CN109488900A - A kind of water cooling radiating type high-capacity LED bulb lamp - Google Patents
A kind of water cooling radiating type high-capacity LED bulb lamp Download PDFInfo
- Publication number
- CN109488900A CN109488900A CN201811486475.0A CN201811486475A CN109488900A CN 109488900 A CN109488900 A CN 109488900A CN 201811486475 A CN201811486475 A CN 201811486475A CN 109488900 A CN109488900 A CN 109488900A
- Authority
- CN
- China
- Prior art keywords
- heat radiation
- radiation rack
- lamp
- water cooling
- aluminum substrate
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
- F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
- F21K9/232—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings specially adapted for generating an essentially omnidirectional light distribution, e.g. with a glass bulb
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
- F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
- F21K9/235—Details of bases or caps, i.e. the parts that connect the light source to a fitting; Arrangement of components within bases or caps
-
- 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
- F21V29/56—Cooling arrangements using liquid coolants
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/60—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
-
- 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
- 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)
Abstract
The invention discloses a kind of water cooling radiating type high-capacity LED bulb lamps, include successively from top to bottom lampshade, round table-like lamp holder, cylindric shell and round table-like pedestal, the lateral wall of the shell are additionally provided with power connection.It is mainly characterized by water cooling and improves the heat dissipation area of heat radiation rack, fin can increase heat dissipation area, round frame bonds together with aluminum substrate, for absorbing the heat of aluminum substrate, heat radiation rack II is bent to form radiating groove and improves heat dissipation area by itself, and the surface of shaft has thread groove, water layer can be transmitted, then smaller water droplet is formed under the action of fan, water droplet is attached on heat radiation rack I and heat radiation rack II, realizes quickly cooling.
Description
Technical field
The present invention relates to the technical field of LED light more particularly to a kind of water cooling radiating type high-capacity LED bulb lamps.
Background technique
In LED field, heat dissipation problem perplexs always numerous research staff, since the LED operation time is long, lamp body encapsulation
Space it is smaller and smaller, heat dissipation problem will protrude, traditional LED light Lamp cup periphery setting cooling fin radiate, and
For LED light, power supply be it is essential, general power supply bucket is arranged on lamp cap, and between lamp cap and LED chip
Distance it is very short, between be typically all one piece of fixed plate separate, LED chip generate heat need by cooling fin radiate when
It waits, heat runs past lamp cap, and the power supply of lamp cap setting is due to itself certain heat that works long hours, in addition LED chip
Heat is possible to so that power source life reduces.
One of the key factor for extending the LED light service life is exactly to reduce the junction temperature of LED light, the radiator needed, so as to
Timely the heat that LED light generates is distributed.Chip, in the manufacturing process of LED light, the pollution of other impurities ion,
The technical process such as lattice defect can all influence the LED light service life, wherein there are also packaging technology, and the one of influence LED light service life is big
Key factor.
In the case that long-time is practical in high-power LED lamp, heat can increasingly come, and only carry out from heat radiation rack
Radiate somewhat inadequate, present invention mainly solves be heat dissipation problem of the high-powered LED lamp for a long time in practical situation.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of water cooling radiating type high-capacity LED bulb lamps, mainly solve
It is the heat dissipation problem in the practical situation of high-powered LED lamp long-time.
The present invention is realized by following technological means solves above-mentioned technical problem:
A kind of water cooling radiating type high-capacity LED bulb lamp from top to bottom successively includes lampshade, round table-like lamp holder, cylinder
The shell of shape and round table-like pedestal, the lateral wall of the shell are additionally provided with power connection；The lower side and lamp of the lampshade
The upper side edge clamping of seat, the lower side of the lamp holder and the upper side edge integrally connected of shell, the lower side and pedestal of the shell
Upper side edge integrally connected；
The upper plane of the lamp holder is provided with lamp bracket, and the lamp bracket is rounded, is evenly arranged with several on the lamp bracket
Round table-like light trough is provided with LED lamp bead in the light trough, and the lamp holder is internally provided with circular aluminum substrate, several
The LED lamp bead is installed on aluminum substrate, and the aluminum substrate is located at the underface of lamp bracket；
It is provided with heat radiation rack I, heat radiation rack II and power panel in the shell, is provided with immediately below the heat radiation rack I scattered
The upside of hot frame II, the heat radiation rack I and the downside of aluminum substrate are affixed by adhesive layer, the upper, lower tube of the heat radiation rack II
Mouth seals, and is equipped with the power panel in the internal cavities of the heat radiation rack II；
Be provided with motor, flabellum and water layer in the pedestal, the motor is fixed on the bottom heat radiation rack II, the motor with
Cooperated between flabellum by rotating shaft transmission, the lower end of the shaft extends in water layer, and the power panel is electrically connected with power connection
It connects, the power panel is electrically connected with aluminum substrate, and the power panel is electrically connected with motor.
