WO2011004572A1 - 照明装置 - Google Patents

照明装置 Download PDF

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Publication number
WO2011004572A1
WO2011004572A1 PCT/JP2010/004361 JP2010004361W WO2011004572A1 WO 2011004572 A1 WO2011004572 A1 WO 2011004572A1 JP 2010004361 W JP2010004361 W JP 2010004361W WO 2011004572 A1 WO2011004572 A1 WO 2011004572A1
Authority
WO
WIPO (PCT)
Prior art keywords
cylindrical cover
light emitting
lighting device
opening
light
Prior art date
Application number
PCT/JP2010/004361
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
戸田雅宏
鈴木則雅
松野将
河野仁志
寺坂博志
鎌田征彦
Original Assignee
東芝ライテック株式会社
株式会社 東芝
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2009160833A external-priority patent/JP2011018469A/ja
Priority claimed from JP2009181095A external-priority patent/JP2011034856A/ja
Priority claimed from JP2009219104A external-priority patent/JP5240145B2/ja
Application filed by 東芝ライテック株式会社, 株式会社 東芝 filed Critical 東芝ライテック株式会社
Priority to CN2010800291331A priority Critical patent/CN102472469A/zh
Publication of WO2011004572A1 publication Critical patent/WO2011004572A1/ja

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/08—Lighting devices intended for fixed installation with a standard
    • F21S8/081—Lighting devices intended for fixed installation with a standard of low-built type, e.g. landscape light
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/10—Outdoor lighting
    • F21W2131/103—Outdoor lighting of streets or roads
    • 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 side view of the security light of FIG. The front view of the security light of FIG.
  • the bottom view of the security light of FIG. FIG. 2 is a side sectional view of the security light of FIG. 1.
  • the perspective view which shows the principal part which concerns on fixation of the heat sink used for the crime prevention lamp which concerns on one Embodiment of the illuminating device of this invention.
  • the partially cutaway perspective view which shows the lighting device used for the crime prevention light which concerns on one Embodiment of the illuminating device of this invention.
  • the top view which shows the heat sink and the light emission board
  • the top view which shows the light emission board
  • An apparatus lighting device includes a light-transmitting cylindrical cover having a top closed and an opening on a base end side, and a light emitting substrate on which a light emitting element is disposed on one main surface side.
  • a lid provided with a wiring portion for supplying.
  • the security light 10 includes a translucent tubular cover 20 having a tubular shape with a flat side portion of a cone.
  • the cylindrical cover 20 is integrally formed of a translucent resin such as acrylic or polycarbonate, added with a white pigment or a light diffusing material, and has a milky white appearance as a whole.
  • the cylindrical cover 20 is a hollow body and has a cylindrical shape with the top portion 28 closed.
  • the outer diameter dimension in the vertical direction of the cylindrical cover 20 has a higher rate of decreasing toward the top portion 28 than the outer diameter dimension in the width direction, and the cross-sectional shape of the cylindrical cover 20 near the top portion 28 is longer in the width direction.
  • the taper is a flat and substantially elliptical shape.
  • FIG. 5 shows a sectional view of the security light 10
  • FIG. 6 shows an assembly perspective view.
  • a light emitting unit 30 and a lighting device 40 are provided inside the cylindrical cover 20.
  • a lid 60 is attached to the cylindrical cover 20.
  • the security light 10 is attached to an arm 50 bent in a “ ⁇ ” shape, and the arm 50 is attached to a utility pole or the like by means of a mounting bracket or the like.
  • the cylindrical cover 20 is composed of a light projecting portion 21 on the lower side and a shade portion 22 on the upper side in the installed state.
  • the cylindrical cover 20 has an opening 23 at a connection portion with the lid 60, and a storage chamber 24 that is a space is provided from the opening 23 to the cylindrical cover 20 side.
