework, and, in framework, storage LED module 210 etc.Lamp holder 240 and 250 is arranged on the lamp socket of ligthing paraphernalia, thus supports Straight LED 201 by ligthing paraphernalia.And, for the structure of the lamp holder 240 and 250 as main portion of the present utility model, be described later.

Further, do not illustrate, but, in framework, be provided with and make to the connector of the electrical connections of LED module 210 supply and for making the lamp circuit etc. of LED module 210 luminescence.Further, the Straight LED 201 of the present embodiment, adopts and only carries out the one-sided power supply mode of powering from lamp holder 240 for LED module 210.That is, Straight LED 201, only accepts the electric power from ligthing paraphernalia etc. from lamp holder 240.

Below, each component parts of Straight LED 201 is described in detail.

[diffuser]

Diffuser 220 is, forms the cap assembly of the elongate of the outer surface of lamp door body, and protection is arranged on parts, i.e. LED module 210 and the lamp circuit etc. of base station 230.Diffuser 220, is made up of the otch cylinder part with the main opening 221 part for elongated cylinder formed along upper incision of direction of elongate (tube axial direction), such as, is made up of the parts of roughly semi-cylindrical shape.

Diffuser 220, is made up of the material of the Transmission light sent by LED module 210 to lamp outside.Diffuser 220, such as, is made up of the transparent resin material or glass comprising propylene etc., is molded with resin to be formed to desired transparent resin material.

For diffuser 220, such as, can utilize by silica (SiO ₂) be the straight tube (glass tube) that the soda lime glass of 70 to 72 [%] is formed, or, the straight tube (plastic tube) be made up of the resin material of polycarbonate etc. can be utilized.

And diffuser 220 also can possess, there is the light diffusion part of the light diffusion function that the light from LED module 210 is spread.Accordingly, the light sent from LED module 210 can be made, the diffusion when passing through diffuser 220.For light diffusion part, such as, the light diffusion thin plate or the optical diffusion film etc. that are formed in the inner surface of diffuser 220 and at least one party of outer surface is had.Specifically, have and the resin of the photodiffusion material (particulate) containing silica and calcium carbonate etc. and Chinese white be attached to the inner surface of diffuser 220 and at least one party of outer surface and the milky optical diffusion film formed.For other light diffusion part, there is the lens arrangement thing being arranged on the inside of diffuser 220 and at least one party of outside, or be formed in recess or the protuberance of the inner surface of diffuser 220 and at least one party of outer surface.Such as, at the inner surface of diffuser 220 and at least one party's printed dot-pattern of outer surface, or, a part for processing diffuser 220, thus diffuser 220 also can be made to have light diffusion function (light diffusion part).Further, utilize and disperseed the resin material of photodiffusion material etc. to carry out shaping diffuser 220 itself, thus diffuser 220 also can be made to have light diffusion function (light diffusion part).

[base station]

As Fig. 7 and Fig. 8 illustrates, base station 230 is, for keeping the supporting base station of (supporting) LED module 210, is integrated with diffuser 220 one-tenth in the mode of the main opening 221 blocking diffuser 220.The inboard portion of diffuser 220 side of base station 230 is, the mounting portion 231 of the tabular of mounting LED module 210.In the present embodiment, the mounting surface as the mounting portion 231 on the surface of base station 230 is, the rectangle plane of elongate.

Further, base station 230, the radiator distributed as the heat making LED module 210 occur is to play function.Therefore, the structure at the back side of base station 230 is that the outside to Straight LED 201 is exposed.Specifically, at the Outboard Sections at the back side of the mounting surface as base station 230, be provided with the multiple fin 232 as radiating part.Fin 232 is set to, and the outside to Straight LED 201 is exposed, outside outstanding from mounting portion 231 to Straight LED.Fin 232, along the long side direction (Y direction) of base station 230 to be arranged in parallel with multiple.And in this manual, the long side direction of base station 230 refers to, overlook the direction parallel with long limit during base station 230 surperficial, the short side direction of base station 230 refers to, overlooks the direction parallel with minor face during base station 230 surperficial.

And then, at the both ends of the short side direction of base station 230, be provided with the stage portion engaged with the end edge portion of the both sides of the circumference of diffuser 220.Diffuser 220 is slided into base station 230 to long side direction, or, diffuser 220 is embedded from base station 230, thus diffuser 220 and base station 230 can be engaged.

Base station 230, preferably, is made up of the high thermal conductivity material of metal etc., in the present embodiment, is the extrded material be made up of aluminium.And base station 230, also can be made up of resin.In the case, preferably, the resin material utilizing thermal conductivity high.

