CN102606931B - Low-temperature LED (light emitting diode) lighting device - Google Patents
Low-temperature LED (light emitting diode) lighting device Download PDFInfo
- Publication number
- CN102606931B CN102606931B CN201210083300.1A CN201210083300A CN102606931B CN 102606931 B CN102606931 B CN 102606931B CN 201210083300 A CN201210083300 A CN 201210083300A CN 102606931 B CN102606931 B CN 102606931B
- Authority
- CN
- China
- Prior art keywords
- socket
- jut
- body housing
- emitting diode
- light emitting
- 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.)
- Expired - Fee Related
Links
Landscapes
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention provides a low-temperature LED (light emitting diode) lighting device. The low-temperature LED lighting device comprises a main body case, a lamp socket arranged on the reduced end of the main body case, a substrate arranged at the opening on the enlarged end of the main body case, a plurality of LED beads, a transparent cover sheathed outside the substrate, and a drive circuit arranged on the substrate, wherein a columnar protruding part is arranged at the opening on the reduced end of the main body case, and a via-hole is formed in the axial direction of the main body case; matching threads are respectively arranged on the inner wall of the lamp socket and on the outer wall of the protruding part to realize fixed connection between the lamp socket and the protruding part; the lamp socket is connected with an external outlet through a thread formed on the outer wall of the lamp socket; and the joint between the lamp socket and the protruding part is not fixed with an adhesive so as to keep a seam for ventilation at the joint. By adopting the plurality of LED beads to substitute for a halogen lamp, the low-temperature LED lighting device provided by the invention can realize lighting in a low temperature environment, and can prolong the service life and reduce the power cost of the lighting device while reaching the brightness of the halogen lamp.
Description
Technical field
The present invention relates to a kind of at low ambient temperatures about the lighting device for throwing light on, being specifically related to a kind of low temperature environment light emitting diode illuminating apparatus.
Background technology
In the past, in incandescent lamp bulb, use tungsten filament, load the loss that inert gas prevents filament in bulb, this design is to increase the service life.In Halogen lamp LED, tungsten filament evaporating produces tungsten atom, the tungsten atom be evaporated combines at the near-wall of glass tube and halogen atom and becomes halogenated tungsten, then the halogen atom of halogenated tungsten is separated with tungsten atom again, tungsten atom returns on filament, due to this succession of halogen cycle, prevent the loss of filament, make it reach long lifetime object.
But, in Halogen lamp LED, want to allow above-mentioned halogen cycle successfully occur, must keep the temperature of glass tube more than 250 DEG C.Therefore, under the tube wall temperature of glass tube can not remain on the low temperature environment of more than 250 DEG C, the problem of the lost of life of Halogen lamp LED is had.Therefore, such as remaining in the cold storage warehouse under the low temperature of-20 DEG C ~-40 DEG C, if when fruit uses Halogen lamp LED illumination, Halogen lamp LED can become at short notice and can not use, the problem of Halogen lamp LED in the warehouse that can produce low temperature environment, must be exchanged continually.
For this situation, adopt the method that heater is set around Halogen lamp LED, have in actual use and utilize heating to have successfully to allow the example of halogen cycle.But arrange such heater, because heater consumption electric power is large, can increase electric power cost significantly, meanwhile, the problem that cooling effect worsens can be produced in the cold storage warehouse inside being provided with heater heating.
At present, the lighting device of prior art also has one illustrated in motion (such as Japanese documentation 1: JP 2000-200512) to use low consumption electric power and long-life LED light device.
A kind of LED disclosed in patent document 1, it can not set long-time use at low ambient temperatures.Meanwhile, LED is luminance shortage compared with Halogen lamp LED, can not use as the substitute of Halogen lamp LED in the illumination of cold storage warehouse inside.
