CN202371632U - Optical lens of illuminating lamp and base adopting same - Google Patents
Optical lens of illuminating lamp and base adopting same Download PDFInfo
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- CN202371632U CN202371632U CN2011203635751U CN201120363575U CN202371632U CN 202371632 U CN202371632 U CN 202371632U CN 2011203635751 U CN2011203635751 U CN 2011203635751U CN 201120363575 U CN201120363575 U CN 201120363575U CN 202371632 U CN202371632 U CN 202371632U
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Abstract
The utility model relates to an optical lens of an illuminating lamp and a base adopting the same. The optical lens is provided with a lens body to be assembled behind the base and then is combined with an LED (Light-Emitting Diode) light emitting source to form the illuminating lamp; the lens body comprises a plane part arranged at the top of the lens body and a projection cone arranged at the bottom of the lens body; the center of the projection cone is provided with an accommodating chamber for placing the LED light emitting source; and the outer curved surface of the projection cone consists of a plurality of curved surface points which are arranged in a concentric circle mode. Therefore, the illuminating angle, the luminosity distribution and the illuminance distribution of the LED light emitting source are regulated by utilizing the optical lens, so that the illuminating effect is more centralized and uniform, and the illuminating lamp is suitable for showing or indoor illumination and has the advantages of energy saving, carbon saving and environmental protection.
Description
Technical field:
The utility model relates to lens, is specifically related to a kind of being applied to and shows the optical lens structure with on lighting or the indoor lighting, and the utility model also relates to the pedestal that adopts these lens.
Background technology:
(Light Emitting Diode LED) compared to general conventional light source, has than advantages such as low power consumption, high-effect, life-span are long light emitting diode.As under identical brightness, using, its power consumption is merely 1/10 of ordinary incandescent lamp, 1/2 of electricity-saving lamp, and significantly prolong about 100 times the service life of LED.So LED is widely used in like the backlight module of display in recent years, lighting fields such as indicator lamp light source or general illumination equipment because LED has special considerable energy saving savings advantage, have also improved practicality relatively.
Yet compared to conventional light source, the divergence of beam angle of light emitting diode is less; When being applied to displaying or lighting use; For lighting angle, photometric distribution and the Illumination Distribution of adjusting LED, light is concentrated and effective raising light intensity, and the various optical lens that is used for concentrating the LED illumination is arranged; Structural design according to optical lens is different; When applying to the use of lighting field, cause ZhaoMing Center with very huge because center brightness too concentrates unavoidably, often have the problem of brightness irregularities away from the brightness difference in size of locating.Moreover optical lens also utilizes the secondary optics principle, changing the optical property that LED projects, and under various service condition, best illumination condition can be provided all.Generally to use or illuminating light fixture is example as showing; The lighting effect that its lighting requirement need have enough brightness at least and concentrate; And the user is provided good and comfortable illumination zone, in addition, the LED light emitting source can also be connected and coupling each other; To reduce the phenomenon that interrupt the field of illumination, the illuminating effect that influence is showed or read.Therefore, how effectively to projection illumination, the lighting angle of this LED light emitting source, with and the illumination uniformity improve, be the problem that the relevant practitioner's utmost point desire in this area is improved.
Utility model people further develops the optical lens of another kind of lighting; Be provided with a projection circular cone in this optical lens; And the positive camber of this projection circular cone is made up of a plurality of surface points that concentric circles is provided with, and is able to change and adjust lighting angle, photometric distribution and the Illumination Distribution of a LED light emitting source, and it is concentrated more and even that its irradiate light is distributed; So that the user to be provided more comfortable lighting environment, and can meet the environmental requirement of energy-saving and carbon-saving.
The utility model content
Because the problems referred to above; The purpose of the utility model is to provide a kind of optical lens of lighting; It utilizes the set projection circular cone in bottom surface, and combines the secondary optics principle, to change and to adjust lighting angle, photometric distribution and the Illumination Distribution of a LED light emitting source.In view of the above, and can make the irradiate light of this LED light emitting source distribute to concentrate more and evenly, so that the user to be provided more comfortable lighting environment, and can meet the environmental requirement of energy-saving and carbon-saving.
