CN205877783U - Power built -in LED filament lamp with thermal -radiating material - Google Patents
Power built -in LED filament lamp with thermal -radiating material Download PDFInfo
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- CN205877783U CN205877783U CN201620764626.4U CN201620764626U CN205877783U CN 205877783 U CN205877783 U CN 205877783U CN 201620764626 U CN201620764626 U CN 201620764626U CN 205877783 U CN205877783 U CN 205877783U
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- 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
- F21Y2107/00—Light sources with three-dimensionally disposed light-generating elements
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
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Abstract
The utility model discloses a power built -in LED filament lamp with thermal -radiating material relates to the lighting technology field. This power built -in LED filament lamp with thermal -radiating material personally experiences sth. Part of the body, has the stem stem of support, at least LED filament, driver and a lamp holder including the cell -shell, and the cell -shell body and stem stem vacuum seal form the vacuum seal cavity, be equipped with high thermal conductivity gas in the vacuum seal cavity, stem stem, LED filament and driver all are located inside the vacuum seal cavity, the surface of LED filament and driver is equipped with the thermal -radiating material layer. The utility model has the advantages of production efficiency is high, the radiating effect is good, longe -lived, with low costs.
Description
Technical field
This utility model relates to lighting technical field, is specifically related to a kind of LED lamp with built-in power source with thermal-radiating material
Silk lamp.
Background technology
Considerations based on energy-conserving and environment-protective, electric filament lamp is the most gradually abandoned by people.And LED bulb has life-span length, light efficiency
The features such as high, radiationless and shock resistance, the most progressively replace electric filament lamp.
But, owing to LED light source self luminescence has directivity, the light sent is even across the diffusion of diffusion shell
After, compared with can be with the conventional incandescent lights of omnirange luminous intensity distribution, the light distribution angle of existing LEDbulb lamp still seems the narrowest,
Light distribution angle is general all below 120 °, and light can not reach the back of lamp, can form shadow.Occur in that filament the most in recent years
LED packaging, and with LED filament make bulb lamp.
The most common LED filament bulb lamp, the general LED lamp bar using 4 π luminescences is sealed in the cell-shell being filled with gas
In, and driver is contained in lamp holder.There is following defect in this assembling mode driver being contained in lamp holder: (1) due to
Lamp holder is conducting metal, so can put into lamp holder after driver insulation sleeve to be put, needs manual operations, and operation is loaded down with trivial details, effect
Rate is low, additionally, due to the narrow space in lamp holder, makes lamp holder inadequate with the bonding space of bulb housing after putting into driver, viscous
Knot stability declines, and easily comes off, and bonding needs the high temperature through 300 degree, this life-span to the electronic device in driver
Impact is big, and resultant fault rate is high.(2) radiator is not typically contained due to LED filament bulb lamp, LED filament operationally temperature
Higher, heat radiation difficulty, light source life is affected.Additionally power supply is inside lamp holder, limited space, and the heat of generation is difficult to distribute
To outside, power source life is also a greater impact.
Summary of the invention
This utility model for solve the problems referred to above, it is provided that a kind of production efficiency height, good heat dissipation effect, life-span length, cost
Low a kind of LED lamp with built-in power source silk lamp with thermal-radiating material.
To achieve these goals, technical solutions of the utility model are as follows:
A kind of LED lamp with built-in power source silk lamp with thermal-radiating material, including bulb shell, carries standoff stem stem, at least
Article one, LED filament, driver and lamp holder, bulb shell seals with stem stem vacuum and forms vacuum-sealed cavity body；In vacuum-sealed cavity body
It is provided with high thermal conductivity gas；Stem stem, LED filament and driver are respectively positioned on portion in vacuum-sealed cavity body；Support is positioned at the end of stem stem
Portion, driver is fixed on the top of support；The bottom of support is provided with tinsel；Pedestal upper end portion is provided with electrode outlet line；LED
Filament one end is connected in series with tinsel, and the other end is connected in series by electrode outlet line with driver；Driver is led to lamp holder
Cross the series connection of external electrode lead-out wire；The outer surface of LED filament is provided with thermal-radiating material layer；The outer surface of driver is provided with heat radiation material
The bed of material.The function of driver is the DC source outer electric main or outer D/C power being converted into and being available for LED filament work.
