CN101769459B - Light emitting diode unit - Google Patents
Light emitting diode unit Download PDFInfo
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- CN101769459B CN101769459B CN2009103000498A CN200910300049A CN101769459B CN 101769459 B CN101769459 B CN 101769459B CN 2009103000498 A CN2009103000498 A CN 2009103000498A CN 200910300049 A CN200910300049 A CN 200910300049A CN 101769459 B CN101769459 B CN 101769459B
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- emitting diode
- light emitting
- reflector
- lens
- plate body
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Abstract
The invention relates to a light emitting diode unit comprising a light emitting diode, a reflector surrounding the light emitting diode and a lens arranged above the light emitting diode, wherein the lens is fixed in the reflector in a fastening manner. The light emitting diode unit can realize fixation between the reflector and the lens without a third-party tool so that a lamp set using the light emitting diode unit can be assembled more conveniently.
Description
Technical field
The present invention relates to a kind of light emitting diode, be meant a kind of assembling light emitting diode easily especially.
Background technology
As a kind of emerging light source, light emitting diode relies on high, the advantages such as volume is little, in light weight, environmental protection of its luminous efficiency, has been widely applied in the middle of the current every field, has much the trend that replaces conventional light source.
Than conventional light source, the light major part that light emitting diode is exported all concentrates on its chip the place ahead, has higher directive property, therefore can directly be used for some field (like traffic lights) without the optics correction.But for the light fixture in the lighting field, the light beam of light emitting diode is still concentrated inadequately, and its intensity is limited, can't satisfy the lighting demand of high brightness.Therefore, for more effectively utilizing the light of light emitting diode, generally adopt the mode of convex lens and reflector combination to come the light beam of light emitting diode is adjusted.This reflector is around light emitting diode, and it is used for the light that led sides is sent is reflected towards the top; These convex lens are fixed in directly over the light emitting diode, and it is used for the light that self-luminous diode top is sent and the light of the cover reflection that is reflected is assembled to a tuftlet light beam jointly, and output intensity is increased.
The method that convex lens are fixed on light emitting diode top has a variety of, wherein common a kind of be to adopt third-party instrument that convex lens are fixed on the reflector.Announce No. the 5th, 173,810, patent like the U.S., it has adopted a glass plate to realize fixing between convex lens and reflector.The bottom of reflector contacts with the bottom of convex lens, and glass plate is then suppressed the top of convex lens, thereby convex lens are clamped between the two.But, adopt this kind method fixed convex lens owing to need by third-party instrument, cause the parts in the light fixture too much, be unfavorable for the assembling of light fixture.
Summary of the invention
In view of this, be necessary to provide a kind of assembling light emitting diode easily in fact.
A kind of light emitting diode; It comprises that a light emitting diode, a reflector and around light emitting diode are arranged at the lens of light emitting diode top; These lens are fixed in the said reflector through the mode of buckle; These lens comprise the protuberance that a plate body and upwards protrudes out from plate body, and this plate body buckles in the reflector, and the inner peripheral surface of this reflector forms a step and one and this step elasticity pressure section of being separated by; The plate body of these lens is held between said step and the pressure section; The top of this pressure section is connected in the annulus of this reflector, and the angle that the self-luminous diode sends light bigger than normal will at first pass plate body, and then reflect outside the light emitting diode via the inner peripheral surface of said annulus.
Compared with prior art; The lens of light emitting diode of the present invention directly buckle in the reflector, and it does not need can fix with reflector by other instruments, thus; Use the light fixture of light emitting diode of the present invention only to need less parts, thereby make the assembling of whole light fixture comparatively convenient.
With reference to the accompanying drawings, in conjunction with specific embodiment the present invention is done further description.
Description of drawings
Fig. 1 is the three-dimensional combination figure of light emitting diode of the present invention.
Fig. 2 is the exploded view of Fig. 1, and this moment, the light emitting diode of light emitting diode was removed with convenient observation.
Fig. 3 is the inversion figure of Fig. 2.
Fig. 4 is the sectional view of Fig. 1.
Fig. 5 is the side view of Fig. 1.