Another purpose of the utility model; Aim to provide a kind of optical lens structure of lighting of ease of assembly; Be to be connected with this LED light emitting source fast through the setting of a pedestal; And the design of louvre is arranged and can get rid of the heat of this LED light emitting source when shinny fast, the stability when guaranteeing that it uses.
For reaching above-mentioned purpose; The optical lens of the lighting of the utility model has a lens body and after being mounted on a pedestal, combines with a LED light emitting source to form a lighting again; This lens body system comprises: a planar portions, be located at the top of this lens body; Reach a projection circular cone, be located at the bottom of this lens body, the center cording of this projection circular cone has an accommodation chamber to place this LED light emitting source; Positive camber system of this projection circular cone is made up of a plurality of surface points that concentric circles is provided with, and wherein, the straight line on the opening surface in the opening center of circle through this accommodation chamber and the center line of this lens body form a datum level; And this straight line is an X axle; This center line is a Y axle, and d is that a unit coordinate is long, and this X axle and this Y axle intersection are the origin of coordinates; These surface points to this X, Y wheelbase from being more than or equal to zero and having a relative error p respectively, and-d/20≤p≤d/20.
To sum up, the utility model more provides following several embodiment, and makes this projection circular cone have different positive cambers.In first embodiment, these surface points have each point (2.00 on the X-Y coordinate plane; 0), (2.82,0.82), (3.54,1.84), (4.03; 2.63), (4.63,3.69) and (5.21,5.20); And this planar portions is provided with a perforate to position system that should accommodation chamber, and in this perforate, inserts a printing opacity colloid.
In second embodiment, these surface points have each point (2.10,0), (2.70,1.42), (3.34,2.37), (3.96,3.35), (4.57,4.23) and (5.14,5.13), and this accommodation chamber have more a lens section on the X-Y coordinate plane.
In the 3rd embodiment, these surface points have each point (1.80,0), (2.49,1.35), (3.09,2.22), (3.70,3.07), (4.29,4.00) and (5.05,5.18), and this accommodation chamber have more a lens section on the X-Y coordinate plane.
In the 4th embodiment, these surface points have each point (1.78,0), (2.40,0.69), (3.12,1.66), (3.58,2.38), (4.04,3.10), (4.65,4.15) and (5.25,5.20) on the X-Y coordinate plane.Each surface points in each embodiment has different coordinates in the X-Y coordinate plane; And produce different positive cambers; When with after this LED light emitting source combines, light is through the refraction principle of secondary optics, and can change and adjust lighting angle, photometric distribution and the Illumination Distribution of this LED light emitting source.
So can this optical lens structure of the utility model amplified or dwindle with equal proportion also be the major technique characteristic that the utility model is desired to reach its purpose.And wherein work as the long d of this unit coordinate is 1mm, and this relative error p is-0.05mm≤p≤0.05mm.The assembling of this optical lens for ease again, this optical lens more can comprise a latch closure portion, and the periphery that it is arranged at this lens body is provided with being fixed each other with respect to this pedestal.Moreover, for making the illuminating effect after the ray cast more even, having more a refraction structure in this planar portions, this refraction structure system wherein is arranged side by side by concavo-convex vertical bar and forms, and makes light produce the effect of rectangular diffusion; Or this refraction structure is to be arranged side by side by a plurality of hexagons refraction particles to form, and makes light produce the dizzy effect of diffusion of opening; Maybe this planar portions is handled through frosted, and made light produce the dizzy effect of diffusion of opening.
In addition; For convenient this optical lens with the utility model is assembled; The utility model also provides a kind of base construction, and this pedestal comprises: one encircles barricade, is located at the periphery of this pedestal; And on this ring barricade and have a plurality of clamping parts and detain and establish this lens body, this projection circular cone system is coated on this base interior; One light hole is located on this pedestal and is located at position that should the LED light emitting source; A pair of fixing hole is located at two sides of this light hole respectively; And a pair of louvre, being located at two sides of this light hole and vertical each other respectively with the position of these fixing holes, the opening system of these louvres extends to this ring barricade.