Preferably, the heat radiation rack I includes the round frame cyclic annular fin different with several diameters, several described fins
Coaxial arrangement, the upside of several fins and the downside integrally connected of round frame, the upper side and aluminium of the round frame
The downside of substrate is affixed by adhesive layer, and the inside of several and described fin and round frame has been wholely set cavity layer, described
Inorganic powder is filled in cavity layer.
Preferably, the heat radiation rack II is cylindrical, the side wall of the heat radiation rack II be recessed to axis to be formed several dissipate
Heat channel, several described radiating groove ring axis are uniformly distributed.
Preferably, the LED lamp bead includes resin lens, and anode tap, cathode leg are provided in the resin lens
And chip.
Preferably, the inner sidewall of the light trough is provided with reflective layer.
Preferably, the surface of the shaft is provided with thread groove.
The present invention has the advantages that of the invention be mainly characterized by water cooling and improve the heat dissipation area of heat radiation rack, wherein
Heat radiation rack I includes round frame and fin, is provided with cavity simultaneously in round frame and fin, and be interconnected between cavity, empty
Inorganic powder is filled in chamber, inorganic powder can mitigate for entity for transmitting heat and absorbing heat
The weight of finished product light bulb, fin can increase heat dissipation area, and round frame bonds together with aluminum substrate, for absorbing aluminum substrate
Heat.Heat radiation rack II is bent to form radiating groove and improves heat dissipation area by itself, and heat radiation rack I and heat radiation rack II be installed in
In the shell of sealing, base bottom is provided with fan and water layer, flows gas in shell by the rotation of fan, meanwhile, turn
The surface of axis has thread groove, water layer can be transmitted, then form smaller water droplet under the action of fan, water droplet is attached
On heat radiation rack I and heat radiation rack II, realize quickly cooling, due to be sealing shell, so water layer will not be reduced.
Detailed description of the invention
Fig. 1: for schematic structural view of the invention.
Fig. 2: for heat radiation rack I bottom view of the present invention.
Fig. 3: for heat radiation rack I structural schematic diagram of the present invention.
Fig. 4: for inventive shell cross-sectional plan view.
Fig. 5: for LED lamp bead structural schematic diagram of the present invention.
Fig. 6: for pivot structure schematic diagram of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
Up, down, left, right, before and after herein show standard both with respect to Fig. 1.
Embodiment:
A kind of water cooling radiating type high-capacity LED bulb lamp as shown in Figure 1: from top to bottom successively includes lampshade 1, round table-like
Lamp holder 2, cylindric shell 3 and round table-like pedestal 4, the lateral wall of the shell 3 are additionally provided with power connection 5；It is described
The lower side of lampshade 1 and the upper side edge of lamp holder 2 are clamped, the lower side of the lamp holder 2 and the upper side edge integrally connected of shell 3, institute
State the lower side of shell 3 and the upper side edge integrally connected of pedestal 4；
The upper plane of the lamp holder 2 is provided with lamp bracket 21, and the lamp bracket 21 is rounded, is evenly arranged on the lamp bracket 21
Several round table-like light troughs 22 are provided with LED lamp bead 6 in the light trough 22, and the lamp holder 2 is internally provided with circular aluminium
Substrate 23, several described LED lamp beads 6 are installed on aluminum substrate 23, and the aluminum substrate 23 is located at the underface of lamp bracket 21；
Heat radiation rack I 7, heat radiation rack II 8 and power panel 31, the underface of the heat radiation rack I 7 are provided in the shell 3
It is provided with heat radiation rack II 8, the upside of the heat radiation rack I 7 and the downside of aluminum substrate 23 are affixed by adhesive layer 24, described to dissipate
The upper and lower nozzle of hot frame II 8 seals, and the power panel 31 is equipped in the internal cavities of the heat radiation rack II 8；
Motor 41, flabellum 42 and water layer 43 are provided in the pedestal 4, the motor 41 is fixed on 8 bottom heat radiation rack II
Portion, by the transmission cooperation of shaft 44 between the motor 41 and flabellum 42, the lower end of the shaft 44 is extended in water layer 43, institute
It states power panel 31 to be electrically connected with power connection 5, the power panel 31 is electrically connected with aluminum substrate 23, the power panel 31 and motor 41
Electrical connection.