The specific embodiment
Shown in Fig. 1 and 4, be light emitting diode of the present invention.This light emitting diode comprises a light emitting diode 10 and one and the leaded light module 20 that is used of light emitting diode 10.This light emitting diode 10 comprises that light-emitting diode chip for backlight unit 14, that a pedestal 12, is bonded in pedestal 12 end faces is located on around the chip 14 and is fixed in the matrix 16 of pedestal 12 end faces and the sealing cover 18 of an encapsulate chip 14.This matrix 16 is bowl-shape, its offer one accommodate chip 14 depression (figure is mark).This sealing cover 18 fills up this depression and protruding upward one hemispherical dome.The sidepiece of this depression (being the inner peripheral surface of matrix 16) is used for the light that chip 14 lateral margins send is reflexed to sealing cover 18 tops; The light that the dome of sealing cover 18 then sends chip 14 tops and assemble through the light of matrix 16 reflections makes the roughly tapered light beam of light emitting diode 10 outputs one.
Please consult Fig. 2-3 and 5 in the lump, this leaded light module 20 comprises that a reflector 30 and around light emitting diode 10 is fixedly arranged on the lens 40 in the reflector 30.This reflector 30 is one-body molded by transparent material (like PC, PMMA etc.), and it comprises that a base plate 32, is formed at the annulus 36 at sidewall 34 tops from the base plate 32 peripheries upwardly extending sidewall 34 and that tilts.It is one discoideus that this base plate 32 is, the groove 320 (like Fig. 3) that upwards caves in and a rectangle in the middle part of its bottom surface.The degree of depth of this groove 320 is contained in wherein with lucky pedestal 12 with light emitting diode 10 less than the thickness of base plate 32.Upwards depression is continued at the top of this groove 320, thereby forms the through hole 322 of a circle at the middle part of base plate 32.The diameter of this through hole 322 equals the width of this groove 320, and it is used to supply the matrix 16 of light emitting diode 10 to pass and deeply to reflector 30 inside.This sidewall 34 sets out the cumulative from bottom to top cavity of an internal diameter 300 with annulus 36 one common peripheral, with ccontaining lens 40.A kind of in parabolic, ellipsoid and the sphere of the sidepiece of this cavity 300 (being sidewall 34 and the inner peripheral surface of annulus 36), its can be with the angle of emergence that self-luminous diode 10 sends bigger light is towards lens 40 reflections.The groove 340 of one annular is opened on the inner peripheral surface of sidewall 34 and annulus 36, and it crosses over the intersection of sidewall 34 and annulus 36.The step 342 of one ring-type is formed on the bottom of this groove 340, to carry lens 40.This sidewall 34 and the outer peripheral face of annulus 36 are offered two relative flutings 38 jointly.Each fluting 38 is also crossed over the intersection of sidewall 34 and annulus 36, and its top is run through sidewall 34 and annulus 36 and is communicated with cavity 300 through groove 340, and it is interior and separate with cavity 300 that its underpart then ends at sidewall 34.All form a fastening part 382 in each fluting 38, it comprises one from slotting the pressure section 384 of 38 tops to the wedge shape that extends below.The width of this pressure section 384 is cumulative from top to bottom, forms a holding part 386 between its bottom surface and the step 342, in order to accommodate the appropriate section of lens 40.Because pressure section 384 only has the top to be connected with annulus 36, its relative annulus 36 has certain elastic force, can bear deformation to a certain degree in the horizontal direction.
These lens 40 are also one-body molded by transparent material (like PC, PMMA etc.), it comprise a circular plate body 42 and from the end face middle part of plate body 42 protuberance 44 protruding upward.The external diameter of this plate body 42 is less than the internal diameter of reflector 30 grooves 340 and greater than the spacing of two pressure sections 384 and the internal diameter of step 342, stably to be held on 342 on pressure section 384 and step.This plate body 42 is used for cooperating with the part light with light emitting diode 10 with the inner peripheral surface of reflector 30 and is adjusted into directional light; Wherein the bigger light of the angle of emergence that sends of self-luminous diode 10 will at first be reflected by the inner peripheral surface of sidewall 34, and then pass plate body 42 and outgoing to light emitting diode; The angle of emergence that self-luminous diode 10 sends light bigger than normal will at first pass plate body 42, and then reflect outside the light emitting diode via the inner peripheral surface of annulus 36.The position of the lower surface respective leds 10 of this plate body 42 forms slightly protruding first aspheric surface 420, in less convergence of rays to the lens 40 of the angle of emergence that self-luminous diode 10 is sent.The surface of this protuberance 40 forms second aspheric surface 440 of a curvature greater than first aspheric surface, 420 curvature, is used for further to the convergence of rays from 420 incidents of first aspheric surface.Because the good optically focused characteristic of aspheric surface, this two aspheric surface 420,440 can concentrate on output light in the one extremely narrow collimated light beam, makes light beam can propagate larger distance.Correction via two aspheric surfaces 420,440 of the plate body 42 of reflector 30 and lens 40 and lens 40; The light that light emitting diode 10 is sent all can be adjusted to directional light; Wherein 90% light intensity all is concentrated in the scope that departs from 2.5 degree about optical axis, thereby makes output light have high directive property.
