WO2013132566A1 - ランプ及び照明装置 - Google Patents
ランプ及び照明装置 Download PDFInfo
- Publication number
- WO2013132566A1 WO2013132566A1 PCT/JP2012/008222 JP2012008222W WO2013132566A1 WO 2013132566 A1 WO2013132566 A1 WO 2013132566A1 JP 2012008222 W JP2012008222 W JP 2012008222W WO 2013132566 A1 WO2013132566 A1 WO 2013132566A1
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- WIPO (PCT)
- Prior art keywords
- housing
- base
- substrate
- light emitting
- light
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
- F21K9/27—Retrofit light sources for lighting devices with two fittings for each light source, e.g. for substitution of fluorescent tubes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
- F21Y2103/10—Elongate light sources, e.g. fluorescent tubes comprising a linear array of point-like light-generating elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2113/00—Combination of light sources
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Definitions
- the present invention relates to a lamp and a lighting device using a light emitting element.
- LEDs light emitting diodes
- An LED lamp using such an LED is provided with an LED module (light emitting module), and by selecting and using the shape of the LED module appropriately, a straight tubular (straight tube type LED lamp) and a bulb-shaped Things (bulb-shaped LED lamps) have been proposed.
- an LED module configured by arranging a plurality of LEDs on a substrate is used (see, for example, Patent Document 1).
- an LED lamp having light distribution characteristics in all directions for extracting light in all directions is required.
- the LED since the LED is mounted on one side of the substrate to configure the LED module, light can not be supplied to the side of the substrate on which the LED is not mounted, that is, the back side of the substrate. It is difficult to realize an LED lamp having light distribution characteristics of
- the substrate is made of a translucent material, and the light of the LED is transmitted through the substrate to supply the light to the back side of the substrate. It is also conceivable to provide the light diffusing function to the inner surface of a casing such as a straight pipe, and diffuse and reflect the light of the LED on the inner surface of the casing to supply the light to the back side of the substrate.
- a casing such as a straight pipe
- diffuse and reflect the light of the LED on the inner surface of the casing to supply the light to the back side of the substrate.
- a plurality of LED modules are held on the surface and a base bonded to the inner surface of the housing A configuration in which the base is provided on the back side of the substrate is generally used.
- a lamp in order to achieve the above object, includes an elongated housing, a substrate, and a light emitting element mounted on the surface of the substrate, and provided inside the housing A light emitting module, a base for holding the light emitting module, at least a part of which is provided inside the housing, and combined with the housing, and in a plane perpendicular to the tube axis direction of the housing
- the light emitting module has a light distribution angle greater than 180 degrees with the light emitting element as a center, and the entire portion of the base is located outside the light distribution angle.
- the light emitting module has a light distribution angle larger than 180 degrees, light can be supplied to the side on which the light emitting element of the substrate is not provided, that is, the back side. Can be realized. Further, since the base on which the light emitting module is held is provided, the integration of the housing and the light emitting module is facilitated, and the assembly of the lamp can be simplified. At this time, since the base is located outside the light distribution angle of the light emitting module, the light traveling toward the back side of the substrate is not absorbed by the base. As a result, it is possible to realize a lamp that has light distribution characteristics in all directions and is easy to assemble.
- the light distribution angle may be 280 degrees or more and 320 degrees or less.
- the light distribution angle is 280 degrees or more and 320 degrees or less, light absorption (self-absorption) by the base can be suppressed, and the light distribution characteristic can be maximized.
- the base may be provided to close an opening formed in a surface of the housing, and the surface of the base may be exposed to the outside of the housing at the opening.
- the base functions as a case different from the long case, and part of the base is in contact with the outside air, so that the heat of the light emitting element can be efficiently dissipated.
- the base it is possible to suppress the temperature rise of the light emitting element and extend its life, and to suppress the decrease of the light output of the light emitting element itself.