  • a portion surrounding the opening 23 in the cylindrical cover 20 is a tubular base portion 25.
  • the opening 23 is closed by the lid body 60.
  • An end portion in a direction in which the storage chamber 24 side is viewed from the opening portion 23 is a distal end portion 28 of the cylindrical cover 20.
  • a strip-shaped protruding band portion 26 that protrudes outward and circulates around the outer periphery of the cylindrical cover 20 is formed at a boundary portion between the light projecting portion 21 and the shade portion 22 of the cylindrical cover 20.
  • the protruding band portion 26 functions as a ridge of the light projecting unit 21, and it becomes difficult for water droplets during rainfall to flow down to the light projecting unit 21. Dirt is difficult to adhere to.
  • the projecting band portion 26 is continuously formed around the longitudinal direction of the cylindrical cover 20, so that the mechanical strength of the cylindrical cover 20 is also improved.
  • a groove portion 27 is formed inside the protruding band portion 26.
  • the groove portions 27 are provided in the width direction at least along the longitudinal direction of the cylindrical cover 20, and a pair of groove portions 27 are formed when viewed from the opening 23.
  • the pair of grooves 27 guides the insertion of the light emitting unit 30 when the light emitting unit 30 is mounted inside the cylindrical cover 20, and is below the center position of the cross section perpendicular to the longitudinal direction of the cylindrical cover 20. It is arranged at the side position. Therefore, when the light emitting unit 30 is mounted on the cylindrical cover 20, the light emitting unit 30 is positioned below the center position of the cross section perpendicular to the longitudinal direction of the cylindrical cover 20.
  • the lid body 60 has a cylindrical shape, and a cylindrical circumferential sleeve portion 61 is formed up to approximately half of the distal end side.
  • the circumferential sleeve portion 61 is screwed into a female screw 29 a of the cylindrical cover 20.
  • a male screw 62 which is the second engaging means is formed.
  • a cylindrical convex piece 65 is formed that fits in correspondence with the concave portion 39 of the heat radiating plate 31.
  • the cylindrical convex piece 65 protrudes in the longitudinal direction of the cylindrical cover 20 and has an axis that passes through the upper part of the heat radiating plate 31 provided in the cylindrical cover 20.
  • the heat radiating plate 31 is provided on the lower side (light irradiation side) in the installed state from the position of the diameter of the cylindrical convex piece 65.
  • the diameter “a” of the cylindrical convex piece 65 is formed longer than the length “b” of the innermost end 39 a of the recess 39 in the heat radiating plate 31.
  • the diameter of the cylindrical convex piece 65 is increased.
  • the outer peripheral portion at a position lower than the position moves along the taper portion 39b of the concave portion 39 toward the innermost end portion 39a and works to press the heat sink 31 downward.
  • the heat sink 31 is a step portion 27b of the groove portion 27.
  • the cylindrical convex piece 65 of the lid 60 are firmly fixed.
  • tip part 28 of the cylindrical cover 20 in the heat sink 31 is clamped between the clamping part 27a and the step part 27b of the groove part 27 as already stated (FIG. 5). Thereby, the storage chamber 24 of the cylindrical cover 20 is separated into the light projecting portion 21 side and the shade portion 22 side by the heat radiating plate 31.
  • the O-ring 19 is provided between the step part 61a formed in the front end side of the circumferential sleeve part 61 in the lid 60 and the inner wall corner part 25c that is a corner part where the base part 25 is directed toward the light projecting part 21 side. Since it is interposed (FIG. 5), the screwing can be advanced or returned even in a state where it is difficult to rotate.
