WO2013107733A1 - Heat dissipating device and light-emitting assembly having the heat dissipating device - Google Patents

Heat dissipating device and light-emitting assembly having the heat dissipating device Download PDF

Info

Publication number
WO2013107733A1
WO2013107733A1 PCT/EP2013/050655 EP2013050655W WO2013107733A1 WO 2013107733 A1 WO2013107733 A1 WO 2013107733A1 EP 2013050655 W EP2013050655 W EP 2013050655W WO 2013107733 A1 WO2013107733 A1 WO 2013107733A1
Authority
WO
WIPO (PCT)
Prior art keywords
light
heat dissipating
dissipating device
emitting assembly
lens
Prior art date
Application number
PCT/EP2013/050655
Other languages
French (fr)
Inventor
MingTao WANG
Libo Wu
Luca Bordin
Hongwei Zhang
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 WO2013107733A1 publication Critical patent/WO2013107733A1/en

Links

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
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/14—Bayonet-type fastening
    • 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
    • F21K9/233—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 a spot light distribution, e.g. for substitution of reflector lamps

Definitions

  • the present invention relates to a heat dissipating device.
  • the present invention further relates to a light-emitting assembly having the heat dissipating device.
  • LED illumination has irreplaceable advan ⁇ tages, such as energy saving, low power consumption, and electrical-to-optical conversion efficiency near to 100%. It can save no less than 80% energy compared with the tradi- tional light source with the same illuminating efficiency and has a longer service lifetime.
  • the LED is used more and more as a light source, such as a lot of LED retrofit lamps available in the market.
  • Such LED retrofit lamps have the same appearance and profile as the traditional light source such as incandescent lamp or lamp tube, thus they can be more applicable as a light source to the existing illuminating systems.
  • the illuminating device with an MR/Par lamp usually has some special accessories such as color lens, diffuser or stria lens or honeycomb lens.
  • the LED retrofit lamp is used to replace, for instance, an MR/Par halogen lamp, the following problems often appear: 1) if the LED retrofit lamp has a longer length than that of the standard lamp, it cannot be used to replace the MR/Par halogen lamp; and 2) if the LED retrofit lamp has a shorter length than that of the standard lamp, it can be used to replace the MR/Par halogen lamp, but the temperature of the lamp will rise too much, and the light output also will be decreased.
  • the LED retrofit lamp having the standard size also can be used to directly replace the MR/Par halogen lamp with accessories in the illuminating device, but the tempera ⁇ ture of the LED also will rise too much, and this will reduce the service lifetime and the light output of the lamp, be- cause the accessories of the illuminating device block the air flow around the heat dissipating device of the LED retro ⁇ fit lamp, and the heat dissipating efficiency of the heat dissipating device is affected.
  • the present invention provides a heat dissipating device for a light- emitting assembly.
  • the heat dissipating device is integrated with a mechanism for fixing a further optical accessory, so that it can be well applied to a light-emitting assembly hav- ing the heat dissipating device to doubtlessly replace a light source of a light-emitting assembly, without adversely affecting the heat dissipating effect.
  • the heat dissipating device of the present invention also allows re ⁇ placing the light source of the light-emitting assembly in the precondition of not changing the structure of the light- emitting assembly.
  • the present invention further provides a light-emitting assembly having the heat dissipat ⁇ ing device.
  • the first object of the present invention is accomplished via a heat dissipating device of a light-emitting assembly.
  • the heat dissipating device comprises a housing with a light emergent opening, wherein an LED light source of the light- emitting assembly and a lens or reflector arranged downstream of the LED light source in a light emitting direction are ar- ranged in the housing, wherein the heat dissipating device further comprises an optical accessory holding mechanism removably fixed on a housing wall that defines the light emer ⁇ gent opening and configured to fix a further optical acces ⁇ sory downstream of the lens or reflector in the light emit- ting direction.
  • the further optical accessory for providing an additional optical effect can be integrated with the heat dissipating de ⁇ vice by means of the optical accessory holding mechanism of the heat dissipating device, thus the optical accessories for this purpose provided by a light-emitting assembly in which the heat dissipating device is used are canceled, therefore, influences of the optical accessories, that should be pro ⁇ vided in the light-emitting assembly, on the heat dissipating device, and further on the place where the light-emitting as- sembly that uses the heat dissipating device is installed are eliminated; meanwhile, blocking of the optical accessories to the heat dissipating device is also removed, so that the op ⁇ tical accessories are prevented from blocking the air flow around the heat dissipating device, which prominently im- proves the heat dissipating performance of the heat dissipat ⁇ ing device.
  • the optical accessory holding mechanism comprises a holding ring configured to fix the further optical acces ⁇ sory on the light emergent opening of the heat dissipating device.
  • a recess is formed on an outer circumfer ⁇ ence of the holding ring, and a projection in locking coop-rank
  • the projection can slide into the recess just by rotating the holding ring, so that the holding ring and then the further optical accessory retained by the holding ring are fixed on the heat dissipating device.
  • threads are formed on the outer circumference of the holding ring to be screwed into corresponding threads formed on the housing wall that defines the light emergent opening. This also can realize a reliable fixed connection between the holding ring, and then the further optical accessory retained by the holding ring, and the heat dissipating device .