Further, driver includes actuator housing and drive circuit；Drive circuit is positioned at the inside of actuator housing,
Drive shell external surface is provided with thermal-radiating material layer；Thermal-radiating material layer is more than the thermal-radiating material group of 0.5 by thermal emissivity rate
Become；Thermal-radiating material is in graphite, white carbon black, Graphene, CNT, nickel oxide, ferrum oxide, paint, titanium dioxide, barium sulfate
Any one；Drive circuit 41 is any one in resistance-capacitance depressurization power supply, linear constant current power supply or switch constant current source.This enforcement
Driver and LED filament are both placed in by example in the bulb shell sealed, in therefore high working voltage is isolated in bulb shell, its
Safe and reliable, solve existing LED bulb radiator easy band high-tension electricity, unsafe problem.This utility model will simultaneously
The surface-coated of LED driver housing has thermal-radiating material layer, and heat is distributed by the approach adding a kind of heat loss through radiation.
Further, the upper end of above-mentioned stem stem is additionally provided with oviduct；Exhaustor is positioned at the inside of stem stem；Exhaustor upper
Port is provided with sealing by fusing head.
Further, cell-shell is filled with low viscosity coefficient high thermal conductivity gas, and above-mentioned high thermal conductivity gas is helium, hydrogen
One in gas, nitrogen, argon or its combination in any.After installation fixes LED filament and power supply, stem stem passes through with bulb shell
High temperature sealing by fusing, sealing-in is integral；After aerofluxus and the high thermal conductivity gas that is filled with, exhaustor is shut again.The high heat conduction being filled with
The pressure of rate gas is at room temperature 100-1500Torr.By being filled with the gas of low viscosity coefficient high thermal conductivity so that seal
Cell-shell content is easily formed and effectively dissipates convection of heat, the heat produced when LED filament and driver work can timely and effective convection current and
Conduction of heat causes bulb shell and distributes.It addition, LED filament and driver are high by the noble gases such as helium or other low viscosity coefficient
Thermal conductivity gases is protected and seals, and is not affected by the steam etc. in surrounding, makes the life-span of LED filament and driver
Longer.
Further, above-mentioned bulb shell is transparent bulb case, or milky white cell-shell, or frosted cell-shell, or coloured cell-shell, or part
Surface is with the cell-shell in reflecting layer, or part surface is with the cell-shell of prism, or the lensed cell-shell of part surface band.
Further, above-mentioned bulb shell uses A type cell-shell or G type cell-shell or PAR type cell-shell, T-shaped cell-shell, candle type bubble
Shell, p-type cell-shell, PS type cell-shell, BR type cell-shell, ER type cell-shell or BRL type cell-shell；Lamp holder uses E14 type or E27 type or E26
Type or E40 type or GU type or BX type or BA type or EP type or EX type or GY type or GX type or GR type or GZ type or G
Type.
Further, above-mentioned LED filament includes line style substrate monomer, multiple LED of being positioned at line style substrate monomer front send out
Light unit, it is positioned at LED luminescence unit surface fluorescent powder layer；LED luminescence unit and the electrode being positioned at line style substrate monomer end draw
Foot is connected in series；It is connected in series by plain conductor between adjacent LED luminous units；LED luminescence unit is along line style substrate monomer
Long axis direction linearly arrange；The surface of LED luminescence unit is not had to be provided with radiative material layer on line style substrate monomer；Hot spoke
Penetrate material layer by thermal emissivity rate more than 0.5 thermal-radiating material form；Thermal-radiating material is graphite, white carbon black, Graphene, carbon nanometer
Any one in pipe, nickel oxide, ferrum oxide, paint, titanium dioxide, barium sulfate.The material of line style substrate monomer is high heat conduction system
The material of number, such as metal material, silicon materials or ceramic material.Stating a length of 5mm ~ 200mm of line style substrate monomer, width is
0.3mm ~ 5 mm, thickness is 0.1mm ~ 3mm；Its a length of 10mm ~ 100mm preferred, width is 0.5mm ~ 2mm, and thickness is
0.2mm~1.0mm。
Further, above-mentioned LED luminescence unit is blue-light LED chip, red LED chip, green LED chip, yellow light LED
One in chip, purple LED chip or its combination in any；Phosphor powder layer is completely covered line style substrate monomer and is provided with LED luminescence
The surface of unit；The cross section of phosphor powder layer is semicircle, half elliptic or rectangle；Phosphor powder layer material is that YAG series is yellow
Powder, yellowish green powder, or silicate series bloom, yellowish green powder, orange powder, or nitride, nitrous oxides series Hydrargyri Oxydum Rubrum or YAG line fluorescent
Powder, silicate series fluorescent material, nitride, the combination in any of nitrous oxides series fluorescent material.
The beneficial effects of the utility model are:
(1) in driver and LED filament are both placed in the bulb shell sealed by this utility model, therefore high working voltage quilt
Being isolated in cell-shell, it is safe and reliable, overcomes existing LED bulb radiator easy band high-tension electricity, unsafe problem；(2)
Production efficiency is high.Driver is placed in the bulb shell that space is bigger by this utility model, does not affect the viscous of lamp holder and bulb shell
Knot, so that lamp holder and the bonding of bulb shell are same with the Binder Phase of conventional incandescent, it is possible to use machine assembles, and significantly carries
High production efficiency；(3) life-span is long.Driver and LED filament are all sealed in inert gas filled cell-shell, the most not by week
The impact of the steam etc. in collarette border.It addition, this utility model is coated with thermal-radiating material at the filament back side or actuator surface, can
Directly being distributed by radiation by the heat that filament and driving produce, a part of heat can be distributed by thermal-radiating mode
Going out, another part is transmitted to cell-shell by the way of high heat-conducting gas convection current and distributes.After introducing thermal-radiating material, quite
In introducing a new sinking path, improve greatly the radiating effect of LED filament so that electronic component operating temperature is low, and the life-span is long.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of LED filament in this utility model；
Fig. 3 is the sectional structure schematic diagram of LED filament in this utility model；
Fig. 4 is the structural representation of driver in this utility model；
In figure: 1-bulb shell；2-stem stem；3-LED filament；4-driver；5-lamp holder；6-high thermal conductivity gas；7-dispatch from foreign news agency
Pole lead-out wire；11-oviduct；21-exhaustor；22-support；23-multi-layer connector；24-sealing by fusing head；25-electrode outlet line；
26-tinsel；31-line style substrate monomer；32-LED luminescence unit；33-electrode pin；34-plain conductor；35-fluorescent material
Layer；37-thermal-radiating material layer；41-drive circuit；42-actuator housing；43-thermal-radiating material layer.
Detailed description of the invention
With specific embodiment, this utility model is further described below in conjunction with the accompanying drawings, in order to the skill in this area
Art personnel understand this utility model.
As it is shown in figure 1,
A kind of LED lamp with built-in power source silk lamp with thermal-radiating material, including bulb shell 1, with support 22 stem stem 2,
At least one LED filament 3, driver 4 and lamp holder 5, bulb shell 1 seals with stem stem 2 vacuum and forms vacuum-sealed cavity body；Vacuum is close
It is provided with high thermal conductivity gas 6 in envelope cavity；Stem stem 2, LED filament 3 and driver 4 are respectively positioned on portion in vacuum-sealed cavity body；Support
22 ends being positioned at stem stem 2, driver 4 is fixed on the top of support 22；The bottom of support 22 is provided with tinsel 26；Support 22
Upper end is provided with electrode outlet line 25；LED filament 3 one end is connected in series with tinsel 26, and the other end and driver 4 pass through electrode
Lead-out wire 25 is connected in series；Driver 4 is connected by external electrode lead-out wire 7 with lamp holder 5；The outer surface of LED filament is provided with hot spoke
Penetrate material layer 37；The outer surface of driver 4 is provided with thermal-radiating material layer 43.The function of driver 4 is by outer electric main or outer
D/C power is converted into the DC source being available for LED filament 3 work.
As it is shown on figure 3, in the present embodiment, driver 4 includes actuator housing 42 and drive circuit 41；Drive circuit 41
In the inside of actuator housing 42, actuator housing 42 outer surface is provided with thermal-radiating material layer 43；Thermal-radiating material layer 43 is by warm
The radiance thermal-radiating material composition more than 0.5；Thermal-radiating material is Graphene；Drive circuit 41 is resistance-capacitance depressurization power supply.
