WO2015129419A1 - Ｌｅｄランプ - Google Patents

Ｌｅｄランプ Download PDF

Info

Publication number
WO2015129419A1
WO2015129419A1 PCT/JP2015/053127 JP2015053127W WO2015129419A1 WO 2015129419 A1 WO2015129419 A1 WO 2015129419A1 JP 2015053127 W JP2015053127 W JP 2015053127W WO 2015129419 A1 WO2015129419 A1 WO 2015129419A1
Authority
WO
WIPO (PCT)
Prior art keywords
led lamp
heat sink
cooling fan
fan
air
Prior art date
Application number
PCT/JP2015/053127
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
匠史郎 杉尾
晃三 丸田
Original Assignee
岩崎電気株式会社
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
Application filed by 岩崎電気株式会社 filed Critical 岩崎電気株式会社
Publication of WO2015129419A1 publication Critical patent/WO2015129419A1/ja

Links

Images

Classifications

    • 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
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/83—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
    • 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
    • F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
    • F21K9/232—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings specially adapted for generating an essentially omnidirectional light distribution, e.g. with a glass bulb
    • 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
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
    • F21V29/506—Cooling arrangements characterised by the adaptation for cooling of specific components of globes, bowls or cover glasses
    • 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
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/60—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
    • F21V29/67—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans
    • F21V29/677—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans the fans being used for discharging
    • 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
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F21V29/77—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section
    • 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
    • F21Y2107/00—Light sources with three-dimensionally disposed light-generating elements
    • F21Y2107/30—Light sources with three-dimensionally disposed light-generating elements on the outer surface of cylindrical surfaces, e.g. rod-shaped supports having a circular or a polygonal cross section
    • 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 an LED lamp, and more particularly to a light bulb type LED lamp provided with a cooling fan.
  • LED lamps using light emitting diodes are widely used.
  • the LED lamp has an advantage of having a high luminous efficiency as compared with the discharge lamp, but has a disadvantage that the luminous efficiency is lowered when the LED is heated to a high temperature. Therefore, various measures have been taken to prevent the LED from becoming hot. For example, a cooling fan for cooling the LED is provided.
  • Patent Documents 1 to 5 describe examples of light bulb type LED lamps.
  • LED elements are mounted on a circular substrate perpendicular to the central axis of the lamp.
  • a circular heat sink is provided behind the substrate.
  • the cooling fan is provided between the heat sink and the base.
  • Patent Document 6 describes an example of an LED lamp in which an LED substrate is mounted on a prismatic support parallel to the central axis of the lamp.
  • the gas flow accelerating fan is provided on the top side opposite to the base.
  • Patent Document 7 describes an LED lighting device provided with an air control unit as means for improving the reliability of a cooling fan.
  • An object of the present invention is to provide a light bulb type LED lamp capable of high power and high output by improving the luminous efficiency of the LED and at the same time enhancing the cooling effect by the cooling fan.
  • an LED lamp includes a base, a cylindrical heat sink having a through hole extending along the central axis, a substrate disposed on a side surface of the heat sink, and an LED element mounted on the substrate. And a cooling fan disposed between the base and the heat sink, a housing that covers the cooling fan, and a light-transmitting cover that covers the substrate and the LED element, The central axis of the cooling fan and the central axis of the heat sink are aligned with the central axis of the lamp,
  • the housing includes a fan housing portion that houses the cooling fan and a connecting portion connected to the fan housing portion, and an air suction hole is formed in the fan housing portion, and the air suction hole passes through the air suction hole. Then, air from the outside is guided to the cooling fan.
  • connection portion has a top side end connected to the fan housing portion and a base side end opposite to the top side end, and the top side
  • the outer diameter of the end portion may be smaller than the outer diameter of the end portion on the base side.
  • the fan housing portion has a cylindrical portion and a bottom surface portion, the first air suction hole is provided in the cylindrical portion, and the second air suction hole is formed in the bottom surface portion. May be provided.
