CN103206690B - Light-emitting device and the light fixture with the light-emitting device - Google Patents
Light-emitting device and the light fixture with the light-emitting device Download PDFInfo
- Publication number
- CN103206690B CN103206690B CN201210007735.8A CN201210007735A CN103206690B CN 103206690 B CN103206690 B CN 103206690B CN 201210007735 A CN201210007735 A CN 201210007735A CN 103206690 B CN103206690 B CN 103206690B
- Authority
- CN
- China
- Prior art keywords
- light
- emitting device
- air vent
- radiator
- actuator housing
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
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
- 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
-
- 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
-
- 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
- F21V29/85—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems characterised by the material
- F21V29/89—Metals
-
- 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]
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)
Abstract
The present invention relates to a kind of light-emitting device (100), including light engine (1), radiator (2), driver and the actuator housing (3) for accommodating the driver, it is characterized in that, the radiator (2) supports light engine (1) in side (21) and in opposite side (22) formed with the accommodating chamber at least partly accommodating the actuator housing (3), and the radiator (2) is with least one first air vent (26) and actuator housing (3) is with least one second air vent (33), first air vent (26) and second air vent (33) air-flow communicate.The invention further relates to a kind of light fixture, according to the light-emitting device of the present invention and light fixture with manufacturing process is simple, cost is low and the advantages of with the heat-sinking capability significantly improved.
Description
Technical field
The present invention relates to a kind of light-emitting device and with the light-emitting device light fixture.
Background technology
Generally there are bigger radiating requirements in light-emitting device, this is due to that light engine and driver produce larger heat
Thermal source, it is therefore desirable to have the radiating of effect ensures the normal operation of light-emitting device, particularly with LED light emission device, the demand
It is more urgent.
Typical LED light emission device includes light engine, radiator and driver, and radiator is arranged on light engine and driver
Between.Radiator is directly thermally contacted with light engine and driver, using the part of the thermo-contact of radiator, by caused heat
The other parts for being delivered to radiator are radiated.However, the limited area of the contact of part due to directly thermally contacting and
Heat-sinking capability is limited, therefore causes the heat-sinking capability of radiator to be on the whole restricted.
Following several solutions in the prior art be present：
The first solution of the prior art is perfusion thermal paste.The light engine or appearance are accommodated in radiator
Receive the driver cavity in irrigate thermal paste, improve heat-sinking capability.But the shortcomings that this scheme, is to add cost,
And cause the weight penalty of whole light-emitting device.
Second of solution of the prior art is to provide the heat sink of thickening, and light is supported using the heat sink of thickening
Engine, so as to increase the heat-sinking capability of contact portion.But the shortcomings that this scheme is to add cost, and cause whole
The weight penalty of light-emitting device.
The third solution of the prior art is to reduce the output of light, with hot caused by reduction.But this side
Case is obviously disagreed with client for the demand of high light output.
The content of the invention
Therefore it is an object of the present invention to propose a kind of light-emitting device, it can overcome various solution party of the prior art
The shortcomings that case, and it is simple and the advantages of with the heat-sinking capability significantly improved with manufacturing process.
A kind of light-emitting device is proposed according to the present invention, including light engine, radiator, driver and described for accommodating
The actuator housing of driver, it is characterised in that the radiator supports light engine in side and in opposite side formed with extremely
Small part accommodates the accommodating chamber of the actuator housing, and the radiator has the first air vent and actuator housing has
There is the second air vent, first air vent and the second ventilation gas flow hole communicate.Divulged information using the first air vent and second
Hole, the cross-ventilation around high-power driver is added, so as to significantly improve heat-sinking capability.In addition, utilize above-mentioned sky
The radiating mode of gas convection current, the requirement for radiator and the accuracy of the structure of actuator housing be not it is excessively harsh, therefore,
Help to reduce manufacturing cost.