And, as required, also diffuser 220 and base station 230 can be bonded by adhesive.

[LED module]

LED module 210 is, the light source of Straight LED 201, with the form covered by diffuser 220, is fixed on the mounting portion 231 on base station 230 surface.For the fixing means to mounting portion 231, except by adhesive and screw etc. fixing except, also have the various methods such as pawl, slip, silicon, rivet, riveted joint.

LED module 210 is, as Fig. 9 illustrates, the light emitting module of (SMD:SurfaceMountDevice) type is installed on surface, and is the linear light source sending light with wire.LED module 210 possesses, and installation base plate 272, installation base plate 272 is mounted to multiple LED element 278 of row, wiring 274 and electrode terminal 276.That is, LED module 210 is, be arranged on the inside of the elongate framework be made up of diffuser 220 and base station 230, have as light-emitting component LED element 278 and be provided with the light emitting module of installation base plate 272 of LED element 278 on surface.

Installation base plate 272 is, at least surface be made up of the material of insulating properties, for installing the LED mounting substrate of LED element 278, such as, be the substrate of rectangular elongated shape.For installation base plate 272, such as, can utilize glass epoxy substrate (CEM-3, FR-4 etc.), the substrate (FR-1 etc.) be made up of paper phenol and paper epoxy group, be made up of polyimides etc. there is flexual flexible substrate or metallic substrates substrate.For metallic substrates 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 installation base plate 272 and the back side are rectangular-shaped when overlooking.

Installation base plate 272, is configured in the surface of base station 230, thus its long side direction (Y direction) is parallel with the long side direction of base station 230, and the short side direction (X-direction) being orthogonal to its long side direction is parallel with the short side direction of base station 230.

Multiple LED element 278 is each naturally, and an example of light-emitting component, is directly installed on the surface of installation base plate 272.Multiple LED element 278, the long side direction along installation base plate 272 is arranged in row with wire (straight line shape).

LED element 278 is, LED chip and fluorophor packedization, the light-emitting component of so-called SMD type, such as, be the White LED element sending white light.LED element 278 possesses, packaging body, the LED being arranged on the recess bottom surface of packaging body, the seal member containing fluorophor resin as sealing LED being filled in the recess of packaging body and metal line etc.

Packaging body is, the container shaping by non-light transmittance resin (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 is reflected upward.And also can be configured to, packaging body is light transmission, and light also penetrates in wide scope from packaging body side.

Each LED is, an example of light-emitting component, and is the bare chip sending monochromatic visible ray, is installed on the installation base plate 272 of the bottom surface of the recess as packaging body by chip contact material (die-bond material) chip bonding.For each LED, such as, the blue-light-emitting LED chip sending blue light can be utilized.For blue-light-emitting LED chip, such as, can utilize be made up of the material of InGaN system, centre wavelength is the gallium nitride based semiconductor light-emitting elements of 440nm to 470nm.

In multiple LED, be formed with p-side electrode for supplying electric current and n-side electrode at chip top, each of p-side electrode and n-side electrode with wiring 274 by wire-bonded.

Seal member is, comprise as optical wavelength conversion body fluorophor containing fluorophor resin, wavelength conversion is carried out to the light from LED, and all LED sealed on installation base plate 272 protect LED in the lump.Seal member, is filled in the recess of packaging body, is encased in the opening surface of this recess.Such as, for seal member, when LED is blue led, can utilize yellow fluorophor particle dispersion that YAG (yttrium-aluminium-garnet) is in silicones containing fluorophor resin.In the case, yellow fluorophor particle releases sodium yellow by the blue excitation of blue led, therefore, from seal member, releases white light by the blue light of the sodium yellow encouraged and blue led.And, in seal member, also can comprise the photodiffusion material of silica etc.

Wiring 274 is, the metal line be made up of tungsten (W) or copper (Cu) etc., and its surface is exposed, in order to multiple LED element 278 be electrically connected to each other and LED element 278 and electrode terminal 276 be electrically connected and pattern is formed as regulation shape.

Electrode terminal 276 is, accept direct current from outside and be subject to power supply (external connection terminals) to LED supply is galvanic, its surface is exposed, and is electrically connected with wiring 274.The DC voltage that electrode terminal 276 accepts is supplied to LED, thus LED is luminous, the light desired by releasing from LED.And two electrode terminals 276 take seal member as the long side that benchmark is close to a side of installation base plate 272.

And, be placed in the number of the LED module 210 of base station 230, also can be one or more among any one.When utilizing multiple LED module 210, LED module 210 is arranged in row along the long side direction of base station 230.

