CN108087735A - A kind of LED bulb of high efficiency and heat radiation - Google Patents
A kind of LED bulb of high efficiency and heat radiation Download PDFInfo
- Publication number
- CN108087735A CN108087735A CN201810034465.7A CN201810034465A CN108087735A CN 108087735 A CN108087735 A CN 108087735A CN 201810034465 A CN201810034465 A CN 201810034465A CN 108087735 A CN108087735 A CN 108087735A
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- China
- Prior art keywords
- heat
- led
- light source
- high efficiency
- led bulb
- 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.)
- Pending
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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
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
- F21V29/503—Cooling arrangements characterised by the adaptation for cooling of specific components of light sources
-
- 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
- F21V29/85—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems characterised by the material
-
- 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]
Abstract
The present invention relates to a kind of LED bulb of high efficiency and heat radiation, the shell being connected including lamp cap, with the lamp cap, the stem for being located in the shell portion, the inner casing and LED light source being connected with the stem；The shell forms the first accommodating cavity with the stem, and first accommodating cavity is internally provided with the first heat eliminating medium；The inner casing is in closed or semi-hermetic cavity body structure, and including the second accommodating cavity, second accommodating cavity is internally provided with the second heat eliminating medium.The LED bulb of high efficiency and heat radiation provided by the invention, LED light source generates substantial amounts of heat when working, it is radiated by the first heat eliminating medium and the second heat eliminating medium, the quick heat for absorbing LED and generating, makes heat not be gathered in LED chip, while utilizes the high heat conduction effect of heat-conducting gas, double-radiation function, the heat dissipation effect of LED bulb is substantially increased, extends the service life of LED bulb, the technical bottleneck of brightness can not be further added by by overcoming LED light source.
Description
Technical field
The present invention relates to a kind of lighting technical fields, and in particular, to a kind of LED bulb of high efficiency and heat radiation.
Background technology
LED bulb was widely used on the market due to its unique advantage, such as energy conservation and environmental protection, long-life etc., however,
When working due to LED chip, substantial amounts of heat can be generated, heat gathers the use that will influence LED bulb inside LED bulb
In the service life, for high-power LED bulb, the heat come out during the work time is big, and service life is radiated
The influence bigger of efficiency so that the service life with long-life LED bulb is not grown, based on this, it is thus proposed that in LED bulb
Portion sets heat dissipation gas, to improve the service life of LED bulb, however for high-power LED bulb, gas heat dissipation
Efficiency is still unable to meet demand, and heat is gathered on LED, causes chip temperature excessively high, influences the service life.Therefore, in order to match LED
The radiating efficiency of light bulb, in LED bulb the use of LED chip be restricted, brightness also can not be improved further, therefore,
It is necessary to propose a kind of LED bulb of high efficiency and heat radiation, problem above is solved.
The present invention proposes a kind of LED bulb of high efficiency and heat radiation, and heat dissipation gas and cooling fluid are internally provided in LED bulb
Body, using the high characteristic of specific heat of liquid, the quick heat for absorbing LED and generating makes heat not be gathered in LED chip, simultaneously
Using the high heat conduction effect of heat-conducting gas, double-radiation function substantially increases the heat dissipation effect of LED bulb, extends LED bulb
Service life.
The content of the invention
The present invention proposes a kind of LED bulb of high efficiency and heat radiation, and heat dissipation gas and cooling fluid are internally provided in LED bulb
Body, using the characteristic of the big specific heat capacity of liquid, the quick heat for absorbing LED and generating makes heat not be gathered in LED chip, simultaneously
Using the high heat conduction effect of heat-conducting gas, double-radiation function substantially increases the heat dissipation effect of LED bulb, extends LED bulb
Service life.