According to a preferred embodiment of the invention, the radiator have be used for support light engine upper wall and with
The upper wall limits the first perisporium of the accommodating chamber jointly, and it is logical to offer described first in the upper wall and/or the first perisporium
Air holes.The shape of radiator can be designed to arbitrary shape, such as inverted U-shaped, i.e. a substrate of the upper wall as radiator, and
Upper wall and/or the first perisporium limit a cavity opened in side jointly.It can also be designed to for example including also including the
Two perisporiums, upper wall and the second perisporium limit the accommodating chamber of a receiving light engine jointly, and wherein light engine is still supported on this
On upper wall.
Preferably, the upper wall, which has, is used to support the middle section of the light engine and the week around the middle section
Border area domain, first air vent are opened in the neighboring area.By the way that the first air vent is arranged on upper wall, Ke Yijin
One step opens up the first air vent with very simple processing mode.First air vent is arranged in the neighboring area of upper wall, can be with
The heat loss through convection with the second air vent is very advantageously realized, directly contacts and is radiated with radiator without influence light engine.
Preferably, in institute's accommodating chamber, formed between radiator and the actuator housing for connecting described first
The convective region of air vent and second air vent.According to the present invention, perisporium of the actuator housing not directly with radiator connects
Touch, it is ensured that the heat of actuator housing is not transferred on light engine, influences the normal work of light engine.According to the present invention,
Space between actuator housing and the perisporium of radiator is effectively utilised, as the first air vent of connection and the second ventilation
The convective region in hole, improve heat loss through convection effect.Therefore, the heat transfer of driver had both been avoided to light engine, had been changed again
It has been apt to heat loss through convection effect.
Preferably, actuator housing exposes at it offers the second air vent on part of accommodating chamber.By the second air vent
Contacted with the external world, it is ensured that heat is discharged so as to actuator housing side, will not be transmitted so as to both avoid the heat of driver
Onto light engine, heat loss through convection effect is improved again.
According to the preferred scheme of the present invention, actuator housing has the cylindrical portion and the back of the body towards the accommodating chamber side
From the coronal flange in accommodating chamber side, second air vent is arranged on the coronal flange.Coronal flange is at least partly
Ground is exposed to beyond accommodating chamber, ensures that heat is discharged so as to actuator housing side.
Preferably, the actuator housing is made of plastics.Because the light-emitting device of the present invention ensure that enough radiatings
Ability, therefore can realize that actuator housing is made of plastics, so as to alleviate the weight of whole light-emitting device.Preferably, institute
Actuator housing is stated to be made up of injection Shooting Technique.So as to reduce the overall manufacturing cost of light-emitting device.
Preferably, the radiator is made of metal.It make use of what heat conducting and radiating and cross-ventilation radiated in the present invention
Combination, thus it is ensured that enough heat-sinking capabilities.It is further preferred that the radiator is by spinning process or Sheet Metal Forming Technology shape
Into.Make it that the air vent of radiator and radiator is easily formed and manufacturing cost significantly reduces using the technique.
The invention further relates to a kind of light fixture, preferred variant lamp.Manufacture work is had according to the light-emitting device of the present invention and light fixture
Skill is simple, cost is low and has the advantages of heat-sinking capability significantly improved.
It should be understood that the generality of the above describes and the following detailed description is all enumerated and illustrative, it is therefore an objective to
In order to provide further instruction to claimed invention.
Brief description of the drawings
Accompanying drawing forms the part of this specification, is used to help further understand the present invention.These accompanying drawings illustrate this hair
Bright embodiment, and together with specification be used for illustrate the present invention principle.Identical part identical label in the accompanying drawings
Represent.Shown in figure：
Fig. 1 is the stereogram according to the light-emitting device of the first specific embodiment of the present invention；
Fig. 2 is the explosive view according to the light-emitting device of the first specific embodiment of the present invention；
Fig. 3 is the side sectional view according to the light-emitting device of the first specific embodiment of the present invention；
Fig. 4 is the top view according to the light-emitting device of the first specific embodiment of the present invention；
Fig. 5 is the front view according to the light-emitting device of the first specific embodiment of the present invention；
Fig. 6 is the upward view according to the light-emitting device of the first specific embodiment of the present invention.
