CN103423672B - Large-angle LED bulb lamp - Google Patents
Large-angle LED bulb lamp Download PDFInfo
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- CN103423672B CN103423672B CN201310375301.8A CN201310375301A CN103423672B CN 103423672 B CN103423672 B CN 103423672B CN 201310375301 A CN201310375301 A CN 201310375301A CN 103423672 B CN103423672 B CN 103423672B
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- lamppost
- substrate
- astigmatism
- astigmatism portion
- led light
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- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
A kind of large-angle LED bulb lamp, including lamp holder, bulb housing, lamppost, substrate and multiple LED light sources, the lamppost is arranged on the middle part at the top of the lamp holder, the bulb housing is located at around the lamppost, the top of the lamppost is provided with an astigmatism portion, the top surface in the astigmatism portion is plane and set towards the top of the bulb housing, the side in the astigmatism portion is set towards the side wall of the bulb housing and bottom, the astigmatism portion is made up of transparent or semitransparent material, the astigmatism portion passes through scattering material provided with light, the LED light source is arranged on the substrate back, the area of the substrate is less than the area of the astigmatism portion top surface, the light that LED light source on the substrate back is sent irradiates towards the astigmatism portion.The large-angle LED bulb lamp has the characteristics of light distribution angle is big, good heat dissipation effect.
Description
Technical field
The present invention relates to field of LED illumination, particularly a kind of large-angle LED bulb lamp.
Background technology
In recent years, LED chip applies to room lighting field as light source and is rapidly progressed.People are constantly exploring
A kind of problem that LED light distribution angles can be overcome small.Traditional LED ball bulb, its light distribution angle are generally less than 180 degree, by
In the solid luminescence characteristic of LED light source, it is difficult to wide-angle and light.In order to increase lighting angle, it is attempted to light
Source is arranged on multiaspect column.Such as authorized announcement date is on October 31st, 2012, in Patent No. 201220060615.X
State's utility model patent discloses a kind of specular removal Large-angle LED lamp bulb.The specular removal Large-angle LED lamp bulb includes base enclosure, position
Lamp holder in these base enclosure bottom, the constant-current supply being installed on inside these base enclosure, it is covered at the top of these base enclosure
Cover plate, be fixed on above these cover plate in cubical radiating column, house these radiating columns and base enclosure with these
Connected diffuser, wherein, the bottom surface of these radiating column is installed on these cover plate, and its lap posts pcb board, often
Distribution is welded with several LED chips on piece pcb board.The big-angle LED lamp needs LED chip being welded on radiating column.
Although this method can increase the brightness of the LED side, need to weld multiple LED in each side of support
Chip, this allows for LED manufacturing process complexity, is not easy to assemble and produces.
The content of the invention
In view of this, it is necessary to which large-angle LED bulb lamp a kind of simple in construction and big lighting angle is provided.
A kind of large-angle LED bulb lamp, including lamp holder, bulb housing, lamppost, substrate and multiple LED light sources, the lamppost are set
At the middle part at the top of the lamp holder, the bulb housing is located at around the lamppost, and the top of the lamppost is provided with an astigmatism portion, and this dissipates
The top surface in light portion is plane and set towards the top of the bulb housing, the side wall and bottom of the side in the astigmatism portion towards the bulb housing
Portion is set, and the astigmatism portion is made up of transparent or semitransparent material, and the astigmatism portion passes through scattering material, the LED light provided with light
Source is arranged on the substrate back, and the area of the substrate is less than the area of the astigmatism portion top surface, the LED light on the substrate back
The light that source is sent irradiates towards the astigmatism portion, and the astigmatism portion is used for the light that the LED light source is sent towards the top of the bulb housing
Portion, side wall and bottom refraction.
Compared with prior art, the large-angle LED bulb lamp at the top of lamp holder by setting lamppost, at the top of lamppost
Astigmatism portion is set, and the top surface in the astigmatism portion sets substrate, LED light source is arranged on the substrate back, the area of the substrate
The cross-sectional area maximum less than the astigmatism portion so that the light that these LED light sources are sent irradiates towards the astigmatism portion, is dissipated by this
Light portion is pointed into the inwall of the bulb housing after light is scattered, so as to increase the lighting angle of whole lamp.Due to not needing mounting bracket,
And multiple LED light sources are welded in side face, so as to simplify structure, this, which allows for the large-angle LED bulb lamp, has knot
The advantages of structure is simple and lighting angle is big.
Brief description of the drawings
Fig. 1 is the three-dimensional exploded view of the large-angle LED bulb lamp of first embodiment of the invention.
