WO2015007738A1 - Ampoule de rattrapage à del - Google Patents

Ampoule de rattrapage à del Download PDF

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Publication number
WO2015007738A1
WO2015007738A1 PCT/EP2014/065162 EP2014065162W WO2015007738A1 WO 2015007738 A1 WO2015007738 A1 WO 2015007738A1 EP 2014065162 W EP2014065162 W EP 2014065162W WO 2015007738 A1 WO2015007738 A1 WO 2015007738A1
Authority
WO
WIPO (PCT)
Prior art keywords
light
retrofit lamp
led retrofit
light sources
light bulb
Prior art date
Application number
PCT/EP2014/065162
Other languages
English (en)
Inventor
Jing BAO
YingJun CHENG
Norbert Linder
Original Assignee
Osram Gmbh
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 Osram Gmbh filed Critical Osram Gmbh
Publication of WO2015007738A1 publication Critical patent/WO2015007738A1/fr

Links

Classifications

    • 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
    • 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
    • F21K9/238—Arrangement or mounting of circuit elements integrated in the light source
    • 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
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
    • F21V23/004—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array arranged on a substrate, e.g. a printed circuit board
    • F21V23/006—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array arranged on a substrate, e.g. a printed circuit board the substrate being distinct from the light source holder
    • 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
    • F21V7/00—Reflectors for light sources
    • F21V7/0025—Combination of two or more reflectors for a single light source
    • F21V7/0033—Combination of two or more reflectors for a single light source with successive reflections from one reflector to the next or following
    • 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
    • F21V7/00—Reflectors for light sources
    • F21V7/0083—Array of reflectors for a cluster of light sources, e.g. arrangement of multiple light sources in one plane
    • 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
    • F21Y2101/00—Point-like light sources
    • 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
    • F21Y2107/20—Light sources with three-dimensionally disposed light-generating elements on convex supports or substrates, e.g. on the outer surface of spheres
    • 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]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]

