CN202791546U - Light-emitting diode (LED) tube with built-in lens structure - Google Patents
Light-emitting diode (LED) tube with built-in lens structure Download PDFInfo
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- CN202791546U CN202791546U CN2012205148849U CN201220514884U CN202791546U CN 202791546 U CN202791546 U CN 202791546U CN 2012205148849 U CN2012205148849 U CN 2012205148849U CN 201220514884 U CN201220514884 U CN 201220514884U CN 202791546 U CN202791546 U CN 202791546U
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- fluorescent tube
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- 239000000758 substrate Substances 0.000 claims abstract description 39
- 239000000843 powder Substances 0.000 claims abstract description 31
- 230000015572 biosynthetic process Effects 0.000 claims description 10
- 239000011521 glass Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 229920002379 silicone rubber Polymers 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 3
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 3
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 4
- 239000012528 membrane Substances 0.000 abstract 3
- 238000012423 maintenance Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 230000000630 rising effect Effects 0.000 description 5
- 238000009413 insulation Methods 0.000 description 4
- 238000005728 strengthening Methods 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 230000032683 aging Effects 0.000 description 3
- 239000000741 silica gel Substances 0.000 description 3
- 229910002027 silica gel Inorganic materials 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001795 light effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
Images
Abstract
The utility model discloses an LED tube with a built-in lens structure. The LED tube comprises an LED chip (2) and a substrate (3). The LED chip (2) is packaged in a lamp housing (1) and arranged on the substrate (3). The LED tube further comprises luminescent membranes (5) with luminescent powder arranged inside, and the luminescent membranes (5) are packaged in the lamp housing (1) and arranged along the periphery of a luminescent face of the LED chip (2). According to the LED tube with the built-in lens structure, the structure is simple, problems of aperture and faculae occurring to down lamps can be solved effectively, and a good light emitting effect is further provided. Structures of the luminescent membranes, support lenses and the like can be changed and assembled, the usage is convenient, the maintenance is facilitated, and the production cost is reduced effectively.
Description
Technical field
The utility model relates to the LED lighting field, specifically, is the LED fluorescent tube of built-in lens arrangement.
Background technology
The LED(light emitting diode) device is as a kind of novel solid light source, have not only that power consumption is low, volume is little, fast response time, long working life, be easy to the advantages such as light modulation toning, energy-conserving and environment-protective, and also greatly surmounting the conventional light source such as incandescent lamp, fluorescent lamp aspect production, manufacturing, the application.Be widely used in the multiple lighting fields such as street lighting, Landscape Lighting, large screen display, traffic lights, room lighting at present.The LED fluorescent tube of main flow mainly is to excite Yellow luminous powder and get with blue light, traditional handicraft be will Yellow luminous powder and silica gel be coated on the blue chip after mixing, through heating silica gel is solidified, namely can be made into the LED fluorescent tube.In its application process, because the factors such as fever phenomenon, manufacture craft restriction, impact luminous efficiency, glow color and the service life to the LED fluorescent tube toward the contact meeting, as: luminescent powder wears out because of the heat that chip light emitting produces, cause its luminous efficiency to descend, in addition, the chromaticity coordinates of luminescent powder also can be offset because of the rising of operating ambient temperature, final impact.
In order to solve the problem that luminescent powder easily wears out in traditional LED fluorescent tube, people have attempted in LED fluorescent tube manufacturing process luminescent powder and chip being divided and have been arranged.LED fluorescent tube in the existing technique, although luminescent powder and chip are separated, slowed down the aging speed of luminescent powder, but, because the limitation of led chip rising angle, the rising angle of the LED fluorescent tube that makes thus is less, and light distribution is inhomogeneous, namely in the situation of chip sustained height, centered by the chip dead ahead, distance center nearby light intensity is the strongest, along with the increase light intensity of distance dies down gradually, and in prior art, the product that does not all occur addressing the above problem simultaneously appears on the market.
