CN203147365U

CN203147365U - Lighting light source and lighting device

Info

Publication number: CN203147365U
Application number: CN2013200710891U
Authority: CN
Inventors: 王军
Original assignee: Matsushita Electric Industrial Co Ltd
Current assignee: Panasonic Holdings Corp
Priority date: 2013-02-07
Filing date: 2013-02-07
Publication date: 2013-08-21
Anticipated expiration: 2023-02-07

Abstract

Disclosed are a lighting light source and a lighting device. The lighting light source comprises a spherical shade (10) which is in a spindly spherical shape, light-transmitting and provided with an opening portion; a support column (40) which extends inside the spherical shade (10) from the opening portion (11) of the spherical shade (10); an LED (light emitting diode) module (20) which maintains at the top of the support column (40) in a direction orthogonal to the support column (40); a lighting circuit (80) which generates the power supplied to an LED (22); a resin housing (60) which is used for accommodating the lighting circuit (80); and a support plate (50) which is used for supporting the support column (40) and blocking the opening portion (11) of the spherical shade (11). The maximum value of the inner diameter of the spherical shade (10) in the direction orthogonal to the support column (40) is set as x, the length of the LED module (20) in the direction orthogonal to the support column (40) is set as y and the opening diameter of the spherical shade (10) is set as z, wherein x >y > z.

Description

Illumination light source and lighting device

Technical field

The utility model relates to the illumination light source that possesses light-emitting components such as semiconductor light-emitting elements, and the lighting device that possesses this illumination light source.

Background technology

Light emitting diode semiconductor light-emitting elements such as (Light Emitting Diode:LED), because energy efficiency height and life-span are long, therefore waiting in expectation to become the new light source of various lamps, as illumination light source, LED is being studied exploitation as the LED lamp of light source.

The LED lamp (bulb-shaped LED lamp) that the bulb-shaped of replacement bulb shape fluorescent lamp and incandescent lamp is arranged as the LED lamp perhaps substitutes the LED lamp (straight tube shape LED lamp) etc. of the straight tube shape of straight-pipe fluorescent lamp.For example, patent documentation 1 discloses bulb-shaped LED lamp in the past.In the LED lamp, as light source, adopted the led module that a plurality of LED are installed at substrate.

(prior art document)

(patent documentation)

Patent documentation 1 TOHKEMY 2006-313717 communique

In recent years, studying the bulb-shaped LED lamp that has in the characteristics of luminescence and imitated the formation of incandescent lamp in appearance.For example, constituting of disclosed bulb-shaped LED lamp adopted enclosed globe shade (glass bulb) used in incandescent lamp, and keeps led module with the center of state in this enclosed globe shade of hollow.

More specifically, utilize from the peristome of enclosed globe shade and extend the pillar (plug) that arranges towards the inside of enclosed globe shade, fixedly have at the top of this pillar, with the upwardly extending tabular led module in the side of pillar quadrature.

But, in the LED lamp of candle bubble shape, because enclosed globe shade is elongated spherical, therefore, need make the diameter (hereinafter referred to as " opening is directly ") of the peristome that is shorter in length than enclosed globe shade on the long limit of led module.This is because when making the LED lamp, needs to have the led module of pillar from the peristome insertion of enclosed globe shade, if the length on the long limit of led module is that the led module that then has pillar just can not be inserted into the cause of enclosed globe shade inside more than the opening footpath of enclosed globe shade.And elongated ball refers to, the rotary body that polar radius is bigger than equatorial radius (rotate axial length than with the direction of rotating shaft direct cross on the big rotary body of length), and with the shape after this rotary body distortion.For example, elongated bag is drawn together the ellipsoid of revolution (long ellipsoid, prolate ellipsoid) that long axis of ellipse is formed as rotating shaft.

Therefore, little and have in the LED lamps such as candle bubble shape of enclosed globe shade of the portion of heaving at the maximum diameter that possesses out the relative aperture trunk, owing to can only adopt the long limit that has than the opening of enclosed globe shade short led module directly, therefore the luminous quantity problem of abundance inadequately appears.That is, in LED lamp in the past, the size of led module has been subjected to the restriction in the opening footpath of enclosed globe shade, the problem of sufficient luminous quantity therefore occurs guaranteeing.

The utility model content

Therefore, the utility model is in order to solve the above problems, and purpose is to provide a kind of restriction that is not subjected to the opening footpath of enclosed globe shade, and has the illumination light source of sufficient luminous quantity, and the lighting device that possesses this illumination light source.

In order to reach above-mentioned purpose, an illumination light source that embodiment is related of the present utility model possesses: enclosed globe shade, be the elongate sphere shape, and have light transmission and have peristome; Pillar is configured to extend to the inside of described enclosed globe shade from the peristome of described enclosed globe shade; Light emitting module has substrate and is arranged on light-emitting component on the described substrate, and described substrate is maintained at the top of described pillar with the direction with described pillar quadrature; And support plate, support described pillar, and stop up the peristome of described enclosed globe shade; Will with the direction of described pillar quadrature on the maximum of internal diameter of described enclosed globe shade be made as x, will with the direction of described pillar quadrature on the length of described light emitting module be made as y, and the opening of described enclosed globe shade directly is made as under the situation of z, satisfy x〉y z.

And, in the related illumination light source of an embodiment of the present utility model, also can be that described y satisfies, y〉and 1.1z.

And, in the related bulb-shaped lamp of an embodiment of the present utility model, also can be, be made as in the length with described pillar under the situation of L, satisfy L〉y.

And, in the related illumination light source of an embodiment of the present utility model, also can be that described L satisfies, L〉and 1.1y.

And, in the related illumination light source of an embodiment of the present utility model, also can be, described enclosed globe shade is ellipsoid of revolution, the long axis of ellipse of this ellipsoid of revolution is rotating shaft; Described long axis of ellipse is being made as a, minor axis is being made as under the situation of b, satisfying a 1.5b.

And, in the related illumination light source of an embodiment of the present utility model, also can be described light emitting module, top with described pillar is pivot, is supported in the top of described pillar with the state that can rotate in comprising the face of described pillar.