Definitions

  • the present invention relates to an LED retrofit lamp.
  • An LED which is a high-efficiency, energy-saving illuminating technique with long lifetime is currently widely used, howev- er, light emitted from an LED chip has a directional illumi ⁇ nation effect in substance, thus it is usually necessary to additionally add a single lens or a plurality of LED chips arranged to form an array to achieve an illumination effect over a wide range or an entire range so as to provide an il- lumination effect in all directions.
  • a prior art solution discloses designing a transparent light bulb and a contact member, disposing in the light bulb a sup ⁇ port on which a disc is disposed, and arranging a plurality of LED chips in a circumferential direction of the disc, thereby finally achieving an effect of illuminating simulta ⁇ neously in multiple directions or illuminating approximately in all directions.
  • Another prior art solution discloses designing an LED light bulb in which a hollow support capable of serving as a heat sink is designed, wherein the support can be designed in the shape of a cuboid, thus by arranging a plurality of LED chips on respective surfaces of the cuboid, an illumination effect in multiple directions based on directions that the respec ⁇ tive surfaces face can be finally provided to achieve the fi- nal effect of illuminating in all directions.
  • a reversed reflective surface having a tapered profile can be designed, thus by arranging one or more LED chips on the bottom of the reflective sur ⁇ face, light from the LED chips can be reflected to various directions so as to finally achieve an omnidirectional illu- mination effect.
  • the above solutions utilize supports or lenses with different designs to achieve the effect of final ⁇ ly forming light reflected in all directions by using one or more LED chips, which not only complicates the structure of the illuminating device, but also additionally increases the cost of manufacture and production.
  • the present inven ⁇ tion provides a novel illuminating device designed as an LED retrofit lamp in which the use of an additional heat sink can be avoided and which has an appearance similar to that of a traditional incandescent lamp and an omnidirectional illumi ⁇ nation effect similar to or the same as that of the incandes ⁇ cent lamp. Further, such kind of LED retrofit lamp has a simple structure and can be produced and assembled more simply and conveniently.
  • An object of the present invention is achieved by an LED ret ⁇ rofit lamp which comprises a base to be connected to a power supply, a light bulb connected to the base, and driver dis ⁇ posed at least in a cavity defined by the light bulb housing, and which further comprises a plurality of light sources dis ⁇ posed on a inner surface of the light bulb and arranged in a predetermined manner.
  • the light sources are embedded in the inner surface of the light bulb housing.
  • the light sources inserted into the inner surface of the light bulb can be protected by an outer surface of the light bulb so that the light sources are prevented from being affected by the outside such as water or dust, and a purpose of effec ⁇ tively fixing the light sources can be achieved.
  • the light sources are embedded in the inner sur- face of the light bulb by a molding process.
  • the light sources can be simply fixed in the light bulb in a predetermined manner, and an effective connection be ⁇ tween the light sources and the light bulb can be achieved this design further has advantages such as having a good ap- pearance and not occupying space of the cavity defined by the light bulb.
  • the light sources are connected to the inner surface of the light bulb by a con ⁇ nector.
  • the connector By the connector, the possibility of simple fixing of the light sources can be achieved, and the plurality of light sources can be arranged or distributed on the inner surface of the light bulb in a predetermined manner, and moreover such approach allows, for example, the manufacture of the light sources and the manufacture of the light bulb to be performed independently of each other and not limited by each other, and is more suitable for matching of the light sources with the light bulb over a wider range.
  • the connector is an adhesive.
  • the light sources can be economically and firmly fixed on the inner surfaces of the light bulb housing.
  • the light sources are thermally and electrically connected to one another in or on the light bulb housing. Therefore, the space of the whole illuminating device can be effectively utilized, and moreover a route for electrical connection and heat dissipation can be effectively provided to each light source, which facilitates dissipation of heat from each light source by the light bulb housing.
  • the LED retrofit lamp further comprises a flexi ⁇ ble circuit board by which the light sources are connected to one another.
  • the light sources can be fixed to the circuit board, which achieves not only an effective mechanical connection but also an effective thermal connec ⁇ tion, and moreover the flexible circuit board can effectively support a predetermined arrangement of the light sources on the light bulb that matches, for example, a curve profile of the light bulb housing, as compared to a rigid circuit board.
  • the light sources are connected to one another using leadframe technology.
  • the plurality of light sources can be reasonably mounted and fixed on the inner surface of the light bulb housing, and the fixing structure is allowed to have good mechanical properties and further have a good electrical conductivity and thermal con ⁇ ductivity and good thermal matching properties.
