CN102654251A - Lamp holder structure of light-emitting device and light-emitting device provided with the lamp holder structure - Google Patents
Lamp holder structure of light-emitting device and light-emitting device provided with the lamp holder structure Download PDFInfo
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- CN102654251A CN102654251A CN2011104312085A CN201110431208A CN102654251A CN 102654251 A CN102654251 A CN 102654251A CN 2011104312085 A CN2011104312085 A CN 2011104312085A CN 201110431208 A CN201110431208 A CN 201110431208A CN 102654251 A CN102654251 A CN 102654251A
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Abstract
The invention provides a lamp holder structure of a light-emitting device. The lamp holder structure is characterized in that, deformation due to heat during tin soldering is prevented, and a lead for power supply is easily inserted in a lead insertion hole. The lamp holder structure is provided with a resin body member provided with an illuminant and a cylindrical lamp holder installing core part; a lamp holder cover housing with the external surface forming external screw threads and forming a reducing part at the end portion of a side opposite to the side at which the lamp holder installing core part is covered as a cylindrical body covering the holder installing core part; a lamp holder adapter with one side forming a tip part and the other side disposed at the top end part of the holder installing core part, and provided with a lead insertion hole going through from the top end of the tip part to the opposite side, and a flange part protruding from the peripheral side surface; and a pair of leads for power supply. The lamp holder adapter is disposed at the top end of the lamp holder installing core part and then covered in the installing core part via the lamp holder cover housing, the flange part of the lamp holder adapter is fixedly clamped between the top end of the lamp holder installing core part and the reducing part of the lamp holder cover housing, the top of one party of lead for power supply goes through the internal of the lamp holder installing core part and the lead insertion hole of the lamp holder adapter, and is fixed at the top end surface of the tip part via tin soldering.
Description
Technical field
The present invention relates to have used with light emitting diode (LED) as the holder structure of the light-emitting device of illuminator representative, that caloric value is lower and have the light-emitting device of this holder structure.
Background technology
Compare with based on halogen bulb in the past, light emitting diode (below be called " LED ") has the low and long such advantage of life-span of consumption electric power.The ecology consciousness of demander improves, and simultaneously, as one of strategy of Saving Energy, its scope of application is expanded rapidly, in recent years, uses the output of the light-emitting device of this LED sharply to increase.
So, in the light-emitting device that uses based on halogen bulb, generally speaking, the body member that this based on halogen bulb is installed uses the high pottery of hear resistance etc.Yet; Use with LED as representative, with the occasion of the light-emitting device of comparing the little illuminator of caloric value (below be called " lower calorific value illuminator ") with the based on halogen bulb of the luminous quantity of degree, the so high hear resistance requirement when not having based on halogen bulb of the employed material of body member.Therefore; In the light-emitting device that uses the lower calorific value illuminator; Material as this body member; Though want simultaneously the such requirement of the whole lightweight of light-emitting device to be increased through selecting hear resistance not as good as pottery etc. but light weight and be shaped and be easy to " resin " is carried out the shaping of body member easily.
Patent documentation 1: No. 3045563 communique of Japan registration utility model patent
Summary of the invention
Yet,, might in the manufacture process of lamp holder, produce other problems only with the body member in the light-emitting device of ester moulding use based on halogen bulb in the past.
For example; As disclosed in the patent documentation 1; Replace pottery; Form the outstanding occasion that is provided with the lamp holder installation of tubular with the body member of core with resin, be used for its externally threaded metal tubular lamp holder case that is screwed into lamp socket is covered on this lamp holder is installed with core, then being formed with on the surface from its lower surface; Install under the state that the lead inserting hole with the core top stretches out from being formed on lamp holder making, carry out the soldering built-up welding on this top and the lead inserting hole is filled up from the lead of the power supply circuits of the inside that is housed in body member.Like this, when installing at lamp holder when carrying out the soldering built-up welding with the top of core, the heat of the soldering flatiron that the temperature of the LED when luminous is taller might make this top deform and become defective product, become the reason that makes decrease in yield.
The problem of the heat during for fear of such soldering; For example in patent documentation 1; As shown in Figure 5, also develop such structure: lamp holder case 1 is integrally formed with the eyelet portion 4 that is formed with lead inserting hole 2, and the lamp holder that is enclosed within body member 5 is installed with on the core 3.Yet; In this structure; When on installing with core 3 toward lamp holder lamp holder case 1, overlapping; Must make the lead inserting hole 2 of power supply with the top inserting hole eye 4 of lead 6, be difficult owing to be imbued with flexible power supply with location and this fixed-site of lead 6, so the efficient of raising assembling work is difficult.
