CN103542372A - Large-angle LED lamp bulb - Google Patents
Large-angle LED lamp bulb Download PDFInfo
- Publication number
- CN103542372A CN103542372A CN201310106151.0A CN201310106151A CN103542372A CN 103542372 A CN103542372 A CN 103542372A CN 201310106151 A CN201310106151 A CN 201310106151A CN 103542372 A CN103542372 A CN 103542372A
- Authority
- CN
- China
- Prior art keywords
- light source
- reflector
- source board
- bulb
- led
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
The invention discloses a large-angle LED lamp bulb which comprises a lamp head body, a lamp bulb casing, a support and three or more than three light source panels. The bottom of the lamp bulb casing is arranged at the top end of the lamp head body, LED light sources are arranged on the front side and the back side of each light source panel, the support is arranged in the middle of the top end of the lamp head body, a light reflection plate is arranged at the top of the support, the light source panels are annularly arranged at the periphery of the light reflection plate, the front side of each light source panel forms an obtuse angle with the light reflection plate, and the light reflection plate is used for reflecting light emitted by the LED light sources on the front sides of the light source panels to the top of the lamp bulb casing. Due to that fact that an LED light source arranged at the top of the support in the prior art, the large-angle LED lamp bulb has the advantage of being simple in structure.
Description
Technical field
The present invention relates to LED lighting field, particularly a kind of large-angle LED bulb.
Background technology
In recent years, LED chip applies to room lighting field as light source and is developed fast.Yet, because LED encapsulating structure has some limitations, existing LED light source can only be realized and is not more than the lighting angle of 180 ° and cannot as incandescent lamp, accomplishes omnibearing luminous.Want to make the LED lamp can replace incandescent, just must overcome the problem that LED lighting angle is little.Current technology is that LED light source is arranged on a support with three-dimensional surface, support is installed on to lamp holder top, thereby LED light source is vertically arranged with respect to lamp holder end face, makes light that LED light source sends towards the direction transmitting of whole lamp surrounding.For example Granted publication day is on October 31st, 2012, and the Chinese utility model patent that patent publication No. is 202511036 has disclosed a kind of high light efficiency large-angle LED bulb.This high light efficiency large-angle LED bulb comprises base shell, be positioned at described base shell bottom lamp holder, be installed on described base shell inside constant-current supply, be covered in described base shell top cover plate, be fixed on the diffuser that is cubical heat radiation column, accommodates described heat radiation column and be connected with described base shell of described cover plate top, wherein, the bottom surface of described heat radiation column is installed on described cover plate, its lap all posts pcb board, on every pcb board, distributes and is welded with several LED chips.Because this large-angle LED bulb need to arrange plurality of LEDs light source at the heat radiation column end face that is cubic type, just can be so that the bulb housing top of this large-angle LED bulb be brighter, this just makes whole lamp need several LED light sources are set more, thereby has increased technology difficulty and improved manufacturing cost.
Summary of the invention
In view of this, be necessary to provide a kind of large-angle LED bulb simple in structure.
The technical solution adopted for the present invention to solve the technical problems is: a kind of large-angle LED bulb, comprise body, bulb housing, support and three or three above light source boards, the bottom of this bulb housing is located at the top of this body, the front and back of each light source board is equipped with LED light source, this support is arranged on the middle part on this body top, the top of this support is provided with reflector, described light source board is arranged on the periphery of this reflector around this reflector circular array, the front of each light source board arranges in obtuse angle with this reflector respectively, this reflector is the direction reflection towards bulb housing top for light that the LED light source in this light source board front is sent.
Compared with prior art, this large-angle LED bulb is provided with reflector at a top of the trellis, its light source board is arranged on the periphery of this reflector around this reflector circular array, front and this reflector that the front and back of each light source board is equipped with LED light source and each light source board arrange in obtuse angle, thereby make light that this light source board front LED light source sends towards the direction reflection at bulb housing top.Like this, after the light that all light source boards front LED light source sends is reflected by this reflector, its whole lighting angle will enlarge markedly, and expand to the region that light source board back side LED light source irradiates, on bulb housing, there is no so obvious dark space, and the lighting angle of whole lamp is larger.Owing to having saved the setting of prior art medium-height trestle top LED light source, thereby make this large-angle LED bulb have advantages of simple in structure.
Accompanying drawing explanation
Fig. 1 is the three-dimensional exploded view of the large-angle LED bulb of first embodiment of the invention.