And, in the related illumination light source of an embodiment of the present utility model, also can be, this illumination light source further possesses stop mechanism portion, and this stop mechanism portion is used for described light emitting module is remained on position with described pillar quadrature.

And, in the related illumination light source of an embodiment of the present utility model, also can be, described light emitting module, with after being inserted in the described enclosed globe shade with the non-orthogonal state of described pillar, be pivot by the top with described pillar, and be rotated so the state with described pillar quadrature, thereby remain on described pillar by described stop mechanism portion.

And, in the related illumination light source of an embodiment of the present utility model, also can be that this illumination light source also possesses: lamp holder; Lamp circuit utilizes the electric power that is supplied to via described lamp holder, generates the electric power that supplies to described light-emitting component; And shell, take in described lamp circuit; Described support plate is fixed in described shell.

And in order to reach above-mentioned purpose, a lighting device that embodiment is related of the present utility model possesses above-described any illumination light source.

By the utility model, a kind of restriction that is not subjected to the opening footpath of enclosed globe shade can be provided, and have the illumination light source of sufficient luminous quantity, and the lighting device that possesses this illumination light source.

Therefore, in the modern society that illumination light sources such as high efficiency and long-life LED lamp are popularized gradually, appearance design is graceful and can guarantee that the practical value of the present utility model of sufficient luminous quantity is very high.

Description of drawings

Fig. 1 is the front elevation of the related bulb-shaped lamp of embodiment of the present utility model.

Fig. 2 is the decomposition diagram of this bulb-shaped lamp.

Fig. 3 is the profile of this bulb-shaped lamp.

Fig. 4 is the figure for the feature in shape of this bulb-shaped lamp of explanation.

Fig. 5 is the front elevation for the structural feature of this bulb-shaped lamp of explanation.

Fig. 6 is the side view for the structural feature of this bulb-shaped lamp of explanation.

Fig. 7 is the figure for the assemble method of this bulb-shaped lamp of explanation.

Fig. 8 is the front elevation for the structural feature of this related bulb-shaped lamp of the variation 1 of explanation embodiment of the present utility model.

Fig. 9 is the side view for the structural feature of this bulb-shaped lamp of explanation.

Figure 10 is the figure for related this bulb-shaped lamp feature structurally of the variation 2 of explanation embodiment of the present utility model.

Figure 11 shows the enclosed globe shade of the related bulb-shaped lamp of the variation 3 of embodiment of the present utility model.

Figure 12 shows the led module of the related bulb-shaped lamp of the variation 4 of embodiment of the present utility model.

Figure 13 is the summary section of the related lighting device of embodiment of the present utility model.

Symbol description

1 bulb-shaped lamp; 2 lighting devices; 3 utensils of lighting a lamp; 4 appliance bodies; The 4a lamp socket; 5 lampshades; 10,10a-10c enclosed globe shade; 11 peristomes; 20,20a-20c led module; 21,21a-21c substrate; 22,22a-22c LED; 23,23a-23c seal member; 24,25 bearings; 24a, 25a are last facial; 24b, 24c, 25b, 25c side surface part; 25d, 25e protuberance; 30 lamp holders; 40,40a, 40b pillar; 45 end faces (end face of pillar); The 45a tabular surface; 45b, 45c curved surface; 46,56 incised notch portions; The 46a tabular surface; 46b, 46c internal face; 47a, 47b recess; The 48a bolt; The 48b nut; 50 support plates; 55 illuminating parts; The 57a recess; The 57b latch; 58a, 58b spring; 60 resin enclosures; 61 first housing departments; 62 second housing departments; 70 lead-in wires; 80 lamp circuits.

The specific embodiment

Below, with reference to accompanying drawing the related illumination light source of the utility model and the embodiment of lighting device are described.And each figure is ideograph, is not to be rigorous diagram.

And, below illustrated embodiment be an object lesson of the present utility model.The allocation position of the numerical value shown in the following embodiment, shape, material, inscape, inscape and connected mode etc. are an example, are not to be to limit purport of the present utility model.And, in the inscape of following embodiment, for the inscape that does not have record in the independent claims, describe as inscape arbitrarily.

[integral body of bulb-shaped lamp constitutes]

At first, referring to figs. 1 through Fig. 3 the integral body formation of the related bulb-shaped lamp 1 of embodiment of the present utility model is described.And bulb-shaped lamp 1 is an example of illumination light source of the present utility model.

Fig. 1 is the front elevation of the related bulb-shaped lamp of embodiment of the present utility model 1.Fig. 2 is the decomposition diagram of the related bulb-shaped lamp of embodiment of the present utility model 1.Fig. 3 is the profile of the related bulb-shaped lamp of embodiment of the present utility model 1.

And, figure 1 illustrates, the chain-dotted line of drawing along the above-below direction of paper is the lamp axle J (central shaft) of bulb-shaped lamp 1.Lamp axle J refers to, becomes the axle of pivot when bulb-shaped lamp 1 being installed to the lamp socket of lighting device (not shown), and is consistent with the rotating shaft of lamp holder 30 and enclosed globe shade 10.And, in Fig. 3, with cutaway view lamp circuit 80 is not shown, but with front elevation lamp circuit 80 is shown.

Bulb-shaped lamp 1 is the bulb-shaped LED lamp that becomes the substitute of lamp-bulb type fluorescent lamp or incandescent lamp.In the present embodiment, this bulb-shaped lamp 1 is the bulb-shaped lamp of candle bubble shape of shape of having copied the flame of candle.This bulb-shaped lamp 1 possesses: the enclosed globe shade 10 of light transmission, the lamp holder 30 of accepting electric power as the led module 20 of light source, from the outside of lamp, pillar 40, support plate 50, resin enclosure 60, lead-in wire 70 and lamp circuit 80.And lamp holder 30, resin enclosure 60, lead-in wire 70 and lamp circuit 80 are not to be the necessary inscape of bulb-shaped lamp 1.Realize the bulb-shaped lamp that driven by the galvanic electric power from the outside by enclosed globe shade 10, led module 20, pillar 40 and support plate 50.About going between 70, also can be waited by the distribution (pillar that has distribution) of the inside of passing pillar 40 to substitute.Below, each inscape of the related bulb-shaped lamp 1 of present embodiment is described.