The utility model content
The purpose of this utility model is to provide the LED fluorescent tube of built-in lens arrangement, luminescent film is positioned at the periphery of led chip, can effectively avoid temperature on the impact of luminescent film, improve the luminosity of fluorescent tube, in the structure of luminescent film, also be provided with luminescent powder, can solve the problems such as aperture that fluorescent tube occurs and hot spot, have the advantages such as simple in structure, practical.
The utility model is achieved through the following technical solutions: the LED fluorescent tube of built-in lens arrangement, comprise the led chip and the substrate that are packaged in the lamp housing, described led chip is arranged on the substrate, in also comprising, the utility model is provided with the luminescent film of luminescent powder, described luminescent film is packaged in the lamp housing, and along the periphery of led chip light-emitting area and arrange, can not only improve the light efficiency of fluorescent tube, can also solve the problems such as aperture that fluorescent tube occurs and hot spot, can be applicable to any utilization in the luminous illuminating device of led chip, the scope of application is wide.
For better realizing the utility model, in described lamp housing, also be packaged with support of lens, support of lens is hemispherical structure, described luminescent film then for the outer surface along support of lens arrange identical shaped, described support of lens is fixed in a side of substrate, described led chip then is positioned at the cavity of support of lens and substrate formation, in its structure, support of lens also has good effect of heat insulation, further reduced the temperature of luminescent film, improve the brightness of luminescent powder, and then improved the luminosity of fluorescent tube.
The utlity model has four kinds of situations:
(1) quantity of described luminescent film and support of lens is respectively one.
(2) because the quantity of luminescent film only is one, therefore, for strengthening the light efficiency of fluorescent tube, on the basis of (1), also can on described substrate, also be provided with reflector layer, described reflector layer is positioned at the cavity of support of lens and substrate formation.
(3) quantity of described luminescent film and support of lens is respectively two, described each luminescent film and support of lens all form hemispherical structure, and set gradually from inside to outside, be provided with cavity between the two halves chondritic, described led chip then is located at the cavity that the hemispherical structure that is positioned at internal layer and substrate form.
For further reducing aperture and the hot spot problem of fluorescent tube, on described substrate, also be provided with outer support of lens, described two halves chondritic all is positioned at the cavity of outer support of lens and substrate formation.
Be better to realize said structure, the quantity of described outer support of lens is more than two, and sets gradually from inside to outside, between every adjacent two outer support of lens, outer support of lens and be equipped with cavity between outer field hemispherical structure.
The utility model also is packaged with outer luminescent film in described lamp housing, described outer luminescent film is along the outer surface of outer support of lens and arrange.
The quantity of described outer luminescent film is more than one, also is provided with luminescent powder in described outer luminescent film.
(4) same, for strengthening light efficiency, the utility model also can be provided with reflector layer at described substrate on the basis of (3), and described reflector layer is located at and is positioned at the cavity that internal layer is starved hemispherical structure and substrate formation.
For adapting to the structure of fluorescent tube, the quantity of described led chip is more than one and forms the strip-shaped light-emitting structure that is horizontally set in the lamp housing.
Lamp housing described in the utility model is tubular structure, is provided with luminous lens in the actual fabrication process at the lamp housing of corresponding led chip light-emitting area one side, is equipped with the structures such as luminescent film, support of lens in the periphery of each led chip.
In the actual fabrication process, the soft light-transmission structure of described luminescent film for being made by silicon rubber, described support of lens then are or/and the hard translucent construction that the PC material is made by glass, PMMA.
The utility model compared with prior art has the following advantages and beneficial effect:
(1) the utility model is provided with luminescent powder in luminescent film, and luminescent powder scatters evenly, can effectively avoid Down lamp the problem of aperture and hot spot to occur.
(2) support of lens described in the utility model has the uniform characteristics of heat radiation, can make the uniform distribution of temperature field at luminescent powder place in the luminescent film, avoids long-term and uses rear Down lamp the problem of aperture and hot spot to occur.