  • a circuit component is disposed in the fan housing portion, and the circuit component is configured to come into contact with air guided from the outside via the first air suction hole. Good.
  • the circuit component may include a fan driving circuit.
  • the cover is formed so as to cover the heat sink, has an air discharge hole at an end opposite to the base, and has an air flow path of the cooling fan and the heat sink.
  • the through hole and the air discharge hole of the cover may form an air flow path extending in a straight line along an axis parallel to the central axis of the lamp.
  • a connecting member formed of an insulating material may be provided between the base and the housing.
  • a heat insulating member formed of a material having low thermal conductivity may be provided between the cooling fan and the heat sink.
  • an LED lamp capable of high power and high output and an LED lamp using the same can be provided by improving the luminous efficiency of the LED and at the same time enhancing the cooling effect by the cooling fan.
  • FIG. 1A is a perspective view illustrating a configuration example of an LED lamp according to the present embodiment.
  • FIG. 1B is a perspective view illustrating a configuration example of the LED lamp according to the present embodiment.
  • FIG. 2 is an exploded perspective view illustrating the internal structure of the LED lamp according to the present embodiment.
  • FIG. 3 is an explanatory diagram illustrating a cooling air flow in the LED lamp according to the present embodiment.
  • the LED lamp 10 includes a base 13, a connecting member 19 connected to the base 13, a housing 20 attached to the connecting member 19, and a cylindrical translucent cover 31 attached to the housing 20.
  • the housing 20 includes a connection part 21 and a fan storage part 23.
  • the connecting portion 21 connects the connecting member 19 having a relatively small outer diameter and the fan housing portion 23 having a relatively large outer diameter.
  • a cover 31 is connected to the circumferential edge of the fan housing 23.
  • the cover 31 and the fan storage portion 23 form a substantially cylindrical internal space.
  • the LED lamp according to this embodiment is a so-called bulb type. The internal structure of the LED lamp will be described with reference to FIG.
  • air suction holes 231 and 232 are formed in the fan housing portion 23.
  • an air discharge hole 32 is formed in the top side end portion of the cover 31.
  • the internal structure of the LED lamp according to this embodiment will be described in detail with reference to FIG.
  • the heat sink 11 and the cooling fan 15 are disposed in the internal space formed by the cover 31 and the fan storage portion 23.
  • the cooling fan 15 is disposed between the base 13 and the heat sink 11.
  • a ring-shaped heat insulating member 17 is mounted between the heat sink 11 and the cooling fan 15. The heat insulating member 17 prevents the heat of the heat sink 11 from being transmitted to the motor 15 of the cooling fan.
  • the heat sink 11 is disposed inside the cover 31.
  • the heat sink 11 is cylindrical or columnar, and its central axis (symmetric axis) is aligned with the central axis of the LED lamp.
  • a substrate 30 ⁇ / b> B is mounted on each side surface of the heat sink 11.
  • the heat sink 11 also functions as a support for supporting the substrate.
  • the substrate 30B may be an elongated rectangle.
  • the substrate 30B is disposed so as to be parallel to and surround the central axis of the LED lamp.
  • a plurality of LED elements 30A are aligned and mounted on the substrate 30B.
  • the heat sink 11 has an octagonal column shape, but may have a polygonal column shape such as a quadrangular column shape.
  • the heat sink 11 is made of a metal having high thermal conductivity, such as copper or aluminum alloy.
  • a through hole 111 is formed in the heat sink 11 along the axial direction.
  • a large number of thin plate-like heat-dissipating fins are provided on the inner surface of the through hole. The fin extends over the entire length along the axial direction of the through hole.
  • the shape of the fin is not particularly limited.
  • the cooling fan 15 is disposed inside a substantially cylindrical fan housing 23.
  • the center axis (rotation axis) of the cooling fan 15 is aligned with the center axis of the LED lamp.
  • the cooling fan 15 typically has a casing, a motor, and a fan.
  • the motor may be a direct current brushless motor.
  • An annular air flow path is formed around the motor. Rotating blades are disposed in the air flow path.
  • LED lamp lead wires connected to the LED element 30A and the cooling fan 15 are provided, but the illustration is omitted here.
  • connection part 21 has the top side edge part 21a connected to the fan accommodating part 23, and the nozzle
  • the outer diameter of the top side edge part 21a Is smaller than the outer diameter of the base end 21b. That is, the outer shape of the connection portion 21 is narrowed from the base side toward the top side.