[enclosed globe shade]

Enclosed globe shade 10 is the diffusers with elongate sphere shape of peristome 11, not only takes in led module 20, and makes from the light transmission of led module 20 outside to lamp.Incide the light transmission enclosed globe shade 10 of led module 20 of the inner face of this enclosed globe shade 10, be fetched to the outside of enclosed globe shade 10.

This enclosed globe shade 10 is by being that material transparent constitutes at the light from led module 20.For example can adopt at visible light as such enclosed globe shade 10 is the glass bulb (clear lamp) of transparent fused silica system.In this case, can be visual to the led module 20 that is incorporated in the enclosed globe shade 10 from the outside of enclosed globe shade 10.

And enclosed globe shade 10 can be transparent at visible light also, as long as have the function that light can be diffused into enclosed globe shade 10.For example, resin that also can be by will containing photodiffusion materials such as silica or calcium carbonate or Chinese white etc. are coated to whole inner face or the outside of enclosed globe shade 10, form milky optical diffusion film.And, be not limited to glass material as the material of enclosed globe shade 10, also can adopt the resin material that is constituted by propylene (PMMA) or polycarbonate synthetic resin such as (PC) etc.

[led module]

Led module 20 is examples that have substrate 21 and be arranged on the light emitting module of the light-emitting component (being LED (led chip) 22 at this) on the substrate 21.This led module 20 is luminous by coming by 70 electric power that supply to LED22 from lamp circuit 80 that go between, and by pillar 40, is maintained in the enclosed globe shade 10 with the direction that is orthogonal with pillar 40.That is to say that substrate 21 is maintained on the direction with pillar 40 quadratures.And as described later, led module 20 will be from throwing off with the holding position of pillar 40 quadratures when the power that is applied in more than certain, is pivot and can rotating with the top of pillar 40.

And led module 20 preferably is configured in the center (for example, most inside, the footpath that the internal diameter of enclosed globe shade 10 is big) of the elongate sphere shape that is formed by enclosed globe shade 10.This is in order to adopt the cause of size bigger (that is, luminous quantity is more) led module 20.And, by led module 20 being configured in the center of enclosed globe shade 10, thereby the light distribution characteristic of bulb-shaped lamp 1 is become, close to the light distribution characteristic of the general incandescent lamp of the heater winding that adopted in the past.

At this, led module 20 particularly possesses: have light transmission substrate 21, be configured in the interarea of substrate 21 LED22, be used for the seal member that contains wavelength shifter 23 of sealing LED 22 and can make led module 20 bearings 24 that link with pillar 40 that rotate.

Substrate 21 for example is to have the tabular substrate that thickness is the rectangular plane about 1mm for being used for installing the base plate of LED22.In the present embodiment, adopt the reflection of light rate to be used as substrate 21 than higher (for example more than 70%) white alumina substrate.In addition, the material of the substrate 21 that possesses of led module 20 is not to be defined to aluminium oxide.Substrate that substrate, sapphire substrate or the resin that for example also can adopt the light transparent ceramic substrate that is made of aluminium nitride, transparent glass substrate, be made of crystal made etc. is used as substrate 21.And, also hard substrate can be do not adopted, but flexible substrates can be adopted, perhaps the hard flexible substrates is used as substrate 21.

Be arranged with a plurality of LED22 at the interarea of substrate 21 with row shape (be two row at this), corresponding, be provided with seal member 23 in the interarea side, in order to cover each row of LED22.

As each LED22, for example can adopt the blue led chip that sends blue light.As the blue led chip, for example can adopt that material by InGaN system constitutes, centre wavelength is the gallium nitride based semiconductor light-emitting elements of 440nm-470nm.

Seal member 23 contains wavelength shifter, is used for the light wavelength that conversion LED22 sends.Wavelength shifter for example is the resin that contains fluorophor that contains fluorophor particle.As this resin, for example can adopt translucent materials such as silicones.And, as fluorophor particle, the yellow fluorophor particle that for example can adopt YAG (yttrium, aluminium, garnet) to be.This yellow fluorophor particle is excited by the blue light from LED22, and emits sodium yellow.Like this, thus emit by this sodium yellow and the white light that obtains from the blue light of LED22.

Bearing 24 is fixed on led module 20 (rigorous is substrate 21), is the parts by the bolt 48a supporting at the top that connects pillar 40.This bearing 24 is for example formed by aluminium metals such as (Al).By this bearing 24, led module 20 is pivot with the top of pillar 40, and the state rotating in the face that comprises pillar 40, is supported in the top of pillar 40.And bearing 24 can also play the effect that the heat that will take place at led module 20 is delivered to pillar 40.

[lamp holder]

Lamp holder 30 is power receiving sections, accepts to be used for making the luminous electric power of LED of led module 20 from the outside of bulb-shaped lamp 1.Lamp holder 30 is accepted electric power by two contacts, and the electric power of accepting with lamp holder 30 is imported into the electric power input part of lamp circuit 80 via lead-in wire.For example, lamp holder 30 is supplied to the alternating current from source power supply (AC100V).Particularly, lamp holder 30 is installed in the lamp socket of ligthing paraphernalia (lighting device), accepts alternating current from lamp socket.Accordingly, bulb-shaped lamp 1 (led module 20) is lit a lamp.

And the kind of lamp holder 30 does not have special restriction, adopts the lamp holder of the Edison screw (E type) of screw-type in the present embodiment.And, as the lamp holder of lamp holder 30 and the E type that adopts E26 shape, E17 shape or E16 shape etc. are for example arranged.

