CN103234129A - Light emitting diode (LED) bulb - Google Patents

Light emitting diode (LED) bulb Download PDF

Info

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
Authority
CN
China
Prior art keywords
light source
bulb
led
source board
shell
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.)
Granted
Application number
CN2013101576432A
Other languages
Chinese (zh)
Other versions
CN103234129B (en
Inventor
李甫文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sichuan Kay Lighting Co. Ltd.
Original Assignee
Leedarson Green Lighting Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Leedarson Green Lighting Co Ltd filed Critical Leedarson Green Lighting Co Ltd
Priority to CN201310157643.2A priority Critical patent/CN103234129B/en
Publication of CN103234129A publication Critical patent/CN103234129A/en
Application granted granted Critical
Publication of CN103234129B publication Critical patent/CN103234129B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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

The LED bulb
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.
CN201310157643.2A 2013-04-28 2013-04-28 LED bulb Active CN103234129B (en)

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

Publications (2)

Publication Number Publication Date
CN103234129A true CN103234129A (en) 2013-08-07
CN103234129B CN103234129B (en) 2016-04-20

Family

ID=48882180

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310157643.2A Active CN103234129B (en) 2013-04-28 2013-04-28 LED bulb

Country Status (1)

Country Link
CN (1) CN103234129B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104696766A (en) * 2015-03-31 2015-06-10 东莞市闻誉实业有限公司 Lamp
CN104696765A (en) * 2015-03-31 2015-06-10 东莞市闻誉实业有限公司 Indoor lighting device
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

Citations (6)

* Cited by examiner, † Cited by third party
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

Patent Citations (6)

* Cited by examiner, † Cited by third party
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 (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104696766A (en) * 2015-03-31 2015-06-10 东莞市闻誉实业有限公司 Lamp
CN104696765A (en) * 2015-03-31 2015-06-10 东莞市闻誉实业有限公司 Indoor lighting device
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

Also Published As

Publication number Publication date
CN103234129B (en) 2016-04-20

Similar Documents

Publication Publication Date Title
US9057503B2 (en) Light-emitting diode light bulb generating direct and decorative illumination
WO2013029365A1 (en) Large-angle omnidirectional lighting led lamp
TW201323779A (en) Lighting system
CN103234129B (en) LED bulb
CN201302101Y (en) LED projection light
CN101446392A (en) LED light source module
CN204099932U (en) Illumination light source and lighting device
CN102720961A (en) LED (light emitted diode) candle lamp capable of lightening in entire space
TW201331510A (en) Planar LED lighting
CN203249033U (en) LED bulb
CN204534217U (en) Big-angle LED lamp
CN104121495A (en) Full-light-distribution LED bulb
CN202521496U (en) Calculus light distribution lens for light-emitting diode (LED) lighting lamp
CN103912804A (en) Large angle light emitting diode (LED) lamp
CN201582661U (en) LED spotlight
CN203517642U (en) Large-angle LED (light-emitting diode) bulb lamp
CN203348984U (en) LED crystal spotlight
CN103292179B (en) Large-angle emission LED lamp
CN104712938A (en) Wide-angle LED lamp
CN202419182U (en) Lighting light-emitting diode (LED) lamp
CN203309583U (en) Large-angle light-emitting LED (light-emitting diode) lamp
CN108692292A (en) Lens and luminaire
CN203249004U (en) Lamp
CN103883896B (en) Wide-angle luminous lighting lamp
JP2012199072A (en) Lighting device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C41 Transfer of patent application or patent right or utility model
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 Kay Lighting Co. Ltd.

Address before: 363999 Xingda Road, Fujian city of Zhangzhou province Changtai Xingtai County Development Zone

Patentee before: Leedarson Green Lighting Co., Ltd.