In order to solve the above-mentioned technical problem, the present invention proposes a kind of LED bulb of high efficiency and heat radiation, including lamp cap, with it is described
Shell that lamp cap is connected, the stem for being located in the shell portion, the inner casing and LED light source being connected with the stem；
The shell forms the first accommodating cavity with the stem, and first accommodating cavity is internally provided with the first heat eliminating medium；
The inner casing is in closed cavity body structure, and including the second accommodating cavity, second accommodating cavity is internally provided with second
Heat eliminating medium, first heat eliminating medium and second heat eliminating medium are different substances；
The LED light source is located at the inside of the inner casing or fits on the wall of the inner casing.
Preferably, first heat eliminating medium is heat dissipation gas.
Preferably, the heat dissipation gas is helium, oxygen or helium-oxygen gas mixture, is in the pressure of the enclosure
400-800torr。
Preferably, second heat eliminating medium is radiator liquid or heat dissipation colloid.
Preferably, second heat eliminating medium for one kind in water, conduction oil, transformer oil, silica gel or epoxy resin or
It is several.
Preferably, connection structure is further included, the connection structure at least runs through the stem.
Preferably, the LED light source is located at the inner housing inner, the connection structure include the first connection structure and with institute
State the second connection structure that the first connection structure is connected.
Preferably, first connection structure is connected with the LED light source, and stretches out outside the inner casing with described
Two connection structures are connected；
Second connection structure is connected through the stem and with the lamp cap.
Preferably, the LED light source is fitted on the wall of the inner casing, and the connection structure runs through the stem, one
End is connected with the LED light source, and the other end is connected with the lamp cap.
Preferably, the LED light source is LED COB light sources either LED filament or SMD light source.
Compared with prior art, the beneficial effects of the present invention are：
1st, the LED bulb of high efficiency and heat radiation provided by the invention, LED light source generate substantial amounts of heat when working, pass through first
Heat eliminating medium and the second heat eliminating medium radiate, first heat eliminating medium and second heat eliminating medium be respectively gas and
Liquid (or colloid), using the characteristic of the big specific heat capacity of liquid (or colloid), the quick heat for absorbing LED and generating makes heat not
It is gathered in LED chip, while using the high heat conduction effect of heat-conducting gas, double-radiation function substantially increases the heat dissipation of LED bulb
Effect extends the service life of LED bulb, and the technical bottleneck of brightness can not be further added by by overcoming LED light source.
2nd, the LED bulb of high efficiency and heat radiation provided by the invention sets the connection structure in the first connection structure and the
Two connection structures, it is unlimited convenient for first connection structure, inner casing and LED light source are used as individual light-emitting component
In the occupation mode of the present invention, convenient for the flexible use of LED light source, meet the requirement of the LED light-emitting component of different occasions,
It is convenient and efficient.
Description of the drawings
Fig. 1 is the exploded view of the LED bulb of high efficiency and heat radiation provided by the invention；
Fig. 2 is the internal structure schematic diagram of the LED bulb of high efficiency and heat radiation provided by the invention；
Fig. 3 is the exploded view of another embodiment of LED bulb of high efficiency and heat radiation provided by the invention；
Fig. 4 is the internal structure schematic diagram of another embodiment of LED bulb of high efficiency and heat radiation provided by the invention；
Fig. 5 is the heat dissipation effect figure that helium is filled in conventional LED light bulb；
Fig. 6 is the heat dissipation effect figure that helium and water are filled in the LED bulb of high efficiency and heat radiation provided by the invention.
Specific embodiment
It is below in conjunction with the accompanying drawings and preferred real in order to which those skilled in the art is made to more fully understand technical scheme
Applying example, the present invention is described in further detail.
As shown in figures 1 to 6, a kind of LED bulb of high efficiency and heat radiation, the shell 2 being connected including lamp cap 1, with the lamp cap 1,
Stem 3 inside the shell 2, the inner casing 4 being connected with the stem 3 and LED light source 5；
The shell 2 forms the first accommodating cavity 6 with the stem 3, and first accommodating cavity 6 is internally provided with the first heat dissipation Jie
Matter (not shown)；
The inner casing 4 is in closed or semi-hermetic cavity body structure, including the second accommodating cavity 7, second accommodating cavity 7
The second heat eliminating medium (not shown) is internally provided with, first heat eliminating medium and second heat eliminating medium are different objects
Matter；
The LED light source 5 is located at 4 inside of inner casing or fits on the wall of the inner casing 4.
The lamp cap 1 is used to implement the mechanical connection between the LED bulb of the high efficiency and heat radiation and extraneous power supply and is electrically connected
It connects, is electrically connected between the lamp cap 1 and the LED light source 5 by connection structure, ensure the normal work of LED bulb of high efficiency and heat radiation
Make, can be bayonet socket, or screwed socket with specific reference to actual needs, sets the type of the lamp cap, unlimited
In the present embodiment.
The shell 2 can be PC shells, or glass shell, transparent or translucent, such as transparent, dusting
Or the structures such as frosted, in the present embodiment, the shell 2 is glass shell.The shell 2 is sent out for transmiting the LED light source
The light gone out, and cooperate with the stem 3, the first closed accommodating cavity 6 is formed, protection is located in first accommodating cavity 6
The component in portion.
The inner casing 4 is in closed or semi-hermetic cavity body structure, is made of glass, quartz or metal material, positioned at institute
It states inside the first accommodating cavity 6, for protecting the inner casing 4 and the LED light source 5 inside the inner casing 4, and by the LED
The light transmission that light source 5 is sent is gone out, and the heat that the LED light source is dissipated to 5 hairs distributes, and ensure LED light source 5 uses the longevity
Life.
First accommodating cavity 6 is internally provided with the first heat eliminating medium, for accelerating the heat inside the shell 2, improves
The service life of LED light source 5, first heat eliminating medium are heat dissipation gas, and the heat dissipation gas is helium, oxygen, helium oxygen mix
Gas or other gases are closed, with specific reference to actual needs, the type of the setting heat dissipation gas.The heat dissipation gas is in the shell
Internal pressure is 400-800torr.
Herein, the first heat eliminating medium inside first accommodating cavity 6 surrounds the inner casing 4 or LED light source 5, fast
Speed carries out heat exchange, accelerates the heat dissipation effect of the LED bulb of the high efficiency and heat radiation, ensures the LED bulb of the high efficiency and heat radiation
Service life.
The inner casing 4 is connected with the stem 3, is used to implement the fixed installation of the inner casing 4.The inner casing 4 is in close
It closes or the cavity body structure of semi-hermetic, including the second accommodating cavity 7, the second heat eliminating medium is closed in by second accommodating cavity 7
Inside it, for accelerating the radiating rate of the LED bulb of the high efficiency and heat radiation.
In order to further speed up the heat dissipation effect of the LED bulb of the high efficiency and heat radiation, second accommodating cavity 7 is internally provided with
Second heat eliminating medium, second heat eliminating medium are radiator liquid or heat dissipation colloid, are specially water, conduction oil, transformer oil, silicon
One or more of glue, paraffin or epoxy resin.
Second heat eliminating medium is filled in inside second accommodating cavity 7, surrounds the LED light source 5, rapidly with it is described
LED light source 5 realizes heat exchange, by the heat transfer that the LED light source 5 comes out to first heat eliminating medium, further
Accelerate the heat dissipation effect of the LED bulb of the high efficiency and heat radiation, so as to be further ensured that the use of the LED bulb of the high efficiency and heat radiation
Service life.