The effect of the utility model is to utilize the positive camber angle design of this projection circular cone of this optical lens; Will be arranged at this LED light emitting source in this accommodation chamber; Make light must change and adjust lighting angle, photometric distribution and the Illumination Distribution of former LED light emitting source via the refraction principle of secondary optics, make its light concentrated more and even, to produce comfortable lighting environment; And be applicable to and show or indoor lighting use, can meet the environmental requirement of energy-saving and carbon-saving again.
Description of drawings:
Fig. 1 is the three-dimensional exploded view of the utility model first embodiment.
Fig. 2 is the stereo appearance figure after the utility model first embodiment assembling.
Fig. 3 is that the utility model first embodiment is in the side view of X-Y plane.
Fig. 4 is the ray tracing sketch map of the utility model first embodiment.
Fig. 5 is the structural representation of the utility model second embodiment.
Fig. 6 is that the utility model second embodiment is in the side view of X-Y plane.
Fig. 7 is the ray tracing sketch map of the utility model second embodiment.
Fig. 8 is the structural representation of the utility model the 3rd embodiment.
Fig. 9 is that the utility model the 3rd embodiment is in the side view of X-Y plane.
Figure 10 is the ray tracing sketch map of the utility model the 3rd embodiment.
Figure 11 is the structural representation of the utility model the 4th embodiment.
Figure 12 is that the utility model the 4th embodiment is in the side view of X-Y plane.
Figure 13 is the ray tracing sketch map of the utility model the 4th embodiment.
The specific embodiment:
For enabling the clear content of understanding the utility model, sincerely graphic with the description collocation, please consult.
See also Fig. 1,2,3, shown in 4, be the three-dimensional exploded view of the utility model first embodiment and the stereo appearance figure after the assembling thereof, this utility model first embodiment is in the side view and the ray tracing sketch map thereof of X-Y plane.Shown in figure, the optical lens cording of the lighting of the utility model has a lens body 1 and is mounted on the pedestal 2, combines to form a lighting with a LED light emitting source 3 again.
Wherein, this lens body 1 comprises: a planar portions 11, be located at the top of this lens body 1, and shown in figure, this planar portions system presents the aspect of smooth flat; Reach a projection circular cone 12, be located at the bottom of this lens body 1, the center of this projection circular cone 12 has an accommodation chamber 121 to place this LED light emitting source 3, and positive camber of this projection circular cone 12 is made up of 122 of a plurality of surface points that concentric circles is provided with.For another example shown in the 3rd figure; This first embodiment is through the straight line on the opening surface in the opening center of circle of this accommodation chamber 121; Form a datum level with the center line through this lens body 1, and to set this straight line be an X axle, this center line is a Y axle; D is that a unit coordinate is long, and this X axle and this Y axle intersection are the origin of coordinates; And wherein work as the long d of this unit coordinate is 1mm, and this relative error p is-0.05mm≤p≤0.05mm.And these surface points 122 to this X, Y wheelbase from being more than or equal to zero and having a relative error p respectively, and-d/20≤p≤d/20.Wherein, these surface points 122 have each point (2.00 on the X-Y coordinate plane; 0), (2.82,0.82), (3.54,1.84), (4.03; 2.63), (4.63,3.69) and (5.21,5.20); And form downwards and the cone-shaped structure body of convergent, and the position that 11 pairs of this planar portions should accommodation chamber 121 is provided with a perforate 111, and in this perforate 111, insert a printing opacity colloid 112.In addition, this optical lens more can comprise a latch closure portion 13, and the periphery that it is arranged at this lens body 1 is provided with being fixed each other with respect to this pedestal 2.
And this pedestal 2 is to comprise: one encircles barricade 21, and around the periphery that is arranged at this pedestal 2, and these ring barricade 21 adjacent openings place cordings have a plurality of clamping parts 211 and supply to link closely this lens body 1, and make this projection circular cone 12 be coated on the inside of this pedestal 2; One light hole 22 is arranged on this pedestal 2 and is located at position that should LED light emitting source 3, the LED part of this LED light emitting source 3 is penetrated in this light hole 22, and light can see through this light hole 22 and these accommodation chamber 121 inside are gone in projection; A pair of fixing hole 23 is arranged at two sides of this light hole 22 respectively, is provided with fixing this LED light emitting source 3; And a pair of louvre 24, being arranged at two sides of this light hole 22 and vertical each other respectively with the position of these fixing holes 23, the opening of these louvres 24 is to extend to this ring barricade 21.