  • the optical accessory holding mechanism further comprises a hood formed on the holding ring.
  • the hood has a chamfered cylindrical, cy ⁇ lindrical or trumpet profile.
  • the hood comprises a plurality of shield plates distributed on a circumference of the holding ring.
  • the hood also can have a pro ⁇ file of other types.
  • the other object of the present invention is accomplished via a light-emitting assembly.
  • the light-emitting assembly comprising the heat dissipating device as described above, and the light-emitting assembly of the present invention prefera ⁇ bly is configured to be an LED retrofit lamp.
  • Such LED retro- fit lamp can doubtlessly replace a light source of a light- emitting assembly without any adverse influence on the heat dissipating effect.
  • the LED retrofit lamp further comprises an LED light source, a lens or reflector arranged downstream of the LED light source in a light emitting direction, a driver and a further optical accessory, wherein the housing of the heat dissipating device is divided into a first cavity for accom ⁇ modating the LED light source and the lens or reflector and a second cavity for accommodating the driver, and wherein the further optical accessory is fixed at the light emergent opening by means of the optical accessory holding mechanism.
  • the further optical accessory for providing an additional optical effect can be integrated with the heat dissipating device by means of the optical accessory holding mechanism of the heat dissipating device, thus the optical accessories for this purpose provided by a light-emitting as ⁇ sembly in which the heat dissipating device is used are can ⁇ celed, therefore, influences of the optical accessories, that should be provided in the light-emitting assembly, on the heat dissipating device, and further on the place where the light-emitting assembly that uses the heat dissipating device is installed are eliminated; meanwhile, blocking of the opti ⁇ cal accessories to the heat dissipating device is also re ⁇ moved, so that the optical accessories are prevented from blocking the air flow around the heat dissipating device, which prominently improves the heat dissipating performance of the heat dissipating device.
  • the further optical accessory is one of a color lens, a diffuser or a stria lens and a honeycomb lens.
  • Fig. 1 is a schematic diagram of a light-emitting assembly having a heat dissipating device of the present invention
  • Fig. 2 is a local schematic diagram of an optical accessory holding mechanism of the heat dissipating device of the present invention
  • Fig. 3 is a local schematic diagram of a light emergent open ⁇ ing of the heat dissipating device of the present invention.
  • Fig. 4a-Fig. 4c are schematic diagrams of different variants of the optical accessory holding mechanism of the heat dissi ⁇ pating device of the present invention.
  • Fig. 1 is a schematic diagram of a light-emitting assembly 100 having a heat dissipating device of the present inven ⁇ tion.
  • the light-emitting assembly 100 of the present inven ⁇ tion further comprises an LED light source 2, a lens or re ⁇ flector 3 arranged downstream of the LED light source 2 in a light emitting direction, a driver 9 and a further optical accessory 4, wherein a housing 1 of the heat dissipating device is divided into a first cavity lb for accommodating the LED light source 2 and the lens or reflector 3 and a second cavity lc for accommodating the driver 9, and wherein the further optical accessory 4 is fixed at the light emergent opening la by means of the optical accessory holding mecha ⁇ nism.
  • the housing 1 of the heat dissipating device defines the light emergent opening la
  • the optical accessory holding mechanism is removably fixed on the housing wall that the defines the light emergent opening la, so that the further optical accessory 4 is fixed downstream of the lens or reflector 3 in the light emitting direction.
  • the optical accessory holding mechanism comprises a holding ring 5.
  • the further optical acces ⁇ sory 4 is one of a color lens, a diffuser or a stria lens and a honeycomb lens.
  • Fig. 2 is a local schematic diagram of the optical accessory holding mechanism of the heat dissipating device of the present invention. It can be seen from Fig. 2 that a recess 6 is formed on an outer circumference of the holding ring 5 of the optical accessory holding mechanism, and a projection 7 in locking cooperation with the recess 6 is formed on the hous ⁇ ing wall that defines the light emergent opening la (see Fig. 3) .
  • the recess 6 also can be formed on the housing wall, and the projection 7 is formed on the outer circumfer- ence of the holding ring 5.
  • FIG. 3 is a local schematic diagram of the light emergent opening la of the heat dissipating device of the present in ⁇ vention. It can be seen from Fig. 3 that the projection 7 in locking cooperation with the recess 6 formed on the outer circumference of the holding ring 5 as shown in Fig. 2 is formed on the housing wall that defines the light emergent opening la. The projection 7 can be engaged with the recess 6 by rotating the holding ring 5 so that the holding ring 5 and the heat dissipating device are in a locking connection.
  • Fig. 4a-Fig. 4c are schematic diagrams of different variants of the optical accessory holding mechanism of the heat dissi ⁇ pating device of the present invention. It can be seen from Fig. 4a-Fig. 4c that apart from the holding ring 5, the optical accessory holding mechanism further comprises a hood 8 that has a chamfered cylindrical (Fig. 4a), cylindrical (Fig. 4b) or trumpet (not shown) profile.
  • the hood 8 optionally also can comprise a plurality of shield plates 8a (Fig. 4c) distributed on the circumference of the holding ring 5.
  • the present invention may have vari ⁇ ous alterations and changes. Any alterations, equivalent sub ⁇ stitutions, improvements, within the spirit and principle of the present invention, should be covered in the protection scope of the present invention.