[lamp holder]

Lamp holder 240 is, for the power supply lamp holder of powering to the LED element of LED module 210.Lamp holder 240 also, by the powered lamp holder that the electric power being used for the LED element lighting making LED module 210 accepts from the external power source of Straight LED 201.

Lamp holder 240 is, as Fig. 7 and Fig. 8 illustrates, what cover a side of the end of the long side direction of the elongate framework be made up of diffuser 220 and base station 230 has bottomless drum shape shape.The lamp holder 240 of the present embodiment comprises: the cap body 241 be made up of the synthetic resin of polybutylene terephthalate (PBT) (PBT) etc.; And namely a pair powered splicing ear to be made up of the metal material of brass etc. supply electrical prongs 242.Be configured to for electrical prongs 242, externally give prominence to from the bottom of cap body 241 for a pair.That, in order to make LED element 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 242.Such as, by lamp holder 240 being installed to the lamp socket of ligthing paraphernalia, become for electrical prongs 242 state accepting electric power from the supply unit being built in ligthing paraphernalia a pair.Further, for electrical prongs 242, also the splicing ear of the lamp socket of ligthing paraphernalia is arranged on to play function as being used in the mode that can load and unload.

Lamp holder 250 is, non-powered lamp holder.That is, lamp holder 250 has, and Straight LED 201 is installed to the function of ligthing paraphernalia.

Lamp holder 250 is, as Fig. 7 and Fig. 8 illustrates, what cover the opposing party of the end of the long side direction of the described elongate framework be made up of diffuser 220 and base station 230 has bottomless drum shape shape.The lamp holder 250 of the present embodiment comprises: the cap body 251 be made up of the synthetic resin of PBT etc.; And the non-powered pin 252 to be made up of the metal material of brass etc.Non-powered pin 252 is configured to, and externally gives prominence to from the bottom of cap body 251.

And lamp holder 250 also can have grounding function.In the case, non-powered pin 252 plays function as grounding pin, and non-powered pin 252 and base station 230 are grounded connection, thus base station 230 via ligthing paraphernalia ground connection.

So, Straight LED 201 adopts one-sided power supply mode, is configured to the electric power by being used for making LED module 210 lighting, a pair of end powering by electrical prongs 242 from the side being only arranged on Straight LED 201.

As Figure 10 illustrates, cap body 241 is, have round-ended cylinder shape, except make for electrical prongs 242 give prominence to and the connecting portion 245 fixed and for lamp holder 240 is fixed to base station 230 screw 244 except, also the face being normal with the long side direction of elongate framework is provided with blow vent 243.According to this structure, blow vent 243 is, makes extraneous air flow into the ventilating structure of the fin 232 at the back side being arranged on base station 230 via lamp holder 240.Further, be provided with the face of blow vent 243 and screw 244, compared with being provided with the face of connecting portion 245, the positive direction of Y-axis be positioned at more rear.That is, the bottom surface of lamp holder 240 comprises, the first planar portions that the plane being normal with the long side direction of the elongate framework be made up of diffuser 220 and base station 230 is included and the second planar portions.First planar portions is, is provided with the face of screw 244 and blow vent 243, and the second planar portions is, is provided with the face of connecting portion 245.In the first planar portions, be provided with the blow vent 243 be oppositely disposed with the end sides of base station 230, in the second planar portions, be provided with the confession electrical prongs 242 being connected to outside lamp socket in the mode that can load and unload.Second planar portions, relative to the first planar portions, closer to the central authorities of described elongate framework on the long side direction of described elongate framework.

And, omit the front elevation of cap body 251 and side view, but, compared with the structure of cap body 241, only make non-powered pin 252 give prominence to and the structure of the connecting portion fixed is different.Therefore, be arranged on the blow vent 253 of cap body 251, there is the function same with the blow vent 243 of following explanation.Below, the function of blow vent 243 is described in detail.

Figure 11 A is the end oblique view of the Straight LED of the function of the blow vent of the cap body related to for illustration of embodiment 2 of the present utility model, the sectional view of the elongate framework of the function of the blow vent of Figure 11 B cap body that to be the end sides figure of the Straight LED of the function of the blow vent of the cap body related to for illustration of embodiment 2 of the present utility model, Figure 11 C be relates to for illustration of embodiment 2 of the present utility model.

In the heat that LED module 210 occurs, fin 232 via the back side being arranged on base station 230 rejects heat to outside, but, in the structure that blow vent 243 is not set, particularly, being difficult to the convection current for making the hot gas be detained between fin 232 be released to outside air occurs, therefore, there is the problem can not carrying out high efficiency heat extraction.