Fig. 2 is the diagrammatic cross-section after the assembling of large-angle LED bulb lamp shown in Fig. 1.
Description of reference numerals：
The connecting portion of 100 large-angle LED bulb lamp 23
The through hole of 10 bulb housing 24
The substrate of 11 heat transfer part 30
The LED light source of 20 lamppost 31
The lamp holder of 21 astigmatism portion 40
22 accepting grooves
Embodiment
The present invention is described in further detail with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the three-dimensional exploded view of the large-angle LED bulb lamp 100 of first embodiment of the invention, and the large-angle LED ball steeps
Lamp 100 includes lamp holder 40, bulb housing 10, lamppost 20, substrate 30 and multiple LED light sources 31, and the lamppost 20 is arranged on the lamp holder 40
Top middle part.The bulb housing 10 was hemisphere cell-shell, and the bulb housing 10 is located at around the lamppost 20.
Fig. 1 and Fig. 2 is refer to, the top of the lamppost 20 is provided with astigmatism portion 21, and the astigmatism portion 21 is hemispherical dome structure, when
So, or other structures.The top surface in the astigmatism portion 21 is plane and set towards the top of the bulb housing 10, the astigmatism portion
21 hemispheric sides are set towards the side wall of the bulb housing 10 and bottom.The astigmatism portion 21 is by transparent or semitransparent material system
Into the outer surface in the astigmatism portion 21 passes through scattering material coated with light, it is of course also possible to use other modes set the light to pass through
Scattering material.The astigmatism portion 21 is used for the light that the LED light source 31 is sent towards the top of the bulb housing 10, side wall and bottom
Refraction.The lamppost 20 also includes connecting portion 23, and the connecting portion 23 is integrally formed in the bottom of the lamppost 20, and the connecting portion 23 is set
Put at the top of the lamp holder 30.The connecting portion 23 is round estrade structure.The lamppost 20 is made into integration by high thermal conductivity materials.The lamp
The bottom opening of cell-shell 10 to should the connecting portion 23 of lamppost 20 be provided with heat transfer part 11, the heat transfer part 11 and the heat of connecting portion 23
Connection.The heat transfer part 11 of the bulb housing 10 be to should connecting portion 23 be arranged to truncated cone-shaped shell structure, the heat transfer part 11 with should
Heat transfer glue is provided between connecting portion 23.The outer surface of the connecting portion 23 is provided with reflector layer (not shown).
Fig. 1 and Fig. 2 is refer to, the substrate 30 is annulus laminated structure, by transparent or semitransparent material highly heat-conductive material system
Into.A part for these LED light sources 31 is arranged on the front of the substrate 30, and another part is arranged on the back side of the substrate 30 (such as
Shown in Fig. 2).The substrate 30 is arranged on the middle part of the top surface of astigmatism portion 21, and the area of the substrate 30 is less than the maximum of astigmatism portion 31
Cross-sectional area, these LED light sources 31 each other is arranged at equal intervals the substrate 30 front and the back side on.The astigmatism portion 21
Top be provided with accepting groove 22 and be used to house the LED light source 31 at the back side of substrate 30.These LED light sources 31 and the accepting groove 22 it
Between be provided with transparent or semitransparent Heat Conduction Material, the Heat Conduction Material is liquid.The back side of the substrate 30 is flattened on the astigmatism portion 21
Top surface, it is thermally coupled with the top surface in the astigmatism portion 21.The light that LED light source 31 on the back side of substrate 30 is sent is towards the astigmatism portion
Irradiation.The substrate 30 is provided with line layer (not shown), and the line layer electrically connects with these LED light sources 31.In the lamppost 20
Portion is provided with through hole 24, and the line layer is electrically connected by the through hole 24 with the driving (not shown) being arranged in the lamp holder 30.
During work, because these LED light sources 31 are arranged on the front and back of the substrate 30, and the back side of the substrate 30 with
The top surface in the astigmatism portion 21 is thermally coupled, therefore the light that sends of the positive LED light source 31 of the substrate 30 is towards the top of the bulb housing 10
Portion is irradiated.Because the astigmatism portion 21 provided with light passes through scattering material, and the area of the substrate 30 is less than the top surface of astigmatism portion 21
Area, therefore, the light that the LED light source 31 at the back side of substrate 30 is sent will illuminate the astigmatism portion 21, and the astigmatism portion 21 will be towards this
All inwall scattering lights of bulb housing 10, so that the large-angle LED bulb lamp 100 can realize large angle illumination.Its
In be arranged on the effect of positive LED light source 31 and be to make up the light sheltered from by the substrate 30.In terms of radiating, the astigmatism
The heat that these LED light sources 31 in portion 21 distribute is delivered to the astigmatism portion 21 by the substrate 30, then by the bottom of lamppost 20
Connecting portion 23 be delivered to heat transfer part 11 on the bulb housing 10.Because the lamppost 20 is made up of high thermal conductivity materials, and should
Heat transfer glue is provided between heat transfer part 11 and the connecting portion 23, therefore heat successfully can be delivered to the bulb from the lamppost 20
It is dispersed on shell 10 in air.