In the present embodiment, the upper end of stem stem 2 is additionally provided with oviduct 11；Exhaustor 21 is positioned at the inside of stem stem 2；Exhaustor
The upper port of 21 is provided with sealing by fusing head 24.
In the present embodiment, being filled with low viscosity coefficient high thermal conductivity gas in bulb shell 1, above-mentioned high thermal conductivity gas 6 is helium
One in gas, hydrogen, nitrogen, argon or its combination in any.The pressure of high thermal conductivity gas 6 is at room temperature 100-
1500Torr.By being filled with the gas 6 of low viscosity coefficient high thermal conductivity so that seal cell-shell content and be easily formed the right of effectively heat radiation
Stream, the heat produced when LED filament 3 and driver 4 the work timely and effective convection current of energy and conduction of heat cause bulb shell 1 and distribute.
It addition, LED filament 3 and driver 4 are protected and close by the noble gases such as helium or other low viscosity coefficient high thermal conductivity gas 6
Envelope, is not affected by the steam etc. in surrounding, and the life-span making LED filament 3 and driver 4 is longer.
In the present embodiment, bulb shell 1 is transparent bulb case.
In the present embodiment, bulb shell 1 uses A type cell-shell, and lamp holder 5 uses E27 type.
As in figure 2 it is shown, LED filament 3 includes line style substrate monomer 31, is just being positioned at line style substrate monomer 31 in the present embodiment
Multiple LED luminescence units 32 in face, it is positioned at LED luminescence unit 32 surface fluorescent powder layer 35；LED luminescence unit 32 be positioned at line style
The electrode pin 33 of substrate monomer 31 end is connected in series；Between adjacent LED luminous units 32 by plain conductor 34 series connection even
Connect；LED luminescence unit 32 is linearly arranged along the long axis direction of line style substrate monomer；LED is not had on line style substrate monomer 31
The surface of luminescence unit is provided with radiative material layer 37；Thermal-radiating material layer 37 is more than the thermal-radiating material group of 0.5 by thermal emissivity rate
Become；Thermal-radiating material is Graphene, it is also possible to for CNT, or nickel oxide.The material of line style substrate monomer 31 is metal material
Material, it is also possible to for silicon materials or ceramic material.Stating a length of 50mm of line style substrate monomer, width is 2mm, and thickness is 1mm.
In the present embodiment, LED luminescence unit 32 is blue-light LED chip；Phosphor powder layer 35 is completely covered line style substrate monomer
31 surfaces being provided with LED luminescence unit 32；The cross section of phosphor powder layer 35 is semicircle；Phosphor powder layer 5 material is that YAG series is yellow
Powder.
Driver 4 and LED filament 3 are both placed in by the present embodiment in the bulb shell 1 sealed, therefore high working voltage quilt
Being isolated in cell-shell, it is safe and reliable, overcomes existing LED bulb radiator easy band high-tension electricity, unsafe problem；This
Driver 4 is placed in the bigger bulb shell in space 1 by embodiment, does not affect the bonding of lamp holder 5 and bulb shell 1, so that
Lamp holder 5 and the bonding of bulb shell 1 are same with the Binder Phase of conventional incandescent, it is possible to use machine assembles, and substantially increases life
Produce efficiency；In embodiment, driver 4 and LED filament 3 are all sealed in inert gas filled cell-shell, the most not by surrounding
The impact of steam etc..It addition, the present embodiment is coated with thermal-radiating material at the filament back side or actuator surface, can be by filament
Directly being distributed by radiation with the heat driving generation, a part of heat can be distributed by thermal-radiating mode,
Another part is transmitted to cell-shell by the way of high heat-conducting gas convection current and distributes.After introducing thermal-radiating material, be equivalent to draw
Enter a new sinking path, improve greatly the radiating effect of LED filament so that electronic component operating temperature is low, and the life-span is long.