Abstract

The present invention relates to a heat dissipating device for a light-emitting assembly (100), comprising a housing (1) with a light emergent opening (1a), wherein an LED light source (2) of the light-emitting assembly (100)and a lens or reflector (3) arranged downstream of the LED light source (2) in a light emitting direction are arranged in the housing (1), and wherein the heat dissipating device further comprises an optical accessory holding mechanism removably fixed on a housing wall that defines the light emergent opening (1a) and configured to fix a further optical accessory (4) downstream of the lens or reflector (3) in the light emitting direction. In addition, the present invention further relates to a light-emitting assembly having the heat dissipating device.

Description

Description
Heat Dissipating Device and Light-emitting Assembly Having the Heat Dissipating Device
Technical Field
The present invention relates to a heat dissipating device. In addition, the present invention further relates to a light-emitting assembly having the heat dissipating device. Background Art
As everyone knows, LED illumination has irreplaceable advan¬ tages, such as energy saving, low power consumption, and electrical-to-optical conversion efficiency near to 100%. It can save no less than 80% energy compared with the tradi- tional light source with the same illuminating efficiency and has a longer service lifetime. In view of the above advan¬ tages, the LED is used more and more as a light source, such as a lot of LED retrofit lamps available in the market. Such LED retrofit lamps have the same appearance and profile as the traditional light source such as incandescent lamp or lamp tube, thus they can be more applicable as a light source to the existing illuminating systems.
However, in some fields to which the illuminating devices are applied, the illuminating device with an MR/Par lamp usually has some special accessories such as color lens, diffuser or stria lens or honeycomb lens. When the LED retrofit lamp is used to replace, for instance, an MR/Par halogen lamp, the following problems often appear: 1) if the LED retrofit lamp has a longer length than that of the standard lamp, it cannot be used to replace the MR/Par halogen lamp; and 2) if the LED retrofit lamp has a shorter length than that of the standard lamp, it can be used to replace the MR/Par halogen lamp, but the temperature of the lamp will rise too much, and the light output also will be decreased. Of course, the LED retrofit lamp having the standard size also can be used to directly replace the MR/Par halogen lamp with accessories in the illuminating device, but the tempera¬ ture of the LED also will rise too much, and this will reduce the service lifetime and the light output of the lamp, be- cause the accessories of the illuminating device block the air flow around the heat dissipating device of the LED retro¬ fit lamp, and the heat dissipating efficiency of the heat dissipating device is affected.
Summary of the Invention In order to solve the above technical problems, the present invention provides a heat dissipating device for a light- emitting assembly. The heat dissipating device is integrated with a mechanism for fixing a further optical accessory, so that it can be well applied to a light-emitting assembly hav- ing the heat dissipating device to doubtlessly replace a light source of a light-emitting assembly, without adversely affecting the heat dissipating effect. In addition, the heat dissipating device of the present invention also allows re¬ placing the light source of the light-emitting assembly in the precondition of not changing the structure of the light- emitting assembly. Besides, the present invention further provides a light-emitting assembly having the heat dissipat¬ ing device.
The first object of the present invention is accomplished via a heat dissipating device of a light-emitting assembly. The heat dissipating device comprises a housing with a light emergent opening, wherein an LED light source of the light- emitting assembly and a lens or reflector arranged downstream of the LED light source in a light emitting direction are ar- ranged in the housing, wherein the heat dissipating device further comprises an optical accessory holding mechanism removably fixed on a housing wall that defines the light emer¬ gent opening and configured to fix a further optical acces¬ sory downstream of the lens or reflector in the light emit- ting direction. In the solutions of the present invention, the further optical accessory for providing an additional optical effect can be integrated with the heat dissipating de¬ vice by means of the optical