In summary, the large-angle LED bulb lamp 100 at the top of the lamp holder 40 by setting lamppost 20, in the lamppost
20 top sets astigmatism portion 21, and the top surface in the astigmatism portion 21 sets substrate 30, is set at the back side of the substrate 30 multiple
LED light source 31, because the area of the substrate 30 is less than the maximum cross-sectional area in the astigmatism portion 21, it is saturating that the astigmatism portion 21 is provided with light
Scattering material is crossed, hence in so that the light that these LED light sources 31 are sent will irradiate towards the astigmatism portion 21, will by the astigmatism portion 21
The inwall of the bulb housing 10 is pointed into after light scattering, so as to increase the lighting angle of whole lamp.If it should be noted that substrate
30 area is more than the maximum cross-sectional area in the astigmatism portion 21, then, the astigmatism portion 21 is sent to the top of bulb housing 10
Light will be blocked by the substrate 30, and the light distribution for the light that the positive LED light source 31 of the substrate 30 is sent can not possibly be more than 180
Degree, this will produce dark space at the middle part of the bulb housing 10.So in order to which luminous intensity distribution is uniform, the area of the substrate 30 dissipates less than this
The maximum cross-sectional area in light portion 21 is necessary.In addition, in terms of radiating, the large-angle LED bulb lamp 100 by height by being led
Lamppost 20 made of conductivity material, connecting portion 23 is set in the bottom of the lamppost 20, and in the bottom opening pair of the bulb housing 10
Should the connecting portion 23 of lamppost 20 heat transfer part 11 is set, the heat transfer part 11 of the bulb housing 10 and the lamppost 20 are made by the glue that conducts heat
Connecting portion 23 is attached so that heat can be transmitted by the lamppost 20 caused by these LED light sources 31 on the lamppost 20
Exterior space is diffused to the bulb housing 10, then from the bulb housing 10, because the large-angle LED bulb lamp 100 has and white heat
The same profile of lamp, it is simple in construction, exempt the use of independent radiating piece, can be realized greatly plus the large-angle LED bulb lamp 100
Angle lights, and the embodiment that this wide-angle lights need not be by welding multiple LED light sources, so as to have in side face
There is the advantages of technique is simple, is easy to manufacture.
If it should be understood that the substrate 30 were made of transparent or semitransparent material, the LED light at the back side of substrate 30
The light that source 31 is sent can shine directly into the top of the bulb housing 10, in this case, the base by the substrate 30 upwards
30 positive LED light source of plate can not have to set.
The above is only presently preferred embodiments of the present invention, is not intended to limit the invention, any those skilled in the art
Do not departing from this programme technical scope, it is equivalent to change on an equal basis can ought to make few modifications using the technology contents of above-mentioned exposure
Embodiment.In every case to depart from technical solution of the present invention content, according to the technology of the present invention essence to made for any of the above embodiments
What modification, equivalent substitution, improvement etc., should be included within the scope of protection of the invention.
Claims (10)
1. a kind of large-angle LED bulb lamp, including lamp holder, bulb housing, lamppost, substrate and multiple LED light sources, the lamppost are arranged on
The middle part at the top of the lamp holder, the bulb housing are located at around the lamppost, it is characterised in that：The top of the lamppost is provided with one and dissipated
Light portion, the top surface in the astigmatism portion are set for plane and towards the top of the bulb housing, and the side in the astigmatism portion is towards the bulb housing
Side wall and bottom set, the astigmatism portion is made up of transparent or semitransparent material, and the astigmatism portion passes through scattering material provided with light,
The LED light source is arranged on the substrate back, and the area of the substrate is less than the maximum cross-sectional area in the astigmatism portion, the base
The light that LED light source in back is sent irradiates towards the astigmatism portion, and the astigmatism portion is used for the light court for sending the LED light source
Reflected to the top of the bulb housing, side wall and bottom.
2. large-angle LED bulb lamp according to claim 1, it is characterised in that：The substrate is annulus laminated structure, the base
Plate is arranged on the middle part of the astigmatism portion top surface, and the LED light source is set on the substrate at equal intervals.
