CN105202384A - LED unit and illuminating device with the LED unit - Google Patents
LED unit and illuminating device with the LED unit Download PDFInfo
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- CN105202384A CN105202384A CN201510266106.0A CN201510266106A CN105202384A CN 105202384 A CN105202384 A CN 105202384A CN 201510266106 A CN201510266106 A CN 201510266106A CN 105202384 A CN105202384 A CN 105202384A
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- light
- led unit
- pedestal
- cap assembly
- emitting device
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/104—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening using feather joints, e.g. tongues and grooves, with or without friction
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V3/00—Globes; Bowls; Cover glasses
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Led Device Packages (AREA)
Abstract
The invention aims to provide an LED unit which can further reduce brightness non-uniformity of light that is transmitted from the LED unit, and an illuminating device with the LED unit. The LED unit (10) is provided with the components of a base (1); a light emitting device (3) which is provided with a light emitting part (3a) with an LED chip as a light source; a bracket (2) which fixes the light emitting device (3) with the base (1); and a cover component (9) which is mounted on the base (1). The bracket (2) is provided with an annular base part (2m) and an inner circumferential wall (2g) which projects from the inner circumference of the base part (2m) to the base (1). The cover component (9) is provided with the components of a light emitting-out part (9h) which is arranged oppositely to the light emitting device (3), a sidewall part (9j) which projects to the base (1), and a connecting part (9i) for connecting the light emitting-out part (9h) with the sidewall part (9j). The cover component (9) is provided with a light scattering part (9s) at the connecting part (9i).
Description
Technical field
The present invention relates to the LED unit with LED chip with the illuminating part being light source and the ligthing paraphernalia using this LED unit.
Background technology
Start in recent years to utilize the ligthing paraphernalia using LED unit.
About this LED unit, be known to have pedestal, light-emitting device, support, covering support Decorative Cover, make the structure (such as, document 1 " No. 2012-182192nd, Japanese Laid-Open Patent Publication ") of light transmissive cover.
In the LED unit of document 1, light-emitting device has the illuminating part possessing LED chip.Light-emitting device is kept between support and pedestal.The Decorative Cover of the ring-type of LED unit has the effect as reflector, controls the luminous intensity distribution of the light from light-emitting device radiation.
, there is the situation producing brightness disproportionation from the light of LED unit radiation in LED unit.LED unit is required to the structure that the brightness disproportionation of the light radiated is less, require further improvement.
Summary of the invention
The object of the invention is to, provide from the less LED unit of the brightness disproportionation of the light of LED unit radiation and the ligthing paraphernalia using this LED unit.
The LED unit (10) of mode of the present invention has pedestal (1), light-emitting device (3), support (2), cap assembly (9).Described pedestal (1) outer shape in tabular.Described light-emitting device (3) is configured in the 1st surface (1aa) side of described pedestal (1).Described light-emitting device (3) has illuminating part (3a).Described illuminating part (3a) has LED chip as light source.Described light-emitting device (3) is fixed on described pedestal (1) by described support (2).Described cap assembly (9) has light transmission.Described cap assembly (9) is configured in the light-emitting area side of described light-emitting device (3).Described cap assembly (9) is installed on described pedestal (1).Described support (2) has base portion (2m) and the internal perisporium (2g) of ring-type.Described internal perisporium (2g) is outstanding from the inner circumferential of described base portion (2m) towards described pedestal (1).Described internal perisporium (2g) restriction penetrates the scope in described cap assembly (9) from the direct illumination that described illuminating part (3a) radiates.Described cap assembly (9) has light exit portion (9h), sidewall portion (9j), connecting portion (9i).Described smooth exit portion (9h) is arranged opposite with described light-emitting device (3).Described smooth exit portion (9h) makes to shine outside from the light of described illuminating part (3a).Described sidewall portion (9j) is configured to give prominence to towards described pedestal (1).Described connecting portion (9i) is formed continuously from the periphery of described smooth exit portion (9h).Described connecting portion (9i) makes described smooth exit portion (9h) be connected with described sidewall portion (9j).In addition, described cap assembly (9) has the light scattering portion (9s) of the light scattering making to radiate from described illuminating part (3a) at described connecting portion (9i).
The feature of ligthing paraphernalia of the present invention (30) is, has above-mentioned described LED unit (10) and installs the appliance body (31) of this LED unit (10).
Accompanying drawing explanation
Fig. 1 is the sectional view of the LED unit that embodiment 1 is described.
Fig. 2 is the exploded perspective view of the LED unit representing embodiment 1.
Fig. 3 is the front view of the LED unit representing embodiment 1.
Fig. 4 is the side view of the LED unit representing embodiment 1.
Fig. 5 is the upward view of the LED unit representing embodiment 1.
Fig. 6 is the stereogram of the LED unit representing embodiment 1.
Fig. 7 is the front view of the major part of the LED unit representing embodiment 1.
Fig. 8 is the stereogram of the rear side of the major part of the LED unit representing embodiment 1.
Fig. 9 is the partial sectional view that the comparative example compared with the LED unit of embodiment 1 is described.
Figure 10 is another sectional view of the LED unit that embodiment 1 is described.
Figure 11 is another exploded perspective view of the LED unit that embodiment 1 is described.
Figure 12 is the front view of another major part of the LED unit representing embodiment 1.
Figure 13 is the front view of another major part of the LED unit representing embodiment 1.
Figure 14 is the stereogram of the LED unit that embodiment 1 is described.
Figure 15 is the stereogram of the rear side of the LED unit representing embodiment 1.
Figure 16 is the stereogram of the ligthing paraphernalia of the LED unit using embodiment 1.
Figure 17 is the cross sectional illustration figure of the ligthing paraphernalia that the LED unit using embodiment 1 is described.
Figure 18 is the stereogram of another ligthing paraphernalia of the LED unit using embodiment 1.
Figure 19 is the sectional view of another ligthing paraphernalia that the LED unit using embodiment 1 is described.
Figure 20 is the three-dimensional cutaway view of the LED unit that embodiment 2 is described.
Detailed description of the invention
(embodiment 1)
Below, the LED unit 10 of present embodiment is described with reference to Fig. 1 ~ Fig. 8, Figure 10 ~ Figure 15.Use Figure 16 and Figure 17 that the ligthing paraphernalia 30 with LED unit 10 is described.Use Figure 18 and Figure 19 that the another kind of ligthing paraphernalia 30s with LED unit 10 is described.Fig. 1 represents the AA cross section of Fig. 3.In the drawings, identical label is marked to same parts, and omits repeat specification.The size of the parts shown by each accompanying drawing and position relationship are exaggerated sometimes, to be described clearly.In the following description, form each key element of present embodiment both can be form multiple key element by parts, by a double mode doing multiple key element of parts, also can be share the function of parts and the mode that realizes by multiple parts.