To this, when the present embodiment relate to there is the Straight LED 201 of blow vent 243, as Figure 11 A to Figure 11 C illustrates, outside cold air flow between fin 232 via blow vent 243.Accordingly, the hot gas between fin 232 is extruded to outside, promotes the convection current of the air at the back side of base station 230.Therefore, it is possible to realize wide light distribution angle, and, high efficiency heat extraction can be realized.

And then, be provided with the face of blow vent 243, compared with being provided with the face of connecting portion 245, the positive direction of Y-axis be positioned at more rear, thus when Straight LED 201 is installed to the lamp socket of ligthing paraphernalia, guarantee the space flow into by outside cold air between blow vent 243 and lamp socket.Therefore, promote the convection current of the air at the back side of base station 230, high efficiency heat extraction can be realized.

And, in the present embodiment, describe the structure being respectively arranged with blow vent 243 and 253 the both sides of lamp holder 240 and lamp holder 250, but the Straight LED only any one lamp holder being provided with blow vent is also contained in the utility model.

And cap body 241 and 251 also can be configured to, (in XY plane) can be decomposed into upper and lower two parts.

Further, the ventilating structure of the lamp holder 240 and 250 that the present embodiment relates to, is not limited only to described blow vent 243 and 253.Below, the variation of the ventilating structure of the lamp holder 240 and 250 that the present embodiment relates to is described.

Figure 12 A is the end oblique view of the Straight LED of the ventilating structure of the cap body related to for illustration of the variation 1 of embodiment 2 of the present utility model, and Figure 12 B is front elevation and the side view of the cap body that the variation 1 of embodiment 2 of the present utility model relates to.

Figure 12 A and the lamp holder shown in Figure 12 B 260 be, identical with lamp holder 240, power supply lamp holder and powered lamp holder.The lamp holder 260 that this variation relates to, compared with the lamp holder 240 related to embodiment 2, difference is, for the ventilating structure difference making outside cold air flow into fin 232, and the face being provided with screw 264 makes to give prominence to for electrical prongs 262 and the face of the connecting portion 265 fixed is identical with being provided with.Below, omit the description lamp holder 240 something in common related to embodiment 2, by with lamp holder 240 difference centered by be described.

As Figure 12 B illustrates, there iing the cap body 261 of round-ended cylinder shape, except make for electrical prongs 262 give prominence to and the connecting portion 265 fixed and for lamp holder 260 is fixed to base station 230 screw 264 except, the opening portion 263 that the part being also provided with the cylindrical portion of cap body 261 is cut open.According to this structure, opening portion 263 is, makes extraneous air flow into the ventilating structure of the fin 232 at the back side being arranged on base station 230 via lamp holder 260.

And, omit front elevation and the side view of the cap body of the non-powered lamp holder of the opposing party of the end of long side direction that is opposed with lamp holder 260, that cover the elongate framework be made up of diffuser 220 and base station 230, but, compared with the structure of cap body 261, a non-powered pin is only made to give prominence to and the structure of the connecting portion fixed is different.Therefore, be arranged on the opening portion of non-powered cap body, there is the function same with the opening portion 263 of following explanation.Below, the function of opening portion 263 is described.

When having the Straight LED 201 of opening portion 263, outside cold air flow between fin 232 via opening portion 263.Accordingly, the hot gas between fin 232 is extruded to outside, promotes the convection current of the air at the back side of base station 230.Therefore, it is possible to realize high efficiency heat extraction.

And the shape being arranged on the opening portion 263 of cap body 261 is also passable, it not the opening always having cut the cylinder sides of cap body 261 as above on the short side direction at base station 230 back side.Such as, the cylinder sides of the cap body 261 that the recess between adjacent fin 232 is relative arranges multiple slit (otch), thus also can using the plurality of slit as the opening portion being arranged on cap body.

And then, the variation 2 of the ventilating structure of the lamp holder that the present embodiment relates to is described.In the lamp holder 260 that described variation 1 relates to, it is the ventilating structure of a part for the cylinder sides of having cut cap body 261.But, even if do not arrange such otch, also by the shape of the part of the covering fin 232 among the cylinder sides of cap body, the concaveconvex shape of the concaveconvex shape along close and relative fin 232 can be set to.In other words, also can be multiple fin 232 concaveconvex shape and with the plurality of fin 232 close to and the chimeric shape of the convex-concave profile of the cylinder sides of relative cap body.That is, also the ventilating structure of lamp holder can be set to, and the concaveconvex shape between multiple fin 232 is arranged on the concaveconvex shape of the cylinder side of cap body accordingly.According to this structure, the described concaveconvex shape of outside cold air from lamp holder can be flow between fin 232 smoothly.