accessory holding mechanism of the heat dissipating device, thus the optical accessories for this purpose provided by a light-emitting assembly in which the heat dissipating device is used are canceled, therefore, influences of the optical accessories, that should be pro¬ vided in the light-emitting assembly, on the heat dissipating device, and further on the place where the light-emitting as- sembly that uses the heat dissipating device is installed are eliminated; meanwhile, blocking of the optical accessories to the heat dissipating device is also removed, so that the op¬ tical accessories are prevented from blocking the air flow around the heat dissipating device, which prominently im- proves the heat dissipating performance of the heat dissipat¬ ing device.
Preferably, the optical accessory holding mechanism comprises a holding ring configured to fix the further optical acces¬ sory on the light emergent opening of the heat dissipating device.
Further preferably, a recess is formed on an outer circumfer¬ ence of the holding ring, and a projection in locking coop- „
eration with the recess is formed on the housing wall that defines the light emergent opening, or a projection is formed on an outer circumference of the holding ring, and a recess in locking cooperation with projection is formed on the hous- ing wall that defines the light emergent opening. After the further optical accessory is installed on the holding ring, the projection can slide into the recess just by rotating the holding ring, so that the holding ring and then the further optical accessory retained by the holding ring are fixed on the heat dissipating device.
Optionally, threads are formed on the outer circumference of the holding ring to be screwed into corresponding threads formed on the housing wall that defines the light emergent opening. This also can realize a reliable fixed connection between the holding ring, and then the further optical accessory retained by the holding ring, and the heat dissipating device .
Preferably, the optical accessory holding mechanism further comprises a hood formed on the holding ring. According to the present invention, the hood has a chamfered cylindrical, cy¬ lindrical or trumpet profile. Optionally, the hood comprises a plurality of shield plates distributed on a circumference of the holding ring. Of course, the hood also can have a pro¬ file of other types. The other object of the present invention is accomplished via a light-emitting assembly. The light-emitting assembly comprising the heat dissipating device as described above, and the light-emitting assembly of the present invention prefera¬ bly is configured to be an LED retrofit lamp. Such LED retro- fit lamp can doubtlessly replace a light source of a light- emitting assembly without any adverse influence on the heat dissipating effect.
Preferably, the LED retrofit lamp further comprises an LED light source, a lens or reflector arranged downstream of the LED light source in a light emitting direction, a driver and a further optical accessory, wherein the housing of the heat dissipating device is divided into a first cavity for accom¬ modating the LED light source and the lens or reflector and a second cavity for accommodating the driver, and wherein the further optical accessory is fixed at the light emergent opening by means of the optical accessory holding mechanism. As a result, the further optical accessory for providing an additional optical effect can be integrated with the heat dissipating device by means of the optical accessory holding mechanism of the heat dissipating device, thus the optical accessories for this purpose provided by a light-emitting as¬ sembly in which the heat dissipating device is used are can¬ celed, therefore, influences of the optical accessories, that should be provided in the light-emitting assembly, on the heat dissipating device, and further on the place where the light-emitting assembly that uses the heat dissipating device is installed are eliminated; meanwhile, blocking of the opti¬ cal accessories to the heat dissipating device is also re¬ moved, so that the optical accessories are prevented from blocking the air flow around the heat dissipating device, which prominently improves the heat dissipating performance of the heat dissipating device.
Preferably, the further optical accessory is one of a color lens, a diffuser or a stria lens and a honeycomb lens.
Brief Description of the Drawings The accompanying drawings constitute a part of the present Description and are used to provide further understanding of the present invention. Such accompanying drawings illustrate the embodiments of the present invention and are used to de¬ scribe the principles of the present invention together with the Description. In the accompanying drawings the same compo¬ nents are represented by the same reference numbers. As shown in the drawings :