The LED unit 10 of present embodiment has base 1, light-emitting device 3, support 2 and cap assembly 9 as shown in Fig. 1 ~ Fig. 6.The outer shape of pedestal 1 in tabular.Light-emitting device 3 is configured in the 1st surperficial 1aa side of pedestal 1.Light-emitting device 3 has illuminating part 3a.Illuminating part 3a has LED chip as light source.Light-emitting device 3 is fixed on pedestal 1 by support 2.Cap assembly 9 has light transmission.Cap assembly 9 is configured in the light-emitting area side of light-emitting device 3.Cap assembly 9 is installed on pedestal 1.Support 2 has base portion 2m and the internal perisporium 2g of ring-type.Internal perisporium 2g gives prominence to from the inner circumferential of base portion 2m towards pedestal 1.Internal perisporium 2g limits the scope that cap assembly 9 is penetrated in the direct illumination of radiating from illuminating part 3a.In FIG, the direct of travel of the direct light radiated from illuminating part 3a by the arrow example of single dotted broken line.At this, directly only refer to radiate and the light of direct irradiation cap assembly 9 from illuminating part 3a.Cap assembly 9 has light exit portion 9h, sidewall portion 9j, connecting portion 9i.Light exit portion 9h and light-emitting device 3 arranged opposite.Light exit portion 9h makes the light of self-luminescent part 3a to shine outside.Sidewall portion 9j is configured to give prominence to towards pedestal 1.Connecting portion 9i is formed continuously from the periphery of light exit portion 9h.Light exit portion 9h and sidewall portion 9j couples together by connecting portion 9i.In addition, cap assembly 9 has the light scattering portion 9s of the light scattering making to radiate from illuminating part 3a at connecting portion 9i.LED unit 10 illustrates light scattering portion 9s large in Fig. 1,4,5, to be clearly described.
The cap assembly 9 of the LED unit 10 of present embodiment has the light scattering portion 9s of the light scattering making to radiate from illuminating part 3a at connecting portion 9i, can reduce the brightness disproportionation of the light radiated from LED unit 10 thus further.
Below, more specific description is carried out to the structure of the LED unit 10 of present embodiment.
LED unit 10 has discoideus pedestal 1 and is located at the distance piece 6 of pedestal 1.Distance piece 6 is formed as the annular shape in central authorities with round-shaped opening portion 6b.Distance piece 6 is formed as the shape making the profile of distance piece 6 smaller than the profile of pedestal 1.Pedestal 1 has recess 1e.Recess 1e can receive and configuration space part 6.Pedestal 1 has convex portion 1f in the 1st surperficial 1aa side.Convex portion 1f gives prominence to from the central portion of the inner bottom surface of recess 1e.Convex portion 1f is formed as the rounded shape of top view.Convex portion 1f is arranged in the mode exposed from the opening portion 6b of distance piece 6.Convex portion 1f is formed as can at the structure of front end face 1fa placing light-emitting device 3.Light-emitting device 3 can abut with front end face 1fa across thermal grease.Light-emitting device 3 is electrically connected with the electric wire 4 of power supply by portion of terminal 3c.1st protruding 1r gives prominence at the inner bottom surface of recess 1e.1st protruding 1r is located at the both sides of the width of rectangular-shaped light-emitting device 3.1st protruding 1r forms porose 1d.Hole 1d is configured to insert for rigging screw 23d.Rigging screw 23d can be used for support 2 to be arranged on pedestal 1.For LED unit 10, compared with being configured in the situation of the both sides of the length direction of light-emitting device 3 with the 1st protruding 1r, the internal perisporium 2g of support 2 can be reduced.
Pedestal 1 has notch part 1c in the perimembranous of pedestal 1.Notch part 1c can be used for deriving electric wire 4 to the outside of LED unit 10.The direction of the electric wire 4 that notch part 1c can make the outside to LED unit 10 derive, the direction of the thickness direction along pedestal 1 and along the 2nd surperficial 1ab of pedestal 1 direction between change.That is, LED unit 10 be configured to can by the electric wire 4 of deriving from notch part 1c the direction of the thickness direction along pedestal 1 and along the 2nd surperficial 1ab of pedestal 1 direction between, derive to any direction.Notch part 1c be formed as to the thickness direction along pedestal 1 direction derive from notch part 1c derive electric wire 4 time, electric wire 4 is configured in than pedestal 1 periphery in the inner part.
Pedestal 1 is formed as toroidal when top view.Pedestal 1 is not limited to toroidal.Such as, when top view, pedestal 1 also can be polygon-shaped or elliptical shape.Polygon-shaped when being rectangular-shaped in what is called, pedestal 1 also can be formed as square shape or oblong-shaped.The structure of pedestal 1 can have convex portion 1f with forming as one.Pedestal 1 such as can be formed as cast aluminium system.Pedestal 1 is not limited to the situation using aluminium.Material such as copper and stainless steel and other metal materials that pedestal 1 also can utilize thermal conductivity higher than resin are formed.Convex portion 1f not only can be integrally formed with pedestal 1, also can be formed with pedestal 1 split.The convex portion 1f of the heat produced at light-emitting device 3 by pedestal 1, when the aluminium utilizing thermal conductivity higher than resin forms pedestal 1, can more effectively externally dispel the heat by LED unit 10.
Support 2 can be formed as ring-type when top view as shown in Figure 7.Support 2 is formed with fenestra portion 2a at the central portion of ring-type.Support 2 makes the illuminating part 3a of light-emitting device 3 expose from fenestra portion 2a.Fenestra portion 2a is formed by internal perisporium 2g.Internal perisporium 2g is formed as the structure of giving prominence to towards pedestal 1 from the inner circumferential of the base portion 2m of ring-type.Preferred internal perisporium 2g is formed as along with away from light-emitting device 3 on the optical axis direction of light-emitting device 3, and aperture area increases gradually.The wall end 2e of internal perisporium 2g is configured to can press light-emitting device 3 as illustrated in figures 1 and 8, and keeps light-emitting device 3 between support 2 and pedestal 1.Support 2 is configured between pedestal 1 and cap assembly 9.Support 2 is contained and is configured in the main part 9a of cap assembly 9.LED unit 10, by using the support 2 of non-light transmittance, even when improving the light transmission of cap assembly 9 further, also can suppress to observe from the outside of LED unit 10 for support 2 being fixed on rigging screw 23d pedestal 1 and electric wire 4.