  • the base portion 25 of the cylindrical cover 20 is transparent or translucent. In the state where it is difficult to rotate, the hole 67a and the square hole 67b in the circumferential sleeve portion 61 of the lid 60 and the base portion 25 of the cylindrical cover 20 are provided.
  • An appropriate coupling position between the lid body 60 and the cylindrical cover 20 can be confirmed by matching the holes 25a (or grooves 25b) formed in the.
  • a screw can be inserted from the hole 25a of the base portion 25 and screwed into the hole 67a in the circumferential sleeve portion 61 to be fixed in an appropriate coupled state (FIG. 6).
  • the holes 67a and the square holes 67b of the lid 60, the holes 25a (or grooves 25b) formed in the base portion 25 of the cylindrical cover 20 and the holes formed in the arm 50 are joined together with screws or the like and fixed. You can also
  • the step portion 27 b for placing the heat sink 31 is formed inside the cylindrical cover 20, and the diameter of the cylindrical convex piece 65 is larger than the width of the recess 39 in the heat sink 31. Since it is formed long, a cylindrical convex piece 65 having an axial center passing through the upper part of the heat radiating plate 31 provided in the cylindrical cover 20 is fitted so as to press from the upper side in the concave portion 39 of the heat radiating plate 31, and is lit.
  • the heat sink 31 on which the device 40 and the light emitting unit 30 are disposed can be firmly fixed in the cylindrical cover 20.
  • the long axis direction of the cylindrical cover 20 is inclined by about 20 ° to 50 ° with respect to the horizontal plane so that the top portion 28 side faces upward by the curved portion 55 of the arm 50. Accordingly, the opening of the cylindrical cover 20 is always directed downward by about 20 ° to 50 ° in the installed state of the cylindrical cover 20, and water droplets due to rain are unlikely to enter the opening 23, thereby improving the waterproof performance. . Furthermore, by directing the top portion 28 side of the cylindrical cover 20 upward, the efficiency of convection and heat exchange in the shade portion 22 having a relatively large surface area is improved, so that the heat dissipation characteristics can also be improved.
  • the tip of the arm 50 is disposed so as to form a slight gap with the tips of the two ridges 22a, 22a provided in the cap portion 22.
  • This tip portion functions to maintain sufficient strength even with a load when used as a scaffold for the worker on the pole.
  • the lighting device 40 includes a rectangular parallelepiped housing 40a in which electronic components 43 such as a capacitor C, a transformer T, and a coil L mounted on a printed circuit board 42 are mounted.
  • the electronic circuit which comprises etc. produces DC voltage, and supplies it to LED33.
  • the printed circuit board 42 is fixed by locking claws 44 and 45 at a predetermined distance from the top board 41c. That is, the locking claws 44 and 45 are each formed in a corner near the top plate 41a of the large side plate 41b, and the side plate 41b is formed by punching, leaving one vertical side in a quadrangle.
  • the window frames 44a and 45a are formed by punching, and the locking claws 44 and 45 extending in a square shape from the sides 44b and 45b of the windows on the different sides are bent inward by a jig to sandwich the printed circuit board 42 from above and below. Fix it.
  • a fixed connector CN1a for receiving power is provided at one end in the longitudinal direction of the printed circuit board 42, and a fixed connector CN2a for supplying power is provided at the other end of the printed circuit board 42 in the longitudinal direction. Is provided.
  • An insertion / removal connector coupled to the fixed connector CN1a is attached to the tip of the power supply line on the power supply side shown in FIG.