See also Fig. 4 again; When this LED light emitting source 3 is shinny; Irradiate light is gone into this accommodation chamber 121; And see through these accommodation chamber 121 inner set reflector spaces light done primary refraction, and these light that reflected can be refracted to this projection circular cone 12 positive camber inner face and carry out secondary refraction, so most light can outwards be projected by this planar portions 11; Only there is the light of few part can be, but can has influence on brightness of illumination and scope because of receiving not covering of this pedestal 2 by the backprojection of this planar portions.
For another example Fig. 5,6, shown in 7, for the structural representation of the utility model second embodiment, this second embodiment in the side view of X-Y plane and the ray tracing sketch map of this second embodiment.Shown in figure; The optical lens of this second embodiment is to have a lens body 4 equally; And two of this lens body 4 comprise a planar portions 41 and a projection circular cone 42 respectively; And this projection circular cone 42 is located at the bottom of this lens body 4, and these projection circular cone 42 centers have an accommodation chamber 421, and the positive camber of this projection circular cone 42 is made up of 422 of a plurality of surface points that concentric circles is provided with.Wherein, these surface points 422 have each point (2.10 on the X-Y coordinate plane; 0), (2.70,1.42), (3.34,2.37), (3.96; 3.35), (4.57,4.23) and (5.14,5.13); Form the cone-shaped structure body of downward and convergent according to this, and this accommodation chamber 421 has more a lens section 4211.Moreover, have a projective structure 411 on this planar portions 41 equally, and this projective structure 411 is to be arranged side by side by a plurality of hexagons refraction particles to form, and makes light produce the dizzy effect of diffusion of opening.In addition, this optical lens more can comprise a latch closure portion 43, and it is arranged at the periphery of this lens body 4.Shown in the 7th figure, these lens body 4 formed being somebody's turn to do of this second embodiment are throwed circular cones 42 for another example, and angle during its ray cast and scope are slightly dispersed compared to this first embodiment.
For another example Fig. 8,9, shown in 10, for the structural representation of the utility model the 3rd embodiment, the 3rd embodiment in the side view of X-Y plane and the ray tracing sketch map of the 3rd embodiment.Shown in figure; The optical lens of the 3rd embodiment is to have a lens body 5 equally; And two of this lens body 5 comprise a planar portions 51 and a projection circular cone 52 respectively; And this projection circular cone 52 is the bottom of being located at this lens body 5, and these projection circular cone 52 centers have an accommodation chamber 521, and the positive camber of this projection circular cone 52 is made up of 522 of a plurality of surface points that concentric circles is provided with.Wherein, these surface points 522 have each point (1.80,0), (2.49,1.35), (3.09,2.22), (3.70,3.07), (4.29,4.00) and (5.05,5.18), and this accommodation chamber 521 have more a lens section 5211 on the X-Y coordinate plane.Form the cone-shaped structure body of downward and convergent according to this.In addition, this optical lens more can comprise a latch closure portion 53, and it is arranged at the periphery of this lens body 5.Moreover, on this planar portions 51 this planar portions is handled through frosted, also have to make light produce the dizzy effect of diffusion of opening.Shown in the 10th figure, these lens body 5 formed projection circular cones 52 that are somebody's turn to do of the 3rd embodiment, angle during its ray cast and scope are slightly dispersed compared to this first embodiment.
For another example Figure 11,12, shown in 13, for the structural representation of the utility model the 4th embodiment, the 4th embodiment in the side view of X-Y plane and the ray tracing sketch map of the 4th embodiment.Shown in figure; The optical lens of the 4th embodiment has a lens body 6 equally; And two of this lens body 6 comprise a planar portions 61 and a projection circular cone 62 respectively; And this projection circular cone 62 is the bottom of being located at this lens body 6, and these projection circular cone 62 centers have an accommodation chamber 621, and the positive camber of this projection circular cone 62 is made up of 622 of a plurality of surface points that concentric circles is provided with.Wherein, these surface points 622 have each point (1.78,0), (2.40,0.69), (3.12,1.66), (3.58,2.38), (4.04,3.10), (4.65,4.15) and (5.25,5.20), shape according to this on the X-Y coordinate plane
Become downwards and the cone-shaped structure body of convergent.In addition, this optical lens more can comprise a latch closure portion 63, and it is arranged at the periphery of this lens body 6, and cording has a fixture block 631 in this latch closure portion 63.Moreover cording has a projective structure 611 on this planar portions 61, and this projective structure 611 is to be arranged side by side by concavo-convex vertical bar to form, and makes light produce the effect of rectangular diffusion.Shown in the 13rd figure, these lens body 6 formed projection circular cones 62 that are somebody's turn to do of the 4th embodiment, angle during its ray cast and scope are slightly dispersed compared to this first embodiment.