The structure that LED unit 10 is formed as utilizing support 2 to suppress light to be revealed from notch part 1c.The brightness disproportionation that LED unit 10 can suppress the light owing to revealing from notch part 1c and produce.LED unit 10 utilizes support 2 to suppress brightness disproportionation, thus also can suppress the decline of the uniformity of the shadow surface in LED unit 10.
Support 2, at pedestal 1 side installation space 2b, receives the electric wire 4 be electrically connected with the portion of terminal 3c of light-emitting device 3 in the 2b of space.Preferred support 2 has towards the outstanding multiple 2nd protruding 2p of pedestal 1, can maintain the space 2b of regulation between support 2 and pedestal 1.Support 2 has installation portion 2d at the position that the hole 1d with pedestal 1 is corresponding.Installation portion 2d is screwed into for the rigging screw 23d inserted from the rear side of support 2.
Support 2 such as can utilize thermoplastic resin to be formed.Support 2 can use PBT (polybutyleneterephthalate) resin in thermoplastic resin.Support 2 also can be formed as making resin material contain Chinese white.Support 2 has the 1st reflecting surface 2ga, can reflect at internal perisporium 2g the light of self-luminescent part 3a.1st reflecting surface 2ga also directly can utilize the surface of internal perisporium 2g.1st reflecting surface 2ga also can be formed by forming metal film on the surface of internal perisporium 2g.Support 2, by having the effect of reverberation, can effectively utilize the light of selfluminous device 3.Support 2, by having the 1st reflecting surface 2ga at internal perisporium 2g, does not need other parts additional, can control the luminous intensity distribution of the light radiated from light-emitting device 3.The scope being used for making the direct illumination of radiating from illuminating part 3a penetrate the cap assembly 9 of bottomed cylindrical, by suitably setting the shape of internal perisporium 2g or the relative position of internal perisporium 2g and light-emitting device 3, can be adjusted to the scope of regulation by support 2.Support 2 has periphery wall 2f.Periphery wall 2f is configured to give prominence to from the periphery of base portion 2m towards pedestal 1.Periphery wall 2f has leading-out portion 2c electric wire 4 being exported to outside.The Inner Constitution surrounded by internal perisporium 2g and base portion 2m and periphery wall 2f of support 2 guides the path of electric wire 4 to leading-out portion 2c.
Leading-out portion 2c can be configured to have the opening 2c1 being located at periphery wall 2f and the position 2c2 given prominence to from periphery wall 2f in the mode covering opening 2c1.Leading-out portion 2c is configured in the position corresponding with the notch part 1c of pedestal 1.Leading-out portion 2c is formed as being entrenched in the structure in the 1st grooving 9f of the flange part 9b being located at cap assembly 9.LED unit 10 by having the 1st grooving 9f, even when electric wire 4 carries out installing to the 1st surperficial 1aa lateral bend of pedestal 1, cap assembly 9 also can be suppressed to be out of shape because of electric wire 4.LED unit 10 also can reduce the optical effect formed along with the distortion of cap assembly 9.LED unit 10, by being embedded in the 1st grooving 9f by leading-out portion 2c, easily can carry out the location of cap assembly 9.LED unit 10 is exposed from the 1st grooving 9f by making leading-out portion 2c, can as the mark of position of informing electric wire 4.When electric wire 4 is bent and can not observes from face side, LED unit 10, by having mark, also can improve the workability of assembling.
The leading-out portion 2c of preferred support 2 can elastic deformation, to alleviate the stress of electric wire 4 further.Support 2 when leading-out portion 2c can elastic deformation, the shape of the fenestra portion 2a of the support 2 produced along with the bending of electric wire 4 can be suppressed to be out of shape.In addition, even when electric wire 4 is larger to the amount of bow of support 2 lateral buckling, LED unit 10 also can suppress the breakage of leading-out portion 2c.Preferred support 2 arranges installation portion 2d on imaginary line segment, and this line segment connects the center of stressed leading-out portion 2c and light-emitting device 3 when electric wire 4 is shifted in support 2 side.LED unit 10 is formed as such structure: by arranging installation portion 2d on imaginary line segment, the bending stress of electric wire 4 is not easily directly applied to light-emitting device 3, and this line segment connects the center of stressed leading-out portion 2c and light-emitting device 3 when electric wire 4 is shifted in support 2 side.LED unit 10, by arranging installation portion 2d on imaginary line segment, can reduce the stress being applied to light-emitting device 3 further, improves the reliability of LED unit 10.
Light-emitting device 3 is formed as having the structure of the illuminating part 3a possessing multiple LED chip and the installation base plate 3b being formed with illuminating part 3a.Preferred illuminating part 3a has multiple LED chip and covers the sealing 3d of LED chip.Multiple LED chip is in series electrically connected by illuminating part 3a, but also can be connected in parallel, and can also connection in series-parallel connect.Illuminating part 3a can be formed as wire along the orientation of multiple LED chip.Light-emitting device 3 is by by arranged in parallel for multiple illuminating part 3a and form.There are 6 illuminating part 3a in the light-emitting device 3 shown in Fig. 2.The LED chip of illuminating part 3a can use blue LED die.Illuminating part 3a can in the light transmission encapsulant of sealing 3d mixing phosphor.Fluorophor is such as yellow fluorophor.The yellow fluorophor sodium yellow that radiation is broad by being encouraged by the blue light radiated from blue LED die.Illuminating part 3a can form White LED, by by the blue light radiated from blue LED die and from yellow fluorophor radiation sodium yellow colour mixture and obtain white light.Light transmission encapsulant is such as silicone resin, epoxy resin or glass etc.The fluorophor of illuminating part 3a is not limited to yellow fluorophor, such as, also can use red-emitting phosphors and green-emitting phosphor.Illuminating part 3a also can form nearly UV LED chip and red-emitting phosphors, green-emitting phosphor and blue emitting phophor and combines and can send the White LED of white light.Illuminating part 3a also by by red LED chips and green LED chip and blue LED die combination, can form the White LED that can send white light.
Installation base plate 3b such as can use metallic substrates printed wiring board to be formed.Installation base plate 3b has the portion of terminal 3c be electrically connected with LED chip.Portion of terminal 3c utilizes the conductor being formed as the shape specified to form.Installation base plate 3b is not limited to metallic substrates printed wiring board, such as, also can use the formation such as ceramic substrate, glass epoxy substrate.Portion of terminal 3c can be electrically connected with electric wire 4 by the junction surface be made up of scolding tin.The portion of terminal 3c of an electric wire 4 in a pair electric wire 4,4 with the positive side (right side of the paper of Fig. 2) of light-emitting device 3 is connected by LED unit 10.The portion of terminal 3c of another electric wire 4 with the minus side (left side of the paper of Fig. 2) of light-emitting device 3 is connected by LED unit 10.The portion of terminal 3c of the portion of terminal 3c of installation base plate 3b in positive side, minus side separately near describe "+", "-" that represent polarity, to prevent the incorrect link of electric wire 4.LED unit 10 uses the wire be electrically connected with light-emitting device 3 as the electric wire 4 of powering.Preferred LED unit 10 suitably possesses the sheath 4e of guardwire.Preferred installation base plate 3b forms reflecting layer in a face side (upside of the paper of Fig. 2).Reflecting layer is the resist layer etc. of white.The resist layer of white such as covers the position beyond illuminating part 3a and portion of terminal 3c.Reflecting layer can suppress to be mounted substrate 3b from the light of illuminating part 3a radiation and absorb.When installation base plate 3b abuts with front end face 1fa across thermal grease, even if having concavo-convex on the surface of installation base plate 3b or front end face 1fa, also can effective.
Thermal grease can use the formation such as containing metallic or ceramic particle in silicone resin.Thermal grease can improve the adherence of installation base plate 3b and convex portion 1f.LED unit 10 by using thermal grease, can by the heat that produces at light-emitting device 3 effectively heat transfer to pedestal 1.LED unit 10 not only uses thermal grease, also can arrange fin between light-emitting device 3 and pedestal 1.
Fin can use electric insulating quality and the good tool elastomeric material springy of thermal conductivity.Fin is such as silicone gel sheet.Silicone gel sheet uses the silicone resin that gel, crosslink density are lower to form.Fin not only uses silicone gel sheet, also can use propylene resin material.Fin also can have cementability, and plays a role as adhesive sheet.
Distance piece 6 has the rectangular-shaped incorporating section 6g of storage installation base plate 3b around the opening portion 6b of distance piece 6.Distance piece 6 is formed as the installation base plate 3b of light-emitting device 3 being placed on the structure in the 6g of incorporating section.Even if when being applied with vibration etc. in the assembling way of LED unit 10, incorporating section 6g also can suppress to produce between light-emitting device 3 and distance piece 6 to misplace.Distance piece 6 can be formed with pedestal 1 one, also can split form.Distance piece 6 when forming with pedestal 1 split, such as, can utilize thermoplastic resin to be formed.The thermoplastic resin that distance piece 6 uses is such as PBT resin.Distance piece 6 is formed by utilizing resin material, can form complicated shape with comparalive ease.Distance piece 6 can improve the electric insulating quality of pedestal 1 and light-emitting device 3.Incorporating section 6g suitably can set shape according to the shape of the size of light-emitting device 3 and light-emitting device 3.Incorporating section 6g can according to the suitable set depth of the thickness of light-emitting device 3.Distance piece 6 has hole portion 6d that can be chimeric with the 1st protruding 1r of pedestal 1.Hole portion 6d is located at the central portion of length direction along the length direction of rectangular-shaped incorporating section 6g.
1st flank 6ha, the 2nd flank 6hb, the 3rd flank 6hc, the 4th flank 6hd of distance piece 6 give prominence to from surperficial 6aa.Distance piece 6 is placed in recess 1e in the mode the 1st flank 6ha, the 2nd flank 6hb, the 3rd flank 6hc, the 4th flank 6hd being configured in the notch part 1c side of pedestal 1.Distance piece 6 is configured to clamp one bar of electric wire 4 between the 1st flank 6ha and the 3rd flank 6hc.Distance piece 6 is configured to clamp another bar of electric wire 4 between the 2nd flank 6hb and the 4th flank 6hd.1st flank 6ha, the 2nd flank 6hb, the 3rd flank 6hc, the 4th flank 6hd as one group, are arranged another group in the position opposed across opening portion 6b by preferred interval part 6.Thus, even when LED unit 10 makes distance piece 6 rotate 180 ° relative to pedestal 1, also can place distance piece 6 in the recess 1e of pedestal 1, workability when to place distance piece 6 in the recess 1e of pedestal 1 can be improved.
LED unit 10, by keeping the electric wire 4 be electrically connected with light-emitting device 3 at distance piece 6, does not need other parts additional, can realize the tension force inhibit feature of electric wire 4.In other words, LED unit 10 there is no need for reducing effect in other parts of the tension force of electric wire 4, can realize the tension force inhibit feature of electric wire 4 at low cost.LED unit 10 can reducing effect in the tension force of electric wire 4, thus can suppress the situation that effect of stress breaks in junction surface, the portion of terminal 3c of electric wire 4 and light-emitting device 3 engages by this junction surface.
Cap assembly 9 can protect light-emitting device 3.Cap assembly 9 has the light transmission making the effective transmission of light of radiating from light-emitting device 3.Cap assembly 9 can utilize the translucent materials such as such as polycarbonate resin, allyl resin or glass to be formed.Cap assembly 9 is the overall shape in bottomed cylindrical as shown in Figure 2.Cap assembly 9 has main part 9a and flange part 9b.Main part 9a is the outer shape of bottomed cylindrical.Main part 9a is configured at pedestal 1 side opening, and covers the light-emitting device 3 configured in the inner part than the outer peripheral lines of pedestal 1.Flange part 9b is formed as extending outward from the perimembranous 9d of main part 9a.Flange part 9b is formed as the periphery that can cover pedestal 1.Main part 9a and the flange part 9b entirety of cap assembly 9 have light transmission.Main part 9a is made up of light exit portion 9h, sidewall portion 9j, connecting portion 9i.Light exit portion 9h leaves pedestal 1 and arranges, and is formed as the flat board of toroidal.Light exit portion 9h can make the light externally outgoing of self-luminescent part 3a.Light exit portion 9h, by being formed as the flat board of surface smoothing, can make the light externally outgoing effectively of self-luminescent part 3a.Sidewall portion 9j is formed as the frustum of a cone tubular that internal diameter increases from light exit portion 9h side gradually towards pedestal 1 side.Connecting portion 9i is formed as light exit portion 9h to be connected smoothly for entirety with sidewall portion 9j.Main part 9a is formed as making light exit portion 9h roughly the same with the thickness of connecting portion 9i with sidewall portion 9j.
Light exit portion 9h is not limited to the shape of the flat board of surface smoothing, also can be formed as the various lens shapes such as convex lens shape, concave lens shape, Fresnel Lenses shape.That is, cap assembly 9 also can be configured to have lens function at light exit portion 9h, to make the light of selfluminous device 3 to be assembled or diffusion.Cap assembly 9, by being made up of the Fresnel Lenses of multiple lens with concentric circles, compared with when being made up of convex lens, can make the lower thickness of light exit portion 9h.
Cap assembly 9 has teat 9k at sidewall portion 9j.Teat 9k is formed as on the thickness direction of light exit portion 9h along with the shape expanded outward towards light-emitting device 3.Teat 9k is arranged by light exit portion 9h side than the base portion 2m of support 2 as shown in Figure 1.The flange part 9b of cap assembly 9 covers pedestal 1 and fixes.LED unit 10, when cap assembly 9 entirety has light transmission, also can form distance piece 6 in the mode of observing the perspective plane of the flange part 9b covered in pedestal 1 from the light-emitting area side of light-emitting device 3.
, in LED unit, compare with the light source such as incandescent lamp and fluorescent lamp, the straightaway of the light radiated from the illuminating part 3a taking LED chip as light source strengthens, and has the tendency of easily generation brightness disproportionation in light radiate from LED unit.Below, in fig .9 the brightness disproportionation of the light that the LED unit from the comparative example compared with present embodiment is radiated is described.The parts identical with present embodiment for the LED unit of comparative example mark identical label.
The LED unit of comparative example makes the light of self-luminescent part 3a to reflect at the internal perisporium 2g of support 2, effectively utilizes the light of selfluminous device 3.Therefore, in the LED unit of comparative example, internal perisporium 2g restriction penetrates the scope in cap assembly 9 from the direct illumination that illuminating part 3a radiates.Cap assembly 9 makes the light exit portion 9h of the flat board of toroidal be connected with cylindric sidewall portion 9j by connecting portion 9i.In the LED unit of comparative example, cap assembly 9 comprises the inner surface 9ab with continuous and level and smooth curved surface and the outer surface 9aa with continuous and level and smooth curved surface.In other words, the LED unit of comparative example, except not possessing light scattering portion 9s, equally with present embodiment to be formed.The LED unit of comparative example can take out the light of self-luminescent part 3a effectively from light exit portion 9h.The LED unit of comparative example, by taking out the light of self-luminescent part 3a from sidewall portion 9j, can make the brightness of light decline gradually from light exit portion 9h towards sidewall portion 9j.
But the LED unit of comparative example is observed from section, near the border of the connecting portion coupled together at the connecting portion 9i of the curved shape of the light exit portion 9h that surface is linearly and surface, be formed with flex point.Equally, in the LED unit of comparative example, observe from section, near the border of the connecting portion coupled together by the connecting portion 9i of curved for surface shape and the linearly sidewall portion 9j in surface, be formed with flex point.In the LED unit of comparative example, the parallel direct light radiated from illuminating part 3a is refracted in flex point.The LED unit of comparative example intersects in shadow surface side due to the light after being refracted, and thus likely produces brightness disproportionation.The light of self-luminescent part 3a is carried out in fig .9 by the arrow example of single dotted broken line.
In the LED unit 10 of present embodiment, cap assembly 9 has the light scattering portion 9s of the light scattering making to radiate from illuminating part 3a at connecting portion 9i.Light scattering portion 9s be such as the surface of connecting portion 9i formed concavo-convex.As long as the uneven surface of sag and swell connecting portion 9i, the light scattering of radiating from illuminating part 3a can be made.Sag and swell can be such as the multiple projection arranged on the surface of connecting portion 9i or the multiple pits arranged on the surface of connecting portion 9i.Concavo-convex spacing and the degree of depth suitably can be formed as the size of several μm ~ tens of μm.Concavo-convex also can be shape spacing concavo-convex for continuous print or the degree of depth being set to formed objects, also can be the shape at the position making to be greater than near flex point beyond near flex point.Light scattering portion 9s such as adopts etch processes, polishing, milled processed etc., to implement fold processing to the surface of connecting portion 9i.When implementing the microfabrication such as fold processing to connecting portion 9i and forming light scattering portion 9s, about the method for microfabrication, such as, V slot machining, sphere processing, aspherical mirror machining, some processing etc. can be enumerated.Also can be after formation cap assembly 9, implement microfabrication form light scattering portion 9s.When forming cap assembly 9 by injection molded etc., also can form light scattering portion 9s with the shaping of cap assembly 9 simultaneously.
Connecting portion 9i is implemented to the light scattering portion 9s of fold processing, such as pears surface, leather (squamous) face, wood grain face, rock face, sand ground face, cloth cover decorative pattern, geometry decorative pattern, hair decorative pattern etc. can be formed as.
The LED unit 10 of present embodiment makes the light diffusing of light exit portion 9h lower than connecting portion 9i.In other words, the light exit portion 9h of LED unit 10 makes the direct light transmissive transmissivity of selfluminous device 3 higher than connecting portion 9i.LED unit 10, by making the light diffusing of light exit portion 9h lower than connecting portion 9i, can make the light of self-luminescent part 3a effectively from light exit portion 9h outgoing.LED unit 10, by having light scattering portion 9s at connecting portion 9i, can suppress the luminous efficiency of LED unit 10 entirety to decline, and the generation of the brightness disproportionation of suppression shadow surface side.
Preferred light scattering part 9s be located at the cap assembly 9 opposed with light-emitting device 3 inner surface 9ab or with at least one party of the outer surface 9aa of inner surface 9ab opposite side.
LED unit 10 such as by arranging concavo-convex light scattering portion 9s at the inner surface 9ab of cap assembly 9, when can be formed in from the mould of injection molded from mould form mould core plate from mould resistance.LED unit 10 is when when the inner surface 9ab of cap assembly 9 arranges concavo-convex light scattering portion 9s, and cap assembly 9 remains in the inside of the cavity plate opposed with core plate, and cap assembly 9 can be suppressed to be not easy the situation of taking out from mould.That is, in LED unit 10, when being formed cap assembly 9 by injection molded, by arranging light scattering portion 9s at the inner surface 9ab of cap assembly 9, cap assembly 9 can stably be formed with good production.LED unit 10, by arranging light scattering portion 9s at the outer surface 9aa of cap assembly 9, can improve clamping force when holding cap assembly 9, improves the assembling of LED unit 10 and workability when arranging.In addition, LED unit 10 is by arranging light scattering portion 9s at the inner surface 9ab of cap assembly 9 and outer surface 9aa both sides, with only have compared with the structure of light scattering portion 9s at the inner surface 9ab of cap assembly 9 or outer surface 9aa any one party, brightness disproportionation can be improved further.LED unit 10 when arrange at the inner surface 9ab of cap assembly 9 and outer surface 9aa both sides concavo-convex as light scattering portion 9s, preferably make the concavo-convex outer surface 9aa being greater than cap assembly 9 of the inner surface 9ab of cap assembly 9.Due to become when from the mould of injection molded from mould to core plate from mould resistance, thus LED unit 10 is by making the concavo-convex outer surface 9aa being greater than cap assembly 9 of the inner surface 9ab of cap assembly 9, and cap assembly 9 can be suppressed to be not easy the situation of taking out from mould.In other words, in LED unit 10, preferred light exit portion 9h is the flat board of surface smoothing, and it is concavo-convex that light scattering portion 9s is provided at least one party of the inner surface 9ab of cap assembly 9 or the outer surface 9aa of the side contrary with inner surface 9ab.LED unit 10 can utilize the fairly simple structure of the connecting portion 9i of light exit portion 9h and the tool irregular light scattering portion 9s comprising level and smooth flat board, makes light effectively shine outside, and reduces the brightness disproportionation of the light radiated further.
Also can be that light scattering portion 9s is not only formed at inner surface 9ab or the outer surface 9aa of cap assembly 9, and is formed at the inside of connecting portion 9i.Cap assembly 9, when making light scattering portion 9s be formed at the inside of connecting portion 9i, can make connecting portion 9i contain light diffusing particles.About light diffusing particles, such as, can enumerate silica, barium titanate, titanium oxide etc.As long as light diffusing particles makes the refringence of the material of generation and cap assembly 9, both can form by inorganic material, also can form with organic material.Cap assembly 9 is shaped by utilizing polychrome, can make only in connecting portion 9i or only, to contain light diffusing particles in connecting portion 9i and sidewall portion 9j in cap assembly 9.Light scattering portion 9s also can use the light diffusing particles of the type that material, shape and average grain diameter etc. are different.Cap assembly 9, by irradiating suitable laser light, can form cavity in inside.Cap assembly 9, by forming multiple cavity in inside, can utilize the material of cap assembly 9 and the light scattering of empty refractive index official post from illuminating part 3a.Also can be that cap assembly 9 is by making suitable radiation laser light, and in the inside of connecting portion 9i, the inside of connecting portion 9i and the inside both sides of sidewall portion 9j form light scattering portion 9s.
LED unit 10 has the protuberance 1b given prominence to outward from the perimembranous of pedestal 1 as shown in Figure 10.Protuberance 1b has along the through inserting hole 1b1 of the thickness direction of pedestal 1.Protuberance 1b is such as configured to be inserted into inserting hole 1b1 from the 1st surperficial 1aa side of pedestal 1 by mounting screw 10a as shown in figure 11.Protuberance 1b can be used on the appliance body 31 of the ligthing paraphernalia 30 LED unit 10 being detachably arranged on Figure 16 described later.Preferred LED unit 10 arranges the 2nd grooving 9c at the position of the flange part 9b corresponding with the protuberance 1b of pedestal 1.2nd grooving 9c can make mounting screw 10a easily insert from the outer surface 9aa side of cap assembly 9.Thus, pedestal 1 can detachably be arranged on the appliance body 31 of ligthing paraphernalia 30 from cap assembly 9 side by LED unit 10.
Preferred LED unit 10 is arranged the 1st connector 4a by the leading section that the notch part 1c from pedestal 1 derives in electric wire 4.1st connector 4a can plug the 2nd connector connecting power subsystem side freely, and the leading section of the power line be electrically connected with power subsystem is located at by the 2nd connector.LED unit 10 is provided with the 1st connector 4a that can plug the 2nd connector connecting power subsystem side freely in the leading section of electric wire 4, thus can improve workability when LED unit 10 is loaded and unloaded to appliance body 31.LED unit 10 is provided with the 1st connector 4a in the leading section of electric wire 4, and pedestal 1 detachably can be arranged on the appliance body 31 of ligthing paraphernalia 30 from cap assembly 9 side.Therefore, user can change LED unit 10 with comparalive ease.
Preferred LED unit 10 has the Decorative Cover 21 covering flange part 9b.Decorative Cover 21 is formed as the ring-type with cover opening 21a.LED unit 10 can utilize Decorative Cover 21 to prevent from observing each mounting screw 10a, 10a by cap assembly 9, can improve the design of outward appearance.
Decorative Cover 21 such as can use has the formation of flexible silicone resin.Decorative Cover 21 has elasticity, and the opening diameter that can expand cover opening 21a thus makes the teat 9k of cap assembly 9 insert, and the maintaining part 9m that the sidewall portion 9j being used in flange part 9b side is arranged keeps.Decorative Cover 21 has elasticity, can load and unload with cap assembly 9 with comparalive ease thus.Decorative Cover 21 is painted to such as black or white, not easily observes mounting screw 10a thus from outside.Decorative Cover 21 also can by such as making to be formed as milky containing diffusion material in silicone resin.Decorative Cover 21 both can have light-proofness completely, also can have light transmission.Decorative Cover 21 also can be configured to the light that can radiate from the teat 9k of cap assembly 9 at surface reflection.LED unit 10 can utilize Decorative Cover 21 to improve further from uniformity at shadow surface of the light of the sidewall portion 9j outgoing of cap assembly 9.
Below, the assembly process of above-mentioned LED unit 10 is described.
First, in the assembly process of LED unit, distance piece 6 is placed in the recess 1e of pedestal 1.The convex portion 1f of pedestal 1 is exposed by the opening portion 6b of distance piece 6.Then, in assembly process, convex portion 1f applies thermal grease.In the assembly process of LED unit 10, with by light-emitting device 3 placing in the mode of convex portion 1f, light-emitting device 3 is accommodated in the incorporating section 6g of distance piece 6.
Then, in the assembly process of LED unit 10, as shown in figure 12, between the 1st flank 6ha and the 3rd flank 6hc of distance piece 6, clamp one bar of electric wire 4, between the 2nd flank 6hb and the 4th flank 6hd of distance piece 6, clamp another bar of electric wire 4.Electric wire 4 is electrically connected by junction surfaces such as scolding tin with the portion of terminal 3c of installation base plate 3b.Then, in assembly process, as shown in figure 13, support 2 is covered on light-emitting device 3, the illuminating part 3a of light-emitting device 3 is exposed from the fenestra portion 2a of support 2.Electric wire 4 is led back to leading-out portion 2c by the path of the space 2b that make use of support 2.