  • the fan housing part 23 has a cylindrical part 23A and a bottom part 23B, and has a substantially cylindrical shape.
  • the outer diameter of the bottom surface portion 23 ⁇ / b> B of the fan housing portion 23 is larger than the top side end portion 21 a of the connection portion 21. That is, the bottom surface portion 23 ⁇ / b> B of the fan storage portion 23 is formed in an annular shape surrounding the top side end portion 1 a of the connection portion 21.
  • a first air suction hole 231 is formed in the cylindrical portion 23 ⁇ / b> A of the fan storage portion 23, and a second air suction hole 232 is formed in the bottom surface portion 23 ⁇ / b> B of the fan storage portion 23.
  • An air discharge hole 32 is formed at the top side end of the cover 31. The internal space formed by the fan housing 23 and the cover 31 is connected to the external space by the air suction holes 231 and 232 and the air discharge hole 32.
  • the through hole 111 is formed in the heat sink 11 along the axial direction.
  • the cross section of the through hole 111 may be circular, but may be square.
  • the central axis (rotation axis) of the through hole 11 is aligned with the central axis of the LED lamp.
  • the through hole 111 has a first opening on the cooling fan 15 side and a second opening on the top side, and forms a sealed space between the two openings. As illustrated, the second opening on the top side of the through hole 111 may be closed by the cover 31.
  • the cooling fan 15 has a cylindrical motor 15A and a casing 15B, and an annular air flow path 151 is formed around the motor 15A.
  • a rotating blade is disposed in the air flow path 151.
  • a component space 23C is formed between the inner surface of the cylindrical portion 23A of the fan housing portion 23 and the outer surface of the casing 15B. Circuit parts for driving the fan, cables, and the like are arranged in the part space 23C.
  • the through hole 111 of the heat sink 11 and the annular air flow path 151 of the cooling fan 15 are arranged in alignment. Further, the second air suction hole 232 of the bottom surface part 23 ⁇ / b> B of the fan housing part 23 is connected to the annular air flow path 151 of the cooling fan 15.
  • the air discharge hole 32 of the cover 31, the through hole 111 of the heat sink 11, the annular air flow path of the cooling fan 15, and the second air suction hole 232 of the fan housing portion 23 are along the central axis of the LED lamp, And it arrange
  • the air discharge hole 32 of the cover 31, the through hole 111 of the heat sink 11, the annular air flow path 151 of the cooling fan 15, and the second air suction hole 232 of the fan housing portion 23 are in the center axis of the LED lamp.
  • An air flow path extending along a straight line is formed.
  • the first air suction hole 231 of the cylindrical portion 23 ⁇ / b> A of the fan storage portion 23 is connected to the annular air flow path 151 of the cooling fan 15 through the component space 23 ⁇ / b> C.
  • the cooling air contacts the through hole 111 of the heat sink 11, heat exchange is performed, and the cooling air takes heat away from the heat sink 11.
  • the through hole 111 of the heat sink 11 has a sealed space except for the openings at both ends, all the cooling air from the cooling fan 15 passes through the through hole 111 of the heat sink 11 and Used for cooling. Therefore, the heat sink 11 can be efficiently cooled. Thus, the LED 30 does not reach a high temperature.
  • the outer diameter of the top side end portion 21a of the connection portion 21 is formed to be relatively small, the area of the second air inflow hole 232 of the fan housing portion 23 can be increased. Therefore, it becomes easy to take in external air.
  • the outer diameter of the base-side end portion 21 b of the connection portion 21 is formed to be relatively large, the attachment strength between the connection portion 21, the connecting portion 19, and the base 13 can be increased. For this reason, it is possible to prevent the base 13 from being damaged when the lamp is attached or detached.
  • the external air is first guided into the fan storage unit 23. Therefore, the relatively low temperature air from the outside contacts not only the cooling fan 15 housed in the fan housing part 23 but also circuit components arranged there. Therefore, not only the motor 15A of the cooling fan 15 but also high temperatures of circuit components and the like can be avoided. Accordingly, it is possible to avoid a decrease in performance of the cooling fan due to deterioration of the lubricating oil of the motor of the cooling fan. It is possible to prevent deterioration and malfunction due to high temperature of circuit components and the like.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
PCT/JP2015/053127 2014-02-28 2015-02-04 Ｌｅｄランプ WO2015129419A1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2014-037948 2014-02-28
JP2014037948A JP6041158B2 (ja) 2014-02-28 2014-02-28 Ｌｅｄランプ