Its main cause is as follows, and be provided with socket conventional on the past bulb above this kind of LED, this socket adopts the method for being undertaken bonding by adhesive to be fixed on the body of LED.Therefore, this LED, under the occasion keeping the low temperature condition in-20 DEG C ~-40 DEG C cryogenic freezing warehouses to use, often has socket and to drop example from body.Namely due to low temperature, adhesive deterioration causes its adhesive power to decline, and simultaneously under low-temperature condition, due to the difference of the shrinkage factor of socket and body, caulking part between socket and body also can be caused to loosen, cause socket can come off from body.
Simultaneously in order to improve brightness, this kind of LED has arranged many LED lamp bead, and this large amount of LED is arranged on the substrate of LED uniformly.Near the central part of LED, because other LED lamp bead a large amount of around it is surrounded, the heat energy sent from the LED lamp bead of central part is not easy circulation, causes the temperature of the LED lamp bead near central part and substrate thereof to compare with other part the problem having temperature too high.Like this, if once use the LED of the prior art under as this low temperature environment in cold storage warehouse inside, because the LED lamp bead near its periphery cools than being easier near outside air, LED temperature difference near periphery near LED lamp bead and central authorities can become quite large, the control of the electric current of LED and voltage can be caused more difficult, produce luminescence and the life-span non-persistent problem of LED.
Summary of the invention
The invention provides a kind of low temperature environment light emitting diode illuminating apparatus, can in picture cold storage warehouse long-lived operation low consumption electric power under low temperature environment, exchange frequency number of times is few, abatement power cost.
For achieving the above object, the invention provides a kind of low temperature environment light emitting diode illuminating apparatus, this device comprises:
Body housing, its two ends are set to respectively amplifies end and reduces end, and the area of section of this amplification end is greater than and reduces end, this amplification end and reduce end place opening respectively;
Socket, what it was arranged at body housing reduces end place;
Substrate, it is arranged at the amplification end opening place of body housing; The one side of this substrate towards body housing outside is provided with some LED lamp beads;
Translucent cover, it is arranged at the amplification end opening place of body housing, and is set in outside substrate; The gap for ventilating is left in the junction of this translucent cover and body housing;
Drive circuit, it is arranged on substrate in the one side of body housing inside; This drive circuit is connected with some LED lamp bead circuit;
The opening part reducing end of body housing is provided with the jut of column, and it is axially arranged with arrange and the through hole that be communicated with corresponding with reducing end opening;
Be characterized in, the inwall of above-mentioned socket with the outer wall of jut is respectively equipped with the screw thread mutually mated, this socket is fixed on jut by screw thread;
The outer wall of above-mentioned socket is also formed with screw thread; This socket is by the external socket that is threaded on its outer wall;
Above-mentioned socket and the junction of jut do not adopt binder to fix, and make the threaded connection place between socket and jut leave gap for ventilating.
Aforesaid substrate is provided with the middle section being positioned at central authorities, and is centered around the circular light emitting diode arrange regional outside this middle section; LED lamp bead is evenly arranged on this light emitting diode arrange regional.
The sidewall of above-mentioned translucent cover is provided with some grooves.
Above-mentioned body housing adopts the material with resistance to low temperature.
The top of above-mentioned socket is provided with insulation division, and this insulation division is provided with eyelet;
This lighting device also includes some spongy leads, and drive circuit is connected to eyelet by spongy lead circuit.
Above-mentioned jut lateral wall is axially arranged with at least one ditch along it;
Drive circuit also connects the lateral wall of socket by spongy lead circuit, a terminal circuit of this spongy lead connects drive circuit, and the ditch circuit of the other end on jut is connected to the lateral wall of socket.
Above-mentioned drive circuit also connects the madial wall of socket by spongy lead circuit, a terminal circuit of this spongy lead connects drive circuit, and the other end is folded between the madial wall of socket and the lateral wall of jut.