- the opening is provided so as to extend from one end of the casing in the tube axis direction to the other end, and the base forms the opening of the casing.
- the base may be integrated with the housing by sliding the base in the tube axis direction with both ends in the circumferential direction fitted to the base.
- the base and the housing can be integrated by slidingly inserting the base into the housing, the assembly of the lamp can be further simplified.
- the base has a flat plate whose both ends are fitted with both ends in the circumferential direction of the casing, and a surface is exposed to the outside of the casing at the opening, and the inside of the casing from the back of the flat plate And projecting at the top of which is joined to the back surface of the substrate.
- the position of the light emitting module inside the housing can be changed by adjusting the height of the protrusion from the flat plate.
- a good light distribution balance can be easily realized by, for example, aligning the central axes of the housing and the light emitting module.
- the base includes a flat plate whose surface is joined to the inner surface of the housing, and a projecting portion which protrudes from the back surface of the flat plate toward the inside of the housing and whose top is joined to the rear surface of the substrate. You may have.
- the position of the light emitting module inside the housing can be changed by adjusting the height of the protrusion from the flat plate.
- a good light distribution balance can be easily realized by, for example, aligning the central axes of the housing and the light emitting module.
- the assembly of the lamp can be further simplified.
- the substrate may transmit light of the light emitting element.
- the light of the light emitting element can be supplied to the back side of the substrate in the form of transmitted light, and the light distribution angle of the light emitting module can be expanded.
- a reflecting surface may be formed on the inner surface of the housing to reflect the light of the light emitting element toward the inside of the housing.
- the light of the light emitting element can be supplied to the back side of the substrate in the form of reflected light.
- the base may be a heat sink made of metal.
- the heat of the light emitting element can be efficiently dissipated through the heat dissipating member.
- a lighting device includes the above lamp.
- FIG. 1 is a perspective view showing an outline of a configuration of an LED lamp according to a first embodiment of the present invention.
- FIG. 2 is a perspective view of the LED lamp of the embodiment.
- FIG. 3 is a perspective view of the LED module of the embodiment.
- FIG. 4 is a cross-sectional view (a cross-sectional view along the line AA 'in FIG. 2) of the LED lamp of the embodiment.
- FIG. 5 is a perspective view for explaining the method of manufacturing the LED lamp of the embodiment.
- FIG. 6 is a perspective view showing the outline of the configuration of the LED lamp according to the second embodiment of the present invention.
- FIG. 7 is a cross-sectional view (a cross-sectional view along the line AA 'in FIG. 6) of the LED lamp of the embodiment.
- FIG. 8 is a cross-sectional view (a cross-sectional view along the line AA 'in FIG. 6) of a modification of the LED lamp of the embodiment.
- FIG. 9 is a perspective view showing a configuration of a lighting device according to a third embodiment of the present invention.
- FIG. 10 is a cross-sectional view of a modification of the casing of the LED lamp according to the embodiment of the present invention.
- each drawing is a schematic view, and is not necessarily strictly illustrated. The dimensions of each component in each drawing may differ from the actual dimensions.
- FIG. 1 is a perspective view showing an outline of a configuration of an LED lamp 100 according to a first embodiment of the present invention.
- FIG. 2 is a perspective view of the LED lamp 100 (the LED lamp 100 in a state in which the base 201 is removed).
- FIG. 3 is a perspective view of the LED module 300.
- the X, Y, and Z directions are orthogonal to one another. Also, in FIG. 3, the electrode terminals are not shown for simplification of the drawing.
- the LED lamp 100 is a long lamp for general illumination that replaces the conventional straight tube fluorescent lamp, and has openings at both ends in the tube axis direction (X direction) of the long housing 203. And an opening 205 on the surface (extending in the tube axis direction) directed from one end of the case 203 in the tube axis direction to the other end (the opening in the tube axis direction), and an opening 205 on the surface of the case 203
- a base 204 provided to close the opening and a base pin 202, and a base 201 provided so as to cover the openings at both ends in the tube axis direction of the housing 203;
- a plurality of LED modules 300 provided.