Embodiment
Fig. 1 is the stereogram according to the light-emitting device 100 of the first specific embodiment of the present invention.Fig. 2 is according to the present invention
The first specific embodiment light-emitting device 100 explosive view.With reference to Fig. 1, Fig. 2, which can be seen that light-emitting device 100, includes lamp housing
4th, light engine 1, radiator 2, the actuator housing 3 for accommodating driver (not shown) and the electrical connection section 5 for being connected to power supply.
Light engine 1 includes circuit board and the LED chip being arranged on the circuit board, and lamp housing 4 is installed on radiator 2, for branch
The radiation direction for supportting the LED chip injection of the light engine 1 on radiator 2 is adjusted.The profile of lamp housing 4 is designed as and radiated
The appearance profile of device 2 matches, and the two is collectively forming fairshaped configuration.Actuator housing 3 is partly from the radiating
Stretched out in device 2, and the appearance profile of extension 32 and radiator 2 also matches, and collectively forms fairshaped configuration,
Ensure that light-emitting device 100 overall construction design is compact and good appearance.Actuator housing 3 side through radiator 2 with
Light engine 1 electrically connects, and is electrically connected in opposite side with leading to the electrical connection section 5 of power supply, such as be provided with radiator 2 for this
The perforate 27 illustrated.Due to emphasis of the invention and electrical connection is not lain in, therefore, herein no longer to how to carry out electricity
The details expansion of connection is described in detail.
The radiator 2 of the present invention is arranged between light engine 1 and actuator housing 3, and light engine 1 and actuator housing 3 divide
The both sides of radiator 2 are not installed to.Radiator is in side 21, i.e., the upside installation light engine 1 shown in figure, in opposite side
22, i.e., the downside installation kit shown in figure contains the actuator housing 3 of driver.According to the present invention, radiator 2 is collateral one
Light engine 1 is supportted, radiator 2 can form cavity support light engine 1 in side, can also be such as the specific embodiment, upper
Side forms a substrate, i.e. upper wall 24 is used to support light engine 1.Radiator 2 accommodates driving in opposite side formed with least part
The accommodating chamber of device housing 3, the accommodating chamber are limited jointly by the perisporium 25 of upper wall 24 and first.Radiator 2 has the first air vent
26 and actuator housing 3 there is the second air vent 33, the first air vent 26 and the air-flow of the second air vent 33 communicate.
In this specific embodiment, preferably the first air vent 26 is opened on upper wall 24, and the first air vent 26
It is opened in the neighboring area 29 around the middle section 28 of support light engine 1.Preferably the first air vent 26 is uniformly distributed.
In other embodiments, the first air vent 26 can also be arranged on perisporium 25.In this specific embodiment, the second air vent 33 is opened
It is located on the part for exposing accommodating chamber of actuator housing 3.In this specific embodiment, actuator housing 3 has cylindrical portion 31
With coronal flange 32.Cylindrical portion 31 is designed as being received into just in the accommodating chamber of radiator 2, and coronal flange 32 has than cylindrical portion
31 bigger sizes, it is designed as stretching out from radiator 2, and forms a part for the outline of light-emitting device 100.Second is logical
Air holes 33 is arranged on coronal flange 32.Drive shell shape can also freely design according to different design requirements.
According to the specific embodiment, actuator housing 3 is made of plastics, and is made up of injection Shooting Technique, therefore, can be with
Actuator housing is used as such as PC, PE using the heat dispersion in general plastics of generally use, thus reduce cost and
Reduce processed complex degree.Radiator 2 is made up of metal, such as the AL of the preferable lighter in weight of thermal diffusivity.Radiator 2 can be by revolving
Pressure technique or Sheet Metal Forming Technology are formed, and can also be formed by other techniques for being suitable to low cost processing.