Fig. 1 is a schematic diagram of a light-emitting assembly having a heat dissipating device of the present invention; Fig. 2 is a local schematic diagram of an optical accessory holding mechanism of the heat dissipating device of the present invention;
Fig. 3 is a local schematic diagram of a light emergent open¬ ing of the heat dissipating device of the present invention; and
Fig. 4a-Fig. 4c are schematic diagrams of different variants of the optical accessory holding mechanism of the heat dissi¬ pating device of the present invention.
Detailed Description of the Embodiments Fig. 1 is a schematic diagram of a light-emitting assembly 100 having a heat dissipating device of the present inven¬ tion. The light-emitting assembly 100 of the present inven¬ tion further comprises an LED light source 2, a lens or re¬ flector 3 arranged downstream of the LED light source 2 in a light emitting direction, a driver 9 and a further optical accessory 4, wherein a housing 1 of the heat dissipating device is divided into a first cavity lb for accommodating the LED light source 2 and the lens or reflector 3 and a second cavity lc for accommodating the driver 9, and wherein the further optical accessory 4 is fixed at the light emergent opening la by means of the optical accessory holding mecha¬ nism. It can be further seen from Fig. 1 that the housing 1 of the heat dissipating device defines the light emergent opening la, and the optical accessory holding mechanism is removably fixed on the housing wall that the defines the light emergent opening la, so that the further optical accessory 4 is fixed downstream of the lens or reflector 3 in the light emitting direction. In the present embodiment, the optical accessory holding mechanism comprises a holding ring 5. Besides, according to the present invention, the further optical acces¬ sory 4 is one of a color lens, a diffuser or a stria lens and a honeycomb lens.
Fig. 2 is a local schematic diagram of the optical accessory holding mechanism of the heat dissipating device of the present invention. It can be seen from Fig. 2 that a recess 6 is formed on an outer circumference of the holding ring 5 of the optical accessory holding mechanism, and a projection 7 in locking cooperation with the recess 6 is formed on the hous¬ ing wall that defines the light emergent opening la (see Fig. 3) . Of course, the recess 6 also can be formed on the housing wall, and the projection 7 is formed on the outer circumfer- ence of the holding ring 5.
In another embodiment of the present invention (not show in the figures) , threads are formed on the outer circumference of the holding ring 5 to be screwed into corresponding threads formed on the housing wall that defines the light emergent opening la. Fig. 3 is a local schematic diagram of the light emergent opening la of the heat dissipating device of the present in¬ vention. It can be seen from Fig. 3 that the projection 7 in locking cooperation with the recess 6 formed on the outer circumference of the holding ring 5 as shown in Fig. 2 is formed on the housing wall that defines the light emergent opening la. The projection 7 can be engaged with the recess 6 by rotating the holding ring 5 so that the holding ring 5 and the heat dissipating device are in a locking connection. Fig. 4a-Fig. 4c are schematic diagrams of different variants of the optical accessory holding mechanism of the heat dissi¬ pating device of the present invention. It can be seen from Fig. 4a-Fig. 4c that apart from the holding ring 5, the optical accessory holding mechanism further comprises a hood 8 that has a chamfered cylindrical (Fig. 4a), cylindrical (Fig. 4b) or trumpet (not shown) profile. In addition, the hood 8 optionally also can comprise a plurality of shield plates 8a (Fig. 4c) distributed on the circumference of the holding ring 5. The above is merely preferred embodiments of the present in¬ vention but not to limit the present invention. For the per¬ son skilled in the art, the present invention may have vari¬ ous alterations and changes. Any alterations, equivalent sub¬ stitutions, improvements, within the spirit and principle of the present invention, should be covered in the protection scope of the present invention. „
List of reference signs
1 housing
la light emergent opening lb first cavity
lc second cavity
2 LED light source
3 lens or reflector
4 further optical accessory 5 holding ring
6 recess
7 projection
8 hood
8a shield plate
9 driver
100 light-emitting assembly

Claims

Claims
1. A heat dissipating device for a light-emitting assembly (100), comprising a housing (1) with a light emergent opening (la), wherein an LED light source (2) of the light-emitting assembly (100) and a lens or reflector (3) arranged downstream of the LED light source (2) in a light emitting direction are arranged in the housing (1), characterized in that the heat dissipating device further comprises an optical accessory holding mechanism removably fixed on a housing wall that de¬ fines the light emergent opening (la) and configured to fix a further optical accessory (4) downstream of the lens or reflector (3) in the light emitting direction.
2. The heat dissipating device according to Claim 1, char- acterized in that the optical accessory holding mechanism comprises a holding ring (5) .
3. The heat dissipating device according to Claim 2, characterized in that a recess (6) is formed on an outer circum¬ ference of the holding ring (5), and a projection (7) in locking cooperation with the recess (6) is formed on the housing wall that defines the light emergent opening (la), or a projection (7) is formed on an outer circumference of the holding ring (5), and a recess (6) in locking cooperation with projection (7) is formed on the housing wall that de- fines the light emergent opening (la) .
4. The heat dissipating device according to Claim 2, characterized in that threads are formed on an outer circumfer¬ ence of the holding ring (5) to be screwed into corresponding threads formed on the housing wall that defines the light emergent opening (la) .
5. The heat dissipating device according to Claim 2, characterized in that the optical accessory holding mechanism further comprises a hood (8) formed on the holding ring (5) .
6. The heat dissipating device according to Claim 5, char- acterized in that the hood (8) has a chamfered cylindrical, cylindrical or trumpet profile.
7. The heat dissipating device according to Claim 5, characterized in that the hood (8) comprises a plurality of shield plates (8a) distributed on a circumference of the holding ring (5) .
8. A light-emitting assembly (100), characterized in that the light-emitting assembly (100) comprises the heat dissi¬ pating device according to any one of Claims 1-7.
9. The light-emitting assembly (100) according to Claim 8, characterized in that the light-emitting assembly (100) is configured to be an LED retrofit lamp.
10. The light-emitting assembly (100) according to Claim 9, characterized in that the light-emitting assembly (100) fur¬ ther comprises an LED light source (2), a lens or reflector (3) arranged downstream of the LED light source (2) in a light emitting direction, a driver (9) and a further optical accessory (4), wherein the housing (1) of the heat dissipating device is divided into a first cavity (lb) for accommo¬ dating the LED light source (2) and the lens or reflector (3) and a second cavity (lc) for accommodating the driver (9), and wherein the further optical accessory (4) is fixed at the light emergent opening (la) by means of the optical accessory holding mechanism.
11. The light-emitting assembly (100) according to any one of Claims 8-10, characterized in that the further optical ac¬ cessory (4) is one of a color lens, a diffuser or a stria lens and a honeycomb lens .
PCT/EP2013/050655 2012-01-18 2013-01-15 Heat dissipating device and light-emitting assembly having the heat dissipating device WO2013107733A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2012100154405A CN103216800A (en) 2012-01-18 2012-01-18 Heat radiating device and luminescent assembly with same
CN201210015440.5 2012-01-18

Publications (1)

Publication Number Publication Date
WO2013107733A1 true WO2013107733A1 (en) 2013-07-25

Family

ID=47605493

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2013/050655 WO2013107733A1 (en) 2012-01-18 2013-01-15 Heat dissipating device and light-emitting assembly having the heat dissipating device

Country Status (2)

Country Link
CN (1) CN103216800A (en)
WO (1) WO2013107733A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10180248B2 (en) 2015-09-02 2019-01-15 ProPhotonix Limited LED lamp with sensing capabilities