As shown in Figure 2 and Figure 3: the heat radiation rack I 7 includes the cyclic annular fin 72 different with several diameters of round frame 71,
Several described fins 72 are coaxially disposed, the upside of several fins 72 and the downside integrally connected of round frame 71, institute
State round frame 71 upper side and aluminum substrate 23 downside by adhesive layer 24 it is affixed, several and described fin 72 and round frame
71 inside has been wholely set cavity layer 73, is filled with inorganic powder in the cavity layer 73.
As shown in Figure 4: the heat radiation rack II 8 is cylindrical, if the side wall of the heat radiation rack II 8 is recessed to be formed to axis
Dry radiating groove 81, several described 81 ring axis of radiating groove are uniformly distributed.
As shown in Figure 5: the LED lamp bead 6 includes resin lens 61, is provided with anode tap in the resin lens 61
62, cathode leg 63 and chip 64.
The inner sidewall of the light trough 22 is provided with reflective layer 65.
As shown in Figure 6: the surface of the shaft 44 is provided with thread groove 45.
Of the invention to be mainly characterized by water cooling and improve the heat dissipation area of heat radiation rack, wherein heat radiation rack I7 includes round frame
71 and fin 72, cavity is provided with simultaneously in round frame 71 and fin 72, and be interconnected between cavity, be filled in cavity
Inorganic powder, inorganic powder can mitigate finished product light bulb for transmitting heat and absorbing heat for entity
Weight, fin 72 can increase heat dissipation area, and round frame 71 bonds together with aluminum substrate 23, for absorbing the heat of aluminum substrate 23
Amount.Heat radiation rack II 8 is bent to form radiating groove 81 and improves heat dissipation area by itself, and heat radiation rack I 7 and heat radiation rack II 8 be equal
It is mounted in the shell 3 of sealing, 4 bottom of pedestal is provided with fan 42 and water layer 43, makes gas in shell 3 by the rotation of fan 42
Body flowing, meanwhile, the surface of shaft 44 has thread groove 45, water layer 43 can be transmitted, then in the effect of fan 42
Lower to form smaller water droplet, water droplet is attached on heat radiation rack I 7 and heat radiation rack II 8, realizes quickly cooling, due to being sealing
Shell, so water layer will not be reduced.
It should be noted that, in this document, such as first and second or the like relational terms are used merely to one if it exists
A entity or operation with another entity or operate distinguish, without necessarily requiring or implying these entities or operation it
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant are intended to
Cover non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or setting
Standby intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in the process, method, article or apparatus that includes the element.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these modification or
Replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (6)
1. a kind of water cooling radiating type high-capacity LED bulb lamp, it is characterised in that: from top to bottom successively include lampshade, round table-like
Lamp holder, cylindric shell and round table-like pedestal, the lateral wall of the shell are additionally provided with power connection；Under the lampshade
The clamping of the upper side edge of side and lamp holder, the lower side of the lamp holder and the upper side edge integrally connected of shell, the downside of the shell
The upper side edge integrally connected on side and pedestal；
The upper plane of the lamp holder is provided with lamp bracket, and the lamp bracket is rounded, several rotary tables are evenly arranged on the lamp bracket
The light trough of shape is provided with LED lamp bead in the light trough, and the lamp holder is internally provided with circular aluminum substrate, described in several
LED lamp bead is installed on aluminum substrate, and the aluminum substrate is located at the underface of lamp bracket；
It is provided with heat radiation rack I, heat radiation rack II and power panel in the shell, is provided with heat radiation rack immediately below the heat radiation rack I
The upside of II, the heat radiation rack I and the downside of aluminum substrate are affixed by adhesive layer, and the upper and lower nozzle of the heat radiation rack II is equal
It seals, the power panel is installed in the internal cavities of the heat radiation rack II；
Motor, flabellum and water layer are provided in the pedestal, the motor is fixed on the bottom heat radiation rack II, the motor and flabellum
Between cooperated by rotating shaft transmission, the lower end of the shaft extends in water layer, and the power panel is electrically connected with power connection, institute
It states power panel to be electrically connected with aluminum substrate, the power panel is electrically connected with motor.
2. a kind of water cooling radiating type high-capacity LED bulb lamp according to claim 1, it is characterised in that: the heat radiation rack I packet
Include the round frame cyclic annular fin different with several diameters, several described fins coaxial arrangements, several fins it is upper
The downside integrally connected of side and round frame, the upper side of the round frame and the downside of aluminum substrate are affixed by adhesive layer,
The inside of several and described fin and round frame has been wholely set cavity layer, is filled with inorganic powder in the cavity layer.
3. a kind of water cooling radiating type high-capacity LED bulb lamp according to claim 1, it is characterised in that: the heat radiation rack II
Cylindrical, the side wall of the heat radiation rack II is recessed to form several radiating grooves to axis, several described radiating groove ring axis
It is uniformly distributed.
4. a kind of water cooling radiating type high-capacity LED bulb lamp according to claim 1, it is characterised in that: the LED lamp bead packet
Resin lens are included, anode tap, cathode leg and chip are provided in the resin lens.
5. a kind of water cooling radiating type high-capacity LED bulb lamp according to claim 1, it is characterised in that: the light trough it is interior
Side wall is provided with reflective layer.
6. a kind of water cooling radiating type high-capacity LED bulb lamp according to claim 1, it is characterised in that: the table of the shaft
Face is provided with thread groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811486475.0A CN109488900A (en) | 2018-12-06 | 2018-12-06 | A kind of water cooling radiating type high-capacity LED bulb lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811486475.0A CN109488900A (en) | 2018-12-06 | 2018-12-06 | A kind of water cooling radiating type high-capacity LED bulb lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109488900A true CN109488900A (en) | 2019-03-19 |
Family
ID=65709376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811486475.0A Pending CN109488900A (en) | 2018-12-06 | 2018-12-06 | A kind of water cooling radiating type high-capacity LED bulb lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109488900A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11411153B2 (en) | 2019-07-09 | 2022-08-09 | Dana Canada Corporation | Multi-sided thermal management device for electronic apparatus |
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|---|---|---|---|---|
| US20110073159A1 (en) * | 2009-09-28 | 2011-03-31 | Yu-Nung Shen | Heat Dissipating Device and Module Using Same |
| CN202938107U (en) * | 2012-11-27 | 2013-05-15 | 深圳市九洲光电科技有限公司 | Active heat dissipating bulb lamp |
| CN203516147U (en) * | 2013-09-07 | 2014-04-02 | 西安蒙德信息技术有限公司 | Ultraviolet light detecting instrument integrated temperature-control spraying fan |
| CN106439516A (en) * | 2016-10-19 | 2017-02-22 | 成都言行果科技有限公司 | High-power LED lamp with heat dissipating device |
| CN107355761A (en) * | 2017-06-30 | 2017-11-17 | 陈伟景 | A kind of heat radiator for LED illumination lamp |
| CN207729554U (en) * | 2018-01-29 | 2018-08-14 | 福建中智汇照明科技有限公司 | A kind of radiator structure and LED light of LED light |
-
2018
- 2018-12-06 CN CN201811486475.0A patent/CN109488900A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110073159A1 (en) * | 2009-09-28 | 2011-03-31 | Yu-Nung Shen | Heat Dissipating Device and Module Using Same |
| CN202938107U (en) * | 2012-11-27 | 2013-05-15 | 深圳市九洲光电科技有限公司 | Active heat dissipating bulb lamp |
| CN203516147U (en) * | 2013-09-07 | 2014-04-02 | 西安蒙德信息技术有限公司 | Ultraviolet light detecting instrument integrated temperature-control spraying fan |
| CN106439516A (en) * | 2016-10-19 | 2017-02-22 | 成都言行果科技有限公司 | High-power LED lamp with heat dissipating device |
| CN107355761A (en) * | 2017-06-30 | 2017-11-17 | 陈伟景 | A kind of heat radiator for LED illumination lamp |
| CN207729554U (en) * | 2018-01-29 | 2018-08-14 | 福建中智汇照明科技有限公司 | A kind of radiator structure and LED light of LED light |
Non-Patent Citations (1)
| Title |
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| PROF.DR–ING.HABIL.CLAUS GOBEL 等: "毛细作用", 《铁路土工建筑物手册》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11411153B2 (en) | 2019-07-09 | 2022-08-09 | Dana Canada Corporation | Multi-sided thermal management device for electronic apparatus |
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| PB01 | Publication | ||
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Application publication date: 20190319 |