Fig. 2 is the three-dimensional exploded view of the large-angle LED bulb of second embodiment of the invention.
Description of reference numerals:
100,100a large-angle LED bulb 30 bulb housings
10 body 40 supports
20,20a light source board 42 back shafts
22,22a substrate 50,50a reflector
222, the positive 60a reflexed light ring of 222a
224, the 224a back side
24,24a LED light source
The specific embodiment
Below in conjunction with accompanying drawing and the specific embodiment, the present invention is described in further detail.
Fig. 1 is the three-dimensional exploded view of first embodiment of the invention large-angle LED bulb 100, and this large-angle LED bulb 100 comprises body 10, three light source boards 20, bulb housing 30, support 40 and reflectors 50.These three light source boards 20 and this reflector 50 are arranged on this support 40.This support 40 is arranged on this body 10.The bottom of this bulb housing 30 is located at the top of this body 10, and this bulb housing 30 surrounds a chamber with this body 10, and this support 40, these three light source boards 20 and this reflector 50 are housed in to the inside.
Please refer to Fig. 1, this bulb housing 30 was hemisphere cell-shell.This bulb housing 30 is made for transparent material, such as plastics, glass or pottery etc.
Please refer to Fig. 1, these three light source board 20 structures are identical, be rectangle thin-slab structure, and each light source board 20 includes a substrate 22 and a plurality of LED light source 24.This substrate 22 is that heat radiation material is made.This substrate 22 is provided with front 222 and the back side 224; The front of this substrate 22 tilts towards the direction at these bulb housing 30 tops.These LED light sources 24 are separately positioned on the front 222 and the back side 224 of this substrate 22.
Please refer to Fig. 1, this support 40 comprises a back shaft 42 and an end face (not shown).The back shaft 42 of this support 40 is arranged on these body 10 central axis.These back shaft 42 one end are connected with the radiator heat on this body 10, and the other end and this end face are thermally coupled.Preferably, this back shaft 42 and this end face are made of one piece, and are made by heat radiation material.Please refer to Fig. 1, this reflector 50 is thin-slab structure.Preferably, this reflector 50 is made by heat radiation material, such as pottery etc.This reflector 50 is arranged on the end face of this support 40.These three light source boards 20 are arranged on the periphery of this reflector 50 around these reflector 50 circular array, preferred, and these three light source boards 20 arrange around these reflector 50 equal angles intervals.The front of each light source board 20 arranges in obtuse angle with this reflector 50 respectively.This reflector 50 is thermally coupled with the substrate 22 of these three light source boards 20.This reflector 50 is the direction reflection towards these bulb housing 30 tops for light that the LED light source 24 in these light source board 20 fronts is sent.This support 40 by these three light source boards 20 prop, away from the bottom of this bulb housing 30, thereby make light that these three light source boards, 20 back side LED light sources 24 send towards the bottom emission of this bulb housing 30.
In sum, this large-angle LED bulb 100 is provided with reflector 50 at these support 40 tops, make this light source board 20 around these reflector 50 circular array, be arranged on the periphery of this reflector 50, front 222 and the back side 224 of each light source board 20 are equipped with LED light source 24, and the front 222 of each light source board 20 arranges in obtuse angle with this reflector 50, thereby light that these light source board 20 front LED light sources 24 send is reflected towards the direction at these bulb housing 30 tops.Like this, after the light that the LED light source 24 in all light source boards 20 fronts 222 sends is reflected by this reflector 50, its whole lighting angle will enlarge markedly, and expand to the region that light source board 20 back side 224LED light sources 24 irradiate, on bulb housing 30, there is no obvious dark space like this, and the lighting angle of whole lamp is larger.Due to only need to be at reflector 50 of this top of the trellis paving, thereby make the structure of this large-angle LED bulb 100 simpler.Owing to having reduced the setting of LED light source, can so that this large-angle LED bulb compared with prior art, manufacturing cost is lower.In addition, the reflector 50 of this large-angle LED bulb 100 adopts heat radiation material to make, and this reflector 50 is thermally coupled with these three light source boards 20, thereby the heat that these three light source boards 20 are produced in luminescence process is dispersed in air by this reflector 50, thereby make this reflector 50 can also play thermolysis when playing the effect of change light direction.Thereby can effectively extend whole lamp service life.
