CN104235777B - A kind of photo engine module that can freely replace COB light source and reflective glass component - Google Patents
A kind of photo engine module that can freely replace COB light source and reflective glass component Download PDFInfo
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- CN104235777B CN104235777B CN201410457640.5A CN201410457640A CN104235777B CN 104235777 B CN104235777 B CN 104235777B CN 201410457640 A CN201410457640 A CN 201410457640A CN 104235777 B CN104235777 B CN 104235777B
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- bowl cover
- light source
- cob light
- glass component
- reflective glass
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Abstract
The present invention relates to a kind of photo engine module that can freely replace COB light source and reflective glass component, belongs to LED illumination lamp technical field.The photo engine module includes radiator, COB light source, COB light source support, and also including reflective glass component, bowl cover and collar, the reflective glass component is mutually offseted with COB light source support by bowl cover；The bowl cover includes bowl cover cup and bowl cover flange, the bowl cover flange is arranged at one end of bowl cover cup, and location hole is provided with the bowl cover flange, and the collar is provided with the BOSS locating dowel corresponding with location hole, while the other end circumferentially arranged heat dissipation channel that have more than one group of the bowl cover cup relative to bowl cover flange.The present invention can not only vertical convection bidirectional cooling, and simple structure, low cost, while its bowl cover is conveniently replaceable, low production cost.
Description
Technical field
The present invention relates to field of illuminating lamps, more particularly, to a kind of COB light source and reflective glass component freely can replaced
The LED illumination lamp technical field of photo engine die set.
Background technology
The most of integrated designs of existing LED down, in order to tend to Zhaga standardisation requirements, people in the industry
Scholar starts to design photo engine modular structure one after another, modular method for designing one changing traditional integrated design, two
Lay a good foundation subsequently to set up photo engine standard, be allowed to tend to standardized design.
The LED down for occurring on the market is made a general survey of, great majority are also introduced into modularity design, there are some relatively advanced
Photo engine this design concept is introduced, some LED engine Down lamps is also successfully manufactured that, but most of LED engines is all
Have such-and-such imperfect, it is this it is imperfect be also in developmental stage mainly due to this technology, fail to obtain relatively good
Precipitation.
The LED engine Down lamps for occurring at present on the market are mainly reflected in：1. modularized design-i.e. introduces photo engine theory
All employ this method for designing.2. passive radiating-be by radiator itself and aerial conduction, radiation and right
Stream.3. the unipolarity of heat dissipation direction-i.e. engine heat dissipation direction is vertically upward.4. engine modules quality it is big-i.e. can not be effective
The big quality that the large volume of control COB types is brought.
China Patent No. discloses a kind of LED down for the patent of 201320328516.X.Including photo engine module and cover
Body, photo engine module include radiator, light source, reflection shield and housing, and the thermal vias of housing cavity are communicated with radiator,
Some air vents are provided with housing.When in use, inside and outside housing pressure is different so that it is right that the gas inside and outside housing is produced
Stream, a part of heat are directly distributed from air vent and thermal vias, and another part heat is distributed by radiator, tool
There is good radiating effect, extend the service life of Down lamp.Fastening bar, the inner side of cover body are fixedly installed on the outside of housing in addition
It is fixedly installed and buckles the fastening groove that bar is adapted, the invention can fixes group by buckling bar and buckling groove to rotate against
Close, closely combine by being not required to by professional tool, its simple structure, installation are combined and easy to maintenance.Although which solving scattered
The unipolarity one in hot direction, realize up and down can heat loss through convection, but the presence of the invention has problems with：Due to ordinary circumstance
Under be the height of reflection shield (being also called reflective glass component) be certain, made, the client for using be it is uncontrollable,
When needing to change the COB light source of other brands, it would be desirable to again with corresponding reflection shield, the reflection shield for matching again can shadow
The use of the original housing (being also called bowl cover) of sound, it is therefore desirable to change bowl cover, and the complex manufacturing of this bowl cover, cost
Comparison is high, and as the COB light source of each brand is different, therefore reflection shield of its pairing is also different, therefore can not possibly be each
Plant COB light source and all produce corresponding bowl cover, and be individually for a certain COB light source production bowl cover, mould of its production needs to determine again
System, therefore its replacement cost is high.
