CN103912804A - Large angle light emitting diode (LED) lamp - Google Patents

Large angle light emitting diode (LED) lamp Download PDF

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Publication number
CN103912804A
CN103912804A CN201310068297.0A CN201310068297A CN103912804A CN 103912804 A CN103912804 A CN 103912804A CN 201310068297 A CN201310068297 A CN 201310068297A CN 103912804 A CN103912804 A CN 103912804A
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China
Prior art keywords
light source
light
source board
angle
wide
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Granted
Application number
CN201310068297.0A
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Chinese (zh)
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CN103912804B (en
Inventor
李甫文
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Leeleds Lighting Xiamen Co Ltd
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Leeleds Lighting Xiamen Co Ltd
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Priority to CN201310068297.0A priority Critical patent/CN103912804B/en
Publication of CN103912804A publication Critical patent/CN103912804A/en
Application granted granted Critical
Publication of CN103912804B publication Critical patent/CN103912804B/en
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Abstract

A large angle light emitting diode (LED) lamp comprises a lamp head body, a lamp bulb housing and a plurality of light source plates, wherein the light source plates are vertically arranged in the middle of the top of the lamp head body, the lamp bulb housing covers the top of the lamp head body, each light source plate comprises a base plate and an LED light source, one side of each base plate is a light emitting surface, the other side of each base plate is a light reflecting surface, the LED light sources are arranged on the light emitting surfaces of the corresponding base plates, the side edge of at least one light source plate is adjacent to the side edge of another light source plate, and an included angle less than 180 degrees is formed between the light reflecting surface of one light source plate and the light emitting surface of another light source plate, which are arranged in relative inclined mode, so as to reflect light sent out from the light emitting surface of the another light source plate towards the exterior of the lamp bulb housing. The large angle LED lamp has the advantages of being simple in structure and convenient to assemble.

Description

Wide-angle light emitting LED lamp
Technical field
The present invention relates to LED lighting field, particularly a kind of wide-angle light emitting LED lamp.
Background technology
In recent years, LED chip applies to room lighting field as light source and is developed fast.But, because LED encapsulating structure has some limitations, existing LED light source can only be realized and be not more than the lighting angle of 180 ° and cannot as incandescent lamp, accomplish 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 the direction transmitting towards whole lamp surrounding of light that LED light source sends.For example Granted publication day is on October 31st, 2012, and the Chinese utility model patent that the patent No. is 201220060615.X 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 big-angle LED lamp need to be welded on LED chip on heat radiation column, in order to increase the brightness of this LED lamp side, need to weld multiple LED chips in each side of support, this just makes the structure of this LED lamp more complicated, and a support and multiple LED chip need to be set, and could to realize comprehensive wide-angle luminous.
Summary of the invention
In view of this, be necessary to provide a kind of LED lamp simple in structure, easy to assembly.
The technical solution adopted for the present invention to solve the technical problems is: a kind of wide-angle light emitting LED lamp, comprise body, bulb housing and multiple light source board, described light source board is vertically arranged on the middle part at this body top, this bulb housing is located at the top of this body, each light source board includes substrate and LED light source, one side of this substrate is light-emitting area, the opposite side of this substrate is reflective surface, described LED light source is arranged in the light-emitting area of this substrate, the setting adjacent with the side of another light source board of the side of at least one light source board, the reflective surface of one of them light source board with the light-emitting area of another light source board with respect to the angle setting that becomes to be less than 180 °, with light that this light-emitting area is sent towards this bulb housing with external reflectance.
Compared with prior art, this wide-angle light emitting LED lamp is provided with multiple light source boards, and each light source board comprises substrate and LED light source, and this substrate comprises light-emitting area and reflective surface, and LED light source is arranged in the light-emitting area of substrate.Wherein at least two light source boards adjacent setting of side and this two light source boards become to be less than 180 ° of angles, thereby the light sending in the light-emitting area of light source board is reflected towards the direction beyond bulb housing by the reflective surface of another light source board.The light that the light-emitting area of another light source board can be sent due to the reflective surface on this light source board is to external reflectance, light extraction efficiency and the lighting angle of this wide-angle light emitting LED lamp are promoted, no longer need on each of three-dimensional bracket, LED light source be set, thereby make wide-angle light emitting LED lamp structure of the present invention simpler, assemble advantage more easily.
Brief description of the drawings
Fig. 1 is the stereogram of the wide-angle light emitting LED lamp of first embodiment of the invention.
Fig. 2 is the three-dimensional exploded view of the wide-angle light emitting LED lamp shown in Fig. 1.
Fig. 3 is the profile of the wide-angle light emitting LED lamp shown in Fig. 1 along A-A shown in Fig. 1.
Fig. 4 is the three-dimensional exploded view of the wide-angle light emitting LED lamp of second embodiment of the invention.
Description of reference numerals:
100 wide-angle light emitting LED lamp 100a wide-angle light emitting LED lamp
10 body 20a light source boards
20 light source board 22a substrates
22 substrate 222a light-emitting areas
222 light-emitting area 224a reflective surfaces
224 reflective surface 2242a leaded light sections
24 LED light source 12 tops
30 bulb housings
Detailed description of the invention
Below in conjunction with accompanying drawing and detailed description of the invention, the present invention is described in further detail.
Fig. 1 is the stereogram of first embodiment of the invention wide-angle light emitting LED lamp 100, and this wide-angle light emitting LED lamp 100 comprises that a body 10, three light source boards 20 and a bulb housing 30(are as shown in Figure 2).These three light source boards 20 are vertically arranged on the middle part at these body 10 tops.This bulb housing 30 is located at the top of this body 10, and the bottom of this bulb housing 30 is fixed on the top of this body 10, in these three light source boards 20 are contained in (as shown in Figures 1 and 3).
Please refer to Fig. 1, this bulb housing 30 is transparent configuration, and it is made up of plastics or glass material.Certainly,, according to consumer's hobby, this bulb housing 30 also can adopt opaque structure.This body 10 comprises the lamp holder of conventional connection civil power and is arranged on radiating piece on this lamp holder etc.The top 12 of this body 10 is roughly planar structure.
Please refer to Fig. 2, these three light source boards 20 are the straight plate structure of rectangle, and the structure of these light source boards 20 is identical.Each light source board 20 includes a substrate 22 and multiple LED light source 24.This substrate 22 comprises a light-emitting area 222 and a reflective surface 224.This light-emitting area 222 is arranged on a side of this substrate 22, and parallel this light-emitting area 222 of this reflective surface 224 is arranged on the opposite side of this substrate 22.This light-emitting area 222 is vertically set on the top 12 of this body 10 with this reflective surface 224.These LED light sources 24 are arranged in the light-emitting area 222 of this substrate 22, and these LED light sources 24 are by the phosphor powder layer (not shown) forming surface illuminating source that is packaged together.These three light source boards 20 light-emitting area 222 is between any two with reflective surface 224 setting that is connected that is less than 180 ° of angles, so as to utilize light that a reflective surface 224 on light source board 20 sends the light-emitting area of another light source board 20 222 towards this bulb housing 30 with external reflectance.Preferably, a side of these three light source boards 20 all arranges near the middle part at the top 12 of this body 10, a sidewall that makes each light source board 20 all with an adjacent setting of side of other light sources plate 20.The reflective surface 224 of each light source board 20 successively with the light-emitting area 222 of another light source board 20 with respect to the angle setting that becomes to be less than 180 °, make 120 ° of angle settings of 20 liang of twenty percents of these three light source boards.
Please refer to Fig. 2, when work, the light that LED light source 24 in light-emitting area 222 on a light source board 20 sends by the reflective surface 224 of another light source board 20 being adjacent to this bulb housing 30 with external reflectance, due to these three light source board 20 equal angles settings between two, what just make that these three light source boards 20 can be around 360 ° of the central shaft (not shown) of this body 10 is outwards luminous, makes this wide-angle light emitting LED lamp 100 can reach 270 ° of above wide-angle illumination effects.
Certainly, understandable, as long as there is the adjacent setting of side of side and another light source board 20 of a light source board 20, the reflective surface 224 of one of them light source board 20 with the light-emitting area 222 of another light source board 20 with respect to the angle that becomes to be less than 180 °, with light that this light-emitting area 222 is sent towards this bulb housing 30 with external reflectance, just can increase the lighting angle of this LED lamp 100.
In sum, this wide-angle light emitting LED lamp 100 is provided with multiple light source boards 20, and each light source board 20 comprises substrate 22 and LED light source 24, and this substrate 22 comprises light-emitting area 222 and reflective surface 224, and these LED light sources 24 are arranged in the light-emitting area 222 of substrate 22.Wherein at least two light source boards 20 adjacent setting of side, and 20 one-tenth of these two light source boards are less than 180 ° of angles, thereby the reflective surface 224 by another light source board 20 is towards the direction reflection beyond bulb housing 30 by the light sending in the light-emitting area of light source board 20 222.Compared with prior art, the light that the light-emitting area of another light source board 20 222 can be sent due to the reflective surface 224 on this light source board 20 is to external reflectance, light extraction efficiency and the lighting angle of this wide-angle light emitting LED lamp 100 are promoted, no longer need on each of three-dimensional bracket, LED light source be set, thereby make wide-angle light emitting LED lamp structure of the present invention simpler, assemble advantage more easily.
In addition, in preferred version, the quantity of this light source board can also be arranged to four or more, and these light source board two twenty percent equal angles arrange, and these light source board angulation sums are 360 °, thereby can increase the brightness of this wide-angle light emitting LED lamp.Further, the LED light source of this light source board can also adopt face illuminating source.This just makes the one side of this light source board without plurality of LEDs light source is set.
Please refer to Fig. 4, it is depicted as the three-dimensional exploded view of second embodiment of the invention, the difference of this wide-angle light emitting LED lamp 100a and the first embodiment is, the reflective surface 224a of each light source board 20a of this LED lamp 100a protrudes out and is provided with leaded light section 2242 towards the light-emitting area 222a of another light source board 20a.This leaded light section 2242 protrudes out the bottom that is arranged on this reflective surface 224a.This leaded light section 2242 arranges in obtuse angle with the top 12 of this body 10, and this leaded light section 2242 reflects towards the direction away from this body 10 for the light that another light source board 20 is sent.Thereby make the top of this wide-angle light emitting LED lamp 100a be distributed with more light, thereby make the whole intensity of illumination distribution of this wide-angle light emitting LED lamp 100a more even.
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 amendment of making, be equal to replacement, improvement etc., within all should being included in the scope of protection of the invention.

Claims (10)

1. a wide-angle light emitting LED lamp, comprise body, bulb housing and multiple light source board, described light source board is vertically arranged on the middle part at this body top, this bulb housing is located at the top of this body, each light source board includes substrate and LED light source, one side of this substrate is light-emitting area, the opposite side of this substrate is reflective surface, described LED light source is arranged in the light-emitting area of this substrate, it is characterized in that, the setting adjacent with the side of another light source board of the side of at least one light source board, the reflective surface of one of them light source board with the light-emitting area of another light source board with respect to the angle setting that becomes to be less than 180 °, with light that this light-emitting area is sent towards this bulb housing with external reflectance.
2. wide-angle light emitting LED lamp according to claim 1, it is characterized in that: a side of all light source boards is all near the middle part of this body, the reflective surface of each light source board successively with the light-emitting area of another light source board with respect to the angle setting that becomes to be less than 180 °.
3. wide-angle light emitting LED lamp according to claim 2, is characterized in that: comprise three light source boards, these light source boards become respectively 120 ° of angle settings between any two.
4. wide-angle light emitting LED lamp according to claim 2, is characterized in that: comprise four or more light source board, these light source board two twenty percent equal angles arrange, and these light source board angulation sums are 360 °.
5. wide-angle light emitting LED lamp according to claim 1, is characterized in that: this bulb housing is transparent configuration, and it is made up of plastics or glass.
6. wide-angle light emitting LED lamp according to claim 1, is characterized in that: the LED light source in the light-emitting area of each light source board is face illuminating source.
7. wide-angle light emitting LED lamp according to claim 1, is characterized in that: the light-emitting area of each light source board is provided with multiple LED light sources, and these LED light sources are by the phosphor powder layer forming surface illuminating source that is packaged together.
8. wide-angle light emitting LED lamp according to claim 1, is characterized in that: each light source board is the straight plate structure of rectangle.
9. according to the wide-angle light emitting LED lamp described in any one in claim 1 to 8, it is characterized in that: the reflective surface of each light source board protrudes out and is provided with leaded light section towards the light-emitting area of another light source board, the top of this leaded light section and this body arranges in obtuse angle, and this leaded light section reflects towards the direction away from this body for the light that another light source board is sent.
10. wide-angle light emitting LED lamp according to claim 9, is characterized in that: described leaded light section is arranged on the bottom of this reflective surface.
CN201310068297.0A 2013-03-04 2013-03-04 Large angle light emitting diode (LED) lamp Active CN103912804B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310068297.0A CN103912804B (en) 2013-03-04 2013-03-04 Large angle light emitting diode (LED) lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310068297.0A CN103912804B (en) 2013-03-04 2013-03-04 Large angle light emitting diode (LED) lamp

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CN103912804A true CN103912804A (en) 2014-07-09
CN103912804B CN103912804B (en) 2017-02-08

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105020604A (en) * 2015-06-05 2015-11-04 安徽富优科技有限公司 LED bulb lamp having all-around illuminance
WO2016004723A1 (en) * 2014-07-11 2016-01-14 陈弘昌 Omni-directional led lamp
CN106764537A (en) * 2017-03-14 2017-05-31 漳州立达信光电子科技有限公司 A kind of LED

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201382314Y (en) * 2009-02-23 2010-01-13 庄德铭 Omnidirectional lamp bulb taking light emitting diode as light source
CN201462534U (en) * 2009-07-08 2010-05-12 余高辉 Energy-saving lamp with reflecting plate
CN202074382U (en) * 2010-12-06 2011-12-14 东莞市鼎聚光电有限公司 LED (Light-Emitting Diode) lamp for multi-angle irradiation vehicle with detecting chip
CN202074282U (en) * 2011-05-05 2011-12-14 邹正康 Led lamp bulb
CN102434807A (en) * 2011-12-20 2012-05-02 德清鼎辉照明有限公司 LED (light emitting diode) lamp
CN202469580U (en) * 2011-12-31 2012-10-03 苏州晶品光电科技有限公司 Crossed planar double-sided emergent LED (Light-Emitting Diode) lamp
CN203147386U (en) * 2013-03-04 2013-08-21 厦门立明光电有限公司 Large-angle LED (Light Emitting Diode) lamp

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201382314Y (en) * 2009-02-23 2010-01-13 庄德铭 Omnidirectional lamp bulb taking light emitting diode as light source
CN201462534U (en) * 2009-07-08 2010-05-12 余高辉 Energy-saving lamp with reflecting plate
CN202074382U (en) * 2010-12-06 2011-12-14 东莞市鼎聚光电有限公司 LED (Light-Emitting Diode) lamp for multi-angle irradiation vehicle with detecting chip
CN202074282U (en) * 2011-05-05 2011-12-14 邹正康 Led lamp bulb
CN102434807A (en) * 2011-12-20 2012-05-02 德清鼎辉照明有限公司 LED (light emitting diode) lamp
CN202469580U (en) * 2011-12-31 2012-10-03 苏州晶品光电科技有限公司 Crossed planar double-sided emergent LED (Light-Emitting Diode) lamp
CN203147386U (en) * 2013-03-04 2013-08-21 厦门立明光电有限公司 Large-angle LED (Light Emitting Diode) lamp

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016004723A1 (en) * 2014-07-11 2016-01-14 陈弘昌 Omni-directional led lamp
CN105020604A (en) * 2015-06-05 2015-11-04 安徽富优科技有限公司 LED bulb lamp having all-around illuminance
CN106764537A (en) * 2017-03-14 2017-05-31 漳州立达信光电子科技有限公司 A kind of LED

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