Low temperature environment light emitting diode illuminating apparatus of the present invention compared to the prior art, its advantage is, the present invention adopts some LED lamp beads, the normal Halogen lamp LED used in prior art is replaced to throw light under the low temperature environment of at least 0 DEG C and even-60 DEG C, guaranteeing under the prerequisite reaching the brightness requirement that Halogen lamp LED reaches, extend the working life of lighting device, reduce power cost;
The gap for ventilating is left in junction between body housing of the present invention and translucent cover, the gap for ventilating is left in threaded connection place simultaneously between its socket and thrust, the air in lamp can be naturally made to take a breath with extraneous air circulation, avoid under low-temperature working environment, producing condensation in light fixture and causing electrical equipment open circuit, extend the working life of lighting device;
LED lamp bead of the present invention is arranged with the circular outer rim along lighting device, avoids central part accumulation heat in light fixture, makes LED lamp bead heat energy homogenization distribution in light fixture, is conducive to heat radiation;
The shell of light fixture of the present invention is provided with some grooves, and in low temperature environment, installation personnel wears gloves when installing this lighting device, and the finger being convenient to installation personnel can be stablized and catches this lighting device, plays anti-skidding effect;
Body housing of the present invention adopts the material with resistance to low temperature, and its resistance to low temperature normally can work under the environment of-60 DEG C to-30 DEG C, extends the working life of lighting device;
The ditch circuit of spongy lead of the present invention on jut is connected to the lateral wall of socket, simple manufacturing process;
Spongy lead of the present invention to make it fixing and circuit is connected socket by being folded between jut with socket, simple manufacturing process.
Accompanying drawing explanation
Fig. 1 is the structural representation of low temperature environment light emitting diode illuminating apparatus of the present invention;
Fig. 2 is the sectional view of a kind of embodiment of jut and socket structure and spongy lead connected mode in low temperature environment light emitting diode illuminating apparatus of the present invention;
Fig. 3 is the sectional view of a kind of embodiment of spongy lead connected mode in low temperature environment light emitting diode illuminating apparatus of the present invention;
Fig. 4 is the structural representation of the substrate of low temperature environment light emitting diode illuminating apparatus of the present invention.
Detailed description of the invention
Below in conjunction with width figure, illustrate embodiments of the invention.
As shown in Figure 1, the invention discloses a kind of low temperature environment light emitting diode illuminating apparatus, this lighting device 100 comprises some LED lamp beads 110, substrate 120, drive circuit 130, body housing 140, translucent cover 150, socket 160.
Body housing 140 adopts funnelform shell, and its two ends are set to respectively amplifies end 142 and reduces end 144, and the area of section wherein amplifying end 142 is greater than and reduces end 144, this amplification end 142 and reduce end 144 place difference opening.Body housing 140 adopts the material with resistance to low temperature to make.In the present embodiment, the material of body housing 140 have employed the polycarbonate that normally can work under the low temperature environment of-30 DEG C to-60 DEG C, reduces deterioration at low ambient temperatures.
The opening part reducing end 144 at body housing 140 is provided with cylindric jut 146, and jut 146 is axially arranged with the through hole suitable with reducing end 144 opening, this through hole with reduce end 144 open communication.
Substrate 120 is the discoid substrates for arranging above-mentioned some LED lamp beads 110 and circuit thereof, and its amplification of being fixed on body housing 140 by several screws is held in 142 openings.LED lamp bead 110 is arranged on substrate 120 towards in the one side of body housing 140 outside, each LED lamp bead 110 on surface by being arranged of specifying.
LED lamp bead 110 adopts LED(Light Emitting Diode).In the present embodiment, LED lamp bead 110 uses the white light-emitting diode of 180.When being provided with a large amount of LED lamp bead 110 like this, lighting device 100 just can reach the same brightness that can reach with Halogen lamp LED in prior art.In the case, lighting device 100 can use as the substitute products of Halogen lamp LED completely.
Equally, LED lamp bead 110 is not limited only to the LED adopting white, and the LED of other color of light also can apply to this lighting device.
The number of LED lamp bead 110 is also not limited only to 180, also according to the brightness of necessity, can be used in more than this number or following LED lamp bead 110.