(embodiment 3)

Then, for the lamp that embodiment 1 and 2 of the present utility model is related to, be applicable to the example of lighting device, utilize Figure 13 to be described.

Figure 13 is the oblique view of the structure that the lighting device that embodiment 3 of the present utility model relates to is shown.

The lighting device 100 that the present embodiment relates to possesses, as Figure 13 illustrates, and the lamp 10 that described embodiment 1 relates to or the Straight LED 201 that embodiment 2 relates to and ligthing paraphernalia 110.Such lighting device 100, is installed to ceiling etc. via fixing tool.

Ligthing paraphernalia 110, is electrically connected with lamp 10, and, possess a pair lamp socket 120 keeping described lamp, the appliance body 130 being provided with lamp socket 120 and circuit box (figure is outer).The inner surface of appliance body 130 is, the reflecting surface 131 that the light that described lamp is occurred reflects to prescribed direction (being below in Figure 13).And circuit box, therein, the switch be accommodated in outside figure is the lamp circuit of powering to described lamp, not powering in the off state under on-state.

As mentioned above, the lighting device 100 that the present embodiment relates to, the lamp 10 utilizing embodiment 1 to relate to or embodiment 2 and Straight LED 201, therefore, do not reduce luminous efficiency and can suppress brightness irregularities yet.

Above, the illumination light source related to for the utility model and lighting device, be illustrated according to embodiment, but the utility model, is not limited only to such embodiment.In the scope not departing from purport of the present utility model, perform the various distortion that those skilled in the art can expect be also contained in scope of the present utility model.Further, also can be combined each inscape of multiple embodiment in the scope of purport not departing from utility model.

Such as, in embodiment 1 and 2, the example of LED is shown as light-emitting component, but, also can utilize EL element, other the solid-state light emitting element of the semiconductor light-emitting elements of semiconductor laser etc. or organic EL (ElectroLuminescence) and inorganic EL etc.

And, in embodiment 1 and 2, power supply mode is one-sided power supply mode, but also can be, the both sides of the lamp holder of both sides is set to the both sides power supply mode by the G13 lamp holder of electrical prongs and L shape lamp holder (having the flat lamp holder by electrical prongs bent with L shape) etc.In the case, can be that the electrical prongs that is subject to by electrical prongs and the opposing party of a side is all set to the structure of 1 pin, also can be that the electrical prongs that is subject to by electrical prongs and the opposing party of a side is all set to a pair accepts alternating current from both sides structure by electrical prongs.Further, by electrical prongs and grounding pin, be not limited only to bar-shaped metal, also can be made up of flat metal etc. for a pair.

And, in the embodiment shown, a side among two lamp holders 60 is set to a pin (1 pin), the opposing party is set to the lamp holder structure of 1 pin-2 pin of two pins (2 pin), but also can be two lamp holders 60 are all set to the lamp holder structure of 2 pin-2 pins of two pins (2 pin).Further, for the lamp holder of 2 pins, G13 lamp holder can be utilized.Further, for lamp holder 60, also can utilize according to can the L shape pin cap of Straight LED of standardized JEL801 by Japanese lamp industry.

Further, in the described embodiment, lamp holder 60, is configured to accept direct current, but, also can be configured to accept alternating current.And when lamp holder 60 accepts alternating current, the lamp circuit being built in lamp 10 comprises, be galvanic circuit by convert alternating current.

Further, in the described embodiment, make use of the LED module of SMD type, but, also can utilize the LED module 50a of Figure 14 A and the COB shown in Figure 14 B (ChipOnBoard) type.Figure 14 A is the plane (above scheme) of the structure that LED module 50a is shown, Figure 14 B is the sectional view of this LED module 50a cut off along the A-A' line of Figure 14 A.The LED module 50a of COB type possesses: installation base plate 52; Installation base plate 52 is directly mounted to multiple LED53 of row; Seal the seal member 51a of multiple LED53 in the lump; Wiring 54; Electrostatic protection element 55; Electrode terminal 56; And the electric wire 57 of golden electric wire etc.In multiple LED53, be formed with p-side electrode for supplying electric current and n-side electrode at chip top, each of p-side electrode and n-side electrode with wiring 53 by electric wire 57 wire-bonded.Seal member 51a is, cross sectional shape is the domed shape of the roughly semicircle shape raised up, and is formed as linearity in the mode covering all LED53 on installation base plate 52 along the orientation of LED53.Electrostatic protection element 55 is, such as Zener diode, prevents the oppositely resistance to LED53 forced down to be destroyed because of the electrostatic of the reversed polarity of generation on installation base plate 52.Wiring 54, is electrically connected multiple LED53 with electrostatic protection element 55.And the seal member 51a of linearity (striated) is formed as, than the straight line at the center by the short side direction of installation base plate 52 closer to the long side of Yu Yifang.Further, on the surface of installation base plate 52 not have the mode of being interrupted to be formed with seal member 51a, from the end face of a side of long side direction until the end face of relative the opposing party.Further, two electrode terminals 56, are close to the long side of a side of installation base plate 52 for benchmark with seal member 51a.Now, seal member 51a seals all LED53 on installation base plate 52 in the lump, but also can be, an installation base plate 52 arranges multiple seal member 51a with island, and multiple seal member 51a individually seals one or more LED53 separately.