Embodiment of above is only in order to illustrate this utility model and and technical scheme described by unrestricted this utility model；
Therefore although this utility model is had been carried out describing in detail by this specification with reference to each above-mentioned embodiment, but ability
Territory it is to be appreciated by one skilled in the art that still this utility model can be modified or equivalent；And all do not take off
From technical scheme and the improvement thereof of spirit and scope of the present utility model, it all should be contained at claim model of the present utility model
In the middle of enclosing.
Claims (8)
1. with a LED lamp with built-in power source silk lamp for thermal-radiating material, including bulb shell (1), stem stem with support (22)
(2), at least one LED filament (3), driver (4) and lamp holder (5), it is characterised in that described bulb shell (1) is true with stem stem (2)
Empty sealing forms vacuum-sealed cavity body；High thermal conductivity gas (6) it is provided with in described vacuum-sealed cavity body；Described stem stem (2), LED
Filament (3) and driver (4) are respectively positioned on portion in vacuum-sealed cavity body；Described support (22) is positioned at the end of stem stem (2), described in drive
Dynamic device (4) is fixed on the top of support (22)；The bottom of described support (22) is provided with tinsel (26)；On described support (22)
End is provided with electrode outlet line (25)；Described LED filament (3) one end is connected in series with tinsel (26), the other end and driver
(4) it is connected in series by electrode outlet line (25)；Described driver (4) is connected by external electrode lead-out wire (7) with lamp holder (5)；
The outer surface of described LED filament is provided with thermal-radiating material layer(37)；The outer surface of described driver (4) is provided with thermal-radiating material
Layer(43).
A kind of LED lamp with built-in power source silk lamp with thermal-radiating material, it is characterised in that described
Driver (4) includes actuator housing (42) and drive circuit (41)；Described drive circuit (41) is positioned at actuator housing (42)
Inside, described actuator housing (42) outer surface is provided with thermal-radiating material layer(43)；Described thermal-radiating material layer(43) it is
Graphite linings, silica aerogel layer, graphene layer, carbon nanotube layer, nickel oxide layer, iron oxide layer, skin of paint, titanium dioxide layer, barium sulfate
Any one in Ceng；Described drive circuit (41) is appointing in resistance-capacitance depressurization power supply, linear constant current power supply or switch constant current source
A kind of.
A kind of LED lamp with built-in power source silk lamp with thermal-radiating material, it is characterised in that described
The upper end of stem stem 2 is additionally provided with oviduct (11)；Exhaustor (21) is positioned at the inside of stem stem (2)；Described exhaustor (21) upper
Port is provided with sealing by fusing head (24).
A kind of LED lamp with built-in power source silk lamp with thermal-radiating material, it is characterised in that described
High thermal conductivity gas (6) is the one in helium, hydrogen, nitrogen, argon or its combination in any.
A kind of LED lamp with built-in power source silk lamp with thermal-radiating material, it is characterised in that described
Bulb shell (1) is transparent bulb case, or milky white cell-shell, or frosted cell-shell, or coloured cell-shell, or part surface is with the bubble in reflecting layer
Shell, or part surface is with the cell-shell of prism, or the lensed cell-shell of part surface band.
A kind of LED lamp with built-in power source silk lamp with thermal-radiating material, it is characterised in that described
Bulb shell (1) use A type cell-shell or G type cell-shell or PAR type cell-shell, T-shaped cell-shell, candle type cell-shell, p-type cell-shell, PS type cell-shell,
BR type cell-shell, ER type cell-shell or BRL type cell-shell；Described lamp holder (5) use E14 type or E27 type or E26 type or E40 type or
GU type or BX type or BA type or EP type or EX type or GY type or GX type or GR type or GZ type or G type.
A kind of LED lamp with built-in power source silk lamp with thermal-radiating material, it is characterised in that described
LED filament (3) include line style substrate monomer (31), the multiple LED luminescence units (32) being positioned at line style substrate monomer (31) front,
It is positioned at LED luminescence unit (32) surface fluorescent powder layer (35)；Described LED luminescence unit (32) be positioned at line style substrate monomer (31)
The electrode pin (33) of end is connected in series；It is connected in series by plain conductor (34) between adjacent LED luminous units (32)；
LED luminescence unit (32) is linearly arranged along the long axis direction of line style substrate monomer；Described line style substrate monomer (31) is upper not
The surface having LED luminescence unit is provided with radiative material layer(37)；Described thermal-radiating material layer(43) be graphite linings, silica aerogel layer,
Any one in graphene layer, carbon nanotube layer, nickel oxide layer, iron oxide layer, skin of paint, titanium dioxide layer, barium sulfate layer.