The present invention is developed in view of such prior art problems point.Therefore major subjects of the present invention is; A kind of holder structure of light-emitting device is provided; So this holder structure since the heat can be the time because of soldering be out of shape and can improve yield rate and reduce cost, and, thereby power supply is inserted admittance line inserting hole easily with lead and can be improved the efficient of assembling work.
The invention of record does in the technical scheme 1,
" a kind of holder structure of light-emitting device is characterized in that, comprising:
Be used for a pair of power supply to 14 power supplies of said illuminator with lead 34,35,
After said lamp holder adapter 40 being provided in the top ends of said lamp holder installation with core 30; Said lamp holder case 38 is coated on said lamp holder to be installed with on the core 30; The said flange part 50 of said lamp holder adapter 40 is clipped in said lamp holder to be installed between the said reducing diameter part 48 with the top of core 30 and said lamp holder case 38; Make said lamp holder adapter 40 be able to be fixed by this
One side's said power supply is passed said lamp holder with the top of lead 34 and is installed with the said lead inserting hole 54 of the inside of core 30 and said lamp holder adapter 40 and to be fixed on the top ends of said pointed nose 52 by soldering surperficial ".
According to holder structure of the present invention; Top installing with core 30 from the resinous body member 12 outstanding lamp holders that are provided with is equipped with the lamp holder adapter 40 that forms with the extremely low and high heat-resisting insulation hear resistance material of conductance; And; Pass the top of the side's that the lead inserting hole that is formed on the lamp holder adapter 40 54 arrives power supply, be fixed on by soldering on the top ends surface of the pointed nose 52 on this lamp holder adapter 40 with lead 34.
Like this; Because soldering is fixed with the member of power supply with the top of lead 34; Be lamp holder adapter 40, form, so can avoid because the possibility that this soldering deforms the pointed nose 52 of lamp holder adapter 40 from the heat of soldering flatiron fixedly the time with insulation hear resistance material.
In addition; Because the lamp holder case 38 of lamp holder adapter 40 and tubular is to constitute as single member each other; So do not mind the installation of lamp holder case 38,, the top ends with core 30 be installed Yi Bian lamp holder adapter 40 is provided in lamp holder on one side can make power supply insert admittance line inserting hole 54 with the top of lead 34; Therefore, can assemble with good efficiency.
Say again; Though being shaped as E11, E17 etc., confirming of lamp holder 18 according to the external diameter of lamp holder case 38; But,, at least only just can tackle with the external diameter of core 30 and the diameter of lamp holder case 38 through changing the lamp holder installation even variation has taken place the form of lamp holder 18 according to holder structure of the present invention; Lamp holder adapter 40 can use the identical thing of shape (to represent compared to Figure 1 the occasion that the diameter of lamp holder 18 is bigger among Fig. 4.)。
In addition, form " hear resistance " of the insulation hear resistance material of lamp holder adapter 40, the character that the heat when its implication is meant not because of soldering fixedly is out of shape.Therefore, be somebody's turn to do the concrete heat resisting temperature that " hear resistance " meaned, change according to the fusing point of employed scolding tin, the temperature of employed soldering flatiron.
In addition; " illuminator " is not limited to LED; Start from and " resin " hear resistance that material had and the relation of thermal conductivity that constitute body member 12; So long as the caloric value of illuminator can be when luminous with these body member 12 fusings, and the member of the cause thermal damage degree that can himself do not sent gets final product, no matter and its illumination mode, rated voltage and rated current etc. how.
In addition; Lamp holder adapter 40 is configured in lamp holder the top ends with core 30 is installed; Then; Only on this lamp holder is installed with core 30, coat lamp holder case 38, just can the flange part 50 of lamp holder adapter 40 be clipped in lamp holder and install with between the reducing diameter part 48 of the top of core 30 and lamp holder case 38 and this lamp holder adapter 40 is fixed.Because need not utilize means such as adhesive, welding or soldering to be installed in lamp holder to lamp holder adapter 40 installs with core 30, so can further improve the efficient of assembling operation.
