CN106015989A - LED inflatable bulb lamp with thermal radiation material - Google Patents

LED inflatable bulb lamp with thermal radiation material Download PDF

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Publication number
CN106015989A
CN106015989A CN201610571971.0A CN201610571971A CN106015989A CN 106015989 A CN106015989 A CN 106015989A CN 201610571971 A CN201610571971 A CN 201610571971A CN 106015989 A CN106015989 A CN 106015989A
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CN
China
Prior art keywords
light source
led
thermal
source board
shell
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
Application number
CN201610571971.0A
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Chinese (zh)
Inventor
马文波
廖秋荣
孔平
孔一平
袁信成
周民康
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHENZHEN WISDOW REACHES INDUSTRY Co Ltd
Shandong Prosperous Star Optoelectronics Co Ltd
Original Assignee
SHENZHEN WISDOW REACHES INDUSTRY Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SHENZHEN WISDOW REACHES INDUSTRY Co Ltd filed Critical SHENZHEN WISDOW REACHES INDUSTRY Co Ltd
Priority to CN201610571971.0A priority Critical patent/CN106015989A/en
Publication of CN106015989A publication Critical patent/CN106015989A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00Fastening of light sources or lamp holders
    • F21V19/001Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00Arrangement of electric circuit elements in or on lighting devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50Cooling arrangements
    • F21V29/60Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/85Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems characterised by the material

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

The invention discloses an LED inflatable bulb lamp with a thermal radiation material and relates to the technical field of lighting. The LED inflatable bulb lamp with the thermal radiation material comprises a lamp holder and an inflatable light-emitting body. The inflatable light-emitting body comprises a blister, a core column, an optical engine module and gas; the blister is connected with the core column in a sealed manner, and a sealed space in the blister is formed; the gas is located in the sealed space in the blister; the optical engine module is fixedly connected with the core column; the optical engine module comprises SMD light source plates I, an SMD light source plate II and a connection plate, wherein the back sides of the SMD light source plates I, the back side of the SMD light source plate II and the back side of the connection plate are each coated with a thermal radiation material layer; and the blister is fixedly connected with the lamp holder through an adhesion agent. The LED inflatable bulb lamp with the thermal radiation material has the beneficial effects of being high in production efficiency, good in cooling effect, long in service life, low in cost and the like, and a large light-emitting angle is achieved.

Description

A kind of LED with thermal-radiating material inflates bulb lamp
Technical field
The present invention relates to lighting technical field, be specifically related to a kind of LED with thermal-radiating material and inflate bulb 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.
SMD bulb lamp has specular removal compared with other alternative source of light occurred, is easily assembled that maintenance, production cost be low, the suitability The advantage such as strong occupies bigger market.But owing to SMD bulb lamp is limited by its Lam-cup structure, not by optics premise Under, it is impossible to realize wide-angle luminous, and more weak in the light intensity of cell-shell bottom direction, this light distribution is unable to reach american energy The star requirement to full light distribution type LEDbulb lamp.
Occur in that the LED packaging of filament, and the bulb lamp made of LED filament the most in recent years.The most often The LED filament bulb lamp seen, the general LED lamp bar using 4 Π luminescences is sealed in the cell-shell being filled with gas, and driver is filled In lamp holder.There is following defect in this assembling mode driver being contained in lamp holder: (1) is conducting metal due to lamp holder, So can put into lamp holder after driver insulation sleeve to be put, needing manual operations, operation is loaded down with trivial details, and efficiency is low, the most disadvantageous It is: due to the narrow space in lamp holder after putting into driver, to make lamp holder inadequate, under adhesive fastness with the bonding space of bulb housing Fall, easily comes off, and bonding needs the high temperature through 300 degree, and this is big to the aging effects of the electronic device in driver, combines Conjunction fault rate is high.(2) due to when LED filament bulb lamp works temperature higher, heat radiation difficulty, light source life is affected.Additionally Power supply is inside lamp holder, and limited space, the heat of generation is difficult to distribute to outside, and power source life is also a greater impact.
Summary of the invention
The present invention solves the problems referred to above, it is provided that a kind of production efficiency height, good heat dissipation effect, life-span length, low cost A kind of LED with thermal-radiating material inflates bulb lamp.
To achieve these goals, technical solution of the present invention is as follows:
A kind of LED with thermal-radiating material inflates bulb lamp, including inflation luminous body and lamp holder;Inflation luminous body includes bubble Shell, stem stem, photo engine module and gas;Cell-shell is tightly connected with stem stem, and forms cell-shell interior sealed space;Gas is positioned at bubble Shell interior sealed space;Photo engine module is fixing with stem stem to be connected;Photo engine module comprises multiple SMD light source board, SMD light source PlateAnd connecting plate;SMD light source boardRectangular;SMD light source boardIt is annular with connecting plate;SMD light source boardWith SMD light Source plateBeing equipped with AC-DC switching electronic element with the front of connecting plate, the back side is provided with thermal-radiating material layer;Cell-shell and lamp holder it Between connect by binding agent is fixing.The present invention is by SMD light source boardWith SMD light source boardHot spoke is had with the backside coating of connecting plate Penetrate material layer, by the approach of heat loss through radiation, heat can be distributed.
Further, above-mentioned multiple SMD light source boardAnd be connected in series between SMD light source board II;Photo engine module passes through Connecting line on stem stem is connected with lamp holder.
Further, above-mentioned adjacent S MD light source boardParallel connection between inside;Multiple SMD light source boardsWith SMD light source board Between be connected in series;Photo engine module is connected with lamp holder by the connecting line on stem stem.
Further, above-mentioned SMD light source boardIncluding SMD paster lamp bead and substrate, pad and AC-DC conversion electron unit Part;The material of substrate is metal basal board, or paper base plate, or epoxy glass-fiber-fabric substrate;SMD paster lamp bead is blue-light LED chip, red One in light LED chip, green LED chip, yellow light LED chip, purple LED chip or its combination in any;SMD paster lamp bead It is fixed on upper surface of base plate;SMD light source boardBy pad and SMD light source boardIt is welded to connect with connecting plate 10.
Further, the outer surface of said metal substrates is provided with silver coating, or Gold plated Layer, or tin coating.
Further, the thermal-radiating material that above-mentioned thermal-radiating material layer is more than 0.5 by thermal emissivity rate forms;Thermal-radiating material For any one in graphite, white carbon black, Graphene, CNT, nickel oxide, ferrum oxide, paint, titanium dioxide, barium sulfate;Hot spoke Penetrating the thickness of material layer is 10 nanometers to 5mm.
Further, above-mentioned SMD light source board Including substrate;Substrate surface is provided with SMD paster lamp bead, hole and pad.Its Mesopore is in order to by SMD light source boardAssemble more simply and easily and be welded on pad.
Further, above-mentioned stem stem is provided with exhaustor, connecting line, sealing and support column;Sealing is close with cell-shell Envelope connects;Connecting line passes sealing, is connected with photo engine module and outside driving power supply respectively;Exhaustor is positioned at stem stem Portion, after completing envelope row's technique, can be in exhaustor tip position frit seal.Available exhaustor is when sealing cell-shell, for elder generation Discharge the whole air of cell-shell, be then re-filled with heat radiation protection gas.Photo engine module is fixing on the support columns by binding agent.This Embodiment binding agent is 1120 glue.
Further, the one during above-mentioned gas is helium, hydrogen, nitrogen, argon or its combination in any.High thermal conductivity gas The pressure of body 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, and the heat timely and effective convection current of energy produced during the work of photo engine module and conduction of heat cause bubble Housing distributes.It addition, photo engine module is by the noble gases such as helium or other low viscosity coefficient high thermal conductivity gas shield And seal, not affected by the steam etc. in surrounding, the life-span making photo engine module is longer.
Further, above-mentioned cell-shell use A type cell-shell or G type cell-shell or p-type cell-shell or Type B cell-shell or c-type cell-shell, Or T-shaped cell-shell;Lamp holder uses E type or Type B or GU type or GX type or GZ type.
Compared with prior art, the beneficial effects of the present invention is:
(1) present invention is fully integrated by the electronic component needed for the photo engine module within inflation luminous body, AC-DC conversion On photo engine module so that this LED inflation bulb lamp will be without driving, and production and assembly are more convenient, and reliability is higher;(2) By SMD light source boardWith SMD light source boardThere is thermal-radiating material layer with the backside coating of connecting plate, photo engine module can be produced Heat directly distributed by radiation, a part of heat can distribute by the way of thermal radiation, another part lead to The mode of too high heat-conducting gas convection current is transmitted to cell-shell and distributes.After introducing thermal radiation material, be equivalent to introduce one and newly dissipate Hot approach, improves greatly the radiating effect of LED inflation bulb lamp so that electronic component operating temperature is low, and the life-span is long.(3) this The photo engine module of bright use comprises multiple SMD light source board, SMD light source boardAnd bottom connecting plate, multiple SMD light source boards The surrounding realizing this LED inflation bulb lamp is luminous, SMD light source boardRealization can realize the bottom-emission of this LED inflation bulb lamp, Therefore the present invention has bigger lighting angle.
Accompanying drawing explanation
Fig. 1 is the structural representation of one embodiment of the invention;
Fig. 2 is SMD light source board in the present inventionStructural representation;
Fig. 3 is SMD light source board in the present invention Structural representation;
Fig. 4 is the structural representation of connecting plate in the present invention;
In figure: 1-inflates luminous body;2-lamp holder;3-AC-DC switching electronic element;4-substrate;5-stem stem;6-photo engine mould Group;7-gas;8-SMD light source board;9-SMD light source board ;10-connecting plate;11-connecting line;13-SMD paster lamp bead;14- Substrate;15-exhaustor;16-sealing member;17-support column;19-pad;20-hole;21-thermal-radiating material layer.
Detailed description of the invention
With specific embodiment, the present invention is further described below in conjunction with the accompanying drawings, in order to the technology people in this area Member understands the present invention.
As it is shown in figure 1, the invention provides a kind of LED with thermal-radiating material to inflate bulb lamp, including inflation luminescence Body 1, lamp holder 2;Inflation luminous body 1 includes cell-shell 4, stem stem 5, photo engine module 6 and gas 7;Cell-shell 4 is tightly connected with stem stem 5, And form cell-shell 4 interior sealed space;Gas 7 is positioned at cell-shell 4 interior sealed space;Photo engine module 6 is fixing with stem stem 5 even Connect;Photo engine module 6 comprises multiple SMD light source board8, SMD light source board9 and connecting plate 10;SMD light source board8 is rectangular; SMD light source board9 and connecting plate 10 in annular;SMD light source board8 and SMD light source boards9 and the front of connecting plate 10 equal Being provided with AC-DC switching electronic element 3, the back side is provided with thermal-radiating material layer 21;Fixed by binding agent between cell-shell 4 and lamp holder 2 Connect.The present invention is by SMD light source board8 and SMD light source boards9 and the backside coating of connecting plate 10 have thermal-radiating material layer 21, By the approach of heat loss through radiation, heat can be distributed.
In the present embodiment, multiple SMD light source boardsIt is connected in series between 8 and SMD light source board II 9;Photo engine module 6 leads to The connecting line 11 crossed on stem stem 5 is connected with lamp holder 2.
As in figure 2 it is shown, in the present embodiment, SMD light source board8 include SMD paster lamp bead 13 and substrate 14, pad 19 and AC-DC switching electronic element 3;Substrate 14 is irony substrate;SMD paster lamp bead 13 is blue-light LED chip;SMD paster lamp bead 13 It is fixed on substrate 14 upper surface;SMD light source board8 by pad 19 and SMD light source board9 and connecting plate 10 be welded to connect.
In the present embodiment, the outer surface of irony substrate is provided with silver coating.
In the present embodiment, the thermal-radiating material that thermal-radiating material layer 21 is more than 0.5 by thermal emissivity rate forms;Thermal-radiating material For Graphene;The thickness of thermal-radiating material layer is 2mm.
As it is shown on figure 3, in the present embodiment, SMD light source board 9 include substrate 14;Substrate 14 surface is provided with SMD paster lamp bead 13, hole 20 and pad 19, its mesopore is in order to by SMD light source boardAssemble more simply and easily and be welded on pad.
In the present embodiment, stem stem 5 is provided with exhaustor 15, connecting line 11, sealing 16 and support column 17;Sealing 16 with Cell-shell 4 is tightly connected;Connecting line 11, through sealing 16, is connected with photo engine module 6 and outside driving power supply respectively;Aerofluxus It is internal that pipe 15 is positioned at stem stem 5, after completing envelope row's technique, and can be in exhaustor tip position frit seal.Available exhaustor 15 When sealing cell-shell 4, for first discharging the whole air of cell-shell 4, then it is re-filled with heat radiation protection gas 7.Photo engine module 6 is by viscous Knot agent is fixed on support column 17.The present embodiment binding agent is 1120 glue.
In the present embodiment, gas 7 is high thermal conductivity helium.The pressure of high thermal conductivity gas 7 is at room temperature 1200Torr. By being filled with the gas 7 of low viscosity coefficient high thermal conductivity so that seal cell-shell content and be easily formed the most scattered convection of heat, photo engine The heat timely and effective convection current of energy produced when module 6 works and conduction of heat cause bulb shell 1 and distribute.It addition, photo engine module 6 Protected and seal by the noble gases such as helium or other low viscosity coefficient high thermal conductivity gas 7, the most not by surrounding The impact of steam etc., the life-span making photo engine module 6 is longer.
In the present embodiment, cell-shell 4 uses A type cell-shell;Lamp holder 2 uses E27 type.
The present invention is by the photo engine module 6 within inflation luminous body, and AC-DC switching electronic element 3 is fully integrated into On photo engine module 6 so that this LED inflation bulb lamp will be without driving, and production and assembly are more convenient, and reliability is higher;(2) will SMD light source board8 and SMD light source boards9 and the backside coating of connecting plate have thermal-radiating material layer 21, can be by photo engine module 6 The heat produced directly is distributed by radiation, and a part of heat can distribute by the way of thermal radiation, another portion Point being transmitted to cell-shell by the way of high heat-conducting gas convection current distributes.After introducing thermal radiation material, be equivalent to introduce one New sinking path, improves greatly the radiating effect of LED inflation bulb lamp so that electronic component operating temperature is low, and the life-span is long.(3) The photo engine module 6 that the present invention uses comprises multiple SMD light source board8, SMD light source board9 and connecting plate 10, multiple SMD light Source plateThe 8 surrounding luminescences realizing this LED inflation bulb lamp, SMD light source board9 realize realizing this LED inflation bulb lamp Bottom-emission, therefore the present invention has bigger lighting angle.
Embodiment of above is only in order to illustrate the present invention and and unrestricted technical scheme described in the invention;Although therefore This specification with reference to each above-mentioned embodiment to present invention has been detailed description, but the ordinary skill of this area Personnel should be appreciated that and still can modify the present invention or equivalent;And all without departing from the present invention spirit and The technical scheme of scope and improvement thereof, it all should be contained in the middle of scope of the presently claimed invention.

Claims (10)

1. the LED with thermal-radiating material inflates a bulb lamp, and including inflation luminous body (1) and lamp holder (2), its feature exists In, described inflation luminous body (1) includes cell-shell (4), stem stem (5), photo engine module (6) and gas (7);Described cell-shell (4) with Stem stem (5) is tightly connected, and forms cell-shell (4) interior sealed space;Described gas (7) is positioned at cell-shell (4) interior sealed space; Described photo engine module (6) is fixing with stem stem (5) to be connected;Described photo engine module (6) comprises multiple SMD light source board(8), SMD Light source boardAnd connecting plate (10) (9);Described SMD light source board(8) rectangular;Described SMD light source boardAnd connecting plate (9) (10) in annular;Described SMD light source boardAnd SMD light source board (8)And the front of connecting plate (10) is equipped with AC-DC (9) Switching electronic element (3), the back side is provided with thermal-radiating material layer (21);Between described cell-shell (4) and lamp holder (2) by binding agent admittedly Fixed connection.
A kind of LED with thermal-radiating material inflates bulb lamp, it is characterised in that the plurality of SMD light source board(8) and it is connected in series between SMD light source board II (9);Described photo engine module (6) is by stem stem (5) Connecting line (11) is connected with lamp holder (2).
A kind of LED with thermal-radiating material inflates bulb lamp, it is characterised in that described adjacent SMD light source board(8) in parallel between inside;The plurality of SMD light source boardAnd SMD light source board (8) (9) between, series connection is even Connect;Described photo engine module (6) is connected with lamp holder (2) by the connecting line (11) on stem stem (5).
A kind of LED with thermal-radiating material inflates bulb lamp, it is characterised in that described SMD light source board(8) SMD paster lamp bead (13) and substrate (14), pad (19) and AC-DC switching electronic element (3) are included;Institute The material stating substrate (14) is metal basal board, or paper base plate, or epoxy glass-fiber-fabric substrate;It is described that (SMD paster lamp bead (13) is blue One in light LED chip, red LED chip, green LED chip, yellow light LED chip, purple LED chip or its any group Close;Described SMD paster lamp bead (13) is fixed on substrate (14) upper surface;Described SMD light source board(8) by pad (19) with SMD light source board(9) it is welded to connect with connecting plate (10).
A kind of LED with thermal-radiating material inflates bulb lamp, it is characterised in that described metal The outer surface of substrate is provided with silver coating, or Gold plated Layer, or tin coating.
A kind of LED with thermal-radiating material inflates bulb lamp, it is characterised in that described hot spoke Penetrate material layer (21) by thermal emissivity rate more than 0.5 thermal-radiating material form;Described thermal-radiating material is graphite, white carbon black, graphite Any one in alkene, CNT, nickel oxide, ferrum oxide, paint, titanium dioxide, barium sulfate;The thickness of described thermal-radiating material layer Degree is 10 nanometers to 5mm.
A kind of LED with thermal-radiating material inflates bulb lamp, it is characterised in that described SMD Light source board (9) substrate (14) is included;Described substrate (14) surface is provided with SMD paster lamp bead (13), hole (20) and pad (19).
A kind of LED with thermal-radiating material inflates bulb lamp, it is characterised in that described core Post (5) is provided with exhaustor (15), connecting line (11), sealing (16) and support column (17);Described sealing (16) and cell-shell (4) it is tightly connected;Described connecting line (11) passes sealing (16), respectively with photo engine module (6) and outside driving power supply Connect;It is internal that described exhaustor (15) is positioned at stem stem (5);Described photo engine module (6) is fixed on support column by binding agent (17) on.
A kind of LED with thermal-radiating material inflates bulb lamp, it is characterised in that described gas (7) it is the one in helium, hydrogen, nitrogen, argon or its combination in any.
A kind of LED with thermal-radiating material inflates bulb lamp, it is characterised in that described cell-shell (4) A type cell-shell or G type cell-shell or p-type cell-shell or Type B cell-shell or c-type cell-shell or T-shaped cell-shell are used;Described lamp holder (2) Use E type or Type B or GU type or GX type or GZ type.
CN201610571971.0A 2016-07-20 2016-07-20 LED inflatable bulb lamp with thermal radiation material Pending CN106015989A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610571971.0A CN106015989A (en) 2016-07-20 2016-07-20 LED inflatable bulb lamp with thermal radiation material

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Application Number Priority Date Filing Date Title
CN201610571971.0A CN106015989A (en) 2016-07-20 2016-07-20 LED inflatable bulb lamp with thermal radiation material

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106402693A (en) * 2016-12-05 2017-02-15 武汉市福臣贸易有限公司 LED lamp bulb with novel structure
CN106439537A (en) * 2016-12-05 2017-02-22 武汉市福臣贸易有限公司 Efficient heat dissipation type LED bulb
CN108253320A (en) * 2018-03-07 2018-07-06 佛山电器照明股份有限公司 LED bulb based on integrated stem
CN113494684A (en) * 2020-04-08 2021-10-12 漳州立达信光电子科技有限公司 Filament lamp and manufacturing method thereof

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CN104235658A (en) * 2014-10-17 2014-12-24 上海新凯元照明科技有限公司 Columnar LED bulb
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CN105065945A (en) * 2015-08-20 2015-11-18 浙江阳光照明电器集团股份有限公司 LED bulb lamp
CN105485541A (en) * 2016-01-06 2016-04-13 山东晶泰星光电科技有限公司 Whole-light-distribution type LED lamp
CN205806998U (en) * 2016-07-20 2016-12-14 山东晶泰星光电科技有限公司 A kind of LED with thermal-radiating material inflates bulb lamp

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Publication number Priority date Publication date Assignee Title
CN102011949A (en) * 2009-09-07 2011-04-13 铼阔光电(上海)有限公司 Direct-connected LED (Light-Emitting Diode) lighting tube
CN104769057A (en) * 2012-09-28 2015-07-08 韩化石油化学株式会社 Radiation paint composition and radiation structure
CN103899943A (en) * 2012-12-28 2014-07-02 浙江锐迪生光电有限公司 LED energy-saving lamp with U-shaped lamp tube
CN104235658A (en) * 2014-10-17 2014-12-24 上海新凯元照明科技有限公司 Columnar LED bulb
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106402693A (en) * 2016-12-05 2017-02-15 武汉市福臣贸易有限公司 LED lamp bulb with novel structure
CN106439537A (en) * 2016-12-05 2017-02-22 武汉市福臣贸易有限公司 Efficient heat dissipation type LED bulb
CN106402693B (en) * 2016-12-05 2022-09-20 武汉市福臣贸易有限公司 LED bulb with novel structure
CN106439537B (en) * 2016-12-05 2022-10-04 武汉市福臣贸易有限公司 High-efficient heat dissipation type LED bulb
CN108253320A (en) * 2018-03-07 2018-07-06 佛山电器照明股份有限公司 LED bulb based on integrated stem
CN113494684A (en) * 2020-04-08 2021-10-12 漳州立达信光电子科技有限公司 Filament lamp and manufacturing method thereof

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