Translucent cover 150 is shells of the rounding tubular of covering protection LED lamp bead 110 and substrate 120.It is fixed on by some screws the opening part that body housing 140 amplifies end 142, and is set in outside substrate 120.In the present embodiment, the material of translucent cover 150 can adopt transparent polycarbonate.
In the present invention, translucent cover 150 leaves small gap with the junction of body housing 140, and the circulation that this gap is used for air between lighting device inside and the external world is taken a breath.
Drive circuit 130 is fixed on towards in the one side of body housing 140 inside on substrate 120 by some screws, and this drive circuit 130 is connected with LED lamp bead 110 and socket 160 circuit respectively, provides the connection of electric power between socket 16 and substrate 120.Comprise by alternating voltage that socket 160 provides (such as in drive circuit 130; AC100V) be transformed into the rectification circuit of DC voltage, the DC voltage regulation after conversion to the reduction voltage circuit of given voltage, and control the continuous current circuit of electric current of supply on each LED lamp bead 110.
Socket 160 be for the socket of connection bulb receive alternating voltage, the metal housing of with the end, rounding tubular.The shape size of socket 160 and the shape size of jut 146 suitable, the internal diameter size of socket 160 and the external diameter size of jut 146 match, the inwall of socket 160 and the outer wall of jut 146 are respectively equipped with the screw thread mutually mated, this socket 160 is fixed on jut 146 by screw thread simultaneously.On the outer wall of socket 160, be formed with screw thread simultaneously, be connected with external socket by this screw thread socket 160.In the present embodiment, socket 160 adopts general E26 specification, therefore, as long as lighting device 100 does not need special socket and other parts such as grade, the socket of general bulb is installed namely may use.Equally, socket 160 is not limited only to the specification of E26, and socket 160 also can adopt the specification of other screw-types of E39 and EX10 etc., or adopts plug-type specification of BA15d and B22d etc., or adopts the specification of needle-like of GU5.3 and G6.35 etc.
Because socket 160 adopts metal material to make, jut 146 adopts resin material to make.When socket 160 is fixedly connected with by screw thread with jut 146; it inevitably produces tiny gap each other; so in the prior art; usually binder can be adopted jut 146 and socket 160 be adhesively fixed; make to fixedly secure between jut 146 and socket 160, also realize the sealing between jut 146 and socket 160 simultaneously.
And in the present invention, socket 160 and jut 146 threaded connection place do not adopt binder to be fixed, make still to leave between socket 160 and jut 146 small gap, the circulation that this gap is used for air between lighting device inside and the external world is taken a breath.
When this lighting device works, gap between socket 160 and jut 146 and the gap cooperating between translucent cover 150 and body housing 140, extraneous air enters the inside of this lighting device by the gap between translucent cover 150 and body housing 140, owing to being subject to the heating of LED lamp bead 110, the inside of lighting device is flowed out at the air gap place risen between socket 160 and jut 146, the air in the external world of gap place simultaneously between translucent cover 150 and body housing 140 constantly enters, the air of lighting device inside is formed circulate, the inner generation because of atmosphere draught-free of lighting device is avoided to condense and cause electrical equipment open circuit.
The sidewall of translucent cover 150 is provided with some grooves.Shape size and the finger of this groove are suitable, and when in low temperature environment, installation personnel need be worn gloves and carry out work, if illumination device surface is level and smooth, then can and gloves between slide, be not easy to the installation of lighting device.In the present invention, body housing 140 is arranged and the suitable groove of finger, make installation personnel have gloves on carry out installment work time, finger can clamp lighting device, is convenient to the installation of this lighting device.Meanwhile, the overall dimensions shape of lighting device also so that the object that installation personnel is installed designs, facilitates installation personnel to install this lighting device in low temperature environment, also makes this lighting device be more suitable for illumination work at low ambient temperatures simultaneously.
Equally, above-mentioned groove, can also be arranged on the sidewall of body housing 140.
As shown in Figure 2, for amplifying the sectional view of the jut 146 and a kind of embodiment of socket 160 showing low temperature environment light emitting diode illuminating apparatus of the present invention.