The LED light source 5 is located on the inner housing inner 4 or the wall for fitting in the inner casing 4 and (includes on wall herein
On inner wall and on outer walls, inner wall or outer wall are specifically fitted in, is configured according to actual conditions), for illuminating, the present embodiment
In, the LED light source 5 is high-power LED light source, is specially LED COB light sources either LED filament or SMD light sources.It is big herein
Power LED light source generates substantial amounts of heat when working, and according to its specific structure, there are two types of heat dissipation paths.Specifically：
When the LED light source 5 is located at 4 inside of inner casing, the heat that LED light source 5 generates is first by being located at its week
Heat is transferred to rapidly the first heat eliminating medium by the second heat eliminating medium enclosed, is then distributed by the first heat eliminating medium, is led to
It crosses the heat that the first heat eliminating medium and the second heat eliminating medium generate LED light source 5 timely to distribute, prevents heat from gathering,
The service life of LED light source 5 is influenced, the technical bottleneck of brightness can not be further added by by overcoming LED light source 5.
When the LED light source 5 is located on the wall of the inner casing 4, on the one hand the heat that LED light source 5 generates passes through first
Heat eliminating medium radiates away, and being on the other hand transferred to second heat eliminating medium by the inner casing distributes, double-radiation function
Path adds the radiating efficiency of the LED bulb of the high efficiency and heat radiation, prevents heat from gathering, and influence LED light source 5 uses the longevity
Life, the technical bottleneck of brightness can not be further added by by overcoming LED light source 5.
In order to ensure that the LED light source 5 can work normally, connection structure 8 is further included, the connection structure 8 is at least passed through
The stem 3 is worn, its one end is connected with the LED light source 5, and the other end is connected with the lamp cap 1.
Specifically, when the LED light source 5 is located at 7 inside of the second accommodating cavity, the connection structure 8 includes first
Connection structure and the second connection structure being connected with first connection structure, first connection structure and the LED light
Source 5 is connected, and stretches out outside the inner casing 4 and be connected with second connection structure, and second connection structure runs through institute
It states stem 3 and is connected with the lamp cap 1.
When the LED light source 5 is located on the wall of the inner casing 4, the connection structure 8 runs through the stem 3, its one end
It is connected with the LED light source 5, the other end is connected with the lamp cap 1.
Herein, the connection structure 8 is set in the first connection structure and the second connection structure, convenient for described first is connected
Binding structure, inner casing 4 and LED light source 5 are used as individual light-emitting component, the occupation mode of the present invention are not limited to, convenient for LED
The flexible use of light source 5 meets the requirement of the LED light-emitting component of different occasions, convenient and efficient.
In order to which the LED bulb for ensureing the high efficiency and heat radiation can work normally, power supply is further included, the power supply is located at described
In second accommodating cavity, the heat generated is distributed by second heat eliminating medium.
Fig. 5 is the heat dissipation effect figure that helium is filled in conventional LED light bulb, and Fig. 6 is the LED of high efficiency and heat radiation provided by the invention
The heat dissipation effect figure of helium and water is filled in light bulb, from Fig. 5 and Fig. 6, fills the radiating efficiency of two kinds of heat eliminating mediums than passing
The radiating efficiency that system is filled only with gas is high by 50%, and heat dissipation effect is substantially better than the heat dissipation effect that tradition is filled only with gas.
Compared with prior art, the beneficial effects of the present invention are：
1st, the LED bulb of high efficiency and heat radiation provided by the invention, LED light source generate substantial amounts of heat when working, pass through first
Heat eliminating medium and the second heat eliminating medium radiate, first heat eliminating medium and second heat eliminating medium be respectively gas and
Liquid (or colloid), using the characteristic of the big specific heat capacity of liquid (or colloid), the quick heat for absorbing LED and generating makes heat not
It is gathered in LED chip, while using the high heat conduction effect of heat-conducting gas, double-radiation function substantially increases the heat dissipation of LED bulb
Effect extends the service life of LED bulb, and the technical bottleneck of brightness can not be further added by by overcoming LED light source.
2nd, the LED bulb of high efficiency and heat radiation provided by the invention, when the LED light source is located inside second accommodating cavity
When, the connection structure is set in the first connection structure and the second connection structure, convenient for by first connection structure, inner casing
And LED light source is used as individual light-emitting component, is not limited to the occupation mode of the present invention, convenient for flexibly making for LED light source
With, meet the requirement of the LED light-emitting component of different occasions, it is convenient and efficient.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (10)
- A kind of 1. LED bulb of high efficiency and heat radiation, which is characterized in that the shell that is connected including lamp cap, with the lamp cap, positioned at institute The stem for stating enclosure, the inner casing and LED light source being connected with the stem；The shell forms the first accommodating cavity with the stem, and first accommodating cavity is internally provided with the first heat eliminating medium；The inner casing is in closed or semi-hermetic cavity body structure, including the second accommodating cavity, is set inside second accommodating cavity There is the second heat eliminating medium, first heat eliminating medium and second heat eliminating medium are different substances；The LED light source is located at the inside of the inner casing or fits on the wall of the inner casing.
- 2. the LED bulb of high efficiency and heat radiation as described in claim 1, which is characterized in that first heat eliminating medium is heat transmission gas Body.
- 3. the LED bulb of high efficiency and heat radiation as claimed in claim 2, which is characterized in that it is described heat dissipation gas for helium, oxygen or Helium-oxygen gas mixture is 400-800torr in the pressure of the enclosure.
- 4. the LED bulb of high efficiency and heat radiation as described in claim 1, which is characterized in that second heat eliminating medium is cooling fluid Body or heat dissipation colloid.
- 5. the LED bulb of high efficiency and heat radiation as claimed in claim 4, which is characterized in that second heat eliminating medium is water, heat conduction One or more of oil, transformer oil, silica gel, paraffin or epoxy resin.
- 6. the LED bulb of high efficiency and heat radiation as described in claim 1, which is characterized in that further include connection structure, the connection knot Structure at least runs through the stem.
- 7. the LED bulb of high efficiency and heat radiation as claimed in claim 6, which is characterized in that the LED light source is located in the inner casing Portion, the connection structure include the first connection structure and the second connection structure being connected with first connection structure.
- 8. the LED bulb of high efficiency and heat radiation as claimed in claim 7, which is characterized in that first connection structure and the LED Light source is connected, and stretches out outside the inner casing and be connected with second connection structure；Second connection structure is connected through the stem and with the lamp cap.
- 9. the LED bulb of high efficiency and heat radiation as claimed in claim 6, which is characterized in that the LED light source fits in the inner casing Wall on, the connection structure runs through the stem, and its one end is connected with the LED light source, the other end and the lamp cap phase Connection.
- 10. the LED bulb of high efficiency and heat radiation as described in claim 1, which is characterized in that the LED light source is LED COB light sources Either LED filament or SMD light sources.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810034465.7A CN108087735A (en) | 2018-01-15 | 2018-01-15 | A kind of LED bulb of high efficiency and heat radiation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810034465.7A CN108087735A (en) | 2018-01-15 | 2018-01-15 | A kind of LED bulb of high efficiency and heat radiation |
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| Publication Number | Publication Date |
|---|---|
| CN108087735A true CN108087735A (en) | 2018-05-29 |
Family
ID=62182130
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810034465.7A Pending CN108087735A (en) | 2018-01-15 | 2018-01-15 | A kind of LED bulb of high efficiency and heat radiation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180138021A1 (en) * | 2016-11-11 | 2018-05-17 | Lam Research Corporation | Plasma light up suppression |
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| CN206338617U (en) * | 2016-12-05 | 2017-07-18 | 武汉市福臣贸易有限公司 | A kind of high-efficient heat-dissipating LED lamp bubble |
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| US20180138021A1 (en) * | 2016-11-11 | 2018-05-17 | Lam Research Corporation | Plasma light up suppression |
| US10535505B2 (en) * | 2016-11-11 | 2020-01-14 | Lam Research Corporation | Plasma light up suppression |
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