- a lighting circuit (not shown) for supplying power to the LED module 300 using one of the two caps 201 is installed inside or outside the LED lamp 100.
- the lighting circuit can be configured by, for example, a rectifier circuit formed of a diode bridge using four Zener diodes.
- the lighting circuit is installed inside the LED lamp 100, the lighting circuit is provided in one of the base 201, and the other base 201 is used only for mounting to the lighting fixture.
- the casing 203 is a long circular tubular casing such as a glass tube or a plastic tube such as an acrylic tube or a polycarbonate tube, and is used, for example, for manufacturing a fluorescent lamp defined in JIS (Japanese Industrial Standard).
- a straight pipe of the same dimensional standard as the straight pipe before sealing at both ends is used.
- the tubular shape referred to in the present embodiment may have a pseudo tube shape even if it has a slit or the like in part and is separated.
- the straight pipe for example, a pipe having a length of 1198 [mm], an outer diameter of 30 [mm] and a thickness of 0.7 [mm] is used.
- the straight pipe is made of, for example, soda lime glass, and its glass composition is 70 to 72% of silica (SiO 2 ).
- the outer surface, the inner surface, and the like of the housing 203 are diffused by applying silica, calcium carbonate, or the like as necessary.
- the base 201 is appropriately selected in accordance with the lighting apparatus to which the LED lamp 100 is attached, and for example, a G-type base or the like is used.
- the LED module 300 is a COB (Chip On Board) type light emitting module, and includes a substrate 301, and a phosphor-containing resin 302 and an LED 321 that constitute a light emitting unit.
- the LED module 300 is a line (die bonding) in which a plurality of LEDs 321 are linearly mounted (one-dimensionally) in the longitudinal direction (X direction) of the substrate 301 by a die attach agent or the like on the surface of the substrate 301 It is a module.
- the form of the LED module is not particularly limited, and in addition to the configuration (COB type) in which the LED mounted on the substrate as described above is directly sealed by resin, it is also in a resin or ceramic case. It may be an SMD (Surface Mount Device) type sealed with a light transmitting member such as a resin in a state where the LED is mounted in advance.
- SMD Surface Mount Device
- the substrate 301 is rectangular and elongated, and is, for example, a translucent alumina substrate, a ceramic substrate such as aluminum nitride, a resin substrate, a glass substrate, a metal base substrate, a flexible substrate, or the like.
- the substrate 301 has translucency to transmit visible light from the light emitting portion, that is, white light from the phosphor-containing resin 302 including the light from the LED 321.
- the substrate 301 has a size that can be disposed inside the housing 203, and has a width smaller than the inner diameter of the housing 203 (the length in the short direction (Y direction) orthogonal to the longitudinal direction of the substrate 301) and thickness And, the length in the longitudinal direction is shorter than the length in the tube axis direction of the housing 203, for example, the length in the longitudinal direction is 14 [cm] and the thickness is 1 [mm].
- L1 and L2 are defined, for example, by the relational expression 10 ⁇ L1 / L2.
- the plurality of LEDs 321 linearly arranged in a line on the surface of the substrate 301 are covered with a common single phosphor-containing resin 302.
- the plurality of LEDs 321 covered with the common phosphor-containing resin 302 are connected in series by a wiring pattern, a wire, and the like formed on the surface of the substrate 301.
- the LED 321 is a bare chip that emits monochromatic visible light, and is flip-chip mounted or wire-bonded to the substrate 301.
- a blue LED chip that emits blue light is used as the LED 321.
- a gallium nitride-based light emitting element or the like having a central wavelength of 440 nm to 470 nm formed of an InGaN based material can be used.
- the phosphor-containing resin 302 has a substantially semicircular dome shape having a convex cross section upward, and is provided to extend linearly in the arrangement direction of the LEDs 321.