[pillar]

Pillar 40 is the plugs that nearby extend to the inside of enclosed globe shade 10 that are configured to from the peristome 11 of enclosed globe shade 10, is the metal plug (metal mainstay) of corner post shape in present embodiment.This pillar 40 is as the support unit performance function at enclosed globe shade 10 internal support led modules 20.That is, have for the end face 45 that supports led module 20 at the top of pillar 40, the back side butt of the substrate 21 of this end face 45 and led module 20 is to keep led module 20.And the bottom of pillar 40 is fixed on support plate 50.

And, in the present embodiment, being provided with the bearing 24 of perforation led module 20 and the bolt 48a of pillar 40 at the top of pillar 40, this bolt 48a is twisted solid by nut 48b.Accordingly, led module 20 is pivot with the top of pillar 40, and the state rotating in the face that comprises pillar 40, is supported in the top of pillar 40.

This pillar 40 also can be used as for the thermal component that will reject heat to lamp holder 30 1 sides in the heat that led module 20 takes place and plays a role.Therefore, by the metal material that pyroconductivity is high as the principal component that constitutes pillar 40, thereby can improve the radiating efficiency of pillar 40, the metal material that pyroconductivity is high for example has pyroconductivity to be about 237[W/mK] aluminium (Al).Like this, can suppress that Yin Wendu rises and the luminous efficiency of the LED22 that causes and the reduction in life-span.

In addition, except aluminium alloy, also can adopt copper (Cu) or iron (Fe) etc. as the metal material of pillar 40.And, also can not be metal as the material of pillar 40 but adopt resin.For example, as the material of pillar 40, under the situation that has adopted the high material of the transparencys such as propylene or crystalline ceramics, can make the light transmission pillar 40 that sends from led module 20, be released to the outside of enclosed globe shade 10.And to be stem stem be made of resin etc. the formation that also can adopt as pillar 40, and form metal film on its surface.

[support plate]

Support plate 50 is the parts for support column 40, is fixed in resin enclosure 60.Support plate 50 is configured to contact with the openend of the peristome 11 of enclosed globe shade 10, in order to the peristome 11 that stops up enclosed globe shade 10.

Particularly, support plate 50 is disc-shaped parts that the edge has stage portion, the openend butt of the peristome 11 of this stage portion and enclosed globe shade 10.And in this stage portion, the openend of the peristome 11 of support plate 50, resin enclosure 60 and enclosed globe shade 10 is by adhesive.

This support plate 50 is same with pillar 40, by being made of the high metal material of pyroconductivities such as aluminium, thereby the radiating efficiency of heat that is transmitted to the led module 20 of pillar 40 by support plate 50 heat is improved.Like this, can suppress that Yin Wendu rises and the luminous efficiency of the LED that causes and the reduction in life-span.And support plate 50 also can be formed as one by same metal pattern with pillar 40.

[resin enclosure]

Resin enclosure 60 is examples taking in the shell of lamp circuit 80, in the present embodiment the insulation crust (circuit supporter) for being used for pillar 40 and lamp holder 30 are insulated and take in lamp circuit 80.Resin enclosure 60 is made of big footpath first housing department 61 cylindraceous and path second housing department 62 cylindraceous.Resin enclosure 60 for example is shaped by polybutylene terephthalate (PBT).

Because the outer surface of first housing department 61 is exposed to the outside, therefore, be transmitted to the heat of resin enclosure 60 mainly by 61 heat radiations of first housing department.Second housing department 62 is constituted as outer peripheral face and contacts with the inner peripheral surface of lamp holder 30, is formed with for twisting the stubborn portions of closing of closing with lamp holder 30 at the outer peripheral face of second housing department 62.

[lead-in wire]

Article two, lead-in wire 70 is right for supplying to the lead-in wire of led module 20 be used to the electric power that led module 20 is lit a lamp from lamp circuit 80.In the present embodiment, for example adopt the insulation covered electric cable of the metal cords that coats wire-shaped such as copper cash with insulative resin, come as lead-in wire 70.Each lead-in wire 70 is configured in the enclosed globe shade 10, and an end is electrically connected with the outside terminal of led module 20, and the other end is electrically connected with the electric power efferent of lamp circuit 80.In other words, this other end is electrically connected with lamp holder 30.

[lamp circuit]

Lamp circuit 80 is from supplying with the next electric power via lamp holder 30, generate the power circuit of the electric power that supplies to light-emitting component (LED22), being covered by resin enclosure 60.For example, this lamp circuit 80 will be supplied with the alternating current that comes from lamp holder 30 and be transformed to direct current, via two lead-in wires 70, the direct current after the conversion be supplied to the LED22 of led module 20.

This lamp circuit 80 for example is made of circuit substrate and a plurality of components (electronic unit) of being installed in circuit substrate.Circuit substrate be metal wiring by the printed circuit board (PCB) that pattern forms, a plurality of components that are installed in this circuit substrate are electrically connected to each other.In the present embodiment, the interarea that is configured with a plurality of components of circuit substrate is configured with the state with lamp axle J quadrature.A plurality of components for example are capacitor, coil, resistance, diode, transistor and semiconductor integrated circuit etc.

And bulb-shaped lamp 1 also can possess lamp circuit 80.For example directly supplying with under the galvanic situation to bulb-shaped lamp 1 from ligthing paraphernalia or battery etc., bulb-shaped lamp 1 also can not possess lamp circuit 80.And lamp circuit 80 is not to be defined in alternating current is transformed to galvanic circuit, can be circuit, light adjusting circuit and the booster circuit etc. of suitably selecting alternating current is transformed to the alternating current of higher frequency yet, and can make up these circuit.