  • the plurality of light sources are arranged so as to emit light through the light bulb to provide omnidirec ⁇ tional illumination.
  • the retrofit lamp can achieve the effect of finally providing omnidirectional illumination by means of the plurality of light sources with such design.
  • the light sources are disposed to emit light to ⁇ ward the cavity defined by the light bulb housing. In this way, the possibility of achieving an excellent light distri ⁇ bution to finally avoid a hot spot problem is provided to the retrofit lamp.
  • the light sources are disposed to emit light to ⁇ ward the outside of the LED retrofit lamp.
  • the LED retrofit lamp further com ⁇ prises a plurality of first light path adjusters disposed on an outer surface of the light bulb housing.
  • Such a design in combination with an arrangement in which the light sources fixed to the inner surface of the light bulb are disposed to emit light toward the outside of the light bulb housing, can provide the possibility of effectively changing a light path of light from the light sources and finally forming a desired light distribution to avoid the hot spot problem.
  • the first light path adjusters are disposed so that at least part of light from the corresponding light sources can be reflected by the first light path adjusters. Therefore, light from the light sources does not exit direct ⁇ ly and has its light path changed, which allows the possibil ⁇ ity of avoiding an excessively concentrated light distribu- tion.
  • the light sources are arranged to form a plurali ⁇ ty of stripe-shaped arrays, and the first light path adjust ⁇ ers are designed as reflecting strips corresponding to each stripes. The purpose of finally changing the light path of the light from the light sources is achieved by reflection.
  • the first light path adjusters are disposed so that light from the corresponding light sources can be par ⁇ tially reflected by the first light path adjusters and par ⁇ tially transmitted by the first light path adjusters.
  • light from the light sources encountering the first light path adjusters is not totally reflected, and an effect of ef ⁇ fectively allowing the light from the light sources to be partially transmitted and partially reflected is provided so as to change the light distribution in different manners.
  • the first light path adjusters are designed as partially reflective and partially transmissive films.
  • the LED retrofit lamp further comprises second light path adjusters disposed on the inner surface of the light bulb, and at least part of light from the light sources is emitted to the second light path adjusters after being re ⁇ flected by the first light path adjusters, and exits after being further reflected by the second light path adjusters.
  • the possibility of changing the light path of the light from the light sources many times to vary the light distribution of the exit light is achieved by the second light path ad ⁇ justers in combination with the first light path adjusters.
  • the second light path adjusters are designed as reflective films.
  • the purpose of changing the light path can be reasonably achieved.
  • the light bulb comprises an inner housing and an outer hous ⁇ ing, wherein the inner housing is designed to be transmissive and the outer housing is designed to be scattering. Light ex ⁇ iting directly through the inner housing can be readjusted by the scattering outer light bulb so as to achieve the object of finally avoiding the hot spot problem.
  • the light bulb is made of a transparent thermally conductive plastic.
  • a transparent thermally conductive plastic thus, an ex ⁇ cellent thermal conduction and heat dissipation effect can be achieved, and further a good light efficiency can be ensured.
  • the driver comprises a drive circuit board and an electronic device disposed on the drive circuit board, wherein the drive circuit board is set upright in the cavity. Therefore, addi ⁇ tional space can be saved, and the effective use of limited space of the retrofit lamp is ensured.
  • the LED retrofit lamp is an A-type retrofit lamp.
  • Such a ret ⁇ rofit lamp can have a good illumination effect in all direc ⁇ tions and have an appearance of an A-type lamp.
  • Fig. 1 is a sectional view of an LED retrofit lamp according to a first embodiment of the present invention
  • Fig. 2 is a perspective view of the LED retrofit lamp accord- ing to the first embodiment of the present invention
  • Fig. 3 is a sectional view of an LED retrofit lamp according to a second embodiment of the present invention.
  • Fig. 4 is a schematic view showing a light path of a light bulb of an LED retrofit lamp according to a third embodiment of the present invention.
  • Fig. 5 is a sectional view of an LED retrofit lamp according to a fourth embodiment of the present invention.
  • Fig. 1 is a schematic view of an LED retrofit lamp 100 ac- cording to a first embodiment of the present invention
  • the LED retrofit lamp 100 shown in Fig. 1 comprises substantially three parts, i.e., a base 1 used for providing elec ⁇ trical connection to the lamp 100 and designed to have a male screw, a light bulb 2 connected to the base 1, and driver 3 disposed in the light bulb 2.
  • a base 1 used for providing elec ⁇ trical connection to the lamp 100 and designed to have a male screw
  • a light bulb 2 connected to the base 1
  • driver 3 disposed in the light bulb 2.
  • LED ret ⁇ rofit lamp 100 can spatially have a compact structure and oc ⁇ cupy less space.
  • Fig. 1 is a schematic view of an LED retrofit lamp 100 ac- cording to a first embodiment of the present invention