A kind of LED lamp with built-in power source silk lamp with thermal-radiating material, it is characterised in that described
LED luminescence unit (32) is blue-light LED chip, red LED chip, green LED chip, yellow light LED chip, purple LED chip
In one or its combination in any；Described phosphor powder layer (35) is completely covered line style substrate monomer (31) and is provided with LED luminescence unit
(32) surface；The cross section of described phosphor powder layer (35) is semicircle, half elliptic or rectangle；Described phosphor powder layer (35)
Material is YAG series bloom, yellowish green powder, or silicate series bloom, yellowish green powder, orange powder, or nitride, nitrous oxides series are red
Powder or YAG series phosphor powder, silicate series fluorescent material, nitride, the combination in any of nitrous oxides series fluorescent material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620764626.4U CN205877783U (en) | 2016-07-20 | 2016-07-20 | Power built -in LED filament lamp with thermal -radiating material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620764626.4U CN205877783U (en) | 2016-07-20 | 2016-07-20 | Power built -in LED filament lamp with thermal -radiating material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205877783U true CN205877783U (en) | 2017-01-11 |
Family
ID=57697870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620764626.4U Ceased CN205877783U (en) | 2016-07-20 | 2016-07-20 | Power built -in LED filament lamp with thermal -radiating material |
Country Status (1)
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090663A (en) * | 2016-07-20 | 2016-11-09 | 山东晶泰星光电科技有限公司 | A kind of LED lamp with built-in power source silk lamp with thermal-radiating material |
| CN109538954A (en) * | 2017-12-26 | 2019-03-29 | 浙江中宙光电股份有限公司 | A kind of LED light emission device and its light bulb |
| WO2019141155A1 (en) * | 2018-01-18 | 2019-07-25 | Bgt Materials Limited | Method of making led light bulb with thermal radiation filaments |
| WO2020228590A1 (en) * | 2019-05-10 | 2020-11-19 | 嘉兴山蒲照明电器有限公司 | Led lighting device |
-
2016
- 2016-07-20 CN CN201620764626.4U patent/CN205877783U/en not_active Ceased
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090663A (en) * | 2016-07-20 | 2016-11-09 | 山东晶泰星光电科技有限公司 | A kind of LED lamp with built-in power source silk lamp with thermal-radiating material |
| CN109538954A (en) * | 2017-12-26 | 2019-03-29 | 浙江中宙光电股份有限公司 | A kind of LED light emission device and its light bulb |
| WO2019141155A1 (en) * | 2018-01-18 | 2019-07-25 | Bgt Materials Limited | Method of making led light bulb with thermal radiation filaments |
| WO2020228590A1 (en) * | 2019-05-10 | 2020-11-19 | 嘉兴山蒲照明电器有限公司 | Led lighting device |
| US11262062B2 (en) | 2019-05-10 | 2022-03-01 | Jiaxing Super Lighting Electric Appliance Co., Ltd | LED lighting device |
| US11402090B2 (en) | 2019-05-10 | 2022-08-02 | Jiaxing Super Lighting Electric Appliance Co., Ltd | LED lighting device |
| US11415309B2 (en) | 2019-05-10 | 2022-08-16 | Jiaxing Super Lighting Electric Appliance Co., Ltd | LED lighting device |
| US11543114B2 (en) | 2019-05-10 | 2023-01-03 | Jiaxing Super Lighting Electric Appliance Co., Ltd | LED lighting device |
| US11754274B2 (en) | 2019-05-10 | 2023-09-12 | Jiaxing Super Lighting Electric Appliance Co., Ltd | LED lighting device |
| US11774085B2 (en) | 2019-05-10 | 2023-10-03 | Jiaxing Super Lighting Electric Appliance Co., Ltd | LED lighting device |
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| GR01 | Patent grant | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20180929 Decision number of declaring invalidation: 37326 Granted publication date: 20170111 |
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| IW01 | Full invalidation of patent right |