Thus in order to preferably being radiated using vertical convection and making the air inside and outside ceiling be circulated, and also
Engine can be accomplished more lightweight and inexpensive can change other brand COB light sources, these need the part of improvement
With cost-effective from very big degree, so as to preferably promote product, therefore to optimize this structure design be very necessary.
The content of the invention
Deficiency of the present invention for the problems referred to above, proposes a kind of can freely replace COB light source and the light of reflective glass component draws
Module is held up, the device not only has good heat dissipation, simple structure, inexpensive feature, and can freely replace COB light source and reflective
Cup assembly.
The present invention is that the technical scheme for solving above-mentioned technical problem proposition is：One kind can freely replace COB light source and reflective
The photo engine module of cup assembly, the photo engine module include radiator, COB light source, COB light source support, the radiator
The first air vent is provided with base plate, more than the one group COB light source for installing different model on the radiator, is provided with
Frame screw thread hole, the COB light source are connected in base plate of radiator in the heart by COB light source support, and the COB light source support
It is threadedly coupled on a heat sink by COB light source rack screw and screw thread hole；Also include reflective glass component, bowl cover and collar,
The reflective glass component is connected with the lower end of COB light source support, and the reflective glass component is arranged at the interior intracavity of bowl cover, and institute
State reflective glass component mutually to offset with COB light source support by the lower end of bowl cover；The bowl cover includes that bowl cover cup and bowl cover are turned over
Side, the bowl cover flange are arranged on the upper end of bowl cover cup, and the bowl cover flange and are provided with location hole, and the collar sets
Be equipped with the BOSS locating dowel corresponding with location hole, at the same the surface of the bowl cover cup it is circumferentially arranged have more than one group dissipate
The passage of heat；The bowl cover is engaged with the BOSS locating dowels on collar by the location hole on bowl cover flange and is fixed on radiator
On, while the bowl cover cup passes through collar relative to the other end of bowl cover flange, and the collar is located at radiator with radiating
Between passage.
Further：Also include cover body, the interior survey of the cover body is provided with fastening groove, and is provided with the collar and button
Tight groove is engaged fastening bar, and the cover body is snapped onto on photo engine module by buckling bar and buckling groove rotation.
Further：Also include packing ring, the packing ring be located at bowl cover lower end, and the packing ring be located at reflective glass component with
Between bowl cover, while the reflective glass component is mutually offseted with COB light source support by the lower end of bowl cover.
Preferably：The group number of the heat dissipation channel is three groups, and three groups of heat dissipation channels are circumferentially equal on bowl cover cup
Even distribution, every group of heat dissipation channel include 3 bar shaped louvres.
Preferably：The material of described bowl cover is 1070# aluminum and is made using sandblasting anode oxidation process.
Preferably：The COB light source support is fixed on a heat sink by COB rack screws.
Preferably：The radiator passes through BOSS locating dowels on countersunk head self-tapping screw and collar and coordinates so that bowl cover is by card
Circle is mutually fixed with radiator.
Preferably：The number of the location hole is four, and the location hole is uniformly distributed circumferentially on bowl cover flange.
A kind of photo engine module that can freely replace COB light source and reflective glass component of the present invention, compared to existing technology, tool
There is following beneficial effect：
1. as more than the one group COB light source support screw thread hole for installing different model is provided with the radiator,
The COB light source is connected in base plate of radiator in the heart by COB light source support, and the COB light source support passes through COB light
Source rack screw and screw thread hole are threadedly coupled on a heat sink, simultaneously as the bowl cover includes bowl cover cup and bowl cover flange,
The bowl cover flange is arranged on the upper end of bowl cover cup, and the bowl cover flange and is provided with location hole, and the collar is arranged
There is the BOSS locating dowel corresponding with location hole, while the circumferentially arranged radiating for having more than a group in the surface of the bowl cover cup
Passage；The bowl cover is engaged with the BOSS locating dowels on collar by the location hole on bowl cover flange to be fixed on a heat sink,
The bowl cover cup passes through collar relative to the other end of bowl cover flange simultaneously, and the collar is located at radiator and heat dissipation channel
Between；Therefore, when COB light source is with heat dissipation device combination, COB light source is wrapped up by the locating slot of COB light source support, and is aligned
The COB light source support screw thread hole arranged on radiator, it is tightly fixed on radiator, reflective glass component is inserted bowl cover
It is interior, after the BOSS locating dowels alignment bowl cover on collar is located at into the location hole at flange, insert locating dowel on reflective glass component
Enter in the spacing hole of COB light source support, allow reflector to be pushed against by bowl cover and COB light source support, locked positioned at radiator back afterwards
The countersunk head self-tapping screw in portion, makes entirety become a photo engine module, when needing to change the COB light source of other brand and models,
The COB light source support screw thread hole being correspondingly arranged on a heat sink need to be looked for only, the replacement of light source is completed immediately.And use what is substituted
During reflective glass component, other brand marketers generally can be all looked for level off to the reflective glass component of original size, reflective glass component is usual
It is identical to be that light-emitting window diameter can find, but height cannot be matched, and bowl cover we can be controlled from mould, even if
Be new mold be also pole bottom cost, this be the die-casting die that occurs on the market at present and injection molding be all beyond one's reach can be with spirit
The method of change living, therefore its replacement cost is cheap, thus COB light source and reflective glass component freely can be changed.
2. as the present invention is provided with radiator and bowl cover, other end edge week of the bowl cover cup relative to bowl cover flange
To the heat dissipation channel for being provided with more than a group, therefore LED engine groups can be allowed to possess super good vertical convection, engine internal due to
Caused by the rising of temperature, internal pressure increase is so as to producing " drawing wind scorpion ", take away more heats, this heat of taking away
Mode is two-way, therefore good heat dissipation, while radiator can be allowd to obtain less volume.
3. as described bowl cover is 1070# aluminum and is made using sandblasting anode oxidation process, therefore and donut
, because aluminium plate possesses ultralight quality, this is that aluminum is squeezed in die casting and plastic cement donut is beyond one's reach for itself.More it is worth mentioning
, this bowl cover donut can using mould control its height (even Kai Xinmo is also very cheap), when need change its
During his brand COB light source, the expense in terms of mould can be controlled effectively, and be 1070# aluminum additionally, due to bowl cover, therefore
Its good heat conductivity, easily radiates.
4. due to being provided with packing ring, therefore when the length of the reflective glass component changed is less than the length of bowl cover, can pass through
Increasing packing ring causes the connection between reflector group and bowl cover compacter, without the bowl cover for changing its corresponding length, therefore
With replacing other brand COB light sources of low cost, that is, the COB light source and reflective glass component of other brand styles can be changed not
Need to put into again mould.
5. coordinate so that bowl cover is by card as the radiator passes through BOSS locating dowels on countersunk head self-tapping screw and collar
Circle is mutually fixed with radiator, and the number of the location hole on the collar is four, therefore 4 spiral shells are also relied solely in terms of assembling
Silk completes smoothly installation, while radiating and low cost is met, will not also reduce production efficiency.
6. the diminution of radiator volume and the holding of production efficiency be so as to cause the decline of whole lamp cost, so as to more preferable quilt
Client receives, and has vital effect to the market-oriented Rapid Popularization of whole lamp.
In sum, the present invention can not only freely replace COB light source and reflective glass component, vertical convection bidirectional cooling,
And simple structure, it is with low cost.
Description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention；
Fig. 2 is the STRUCTURE DECOMPOSITION state diagram of the embodiment of the present invention；
Structural representations of the Fig. 3 for collar；
Structural representations of the Fig. 4 for louvre；
Radiating when Fig. 5 is the use for the present embodiment flows to schematic diagram；
Wherein：1 is countersunk head self-tapping screw, and 2 is radiator, and 21 is the first air vent, and 3 is COB light source, and 4 is COB
Light source bracket, 5 is COB rack screws, and 6 is reflective glass component, and 7 is bowl cover, and 71 is bowl cover cup, and 72 is bowl cover flange,
73 is location hole, and 74 is louvre, and 8 is collar, and 81 to buckle bar, and 82 is BOSS locating dowels, and 9 is cover body, and 10 is light
Engine module, 12 is body of wall.
Specific embodiment
For the ease of the understanding of those skilled in the art, the present invention is made further with accompanying drawing with reference to embodiment
It is bright, the content that embodiment is referred to not limitation of the invention.
Embodiment
A kind of photo engine module that can freely replace COB light source and reflective glass component of the present embodiment, as Figure 1-4,
The photo engine module 10 includes radiator 2, COB light source 3, COB light source support 4, and is provided with the base plate of the radiator 2
One air vent 21, is provided with more than the one group COB light source support screw thread hole for installing different model, institute on the radiator 2
State COB light source 3 to be connected in the base plate of radiator 2 in the heart by COB light source support 4, and the COB light source support 4 passes through
COB light source rack screw and screw thread hole are threaded on radiator 2；Also include reflective glass component 6, bowl cover 7 and collar 8,
The reflective glass component 6 is connected with the lower end of COB light source support 4, and the reflective glass component 6 is arranged at the interior intracavity of bowl cover 7,
And the reflective glass component 6 is mutually offseted with COB light source support 4 by the lower end of bowl cover 7；The bowl cover 7 includes bowl cover cup
71 and bowl cover flange 72, the bowl cover flange 72 is arranged on the upper end of bowl cover cup 71, and the bowl cover flange 72 and is provided with
Location hole 73.The collar 8 is provided with the BOSS locating dowel 82 corresponding with location hole 73, while the table of the bowl cover cup 71
The circumferentially arranged heat dissipation channel for having more than a group in face；The bowl cover 7 is by the location hole 73 and collar 8 on bowl cover flange 72
BOSS locating dowels 82 be engaged and be fixed on radiator 2, while the bowl cover cup 71 is relative to the another of bowl cover flange 72
End is located between radiator 2 and heat dissipation channel through collar 8, and the collar 8.
Also include cover body 9, the interior survey of the cover body 9 is provided with fastening groove, and is provided with the collar 8 and buckles groove phase
Coordinate and buckle bar 81, the cover body 9 is snapped onto on photo engine module 10 by buckling bar 81 and buckling groove rotation.
Also include packing ring, the packing ring is located at the lower end of bowl cover 7, and the packing ring be located at reflective glass component 6 and bowl cover 7 it
Between, while the reflective glass component 6 is mutually offseted with COB light source support 4 by the lower end of bowl cover 7.
The group number of the heat dissipation channel is three groups, and three groups of heat dissipation channels are uniformly distributed circumferentially on bowl cover cup,
Every group of heat dissipation channel includes 3 bar shaped louvres 74.
The material of described bowl cover 7 is 1070# aluminum, or the material of bowl cover 7 is the solid metal such as ferrum, copper, and is adopted
Sandblasting anode oxidation process is made.
The COB light source support 4 is fixed on radiator 2 by COB rack screws 5.
The radiator 2 passes through BOSS locating dowels 82 on countersunk head self-tapping screw 1 and collar 8 and coordinates so that bowl cover 7 is by card
Circle 8 is mutually fixed with radiator 2.
The number of the location hole 73 is four, and the location hole 73 is uniformly distributed circumferentially on bowl cover flange 72.
When radiator 2 is combined with bowl cover 7 and collar 8, bowl cover cup 71 is passed through from the centre bore of collar 8, by collar 8
4 BOSS locating dowels 82 alignment bowl covers 7 be located at bowl cover flange 72 and have 4 circular mounting location holes 73, make bowl cover 7 and collar
8 plane-plane contacts, install COB light source 3, COB light source support 4, COB rack screws 5, reflective glass component 6 on radiator 2.Afterwards will
Bowl cover 7 and 8 assembly of collar are directed at the location hole of radiator 2, are allowed to synthesize an entirety, lock 4 countersunk head self tapping spiral shells afterwards
Silk 1 makes photo engine module 10.
As shown in figure 5, for the present embodiment use when radiating flow to schematic diagram；When COB light source 3 is used, due to COB
Light source 3 produces heat, therefore heat can be conducted to radiator 2, therefore air can be circulated by three paths, realizes three
Road is radiated, and branch road is the space along between cover body 9 and bowl cover 7, enters into bowl cover 7, reflector group by louvre 74
The space formed between part 6 and radiator 2, is then entered in radiator 2 by the first air vent 21 on radiator 2,
The heat of radiator 2 is taken away, radiating is realized.Another branch road be by gap structure between bowl cover 7 and reflective glass component 6,
Heat is realized into radiating by flowing out inside bowl cover 7, although, but bowl cover is in application by its hot-fluid of outflow heat on bowl cover upwards
When outside the ceiling with air contact below so that the heat for being transferred again to bowl cover via radiator is able to
It is bigger possibly toward inside air to radiate and conduct, cooling effect can be also realized by bowl cover.The last item is existed when COB light source
When lighting, radiator is contacted the heat to, directly radiated by the fin of 2 back length of radiator.Therefore the present invention can realize many
To radiating, therefore its good heat dissipation effect.
In the present embodiment, the photo engine module 10 for assembling has a sound construction, the distinguishing feature such as lightweight, mainly because
A part of heat has been shared for radiator 2 for bowl cover 7 so that radiator 2 can be designed to volume less, if bowl cover 7
The radiating of vertical downward direction can not be realized, 2 volume of radiator cannot be made to diminish, and bowl cover 7 it is inner need dispose reflecting assembly
6, therefore will not increase the volume of whole lamp, the cover body 9 (or referred to as cover) to original photo engine module 10 for occurring on the market
The space of integrated design does not have any increase, contrary this split-type design：When the COB light source 3 for needing other brands of replacing
When, we are generally required again with corresponding reflective glass component 6, are generally the highly uncontrollable of reflector 6, institute
Can affect the use of original bowl cover 7, and the bowl cover 7 of the present embodiment is using the spinning process of low cost, and which highly can be from
It is controlled on mould, even if needing new die sinking to be also very low cost, that is to say, that using the reflective glass component for being substituted
When 6, other brand marketers generally can be all looked for level off to the reflective glass component 6 of original size, reflective glass component 6 is typically light-emitting window
Diameter can find it is identical, but height cannot match, and bowl cover 7 we can be controlled from mould, even newly opening
Mould is also the cost at pole bottom, and this is that the current die-casting die for occurring on the market and injection molding are all beyond one's reach and flexibly can change
Method, therefore replacement cost is cheap.
1. due to being provided with bowl cover in the present invention, and bowl cover material is metal material, this mean that cup section into
Type can be realized by spinning process, and spinning process has the feature to be：Its shaping dies can be with when making
Be made it is slightly longer, as long as the not higher than size of the length of mould, can be by adjusting the size of blanking obtaining needs
Size, this just saves mould for the product of follow-up different length, saves cost.
2., as hole various types of on described bowl cover will be produced on single mould, this allows for all of punching
Mould does not each independently interfere with each other, and when from various sizes of bowl cover, these are individually present non-interfering perforating die and just play
Effect, makes it possible to be used without again with opening new punch die.
3., as described bowl cover can use ultralight pure aluminum metal, it is possible to obtain ultralight quality, this is that die casting is squeezed
Aluminum and plastic cement donut are beyond one's reach, and have at one and design for flange on bowl cover, and flange is plane, this plane and radiator it is flat
Face is close together when assembling mutually so that bowl cover can help take away a part of heat.
4. as described reflector is located in bowl cover, caught by the edge in bowl cover, the other end is buckled in going out for COB supports
At optical port, formation holds out against, and when various sizes of reflector is changed, can change because of the height of reflector tight or loose,
Cause to install, but bowl cover before can be control size, solve this problem well.
5. due to can and be provided with described radiator for installing the COB light source support spiral shell of different brands model
Tooth hole, can be some groups, can be mounted directly the light source of other brands on a heat sink, both be increased without machining and ensureing
The simplicity of structure, while radiating low cost is met, does not interfere with efficiency yet, as part is without new input mould
Tool, so as to cause that bigger cost input is brought during product up-gradation, quickly introduces to the market to whole lamp and serves facilitation
In sum, the present invention can not only freely replace COB light source and reflector, and simple structure, good heat dissipation, it is low into
This, easy care.
Embodiments of the present invention are merely to illustrate above in conjunction with the preferred embodiment of the present invention described by accompanying drawing, and
Not as the restriction to aforementioned invention purpose and claims content and scope, every technical spirit according to the present invention
To any simple modification made for any of the above embodiments, equivalent variations and modification, still belong to the technology of the present invention and rights protection category.