Fig. 2 is the three-dimensional exploded view of another embodiment large-angle LED bulb of the present invention 100a.In this large-angle LED bulb 100a and the first embodiment, the difference of large-angle LED bulb 100 is: this light source board 20a is circular ring, and this light source board 20a comprises a substrate 22a and two LED light source 24a.This substrate 22a is provided with positive 222a and back side 224a.Positive 222a and the back side 224a of this light source board 20a are provided with LED light source 24a.These two LED light source 24a form circulus by flexible material encapsulation.This light source board 20a is arranged on this support 40 around this reflector 50.This reflector 50 is the direction reflection towards these bulb housing 30 tops for light that the LED light source 24a in this light source board 20a front is sent.The LED light source 24a of this light source board 20a back side 224a is for the bottom-emission towards this bulb housing 30.
Please refer to Fig. 2, this large-angle LED bulb 100a also comprises a reflexed light ring 60a.This reflexed light ring 60a is arranged on the back shaft 42a of this support 40a in the direction of this body 10.This reflexed light ring 60a and this light source board 20a back side is angle in obtuse angle, and the length of this reflexed light ring 60a is greater than the length of this light source board 20a.This reflexed light ring 60a is the bottom reflection towards this bulb housing 30 for light that the LED light source 24a at this light source board 20a back side is sent.
Compare with the large-angle LED bulb 100 of first embodiment of the invention, the large-angle LED bulb 100a of second embodiment of the invention has adopted circular light source board, and this light that can make this light source board 20a launch towards this lamp bulb cell-shell 30 is around more evenly distributed.This large-angle LED bulb 100a is also provided with a reflexed light ring 60a simultaneously, and this reflexed light ring 60a is the bottom reflection towards this bulb housing 30 for light that the LED light source 24a at this light source board 20a back side is sent.This reflexed light ring 60a can be so that this light source board 20a back side LED light source 24a reflexes to this bulb housing 30 bottoms towards the light of body 10 end faces transmittings, thereby makes this large-angle LED bulb can realize the curve of light distribution that is similar to incandescent lamp.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of making, be equal to replacement, improvement etc., within all should being included in the scope of protection of the invention.
Claims (11)
1. a large-angle LED bulb, comprise body, bulb housing and three or three above light source boards, the bottom of this bulb housing is located at the top of this body, the front and back of each light source board is equipped with LED light source, it is characterized in that, also comprise support, this support is arranged on the middle part on this body top, the top of this support is provided with reflector, described light source board is arranged on the periphery of this reflector around this reflector circular array, the front of each light source board arranges in obtuse angle with this reflector respectively, this reflector is the direction reflection towards bulb housing top for light that the LED light source in this light source board front is sent.
2. large-angle LED bulb according to claim 1, is characterized in that: described light source board is rectangle thin-slab structure, and described light source board arranges around this reflector equal angles interval.
3. large-angle LED bulb according to claim 1, is characterized in that: this support also comprises back shaft, and this back shaft is arranged on the central axis of body, and this reflector is arranged on this back shaft top.
4. according to the large-angle LED bulb described in the middle any one described in any one in claims 1 to 3, it is characterized in that: the LED light source at each light source board back side is for the bottom-emission towards this bulb housing.
5. according to the large-angle LED bulb described in the middle any one described in any one in claim 1 to 5, it is characterized in that: this bulb housing is made by transparent material.
6. according to the large-angle LED bulb described in the middle any one described in any one in claim 1 to 5, it is characterized in that: described LED light source is face illuminating source.
7. according to the large-angle LED bulb described in the middle any one described in any one in claim 1 to 5, it is characterized in that: each light source board also comprises substrate, described substrate is made for heat radiation material, and this reflector is also for heat sink material is made and be connected with described substrate heat.
8. a large-angle LED bulb, comprise body, bulb housing and light source board, the bottom of this bulb housing is located at the top of this body, the front and back of each light source board is equipped with LED light source, it is characterized in that, this light source board is circular ring, also comprise support, this support is arranged on the middle part on this body top, the top of this support is provided with reflector, described light source board arranges around this reflector, and this reflector is the direction reflection towards bulb housing top for light that the LED light source in this light source board front is sent.
9. large-angle LED bulb according to claim 8, is characterized in that: this support also comprises back shaft, and this back shaft is arranged on the central axis of body, and this reflector is arranged on this back shaft top.
10. large-angle LED bulb according to claim 9, it is characterized in that: the LED light source at this light source board back side is for the bottom-emission towards this bulb housing, also comprise reflexed light ring, this reflexed light ring is the bottom reflection towards this bulb housing for light that the LED light source at this light source board back side is sent.
11. large-angle LED bulbs according to claim 9, is characterized in that: this reflexed light ring and this light source board back side is angle in obtuse angle, and the length of this reflexed light ring is greater than the length of this light source board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310106151.0A CN103542372A (en) | 2013-03-28 | 2013-03-28 | Large-angle LED lamp bulb |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310106151.0A CN103542372A (en) | 2013-03-28 | 2013-03-28 | Large-angle LED lamp bulb |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103542372A true CN103542372A (en) | 2014-01-29 |
Family
ID=49966096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310106151.0A Pending CN103542372A (en) | 2013-03-28 | 2013-03-28 | Large-angle LED lamp bulb |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103542372A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107676642A (en) * | 2017-10-19 | 2018-02-09 | 上海普锐赛司实业有限公司 | LED energy-saving bulbs radiating support base and the LED with the radiating support base |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201555059U (en) * | 2009-10-16 | 2010-08-18 | 深圳市众明半导体照明有限公司 | LED three-dimensional light source |
| CN102518963A (en) * | 2011-12-09 | 2012-06-27 | 厦门立明光电有限公司 | Vertical large-angle LED (light-emitting diode) illuminating lamp |
| CN102913801A (en) * | 2012-11-15 | 2013-02-06 | 江西新唐光电科技有限公司 | Light-emitting diode (LED) bulb lamp |
| CN202769387U (en) * | 2012-09-17 | 2013-03-06 | 唐运忠 | Light-emitting diode (LED) lamp bulb |
| CN203349161U (en) * | 2013-03-28 | 2013-12-18 | 立达信绿色照明股份有限公司 | Wide-angle LED bulb |
-
2013
- 2013-03-28 CN CN201310106151.0A patent/CN103542372A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201555059U (en) * | 2009-10-16 | 2010-08-18 | 深圳市众明半导体照明有限公司 | LED three-dimensional light source |
| CN102518963A (en) * | 2011-12-09 | 2012-06-27 | 厦门立明光电有限公司 | Vertical large-angle LED (light-emitting diode) illuminating lamp |
| CN202769387U (en) * | 2012-09-17 | 2013-03-06 | 唐运忠 | Light-emitting diode (LED) lamp bulb |
| CN102913801A (en) * | 2012-11-15 | 2013-02-06 | 江西新唐光电科技有限公司 | Light-emitting diode (LED) bulb lamp |
| CN203349161U (en) * | 2013-03-28 | 2013-12-18 | 立达信绿色照明股份有限公司 | Wide-angle LED bulb |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107676642A (en) * | 2017-10-19 | 2018-02-09 | 上海普锐赛司实业有限公司 | LED energy-saving bulbs radiating support base and the LED with the radiating support base |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102853288B (en) | Optical element and light-emitting device having the same | |
| CN101893180B (en) | LED lamp bulb | |
| CN103615674B (en) | Large-angle emission LED lamp | |
| CN103353071A (en) | LED lamp emitting light in large angle | |
| CN103234129B (en) | LED bulb | |
| US20130250543A1 (en) | Lighting device | |
| CN205447467U (en) | LED (Light emitting diode) tube light | |
| CN102878457A (en) | Wide-angle light-emitting diode (LED) illuminating lamp | |
| CN103883895A (en) | LED lamp with large light emission angle | |
| CN102606924B (en) | Large-angle light emitting diode (LED) bulb lamp | |
| CN203349161U (en) | Wide-angle LED bulb | |
| CN105674158A (en) | Led down lamp | |
| CN103912804B (en) | Large angle light emitting diode (LED) lamp | |
| CN103542372A (en) | Large-angle LED lamp bulb | |
| JP2013531357A (en) | Single chamber lighting device | |
| CN103292179B (en) | Large-angle emission LED lamp | |
| CN203948982U (en) | Led illuminating lamp | |
| CN203249033U (en) | LED bulb | |
| CN103423672A (en) | Large-angle LED (light emitting diode) bulb lamp | |
| CN203202700U (en) | Large-angle light-emitting LED lamp | |
| CN203309583U (en) | Large-angle light-emitting LED (light-emitting diode) lamp | |
| CN203615129U (en) | Large-angle LED (light-emitting diode) lamp | |
| CN203517365U (en) | Scattering LED bulb lamp | |
| CN203478012U (en) | Wide angle LED bulb | |
| CN203131528U (en) | Large-angle light emitting bulb |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140129 |