Publications (1)

Publication Number Publication Date
WO2015129419A1 true WO2015129419A1 (ja) 2015-09-03

Family

ID=54008745

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2015/053127 WO2015129419A1 (ja) 2014-02-28 2015-02-04 Ｌｅｄランプ

Country Status (2)

Country Link
JP (1) JP6041158B2 (enrdf_load_stackoverflow)
WO (1) WO2015129419A1 (enrdf_load_stackoverflow)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105299509A (zh) * 2015-11-09 2016-02-03 繁昌县倍思生产力促进中心有限公司 一种led灯
CN106195670A (zh) * 2016-08-31 2016-12-07 贵州明城科技有限公司 一种用于led灯的散热结构
CN108679463A (zh) * 2018-05-07 2018-10-19 浙江锐迪生光电有限公司 一种主动散热led灯
CN108758370A (zh) * 2018-05-07 2018-11-06 浙江锐迪生光电有限公司 一种基于气流吹扫技术的主动散热led灯
US20190093872A1 (en) * 2017-09-22 2019-03-28 Hamamatsu Photonics K.K. Light source device
US10827655B2 (en) 2017-06-26 2020-11-03 Milwaukee Electric Tool Corporation Battery charger
WO2021162579A1 (ru) 2020-02-11 2021-08-19 Юрий Борисович СОКОЛОВ Светодиодная лампас литым корпусом-радиатором
CN113946083A (zh) * 2021-12-20 2022-01-18 深圳市爱图仕影像器材有限公司 一种照明装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11287103B2 (en) 2019-04-22 2022-03-29 Ism Lighting, Llc. Low wattage balloon work light

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010135181A (ja) * 2008-12-04 2010-06-17 Sharp Corp 照明装置
JP2013065436A (ja) * 2011-09-16 2013-04-11 Iris Ohyama Inc Ｌｅｄランプ
JP2013524412A (ja) * 2010-03-26 2013-06-17 ソーラーコー カンパニー リミテッド Ｌｅｄ照明モジュール及びこれを用いた照明ランプ

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7144140B2 (en) * 2005-02-25 2006-12-05 Tsung-Ting Sun Heat dissipating apparatus for lighting utility
US20080055909A1 (en) * 2006-09-01 2008-03-06 Jia-Hao Li Method for Combining LED Lamp and Heat Dissipator and Combination Structure thereof
CN101373064B (zh) * 2007-08-24 2011-05-11 富准精密工业(深圳)有限公司 发光二极管灯具
DE102007040444B8 (de) * 2007-08-28 2013-10-17 Osram Gmbh LED-Lampe
JP2012164512A (ja) * 2011-02-07 2012-08-30 Jvc Kenwood Corp 光源装置
US10030863B2 (en) * 2011-04-19 2018-07-24 Cree, Inc. Heat sink structures, lighting elements and lamps incorporating same, and methods of making same
US9188322B2 (en) * 2012-03-26 2015-11-17 Asia Vital Components Co., Ltd. Heat dissipation structure for LED lighting
JP2014044935A (ja) * 2012-07-31 2014-03-13 Mitsubishi Chemicals Corp 照明装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010135181A (ja) * 2008-12-04 2010-06-17 Sharp Corp 照明装置
JP2013524412A (ja) * 2010-03-26 2013-06-17 ソーラーコー カンパニー リミテッド Ｌｅｄ照明モジュール及びこれを用いた照明ランプ
JP2013065436A (ja) * 2011-09-16 2013-04-11 Iris Ohyama Inc Ｌｅｄランプ