(3) the utility model uses support of lens also to have heat insulation effect, can reduce the temperature at luminescent powder place, has improved the brightness of luminescent powder, and then has improved the luminosity of fluorescent tube.
(4) the utility model is reasonable in design, utilizes the modes such as heat insulation, heat radiation effectively to slow down the aging damped cycle of luminescent powder, and then has prolonged the service life of whole fluorescent tube.
(5) of the present utility model simple in structure, assembling, dismounting are all very convenient, no matter are that the structures such as luminescent film, support of lens, led chip or outer luminescent film are all replaceable, so that safeguard, luminescent powder is also recyclable, has reduced production cost.
(6) the utility model is mainly used in lamp tube structure, the led chip that is packaged in the fluorescent tube forms the strip light-emitting section, can make the light efficiency of whole fluorescent tube distribute more even, manufacturing process is simple, the structures such as support of lens, luminescent film can be made in batches be list structure, before the encapsulation again correspondence be arranged on the led chip and get final product.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of the utility model support of lens quantity when being one.
Fig. 3 is provided with the structural representation of reflector layer on Fig. 2 basis.
Fig. 4 is the structural representation of the utility model support of lens quantity when being two.
Fig. 5 is the structural representation of the quantity of the utility model Multi-layer supporting lens when being one.
Fig. 6 is for being provided with the structural representation of reflector layer on Fig. 6 basis.
Fig. 7 is the structural representation of the quantity of the utility model Multi-layer supporting lens when being two.
Wherein, 1-lamp housing, 2-led chip, 3-substrate, 4-luminescent powder, 5-luminescent film, 6-support of lens, 7-luminescent layer, 8-outer support of lens, 9-outer luminescent film, 10-luminous lens.
The specific embodiment
Below in conjunction with embodiment the utility model is described in further detail, but embodiment of the present utility model is not limited to this.
Embodiment 1:
In order to solve the problem that luminescent powder easily wears out in traditional LED fluorescent tube, people are through multiple trial, as: luminescent powder and chip are separated, to slow down the aging speed of luminescent powder, but, because the limitation of chip light-emitting angle, the LED fluorescent tube that makes thus exists rising angle less toward contact, the defectives such as light distribution is inhomogeneous, present embodiment proposes the LED fluorescent tube of built-in lens arrangement, as shown in Figure 1, it comprises led chip 2 and the substrate 3 that is packaged in the lamp housing 1, and led chip 2 is arranged on the substrate 3, as shown in Figure 2, be provided with the luminescent film 5 of luminescent powder 4 in also comprising, luminescent film 5 is packaged in the lamp housing 1 equally, and along the periphery of led chip 2 light-emitting areas and arrange, luminescent powder 4 evenly is arranged in the luminescent film 5, can not only improve the light efficiency of fluorescent tube, can also solve the problems such as aperture that fluorescent tube occurs and hot spot, can be applicable to any utilization in the luminous illuminating device of led chip 2, the scope of application is wide.
Be the better fixedly position of luminescent film 5, in lamp housing 1, also be packaged with support of lens 6, as shown in Figure 1, support of lens 6 is hemispherical structure, 5 of luminescent film for the outer surface along support of lens 6 arrange identical shaped, support of lens 6 is fixed in a side of substrate 3,2 of led chips are positioned at the cavity of support of lens 6 and substrate 3 formation, by said structure, can not only solve the rising angle of led chip 2, can also solve fluorescent tube and the phenomenons such as aperture and hot spot occur.In the actual fabrication process, luminescent film 5 is the soft light-transmission structure, can adopt silicon rubber to be made, support of lens 6 is the hard translucent construction, it can be well the fixing structure of luminescent film 5, can adopt glass, PMMA or/and the PC material is made, in its structure, support of lens 6 also has good effect of heat insulation, has further reduced the temperature of luminescent film 5, improve the brightness of luminescent powder 4, and then improved the luminosity of fluorescent tube.