Claims (7)
1. a kind of photo engine module that can freely replace COB light source and reflective glass component, the photo engine module include radiator,
COB light source, COB light source support, are provided with the first air vent on the base plate of the radiator, it is characterised in that：The radiator
On be provided with more than one group for installing the COB light source support screw thread hole of different model, the COB light source is propped up by COB light source
Frame is connected in base plate of radiator in the heart, and the COB light source support passes through COB light source rack screw and screw thread hole screw thread connects
Connect on a heat sink；Also include the lower end of reflective glass component, bowl cover and collar, the reflective glass component and COB light source support
Connection, and the reflective glass component is arranged at the interior intracavity of bowl cover, and the reflective glass component by the lower end of bowl cover and COB light
Source support mutually offsets；The bowl cover includes bowl cover cup and bowl cover flange, and the bowl cover flange is arranged at the upper of bowl cover cup
End, and location hole is provided with the bowl cover flange, and the collar is provided with the BOSS locating dowel corresponding with location hole, together
The circumferentially arranged heat dissipation channel for having more than a group in surface of Shi Suoshu bowl cover cups；The bowl cover is by determining on bowl cover flange
Position hole is engaged with the BOSS locating dowels on collar to be fixed on a heat sink, while the bowl cover cup is relative to bowl cover flange
The other end passes through collar, and the collar to be located between radiator and heat dissipation channel.
2. the photo engine module of COB light source and reflective glass component freely can be replaced according to claim 1, it is characterised in that：
Also include cover body, the interior survey of the cover body is provided with fastening groove, and to be provided with the collar and fastening bar is engaged with fastening groove,
The cover body is snapped onto on photo engine module by buckling bar and buckling groove rotation.
3. the photo engine module of COB light source and reflective glass component freely can be replaced according to claim 2, it is characterised in that：
Also include packing ring, the packing ring is located at the lower end of bowl cover, and the packing ring is located between reflective glass component and bowl cover, while described
Reflective glass component is mutually offseted with COB light source support by the lower end of bowl cover.
4. the photo engine module of COB light source and reflective glass component freely can be replaced according to claim 2, it is characterised in that：
The group number of the heat dissipation channel is three groups, and three groups of heat dissipation channels are uniformly distributed circumferentially on bowl cover cup, described per group
Heat dissipation channel includes 3 bar shaped louvres.
5. the photo engine module of COB light source and reflective glass component freely can be replaced according to claim 3, it is characterised in that：
The material of described bowl cover is 1070# aluminum and is made using sandblasting anode oxidation process.
6. the photo engine module of COB light source and reflective glass component freely can be replaced according to claim 5, it is characterised in that：
The radiator passes through BOSS locating dowels on countersunk head self-tapping screw and collar and coordinates so that bowl cover is mutually solid with radiator by collar
It is fixed.
7. the photo engine module of COB light source and reflective glass component freely can be replaced according to claim 5, it is characterised in that：
The number of the location hole is four, and the location hole is uniformly distributed circumferentially on bowl cover flange.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410457640.5A CN104235777B (en) | 2014-09-09 | 2014-09-09 | A kind of photo engine module that can freely replace COB light source and reflective glass component |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410457640.5A CN104235777B (en) | 2014-09-09 | 2014-09-09 | A kind of photo engine module that can freely replace COB light source and reflective glass component |
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| CN104235777A CN104235777A (en) | 2014-12-24 |
| CN104235777B true CN104235777B (en) | 2017-04-05 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105889783A (en) * | 2016-06-12 | 2016-08-24 | 湖南明和光电设备有限公司 | Novel high power planoconvex lens projector lamp |
| CN108561859A (en) * | 2018-06-29 | 2018-09-21 | 黄山谷捷散热科技有限公司 | Heat spreader structures |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US8278841B2 (en) * | 2009-07-02 | 2012-10-02 | Innovations In Optics, Inc. | Light emitting diode light engine |
| JP5880137B2 (en) * | 2012-02-29 | 2016-03-08 | 日亜化学工業株式会社 | Lighting device |
| CN202938068U (en) * | 2012-09-17 | 2013-05-15 | 东莞勤上光电股份有限公司 | Welding type chip on board (COB)-light emitting diode (LED) light source module |
| CN203322799U (en) * | 2013-06-08 | 2013-12-04 | 东莞勤上光电股份有限公司 | LED (Light Emitting Diode) down lamp |
| CN204084230U (en) * | 2014-09-09 | 2015-01-07 | 百家丽（中国）照明电器有限公司 | A kind of photo engine module freely can replacing COB light source and reflective glass component |
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