3. large-angle LED bulb lamp according to claim 1, it is characterised in that：The top in the astigmatism portion is provided with accepting groove
For housing the LED light source.
4. large-angle LED bulb lamp according to claim 3, it is characterised in that：Between the LED light source and the accepting groove
Provided with transparent or semitransparent Heat Conduction Material.
5. large-angle LED bulb lamp according to claim 4, it is characterised in that：The Heat Conduction Material is liquid.
6. large-angle LED bulb lamp according to claim 1, it is characterised in that：The lamppost also includes connecting portion, the connection
Portion is integrally formed in the bottom of the lamppost, and the connecting portion is arranged on the top of the lamp holder, and the lamppost is made up of high thermal conductivity materials,
The bottom opening of the bulb housing to should the connecting portion of lamppost be provided with heat transfer part, the heat transfer part and the connecting portion are thermally coupled.
7. large-angle LED bulb lamp according to claim 6, it is characterised in that：The connecting portion of the lamppost is round estrade knot
Structure, the top of the connecting portion are connected with the astigmatism portion, the heat transfer part of the bulb housing be to should connecting portion truncated cone-shaped housing knot
Structure, heat transfer glue is provided between the heat transfer part and the connecting portion.
8. large-angle LED bulb lamp according to claim 1, it is characterised in that：The substrate is transparent or semitransparent material
It is made.
9. large-angle LED bulb lamp according to claim 1, it is characterised in that：LED light also is provided with the front of the substrate
Source.
10. large-angle LED bulb lamp according to claim 1, it is characterised in that：The back side of the substrate and the astigmatism portion
Top surface is thermally coupled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310375301.8A CN103423672B (en) | 2013-08-26 | 2013-08-26 | Large-angle LED bulb lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310375301.8A CN103423672B (en) | 2013-08-26 | 2013-08-26 | Large-angle LED bulb lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103423672A CN103423672A (en) | 2013-12-04 |
| CN103423672B true CN103423672B (en) | 2017-11-28 |
Family
ID=49648821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310375301.8A Active CN103423672B (en) | 2013-08-26 | 2013-08-26 | Large-angle LED bulb lamp |
Country Status (1)
| Country | Link |
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| CN (1) | CN103423672B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989981A (en) * | 2015-07-07 | 2015-10-21 | 厦门李氏兄弟有限公司 | LED bulb |
| CN107435821A (en) * | 2016-05-26 | 2017-12-05 | 漳州立达信光电子科技有限公司 | Led |
| CN108006450A (en) * | 2017-11-09 | 2018-05-08 | 安徽世林照明股份有限公司 | A kind of LED lamp bead of entirety filament and its filament connection method |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201326924Y (en) * | 2008-11-27 | 2009-10-14 | 佑浩股份有限公司 | Bulb structure |
| CN101865369B (en) * | 2009-04-16 | 2014-04-30 | 富准精密工业(深圳)有限公司 | Light-emitting diode lamp |
| CN101581408B (en) * | 2009-07-01 | 2011-01-05 | 北京高科能光电技术有限公司 | LED bulb |
| US10359151B2 (en) * | 2010-03-03 | 2019-07-23 | Ideal Industries Lighting Llc | Solid state lamp with thermal spreading elements and light directing optics |
| KR20110133386A (en) * | 2010-06-04 | 2011-12-12 | 엘지이노텍 주식회사 | Lighting device |
| CN102155664A (en) * | 2011-04-13 | 2011-08-17 | 胡文松 | High-illumination LED (light emitting diode) lamp bulb with 360-degree full fire angle |
| CN102679219A (en) * | 2012-05-15 | 2012-09-19 | 惠州Tcl照明电器有限公司 | LED (Light-Emitting Diode) bulb lamp |
| CN203082594U (en) * | 2012-12-04 | 2013-07-24 | 张维 | Annular prism light emitting diode (LED) bulb lamp |
| CN203478012U (en) * | 2013-08-26 | 2014-03-12 | 立达信绿色照明股份有限公司 | Wide angle LED bulb |
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2013
- 2013-08-26 CN CN201310375301.8A patent/CN103423672B/en active Active
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| CN103423672A (en) | 2013-12-04 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20170116 Address after: Xingtai Industrial Park Economic Development Zone, Changtai County, Fujian city of Zhangzhou province 363999 Applicant after: ZHANGZHOU LIDAXIN PHOTOELECTRON TECHNOLOGY CO., LTD. Address before: 363999 Xingda Road, Fujian city of Zhangzhou province Changtai Xingtai County Development Zone Applicant before: Leedarson Green Lighting Co., Ltd. |
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| GR01 | Patent grant |