To sum up; Start because of each surface points among above-mentioned each embodiment 112,422,522,622 and different coordinates is arranged in the X-Y coordinate plane; And produce different positive cambers; When with after this LED light emitting source 3 combines, can make the refraction principle of light, and can change and adjust lighting angle, photometric distribution and the Illumination Distribution of this LED light emitting source 3 through secondary optics.And the design of these lens body 1,4,5,6 of these embodiment is with the equal proportion amplification or dwindles, also can reach identical purpose.
Claims (18)
1. the optical lens of a lighting has a lens body and after being mounted on a pedestal, combines with a LED light emitting source to form a lighting again, and this lens body system comprises: a planar portions, be located at the top of this lens body; Reach a projection circular cone, be located at the bottom of this lens body, the center cording of this projection circular cone has an accommodation chamber to place this LED light emitting source; The positive camber of this projection circular cone is made up of a plurality of surface points that concentric circles is provided with; It is characterized in that: the straight line on the opening surface in the opening center of circle through this accommodation chamber and the center line of this lens body form a datum level, and this straight line is an X axle, and this center line is a Y axle; D is that a unit coordinate is long, and this X axle and this Y axle intersection are the origin of coordinates; These surface points to this X, Y wheelbase from being more than or equal to zero and having a relative error p respectively, and-d/20≤p≤d/20.
2. the optical lens of lighting as claimed in claim 1, wherein, these surface points have each point (2.00,0), (2.82,0.82), (3.54,1.84), (4.03,2.63), (4.63,3.69) and (5.21,5.20) on the X-Y coordinate plane.
3. the optical lens of lighting as claimed in claim 2, wherein, the long d of this unit coordinate is 1mm, this relative error p is-0.05mm≤p≤0.05mm.
4. the optical lens of lighting as claimed in claim 3, wherein, this planar portions is provided with a perforate to position that should accommodation chamber, and in this perforate, inserts a printing opacity colloid.
5. the optical lens of lighting as claimed in claim 1, wherein, these surface points have each point (2.10,0), (2.70,1.42), (3.34,2.37), (3.96,3.35), (4.57,4.23) and (5.14,5.13) on the X-Y coordinate plane.
6. the optical lens of lighting as claimed in claim 5, wherein, the long d of this unit coordinate is 1mm, this relative error p is-0.05mm≤p≤0.05mm.
7. the optical lens of lighting as claimed in claim 6, wherein, this accommodation chamber has more a lens section.
8. the optical lens of lighting as claimed in claim 1, wherein, these surface points have each point (1.80,0), (2.49,1.35), (3.09,2.22), (3.70,3.07), (4.29,4.00) and (5.05,5.18) on the X-Y coordinate plane.
9. the optical lens of lighting as claimed in claim 8, wherein, the long d of this unit coordinate is 1mm, this relative error p is-0.05mm≤p≤0.05mm.
10. the optical lens of lighting as claimed in claim 9, wherein, this accommodation chamber has more a lens section.
11. the optical lens of lighting as claimed in claim 1, wherein, these surface points have each point (1.78 on the X-Y coordinate plane; 0), (2.40,0.69), (3.12,1.66), (3.58,2.38), (4.04; 3.10), (4.65,4.15) and (5.25,5.20).
12. the optical lens of lighting as claimed in claim 11, wherein, the long d of this unit coordinate is 1mm, and this relative error p is-0.05mm≤p≤0.05mm.
13. the optical lens like each described lighting of claim 1～12 more comprises: a latch closure portion, be arranged at the periphery of this lens body, be provided with being fixed each other with respect to this pedestal.