And, the lamp that embodiment 2 relates to, there is the structure of the lamp that embodiment 1 relates to, namely the part at the back side of base station forms the outer surface of the cylindrical conformation of framework, the structure that other the part at the back side of base station is covered by diffuser, also has the structure for making extraneous air flow into the ventilating structure of heat-dissipating structure via lamp holder.But the lamp that the utility model relates to also comprises, not there is the structure of the lamp that described embodiment 1 relates to, and only there is the structure of the lamp that described embodiment 2 relates to, i.e. the lamp of described ventilating structure.Accordingly, the hot gas between fin is extruded to outside, promotes the convection current of the air at the back side of base station.Accordingly, high efficiency heat extraction can be realized, therefore, it is possible to diminished by heat-dissipating structure itself, the surface area of diffuser can be become large thus, light distribution angle can be become large.

Further, in described embodiment 1, lamp is provided with two LED modules, but, be not limited only to this.Such as, a LED module can be also provided with.Further, for the length of the installation base plate of LED module and shape or the number etc. of LED of installing, also can suitably change.

Further, in embodiment 1, form multiple fin at the back side of base station, but also can be, the back side of base station be smooth.

Further, in the described embodiment, with the form of the surface contact with base station, the installation base plate being provided with LED is directly loaded, but, also other the substrate arranging insulating properties between the installation base plate of LED and the surface of base station can be installed.Now, for other substrate, the substrate same with installation base plate can be utilized, such as, the resin substrate of flexible substrate etc. can be utilized.

Further, in embodiment 1 and 2, the end face (end face of circumference) of the end of the diffuser chimeric with the groove of base station, forms a plane, the end of diffuser on long side direction continuously, long side direction comes continuously chimeric with the groove of base station.And there is distortion (during shaping) in resinous diffuser, therefore, when diffuser slip is inserted into base station, because of the stress from base station, diffuser is broken or is short of.Particularly, when the length of the long side direction of the such diffuser of 110 shape is long, there is multiple distortion when ester moulding, therefore, this problem is remarkable.Further, the shape viewed from the direction of elongate of diffuser time exceedes semicircle, and time viewed from direction of elongate, when forming the main opening of diffuser in the scope being less than 180 ° centered by the central shaft of diffuser continuously, the distortion of diffuser is many especially.To this, diminished by the contact area of the fitting portion by the groove of base station and the end of diffuser, thus the stress that diffuser is subject to from base station can be relaxed.For realizing its structure, the end intermittently forming diffuser on long side direction with claw-like can be considered, the concavo-convex structure being formed in the end face of the end of diffuser of the height change of the circumference of diffuser.In the case of such a construction, the protuberance (claw) of the end face of the end of diffuser chimeric with the groove of base station come with the surface contact of the groove of base station, but, the recess of the end face of the end of diffuser not chimeric with the groove of base station and not with the surface contact of the groove of base station.Further, for other structure, can consider that the width of the groove of base station on long side direction is certain, the structure that the thickness of the end of diffuser changes on long side direction.In the case of such a construction, the part that the thickness of the end of diffuser is thick chimeric with the groove of base station come with the surface contact of the groove of base station, but, the thin part of the thickness of the end of diffuser not with the groove chimeric (contact) of base station, between the thin part of the thickness of end and the groove of base station, form gap.Further, for also other structure, consider that the thickness of the end of diffuser on long side direction is certain, the structure that the width (A/F) of the groove of base station changes on long side direction.In the case of such a construction, the narrow part of the width of the groove of base station chimeric with the end of diffuser come with the ends contact of diffuser, but, the part that the width of the groove of base station is wide is not chimeric with the end of diffuser, between the wide part of the width of the groove of base station and the end of diffuser, form gap.

Further, such as, in example 2, the heat-dissipating structure being configured in the back side of base station 230 is, be laid on the structure of multiple fin 232 configuration adjacent one another are on the long side direction of the elongate framework be made up of diffuser 220 and base station 230, but this heat-dissipating structure is not limited only to this.The heat-dissipating structure of Straight LED of the present utility model also can be Figure 15 A or the heat-dissipating structure shown in Figure 15 B.

Figure 15 A is the base station back view of the variation 1 of the heat-dissipating structure that the Straight LED that embodiment 2 relates to is shown, Figure 15 B is the base station back view of the variation 2 of the heat-dissipating structure that the Straight LED that embodiment 2 relates to is shown.Figure 15 A and Figure 15 B illustrates respectively, the layout of the fin of the formation heat-dissipating structure at the back side of base station 233 and base station 234.

Heat-dissipating structure shown in Figure 15 A, the heat-dissipating structure that the fin 232 of the base station 230 related to relative to embodiment 2 is formed, and become at the upper fin extended of the long side direction (Y direction) of base station with the broken structure in the interval of regulation.According to described structure, not only via the ventilating structure of lamp holder 240, also outside cold air can be divided from the segmenting part of fin and flow into fin, therefore, it is possible to produce the convection current of effective air, more high efficiency heat extraction can be realized.

And, for the heat-dissipating structure shown in Figure 15 B, the heat-dissipating structure at base station 230 back side that embodiment 2 relates to is formed by the upper multiple fin 232 extended of the long side direction (Y direction) of base station, to this, form by the upper multiple fin extended of the short side direction (X-direction) of base station.And multiple fin is respectively, with the structure that the interval specified is broken.According to described structure, via the disjunction part of the ventilating structure of lamp holder 240 and fin, outside cold air can be flow into fin, and, outside cold air can not be flow into fin via the ventilating structure of lamp holder 240 from the short side direction of base station.Therefore, it is possible to produce the convection current of effective air, more high efficiency heat extraction can be realized.

And, such as, in example 2, have employed only from lamp holder 240 or this one-sided one-sided power supply mode of powering to the full LED in framework of lamp holder 260, but also can be the both sides of the lamp holder of both sides are set to the both sides power supply mode by the G13 lamp holder of electrical prongs and L shape lamp holder (there is the flat lamp holder by electrical prongs bent with L shape) etc.In the case, can be that the electrical prongs that is subject to by electrical prongs and the opposing party of a side is all set to the structure of 1 pin, also can be that the electrical prongs that is subject to by electrical prongs and the opposing party of a side is all set to a pair accepts electric power from both sides structure by electrical prongs.Further, by electrical prongs and grounding pin, be not limited only to bar-shaped metal, also can be made up of flat metal etc. for a pair.

According to the form of described power supply mode, in the Straight LED that the utility model relates to, such as, following modification can be enumerated.That is, the one-sided power supply mode that one side is made up of the lamp holder with grounding pin L shape lamp holder and the opposing party, the both sides power supply mode that both sides are made up of L shape lamp holder, the one-sided power supply mode that both sides are made up of L shape lamp holder, the both sides power supply mode be made up of G13 lamp holder, and the one-sided power supply mode etc. be made up of G13 lamp holder.

Further, the Straight LED 201 that embodiment 2 relates to accepts galvanic mode from external power source, but also can be, contains power circuit (converter circuit), accept the mode of alternating current from external power source.

Further, in the described embodiment, although the formation that LED module adopts releases white light by blue LED die and yellow fluorophor, be not limited only to this.Such as, also can be configured to, utilize containing red-emitting phosphors and green-emitting phosphor containing fluorophor resin, combine it and blue LED die to release white light.And, also the LED chip of the color sent beyond blueness can be utilized, such as, also can be configured to, the UV LED chip of the ultraviolet light of short wavelength compared with the blue light utilizing releasing and blue LED die to release, encourages the blue emitting phophor particle of emit blue light, ruddiness and green glow, green-emitting phosphor particle and red-emitting phosphors particle to release white light by main because of ultraviolet light.