Further, in the assembly process of LED unit 10, rigging screw 23d is inserted into the hole 1d of pedestal 1 from the 2nd surperficial 1ab side of pedestal 1, and is screwed togather by the hole portion 6d of distance piece 6 and be fixed on the installation portion 2d of support 2.LED unit 10 is fixing by screwing togather of rigging screw 23d, sandwiches light-emitting device 3 be fixed by pedestal 1 and support 2.LED unit 10 utilizes thermal grease to alleviate the stress being applied to light-emitting device 3 when being screwed togather by rigging screw 23d on the installation portion 2d being fixed on support 2, thus can suppress situation light-emitting device 3 being applied to unnecessary stress.Then, make the leading-out portion 2c that gives prominence to from the periphery wall 2f of support 2 and be located at the position consistency of the 1st grooving 9f of cap assembly 9, the leading-out portion 2c of cap assembly 9 and support 2 is fitted together to, thus cap assembly 9 is configured in pedestal 1 side.
Then, in assembly process, the cap assembly 9 being configured at pedestal 1 side is fixed on pedestal 1 and installs.Cap assembly 9 forms light scattering portion 9s by injection molded at connecting portion 9i in advance.Cap assembly 9 has as shown in figure 14 from the perimembranous 9d of the main part 9a 3rd protruding 9g1 outstanding to pedestal 1 side.3rd protruding 9g1 such as can be formed as cylindric.Cap assembly 9 such as arranges 4 the 3rd protruding 9g1 along the perimembranous 9d of main part 9a.At pedestal 1, be provided with the 3rd protruding 9g1 of cap assembly 9 the through hole 1p making the 3rd protruding 9g1 through accordingly.
When cap assembly 9 is installed on pedestal 1, the 3rd protruding 9g1 of cap assembly 9 is inserted in the through hole 1p of pedestal 1.Then, fixture for processing is utilized to heat from the 2nd leading section of surperficial 1ab side to the 3rd protruding 9g1 of pedestal 1 and press.Fixture for processing has the curved surface of surface indentation, makes the leading section thermal deformation of the 3rd protruding 9g1 and expands than the through hole 1p of pedestal 1.3rd protruding 9g1 finally becomes the hemispheric shape corresponding with the curved surface of fixture for processing.
Cap assembly 9, by the temperature distortion of the leading section of the 3rd protruding 9g1, is riveted on pedestal 1 by LED unit 10.Pedestal 1 the 2nd surperficial 1ab as shown in figure 15, be formed with caulking part 9g due to the thermal deformation of the leading section of the 3rd protruding 9g1.Pedestal 1 has the incorporating section 1j of storage caulking part 9g.Incorporating section 1j is set to and makes caulking part 9g not from the depth size that the 2nd surperficial 1ab of pedestal 1 is outstanding.LED unit 10 can utilize caulking part 9g cap assembly 9 and pedestal 1 to be fixed.
Also can be, in the assembly process of LED unit 10, be not only and utilize caulking part 9g that cap assembly 9 is arranged on the structure on pedestal 1, and use rigging screw etc. to be arranged on pedestal 1.In the assembly process of LED unit 10, encapsulant also can be utilized to be arranged on pedestal 1 by cap assembly 9.Pedestal 1 and cap assembly 9 are fixed by using encapsulant by LED unit 10, also can be formed as suppressing moisture and impurity etc. to enter structure in LED unit 10.LED unit 10, when using caulking part 9g to be fixed on pedestal 1 by cap assembly 9, compared with the structure using screw to be fixed, can suppress the deterioration of light distribution characteristic that causes because of the distortion of cap assembly 9 and the decline of uniformity.LED unit 10 can utilize caulking part 9g to be arranged on pedestal 1 by cap assembly 9 when not using screw, thus can eliminate the misgivings such as loosening of the screw in cap assembly 9.
About ligthing paraphernalia 30 or the ligthing paraphernalia 30s with the LED unit 10 of assembling like this, be described with reference to Figure 16 ~ Figure 19.
Ligthing paraphernalia 30 shown in Figure 16 has above-mentioned LED unit 10 and the appliance body 31 for detachably installing LED unit 10.The appliance body 31 of ligthing paraphernalia 30 is metallic articles, compared with resin, the heat produced at the light-emitting device 3 of LED unit 10 can be made effectively to be dispelled the heat by pedestal 1 and appliance body 31.The material of appliance body 31 adopts aluminium, but also can adopt the metal beyond aluminium.About the metal material beyond aluminium, appliance body 31 can use such as copper or copper alloy.The material of appliance body 31 also can be the material beyond metal.About the material beyond metal, appliance body 31 can use such as pottery etc.
Appliance body 31 is configured to can detachably install LED unit 10.Specifically, appliance body 31 forms the installation screwed hole for screwing togather mounting screw 10a at the position that the inserting hole 1b1 with pedestal 1 is corresponding respectively.
The ligthing paraphernalia 30 of structure shown in Figure 16 and Figure 17 is such as imbed the lamp affixed to the ceiling be configured in ceiling components 50a.The appliance body 31 of ligthing paraphernalia 30 has: the trunk 31a of bottomed cylindrical, for receiving configuration LED unit 10; Outward flange section 31b, it is formed as extending outward from the opening portion of trunk 31a.Ligthing paraphernalia 30 has mounting spring 31d at appliance body 31.Appliance body 31 be embedded in break-through ceiling components 50a arrange bury underground in the 50aa of hole, outward flange section 31b is arranged in ceiling components 50a in the mode abutted with the perimembranous burying hole 50aa underground in the lower surface of ceiling components 50a.Ligthing paraphernalia 30 is configured to the perimembranous burying hole 50aa underground in ceiling components 50a to be clamped between outward flange section 31b and mounting spring 31d.Appliance body 31 has storage configuration section 31e in the opposition side being configured with the surface of LED unit 10 of bottom 31c.Storage configuration section 31e can receive power subsystem.Utensil concrete 31 not necessarily needs to have storage configuration section 31e, also can leave appliance body 31 to configure power subsystem.Bottom 31c has fairlead.Ligthing paraphernalia 30 is configured to will export to outside electric wire 4 and the 1st connector 4a from leading-out portion 2c, be drawn in storage configuration section 31e by fairlead.When ligthing paraphernalia 30 is configured near wall components 50b, the wall surface 50ba of wall components 50b becomes a part for the shadow surface of the light from LED unit 10 outgoing.
The ligthing paraphernalia 30 of Figure 16 has LED unit 10 and detachably can install the appliance body 31 of LED unit 10.Ligthing paraphernalia 30 is configured to have the LED unit 10 that can be arranged on various forms of appliance body 31.
Ligthing paraphernalia 30 illustrates the direct of travel of the direct light radiated from the illuminating part 3a of LED unit 10 in fig. 17 with the arrow of single dotted broken line.In ligthing paraphernalia 30, cap assembly 90 has the light scattering portion 9s of the light scattering making to radiate from illuminating part 3a at connecting portion 9i, can reduce the brightness disproportionation at wall surface 50ba thus further.