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105299509A (zh) * 2015-11-09 2016-02-03 繁昌县倍思生产力促进中心有限公司 一种led灯
CN106195670A (zh) * 2016-08-31 2016-12-07 贵州明城科技有限公司 一种用于led灯的散热结构
US12262516B2 (en) 2017-06-26 2025-03-25 Milwaukee Electric Tool Corporation Battery pack, charger and disconnect system
US10827655B2 (en) 2017-06-26 2020-11-03 Milwaukee Electric Tool Corporation Battery charger
US11839066B2 (en) 2017-06-26 2023-12-05 Milwaukee Electric Tool Corporation Battery charger
US11204160B2 (en) 2017-09-22 2021-12-21 Hamamatsu Photonics K.K. Light source device
US20190093872A1 (en) * 2017-09-22 2019-03-28 Hamamatsu Photonics K.K. Light source device
US10895376B2 (en) * 2017-09-22 2021-01-19 Hamamatsu Photonics K.K. Light source device
CN108758370A (zh) * 2018-05-07 2018-11-06 浙江锐迪生光电有限公司 一种基于气流吹扫技术的主动散热led灯
CN108679463A (zh) * 2018-05-07 2018-10-19 浙江锐迪生光电有限公司 一种主动散热led灯
WO2021162579A1 (ru) 2020-02-11 2021-08-19 Юрий Борисович СОКОЛОВ Светодиодная лампас литым корпусом-радиатором
US11867363B2 (en) 2020-02-11 2024-01-09 Yuriy Borisovich Sokolov LED lamp with molded housing/heatsink
CN113946083A (zh) * 2021-12-20 2022-01-18 深圳市爱图仕影像器材有限公司 一种照明装置

Also Published As

Publication number Publication date
JP2015162414A (ja) 2015-09-07
JP6041158B2 (ja) 2016-12-07

Similar Documents

Publication Publication Date Title
JP6041158B2 (ja) Ｌｅｄランプ
JP5975303B2 (ja) Ｌｅｄランプ及びそれに使用するヒートシンク
EP2837882B1 (en) Electric luminous body having heat dissipater with axial and radial air aperture
EP2397753B1 (en) Led lamp and a heat sink thereof having a wound heat pipe
US8459846B2 (en) Heat-dissipating downlight lamp holder
JP6131891B2 (ja) 照明器具およびヒートシンク
US7891842B2 (en) Heat-dissipating reflector for lighting device
WO2016103914A1 (ja) Ｌｅｄランプ
JP5794440B2 (ja) Ｌｅｄランプを用いた照明器具
JP5943242B2 (ja) Ｌｅｄランプ
JP2015153706A (ja) 照明装置
US20130049594A1 (en) Electric axial-flow fan having turbine type waterproof enclosure and application thereof
JP2016115649A (ja) Ｌｅｄランプ
WO2015122340A1 (ja) Ｌｅｄランプ及びそれを用いた照明器具
JP3181991U (ja) 発光ダイオードランプ
JP2016122578A (ja) Ｌｅｄランプ
WO2016098464A1 (ja) Ｌｅｄランプ
JP5910893B2 (ja) Ｌｅｄランプ
TWI537522B (zh) 發光裝置
JP2016066694A (ja) ヒートシンク及び照明装置
JP6019497B2 (ja) Ｌｅｄ照明装置
JP2011258537A (ja) 発光ダイオードランプ
KR20130051762A (ko) 램프

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 15754486

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 15754486

Country of ref document: EP

Kind code of ref document: A1