[bulb-shaped lamp in shape feature]

Then, utilize the related bulb-shaped lamp 1 of the present embodiment of Fig. 4 to describe in shape feature.Fig. 4 is the figure that the related bulb-shaped lamp 1 of present embodiment is described in shape feature.Shown in Fig. 4 (a), will with the direction of pillar 40 quadratures on the maximum of interior warp of enclosed globe shade 10 be made as x, enclosed globe shade 10 openings directly are made as z.And, shown in Fig. 4 (b), will with the direction of pillar 40 quadratures on the length (that is, the length on the long limit of substrate 21 below simply is called " length of led module ") of led module 20 be made as y, and the length of pillar 40 is made as L.And, shown in Fig. 4 (c), the maximum of the internal diameter on the lamp axle J of enclosed globe shade 10 direction is made as a, will with the direction of lamp axle J quadrature on the maximum of internal diameter be made as b.And being shaped as under the situation of ellipsoid of revolution that long axis of ellipse is rotating shaft of enclosed globe shade 10, this long axis of ellipse is a, and minor axis is b.At this, the meaning of " with the pillar quadrature " refers to, " being orthogonal with the axle (bearing of trend of pillar) of pillar ".In above representation, the formula 1 of the bulb-shaped lamp 1 in the present embodiment below feature in shape is satisfied.

X〉y〉z (formula 1)

That is to say that the maximum x of the internal diameter of enclosed globe shade 10 is bigger than the length y of led module 20, and the length y of led module 20 is bigger than the opening footpath z of enclosed globe shade 10.Accordingly, even the length y of led module 20 is bigger than the opening footpath z of enclosed globe shade 10, also can not be subjected to the opening footpath z restriction of enclosed globe shade 10, and can installs than more in the past LED22 at the substrate 21 of led module 20.Therefore, as the bulb-shaped lamp 1 of present embodiment, even at the maximum x of the internal diameter of enclosed globe shade 10, and the bulb-shaped lamp 1 of the candle bubble shape of its opening footpath z little (that is, x〉z set up) also can be guaranteed sufficient luminous quantity.

And from the maximum x of the internal diameter of the enclosed globe shade 10 of the bulb-shaped lamp 1 of present embodiment, than this feature of its opening footpath z big (that is, x〉z set up) as can be known, the shape of the enclosed globe shade 10 of this bulb-shaped lamp 1 is to have the elongate sphere shape that trunk is heaved.Accordingly, the global shape of the bulb-shaped lamp 1 of present embodiment becomes, and has the candle bubble shape of the shape of the flame of having simulated candle, has realized configuration design attractive in appearance.And the better shape of the bulb-shaped lamp 1 in the present embodiment is not only and is satisfied above-mentioned formula 1, preferably also satisfies following formula 2.

Y〉1.1z (formula 2)

That is to say, the length y of led module 20 preferably, greater than 1.1 times of enclosed globe shade 10 openings footpaths z.For example, z is under the situation of 4cm in the opening footpath of enclosed globe shade 10, and the length y of led module 20 is greater than 4.8cm.Like this, even have maximum x at the internal diameter of enclosed globe shade 10, and the bulb-shaped lamp 1 of the quite little enclosed globe shade of its opening footpath z also can be guaranteed sufficient luminous quantity.And, in the bulb-shaped lamp 1 of present embodiment, between the length y about the length L of pillar 40 and led module 20, satisfy following formula 3.

L〉y (formula 3)

That is to say that the length L of pillar 40 is greater than the length y of led module 20.At this, pillar 40 is fixed on the support plate 50 of occlusion of openings portion 11, owing to can support led module 20, therefore the length L of pillar 40 is equivalent to led module 20 and the distance of peristome 11 on lamp axle J as can be known.Therefore, above-mentioned formula 3 has following meaning.That is, and compare in the identical situation (that is, the situation of L=y) of the length y of the length L of pillar 40 and led module 20, the position of led module 20 is more close to the tip of enclosed globe shade 10.Particularly, the position of led module 20 becomes, from the peristome 11 of enclosed globe shade 10 (perhaps, the position of support plate 50) to poor (L-y) this part distance of inner (perhaps the inside that is to say the position at the tip of the subglobular cover 10) length L of extending pillar 40 and the length y of led module 20.Accordingly, be arranged near the situation of the position of support plate 50 with led module 20 as light source and compare, because led module 20 is maintained at the position away from support plate 50, be that the position of light source is maintained at the position away from support plate 50, therefore luminous direction then can become close to comprehensive.

And, in the bulb-shaped lamp 1 of present embodiment, be to be not only and to satisfy above-mentioned formula 3, and preferably also satisfy following formula 4 about the preferred relation between the length y of the length L of pillar 40 and led module 20.

L〉1.1y (formula 4)

That is, the length L of pillar 40 is preferably greater than 1.1 times of the length y of led module 20.For example, be under the situation of 5cm in the length of led module 20, the length L of pillar 40 is greater than 6cm.Like this, owing to can be maintained at position away from support plate 50 as the led module 20 of light source, therefore luminous direction becomes close to comprehensive.

And, the enclosed globe shade 10 of the bulb-shaped lamp 1 of present embodiment, under with the situation of long axis of ellipse as the ellipse of revolution shape of rotating shaft, this shape preferably satisfies following formula 5.

A〉1.5b (formula 5)

That is, form the long axis of ellipse a of the shape (ellipsoid of revolution) of enclosed globe shade 10, preferably greater than 1.5 times of its minor axis b.Like this, the shape of enclosed globe shade 10 becomes the shape close to the flame of candle, thereby has realized having the bulb-shaped lamp 1 that graceful candle steeps the shape of shape.

And, the shape of enclosed globe shade 10 is as long as be the elongate sphere shape, namely, the rotary body that polar radius is bigger than equatorial radius (rotate axial length than with the direction of rotating shaft direct cross on the big rotary body of length), and the shape after the distortion of such rotary body got final product, the shape of enclosed globe shade 10 is not limit by ellipsoid of revolution.Variation about the shape of enclosed globe shade 10 is treated aftermentioned.

[bulb-shaped lamp feature structurally]

Then, utilize Fig. 5 and Fig. 6, bulb-shaped lamp 1 structurally the feature related to present embodiment describes.Fig. 5 and Fig. 6 are the figure that related bulb-shaped lamp 1 feature structurally of present embodiment is described.Fig. 5 is the perspective view of the linking portion of led module 20 and pillar 40.Fig. 6 is the front elevation (Fig. 6 (a)) of the linking portion of led module 20 and pillar 40, and side view (Fig. 6 (b)).