Fig. 3 is the side sectional view according to the light-emitting device of the first specific embodiment of the present invention.Can from Fig. 3
Go out, formed between the perisporium 25 and actuator housing 3 of radiator 2 for connecting the first air vent 26 and second air vent
33 convective region 23.Convective region 23 improves heat loss through convection effect, and the heat transfer for avoiding driver is drawn to light
Hold up on 1.
Fig. 4 is the top view according to the light-emitting device of the first specific embodiment of the present invention；Fig. 5 is the according to the present invention
The front view of the light-emitting device of one specific embodiment；Fig. 6 is faced upward according to the light-emitting device of first specific embodiment of the present invention
View.With reference to Fig. 4-Fig. 6, the detail of light-emitting device 100, the second air vent illustrated in figure can be seen more clearly
33 can most hot-air is discharged in external environment at last well, so as to improve the present invention light-emitting device heat radiation energy
Power.
The preferred embodiments of the present invention are these are only, are not intended to limit the invention, for those skilled in the art
For member, the present invention can have various modifications and variations.Any modification for being made within the spirit and principles of the invention, etc.
With replacement, improvement etc., should be included in the scope of the protection.
Label list
100 light-emitting devices
1 light engine
2 radiators
3 actuator housings
4 lamp housings
5 electrical connection sections
21 sides
22 opposite sides
23 convective regions
24 upper walls
25 first perisporiums
26 first air vents
27 perforates
The middle section of 28 upper walls
The neighboring area of 29 upper walls
31 cylindrical portions
32 coronal flanges
33 second air vents
Claims (10)
1. a kind of light-emitting device (100), including light engine (1), radiator (2), driver and for accommodating the driver
Actuator housing (3), it is characterised in that the radiator (2) is in side (21) support light engine (1) and in opposite side
(22) formed with the accommodating chamber at least partly accommodating the actuator housing (3), and the radiator (2) is with least one
First air vent (26) and actuator housing (3) has at least one second air vent (33), first air vent (26)
Communicated with the second air vent (33) air-flow,
Wherein described radiator has the upper wall (24) for being used for supporting light engine (1) and limits institute jointly with the upper wall (24)
The first perisporium (25) of accommodating chamber is stated, first air vent is offered in the upper wall (24) and/or the first perisporium (25)
(26),
Wherein described actuator housing (3) has towards the cylindrical portion (31) of the accommodating chamber side and away from the accommodating chamber one
The coronal flange (32) of side, second air vent (33) are arranged on the coronal flange (32),
Wherein in first perisporium (25) of the radiator (2) and the cylindrical portion (31) of the actuator housing (3)
Between formed for connecting the convective region (23) of first air vent (26) and second air vent (33).
2. light-emitting device (100) according to claim 1, it is characterised in that the upper wall (24), which has, to be used to support institute
State the middle section (28) of light engine (1) and around the neighboring area of the middle section (29), first air vent (26)
It is opened in the neighboring area (29).
3. light-emitting device (100) according to claim 1 or 2, it is characterised in that the actuator housing (3) is revealed at it
Go out on the part of accommodating chamber to offer the second air vent (33).
4. light-emitting device (100) according to claim 1 or 2, it is characterised in that the actuator housing (3) is by plastics
It is made.
5. light-emitting device (100) according to claim 4, it is characterised in that the actuator housing (3) is molded by injection
Technique is made.
6. light-emitting device (100) according to claim 1 or 2, it is characterised in that the radiator (2) is made of metal.
7. light-emitting device (100) according to claim 6, it is characterised in that the radiator (2) is by spinning process or punching
Pressure technique is formed.
8. light-emitting device (100) according to claim 1 or 2, it is characterised in that the light engine (1) includes circuit board
With the LED chip being arranged on the circuit board.
9. a kind of light fixture, including the light-emitting device (100) according to any one of claim 1-8.