  • the light emitting unit 30 includes a light emitting substrate 32 and an LED 33 which is a light emitting element, as shown in FIG. As shown in FIG. 11, a plurality (eight in this case) of LEDs 33 are mounted at a predetermined interval on the main surface side where the wiring pattern 34 made of copper foil is formed. On the back side, not shown, is a single-sided substrate on which no wiring pattern is formed. In addition to the light emitting diode, a solid light emitting element that can be disposed on a light emitting substrate such as an organic EL is applied as the light emitting element.
  • the lead wires connected to the power supply lands 36, 36 of the light emitting substrate 32 pass through the through holes 36a, 36a of the lands 36, 36 to the through holes 16.
  • An insertion / removal connector for coupling to the fixed connector CN2a is attached to the tip.
  • the insertion / extraction connector is pulled out through the through hole 16 formed in the heat sink 31 to the surface of the heat sink 31 to which the lighting device 40 is attached.
  • the through hole 16 is formed at a position close to the fixed connector CN2a of the lighting device 40. For this reason, the lead wire can be shortened, and the insertion / extraction connector connected to the lead wire can be easily coupled to the fixed connector in the housing 40a.
  • the side edges of the heat radiating plate 31 are placed and attached to the pair of grooves 32, and the side edges of the heat radiating plate 31 are stretched outside the outer peripheral surface of the light projecting portion 21 of the cylindrical cover 20. Since the light projecting portion 21 side and the shade portion 22 side are substantially separated by arranging so as to project, the light from the light emitting diode 33 of the light emitting unit 30 is accommodated in the accommodation space 24A on the shade portion 22 side of the cylindrical cover 20. I don't get into it. Accordingly, since the photosensor is not affected by the light of the light emitting diode 33, malfunction of the photosensor can be prevented and light damage can be prevented.
  • FIG. 12 is an illuminance distribution diagram of the light emitting unit 30 accommodated in the cylindrical cover 20 when the lighting device 10 is attached to the mounting pole at the A position.
  • FIG. 12A is an angle of the light emitting unit 30 with respect to the horizontal plane.
  • FIG. 12B is an illuminance distribution diagram when the angle of the light emitting unit 30 is 25 ° with respect to the horizontal plane, and
  • FIG. 12C is an illuminance distribution diagram when the angle of the light emitting unit 30 is 55 ° with respect to the horizontal plane.
  • FIG. 12A is an angle of the light emitting unit 30 with respect to the horizontal plane.
  • FIG. 12B is an illuminance distribution diagram when the angle of the light emitting unit 30 is 25 ° with respect to the horizontal plane
  • FIG. 12C is an illuminance distribution diagram when the angle of the light emitting unit 30 is 55 ° with respect to the horizontal plane.
  • the height of the light emitting unit 30 from the road surface (irradiation surface) is 4.5 m
  • the road width is 5 m
  • the arrangement interval of the lighting devices (security lights) 10 is 10 m.
  • the illuminance distribution surface of the irradiation surface at 5 m is shown. Since the adjacent mounting pole is positioned at the position B, the emitted light from the adjacent lighting device 10 overlaps the irradiation surface at 1.5 m from the road surface.
  • the illuminance distribution described in FIG. 12 is measured at different angles, in order to obtain a high degree of uniformity of the irradiated surface at 1.5 m from the road surface, it is about 20 ° to 50 °, preferably 25 ° with respect to the horizontal plane. It was confirmed that the light emitting unit 30 should be installed with an inclination of ⁇ 40 °.
  • the lid body 60 is disposed below the center position of the cross section perpendicular to the longitudinal direction of the cylindrical cover 20, the light emitting diode 33 mounted on the one surface side of the light emitting substrate 32.
  • the upward light from the light source is suppressed, a light pollution countermeasure effect is obtained, and the temperature of the light emitting unit 30 can be reduced.