The invention of being put down in writing in the technical scheme 2 relates to the improvement of the holder structure of record in the technical scheme 1, it is characterized in that,
" on the outer surface of said lamp holder installation, be formed with external screw thread 44 with core 30, and
On the inner surface of said lamp holder case 38, be formed with and said external screw thread 44 corresponding internal threads 46,
And the section that said lamp holder is installed with the top ends inner face of core 30 is formed polygonal shape, and
The section of the end side 40a of said lamp holder adapter 40 is formed polygonal shape and is embedded in said lamp holder to be installed with the top ends of core 30 inboard.
According to holder structure of the present invention; Because being twisted with core 30 with respect to the lamp holder installation of body member 12, closes lamp holder case 38, so, even when lamp holder case 38 is installed; Do not need means such as adhesive, welding or soldering yet, can further improve the efficient of assembling operation.
Install with the top ends of core 30 inboard owing to the end side 40a that is formed the lamp holder adapter 40 of polygonal shape is embedded in the lamp holder that is formed polygonal shape equally; So; As stated; Lamp holder case 38 is installed with respect to the lamp holder of body member 12 twist with core 30 close in; Lamp holder adapter 40 does not rotate with lamp holder case 38, can avoid taking place because mistake makes 40 rotations of lamp holder adapter cause being distorted in core 30 in the lamp holder installation with lead 34 by the power supply that soldering is fixed on the lamp holder adapter 40, or situation about twisting off in very serious occasion.
The invention of being put down in writing in the technical scheme 3 does,
" the light-emitting device 10 of the holder structure of being put down in writing in the scheme that possesses skills 1 or 2.
According to the present invention; Raising will have stable on heating lamp holder adapter and be provided in the top of resinous lamp holder installation with core, and the heat when avoiding owing to soldering deforms, and; Through this lamp holder adapter is constituted the operating efficiency in the time of to improve assembling as the member with the lamp holder split.
Description of drawings
Fig. 1 is the cutaway view that expression has been suitable for light-emitting device of the present invention.
Fig. 2 is that expression has been suitable for the lamp holder of light-emitting device of the present invention and the amplification view of peripheral structure thereof.
Fig. 3 is the exploded perspective view of the expression holder structure relevant with the present invention.
Fig. 4 is the cutaway view that expression is formed with the light-emitting device of other forms of lamp holder.
Fig. 5 is the figure of expression prior art.
The specific embodiment
Below, about being suitable for embodiments of the invention, describe with accompanying drawing.Fig. 1 is the cutaway view of the expression light-emitting device 10 relevant with present embodiment, and Fig. 2 is lamp holder 18 and the amplification view of peripheral structure thereof in the presentation graphs 1.In addition, Fig. 3 is the exploded perspective view of the holder structure of the expression light-emitting device 10 relevant with present embodiment.
As shown in Figure 1, be suitable for light-emitting device 10 of the present invention, substantially by constituting: body member 12, illuminator 14, power supply circuits 16, lamp holder 18, the reflector 20 that is provided with as required, and radiator grille 22 like the lower part.
The inner space 24a of illuminator resettlement section 24 and the inner space 26a of socket portion 26 are interconnected, and are equipped with illuminator installation component 28 at the boundary of two inner space 24a, 26a.And lamp holder is installed with being formed with lamp holder that the space outerpace that makes below among the figure inner space 26a with socket portion 26 is interconnected on the core 30 and is installed with the interior intercommunicating pore 32 of core and (that is to say that the lamp holder installation uses core 30 to be tubular.), slotting being connected with is used for the power supply of giving power supply circuits 16 from the electric power of lamp holder 18 with lead 34 in this intercommunicating pore 32.In addition, in the present embodiment, a pair of power supply is with in the lead 34,35; Having only side power supply to insert logical lamp holder with lead 34 installs with intercommunicating pore 32 in the core; The opposing party's power supply is with lead 35, as hereinafter will as described in, after passing bottom intercommunicating pore 33 space 26a directly being drawn out to the outside internally; Be connected on the upper side side face of lamp holder case 38; Wherein, bottom intercommunicating pore 33 is formed on the bottom surface of socket portion 26, and it is installed inner space 26a and is communicated with near the space outerpace the root of core 30 with lamp holder.But, also can make two sides' power supply all insert logical lamp holder installation with intercommunicating pore 32 in the core with lead 34,35.
In addition; Though in the present embodiment, it is integrally formed that above-mentioned illuminator resettlement section 24, socket portion 26 and lamp holder are installed with core 30, certainly; After split forms respectively with each one 24,26,30, through fitting together and constitute lamp body 12 and also be fine with bonding or stubborn known method such as close.In addition, illuminator resettlement section 24, socket portion 26 about split forms also can replace resin, and the material high with thermal conductivitys such as for example aluminium alloys forms, and the lamp holder installation is resinous getting final product with core 30 at least.
In the present embodiment, on the outer surface of lamp holder installation, be formed with external screw thread 44, and on the inner surface of lamp holder case 38, be formed with and this external screw thread 44 corresponding internal threads 46 with core 30.Thus, lamp holder case 38 is twisted with core 30 with respect to the lamp holder installation of body member 12 close, owing to do not need means such as adhesive, welding or soldering, thus can improve the efficient of assembling work, comparatively desirable.In addition; Above-mentioned external screw thread 44 and internal thread 46 are not necessary inscape of the present invention; Can lamp holder case 38 be coated on the lamp holder installation and use adhesive with back on the core 30; Also can lamp holder be installed outer shape with core 30 and form section and be polygonal shape, and the interior shape of lamp holder case 38 is formed corresponding section be polygonal shape, be coated on the lamp holder installation and do not carry out unexpected rotation with the lamp holder case 38 on the core 30 thereby make.
In addition, as the reducing diameter part 48 that the internal diameter that makes lamp holder case 38 dwindles, be coated on lamp holder in this lamp holder case 38 and install on the end with the opposition side on the core 30 and be formed with inside flange part.As hereinafter will as described in, this reducing diameter part 48 has flange part 50 through the lateral circle surface that will be formed on lamp holder adapter 40 and is clipped in itself and lamp holder and installs with between the top end face (lower surface among the figure) of core 30 and the function that this lamp holder adapter 40 is fixed.Certainly, this reducing diameter part 48 is not a necessary inscape of the present invention yet, installs on the top end face with core 30 if with adhesive etc. lamp holder adapter 40 is fixed on lamp holder, does not just need this reducing diameter part 48.
In addition, in the present embodiment, as stated, outstandingly on the lateral circle surface of lamp holder adapter 40 be provided with flange part 50 (flange part 50 can be the outstanding form that is provided with on whole lateral circle surface, also can be the partly outstanding form that is provided with.)。And; Can the section of the end side 40a of lamp holder adapter 40 be formed polygonal shape, in this occasion, the section that lamp holder is installed with the top ends inboard of core 30 also forms polygonal shape; Thus; Lamp holder case 38 is installed with respect to lamp holder twist with core 30 close in, lamp holder adapter 40 no longer rotates with lamp holder case 38, can avoid supplying power making by the fixing lamp holder adapter 40 of soldering with lead 34 mistakes and rotate and cause supplying power and be distorted in core 30 in the lamp holder installation with lead 34; Situation about when very serious, twisting off, comparatively desirable.
In addition, as hereinafter will as described in, the implication of " hear resistance " that is used to form the hear resistance material of lamp holder adapter 40 is, is not fixed on the character that the heat in the 52 last times of pointed nose of this lamp holder adapter 40 is out of shape because of the top soldering with lead 34 of will supplying power.Therefore, be somebody's turn to do the concrete heat resisting temperature that " hear resistance " meaned, change according to the fusing point of employed scolding tin, the temperature of employed soldering flatiron.
The reflector 20 that is provided with as required is that the side is formed with the bowl-like member of reflecting surface 56 within it, and wherein, reflecting surface 56 is used to make the light reflection of self-luminous body 14, and this reflector 20 is embedded among the inner space 24a of illuminator resettlement section 24 of body member 12.Though the reflecting surface 56 of present embodiment with smooth curved surface constitute (this curved surface can be arbitrary surfaces such as spheroid, paraboloid of revolution or free form surface.), but being divided into small section formation reflecting surface 56, it also is fine.
The radiator grille 22 that is provided with as required is that (be not limited to Merlon certainly, glass, polypropylene, polyethylene terephthalate (PET) etc. also can for the Merlon system of the peristome 24b (and peristome 20b of reflector 20) that covers the illuminator resettlement section 24 of body member 12.) transparent component, it has the effect that prevents user's false touch illuminator 14 grades.