14. the optical lens of lighting as claimed in claim 1, wherein, this planar portions has more a refraction structure.
15. the optical lens of lighting as claimed in claim 14, wherein, this refraction structure is to be arranged side by side by concavo-convex vertical bar to form, and makes light produce the effect of rectangular diffusion.
16. the optical lens of lighting as claimed in claim 14, wherein, this refraction structure is to be arranged side by side by a plurality of hexagon refraction particles to form, and makes light produce the dizzy effect of diffusion of opening.
17. like the optical lens of the 1st described lighting of claim, wherein, this planar portions is to handle through frosted, and makes light produce the dizzy effect of diffusion of opening.
18. pedestal that adopts the optical lens of the described lighting of claim 1; It comprises: a ring barricade; Be located at the periphery of this pedestal, and on this ring barricade and have a plurality of clamping parts and detain and establish this lens body, this projection circular cone is to be coated on this base interior; One light hole is located on this pedestal and is located at position that should the LED light emitting source; A pair of fixing hole is located at two sides of this light hole respectively; And a pair of louvre, be located at two sides of this light hole and vertical each other respectively with the position of these fixing holes, the opening of these louvres is to extend to this ring barricade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203635751U CN202371632U (en) | 2011-09-23 | 2011-09-23 | Optical lens of illuminating lamp and base adopting same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203635751U CN202371632U (en) | 2011-09-23 | 2011-09-23 | Optical lens of illuminating lamp and base adopting same |
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| CN202371632U true CN202371632U (en) | 2012-08-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011203635751U Expired - Fee Related CN202371632U (en) | 2011-09-23 | 2011-09-23 | Optical lens of illuminating lamp and base adopting same |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277712A (en) * | 2013-05-14 | 2013-09-04 | 周玉龙 | High-lighting-effect wall washing lamp with lens |
| CN103836536A (en) * | 2012-12-19 | 2014-06-04 | 东莞雷笛克光学有限公司 | Telescopic lens |
| WO2015196671A1 (en) * | 2014-06-26 | 2015-12-30 | 欧普照明股份有限公司 | Lighting and optical module thereof |
| CN105953179A (en) * | 2016-06-28 | 2016-09-21 | 欧普照明股份有限公司 | Optical element, light source module and lighting equipment |
| US10794570B2 (en) | 2016-06-28 | 2020-10-06 | Opple Lighting Co., Ltd. | Optical element, light source module and lighting device |
-
2011
- 2011-09-23 CN CN2011203635751U patent/CN202371632U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103836536A (en) * | 2012-12-19 | 2014-06-04 | 东莞雷笛克光学有限公司 | Telescopic lens |
| CN103277712A (en) * | 2013-05-14 | 2013-09-04 | 周玉龙 | High-lighting-effect wall washing lamp with lens |
| CN103277712B (en) * | 2013-05-14 | 2015-12-02 | 周玉龙 | A kind of specular removal wall lamp with lens |
| WO2015196671A1 (en) * | 2014-06-26 | 2015-12-30 | 欧普照明股份有限公司 | Lighting and optical module thereof |
| CN105222097A (en) * | 2014-06-26 | 2016-01-06 | 欧普照明股份有限公司 | A kind of light fixture and optics module thereof |
| CN105953179A (en) * | 2016-06-28 | 2016-09-21 | 欧普照明股份有限公司 | Optical element, light source module and lighting equipment |
| WO2018000972A1 (en) * | 2016-06-28 | 2018-01-04 | 欧普照明股份有限公司 | Optical component, light source module and lighting apparatus |
| US10794570B2 (en) | 2016-06-28 | 2020-10-06 | Opple Lighting Co., Ltd. | Optical element, light source module and lighting device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: Hengli Town Tian Keng Industrial Zone 523478 in Guangdong city of Dongguan province No. 5 Patentee after: Dongguan Ledlink Optics, Inc. Address before: 523000 Guangdong province Dongguan City Hengli Town Xicheng Industrial District building B13 Patentee before: Dongguan Ledlink Optics, Inc. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120808 Termination date: 20150923 |
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| EXPY | Termination of patent right or utility model |