  • the loss of optical control can be reduced, and the optical sensor for detecting the illuminance installed on the other surface side of the light emitting substrate 32 is not affected by the light of the light emitting diode 33, thereby preventing the malfunction of the optical sensor. be able to.
  • the light emitting unit 30 is installed at an angle of about 20 ° to 50 ° with respect to the horizontal plane, the gradient of luminance and illuminance due to the crossing direction of the road can be suppressed, and a high degree of uniformity can be obtained. Since it is located on the lower side, that is, in the direction of gravity, entry of rain or the like can be suppressed.
  • the circumferential sleeve portion 61 of the lid body 60 is provided with means capable of confirming an appropriate coupling position between the lid body 60 and the cylindrical cover 20 by the rotation of the lid body 60. Therefore, the lid 60 can be rotated and fixed to the appropriate coupling position. Therefore, the radiator plate 31 in which the lighting device 40 and the light emitting unit 30 are disposed is inserted into the cylindrical cover 20, and the lid body 60 is screwed into the opening 23 of the cylindrical cover 20, whereby the radiator plate The cylindrical projecting piece 65 of the lid 60 is fitted in correspondence with the recess 39, and the heat radiating plate 31 in which the lighting device 40 and the light emitting unit 30 are disposed is simply connected to the lid 60. Can be appropriately fixed in the cylindrical cover 20.
  • the shape of the other part is not limited as long as the cylindrical cover is a hollow body in which the cylindrical lid body 60 is screwed into the opening 23. Moreover, the area
  • the cylindrical cover 20 has a cylindrical structure in which at least the light projecting portion 21 has translucency and an accommodation space is formed inside, and the accommodation space does not communicate with the outside except for the opening 23.
  • the cylindrical cover 20 has a shape with a long dimension in the direction from the opening 23 toward the tip, and is inserted from the opening 23 with one surface side of the light emitting unit facing downward. And the position where the light emission unit 30 is accommodated is below the center position of the cross section orthogonal to the longitudinal direction of the cylindrical cover 20. Thereby, the inside of the cylindrical cover 20 is divided by the light emitting unit 30, and the space on the other surface side where the heat radiating plate 31 is disposed is formed wider than the space on the one surface side where the light emitting element 33 is disposed.
  • the cylindrical cover 20 has a shape having a long dimension in the direction from the opening 23 toward the distal end side, but other shapes are optical in which the emitted light of the light emitting unit 30 is irradiated in a desired direction. There is no particular limitation as long as the characteristics can be obtained.
  • the cylindrical cover 20 is integrally formed of a light-transmitting resin such as acrylic or polycarbonate, and thus has a light-transmitting property as a whole.
  • the light emitting unit 30 is formed by a pair of grooves inside the cylindrical cover 20. Therefore, it is difficult for the other surface side of the light emitting unit 30 to be irradiated with the emitted light of the light emitting element, and desired light distribution characteristics can be obtained.
  • the entire peripheral edge of the light emitting unit 30 may not be inserted into the pair of grooves, or a part thereof may be inserted.
  • the light emitting unit 30 has at least a light emitting substrate 32 and has a structure that can be disposed in the cylindrical cover 20, and the light emitting substrate 32 itself may constitute the light emitting unit 30.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
PCT/JP2010/004361 2009-07-07 2010-07-02 照明装置 WO2011004572A1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010800291331A CN102472469A (zh) 2009-07-07 2010-07-02 照明装置