- the phosphor-containing resin 302 is provided corresponding to the plurality of LEDs 321, and functions as a wavelength conversion layer for converting the wavelength of light from the corresponding LED 321 by emitting light from the corresponding LED 321 and emitting fluorescence. , Seal and protect the corresponding LED 321.
- the phosphor-containing resin 302 is preferably made of a material with high thixotropy in order to easily form a dome shape.
- the sealing member (wavelength conversion layer) for covering a LED chip is not limited to resin, For example, using transparent materials like glass for which chip sealing is known It may be formed.
- the phosphor-containing resin 302 includes a light wavelength converter made of phosphor fine particles and the like.
- the phosphor-containing resin 302 is configured by dispersing yellow phosphor fine particles as phosphor fine particles in a silicone resin in order to obtain white light.
- the yellow phosphor particles YAG (yttrium-aluminum-garnet) -based phosphor materials, silicate-based phosphor materials and the like can be used.
- the base 204 radiates the heat of the plurality of LED modules 300 to the outside of the LED lamp 100, and further, a metal plate type heat dissipating member such as a heat sink for fixing the positions of the plurality of LED modules 300 in the LED lamp 100.
- a metal plate type heat dissipating member such as a heat sink for fixing the positions of the plurality of LED modules 300 in the LED lamp 100.
- it is made of an aluminum alloy material.
- the base 204 holds the plurality of LED modules 300, is provided inside the housing 203, and is combined with the housing 203. In the following description, although the base 204 and the housing 203 are described as being joined, the combination is not limited thereto.
- the base 204 is provided to close the opening 205 formed in the surface of the housing 203, and at least a part of the surface of the base 204 is exposed to the outside of the housing 203 at the opening 205.
- the base 204 is composed of a flat plate 310 and a protrusion 311, and is a member having a substantially T-shaped cross section perpendicular to the tube axis direction.
- the base 204 has this substantially T-shaped cross section at each portion in the tube axis direction.
- the surface of the flat plate 310 is exposed to the outside of the housing 203 at the opening 205 and functions as a part of the housing of the LED lamp 100 separately from the housing 203.
- the housing 203 is provided with an opening 205 along the tube axis direction so as to extend from one end to the other end, and both ends of the flat plate 310 are the openings 205 of the housing 203. And the both end parts of the circumferential direction of the housing
- recesses 313 and 314 are provided on the end surfaces of both ends of the flat plate 310 in the direction (Y direction) orthogonal to the tube axis direction, and the recesses 313 and 314 It is fitted with both end portions in the circumferential direction forming the opening 205 of the body 203. Accordingly, the width of the recesses 313 and 314 is formed to be substantially equal to the thickness of the housing 203. With the recesses 313 and 314 and the housing 203 fitted, the end surfaces of both ends in the circumferential direction forming the opening 205 of the housing 203 are in contact with the bottom surfaces of the recesses 313 and 314.
- the protrusion 311 protrudes from the back surface of the flat plate 310 toward the inside of the housing 203, and the top is joined to the back surface of the substrate 301 of the LED module 300.
- the top surface of the projecting portion 311 is joined to the back surface of the substrate 301 by a heat conductive adhesive member or the like, and the base 204 and the flat plate 310 are integrated via the projecting portion 311.
- FIG. 4 is a cross-sectional view (a cross-sectional view along the line AA 'in FIG. 2) of the LED lamp 100 according to the present embodiment.
- the LED module 300 has a light distribution angle larger than 180 degrees (1/2 beam angle of light from the LED 321) centered on the LED 321 (center A in FIG. 4) have.
- the light distribution angle is preferably 280 degrees or more and 320 degrees or less in order to maximize the light distribution characteristic. More preferably, the light distribution angle is 300 degrees or less, optimally 300 degrees. Thereby, the loss due to self-absorption (light absorption of the base 204 itself) can be reduced to improve the light emission efficiency.