Below, for the variation of ligthing paraphernalia 30 employing above-mentioned LED unit 10, Figure 18 and Figure 19 is used to be described.
Ligthing paraphernalia 30s shown in Figure 18 and Figure 19 has above-mentioned LED unit 10 and detachably can install the appliance body 31s being different from Figure 16 of LED unit 10.The ligthing paraphernalia 30s of variation makes appliance body 31s be formed as the outer shape of end square tube shape.The appliance body 31s of ligthing paraphernalia 30s is metal.Appliance body 31s is configured to can detachably install LED unit 10.Appliance body 31s forms the installation screwed hole for screwing togather mounting screw 10a at the position that the inserting hole 1b1 with pedestal 1 is corresponding respectively.
Appliance body 31s has the trunk 31a and lid 31f that there are end square tube shape.LED unit 10 is contained and is configured in trunk 31a.Lid 31f can cover the opening portion of trunk 31a.Lid 31f is formed with opening 31fa at central portion.Lid 31f is configured to make the light from the LED unit 10 being incorporated in appliance body 31s inside shine outside.Lid 31f has cylindric sidepiece 31g.Sidepiece 31g is configured to the perimembranous of surrounding LED unit 10.Sidepiece 31g has reflecting surface 31ga.Reflecting surface 31ga becomes a part for the shadow surface of the light from LED unit 10 outgoing.
In ligthing paraphernalia 30s, the direct of travel of the direct light using the arrow example of single dotted broken line to radiate from the illuminating part 3a of LED unit 10 in Figure 19.Cap assembly 90 has the light scattering portion 9s of the light scattering making to radiate from illuminating part 3a at connecting portion 9i, ligthing paraphernalia 30s can reduce the brightness disproportionation at the reflecting surface 31ga becoming shadow surface further thus.In the ligthing paraphernalia 30s of variation, can obtain reflecting surface 31ga attractive in appearance, suppress the brightness disproportionation of light that reflects at reflecting surface 31ga.
(embodiment 2)
The LED unit 10s of the present embodiment shown in Figure 20 changes the outer shape of the LED unit 10 shown in Fig. 1, and this point is Main Differences.Identical label is marked to the structure identical with embodiment 1 and omits the description.
In the LED unit 10s of present embodiment, as shown in figure 20, cap assembly 9 has light exit portion 9h, pair of sidewalls portion 9j, a pair connecting portion 9i of strip.Light exit portion 9h and light-emitting device 3 arranged opposite.A pair connecting portion 9i is located at the both sides of the width of light exit portion 9h along the length direction of light exit portion 9h.The outer shape of the flat board of a pair connecting portion 9i respectively in strip.The opposite configuration of pair of sidewalls portion 9j.Pair of sidewalls portion 9j is arranged along the length direction of connecting portion 9i respectively.Sidewall portion 9j is located at the light exit portion 9h opposition side of connecting portion 9i.Connecting portion 9i is configured to make light exit portion 9h be connected with sidewall portion 9j.Cap assembly 9 also can be the structure only with pair of sidewalls portion 9j.Cap assembly 9 also can be the outer shape having end square tube shape with 4 the sidewall portion 9j surrounding light exit portion 9h.The shape of observing from section can be set to the shape identical with embodiment 1 by cap assembly 9.
The LED unit 10s of present embodiment, compared with the LED unit 10 of embodiment 1, is formed as changing the shape of cap assembly 9, pedestal 1 and support 2 being set to the structure of strip.Light-emitting device 3 is formed as the structure of the strip of the length direction along pedestal 1.
The LED unit 10s of present embodiment is the same with embodiment 1, by be arranged on LED unit 10s can be installed appliance body 31 on, ligthing paraphernalia 30 can be formed.
Claims (4)
1. a LED unit, is characterized in that,
This LED unit has: the pedestal of tabular; Light-emitting device, is configured in the 1st face side of described pedestal, and having with LED chip is the illuminating part of light source; Support, is fixed on described light-emitting device on described pedestal; And the cap assembly of light transmission, be configured in the light-emitting area side of described light-emitting device, and be installed on described pedestal,
Described support has the base portion of ring-type and the internal perisporium outstanding from the inner circumferential of this base portion towards described pedestal, and the restriction of this internal perisporium penetrates the scope in described cap assembly from the direct illumination that described illuminating part radiates,
Described cap assembly has: light exit portion, arranged opposite with described light-emitting device, makes the light from described illuminating part shine outside; Sidewall portion, gives prominence to towards described pedestal; And connecting portion, formed continuously from the periphery of described smooth exit portion, described smooth exit portion be connected with described sidewall portion,
Further, described cap assembly has the light scattering portion of the light scattering making to radiate from described illuminating part at described connecting portion.
2. LED unit according to claim 1, is characterized in that,
Described light scattering portion is located at least one party of the inner surface of the described cap assembly opposed with described light-emitting device or the outer surface of the side contrary with this inner surface.
3. LED unit according to claim 1, is characterized in that,
Described smooth exit portion is the flat board of surface smoothing,
It is concavo-convex that described light scattering portion is provided at least one party of the inner surface of described cap assembly or the outer surface of the side contrary with this inner surface.
4. a ligthing paraphernalia, is characterized in that,
This ligthing paraphernalia has the described LED unit in claims 1 to 3 described in any one and installs the appliance body of this LED unit.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014128413A JP6331193B2 (en) | 2014-06-23 | 2014-06-23 | LED unit and lighting apparatus using the same |
| JP2014-128413 | 2014-06-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105202384A true CN105202384A (en) | 2015-12-30 |
| CN105202384B CN105202384B (en) | 2017-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510266106.0A Active CN105202384B (en) | 2014-06-23 | 2015-05-22 | LED unit and the ligthing paraphernalia using the LED unit |
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| Country | Link |
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| JP (1) | JP6331193B2 (en) |
| CN (1) | CN105202384B (en) |
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| CN107939244A (en) * | 2017-12-28 | 2018-04-20 | 湖北永和安门业有限公司 | A kind of anti-theft device and antitheft door |
| US10948156B2 (en) | 2016-11-22 | 2021-03-16 | Signify Holding B.V. | Cover for LED luminaires |
| CN112531089A (en) * | 2019-09-19 | 2021-03-19 | 日亚化学工业株式会社 | Light emitting device, lighting device, and method for manufacturing same |
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| JP6730670B2 (en) * | 2016-05-24 | 2020-07-29 | 東芝ライテック株式会社 | Lighting equipment |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP6331193B2 (en) | 2018-05-30 |
| JP2016009549A (en) | 2016-01-18 |
| CN105202384B (en) | 2017-12-01 |
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