Led chip 2 is the main ray structure of fluorescent tube, for the present embodiment, its overall structure is as follows: as shown in Figure 1, lamp housing 1 is tubular structure, in the actual fabrication process, for adapting to the structure of fluorescent tube, the quantity of led chip 2 is more than one and forms the strip-shaped light-emitting structure that is horizontally set in the lamp housing 1, lamp housing 1 in corresponding led chip 2 light-emitting areas one side is provided with luminous lens 10, the structures such as above-mentioned luminescent film 5, support of lens 6 then are located at the periphery of led chip 2, and by as shown in Figure 1 structure setting.
Take structure shown in Figure 3 as example, its concrete making step is as follows:
(1) make support of lens 6: adopt the aluminium base of 5.5cm * 5.5cm size, radius of curvature is that 6cm weight is the toroidal lens of the glass material of 10g, as support of lens 6, support of lens 6 is connected to form list structure;
(2) make luminescent film 5: with 0.80g luminescent powder 4,1.20g medium particle diameter be 15um glass microballoon, 2.00g silicon rubber, be mixed together, used the masticator pugging mullering 30 minutes, use film laminator 150 ℃ of lower constant temperature 5 minutes, the mixture that stirs is pressed into the shape of above-mentioned support of lens 6, make luminescent film 5, in the outside of each support of lens 6 parcel luminescent film 5;
(3) led chip 2 is set: form the thick Al2O3 reflector layer 7 of 0.5mm at substrate 3, the led chip 2 of 3.5 * 2.8mm size is fixed on the center of substrate 3 with silica gel, form support of lens 6 and luminescent film 5 to such an extent that list structure is covered on the led chip 2, make luminescent film 5 corresponding one by one with led chip 2, substrate 3 is fixed in the lamp housing 1, wherein, the corresponding lamp housing of led chip 2 light-emitting areas 1 position is luminous lens 10.
Embodiment 2:
Present embodiment is from the difference of embodiment 1: luminescent film 5 is different with the quantity of support of lens 6, in the present embodiment, luminescent film 5 is respectively two with the quantity of support of lens 6, same, the shape that luminescent film 5, support of lens 6 closely are connected to form also is hemispherical structure, its structure is as follows: comprise the two-layer hemispherical structure that sets gradually from inside to outside, between two-layer hemispherical structure, be provided with cavity, as shown in Figure 4, led chip 2 is located at the cavity that the hemispherical structure that is positioned at internal layer and substrate 3 form.
For further reducing aperture and the hot spot problem of fluorescent tube, on substrate 3, also be provided with outer support of lens 8, as shown in Figure 5, the two halves chondritic all is positioned at the cavity of outer support of lens 8 and substrate 3 formation.
For better realizing said structure, the quantity of outer support of lens 8 can be set to more than two, and set gradually from inside to outside, between every adjacent two outer support of lens 8, outer support of lens 8 and between outer field hemispherical structure, be equipped with cavity, its structure can be shown in Figure 7, and Fig. 7 is the structural representation of outer support of lens 8 when being two.
Such as Fig. 5, shown in Figure 6, in lamp housing 1, also be packaged with outer luminescent film 9, outer luminescent film 9 arranges along the outer surface of outer support of lens 8, its quantity is more than one, certainly, in the structure of outer luminescent film 9, be provided with luminescent powder 4 in equally also, namely such as Fig. 5, shown in Figure 6, and in Fig. 5, Fig. 6, the quantity of outer luminescent film 9 is one.
Same, for strengthening light efficiency, on the basis of said structure, present embodiment also can also be provided with reflector layer 7 on substrate 3, as shown in Figure 6, Fig. 6 is for being provided with reflector layer 7 on the basis of structure shown in Figure 5, and reflector layer 7 is located at the cavity of the hemispherical structure that is positioned at internal layer and substrate 3 formation.
The utility model is simple in structure, in use, can effectively avoid Down lamp the problem of aperture and hot spot to occur, also has the fabulous light effect that goes out, all replaceable assemblings of structure such as described luminescent film 5, support of lens 6, use very conveniently, so that safeguard, effectively reduce its production cost.