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP2009-160833 2009-07-07
JP2009160833A JP2011018469A (ja) 2009-07-07 2009-07-07 照明装置
JP2009181095A JP2011034856A (ja) 2009-08-03 2009-08-03 照明装置
JP2009-181095 2009-08-03
JP2009-219104 2009-09-24
JP2009219104A JP5240145B2 (ja) 2009-09-24 2009-09-24 照明装置

Publications (1)

Publication Number Publication Date
WO2011004572A1 true WO2011004572A1 (ja) 2011-01-13

Family

ID=43429003

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2010/004361 WO2011004572A1 (ja) 2009-07-07 2010-07-02 照明装置

Country Status (3)

Country Link
CN (1) CN102472469A (zh)
TW (1) TW201102559A (zh)
WO (1) WO2011004572A1 (zh)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102691928A (zh) * 2011-03-21 2012-09-26 东芝照明技术株式会社 照明装置
WO2013011594A1 (ja) * 2011-07-15 2013-01-24 三菱化学株式会社 半導体発光装置を搭載するための回路基板、発光モジュール、照明器具、及び照明システム
JP2017016803A (ja) * 2015-06-29 2017-01-19 パナソニックＩｐマネジメント株式会社 照明装置

Citations (7)

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Publication number Priority date Publication date Assignee Title
JPH0741846U (ja) * 1993-12-24 1995-07-21 株式会社デンコー社 光源収容ケース
JP2005327731A (ja) * 2004-05-12 2005-11-24 Osram Sylvania Inc 既存のソケットと互換性を有するソリッドステート光源および複数のｌｅｄからなるランプから熱を除去する熱除去器を作製する方法
JP2006032346A (ja) * 2004-07-16 2006-02-02 Osram Sylvania Inc ヒートシンク筐体を備えた発光ダイオードディスク光学装置
JP2008090248A (ja) * 2006-09-29 2008-04-17 Chuugoku Koukoku Tsuushinsha Inc 電柱広告照灯器
JP2008305768A (ja) * 2007-06-11 2008-12-18 Toshiba Lighting & Technology Corp 屋外用照明器具
JP2009054405A (ja) * 2007-08-27 2009-03-12 Osram-Melco Ltd 発光ダイオードランプ
JP2009054529A (ja) * 2007-08-29 2009-03-12 Kyosan Electric Mfg Co Ltd 照明装置およびホーム転落警告装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101285559A (zh) * 2008-06-04 2008-10-15 徐泓 大功率led路灯

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0741846U (ja) * 1993-12-24 1995-07-21 株式会社デンコー社 光源収容ケース
JP2005327731A (ja) * 2004-05-12 2005-11-24 Osram Sylvania Inc 既存のソケットと互換性を有するソリッドステート光源および複数のｌｅｄからなるランプから熱を除去する熱除去器を作製する方法
JP2006032346A (ja) * 2004-07-16 2006-02-02 Osram Sylvania Inc ヒートシンク筐体を備えた発光ダイオードディスク光学装置
JP2008090248A (ja) * 2006-09-29 2008-04-17 Chuugoku Koukoku Tsuushinsha Inc 電柱広告照灯器
JP2008305768A (ja) * 2007-06-11 2008-12-18 Toshiba Lighting & Technology Corp 屋外用照明器具
JP2009054405A (ja) * 2007-08-27 2009-03-12 Osram-Melco Ltd 発光ダイオードランプ
JP2009054529A (ja) * 2007-08-29 2009-03-12 Kyosan Electric Mfg Co Ltd 照明装置およびホーム転落警告装置

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102691928A (zh) * 2011-03-21 2012-09-26 东芝照明技术株式会社 照明装置
WO2012128299A1 (ja) * 2011-03-21 2012-09-27 東芝ライテック株式会社 照明装置
JP5630624B2 (ja) * 2011-03-21 2014-11-26 東芝ライテック株式会社 照明装置
WO2013011594A1 (ja) * 2011-07-15 2013-01-24 三菱化学株式会社 半導体発光装置を搭載するための回路基板、発光モジュール、照明器具、及び照明システム
CN103650185A (zh) * 2011-07-15 2014-03-19 三菱化学株式会社 用于搭载半导体发光装置的电路基板、发光模块、照明器具及照明***
EP2733755A1 (en) * 2011-07-15 2014-05-21 Mitsubishi Chemical Corporation Circuit board for having semiconductor light emitting device mounted thereon, light emitting module, illuminating apparatus, and illuminating system
EP2733755A4 (en) * 2011-07-15 2014-06-11 Mitsubishi Chem Corp PRINTED CIRCUIT BOARD FOR RECEIVING SEMICONDUCTOR LIGHT-EMITTING DEVICE, LIGHT-EMITTING MODULE, LIGHTING APPARATUS, AND ILLUMINATION SYSTEM
US9332599B2 (en) 2011-07-15 2016-05-03 Mitsubishi Chemical Corporation Circuit board for supporting semiconductor light-emitting device mounted thereon, light-emitting module, lighting apparatus, and lighting system
JP2017016803A (ja) * 2015-06-29 2017-01-19 パナソニックＩｐマネジメント株式会社 照明装置

Also Published As

Publication number Publication date
TW201102559A (en) 2011-01-16
CN102472469A (zh) 2012-05-23

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