CN204204855U - LED lamp and filament thereof - Google Patents
LED lamp and filament thereof Download PDFInfo
- Publication number
- CN204204855U CN204204855U CN201420756323.9U CN201420756323U CN204204855U CN 204204855 U CN204204855 U CN 204204855U CN 201420756323 U CN201420756323 U CN 201420756323U CN 204204855 U CN204204855 U CN 204204855U
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- Prior art keywords
- led
- board
- flexible base
- led chip
- bonding area
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/4805—Shape
- H01L2224/4809—Loop shape
- H01L2224/48091—Arched
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model discloses a kind of LED lamp and filament thereof.Described LED silk, comprise fluorescent glue, helical form flexible base, board, and two welding electrodes, the first end that flexible base, board is oppositely arranged and the second end, two welding electrodes are arranged at least one of first end and the second end, flexible base, board comprises the first side and the second side that are oppositely arranged, at least one of first side and the second side is provided with crystal bonding area, crystal bonding area is provided with multiple LED chip, LED chip is connected by gold thread, the coated crystal bonding area of fluorescent glue and LED chip, flexible base, board is provided with equally distributed multiple through hole, through hole conducting first side and the second side.Compared with prior art, the utility model has following Advantageous Effects: can reduce number of welds, simplified manufacturing technique, improves and produces yield and production efficiency, and production cost reduces; Realize 360 ° of full angle uniformly light-emittings, obviously reduce luminous shadow region, Stability Analysis of Structures, not fragile.
Description
Technical field
The utility model relates to a kind of LED lamp and filament thereof, belongs to technical field of semiconductor illumination.
Background technology
Along with the development of LED technology, LED silk bulb lamp enters huge numbers of families.Current LED silk generally adopts hard substrate, as sapphire, pottery etc., in conjunction with LED chip, is made into barcode LED filament by techniques such as encapsulation.Because hard substrate makes LED silk moulding solidification single, the light fixture that this LED silk is made is difficult to reach 360 ° of uniformly light-emittings, and make luminous dark space obvious, Luminescence Uniformity is poor.
Further, when manufacturing LED bulb, need by spot-welding technology, LED wire bond is connected on wick column's surrounding of bulb.At present, the barcode LED filament adopting hard substrate to make, is subject to the restriction of bulb size and filament moulding, when making 2W bulb, usually in C35 bulb, uses 2 LED silks, needs welding 4 solder joints in manufacture process; And when making 4W bulb, then in A60 bulb, use 4 LED silks, need welding 8 solder joints in manufacture process.Because solder joint is more, cause the manufacturing process of existing LED silk bulb complicated, production efficiency is low, and fraction defective is high, and the consistency of product is poor.
Utility model content
For at least one of solving the problems of the technologies described above, the purpose of this utility model is to provide a kind of LED lamp and filament thereof, can carry out 360 ° of uniformly light-emittings, and when manufacturing LED lamp, technique is simple, solder joint is few, to solve the problem that in prior art, dark space is obvious and production yield is low.
One of for achieving the above object, the utility model one execution mode provides a kind of LED silk, it is characterized in that, comprise fluorescent glue, helical form flexible base, board, and two welding electrodes, the first end that described flexible base, board is oppositely arranged and the second end, two described welding electrodes are arranged at least one of described first end and described second end, described flexible base, board comprises the first side and the second side that are oppositely arranged, at least one of described first side and described second side is provided with crystal bonding area, described crystal bonding area is provided with multiple LED chip, described LED chip is connected by gold thread, the coated described crystal bonding area of described fluorescent glue and described LED chip, described flexible base, board is provided with equally distributed multiple through hole, first side described in described through hole conducting and described second side.
As further improvement of the utility model, two described welding electrodes are arranged at described first end and described second end respectively.
As further improvement of the utility model, the spiral number of turns of described flexible base, board is not less than two circles.
As further improvement of the utility model, described LED chip period profile is on described crystal bonding area.
As further improvement of the utility model, described flexible base, board is set to silver-plated copper substrate, silver-plated iron substrate or plastic material.
As further improvement of the utility model, described flexible base, board be set to cone helical form or etc. circle helical form.
As further improvement of the utility model, described fluorescent glue is the mixture of heat conductive silica gel and fluorescent material.
As further improvement of the utility model, described LED chip is gone here and there successively by described gold thread and is connected.