- the width of the flat plate 310 and the entire area of the base 204 that is, all the areas of the flat plate 310 and the projecting portion 311 are located outside the light distribution angle of the LED module 300.
- the height of the protrusion 311 is set. That is, the width of the flat plate 310 is set such that the entire area of the base 204, that is, all the areas of the flat plate 310 and the projection 311 is located within the light distribution angle smaller than 180 degrees of the LED module 300, preferably 60 degrees. And the height of the protrusion part 311 is set.
- the width of the flat plate 310 (the width in the Y direction) is equally divided into two by the projecting portion 311 in a plane perpendicular to the tube axis direction of the housing 203
- the width of the flat plate 310 (the width in the Y direction) is d
- the height (height in the Z direction) of the projecting portion 311 is h
- the height of the protrusion 311 is set.
- FIG. 5 is a perspective view for explaining the method of manufacturing the LED lamp 100 according to this embodiment, that is, the method of integrating the LED module 300, the housing 203, and the base 204.
- the LEDs 321 and the phosphor-containing resin 302 are formed on the surface of the substrate 301 to form a plurality of LED modules 300, and then the tops of the protrusions 311 of the base 204 are bonded to the back surfaces of the plurality of substrates 301 (see FIG. 5 (a). Thereby, the LED module 300 and the base 204 are integrated.
- the base 204 is inserted from the end in the tube axis direction of the housing 203 (FIG. 5 (b)). Then, the base 204 is slid in the direction of the tube axis in a state in which both ends in the circumferential direction of the housing 203 forming the opening 205 of the housing 203 and the base 204 are fitted (FIG. 5 (c)) . Thereby, the housing 203 and the base 204 are integrated.
- the LED lamp 100 of the present embodiment since the LED module 300 has a light distribution angle larger than 180 degrees, light is supplied to the side of the substrate 301 where the LED 321 is not provided, that is, the back side. It is possible to realize a lamp with light distribution characteristics in all directions. Further, the base 204 facilitates the integration of the housing 203 and the LED module 300, and the assembly of the LED lamp 100 can be simplified. At this time, since the base 204 is located outside the light distribution angle of the LED lamp 100, the light directed to the back side of the substrate 301 is not absorbed by the base 204. As a result, it is possible to realize the LED lamp 100 having light distribution characteristics in all directions and being easy to assemble.
- the LED lamp 100 of the present embodiment since a part of the base 204 is in contact with the outside air, the heat of the LED 321 can be efficiently dissipated. As a result, the temperature rise of the LED 321 can be suppressed and the life thereof can be extended, and the decrease of the light output of the LED 321 itself can be suppressed.
- the base 204 and the housing 203 can be integrated by slidingly inserting the base 204 into the housing 203, so the assembly of the LED lamp 100 is simplified.
- FIG. 6 is a perspective view showing an outline of the configuration of the LED lamp 110 according to the first embodiment of the present invention.
- FIG. 7 is a cross-sectional view (a cross-sectional view taken along the line AA ′ of FIG. 6) of the LED lamp 110 according to the present embodiment.
- the X, Y, and Z directions are orthogonal to one another.
- the LED lamp 110 of this embodiment differs from the LED lamp 100 of the first embodiment in that the base 404 is provided inside the housing 203 without being exposed to the outside of the housing 203.
- the LED lamp 110 includes a housing 203, a base 404 provided inside the housing 203, a base 201, and a plurality of LED modules 300.
- the base 404 dissipates the heat of the plurality of LED modules 300 to the outside of the LED lamp 100, and further, a metal plate type radiator such as a heat sink for fixing the positions of the plurality of LED modules 300 in the LED lamp 100.
- a metal plate type radiator such as a heat sink for fixing the positions of the plurality of LED modules 300 in the LED lamp 100.
- it is made of an aluminum alloy material.