Socket 160 includes nearly cylindric shell 162, and the opening part of shell 162 one end is formed with insulation division 164, and the ectocentral position of this insulation division 164 is provided with suborbiculate eyelet 166.The peripheral sidewall of shell 162 is formed with screw 162A, the internal thread of the socket of this screw 162A and bulb is suitable.This screw 162A pressurizes the concaveconvex structure of curl on the sidewall of the shell 162 of cylindrical shape.While the peripheral sidewall of shell 162 is formed screw 162A, enclose in shell 162 and also correspondingly on sidewall define internal thread 162B.
In the present embodiment, the lateral wall of jut 146 is provided with screw 146A, and the internal thread 162B of the socket 160 and screw 146A of jut 146 is suitable, and socket 160 is stably fixed together with body housing 140 by screw thread.The gap for ventilating is left in socket 160 and the threaded connection place of body housing 140 simultaneously.
In practical operation, socket 160 and body housing 140 keep stable in-30 DEG C ~-60 DEG C cold storage warehouses fix when Long-Time Service in order to allow.When not using lighting device, socket 160 can be unloaded from body housing 140 and separately preserves, to realize not allowing socket 160 relax as far as possible.
In the present embodiment, lighting device also includes two spongy leads: spongy lead 170A and spongy lead 170B.Spongy lead 170A is used for the shell 162 of socket 160 and is connected with the circuit between drive circuit 130, the shell 162 of socket 160 by the socket reception two-phase alternating current voltage of bulb, by spongy lead 170A by two-phase alternating current voltage transmission to drive circuit 130.The circuit that spongy lead 170B is used between drive circuit 130 with eyelet 166 on socket 160 is connected.
As shown in Figure 2, part jut 146 cutting face, protruding end forms protruding end ditch 146B, on jut 146 peripheral sidewall, from protruding end ditch 146B to jut 146 and reduce end 144 junction near be formed with peripheral ditch 146C in axial direction.Spongy lead 170A is connected with the lateral wall of shell 162 with peripheral ditch 146C by this protruding end ditch 146B.Specifically, spongy lead 170A extends to protruding end ditch 146B from peripheral ditch 146C, is connected to the drive circuit 130 in body housing 140 after the bending of ditch 146B place, protruding end.On one end that spongy lead 170A is connected with shell 162 lateral wall, turned back to the outside of shell 162 from the near proximal ends of jut 146 by under the state of shelling at its line crust, and be welded on the peripheral sidewall of shell 162.
Be welded to connect in the small space of spongy lead 170A not in socket 160 and between jut 146.But according to the above embodiments, spongy lead 170A passes the protruding end ditch 146B of jut 146 and peripheral ditch 146C, the peripheral sidewall of shell 162 welds, makes the simplification of manufacturing process, the stabilization of quality, productive raising, and abatement manufacturing cost.
On the other hand, one end of spongy lead 170B connects drive circuit 130, and the other end extends to eyelet 166 from the inner side of jut 146.Thus in actual installation, when socket 160 is on jut 146 after Matching installation, spongy lead 170B can weld in the peripheral surface of shell 162 through eyelet 166 easily, can simple manufacturing process.
As shown in Figure 3, be the sectional view of the another kind of embodiment of spongy lead 170A connected mode.Part jut 146 only cutting face, protruding end forms protruding end ditch 146B.One terminal circuit of spongy lead 170A connects drive circuit 130, its other end is peelled off line crust, between the madial wall being folded in the shell 162 of socket 160 by protruding end ditch 146B and the lateral wall of jut 146, spongy lead 170A is enclosed in shell 162 sidewall realizes crimping with socket 160 to be connected, the easy welding procedure of spongy lead 170A on shell 162, productivity, abatement manufacturing cost can be improved.
As shown in Figure 4, substrate 120 is provided with the middle section 120B being positioned at central authorities, and is centered around the circular light emitting diode arrange regional 120A outside this middle section 120B.LED lamp bead 110 is evenly arranged on the circular light emitting diode arrange regional 120A on substrate 120 surface.In other words, the immediate vicinity that LED lamp bead 110 is not arranged on substrate 120 is not easy on the middle section 120A that dispels the heat.Only LED lamp bead 110 is set on circular light emitting diode arrange regional 120A, the heat energy that each LED lamp bead 110 produces dispels the heat effectively, utilize low temperature environment to make the temperature of each LED lamp bead 110 can realize extremely uniformity dexterously, make LED lamp bead 110 that this patent product can be allowed for a long time luminous.
Therefore lighting device of the present invention is when keeping using in-30 DEG C ~-60 DEG C cold storage warehouses, make the LED 110 of 180 can unchangeably with the brightness of almost uniformity and tone luminous, make it can use as the substitute of Halogen lamp LED completely, also can prevent the damage of LED-baseplate 120 simultaneously.
Although content of the present invention has done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to limitation of the present invention.After those skilled in the art have read foregoing, for multiple amendment of the present invention and substitute will be all apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (4)
1. a low temperature environment light emitting diode illuminating apparatus, this device comprises:
Body housing (140), its two ends are set to respectively amplifies end (142) and reduce end (144), and the area of section of this amplification end (142) is greater than and reduces end (144), this amplification end (142) and reduce end (144) place and distinguish opening;
Socket (160), what it was arranged at body housing (140) reduces end (144) place;
Substrate (120), it is arranged at amplification end (142) opening part of body housing (140); The one side that this substrate (120) is outside towards body housing (140) is provided with some LED lamp beads (110);
Translucent cover (150), it is arranged at amplification end (142) opening part of body housing (140), and is set in substrate (120) outward; This translucent cover (150) leaves the gap for ventilating with the junction of body housing (140);
Drive circuit (130), it is arranged on substrate (120) in the one side that body housing (140) is inner; This drive circuit (130) is connected with some LED lamp beads (110) circuit;
The opening part that described body housing (140) reduces end (144) is provided with the jut (146) of column, and it is axially arranged with holds that (144) opening is corresponding to be arranged and the through hole be communicated with reducing;
It is characterized in that, the inwall of described socket (160) with the outer wall of jut (146) is respectively equipped with the screw thread mutually mated, this socket (160) is fixed on jut (146) by screw thread;
The outer wall of described socket (160) is also formed with screw thread; This socket (160) is by the external socket that is threaded on its outer wall;
The junction of described socket (160) and jut (146) does not adopt binder to fix, and makes the threaded connection place between socket (160) and jut (146) leave gap for ventilating;
The top of described socket (160) is provided with insulation division (164), and this insulation division (164) is provided with eyelet (166);
This lighting device also includes some spongy leads, and drive circuit (130) is connected to described eyelet (166) by spongy lead circuit;
The part described jut (146) cutting face, protruding end forms protruding end ditch (146B), on jut (146) peripheral sidewall, from protruding end ditch (146B) to close to jut (146) with reduce hold the junction of (144) be formed with peripheral ditch (146C) in axial direction; One end of one spongy lead (170A) extends to protruding end ditch (146B) from peripheral ditch (146C), is connected to the drive circuit (130) in body housing (140) after the bending of protruding end ditch (146B) place; On one end that this spongy lead (170A) is connected with shell (162) lateral wall, turned back to the outside of shell (162) from the near proximal ends of jut (146) by under the state of shelling at its line crust, and be welded on the peripheral sidewall of shell (162).
2. low temperature environment light emitting diode illuminating apparatus as claimed in claim 1, it is characterized in that, described substrate (120) is provided with the middle section (120B) being positioned at central authorities, and is centered around this middle section (120B) circular light emitting diode arrange regional (120A) outward; Described LED lamp bead (110) is evenly arranged on this light emitting diode arrange regional (120A).
3. low temperature environment light emitting diode illuminating apparatus as claimed in claim 1, it is characterized in that, the sidewall of described translucent cover (150) is provided with some grooves.