And though Fig. 5 upper left shows the state that bearing 24 separates with led module 20, this only is for the ease of understanding.The perspective view at the back side that is actually the led module 20 shown in Fig. 5 upper right is such, and bearing 24 is fixed on led module 20 (rigorous be substrate 21) by adhesive etc.

Bearing 24 has: contact and be fixed on the last facial 24a of this substrate 21 with substrate 21, and, form as one with facial 24a on this and have two side surface part 24b and the 24c in hole that bolt 48a connects.Two side surface part 24b of bearing 24 and 24c toward each other, and distance apart is for just in time clipping pillar 40.And bolt 48a connects bearing 24 and pillar 40, is twisted solid by nut 48b at its front end.By this bearing 24, led module 20 can be pivot with the top of pillar 40, from the position of pillar 40 quadratures, respectively to about 45 degree of maximum rotation clockwise and counterclockwise.

The end face 45 that is positioned at the top of pillar 40 is made of tabular surface 45a and curved surface 45b, this tabular surface 45a is the face that is formed on the direction of (front end) and bearing of trend quadrature pillar 40 on the top of pillar 40, and this curved surface 45b is the face of two bendings that links two sides of this tabular surface 45a and pillar 40 respectively.

When led module 20 was positioned at position with pillar 40 quadratures, the last facial 24a of bearing 24 contacted with the tabular surface 45a of pillar 40.Accordingly, led module 20 can be maintained at the position with pillar 40 quadratures.But, applying to led module 20 under the situation that makes the certain above power that this led module 20 rotates, led module 20 is thrown off from this hold mode, and serves as spool to rotate with the bolt 48a that connects bearing 24.Like this, the last facial 24a of bearing 24 and the tabular surface 45a of pillar 40 can play, and are used for led module 20 is remained on effect with the locational stop mechanism portion of pillar 40 quadratures.Like this, with led module 20 with after being inserted in the enclosed globe shade 10 with the non-orthogonal state of pillar 40 (be the state of inclination with respect to pillar 40), rotate by making led module 20, thereby led module 20 can be remained on position with pillar 40 quadratures.

[assemble method of bulb-shaped lamp]

Then, utilize the assemble method of the related bulb-shaped lamp 1 of the present embodiment of Fig. 7 to describe.Fig. 7 is the figure that the assemble method to the related bulb-shaped lamp 1 of present embodiment describes.Show at this, pillar 40 is fixed on support plate 50, and the assemble method when enclosed globe shade 10 is covered illuminating part 55, this illuminating part 55 are led module 20 is installed in pillar 40 with the state that can rotate assemblies.And two lead-in wires 70 are an end and are electrically connected with the outside terminal of led module 20, and the state of the other end is perforation support plate 50, with lamp circuit 80 unconnected open states or the connection status that is electrically connected with lamp circuit 80.

At first, shown in Fig. 7 (a), at illuminating part 55, led module 20 is set to the position non-orthogonal with pillar 40 (for example, led module 20 and pillar 40 intersect becomes position with 45 degree).Keep this state and led module 20 and pillar 40 can be inserted into the state among the enclosed globe shade 10, make enclosed globe shade 10 cover on (Fig. 7 (b)) on the illuminating part 55.Then, by two lead-in wires 70 wherein downward (away from the direction of enclosed globe shade 10) are drawn, be the pivot rotation thereby make led module 20 with the top of pillar 40, led module 20 is remained on the position (Fig. 7 (c)) with pillar 40 quadratures.

Like this, with led module 20 with after being inserted in the enclosed globe shade 10 with the non-orthogonal state of pillar 40, and be that pivot rotates led module 20 with the top of pillar 40, by above-mentioned stop mechanism portion, led module 20 is remained on position with pillar 40 quadratures.Accordingly, although led module 20 has the big length than the opening of enclosed globe shade 10 footpath z, also led module 20 can be inserted among the enclosed globe shade 10, and remain on position with pillar 40 quadratures.Therefore, even have the bulb-shaped lamp 1 of the enclosed globe shade of heaving as this trunk of candle bubble shape, the led module 20 of having guaranteed sufficient luminous quantity can be installed also.

[variation 1]

In addition, the connecting state of led module and pillar is not limit by above-mentioned embodiment.Below, utilize Fig. 8 and Fig. 9 to come other the connecting state as the led module of the variation 1 of embodiment and pillar is described.

Fig. 8 and Fig. 9 are the figure that variation 1 related bulb-shaped lamp feature is structurally described.Fig. 8 is the perspective view of the linking portion of led module 20a and pillar 40a.Fig. 9 is the front elevation (Fig. 9 (a)) of the linking portion of led module 20a and pillar 40a, and side view (Fig. 9 (b)).

And though show the state that bearing 25 separates with led module 20a Fig. 8 upper left, this only is for easy understanding.The perspective view at the back side that is actually the led module 20a shown in Fig. 8 upper right is such, and bearing 25 is fixed on led module 20a (rigorous be substrate 21a) by adhesive etc.

In this variation 1, be formed with incised notch portion 46 at the top of pillar 40a.Incised notch portion 46 is tabular surface 46a, the internal face 46b at the top of pillar 40a and the space that 46c constitutes.The size of the width of led module 20a (length of the minor face in the flat shape) shown in Fig. 9 (b), can be accommodated in incised notch portion 46.And, be arranged with LED22a at the substrate 21a of led module 20a, identical with above-mentioned embodiment by seal member part that 23a covers about these LED22a.

Bearing 25 has: be fixed on the last facial 25a of substrate 21a, and with this on facial 25a two side surface part 25b that form as one, that have hole that bolt 48a connects and 25c.In this variation, two

side surface part

25b and 25c toward each other, and the incised notch portion 46 that forms for the top that just in time can be inserted in pillar 40a of distance apart.And bolt 48a connects bearing 25 and pillar 40a, is twisted solid by nut 48b at its front end.By this bearing 25, led module 20a can be pivot with the top of pillar 40a, from spending to clockwise and counter clockwise direction maximum rotation about 70 respectively with the position of pillar 40a quadrature.