- the base 404 holds the plurality of LED modules 300 and is joined to the inner surface of the housing 203 by a heat conductive adhesive member or the like.
- the base 404 is a member having a flat plate 410 whose surface is joined to the inner surface of the housing 203 and a projecting portion 411, and is a member having a substantially T-shaped cross section perpendicular to the tube axis direction.
- the base 404 has this substantially T-shaped cross section at each portion in the tube axis direction.
- the flat plate 410 is a curved surface having the same curvature as that of the inner surface of the tube so that the entire surface of the flat surface 410 is in close contact with the inner surface of the housing 203.
- the surface of the flat plate 410 has an arc shape with a curvature of half the length of the inner diameter of the housing 203, and has, for example, a maximum thickness of 1.2 [mm].
- the protrusion 411 protrudes from the back surface of the flat plate 410 toward the inside of the housing 203, and the top is joined to the back surface of the substrate 301 of the LED module 300.
- the top surface of the projecting portion 411 is joined to the back surface of the substrate 301 by a heat conductive adhesive member or the like, and the base 404 and the flat plate 310 are integrated via the projecting portion 411.
- the width of the flat plate 410 is set such that all portions of the base 404, that is, all portions of the flat plate 410 and the projecting portion 411 are located outside the light distribution angle of the LED module 300
- the width in the Y direction) and the height (height in the Z direction) of the protrusion 411 are set.
- the tops of the protrusions 411 of the base 404 are joined to the back surfaces of the plurality of substrates 301, and the base 404 and the LED modules 300 Are integrated. Then, the base 404 is inserted from the end of the casing 203 in the tube axis direction, and the entire surface of the flat plate 410 is joined to the inner surface of the casing 203, whereby the base 404 and the casing 203 are integrated.
- the LED lamp 110 of the present embodiment the LED lamp 110 having light distribution characteristics in all directions and easy to assemble can be realized for the same reason as that of the first embodiment.
- the surface of the flat plate 410 of the base 404 is in close contact with the inner surface of the housing 203.
- the present invention is not limited thereto as long as the inner surface of the housing 203 and the flat plate 410 of the base 404 can be joined.
- the flat plate 410 of the base 404 may be joined to the inner surface of the housing 203 in line contact.
- FIG. 9 is a perspective view showing a configuration of a lighting device according to a third embodiment of the present invention.
- the lighting device 600 includes the LED lamp 400 and the lighting fixture 700 according to the first embodiment or the second embodiment.
- the lighting fixture 700 includes a pair of sockets 701 electrically connected to the LED lamp 400 and holding the LED lamp 400, and a fixture body 703 to which the socket 701 is attached.
- the inner surface 703a of the instrument body 703 is a reflective surface that reflects the light emitted from the LED lamp 400 in a predetermined direction (for example, the lower side).
- the lighting fixture 700 is mounted on a ceiling or the like via a fixture.
- the plurality of LEDs 321 on the substrate 301 of the LED module 300 are collectively sealed by the common phosphor-containing resin 302.
- each of the plurality of LEDs 321 may be individually sealed by another phosphor-containing resin 302.
- the LED is exemplified as the light emitting element, but it may be a semiconductor light emitting element such as a semiconductor laser, or a solid light emitting element such as organic EL (Electro Luminescence) or inorganic EL.
- a semiconductor light emitting element such as a semiconductor laser
- a solid light emitting element such as organic EL (Electro Luminescence) or inorganic EL.
- the single-sided feed type lamp supplied with power from one of the caps 201 of the housing 203 has been described, but it may be a double-sided power supply type supplied with power from both ends of the housing 203.
- casing 203 presupposed that it is circular tubular shape, if it is a tubular shape, it will not be restricted to this.
- the substrate 301 may be a polygonal substrate other than a quadrangular (rectangular) cross-sectional shape. That is, the substrate 301 may be a triangular prism, a pentagonal prism, a hexagonal prism, or the like.
- the substrate 301 has translucency.
- the substrate 301 may not have translucency. For example, it can be realized by narrowing the width of the substrate 301 (the width in the Y direction).
- the inner surface of the housing 203 may have an optical function with respect to the light emitted from the LED module 300 in order to supply a large amount of light to the back surface side of the substrate 301.
- an optical function for example, as shown in FIG. 10, the inner surface of the housing 203 is processed into a shape capable of condensing and diffusing light (for example, a shape having unevenness), and the light of the LED 321 is formed on the inner surface of the housing 203.
- the processing of the shape shown in FIG. 10 may be applied to the entire inner surface of the housing 203 or may be applied to the outer surface of the housing 203.
- the present invention can be used for a lamp using a light emitting element such as an LED, in particular, an LED lamp as an alternative illumination of a straight tubular fluorescent lamp, an illumination apparatus including the same, and the like.
- a light emitting element such as an LED
- an LED lamp as an alternative illumination of a straight tubular fluorescent lamp, an illumination apparatus including the same, and the like.
- LED lamp 201 base 202 base connector 203 housing 204, 404 base 205 opening 300
- LED module 301 substrate 302 phosphor-containing resin 310, 410 flat plate 311, 411 protrusion 313, 314 recess 321 LED 600 lighting apparatus 700 lighting apparatus 701 socket 703 apparatus main body 703a inner surface
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- General Engineering & Computer Science (AREA)
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Abstract
Description
図1は、本発明の第1の実施形態に係るLEDランプ100の構成の概略を示す斜視図である。図2は、LEDランプ100(口金201が外された状態におけるLEDランプ100)の斜視図である。図3は、LEDモジュール300の斜視図である。なお、図1において、X、Y、Z方向の各々は、互いに直交する。また、図3には、図の簡略化のために、電極端子は示されていない。
図6は、本発明の第1の実施形態に係るLEDランプ110の構成の概略を示す斜視図である。図7は、本実施形態のLEDランプ110の断面図(図6のAA’線における断面図)である。なお、図6において、X、Y、Z方向の各々は、互いに直交する。
図9は、本発明の第3の実施形態に係る照明装置の構成を示す斜視図である。
201 口金
202 口金ピン
203 筐体
204、404 基台
205 開口部
300 LEDモジュール
301 基板
302 蛍光体含有樹脂
310、410 平板
311、411 突出部
313、314 凹部
321 LED
600 照明装置
700 照明器具
701 ソケット
703 器具本体
703a 内面
Claims (10)
- 長尺状の筐体と、
基板および前記基板の表面に実装された発光素子を有し、前記筐体の内部に設けられた発光モジュールと、
前記発光モジュールを保持し、少なくとも一部が前記筐体の内部に設けられ、前記筐体と組み合わされた基台とを備え、
前記筐体の管軸方向と垂直な面において、前記発光モジュールは前記発光素子を中心とした180度より大きい配光角を有し、前記基台の全部位は前記配光角の外側に位置する
ランプ。 - 前記配光角は、280度以上320度以下である
請求項1に記載のランプ。 - 前記基台は、前記筐体の表面に形成された開口部を塞ぐように設けられ、
前記基台の表面は、前記開口で前記筐体の外側に露出する
請求項1又は2に記載のランプ。 - 前記開口は、前記筐体の管軸方向の一方の端部から他方の端部に向かって延びるように設けられており、
前記基台は、前記筐体の開口を形成する前記筐体の周方向の両端部と前記基台とを嵌合させた状態で前記基台を前記管軸方向にスライドさせることで前記筐体と一体化される