In addition, the various distortion that those skilled in the art expect is implemented and the form obtained to each embodiment, and in the scope not departing from aim of the present utility model, be combined the form that the inscape of each embodiment and function realize, be also contained in the utility model.

symbol description

10 lamps

20,220 diffusers

21,221 main openings

22 ends

30,230,233,234 base stations

30a fin

31 grooves

32,244,264 screws

50,50a, 210LED module

51,51a seal member

52,272 installation base plates

53LED

54,274 wirings

55 electrostatic protection elements

56,276 electrode terminals

57 electric wires

58,278LED element

59 packaging bodies

60,240,250,260 lamp holders

61 by electrical prongs

62 grounding pins

100 lighting devices

110 ligthing paraphernalias

120 lamp sockets

130 appliance bodies

131 reflectings surface

201 Straight LED

231 mounting portions

232 fin

241,251,261 cap body

242,262 for electrical prongs

243,253 blow vents

245,265 connecting portions

252 non-powered pins

263 opening portions

Claims (15)

1. an illumination light source, this illumination light source has cylindric framework, it is characterized in that possessing:

Light emitting module, this light emitting module is arranged on the inside of described framework, and has light-emitting component and substrate, and the surface of this substrate is provided with described light-emitting component;

Diffuser, this diffuser forms a part for described framework, and covers the surface of described substrate; And

Base station, this base station forms other a part of described framework, and the surface of this base station is provided with described light emitting module,

Described diffuser is the otch cylinder part with main opening, and this main opening is cut along direction of elongate at a part for elongated cylinder,

Described base station, keeps described diffuser in the mode blocking described main opening,

The part at the back side of described base station, forms the outer surface of the cylindrical conformation of described framework,

Other the part at the back side of described base station, is covered by described diffuser,

In other the part at the back side of described base station, be formed with the groove keeping described diffuser,

In the end of the circumference of described diffuser, there is notch, viewed from rectangular direction during described diffuser, this notch with respect to the horizontal plane indention.

2. an illumination light source, this illumination light source has cylindric framework, it is characterized in that possessing:

Light emitting module, this light emitting module is arranged on the inside of described framework, and has light-emitting component and substrate, and the surface of this substrate is provided with described light-emitting component;

Diffuser, this diffuser forms a part for described framework, and covers the surface of described substrate; And

Lamp holder, is configured to the opening of the end blocking described framework,

Base station, this base station forms other a part of described framework, and the surface of this base station is provided with described light emitting module,

Described diffuser is the otch cylinder part with main opening, and this main opening is cut along direction of elongate at a part for elongated cylinder,

Described base station, keeps described diffuser in the mode blocking described main opening,

The part at the back side of described base station, forms the outer surface of the cylindrical conformation of described framework,

Other the part at the back side of described base station, is covered by described diffuser,

In other the part at the back side of described base station, be formed with the groove keeping described diffuser.

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

Described base station, has Structure of radiating fin in the part at the described back side.

4. illumination light source as claimed in claim 3, is characterized in that,

Described groove is formed by the fin forming described Structure of radiating fin.

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

Described groove, is communicated with the screw for fixing described lamp holder.

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

Described diffuser, is maintained at described groove in the mode that can slide.

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

The end of the circumference of described diffuser, chimeric with described groove.

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

Viewed from direction of elongate during described diffuser, the end of the circumference of described diffuser is outstanding to the below of described substrate.

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

Described base station, has heat-dissipating structure in the part at the described back side,

Described illumination light source has the lamp holder of bottomless drum shape shape, and this has the lamp holder of bottomless drum shape shape to cover the end of the long side direction of the described framework of elongate,

Described lamp holder has ventilating structure, and this ventilating structure is used for making extraneous air flow into described heat-dissipating structure via this lamp holder.

10. illumination light source as claimed in claim 9, is characterized in that,

Described ventilating structure is, is arranged on the blow vent of the bottom surface of described lamp holder.

11. illumination light sources as claimed in claim 10, is characterized in that,

The described bottom surface of described lamp holder, is formed with the first planar portions of the long side direction of the described framework of the elongate plane that is normal and the second planar portions by comprising,

In described first planar portions, be provided with the described blow vent be oppositely disposed with the end sides of described base station,

In described second planar portions, be provided with the splicing ear be connected with outside lamp socket in the mode that can load and unload,

Described first planar portions relative to described second planar portions, closer to the central authorities of the long side direction of described framework on the long side direction of described framework.

12. illumination light sources as claimed in claim 9, is characterized in that,

Described ventilating structure is, the opening portion that the part of the side of the barrel shape of described lamp holder is cut open.

13. illumination light sources as claimed in claim 9, is characterized in that,

Described heat-dissipating structure is, is laid on the structure of the multiple fin configuration adjacent one another are on the long side direction of the described framework of elongate.

14. illumination light sources as claimed in claim 13, is characterized in that,

Described ventilating structure is, corresponding with the concaveconvex shape of adjacent multiple described fin and be arranged on the concaveconvex shape of the side of the barrel shape of described lamp holder.

15. 1 kinds of lighting devices, is characterized in that,

Possesses the illumination light source described in any one of claim 1 to 14.