Two

side surface part

25b and 25c at bearing 25 are formed with

protuberance

25d and 25e respectively.Corresponding with these

protuberances

25d and 25e, internal face 46b and 46c at the pillar 40a of the incised notch portion 46 of pillar 40a are formed with

recess

47a and 47b respectively.

When led module 20a was positioned at position with pillar 40a quadrature, the protuberance 25d of bearing 25 and 25e engaged with recess 47a and the 47b of pillar 40a respectively.Accordingly, led module 20a is maintained at the position with pillar 40a quadrature.But, applying to led module 20a under the situation that makes the certain above power that this led module 20a rotates, led module 20a throws off from this hold mode, serves as spool to rotate with the bolt 48a that connects bearing 25.Like this, recess 47a and the 47b of the protuberance 25d of bearing 25 and 25e and pillar 40a play a role as the stop mechanism portion that is used for led module 20a remains on the position of pillar 40a quadrature.Accordingly, by with led module 20a with after being inserted in the enclosed globe shade 10 with the non-orthogonal state of pillar 40a (be the state of inclination with respect to pillar 40a), led module 20a is rotated, thereby can make led module 20a remain to position with pillar 40a quadrature.

[variation 2]

And the mode of other that link about led module and pillar as modified embodiment of the present embodiment 2, below utilizes Figure 10 to describe.

(a) of Figure 10 and (b) be respectively front elevation and the side view of the linking portion of the led module 20b of under making the postrotational state of led module 20b (state when being inserted into enclosed globe shade 10) and pillar 40b.(c) of Figure 10 and (d) be respectively front elevation and the side view of the linking portion of the led module 20b of (be inserted into enclosed globe shade 10 after state) and pillar 40b under the state of having fixed behind the led module 20b.And, omit the diagram of lead-in wire 70 in the figure.

In this variation 2, pillar 40b is cylinder, and the diameter of lower end and upper end is bigger than central portion.And, be arranged on (b) of Figure 10 and (d) shown in the hole of lower end of pillar 40b be lead-in wire 70 through hole.The top of pillar 40b is seen as triangle from the front, and is same at this and above-mentioned variation 1, is formed with incised notch portion 56.In this incised notch portion 56, led module 20b and pillar 40b are linked by bolt and nut.Accordingly, led module 20b is pivot with the top of pillar 40b, from the position of pillar 40b quadrature, respectively to clockwise and about 45 degree of maximum rotation counterclockwise.

And, shown in Figure 10 (d), be equipped with latch 57b at the back side of led module 20b, be used for engaging with the recess 57a that is arranged on pillar 40b.And led module 20b and pillar 40b are linked by the spring 58a that is positioned at rotating shaft (bolt and nut) both sides and 58b.When this

spring

58a and 58b rotate at led module 20b, can produce restoring force in the direction that led module 20b is turned back to the position of pillar 40b quadrature.By this mechanism, the position of led module 20b is maintained on the direction with pillar 40b quadrature.But under the situation that led module 20b is applied the certain above power that makes its rotation, led module 20b throws off from this hold mode, and serves as spool to rotate with the bolt that connects pillar 40b.

Like this, be arranged on pillar 40b recess 57a, be arranged on led module 20b latch 57b, link spring 58a and the 58b of led module 20b and pillar 40b, as playing a role for the stop mechanism portion that led module 20b is remained on the position of pillar 40b quadrature.Accordingly, with led module 20b with after being inserted in the enclosed globe shade 10 with the non-orthogonal state of pillar 40b (be the state of inclination with respect to pillar 40b), by led module 20b is rotated, thereby led module 20b can be remained on the position with pillar 40b quadrature.

[variation 3]

And the shape of enclosed globe shade is not limit by above-mentioned embodiment.Below, utilize Figure 11 that other the example as the shape of the enclosed globe shade of the variation 3 of embodiment is described.

Figure 11 shows the enclosed globe shade of the related bulb-shaped lamp of variation 3.At this, show these three kinds of enclosed globe shade 10a to 10c as the different shape of the enclosed globe shade of the bulb-shaped lamp in this variation.

(a) of Figure 11 shows the enclosed globe shade 10a of the shape with ellipsoid of revolution (long ellipsoid, prolate ellipsoid) that long axis of ellipse is formed as rotating shaft.Figure 11 (b) shows enclosed globe shade 10b, and it is the shape of the rotary body that forms of rotating shaft that this enclosed globe shade 10b has with the rand with the isosceles triangle after three angle slynessizationes.(c) of Figure 11 shows the enclosed globe shade 10c that has the shape after the rotary body distortion, and namely this enclosed globe shade 10c has the shape that the front end of ellipsoid of revolution is bent to the front end of the flame that looks like candle.

These enclosed globe shades 10a to 10c is the elongate sphere shape that trunk is heaved, the maximum x ratio open of their internal diameter footpath z big (that is x,〉z set up).Therefore, by adopting such enclosed globe shade 10a to 10c, realized having the bulb-shaped lamp of the candle bubble shape of the shape of having imitated candle flame, shape has as a whole realized the graceful outward appearance of design.

[variation 4]

And the shape of led module is not limit by above-mentioned embodiment.Below, utilize Figure 12 that other the example of shape as the led module of the variation 4 of embodiment is described.

Figure 12 shows the led module of the related bulb-shaped lamp of variation 4.At this, as the different shape of the led module of the bulb-shaped lamp in this variation, show two kinds of flat shapes of led

module

20b and 20c.

In the led module 20b that Figure 12 (a) illustrates, the minor face in the flat shape (being the two ends on the long side direction of substrate 21b) is circular-arc along the inwall of enclosed globe shade 10.And, be arranged with three row LED22b at substrate 21b, and covered by seal member 23b.One row of the centre among three row are longer than the row of both sides, and comprise more LED22b.Accordingly, can guarantee bigger luminous quantity than led module 20 in the above-mentioned embodiment of the LED22 that is arranged in two row.

In the led module 20c that Figure 12 (b) illustrates, flat shape is oval.On substrate 21c, LED22c is arranged in ring-type, and is covered by seal member 23c.Accordingly, can peripherad 360 directions of spending emit almost impartial light.