請求項3に記載のランプ。 - 前記基台は、
両端部が前記筐体の周方向の両端部と嵌合し、表面が前記開口で前記筐体の外側に露出する平板と、
前記平板の裏面から前記筐体の内部に向けて突出し、頂部が前記基板の裏面と接合された突出部とを有する
請求項4に記載のランプ。 - 前記基台は、
表面が前記筐体の内面と接合された平板と、
前記平板の裏面から前記筐体の内部に向けて突出し、頂部が前記基板の裏面と接合された突出部とを有する
請求項1又は2に記載のランプ。 - 前記基板は、前記発光素子の光を透過させる
請求項1~6のいずれか1項に記載のランプ。 - 前記筐体の内面には、前記発光素子の光を前記筐体の内部に向けて反射する反射面が形成されている
請求項1~7のいずれか1項に記載のランプ。 - 前記基台は、金属から構成される放熱体である
請求項1~8のいずれか1項に記載のランプ。 - 請求項1~9のいずれか1項に記載のランプを備える
照明装置。
Priority Applications (2)
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CN201290001173.XU CN204240087U (zh) | 2012-03-09 | 2012-12-21 | 灯以及照明装置 |
JP2013528462A JP5540157B2 (ja) | 2012-03-09 | 2012-12-21 | ランプ及び照明装置 |
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JP2012-053647 | 2012-03-09 | ||
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PCT/JP2012/008222 WO2013132566A1 (ja) | 2012-03-09 | 2012-12-21 | ランプ及び照明装置 |
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JP (1) | JP5540157B2 (ja) |
CN (1) | CN204240087U (ja) |
WO (1) | WO2013132566A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015149202A (ja) * | 2014-02-07 | 2015-08-20 | 株式会社Maruwa | Ledモジュール組立体及びこれを使用する照明灯 |
WO2015140866A1 (ja) * | 2014-03-15 | 2015-09-24 | エヌズエンタープライズ株式会社 | Led蛍光照明装置 |
CN109244215A (zh) * | 2018-09-12 | 2019-01-18 | 苏州星烁纳米科技有限公司 | 发光装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008028182A (ja) * | 2006-07-21 | 2008-02-07 | Toshiba Lighting & Technology Corp | 照明装置 |
WO2010082655A1 (ja) * | 2009-01-19 | 2010-07-22 | ローム株式会社 | Ledランプ |
WO2011122781A2 (ko) * | 2010-04-02 | 2011-10-06 | 루미리치 주식회사 | 발광다이오드 조명등 |
-
2012
- 2012-12-21 WO PCT/JP2012/008222 patent/WO2013132566A1/ja active Application Filing
- 2012-12-21 JP JP2013528462A patent/JP5540157B2/ja not_active Expired - Fee Related
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008028182A (ja) * | 2006-07-21 | 2008-02-07 | Toshiba Lighting & Technology Corp | 照明装置 |
WO2010082655A1 (ja) * | 2009-01-19 | 2010-07-22 | ローム株式会社 | Ledランプ |
WO2011122781A2 (ko) * | 2010-04-02 | 2011-10-06 | 루미리치 주식회사 | 발광다이오드 조명등 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015149202A (ja) * | 2014-02-07 | 2015-08-20 | 株式会社Maruwa | Ledモジュール組立体及びこれを使用する照明灯 |
WO2015140866A1 (ja) * | 2014-03-15 | 2015-09-24 | エヌズエンタープライズ株式会社 | Led蛍光照明装置 |
JPWO2015140866A1 (ja) * | 2014-03-15 | 2017-04-06 | エヌズエンタープライズ株式会社 | Led蛍光照明装置 |
CN109244215A (zh) * | 2018-09-12 | 2019-01-18 | 苏州星烁纳米科技有限公司 | 发光装置 |
CN109244215B (zh) * | 2018-09-12 | 2024-01-30 | 苏州星烁纳米科技有限公司 | 发光装置 |
Also Published As
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CN204240087U (zh) | 2015-04-01 |
JPWO2013132566A1 (ja) | 2015-07-30 |
JP5540157B2 (ja) | 2014-07-02 |
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