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5651606A (en) * 1995-06-28 1997-07-29 Greenlee Lighting Outdoor light fixture with drainage features
US20060279952A1 (en) * 2005-01-18 2006-12-14 Musco Corporation Modified reflector surface to redirect off-field side light onto field
US20100072894A1 (en) * 2008-09-19 2010-03-25 Toshiba Lighting & Technology Corporation Lamp device and lighting apparatus
US20110194282A1 (en) * 2010-06-23 2011-08-11 Dongki Paik Lighting device and method of assembling the same
DE202011051168U1 (en) * 2011-08-31 2011-11-21 Cooler Master Co., Ltd. Optical lens and lighting device with this optical lens
US20120002424A1 (en) * 2010-07-02 2012-01-05 Lg Electronics Inc. light emitting diode based lamp

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101142435A (en) * 2005-01-18 2008-03-12 马斯科公司 Highly reflective lighting fixture protection cover used as lens hood
CN201203069Y (en) * 2008-05-14 2009-03-04 庄国盛 Floodlight capable of mounting lamp tubes of different lengths
CN201753895U (en) * 2010-07-22 2011-03-02 常州市格林照明灯具制造有限公司 Concealed locating and fixing device for surface cover
CN102121603A (en) * 2011-01-07 2011-07-13 云南邦桥节能科技有限公司 LED lamp holder
CN202002053U (en) * 2011-01-25 2011-10-05 惠州雷士光电科技有限公司 Multi-stage heat radiation type light emitting diode (LED) lamp
CN202017923U (en) * 2011-03-03 2011-10-26 厦门雅斯达电源电器有限公司 Improved LED bulb

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5651606A (en) * 1995-06-28 1997-07-29 Greenlee Lighting Outdoor light fixture with drainage features
US20060279952A1 (en) * 2005-01-18 2006-12-14 Musco Corporation Modified reflector surface to redirect off-field side light onto field
US20100072894A1 (en) * 2008-09-19 2010-03-25 Toshiba Lighting & Technology Corporation Lamp device and lighting apparatus
US20110194282A1 (en) * 2010-06-23 2011-08-11 Dongki Paik Lighting device and method of assembling the same
US20120002424A1 (en) * 2010-07-02 2012-01-05 Lg Electronics Inc. light emitting diode based lamp
DE202011051168U1 (en) * 2011-08-31 2011-11-21 Cooler Master Co., Ltd. Optical lens and lighting device with this optical lens

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10180248B2 (en) 2015-09-02 2019-01-15 ProPhotonix Limited LED lamp with sensing capabilities

Also Published As

Publication number Publication date
CN103216800A (en) 2013-07-24

Similar Documents

Publication Publication Date Title
US9157606B2 (en) Optical system for LEDs for control of stray light
US7484863B1 (en) Lighting fixture
US8858039B2 (en) Illuminating apparatus
JP5881185B2 (en) LED-type lighting unit comprising a substantially sealed LED
EP2745041B1 (en) Led-based luminaire having a mixing optic
US8287145B2 (en) Lamp
US20140063802A1 (en) Optical System for LEDs for Controlling Light Utilizing Reflectors
JP5378481B2 (en) High illumination LED bulb with 360 degree shot angle
US10436420B2 (en) Zoom LED lamp with slidable lens
TW201306299A (en) Light-emitting circuit and luminaire
US20130322074A1 (en) Light fixture with selectable emitter and reflector configuration
TWI629434B (en) Lamp device
WO2013107733A1 (en) Heat dissipating device and light-emitting assembly having the heat dissipating device
WO2010055339A2 (en) Lamp unit, light fitting and method of making an optical lens for a lamp unit
JP6956351B2 (en) lighting equipment
US11287111B2 (en) Spring loaded lens retainers
CN101726973B (en) Projector
TWM527517U (en) LED lamp assembly
US20140104860A1 (en) Lighting device for a car lamp
TWM474866U (en) Lamp featuring easy installation and maintenance
KR102137746B1 (en) Optical lens and lamp module
CN102135258A (en) LED (Light Emitting Diode) street lamp with module balance and respiration functions
RU2010147641A (en) VEHICLE LIGHT SIGNALING DEVICE WITH REPLACEABLE LIGHT SOURCES
US20160281958A1 (en) Retrofit Light Emitting Diode Fixture for a Black Box
TWM586333U (en) Three-proofing lamp

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: 13701399

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: 13701399

Country of ref document: EP

Kind code of ref document: A1