4. low temperature environment light emitting diode illuminating apparatus as claimed in claim 1, is characterized in that, described body housing (140) adopts the material with resistance to low temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210083300.1A CN102606931B (en) | 2012-03-27 | 2012-03-27 | Low-temperature LED (light emitting diode) lighting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210083300.1A CN102606931B (en) | 2012-03-27 | 2012-03-27 | Low-temperature LED (light emitting diode) lighting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102606931A CN102606931A (en) | 2012-07-25 |
| CN102606931B true CN102606931B (en) | 2015-05-27 |
Family
ID=46524563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210083300.1A Expired - Fee Related CN102606931B (en) | 2012-03-27 | 2012-03-27 | Low-temperature LED (light emitting diode) lighting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102606931B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102221144A (en) * | 2010-04-19 | 2011-10-19 | 日立空调·家用电器株式会社 | Led lamp bulb |
| CN202118607U (en) * | 2011-06-14 | 2012-01-18 | 东莞巨扬电器有限公司 | LED bulb without welding electrodes |
| CN202158386U (en) * | 2011-06-27 | 2012-03-07 | 东莞市新里程光电科技有限公司 | Light-emitting diode (LED) lamp bulb with improved structure |
| CN202493952U (en) * | 2012-03-27 | 2012-10-17 | 东日出市 | Low-temperature environment light-emitting diode (LED) illuminating device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012015035A (en) * | 2010-07-05 | 2012-01-19 | Build Up:Kk | Sensor built-in led bulb |
-
2012
- 2012-03-27 CN CN201210083300.1A patent/CN102606931B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102221144A (en) * | 2010-04-19 | 2011-10-19 | 日立空调·家用电器株式会社 | Led lamp bulb |
| CN202118607U (en) * | 2011-06-14 | 2012-01-18 | 东莞巨扬电器有限公司 | LED bulb without welding electrodes |
| CN202158386U (en) * | 2011-06-27 | 2012-03-07 | 东莞市新里程光电科技有限公司 | Light-emitting diode (LED) lamp bulb with improved structure |
| CN202493952U (en) * | 2012-03-27 | 2012-10-17 | 东日出市 | Low-temperature environment light-emitting diode (LED) illuminating device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102606931A (en) | 2012-07-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10473272B2 (en) | LED filament light source and lamp | |
| US7965023B1 (en) | LED lamp | |
| US9933148B2 (en) | LED light bulbs | |
| US8461752B2 (en) | White light lamp using semiconductor light emitter(s) and remotely deployed phosphor(s) | |
| US9644814B2 (en) | Luminaire with prismatic optic | |
| US11035524B2 (en) | Self-supporting filament light emitting diode light engine lamp assembly | |
| US9255685B2 (en) | Luminaire with prismatic optic | |
| KR20100120852A (en) | Led lamp | |
| JP5119438B2 (en) | Low temperature environment lighting equipment | |
| US10591152B2 (en) | LED lamp | |
| JP2011187161A (en) | Led light | |
| CN102606931B (en) | Low-temperature LED (light emitting diode) lighting device | |
| US9401468B2 (en) | Lamp with LED chips cooled by a phase transformation loop | |
| US9995437B2 (en) | LED bulb | |
| US10502371B2 (en) | LED-lamp | |
| CN202493952U (en) | Low-temperature environment light-emitting diode (LED) illuminating device | |
| CN107062764B (en) | Refrigerator and air duct assembly thereof | |
| JP2008257995A (en) | Lighting device | |
| US20100225218A1 (en) | Lighting Device | |
| CN203099576U (en) | Light-emitting-diode (LED) recessed lamp | |
| CN102829359A (en) | Light emitting diode (LED) lamp tube capable of changing power supply | |
| CN201661922U (en) | LED bulb lamp | |
| CN209762991U (en) | heat radiation structure of LED bulb | |
| US10514132B2 (en) | Apparatus having electroluminescent quantum dots | |
| CN103604051B (en) | A kind of LED lamp tube |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150527 Termination date: 20210327 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |