CN102788268B - LEDbulb lamp - Google Patents
LEDbulb lamp Download PDFInfo
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- CN102788268B CN102788268B CN201210265420.3A CN201210265420A CN102788268B CN 102788268 B CN102788268 B CN 102788268B CN 201210265420 A CN201210265420 A CN 201210265420A CN 102788268 B CN102788268 B CN 102788268B
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Abstract
A kind of LEDbulb lamp, comprise substrate, radiating piece and bulb housing, this substrate is arranged on the top of this radiating piece, this bulb housing is located at the top of this radiating piece, the top of this substrate is provided with multiple LED light source, also comprise the light distribution structure be arranged on above described multiple LED light source, this light distribution structure comprises lens and reflecting element; The bottom surface of these lens is located at above described LED light source, and the lateral surface of these lens is first surface, and the end face of these lens away from described LED light source offers groove, and the inwall of this groove is the second curved surface, and this reflecting element is arranged in this groove; This reflecting element has reflecting surface, this reflecting surface and this second SURFACES MATCHING; Wherein, described LED light source is arranged on the subjacent of these lens around ground, and this second curved surface is positioned at inner side and the top of the ring that described LED light source surrounds, and this first surface is positioned at outside described LED light source.LEDbulb lamp of the present invention has the advantage that can realize wide-angle luminescence.
Description
Technical field
The present invention relates to field of LED illumination, particularly relate to a kind of LEDbulb lamp that can realize large angle illumination.
Background technology
LED is a kind of semiconducting solid luminescent device, it utilizes solid semiconductor chip as luminescent material, release superfluous energy by carrier generation compound in the semiconductors and cause photo emissions, directly send red, yellow, blue, green, blue or green, orange, purple, white light, LED have that volume is little, power consumption is low, long service life, high brightness, the advantage such as low in calories and environmental protection.But, because the single light-emitting area of LED is narrow, usually need large-scale integrated in the circuit board, form a larger light emitting source, but amount of heat can be caused thus to accumulate, puncture circuit board sometimes.
Most of A60LED bulb lamp is because be subject to the luminous limitation with needing loose thermal property time luminous in the face of above-mentioned LED light source own, and its Light distribation limited angle, is less than 180 degree usually; Simultaneously, in order to have appearance relatively with conventional incandescent, usual optics designer is that the mode of steeping by adding lens and clear glass bubble or transparent PC realizes luminous intensity distribution, major part designer selects single COB light source to carry out the design of lens, but this kind of design beam angle on luminous intensity distribution is all difficult to be greater than 180 °, and distribution curve flux is all very uneven.
US publication is that the application for a patent for invention of US2010/208488A1 discloses a kind of LED, comprise the transparent light pipe, LED and the reflector that are enclosed in shell, LED is in the recess of the lower end of light pipe bottom, reflector is formed by the breach in the upper end on the top of light pipe, light pipe bottom gathers the light that LED sends, the light of collection is guided to reflector by the top of light pipe, and reflector reflects the light of guiding diametrically.This patent application is that the curvature by changing reflector obtains the emission pattern being applicable to different application, such as, and forward emitted, side emission or guide-lighting downwards.The defect that this technology exists is, light pipe is only as guide-lighting use, and the light that light pipe guides only can be projected to the direction of needs by reflector targetedly, and beam angle still cannot be greater than 180 °.
Summary of the invention
In view of this, be necessary to provide a kind of LEDbulb lamp that can realize large angle illumination.
A kind of LEDbulb lamp, comprise substrate, radiating piece and bulb housing, this substrate is arranged on the top of this radiating piece, this bulb housing is located at the top of this radiating piece, the top of this substrate is provided with multiple LED light source, also comprise the light distribution structure be arranged on above described multiple LED light source, this light distribution structure comprises lens and reflecting element; The bottom surface of these lens is located at above described LED light source, and the lateral surface of these lens is first surface, and the end face of these lens away from described LED light source offers groove, and the inwall of this groove is the second curved surface, and this reflecting element is arranged in this groove; This reflecting element has reflecting surface, this reflecting surface and this second SURFACES MATCHING; Wherein, described LED light source is arranged on the subjacent of these lens around ground, this second curved surface is positioned at inner side and the top of the ring that described LED light source surrounds, this first surface is positioned at outside described LED light source, this second curved surface sends and the inner side light and the portion outboard light that pass through the refraction of this lens base for reflecting or reflecting described LED light source, and this reflecting element forms transparent area away from the ora terminalis of described LED light source and this lens first surface away from the ora terminalis interval certain length of described LED light source.
Wherein, described multiple LED light source be circular setting on the substrate.
Wherein, this transparent area is circulus.
Wherein, this transparent area is through atomization process.
Wherein, the reflecting surface of this reflecting element is coated with scattering white paint.
Wherein, this second curved surface be used for by major part from described LED light source send and pass through this lens base reflect light reflect towards this first surface.
Wherein, this second curved surface is roughly the cylindrical sidewalls vertical with this lens base near the part of described LED light source, and this second curved surface is that the curved surface of arcuation bending is to be connected with the end of this first surface away from the part of described LED light source.
Wherein, the end face of this radiating piece is provided with boss, and this substrate is arranged on the end face of this boss.
Wherein, this reflecting element is assembled in the groove of these lens.
Wherein, this bulb housing is provided with printing opacity scattering material.
LEDbulb lamp of the present invention is by arranging the light distribution structure of these lens and this scatter plate composition, this light distribution structure is arranged on the top of the LED light source of these circular array, utilize the second curved surface of lens, first surface and this reflecting element to send LED light source and pass through this lens base refraction light carry out luminous intensity distribution, make light according to the posterior region of this LEDbulb lamp 100 to this radiating piece 2 place, thus can realize wide-angle luminescence.
Accompanying drawing explanation
Fig. 1 is the three-dimensional exploded view of the LEDbulb lamp of an embodiment of the present invention;
Fig. 2 is the front view after the assembling of LEDbulb lamp shown in Fig. 1;
Fig. 3 is the generalized section of LEDbulb lamp shown in Fig. 1;
Fig. 4 is the light path schematic diagram of lens and reflecting element in LEDbulb lamp shown in Fig. 1;
Fig. 5 is the distribution curve flux figure of LEDbulb lamp shown in Fig. 1.
Main element symbol description
100, LEDbulb lamp; 1, lamp holder; 2, radiating piece; 3, bulb housing; 4, LED light source;
5, lens; 51, first surface; 52, groove; 53, the second curved surface; 54, the first boss;
6, reflecting element; 61, reflecting surface; 7, boss; 71, draw-in groove;
Detailed description of the invention
By describing technology contents of the present invention, structural feature in detail, realized object and effect, accompanying drawing is coordinated to be explained in detail below in conjunction with embodiment.
See also Fig. 1 to Fig. 3, LEDbulb lamp 100 of the present invention comprises substrate, radiating piece 2 and bulb housing 3.This substrate is arranged on the top of this radiating piece 2, and the top of this substrate is provided with multiple LED light source 4, and this bulb housing 3 is located at the top of this radiating piece 2.In the present embodiment, LED light source 4 is surface attaching type LED light source.LEDbulb lamp 100 also comprises the light distribution structure be arranged on above LED light source 4, and light distribution structure comprises lens 5 and reflecting element 6.These lens 5 are in cylindric, the bottom surface of lens 5 is located at (as shown in Figure 3) above LED light source 4, LED light source 4 is arranged on the below of this lens 5 bottom surface around ground, in the present embodiment, LED light source 4 is arranged on (as shown in Figure 1) on substrate in circular, and arranges near the edge of this substrate.
Please refer to Fig. 1 and Fig. 3, the end face of this radiating piece 2 is provided with boss 7, and this substrate is arranged on the end face of this boss 7.This boss 7 outer surface has reflecting material, and this boss 7, for raising this substrate and the height of this lens 5 in this bulb housing 3, is avoided the light of injection from these lens 5 to be blocked by substrate and produced dead angle, expand lighting angle.In the present embodiment, the ora terminalis convex of lens 5 bottom surface is provided with multiple first fixture block 54, the edge ring of boss 7 end face is provided with the draw-in groove 71 equal with fixture block 54 quantity around these LED light sources 4, this first fixture block 54 and corresponding draw-in groove 71 snapping, thus described lens 5 are fixed on described boss 7.
Please refer to Fig. 1, Fig. 3 and Fig. 4, the lateral surface of these lens 5 is first surface 51.The end face away from described LED light source 4 of lens 5 offers groove 52 (as shown in Figure 1), and the inwall of this groove 52 is the second curved surface 53 (as shown in Figure 4).This second curved surface 53 is rotating curved surface structure and corresponding these are the LED light source 4 of circular row arranges, and this second curved surface 53 is positioned at inner side and the top of the annulus that these LED light sources 4 surround, and covers these LED light sources 4 with the form of semi-surrounding.This first surface 51 is positioned at the outside of the annulus that described LED light source 4 surrounds, this first surface 51 near the part of these LED light sources 4 be roughly with the cylindrical sidewalls of the plane perpendicular of these lens 5, so that major part to be sent and the light passing through the refraction of this lens 5 bottom surface reflects towards this second curved surface 53 from these LED light sources 4; This first surface 51 is that the curved surface of arcuation bending is to be connected with the end of this second curved surface 53 away from the part of these LED light sources 4.Certainly, part light is separately had directly outwards to reflect from this first surface 51.This second curved surface 53 is for reflecting or reflecting the inner side light inwardly sent that is that these LED light sources 4 send and that reflect through this lens 5 bottom surface and the outer beam partly outwards sent.
Be provided with reflecting element 6 in this groove 52, in the present embodiment, this reflecting element 6 is assembled in the groove 52 of these lens 5.This reflecting element 6 is in umbrella, and this reflecting element 6 has reflecting surface 61, and this reflecting surface 61 mates with this second curved surface 53, for reflecting the light reflected from this second curved surface 53, these light is entered in these lens 5 again.In the present embodiment, the reflecting surface 61 of this reflecting element 6 is coated with scattering white paint, the function of this scattering white paint is to carry out mixed light to light, prevents these lens 5 from reflecting light splitting.
Refer to profile and light path schematic diagram that Fig. 4-5, Fig. 4 is lens and reflecting element, carry out guide-lighting principle for the light sent a LEDs light source 4, the operation principle of lens of the present invention and reflecting element is described.LED light source 4 is apart from the vertical range m of the rotating shaft y of lens 5, second curved surface 53 of described lens 5 is for sending major part from LED light source 4 and reflecting towards first surface 51 through the inner side light S1 inwardly sent of lens 5 bottom surface refraction, formation first emergent ray S11 is reflected away again through first surface 51, wherein, major part the first emergent ray S11 penetrates from horizontal downside, according to the posterior region of this LEDbulb lamp 100 to this radiating piece 2 place, to reach the requirement of wide-angle.
First surface 53 is for sending LED light source 4 and reflecting through the outer beam S2 that outwards sends of a part of lens 5 bottom surface refraction, the light of reflection is refracted to by the second curved surface 51 on the reflecting surface 61 of described umbrella reflecting element 6, this reflecting surface 61 carries out diffuse reflection for the light reflected the second curved surface 51, reflects away formation second emergent ray S22 again through irreflexive light by the second toroidal lens 5.
Further, in order to make distribution curve flux even, 0 of distribution curve flux ° of-45 ° of part is allowed also to have light, in the present embodiment, reflecting element 6 forms transparent area away from the ora terminalis of LED light source 4 and this lens 5 away from the ora terminalis interval certain length n of LED light source, this transparent area is circulus, that LED light source 4 sends and through lens 5 bottom surface refraction a part of outer beam S3 be directly refracted as the 3rd emergent ray S33 by this transparent area, 0-45 ° of part of distribution curve flux in 3rd emergent ray S33 composition diagram 5, wherein, this transparent area is through atomization process.In other embodiments, also by arranging printing opacity scattering material on bulb housing 3, wide-angle luminescence is realized.
In sum, LEDbulb lamp of the present invention is by arranging the light distribution structure of these lens and this scatter plate composition, this light distribution structure is arranged on the top of the LED light source of these circular array, utilize the second curved surface of lens, first surface and this reflecting element to send LED light source and pass through this lens base refraction light carry out luminous intensity distribution, make light according to the posterior region of this LEDbulb lamp 100 to this radiating piece 2 place, thus can realize wide-angle luminescence.Further, in order to strengthen 0-45 ° of luminous intensity distribution, form ring-type transparent area away from the ora terminalis of LED light source and this lens first surface away from the ora terminalis interval certain length of LED light source at reflecting element, a part of outer beam is directly refracted as the emergent light of 0-45 ° of part of composition distribution curve flux by this transparent area.
Therefore, LEDbulb lamp of the present invention is by light distribution structure to around ground, the LED light source be arranged on below this lens base realizes wide-angle luminous intensity distribution, and beam angle is greater than 270 °, and distribution curve flux uniformity is good, and outward appearance and traditional bulb lamp of whole lamp are close.Add lens transparent bulb lamp relative to LEDA60 on the market, the Light distribation angle of LEDbulb lamp of the present invention is large, and half peak value beam angle of actual measurement reaches 280 °, and distribution curve flux is even, brightness uniformity.And visual experience only sends from lens, light effective, more close to the illuminating effect of traditional A60 incandescent lamp.
Understandable, this reflecting element 6 also for being coated in the reflection enamelled coating on this second curved surface 53, thus can simplify structure further.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. a LEDbulb lamp, comprises substrate, radiating piece and bulb housing, and this substrate is arranged on the top of this radiating piece, and this bulb housing is located at the top of this radiating piece, and the top of this substrate is provided with multiple LED light source, it is characterized in that:
Also comprise the light distribution structure be arranged on above described multiple LED light source, this light distribution structure comprises lens and reflecting element; The bottom surface of these lens is located at above described LED light source, and the lateral surface of these lens is first surface, and the end face of these lens away from described LED light source offers groove, and the inwall of this groove is the second curved surface, and this reflecting element is arranged in this groove; This reflecting element has reflecting surface, this reflecting surface and this second SURFACES MATCHING;
Wherein, described LED light source is arranged on the subjacent of these lens around ground, this second curved surface is positioned at inner side and the top of the ring that described LED light source surrounds, this first surface is positioned at outside described LED light source, this second curved surface sends and the inner side light and the portion outboard light that pass through the refraction of this lens base for reflecting or reflecting described LED light source, and this reflecting element forms transparent area away from the ora terminalis of described LED light source and this lens first surface away from the ora terminalis interval certain length of described LED light source.
2. a kind of LEDbulb lamp according to claim 1, is characterized in that, described multiple LED light source be circular setting on the substrate.
3. a kind of LEDbulb lamp according to claim 2, is characterized in that, this transparent area is circulus.
4. a kind of LEDbulb lamp according to claim 3, is characterized in that, this transparent area is through atomization process.
5. a kind of LEDbulb lamp according to claim 1, is characterized in that, the reflecting surface of this reflecting element is coated with scattering white paint.
6. a kind of LEDbulb lamp according to claim 1, is characterized in that, this first surface be used for by major part from described LED light source send and pass through this lens base reflect light towards this second camber reflection.
7. a kind of LEDbulb lamp according to claim 6, it is characterized in that, this first surface is roughly the cylindrical sidewalls vertical with this lens base near the part of described LED light source, and this first surface is that the curved surface of arcuation bending is to be connected with the end of this second curved surface away from the part of described LED light source.
8. a kind of LEDbulb lamp according to claim 1, is characterized in that, the end face of this radiating piece is provided with boss, and this substrate is arranged on the end face of this boss.
9. a kind of LEDbulb lamp according to claim 1, is characterized in that, this reflecting element is be coated in the reflecting layer on this second curved surface.
10. a kind of LEDbulb lamp according to claim 1, is characterized in that, this bulb housing is provided with printing opacity scattering material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210265420.3A CN102788268B (en) | 2012-07-27 | 2012-07-27 | LEDbulb lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210265420.3A CN102788268B (en) | 2012-07-27 | 2012-07-27 | LEDbulb lamp |
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| Publication Number | Publication Date |
|---|---|
| CN102788268A CN102788268A (en) | 2012-11-21 |
| CN102788268B true CN102788268B (en) | 2016-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210265420.3A Active CN102788268B (en) | 2012-07-27 | 2012-07-27 | LEDbulb lamp |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014103062A (en) * | 2012-11-22 | 2014-06-05 | Enplas Corp | Lighting fixture |
| CN102980075B (en) * | 2012-12-26 | 2014-08-06 | 深圳市洲明科技股份有限公司 | LED (Light-emitting Diode) large-angle light distribution device and LED bulb |
| CN104235635A (en) * | 2013-06-17 | 2014-12-24 | 欧普照明股份有限公司 | LED lamp |
| CN103953867A (en) * | 2014-05-05 | 2014-07-30 | 立达信绿色照明股份有限公司 | Full-ambient-light LED (light-emitting diode) bulb lamp |
| CN105135922A (en) * | 2015-08-28 | 2015-12-09 | 中山市绿涛电子科技有限公司 | Radiator |
| CN105202487B (en) * | 2015-10-20 | 2022-10-25 | 漳州立达信灯具有限公司 | Bulb shell fixing structure |
| CN108036208A (en) * | 2017-12-31 | 2018-05-15 | 普天智能照明研究院有限公司 | A kind of optics light distribution module and there is its ball bulb lamp structure |
| CN111623267A (en) * | 2020-06-22 | 2020-09-04 | 欧普照明股份有限公司 | Lamp and bulb shell thereof |
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| KR100586965B1 (en) * | 2004-05-27 | 2006-06-08 | 삼성전기주식회사 | Light emitting diode device |
| US8975806B2 (en) * | 2010-08-31 | 2015-03-10 | Toshiba Lighting & Technology Corporation | Bulb-type lamp |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101201415A (en) * | 2006-12-15 | 2008-06-18 | 鸿富锦精密工业（深圳）有限公司 | Light guide lens and LED containing the same |
| CN102235594A (en) * | 2010-05-04 | 2011-11-09 | 艾迪光电（杭州）有限公司 | Light-emitting diode (LED) light-emitting module |
| CN202284732U (en) * | 2011-08-29 | 2012-06-27 | 漳州灿坤实业有限公司 | LED bulb lamp having a light-emitting angle of 270 DEG |
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| CN102788268A (en) | 2012-11-21 |
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Effective date of registration: 20160105 Address after: Xingtai Industrial Park Economic Development Zone, Changtai County, Fujian city of Zhangzhou Province Applicant after: ZHANGZHOU LIDAXIN PHOTOELECTRON TECHNOLOGY CO., LTD. Address before: The Lake District of Xiamen City, Fujian province 361010 Fang Hubei two Road No. 1511 Applicant before: Leedarson Lighting (Xiamen) Co., Ltd. |
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