  • the LED retrofit lamp 100 shown in Fig. 1 comprises substantially three parts, i.e., a base 1 used
  • a plurality of light sources 4 are disposed on an inner surface of the light bulb 2, and these light sources 4 can be de ⁇ signed as, for example, LED light sources and are arranged or distributed in a predetermined manner so that an omnidirec ⁇ tional illumination effect of the LED retrofit lamp 100 can be finally achieved with light emitted from the respective light sources.
  • Fig. 2 is a perspective view of the LED retrofit lamp according to the first embodiment of the present invention.
  • the light bulb 2 of the LED retrofit lamp 100 according to the first embodiment can be designed as , for example, a flexible circuit board, a final appearance of an A-type lamp can be easily formed by such design, and further when the light sources 4 of a plurality of LED chips are disposed and fixed on the inner surface of the light bulb 2 in an insertion manner by, for example, a molding process, each of the LED chips can have a good electrical connection effect, a good heat dissipation effect can be achieved by the flexible circuit board to accomplish the purpose of thermal connection and electrical connection, and light from the LED chips can effectively exit through the flexible circuit board to form final exit light.
  • the light bulb 2 can be, for example, designed to be made of a transparent optical plastic, thus the LED retrofit lamp 100 can have not only an excellent light transmission effect but also an excellent heat conduction and heat dissipation effect.
  • the plurality of LED chips can be also simply at ⁇ tached to the inner surface of the light bulb 2 by, for exam ⁇ ple, an adhesive to perform the final effect of connecting the light sources 4 with the light bulb 2, and meanwhile a good heat dissipation property of the LED retrofit lamp 100 can be ensured.
  • the light sources 4 of the LED retro- fit lamp 100 are designed to emit light toward the inside of the light bulb 2, thus light from the respective light sources 4 can achieve a suit ⁇ able light mixing effect inside the light bulb 2 and finally exit through an outer surface of the light bulb 2, and there ⁇ by the problem that each of the light sources can be clearly observed (i.e., a hot spot effect) when each of the LED chips of the light sources 4 emits light directly toward the light bulb 2 is avoided by the exit light with the light mixing ef- feet, whereby the whole illumination effect of the LED retro ⁇ fit lamp 100 can be improved so that a light distribution of the exit light is more acceptable to a person's eyes.
  • Fig. 3 is a schematic view of an LED retrofit lamp 100 ac ⁇ cording to a second embodiment of the present invention.
  • the LED retrofit lamp in the second embodiment has a similar structure to that in the first embodiment and is different from that in the first embodiment in that the LED chip of each light source 4 disposed on the inner surface of the light bulb 2 is designed to emit light toward the outside of the light bulb 2, and a good omnidirectional illumination ef ⁇ fect can be achieved by reflective films disposed on an outer surface of the light bulb 2.
  • a plurality of reflective films as first light path adjusters 51 are dis ⁇ posed on the outer surface of the light bulb 2, and each of the reflective films is allowed to be corresponding to and located right above a respective light source 4, that is, a center of each of the reflective films is, for example, aligned with or deviated from an optical axis of the respec ⁇ tive light source 4 according to a light attribute of the light source 4, a size of the reflective film and a light distribution of exit light to be finally formed.
  • Fig. 4 is a schematic view showing a light path of a light bulb of an LED retrofit lamp according to a third embodiment of the present invention.
  • the LED retrofit lamp 100 according to the third embodiment of the present invention can be provided on the outer surface of the light bulb 2 with partially reflective and partially transmissive films as first light path adjusters 51 and fur- ther provided on the inner surface of the light bulb 2 with reflective films as second light path adjusters 52 which can be disposed between every two LED chips, instead of being provided with reflective films only on the outer surface of the light bulb 2.
  • the LED retrofit lamp 100 has a structure similar to those in the first to third embodiments, but solves the hot spot problem by providing a solution which is completely different from those in the first to third embodiments and in which the light bulb is disposed into two parts, i.e., an inner housing 21 and an outer housing 22.
  • LED chips of a plurality of light sources 4 are disposed on an inner surface of the inner hous ⁇ ing 21 and disposed to emit light toward the outside of the inner housing 21.
  • the inner housing 21 is designed to be transparent, the outer housing 22 is de ⁇ signed as a scattering light bulb housing, and light from the light sources 4 is subjected to scattering action by the out ⁇ er housing 22 after passing directly through the inner housing 21, thus an illumination effect can be provided in all directions, and moreover a relatively divergent light distri ⁇ bution different from a relatively concentrated light distri- bution obtained when the light from the light sources 4 pass ⁇ es directly through the outer surface of the inner housing 21 can be formed outside the outer housing 22 by the scattering action of the outer housing 22, and thereby a hot spot prob ⁇ lem that may be caused when a plurality of light sources 4 are disposed is avoided.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