As further improvement of the utility model, described LED chip part is arranged on described through hole.
One of for achieving the above object, the utility model one embodiment further provides a kind of LED lamp, comprises LED silk as above.
Compared with prior art, the LED lamp of the utility model one execution mode and filament thereof, have following Advantageous Effects: the number of welds that 1) can reduce LED silk and wick column's welding wire, simplified manufacturing technique, improves and produce yield and production efficiency; 2) 360 ° of full angle uniformly light-emittings can be realized, obviously reduce luminous shadow region, reduce dazzle, make luminescence more evenly soft; 3) reduce raw material use amount, encapsulation and integration degree improves, and reduces production cost; 4) stabilized structure, not fragile.
Accompanying drawing explanation
Fig. 1 is the partial schematic diagram of the LED lamp of the utility model one execution mode;
Fig. 2 is the close-up schematic view of the LED silk of the utility model one execution mode.
Embodiment
Below with reference to embodiment shown in the drawings, the utility model is described in detail.But these execution modes do not limit the utility model, the structure that those of ordinary skill in the art makes according to these execution modes, method or conversion functionally are all included in protection range of the present utility model.
Referring to Fig. 1, Fig. 2, Fig. 1 is the partial schematic diagram of the utility model one execution mode LED lamp, and Fig. 2 is the close-up schematic view of the LED silk of the utility model one execution mode.LED lamp comprises LED silk 1, and LED silk 1 comprises flexible base, board 11, and flexible base, board 11 is set to helical form.And then with the LED silk 1 of flexible base, board 11 formation also for helical form.During concrete enforcement, flexible base, board 11 can be set to three-dimensional trochoid spiral shape or wait justify helical form, in the present embodiment, is set to trochoid spiral shape.Certainly, in the specific implementation, as required flexible base, board 11 can be set to two-dimensional helical shape, these all do not depart from the utility model skill equivalent implementations of doing of spirit or change and all should be included within protection range of the present utility model yet.The LED lamp of the utility model one execution mode and filament thereof adopt helical form flexible base, board, spacing between the two adjacent rings of spiral can regulate as required, thus the length of suitable flexible base, board 11 can be set according to the quantity of LED chip 10, and the significant change of the size of lamp can not be caused; And flexible base, board 11 is set to helical form, multi-angle luminescence can be realized.
Flexible base, board 11 has the first end 111 and the second end 112 that are oppositely arranged, and at least one of first end 111 and the second end 112 is provided with welding electrode, and welding electrode comprises the first welding electrode 121 and the second welding electrode (not shown).During concrete enforcement, the first welding electrode 121 and described second welding electrode can be arranged at first end 111(or the second end 112 jointly) on; Also can be arranged at respectively on first end 111 and the second end 112.In the present embodiment, the first welding electrode 121 is arranged at first end 111, and described second welding electrode is arranged at the second end 112, and arrange like this and the two ends of LED silk 1 in LED lamp can be made all to have support, structure is more firm.
Flexible base, board 11 has the first side and the second side that are oppositely arranged, and at least one of described first side and described second side is provided with crystal bonding area, and described crystal bonding area is provided with multiple LED chip 10.During concrete enforcement, when described first side and described second side are provided with described crystal bonding area, LED chip 10 is arranged on described crystal bonding area, described first side and described second side all has LED chip 10 luminous, thus strengthens the illumination effect of LED silk 1.Connected by gold thread 13 between LED chip 10, thus realizing circuit is connected.Connected mode between concrete LED chip can be that LED chip 10 both positive and negative polarity is sequentially connected in series, and also can be that LED chip 10 adopts and is connected in parallel, also can be both there is series connection in circuit also to exist and be connected in parallel.
LED silk 1 also comprises fluorescent glue 14, the coated described crystal bonding area of fluorescent glue 14 and LED chip 10.In the present embodiment, fluorescent glue 14 is the mixture of heat conductive silica gel and fluorescent material, and described heat conductive silica gel is high viscosity heat conductive silica gel, and LED chip 10 is luminous, excites described fluorescent material can send corresponding white light.
Described LED lamp also comprises wick column 2, and it is iron, iron-nickel alloy etc. that described wick column 2 comprises Glass lamp column jecket 21 and the first welding wire 221 and the second welding wire 222, first welding wire 221 and the second welding wire 222 preferred material.In the present embodiment, LED silk 1 is as follows with wick column 2 welding step: LED silk 1 spiral is arranged at the surrounding of wick column 2, the coaxial setting of preferred wick column 2 and LED silk 1; First welding wire 221 passes in the middle of Glass lamp column jecket 21, first welding wire 221 is connected by spot welding or bond technology with the first welding electrode 121, second welding wire 222 is connected by spot welding or bond technology with described second welding electrode, any one in first welding electrode 121 and described second welding electrode is positive pole, accordingly, another is negative pole.For the ease of welding, the first welding electrode 121 and described second welding electrode are preferably the metal electrodes such as iron, iron nickel plating, copper nickel plating.The LED lamp of the utility model one execution mode and filament thereof, welding of LED silk 1 and wick column 2 can be realized by two solder joints, can not increase welding times along with the increase of LED chip 10 demand, manufacturing process is simple, is greatly conducive to the raising of yield and efficiency.Such as, when making power is the filament of about 2W, arranging LED chip is 50, only needs welding two solder joints; When making the filament of about 4W, arranging LED chip is 100, also completes making by welding two solder joints.
Utility model is enhancing 360 ° of full angle illumination effects, and the spiral number of turns of flexible base, board 11 is set to be not less than two circles, preferably two circles half.In addition, in order to reduce dark space, the back side, flexible base, board 11 is provided with equally distributed multiple through hole 115, first side described in the conducting of each through hole 115 and described second side, the light that through hole 115 is conducive to LED chip 10 passes, 360 ° of full angle luminescences of LED silk 1 can be strengthened, effectively reduce dark space.LED chip 10 period profile is on described crystal bonding area, concrete, and each cycle can be set to comprise multiple LED chip, also can be set to comprise single led chip.In the embodiment depicted in figure 2, through hole 115 is set to 51, and through hole 115 is equally spaced, LED chip 10 is set to 50, arrange a LED chip 10 between adjacent two through holes 115, also namely a periodic packets contains a LED chip 10, thus LED chip 10 distribution performance period.In other embodiments, also according to need described LED chip can be set to the period profile of other modes, such as, described through hole is set to 51 that are equally spaced, described LED chip number is 100, each cycle is then set and comprises two described LED chips, between adjacent two described through holes, two described LED chips are set.Above-mentioned change does not all depart from the utility model skill equivalent implementations of doing of spirit or changes and all should be included within protection range of the present utility model.Through hole 115 shape can be set to circle, triangle, rectangle, ellipse, rhombus etc., circular, circle can make through light softer, LED silk 1 luminous evenly.In addition, in the utility model one execution mode, also can be arranged on described through hole by described LED chip part, the light sent to make described LED chip can pass described through hole, reduces the luminous dark space of described filament.
Flexible base, board 11 is set to the material with post forming ability, such as, and silver-plated copper substrate, silver-plated iron substrate or plastic material etc.In the present embodiment, adopt copper base, electrosilvering on substrate, can well improve the reflectance of flexible base, board 11, increases the luminous efficiency of LED silk 1.
In addition, in the utility model one execution mode, the width of flexible base, board 11 is 0.5-10mm, and thickness is 0.1-1mm, and preferred width is 1mm, and thickness is 0.15mm, and length can regulate as required voluntarily.In the present embodiment, flexible base, board 11 is set to trochoid spiral shape, can conveniently weld and utilize the processing technology of traditional bulb lamp like this.Through hole 115 preferably adopts circle, round diameter 0.5mm.
Compared with prior art, the LED lamp of the utility model one execution mode and filament thereof, have following Advantageous Effects: the number of welds that 1) can reduce LED silk and wick column's welding wire, simplified manufacturing technique, improves and produce yield and production efficiency; 2) 360 ° of full angle uniformly light-emittings can be realized, obviously reduce luminous shadow region, reduce dazzle, make luminescence more evenly soft; 3) reduce raw material use amount, encapsulation and integration degree improves, and reduces production cost; 4) stabilized structure, not fragile.
Be to be understood that, although this specification is described according to execution mode, but not each execution mode only comprises an independently technical scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should by specification integrally, technical scheme in each execution mode also through appropriately combined, can form other execution modes that it will be appreciated by those skilled in the art that.
Detailed description listed is above only illustrating for feasibility execution mode of the present utility model; they are also not used to limit protection range of the present utility model, all do not depart from the utility model skill equivalent implementations of doing of spirit or change all should be included within protection range of the present utility model.
Claims (10)
1. a LED silk, it is characterized in that, comprise fluorescent glue, helical form flexible base, board, and two welding electrodes, the first end that described flexible base, board is oppositely arranged and the second end, two described welding electrodes are arranged at least one of described first end and described second end, described flexible base, board comprises the first side and the second side that are oppositely arranged, at least one of described first side and described second side is provided with crystal bonding area, described crystal bonding area is provided with multiple LED chip, described LED chip is connected by gold thread, the coated described crystal bonding area of described fluorescent glue and described LED chip, described flexible base, board is provided with equally distributed multiple through hole, first side described in described through hole conducting and described second side.
2. LED silk according to claim 1, is characterized in that, two described welding electrodes are arranged at described first end and described second end respectively.
3. according to the LED silk described in claim 1, it is characterized in that, the spiral number of turns of described flexible base, board is not less than two circles.
4. LED silk according to claim 1, is characterized in that, described LED chip period profile is on described crystal bonding area.
5. LED silk according to claim 1, is characterized in that, described flexible base, board is set to silver-plated copper substrate, silver-plated iron substrate or plastic material.
6. LED silk according to claim 1, is characterized in that, described flexible base, board be set to cone helical form or etc. circle helical form.
7. LED silk according to claim 1, is characterized in that, described fluorescent glue is the mixture of heat conductive silica gel and fluorescent material.
8. LED silk according to claim 1, is characterized in that, described LED chip is connected in series or in parallel by described gold thread.
9. LED silk according to claim 1, is characterized in that, described LED chip part is arranged on described through hole.
10. a LED lamp, is characterized in that, comprises the LED silk described in any one of claim 1 ~ 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420756323.9U CN204204855U (en) | 2014-12-05 | 2014-12-05 | LED lamp and filament thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420756323.9U CN204204855U (en) | 2014-12-05 | 2014-12-05 | LED lamp and filament thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204204855U true CN204204855U (en) | 2015-03-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420756323.9U Expired - Fee Related CN204204855U (en) | 2014-12-05 | 2014-12-05 | LED lamp and filament thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204204855U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104465638A (en) * | 2014-12-05 | 2015-03-25 | 苏州紫昱天成光电有限公司 | LED lamp and filament thereof |
| CN105226167A (en) * | 2015-11-02 | 2016-01-06 | 杭州电子科技大学 | A kind of flexible LED filament of full angle luminescence and manufacture method thereof |
| CN108155280A (en) * | 2017-12-15 | 2018-06-12 | 广东昭信照明科技有限公司 | A kind of LED filament and its manufacturing method |
| CN109716013A (en) * | 2016-09-01 | 2019-05-03 | 昕诺飞控股有限公司 | Luminescent device |
| CN113517267A (en) * | 2021-06-11 | 2021-10-19 | 深圳市思坦科技有限公司 | Flexible display structure and electronic equipment |
-
2014
- 2014-12-05 CN CN201420756323.9U patent/CN204204855U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104465638A (en) * | 2014-12-05 | 2015-03-25 | 苏州紫昱天成光电有限公司 | LED lamp and filament thereof |
| CN105226167A (en) * | 2015-11-02 | 2016-01-06 | 杭州电子科技大学 | A kind of flexible LED filament of full angle luminescence and manufacture method thereof |
| CN105226167B (en) * | 2015-11-02 | 2017-06-27 | 杭州电子科技大学 | A kind of luminous flexible LED filament of full angle and its manufacture method |
| CN109716013A (en) * | 2016-09-01 | 2019-05-03 | 昕诺飞控股有限公司 | Luminescent device |
| CN109716013B (en) * | 2016-09-01 | 2020-12-18 | 昕诺飞控股有限公司 | Light emitting device |
| CN108155280A (en) * | 2017-12-15 | 2018-06-12 | 广东昭信照明科技有限公司 | A kind of LED filament and its manufacturing method |
| CN113517267A (en) * | 2021-06-11 | 2021-10-19 | 深圳市思坦科技有限公司 | Flexible display structure and electronic equipment |
| CN113517267B (en) * | 2021-06-11 | 2024-04-30 | 深圳市思坦科技有限公司 | Flexible display structure and electronic equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20150311 Termination date: 20191205 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |