CN103234129A - Light emitting diode (LED) bulb - Google Patents
Light emitting diode (LED) bulb Download PDFInfo
- Publication number
- CN103234129A CN103234129A CN2013101576432A CN201310157643A CN103234129A CN 103234129 A CN103234129 A CN 103234129A CN 2013101576432 A CN2013101576432 A CN 2013101576432A CN 201310157643 A CN201310157643 A CN 201310157643A CN 103234129 A CN103234129 A CN 103234129A
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- light source
- led
- bulb
- source board
- shell
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- 239000000758 substrate Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000003760 hair shine Effects 0.000 description 4
- 238000004020 luminiscence type Methods 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention discloses an LED bulb. The LED bulb comprises a bulb holder, a bulb case and at least three light source plates, wherein the top of the bulb holder is covered with the bottom of the bulb case, each of the light source plates is provided with an LED light source on the front side, the front of each light source plate faces towards the bottom of the bulb case, the light source plates are arranged at the top of the bulb holder annularly, fronts of the light source plates are arranged oppositely, and heights of the light source plates are lower than that of the bottom of the bulb case. The LED bulb has the advantage of even light emitting.
Description
Technical field
The present invention relates to the LED lighting field, particularly a kind of LED bulb.
Background technology
Led light source is applied in the room lighting widely as third generation lighting source.In recent years, increasing people wishes led light source is made the appearance of similar incandescent lamp, yet because the intrinsic characteristics of luminescence of led light source, make it can't realize the lighting angle of incandescent lamp, make the LED bulb be difficult to complete replace incandescent, for example, open day is that the Chinese invention patent application of 201110264489.X has disclosed a kind of LED lamp for the application number of 2012.01.25, this LED lamp comprises a lamp body, one radiator, one LED lamp plate and a lampshade, this LED lamp plate comprises led light source and substrate, these led light sources are tiled on this substrate, and this substrate is arranged on the top of this lamp body, and are covered by this lampshade.Because the led light source of this LED lamp is tiled on the substrate of this LED lamp plate, and the intrinsic characteristics of luminescence of led light source makes its lighting angle in 120 ° of intervals, this just makes and is located in the lampshade of this LED lamp plate top that the sidewall of close this lamp body has only small part light to shine.Thereby the bottom at this lampshade can produce the dark space, thereby makes that the whole lighting angle of this LED lamp is less.
Summary of the invention
In view of this, be necessary the LED bulb that provides a kind of light to be evenly distributed.
The technical solution used in the present invention is: a kind of LED bulb, comprise body, bulb shell and the light source board more than three or three, the bottom cover of this bulb shell is located on the top of this body, the front of each light source board is respectively equipped with led light source, the front of each light source board arranges towards the bottom of this bulb shell respectively, described light source board circular array is arranged on the top of this body, described light source board positive positioned opposite to each other, the height of described light source board are lower than the height of this bulb shell bottom.
Compared with prior art, this LED bulb arranges the light source board of a plurality of annular array at the top of its body, the front that makes each light source board arranges towards the bottom of this bulb shell respectively and light source board positive positioned opposite to each other, like this, the light that the led light source in these light source board fronts sends just can shine directly into the bottom of this bulb shell, and because led light source generally has the lighting angle more than 120 °, the top of this bulb shell also can be illuminated.This luminous energy that just makes these led light sources send shines on this bulb shell more equably, thereby has avoided the dark space that occurs on the bulb shell in the prior art, makes this LED bulb have the advantage of uniformly light-emitting.
Description of drawings
Fig. 1 is the three-dimensional exploded view of the LED bulb of first embodiment of the invention.
Description of reference numerals:
100 LED bulbs, 222 fronts
10 bodys, 24 led light sources
20 light source boards, 30 bulb shells
22 substrates, 40 reflectors
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 LED bulb 100, and this LED bulb 100 comprises body 10, three light source boards 20, bulb shell 30 and reflectors 40.These light source boards 20 and this reflector 40 are arranged on the end face of this body 10, and these bulb shell 30 bottoms are fixed on the top of this body 10, and these light source boards 20 and this reflector 40 are accommodated in the inside.
Please refer to Fig. 1, these led light source plates 20 are ceramic substrate, and each light source board 20 includes a substrate 22 and a plurality of led light source 24.The front 222 of this substrate 22 is provided with the reflecting layer (not shown), and this reflecting layer is used for the part light that these led light sources 24 of reflection send.Led light source 24 on each light source board 20 is arranged along parallel direction with these body 10 tops.Each light source board 20 respectively with the top thermally coupled of this body 10.These light source boards 20 are rectangle thin-slab structure and the end to end top that is arranged on this body 10 respectively, form the ring of a closure.The front 222 of these light source boards 20 is positioned opposite to each other, and the front 222 of these light source boards 20 arranges towards the bottom of this bulb shell 30 respectively.This led light source 24 is the area source that phosphor powder layer (not shown) encapsulation plurality of LEDs light source forms.Because these light source board 20 circular array, so the led light source 24 on positive 222 will evenly illuminate all bottoms of this bulb shell 30.
Please refer to Fig. 1, this bulb shell 30 was the hemisphere cell-shell, and the bottom cover of this bulb shell 30 is located at the top of this body 10.This bulb shell 30 is provided with light transmission scattering material.The light that this light transmission scattering material is used for these led light sources 24 are sent diffuses to space outerpace.The height of these light source boards 24 on this body 10 is lower than the height of these bulb shell 30 bottoms, so that luminous energy shines the bottom section of this bulb shell 30.Because the front of these light source boards 20 arranges towards the bottom of this bulb shell 30 respectively, the led light source 24 on it sends light with the bottom of direct irradiation at this bulb shell 30, thereby makes that the bottom of this bulb shell 30 is brighter.Because the size of these these bulb shell 30 bottoms is greater than this body 10, the light transmission scattering material on it will be the light that passes these bulb shell 30 bottoms along the direction emission towards this body 10.
Please refer to Fig. 1, the end face of this body 10 is coated with reflector layer to form this reflector 40.This reflector 40 is thin-slab structure.Preferably, this reflector 40 is made by the heat radiation material, for example pottery etc.This reflector 40 is arranged on the end face central authorities of this body 10.These light source boards 20 are arranged on the periphery of this reflector 40 around these reflector 40 circular array.Preferably, these light source boards 20 arrange at interval around these reflector 40 equal angles.This reflector 40 is used for light that the led light source 24 with these light source board 20 fronts sends towards the top-direction reflection of this bulb shell 30.
During work, because joining end to end, these light source boards 20 form the ring of a closure, and the front of these light source boards 20 is provided with the reflecting layer, so, the light part that these led light sources 24 send shines directly into the bottom of this bulb shell 30, another part is through the reflection in this reflector 40 and reflecting layer, towards the top-direction emission of this bulb shell 30.Like this, the top of this bulb shell 30 and bottom are all bright by illumination, thereby make this LED bulb 100 can realize that wide-angle is luminous, and lighting angle can reach 240 ° to 300 °.
In sum, this LED bulb 100 arranges the light source board 20 of a plurality of annular array at the top of its body 10, make the front 222 of each light source board 20 positioned opposite to each other towards the front 222 of the setting of the bottom of this bulb shell 30 and light source board 20 respectively, like this, the light that the led light source 24 in these light source board 20 fronts 222 sends just can shine directly into the bottom of this bulb shell 30, and because led light source 24 has the lighting angle more than 120 °, the top of this bulb shell 30 also can be illuminated simultaneously.This luminous energy that just makes these led light sources 24 send shines on this bulb shell 30 more equably, thereby has avoided the dark space that occurs on the bulb shell 30 in the prior art, makes this LED bulb 100 have the advantage of uniformly light-emitting.In addition, by this reflector 40 is set, the luminous energy that the led light source 24 of these light source boards 20 is sent is reflected to the top of this bulb shell 30 more, makes these LED bulb 100 light be more evenly distributed.In addition, because the front 222 of these light source boards 20 is provided with the reflecting layer (not shown), the part light that these led light sources 24 send diffuses to space outerpace by this reflective layer reflects to this bulb shell 30, thereby has reduced light loss, has strengthened the luminous flux of whole lamp.In addition, because the led light source plate 20 of this LED bulb 100 is ceramic substrate, each light source board 20 respectively with the top thermally coupled of this body 10, led light source 24 on each light source board 20 is arranged along parallel direction with these body 10 tops, the heat that thereby these led light sources 24 can be produced in luminescence process is dispersed in the air by this light source board 20 and this body 10, shorten heat-transfer path, promote heat transfer efficiency.
Understandable, the number of this light source board 20 can be for a plurality of.This light source board 20 can also be arranged to circulus, and light source board only needs to arrange one like this.The light source board of circulus can be so that the light of this bulb shell periphery be more evenly distributed, and is difficult for producing the dark space.
More than these only are 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., all should be included within the scope of protection of the invention.
Claims (10)
1. LED bulb, comprise body, bulb shell and the light source board more than three or three, the bottom cover of this bulb shell is located on the top of this body, the front of each light source board is respectively equipped with led light source, it is characterized in that the front of each light source board arranges towards the bottom of this bulb shell respectively, described light source board circular array is arranged on the top of this body, described light source board positive positioned opposite to each other, the height of described light source board are lower than the height of this bulb shell bottom.
2. LED bulb according to claim 1, it is characterized in that: described light source board is the rectangle thin-slab structure, and the led light source on each light source board is arranged along parallel direction with this body top.
3. LED bulb according to claim 1, it is characterized in that: the front of described light source board is respectively equipped with the reflecting layer.
4. according to each described LED bulb in the claim 1 to 3, it is characterized in that: the end to end setting respectively of described light source board.
5. LED bulb according to claim 1, it is characterized in that: described led light source is area source.
6. LED bulb according to claim 1, it is characterized in that: described led light source plate is ceramic substrate, described light source board respectively with the top thermally coupled of this body.
According in the claim 1 to 3 each described in each described LED bulb, it is characterized in that: this bulb shell is provided with light transmission scattering material.
8. LED bulb according to claim 1, it is characterized in that: this bulb shell was the hemisphere cell-shell.
9. LED bulb according to claim 1, it is characterized in that: also comprise reflector, this reflector is arranged on the top of this body, and this reflector is used for light that the led light source with this light source board front sends towards the direction reflection at bulb shell top.
10. LED bulb according to claim 9, it is characterized in that: the end face of this body is coated with reflector layer to form this reflector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310157643.2A CN103234129B (en) | 2013-04-28 | 2013-04-28 | LED bulb |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310157643.2A CN103234129B (en) | 2013-04-28 | 2013-04-28 | LED bulb |
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| Publication Number | Publication Date |
|---|---|
| CN103234129A true CN103234129A (en) | 2013-08-07 |
| CN103234129B CN103234129B (en) | 2016-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310157643.2A Expired - Fee Related CN103234129B (en) | 2013-04-28 | 2013-04-28 | LED bulb |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104696765A (en) * | 2015-03-31 | 2015-06-10 | 东莞市闻誉实业有限公司 | Indoor lighting device |
| CN104696766A (en) * | 2015-03-31 | 2015-06-10 | 东莞市闻誉实业有限公司 | Lamp |
| CN104728732A (en) * | 2015-03-31 | 2015-06-24 | 东莞市闻誉实业有限公司 | Airplane lighting lamp |
| CN104832804A (en) * | 2015-03-31 | 2015-08-12 | 东莞市闻誉实业有限公司 | Lamp |
| WO2023138515A1 (en) * | 2022-01-23 | 2023-07-27 | 嘉兴山蒲照明电器有限公司 | Led lamp |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201992446U (en) * | 2011-04-20 | 2011-09-28 | 东莞市美能电子有限公司 | High-luminous efficiency LED (light-emitting diode) bulb |
| CN102322583A (en) * | 2011-09-13 | 2012-01-18 | 上海三思电子工程有限公司 | High-power LED (light-emitting diode) bulb light |
| CN202253145U (en) * | 2011-08-17 | 2012-05-30 | 东莞市奥一特实业有限公司 | Waterproof spherical garden lamp |
| CN202302923U (en) * | 2011-11-03 | 2012-07-04 | 北京大学 | LED (light-emitting diode) illuminating lamp |
| EP2573450A1 (en) * | 2011-09-23 | 2013-03-27 | Hella KGaA Hueck & Co | Airport and heliport lighting system |
| CN203249033U (en) * | 2013-04-28 | 2013-10-23 | 立达信绿色照明股份有限公司 | LED bulb |
-
2013
- 2013-04-28 CN CN201310157643.2A patent/CN103234129B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201992446U (en) * | 2011-04-20 | 2011-09-28 | 东莞市美能电子有限公司 | High-luminous efficiency LED (light-emitting diode) bulb |
| CN202253145U (en) * | 2011-08-17 | 2012-05-30 | 东莞市奥一特实业有限公司 | Waterproof spherical garden lamp |
| CN102322583A (en) * | 2011-09-13 | 2012-01-18 | 上海三思电子工程有限公司 | High-power LED (light-emitting diode) bulb light |
| EP2573450A1 (en) * | 2011-09-23 | 2013-03-27 | Hella KGaA Hueck & Co | Airport and heliport lighting system |
| CN202302923U (en) * | 2011-11-03 | 2012-07-04 | 北京大学 | LED (light-emitting diode) illuminating lamp |
| CN203249033U (en) * | 2013-04-28 | 2013-10-23 | 立达信绿色照明股份有限公司 | LED bulb |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104696765A (en) * | 2015-03-31 | 2015-06-10 | 东莞市闻誉实业有限公司 | Indoor lighting device |
| CN104696766A (en) * | 2015-03-31 | 2015-06-10 | 东莞市闻誉实业有限公司 | Lamp |
| CN104728732A (en) * | 2015-03-31 | 2015-06-24 | 东莞市闻誉实业有限公司 | Airplane lighting lamp |
| CN104832804A (en) * | 2015-03-31 | 2015-08-12 | 东莞市闻誉实业有限公司 | Lamp |
| CN104696765B (en) * | 2015-03-31 | 2017-09-01 | 东莞市闻誉实业有限公司 | Interior illuminator |
| CN104696766B (en) * | 2015-03-31 | 2017-11-07 | 东莞市闻誉实业有限公司 | Light fixture |
| CN104728732B (en) * | 2015-03-31 | 2018-05-11 | 东莞市闻誉实业有限公司 | Airplane lighting lamp |
| WO2023138515A1 (en) * | 2022-01-23 | 2023-07-27 | 嘉兴山蒲照明电器有限公司 | Led lamp |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103234129B (en) | 2016-04-20 |
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| SE01 | Entry into force of request for substantive examination | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20170204 Address after: 629000 Suining City Economic Development Zone, Microelectronics Industrial Park, Sichuan Patentee after: SICHUAN LIANKAI LIGHTING CO.,LTD. Address before: 363999 Xingda Road, Fujian city of Zhangzhou province Changtai Xingtai County Development Zone Patentee before: LEEDARSON LIGHTING Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160420 |
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| CF01 | Termination of patent right due to non-payment of annual fee |