La présente invention concerne une ampoule (100) de rattrapage à DEL qui comprend un culot (1) à brancher à une alimentation, une enveloppe (2) d'ampoule raccordée au culot (1) et un pilote (3) disposé au moins dans une cavité délimitée par l'enveloppe (2) d'ampoule et qui comprend en outre une pluralité de sources lumineuses (4) disposées sur une surface intérieure de l'enveloppe (2) d'ampoule, soit noyées dans cette surface intérieure de l'enveloppe d'ampoule, soit fixées sur elle.
PCT/EP2014/065162 2013-07-19 2014-07-15 Ampoule de rattrapage à del WO2015007738A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201310306541.2A CN104295949A (zh) 2013-07-19 2013-07-19 Led改型灯
CN201310306541.2 2013-07-19

Publications (1)

Publication Number Publication Date
WO2015007738A1 true WO2015007738A1 (fr) 2015-01-22

Family

ID=51177086

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2014/065162 WO2015007738A1 (fr) 2013-07-19 2014-07-15 Ampoule de rattrapage à del

Country Status (2)

Country Link
CN (1) CN104295949A (fr)
WO (1) WO2015007738A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016128509A1 (fr) * 2015-02-12 2016-08-18 Philips Lighting Holding B.V. Module d'éclairage et dispositif d'éclairage le comprenant

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9964296B2 (en) * 2015-02-12 2018-05-08 Philips Lighting Holding B.V. Lighting device with a thermally conductive fluid
CN108006497A (zh) * 2017-12-01 2018-05-08 中山市江奇照明科技有限公司 一种具有集光装置的led光源模组
CN111503537B (zh) * 2019-01-29 2022-05-24 松下知识产权经营株式会社 照明装置

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2446372Y (zh) * 2000-09-01 2001-09-05 胥鹏 一种长寿安全灯
DE10105622A1 (de) * 2001-02-08 2002-08-14 Insta Elektro Gmbh Beleuchtungseinrichtung
US20030090910A1 (en) * 2001-11-11 2003-05-15 Hsing Chen Light emitting diode lamp
US20050207152A1 (en) * 2004-03-18 2005-09-22 Lighting Sciences, Inc. Lighting element using electronically activated light emitting elements and method of making same
US20090161359A1 (en) * 2007-12-21 2009-06-25 Altair Engineering, Inc. Light distribution using a light emitting diode assembly
CN101555996A (zh) * 2009-05-20 2009-10-14 蔡干强 一种防水性好的led节能灯泡
CN201568915U (zh) * 2009-12-14 2010-09-01 东莞市美能电子有限公司 一种发光装置及其照明设备
US20100290223A1 (en) * 2009-05-13 2010-11-18 Foxsemicon Integrated Technology, Inc. Light source holder and bulb using same
DE102009040329A1 (de) * 2009-09-07 2011-03-10 Emde Projects Gmbh Leuchtmittel auf Basis nanoskaliger Strukturen
US20110101842A1 (en) * 2009-11-02 2011-05-05 Anthony Valenzano Distributed Element Light-Emitting-Diode (LED) Light Fixture
WO2012128013A1 (fr) * 2011-03-22 2012-09-27 株式会社 東芝 Dispositif d'éclairage
CN102748601A (zh) * 2011-04-19 2012-10-24 薛伯钱 Led节能灯灯泡
US20130070457A1 (en) * 2011-09-20 2013-03-21 Kabushiki Kaisha Toshiba Illuminating device

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2446372Y (zh) * 2000-09-01 2001-09-05 胥鹏 一种长寿安全灯
DE10105622A1 (de) * 2001-02-08 2002-08-14 Insta Elektro Gmbh Beleuchtungseinrichtung
US20030090910A1 (en) * 2001-11-11 2003-05-15 Hsing Chen Light emitting diode lamp
US20050207152A1 (en) * 2004-03-18 2005-09-22 Lighting Sciences, Inc. Lighting element using electronically activated light emitting elements and method of making same
US20090161359A1 (en) * 2007-12-21 2009-06-25 Altair Engineering, Inc. Light distribution using a light emitting diode assembly
US20100290223A1 (en) * 2009-05-13 2010-11-18 Foxsemicon Integrated Technology, Inc. Light source holder and bulb using same
CN101555996A (zh) * 2009-05-20 2009-10-14 蔡干强 一种防水性好的led节能灯泡
DE102009040329A1 (de) * 2009-09-07 2011-03-10 Emde Projects Gmbh Leuchtmittel auf Basis nanoskaliger Strukturen
US20110101842A1 (en) * 2009-11-02 2011-05-05 Anthony Valenzano Distributed Element Light-Emitting-Diode (LED) Light Fixture
CN201568915U (zh) * 2009-12-14 2010-09-01 东莞市美能电子有限公司 一种发光装置及其照明设备
WO2012128013A1 (fr) * 2011-03-22 2012-09-27 株式会社 東芝 Dispositif d'éclairage
CN102748601A (zh) * 2011-04-19 2012-10-24 薛伯钱 Led节能灯灯泡
US20130070457A1 (en) * 2011-09-20 2013-03-21 Kabushiki Kaisha Toshiba Illuminating device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016128509A1 (fr) * 2015-02-12 2016-08-18 Philips Lighting Holding B.V. Module d'éclairage et dispositif d'éclairage le comprenant
US10267461B2 (en) 2015-02-12 2019-04-23 Signify Holding B.V. Lighting module and lighting device comprising the lighting module

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