Below, the step of just assembling the light-emitting device 10 of present embodiment describes.At first; Peristome 24b from the illuminator resettlement section 24 of body member 12 accommodates the inner space 26a of socket portion 26 with power supply circuits 16, passes with the top ends of lead 34,35 and is located at lamp holder respectively and installs with the installation of the lamp holder on the core 30 and be drawn out to the outside with intercommunicating pore in the core 32 and bottom intercommunicating pore 33 that the bottom surface of socket portion 26 is set being connected a pair of power supply on the power supply circuits 16 in advance.
Then, on one side a side power supply is inserted the lead inserting holes 54 of logical lamp holder adapters 40 with lead 34, end side 40a is embedded into the lamp holder installation with the intercommunicating pore in the core 32 from the lamp holder installation with the tip side of core 30 on one side.After 40 embeddings of lamp holder adapter; Begin lamp holder case 38 is installed with twisting on the core 30 toward lamp holder; Till the reducing diameter part 48 that is sandwiched in lamp holder case 38 and lamp holder being installed fix with the flange part 50 of the lamp holder adapter 40 between the top end face of core 30; After tightening lamp holder case 38, the upper end riveting is lived, prevent that lamp holder case 38 from rotating.
At last, be drawn out in advance outside a pair of power supply with the top of lead 34,35 respectively soldering be fixed on the upper end lateral circle surface of pointed nose 52 and lamp holder case 38 of lamp holder adapter 40, lamp holder 18 is promptly accused completion.
After accomplishing, lamp holder 18 (certainly, also can prior to lamp holder 18.); From peristome 24b insert illuminator installation component 28 and with its be embedded in socket portion 26 inner space 26a illuminator resettlement section 24 side ends and fix that (at this moment, making a pair of illuminating electric power of self-powered circuit 16 to supply with lead 36 inserts logical the illuminating electric power supply lead inserting hole (not shown) of the upper surface of illuminator installation component 28 and lower surface connection and its top is exposed in the inner space 24a of illuminator resettlement section 24.)。
Then; Illuminator 14 is installed in the upper surface of illuminator installation component 28; With scolding tin etc. a pair of illuminating electric power is supplied with after lead 36 is fixed on this illuminator 14; Reflector 20 is embedded among the inner space 24a of illuminator resettlement section 24, last, radiator grille 22 is embedded among the peristome 24b of illuminator resettlement section 24 and fixes.
Holder structure according to present embodiment; Top installing with core 30 from the resinous body member 12 outstanding lamp holders that are provided with is equipped with the lamp holder adapter 40 that forms with the hear resistance material; And, pass the power supply that comes is fixed on this lamp holder adapter 40 by soldering with the top of lead 34 pointed nose 52 from the lead inserting hole 54 that is formed on the lamp holder adapter 40.
Like this; Because soldering is fixed with the member of power supply with the top of lead 34; Being lamp holder adapter 40 forms with the hear resistance material, thus can avoid since this soldering fixedly the time from the heat of soldering flatiron, the possibility that the pointed nose 52 of lamp holder adapter 4 is deformed.
In addition; Because the lamp holder case 38 of lamp holder adapter 40 and tubular is to constitute as single member each other; So can separate with the installation of lamp holder case 38, Yi Bian make power supply insert admittance line inserting hole 54 with the top of lead 34, Yi Bian lamp holder adapter 40 is provided in the top of the lamp holder installation of body member 12 with core 30; Therefore, can assemble with good efficiency.