The above; it only is preferred embodiment of the present utility model; be not that the utility model is done any pro forma restriction, every foundation technical spirit of the present utility model all falls within the protection domain of the present utility model any simple modification, equivalent variations that above embodiment does.
Claims (13)
1. the LED fluorescent tube of built-in lens arrangement, comprise the led chip (2) and the substrate (3) that are packaged in the lamp housing (1), described led chip (2) is arranged on the substrate (3), it is characterized in that: the luminescent film (5) that is provided with luminescent powder (4) in also comprising, described luminescent film (5) is packaged in the lamp housing (1), and along the periphery of led chip (2) light-emitting area and arrange.
2. the LED fluorescent tube of built-in lens arrangement according to claim 1, it is characterized in that: in described lamp housing (1), also be packaged with support of lens (6), support of lens (6) is hemispherical structure, described luminescent film (5) then for the outer surface along support of lens (6) arrange identical shaped, described support of lens (6) is fixed in a side of substrate (3), and described led chip (2) then is positioned at the cavity of support of lens (6) and substrate (3) formation.
3. the LED fluorescent tube of built-in lens arrangement according to claim 2 is characterized in that: described luminescent film (5) is respectively one with the quantity of support of lens (6).
4. the LED fluorescent tube of built-in lens arrangement according to claim 3 is characterized in that: also be provided with reflector layer (7) on described substrate (3), described reflector layer (7) is positioned at the cavity that support of lens (6) and substrate (3) form.
5. the LED fluorescent tube of built-in lens arrangement according to claim 2, it is characterized in that: described luminescent film (5) is respectively two with the quantity of support of lens (6), described each luminescent film (5) all forms hemispherical structure with support of lens (6), and set gradually from inside to outside, be provided with cavity between the two halves chondritic, described led chip (2) then is located at the cavity that the hemispherical structure that is positioned at internal layer and substrate (3) form.
6. the LED fluorescent tube of built-in lens arrangement according to claim 5, it is characterized in that: also be provided with outer support of lens (8) on described substrate (3), described two halves chondritic all is positioned at the cavity of outer support of lens (8) and substrate (3) formation.
7. the LED fluorescent tube of built-in lens arrangement according to claim 6 is characterized in that: also be packaged with outer luminescent film (9) in described lamp housing (1), described outer luminescent film (9) is along the outer surface of outer support of lens (8) and arrange.
8. the LED fluorescent tube of built-in lens arrangement according to claim 7, it is characterized in that: the quantity of described outer luminescent film (9) is more than one, also is provided with luminescent powder (4) in described outer luminescent film (9).
9. the LED fluorescent tube of built-in lens arrangement according to claim 8, it is characterized in that: the quantity of described outer support of lens (8) is more than two, and set gradually from inside to outside, between every adjacent two outer support of lens (8), outer support of lens (8) and between outer field hemispherical structure, be equipped with cavity.
10. the LED fluorescent tube of built-in lens arrangement according to claim 9 is characterized in that: also be provided with reflector layer (7) on described substrate (3), described reflector layer (7) is located at the cavity that the hemispherical structure that is positioned at internal layer and substrate (3) form.
11. according to claim 3, the LED fluorescent tube of 4,9 or 10 each described built-in lens arrangements, it is characterized in that: the quantity of described led chip (2) is more than one, and forms the strip-shaped light-emitting structure that is horizontally set in the lamp housing (1).
12. the LED fluorescent tube of built-in lens arrangement according to claim 11 is characterized in that: described lamp housing (1) is tubular structure, is provided with luminous lens (10) at the lamp housing (1) of corresponding led chip (2) light-emitting area one side.
13. the LED fluorescent tube of built-in lens arrangement according to claim 12, it is characterized in that: the soft light-transmission structure of described luminescent film (5) for being made by silicon rubber, described support of lens (6) then are or/and the hard translucent construction that the PC material is made by glass, PMMA.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205148849U CN202791546U (en) | 2012-09-29 | 2012-09-29 | Light-emitting diode (LED) tube with built-in lens structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205148849U CN202791546U (en) | 2012-09-29 | 2012-09-29 | Light-emitting diode (LED) tube with built-in lens structure |
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| Publication Number | Publication Date |
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| CN202791546U true CN202791546U (en) | 2013-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012205148849U Expired - Lifetime CN202791546U (en) | 2012-09-29 | 2012-09-29 | Light-emitting diode (LED) tube with built-in lens structure |
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| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103388798A (en) * | 2013-07-25 | 2013-11-13 | 江苏昌泽电子有限公司 | Double-layer diffuse reflection LED (light-emitting diode) fluorescent lamp |
| CN103972221A (en) * | 2014-06-03 | 2014-08-06 | 宁波升谱光电半导体有限公司 | LED (light-emitting diode) light source packaging structure and method |
| CN110506182A (en) * | 2017-04-12 | 2019-11-26 | 昕诺飞控股有限公司 | Lighting apparatus, luminaire and manufacturing method |
-
2012
- 2012-09-29 CN CN2012205148849U patent/CN202791546U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103388798A (en) * | 2013-07-25 | 2013-11-13 | 江苏昌泽电子有限公司 | Double-layer diffuse reflection LED (light-emitting diode) fluorescent lamp |
| CN103972221A (en) * | 2014-06-03 | 2014-08-06 | 宁波升谱光电半导体有限公司 | LED (light-emitting diode) light source packaging structure and method |
| CN110506182A (en) * | 2017-04-12 | 2019-11-26 | 昕诺飞控股有限公司 | Lighting apparatus, luminaire and manufacturing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Light-emitting diode (LED) tube with built-in lens structure Effective date of registration: 20140930 Granted publication date: 20130313 Pledgee: The Agricultural Bank of Chengdu branch of Limited by Share Ltd. Chinese Sichuan Pledgor: SICHUAN SUNFOR LIGHT Co.,Ltd. Registration number: 2014510000025 |
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| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20150401 Granted publication date: 20130313 Pledgee: The Agricultural Bank of Chengdu branch of Limited by Share Ltd. Chinese Sichuan Pledgor: SICHUAN SUNFOR LIGHT Co.,Ltd. Registration number: 2014510000025 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Light-emitting diode (LED) tube with built-in lens structure Effective date of registration: 20150403 Granted publication date: 20130313 Pledgee: The Agricultural Bank of Chengdu branch of Limited by Share Ltd. Chinese Sichuan Pledgor: SICHUAN SUNFOR LIGHT Co.,Ltd. Registration number: 2015510000012 |
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| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20170814 Granted publication date: 20130313 Pledgee: The Agricultural Bank of Chengdu branch of Limited by Share Ltd. Chinese Sichuan Pledgor: SICHUAN SUNFOR LIGHT Co.,Ltd. Registration number: 2015510000012 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Light-emitting diode (LED) tube with built-in lens structure Effective date of registration: 20180206 Granted publication date: 20130313 Pledgee: SICHUAN ENERGY INDUSTRY INVESTMENT GROUP CO.,LTD. Pledgor: SICHUAN SUNFOR LIGHT Co.,Ltd. Registration number: 2018510000013 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20190402 Granted publication date: 20130313 Pledgee: SICHUAN ENERGY INDUSTRY INVESTMENT GROUP CO.,LTD. Pledgor: SICHUAN SUNFOR LIGHT Co.,Ltd. Registration number: 2018510000013 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Light-emitting diode (LED) tube with built-in lens structure Effective date of registration: 20190408 Granted publication date: 20130313 Pledgee: SICHUAN ENERGY INDUSTRY INVESTMENT GROUP CO.,LTD. Pledgor: SICHUAN SUNFOR LIGHT Co.,Ltd. Registration number: 2019510000043 |
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