10. light fixture according to claim 9, wherein the light fixture is modification lamp.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210007735.8A CN103206690B (en) | 2012-01-11 | 2012-01-11 | Light-emitting device and the light fixture with the light-emitting device |
| PCT/EP2013/050224 WO2013104626A1 (en) | 2012-01-11 | 2013-01-08 | Lighting device and luminaire having said lighting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210007735.8A CN103206690B (en) | 2012-01-11 | 2012-01-11 | Light-emitting device and the light fixture with the light-emitting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103206690A CN103206690A (en) | 2013-07-17 |
| CN103206690B true CN103206690B (en) | 2018-03-06 |
Family
ID=47521039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210007735.8A Active CN103206690B (en) | 2012-01-11 | 2012-01-11 | Light-emitting device and the light fixture with the light-emitting device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103206690B (en) |
| WO (1) | WO2013104626A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104713045A (en) * | 2013-12-12 | 2015-06-17 | 厦门通士达照明有限公司 | Radiating device of LED lamp |
| CN104654250A (en) * | 2014-06-18 | 2015-05-27 | 潘军铁 | LED lighting lamp |
| KR20160073786A (en) * | 2014-12-17 | 2016-06-27 | 삼성전자주식회사 | Illumination device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201382280Y (en) * | 2009-01-23 | 2010-01-13 | 周焕球 | LED illumination device |
| CN102095098A (en) * | 2009-11-09 | 2011-06-15 | Lg伊诺特有限公司 | Lighting device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7625103B2 (en) * | 2006-04-21 | 2009-12-01 | Cree, Inc. | Multiple thermal path packaging for solid state light emitting apparatus and associated assembling methods |
| KR100961840B1 (en) * | 2009-10-30 | 2010-06-08 | 화우테크놀러지 주식회사 | Led lamp |
| US8646942B2 (en) * | 2011-03-07 | 2014-02-11 | Lighting Science Group Corporation | LED luminaire |
-
2012
- 2012-01-11 CN CN201210007735.8A patent/CN103206690B/en active Active
-
2013
- 2013-01-08 WO PCT/EP2013/050224 patent/WO2013104626A1/en active Application Filing
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201382280Y (en) * | 2009-01-23 | 2010-01-13 | 周焕球 | LED illumination device |
| CN102095098A (en) * | 2009-11-09 | 2011-06-15 | Lg伊诺特有限公司 | Lighting device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013104626A1 (en) | 2013-07-18 |
| CN103206690A (en) | 2013-07-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101169364B1 (en) | Light Device | |
| US8125126B2 (en) | Multi-facet light emitting lamp | |
| CN101551094B (en) | Light emitting diode lamp with functions of heat convection and heat conduction and heat radiation module thereof | |
| KR20140038116A (en) | Led lamp | |
| CN103206690B (en) | Light-emitting device and the light fixture with the light-emitting device | |
| TW201916523A (en) | Radiator for charging connector, heat dissipating device and vehicle | |
| CN104832815B (en) | LED light radiator structure | |
| CN103206689B (en) | Heat abstractor, light-emitting device and the light fixture with the light-emitting device | |
| CN204406021U (en) | A kind of micro projector | |
| CN201133639Y (en) | Illuminating apparatus possessing radiation structure | |
| CN204678102U (en) | LED radiator structure | |
| CN103807622B (en) | Lighting device | |
| CN103216741A (en) | Lighting device and lamp provided with same | |
| CN101639163B (en) | Lamp | |
| CN201348229Y (en) | High-efficiency heat radiation structure | |
| CN208281836U (en) | A kind of special shaped LED bulb lamp | |
| CN201047580Y (en) | Radiating apparatus | |
| CN203517712U (en) | Bulb with high heat dissipation performance | |
| CN103672465A (en) | Led lamp | |
| CN201851922U (en) | LED (light-emitting diode) lighting device with heat-dissipation device | |
| CN201739867U (en) | Electrothermal separation LED lamp-bulb modular structure | |
| CN201925760U (en) | Lighting device | |
| CN201772302U (en) | LED lamp | |
| CN203231126U (en) | Light-emitting diode (LED) lamp | |
| CN214745224U (en) | Power supply heat dissipation mechanism and lamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181213 Address after: Munich, Germany Patentee after: Landes Vance Address before: Munich, Germany Patentee before: Osram Co., Ltd. |