[lighting device]

The utility model not only can be realized as above-mentioned bulb-shaped lamp 1, and can realize as the lighting device that possesses bulb-shaped lamp 1.Below, utilize Figure 13 that the related lighting device of embodiment of the present utility model is described.

Figure 13 is the summary section of the related lighting device of embodiment of the present utility model 2.The related lighting device 2 of embodiment of the present utility model for example is installed in indoor ceiling and uses, and possesses the related bulb-shaped lamp of above-mentioned embodiment 1 and the utensil 3 of lighting a lamp.

The utensil 3 of lighting a lamp is the utensils that make bulb-shaped lamp 1 turn off the light and light a lamp, and possesses the appliance body 4 that is installed in ceiling, and the lampshade 5 that covers the light transmission of bulb-shaped lamp 1.

Appliance body 4 has lamp socket 4a.The lamp holder 30 of bulb-shaped lamp 1 is screwed into lamp socket 4a.Electric power is fed into bulb-shaped lamp 1 by this lamp socket 4a.

In addition, be an example at this lighting device 2, the lighting device that the utility model is related can be the lighting device of constructing arbitrarily so long as possess the lighting device of the lamp socket 4a of the lamp holder 30 that can be screwed into bulb-shaped lamp 1.And, be a bulb-shaped lamp 1 though lighting device 2 shown in Figure 13 possesses, but also can possess a plurality ofly for example to possess plural bulb-shaped lamp 1.

(other)

More than, based on embodiment with and variation the related illumination light source of the utility model is illustrated, but, the utility model is not limit by these embodiments and variation.In exceeding the scope of purport of the present utility model, various distortion are performed in present embodiment and variation, the mode that perhaps inscape in embodiment and the variation is made up the back formation all is included in the scope of the present utility model.

For example, in above-mentioned embodiment and variation, in led module by blue led and yellow fluorophor particle are made up to emit white light.But, the combination of the kind of the illuminant colour of LED and wavelength shifter is not to be limited by this.For example, in led module, red-emitting phosphors and green-emitting phosphor can be used as wavelength shifter, thereby and by emitting white light with the blue led combination.

And, also can adopt the LED that sends blue light in addition as LED.For example, adopt as LED under the situation of LED of luminescence-utraviolet, the fluorophor particle that adopts as wavelength shifter can adopt combination to send the versicolor fluorophor particle of three primary colors (red, green, blueness).

And, also can be with the material beyond the fluorophor particle as wavelength shifter.For example, also can adopt as wavelength shifter and to contain semiconductor, metal complex, organic dyestuff or pigment etc., absorb the light of certain wavelength, and send the material of the material of the light different with the light wavelength that absorbs.

And the LED in the led module and the columns of seal member are not to be defined in two row and three row.For example, LED also can be arranged in four row.And seal member also can be formed all LED on the covered substrate.

And in above-mentioned embodiment and variation, LED also can need not to be led chip itself.LED for example also can be element pasted on surface (SMD:Surface Mount Device) the type LED that has the packaging body of top opening and be configured in the led chip in the packaging body.

And, in above-mentioned embodiment and variation, adopted LED as the light-emitting component of the light source of led module.But, semiconductor light-emitting elements such as semiconductor laser, organic EL (Electro Luminescence: electroluminescent) or inorganic EL etc. can be as the light-emitting component of led module.

And the trunk of pillar is not to be subject to corner post or cylinder, for example can be cylindroid, polygonal post yet.And the sectional area of the trunk of pillar also can be along with more most advanced and sophisticated with regard to more and more thinner shape near led module, perhaps becomes most advanced and sophisticated more and more thicker shape on the contrary.

The utility model is useful on the illumination light source with light-emitting components such as LED and the lighting device that possesses this illumination light source, is particularly useful for illumination light source and the lighting device of the incandescent lamp that substitutes in the past etc.For example, the utility model can be used in and possess light up the LED lamp of bubble shape and the lighting device of LED lamp.

Claims

1. illumination light source possesses:

Enclosed globe shade is the elongate sphere shape, has light transmission and has peristome;

Pillar is configured to extend to the inside of described enclosed globe shade from the peristome of described enclosed globe shade;

Light emitting module has substrate and is arranged on light-emitting component on the described substrate, and described substrate is maintained at the top of described pillar with the direction with described pillar quadrature; And

Support plate supports described pillar, and stops up the peristome of described enclosed globe shade;

This illumination light source is characterised in that,

Will with the direction of described pillar quadrature on the maximum of internal diameter of described enclosed globe shade be made as x, will with the direction of described pillar quadrature on the length of described light emitting module be made as y, and the opening of described enclosed globe shade directly is made as under the situation of z, satisfy x〉y z.

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

Described y satisfies, y〉1.1z.

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

Be made as in the length with described pillar under the situation of L, satisfy L y.

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

Described L satisfies, L〉1.1y.

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

Described enclosed globe shade is ellipsoid of revolution, and the long axis of ellipse of this ellipsoid of revolution is rotating shaft;

Described long axis of ellipse is being made as a, minor axis is being made as under the situation of b, satisfying a 1.5b.

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

Described light emitting module is pivot with the top of described pillar, is supported in the top of described pillar with the state that can rotate in comprising the face of described pillar.

7. illumination light source as claimed in claim 6 is characterized in that,

This illumination light source further possesses stop mechanism portion, and this stop mechanism portion is used for described light emitting module is remained on position with described pillar quadrature.

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

Described light emitting module, with after being inserted in the described enclosed globe shade with the non-orthogonal state of described pillar, be pivot by the top with described pillar, and be rotated so the state with described pillar quadrature, thereby remain on described pillar by described stop mechanism portion.

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

This illumination light source also possesses:

Lamp holder;

Lamp circuit utilizes the electric power that is supplied to via described lamp holder, generates the electric power that supplies to described light-emitting component; And

Shell is taken in described lamp circuit;

Described support plate is fixed in described shell.

10. a lighting device is characterized in that, possesses each described illumination light source of claim 1 to 9.