When assembling this light emitting diode, only need lens 40 are placed in the reflector 30, descend applanation lens 40 then, make its inwardly extruding two pressure sections 384.The base abuts of treating lens 40 was in 342 last times of step, and pressure section 384 will recover deformation, thereby jointly lens 40 will be held on therebetween with step 342.Compared with prior art; Light emitting diode of the present invention does not need can realize the fixing of 30 of lens 40 and reflectors by third party's instrument; Thereby make the number of components of the light fixture (figure does not show) that adopts this kind light emitting diode controlled, make the assembling of light fixture more convenient.
Claims (8)
1. light emitting diode; It comprises that a light emitting diode, a reflector and around light emitting diode are arranged at the lens of light emitting diode top; It is characterized in that: these lens are fixed in the said reflector through the mode of buckle; These lens comprise the protuberance that a plate body and upwards protrudes out from plate body, and this plate body buckles in the reflector, and the inner peripheral surface of this reflector forms a step and one and this step elasticity pressure section of being separated by; The plate body of these lens is held between said step and the pressure section; The top of this pressure section is connected in the annulus of this reflector, and the angle that the self-luminous diode sends light bigger than normal will at first pass plate body, and then reflect outside the light emitting diode via the inner peripheral surface of said annulus.
2. light emitting diode as claimed in claim 1 is characterized in that: this reflector is one-body molded by transparent material.
3. light emitting diode as claimed in claim 1 is characterized in that: the bottom surface of this plate body protrudes out one first aspheric surface downwards corresponding to the position of light emitting diode.
4. light emitting diode as claimed in claim 3 is characterized in that: the protuberance of these lens forms one second aspheric surface corresponding to the position of light emitting diode, and this second aspheric curvature is greater than the first aspheric curvature.
5. light emitting diode as claimed in claim 1 is characterized in that: the outer peripheral face of this reflector is offered a fluting, the top of this fluting and the internal communication of reflector, and the inside of bottom and reflector separates.
6. light emitting diode as claimed in claim 5 is characterized in that: this pressure section is positioned at fluting.
7. light emitting diode as claimed in claim 1 is characterized in that: the inner peripheral surface of this reflector is also offered the groove of a ring-type, and this step becomes the bottom of groove, this pressure section from the top of groove to extending below.
8. light emitting diode as claimed in claim 1 is characterized in that: the inner peripheral surface of this reflector is a parabola, ellipsoid or sphere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103000498A CN101769459B (en) | 2009-01-05 | 2009-01-05 | Light emitting diode unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103000498A CN101769459B (en) | 2009-01-05 | 2009-01-05 | Light emitting diode unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101769459A CN101769459A (en) | 2010-07-07 |
| CN101769459B true CN101769459B (en) | 2012-06-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009103000498A Expired - Fee Related CN101769459B (en) | 2009-01-05 | 2009-01-05 | Light emitting diode unit |
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| Country | Link |
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| CN (1) | CN101769459B (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102620150B (en) * | 2011-01-30 | 2014-12-17 | 轩豊股份有限公司 | Light-emitting diode lamp |
| WO2013042238A1 (en) * | 2011-09-22 | 2013-03-28 | 東芝ライテック株式会社 | Light-bulb shape led lamp |
| WO2013060007A1 (en) * | 2011-10-27 | 2013-05-02 | General Electric Company | Using two thermal switches to control a hybrid lamp |
| CN103307461B (en) * | 2012-03-08 | 2016-02-17 | 海洋王照明科技股份有限公司 | A kind of light fixture |
| TW201418623A (en) * | 2012-11-14 | 2014-05-16 | Sunonwealth Electr Mach Ind Co | Light device |
| CN103398348B (en) * | 2013-08-14 | 2015-11-25 | 浙江晶日照明科技有限公司 | Split type light fixture optically focused projection assembly |
| US10120266B2 (en) | 2014-01-06 | 2018-11-06 | Lumileds Llc | Thin LED flash for camera |
| DE202014101985U1 (en) * | 2014-04-28 | 2015-07-30 | Zumtobel Lighting Gmbh | Arrangement for forming an elongated, channel-like receiving space |
| CN104315376A (en) * | 2014-10-20 | 2015-01-28 | 昆山博文照明科技有限公司 | LED (light emitting diode) light bar |
| CN104456179A (en) * | 2014-10-23 | 2015-03-25 | 昆山博文照明科技有限公司 | Fabric holiday lamp |
| CN104456195A (en) * | 2014-11-21 | 2015-03-25 | 昆山博文照明科技有限公司 | Led lamp |
| CN106555946A (en) * | 2015-09-24 | 2017-04-05 | 通用电气照明解决方案有限公司 | Illuminator |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2837669Y (en) * | 2005-08-26 | 2006-11-15 | 郁建旦 | Spotlight |
| CN101067479A (en) * | 2007-02-06 | 2007-11-07 | 宁波安迪光电科技有限公司 | Large power LED illuminating device |
-
2009
- 2009-01-05 CN CN2009103000498A patent/CN101769459B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2837669Y (en) * | 2005-08-26 | 2006-11-15 | 郁建旦 | Spotlight |
| CN101067479A (en) * | 2007-02-06 | 2007-11-07 | 宁波安迪光电科技有限公司 | Large power LED illuminating device |
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| Publication number | Publication date |
|---|---|
| CN101769459A (en) | 2010-07-07 |
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Application publication date: 20100707 Assignee: Quanyida Technology (Foshan) Co., Ltd. Assignor: Fuzhun Precision Industry (Shenzhen) Co., Ltd.|Foxconn Technology Limited by Share Ltd Contract record no.: 2013990000043 Denomination of invention: Light emitting diode Granted publication date: 20120613 License type: Exclusive License Record date: 20130130 |
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Effective date of registration: 20130308 Address after: 528051, Huabao North Road, Chengxi Industrial Zone, Chancheng District, Guangdong, Foshan, 35 Patentee after: Quanyida Technology (Foshan) Co., Ltd. Patentee after: Foxconn Precision Industry Co., Ltd. Address before: 518109 Guangdong city of Shenzhen province Baoan District Longhua Town Industrial Zone tabulaeformis tenth East Ring Road No. 2 two Patentee before: Fuhuai (Shenzheng) Precision Industry Co., Ltd. Patentee before: Foxconn Precision Industry Co., Ltd. |
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Effective date of registration: 20141105 Address after: Tongzhou District Ping Chao Zhen Wan Zi tou Cun, Jiangsu city of Nantong province 226000 Patentee after: Nantong Huacheng Lighting Electrical Appliance Co. Ltd. Address before: 528051, Huabao North Road, Chengxi Industrial Zone, Chancheng District, Guangdong, Foshan, 35 Patentee before: Quanyida Technology (Foshan) Co., Ltd. Patentee before: Foxconn Precision Industry Co., Ltd. |
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Owner name: NANTONG ZHENGPING PHOTO-ELECTRIC EQUIPMENTS CO., L Free format text: FORMER OWNER: NANTONG HUACHENG LIGHTING ELECTRICAL APPLIANCE CO., LTD. Effective date: 20150216 |
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Effective date of registration: 20150216 Address after: Tongzhou District Pingchao Town Village 226353 head of Nantong city in Jiangsu Province Patentee after: Nantong Zhengping Photoelectric Equipment Co. Ltd. Address before: Tongzhou District Ping Chao Zhen Wan Zi tou Cun, Jiangsu city of Nantong province 226000 Patentee before: Nantong Huacheng Lighting Electrical Appliance Co. Ltd. |
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