Say again; Though being shaped as E11, E17 etc., confirming of lamp holder 18 according to the external diameter of lamp holder case 38; But,, at least only need also can tackle with the external diameter of core 30 and the diameter of lamp holder case 38 through changing the lamp holder installation even variation has taken place the form of lamp holder 18 according to holder structure of the present invention; Lamp holder adapter 40 can use the identical adapter of shape (to represent compared to Figure 1 the situation that the diameter of lamp holder 18 is big among Fig. 4.)。
Description of reference numerals
10... light-emitting device
12... body member
14... illuminator
16... power supply circuits
18... lamp holder
20... reflector
22... radiator grille
24... illuminator resettlement section
26... socket portion
28... illuminator installation component
30... installing, lamp holder uses core
32... lamp holder is installed with intercommunicating pore in the core
33... bottom intercommunicating pore
34, lead is used in the 35... power supply
36... illuminating electric power is supplied with lead
38... lamp holder case
40... lamp holder adapter
(42... the lamp holder case) external screw thread
(44... lamp holder install with core) external screw thread
(46... the lamp holder case) internal thread
48... reducing diameter part
50... flange part
52... pointed nose
54... lead inserting hole
56... reflecting surface
Claims (3)
1. the holder structure of a light-emitting device is characterized in that, comprising:
Illuminator is installed for resinous body member, said resinous body member and core is used in the outstanding lamp holder installation that is provided with tubular;
The lamp holder case; Said lamp holder case is formed with external screw thread on the surface outside; Be to be coated on said lamp holder to install with the cylindrical body on the core, be coated on the end that said lamp holder installs with that opposite side of that side on the core and be formed with the reducing diameter part that internal diameter is dwindled;
Lamp holder adapter with the formation of insulation hear resistance material; Side at said lamp holder adapter is formed with pointed nose; And opposite side is provided in said lamp holder the top ends with core is installed, and this lamp holder adapter has the lead inserting hole that penetrates into opposition side from the top of said pointed nose and the flange part of the outstanding setting from all sides; With
Be used for using lead to a pair of power supply of said illuminator power supply,
After said lamp holder adapter being provided in the top ends of said lamp holder installation with core; With said lamp holder case be coated on said lamp holder install with on the core, the said flange part of said lamp holder adapter be clipped in said lamp holder install between the said reducing diameter part with the top of core and said lamp holder case; Make said lamp holder adapter be able to be fixed by this
One side's said power supply is passed said lamp holder with the top of lead and is installed with the inside of core and the said lead inserting hole of said lamp holder adapter, and is fixed on the top ends surface of said pointed nose by soldering.
2. like the holder structure of record in the claim 1, it is characterized in that,
On the outer surface of said lamp holder installation, be formed with external screw thread with core, and
On the inner surface of said lamp holder case, be formed with and the corresponding internal thread of said external screw thread,
And then the section that said lamp holder is installed with the top ends inner face of core is formed polygonal shape, and
The section of the end of the opposite side of said lamp holder adapter is formed polygonal shape and is embedded in said lamp holder to be installed with the top ends of core inboard.
3. a light-emitting device is characterized in that, has the holder structure that claim 1 or 2 is put down in writing.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011045342A JP4913247B1 (en) | 2011-03-02 | 2011-03-02 | Base structure of light emitting device and light emitting device having the same |
| JP2011-045342 | 2011-03-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102654251A true CN102654251A (en) | 2012-09-05 |
Family
ID=46170961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104312085A Pending CN102654251A (en) | 2011-03-02 | 2011-12-21 | Lamp holder structure of light-emitting device and light-emitting device provided with the lamp holder structure |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4913247B1 (en) |
| CN (1) | CN102654251A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104359021A (en) * | 2014-10-21 | 2015-02-18 | 泰州市华强照明器材有限公司 | Led cup lamp |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012226883A (en) * | 2011-04-18 | 2012-11-15 | Hitachi Appliances Inc | Lamp device |
| WO2013182939A1 (en) * | 2012-06-05 | 2013-12-12 | Koninklijke Philips N.V. | A base for an electrical lamp and a method of assembling a base for an electrical lamp |
| JP2014146509A (en) * | 2013-01-29 | 2014-08-14 | Phoenix Denki Kk | LED lamp |
| JP6405607B2 (en) * | 2013-08-19 | 2018-10-17 | 三菱電機株式会社 | Lighting lamp and lighting device |
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| JP3012234B1 (en) * | 1999-03-05 | 2000-02-21 | 住友大阪セメント株式会社 | Paper feed roller and manufacturing method thereof |
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- 2011-03-02 JP JP2011045342A patent/JP4913247B1/en not_active Expired - Fee Related
- 2011-12-21 CN CN2011104312085A patent/CN102654251A/en active Pending
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| JP2007048638A (en) * | 2005-08-10 | 2007-02-22 | Pearl Denkyu Seisakusho:Kk | Lighting fixture |
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| CN104359021A (en) * | 2014-10-21 | 2015-02-18 | 泰州市华强照明器材有限公司 | Led cup lamp |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4913247B1 (en) | 2012-04-11 |
| JP2012182073A (en) | 2012-09-20 |
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Application publication date: 20120905 |