CN202733549U - Screw-in type light-emitting diode (LED) module tube lamp - Google Patents
Screw-in type light-emitting diode (LED) module tube lamp Download PDFInfo
- Publication number
- CN202733549U CN202733549U CN2012203748985U CN201220374898U CN202733549U CN 202733549 U CN202733549 U CN 202733549U CN 2012203748985 U CN2012203748985 U CN 2012203748985U CN 201220374898 U CN201220374898 U CN 201220374898U CN 202733549 U CN202733549 U CN 202733549U
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- light source
- bonnet
- led light
- screw
- led
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
The utility model discloses a screw-in type light-emitting diode (LED) module tube lamp which comprises a tube body which forms a tube lamp body. An LED light source module is arranged inside the tube body and is connected with the power source. The tube body is composed of a back cover (1) and a front cover and is of a closed structure provided with a cavity. The LED light source module is arranged on the back cover (1). The screw-in type LED module tube lamp not only can overcome defects of poor heat dissipation and complex technology of the existing tube lamp, but also can work for a long time in low cost. The screw-in type LED module tube lamp has the advantages of being flexible to install, convenient to maintain and simple in structure.
Description
Technical field
The utility model relates to ligthing paraphernalia, specifically, is a kind of screw-in led module Down lamp.
Background technology
Down lamp is as hidden the putting property light fixture that is installed on bedroom, parlor, the toilet periphery ceiling, often be flush-mounted in the inside of ceiling, the light of Down lamp throws downwards, belong to direct luminous intensity distribution, in traditional design, different reflector, eyeglass, shutter or the bulbs of normal employing obtained different light effects.Because Down lamp does not take up space, and can also build the soft atmosphere in space, therefore, as an indispensable part in the indoor design.For Lighting Design, the selection of light fixture not only will be satisfied use function and lighting quality, also should make things convenient for the long-time running of installation and maintenance and low expense, and in the prior art, the subject matter of Down lamp then appears on the light source, such as Down lamp on sale on the existing market, fluorescent lamp or the electricity-saving lamps of adopting as light source more, in its long-term use procedure, because fluorescent lamp, also there is defective in the packing forms of the light sources such as electricity-saving lamp, as: radiating effect is poor, complex process, therefore the universal situation such as relatively poor, the distortion of socket often occurs, bulb is twisted and is not got off to wait the situation that shortens its service life.For overcoming defects, the utility model arises at the historic moment.
The utility model content
The purpose of this utility model is to provide a kind of screw-in led module Down lamp, it is by being located at the led light source module in the stack shell, can overcome the defectives such as weak heat-dissipating that existing Down lamp occurs, complex process, not only can realize the long-time running of low expense, also have flexible for installation, easy to maintenance, advantages of simple structure and simple.
The utility model is achieved through the following technical solutions: a kind of screw-in led module Down lamp, comprise the stack shell that forms the Down lamp body, the defective that exists for overcoming existing Down lamp, the utility model is provided with the led light source module in described stack shell, described led light source module is connected with power supply, the defectives such as weak heat-dissipating, the encapsulating material that the led light source module can not only overcome existing led light source existence easily wears out, the life-span is short, can also realize the long-time running of stable and low expense, more meet the ideas of energy-saving of Modern interior Design.
Syndeton of the present utility model is simple, the enclosed construction with cavity of described stack shell for being formed by bonnet and protecgulum, and described led light source module then is located on the bonnet.
The structure of led light source module is as follows: described led light source module mainly is comprised of pedestal and the led light source group that is connected with pedestal, described pedestal is column structure, comprise the anodal battery core that is column construction and be wrapped in successively anodal battery core outer insulating sheath, negative pole conducting ring, ring-type negative electrode and base seat support, also be provided with anodal electric sheet in described anodal battery core bottom, described led light source group then is located on the top end face of anodal battery core, also is respectively equipped with the wire that links to each other with power supply on described ring-type negative electrode and anodal electric sheet.In manufacturing process, anodal battery core, negative pole conducting ring, ring-type negative electrode and sheet positive electrode can adopt metallic conductor to be made; Described insulating sheath then can adopt the insulating materials such as heat-conducting plastic or pottery to be made.And in said structure, the design of cylindrical surface provides good support then for the radiating treatment of led light source module.
The led light source module can realize and being connected of bonnet by base seat support, the bottom of described base seat support be extend internally and with the loop configuration of the electric sheet phase of positive pole clamping, on described loop configuration, also be provided with the installing hole that is fixed on the bonnet, the use of installing hole has guaranteed the accurate location of pedestal, in actual use, can be by the fixing whole led light source module of the mode of bolt or other mechanical connection.
Led light source group described in the utility model comprises circuit substrate and is located at illuminator, anode connection terminal, negative pole link on the circuit substrate that described anode connection terminal is connected with anodal battery core; Described negative pole link then is connected with the negative pole conducting ring.
Hidden the putting property light fixture that Down lamp Chang Zuowei is installed on bedroom, parlor, the toilet periphery ceiling uses, should be flush-mounted in the inside of ceiling, its light is projection downwards then, often it is stood upside down in use and install, the concrete structure of stack shell is as follows: described bonnet is concave structure, described protecgulum is then for being located at the platy structure outside the bonnet port, described led light source module is located on the end face of bonnet bottom, also be provided with insulation spacer and reflector in described cavity, described insulation spacer is located between led light source module and the bonnet; Described reflector is then for being located at tubular structure between led light source module and the bonnet port, and the two-port of described reflector is respectively along the outside of negative pole conducting ring and the inwall of bonnet and arranging.In its structure, being designed with of insulation spacer helps increase and is electrically connected and the reliability of the mild transition of thermo-contact, guarantees the operation that the led light source module is safe, stable; The use of reflector can make light-ray condensing that led light source sends in specific zone, makes light have better cohesiveness.
For better realizing the utility model, also be provided with the wire casing of placing wire and the through wires hole that is communicated with wire casing at the end face that is positioned at the bonnet bottom, described wire is connected with power supply by through wires hole.
The outside in described corresponding bonnet bottom also is provided with interconnective led driver power supply and terminals, and described wire is connected on the led driver power supply, and described terminals then are connected with power supply.
Protecgulum described in the utility model comprises the diffuser plate of being located at the center and the front shroud that is positioned at the diffuser plate outer ring, the shape of described diffuser plate is identical with the port shape of bonnet, the use of diffuser plate then can make distribution of light more even, has the effect of strengthening light effects.
The utility model also is provided with the spring support that the Down lamp body is installed on described bonnet.
The utility model compared with prior art has the following advantages and beneficial effect:
(1) the utility model adopts the led light source module as illuminating source, than baroque monoblock type light fixture or light source module on the existing market, have the advantages such as good heat dissipation effect, technique are simple, stable, long service life, more meet the ideas of energy-saving of Modern interior Design.
(2) syndeton of led light source module described in the utility model and stack shell is simple, wherein, the insulation spacer of being located between led light source module and the bonnet is to be made by the good insulating materials of heat transfer property, this special being designed with helps increase the reliability of electrical connection and the mild transition of thermo-contact, guarantees the operation that the led light source module is safe, stable.
(3) the utility model also is provided with the structures such as reflector, diffuser plate, and the use of reflector can make light-ray condensing that led light source sends in specific zone, makes light have better cohesiveness; The use of diffuser plate then can make distribution of light more even, has the effect of strengthening light effects.
(4) led light source module described in the utility model is comprised of led light source group and pedestal, by the structure of pedestal as can be known, in course of normal operation, the heat diffusion that the led light source group produces light source by positive electrode, insulating sheath, negative pole conducting ring, ring-type negative electrode and base seat support on the one hand out; On the other hand, the heat that its work produces also can be directly delivered to heat on the bonnet by insulation spacer, and large-area area of dissipation has prolonged the life-span of lamp light source module.
(5) in actual application of the present utility model, can be according to the quantity of client to the increase in demand of luminous flux or minimizing led light source module, and ought operational blocks which partition system wherein occur in the situation of damage, can also keep in repair single module, install simple, be convenient to safeguard, be fit to extensively promote the use of.
Description of drawings
Fig. 1 is cutaway view of the present utility model.
Fig. 2 is the cutaway view of the utility model led light source module.
Fig. 3 is the structural representation of the utility model led light source module.
Fig. 4 is the cutaway view of the utility model stack shell.
1-bonnet wherein, 2-anodal battery core, 3-insulating sheath, 4-negative pole conducting ring, 5-ring-type negative electrode, 6-base seat support, 7-anodal electric sheet, 8-wire, 9-installing hole, 10-circuit substrate, 11-illuminator, 12-anode connection terminal, 13-negative pole link, 14-insulation spacer, 15-reflector, 16-wire casing, 17-through wires hole, 18-led driver power supply, 19-terminals, 20-diffuser plate, 21-front shroud, 22-spring support.
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:
With regard to the selection of lighting, not only to satisfy normal illumination functions, also should satisfy easy for installation, safeguard simple, the condition such as energy-conservation, and for Down lamp commonly used in the indoor design, nowadays product on sale on the market, often have following shortcoming: radiating effect is poor, encapsulating material is easily aging, life-span is short etc., therefore, for overcoming defects, the utility model proposes a kind of screw-in led module Down lamp, its structure comprises the stack shell that forms the Down lamp body as shown in Figure 1, is provided with the led light source module that links to each other with power supply in stack shell, led light source is by behind the modularized light source, can not only overcome the weak heat-dissipating that existing led light source exists, encapsulating material is easily aging, the defectives such as the life-span is short can also realize the long-time running of stable and low expense, have more met the ideas of energy-saving of Modern interior Design.Syndeton of the present utility model is comparatively simple, the enclosed construction with cavity of stack shell for being formed by bonnet 1 and protecgulum, and the led light source module then is located on the bonnet 1, the user's that is more convenient for voluntarily installation and maintenance.
Such as Fig. 2, shown in Figure 3, the structure of led light source module is as follows: mainly be comprised of the pedestal of column structure and the led light source group that is connected with pedestal, Fig. 3 is the structural representation of led light source module, as shown in Figure 3, pedestal comprises the anodal battery core 2 that is column construction and is wrapped in successively anodal battery core 2 insulating sheath 3 outward, negative pole conducting ring 4, ring-type negative electrode 5 and base seat support 6, be provided with anodal electric sheet 7 in anodal battery core 2 bottoms, the led light source group then is located on the top end face of anodal battery core 2, for making the normal operation of led light source group, on ring-type negative electrode 5 and anodal electric sheet 7, also be respectively equipped with the wire 8 that links to each other with power supply, when wire 8 and power connection, the led light source group can be luminous.In manufacturing process, anodal battery core 2, negative pole conducting ring 4, ring-type negative electrode 5 and anodal electric sheet 7 can adopt metallic conductor to be made; 3 of insulating sheaths can adopt the insulating materials such as heat-conducting plastic or pottery to be made.And in said structure, can realize closely cooperating by electrical connection or other connection between the each several part of composition pedestal, and the structure that links into an integrated entity, be convenient to the stable operation of the utility model, certainly, the design of its cylindrical surface provides good support also for the radiating treatment of led light source module.In actual application, for further strengthening the radiating effect of led light source group, can be as shown in Figure 3, strengthen the area of radiating surface, that is: be provided with the groove of axial setting at the sidewall of anodal battery core 2, also be equipped with the concave/convex-shaped structure corresponding with groove on the insulating sheath 3 outside being wrapped in anodal battery core 2, the negative pole conducting ring 4.
Fig. 2 is the cutaway view of led light source module, as shown in Figure 2, the led light source module can realize and being connected of bonnet 1 by base seat support 6, the bottom of base seat support 6 be extend internally and with the loop configuration of the electric sheet 7 phase clampings of positive pole, be provided with the installing hole 9 that is fixed on the bonnet 1 in loop configuration, the use of installing hole 9 has guaranteed the accurate location of pedestal, in actual use, can be by the fixing whole led light source module of the mode of bolt or other mechanical connection, in Fig. 1, the led light source module then is to be connected with bonnet by bolt.And in the actual fabrication process, base seat support 6 can adopt high heat conduction plastics or the pottery etc. material make, when the led light source module application is on bonnet 1, can play with bonnet 1 on the one hand the effect of insulation, the material of simultaneously high heat conduction more helps heat radiation, and the thermal release that produces during with whole led light source module work is in air.
Led light source group described in the utility model comprises circuit substrate 10 and is located at illuminator 11, anode connection terminal 12, negative pole link 13 on the circuit substrate 10 that anode connection terminal 12 is connected with anodal battery core 2; Negative pole link 13 then is connected with negative pole conducting ring 4, by the structure of above-mentioned pedestal and led light source group as can be known, the circuit connecting relation of whole led light source module is as follows: when wire 8 is connected on the power supply, the anodal electric sheet 7 that links to each other with wire 8, ring-type negative electrode 5 are successively by anodal battery core 2, anode connection terminal 12, illuminator 11, negative pole link 13 and negative pole conducting ring 4, consist of the loop, realize electrical connection, illuminator 11 is normally luminous.
In the prior art, Down lamp Chang Zuowei is installed in the bedroom, the parlor, hidden putting property light fixture on the toilet periphery ceiling uses, should be flush-mounted in the inside of ceiling, its light is projection downwards then, often it is stood upside down in use and install, for the utility model, for better realizing the installation of led light source module in the stack shell, as shown in Figure 4, the structure of stack shell is as follows: the bonnet 1 that forms stack shell is concave structure, form the protecgulum of stack shell then for being located at the platy structure outside bonnet 1 port, the led light source module is located on the end face of bonnet 1 bottom, in the cavity that bonnet 1 and protecgulum form, also be provided with insulation spacer 14, insulation spacer 14 is to be made into by the good insulating materials of heat transfer property, is located between led light source module and the bonnet 1, in its application process, the led light source module is adhered to insulation spacer 14 and is fixed on the bonnet 1, is insulation spacer 14 among Fig. 1 shown in the dash area.This special design also helps to increase the reliability of electrical connection and the mild transition of thermo-contact, guarantees the operation that the led light source module is safe, stable.
The utility model also is provided with reflector 15 in cavity, reflector 15 is as a kind of reflex reflector, often be applied in the various lightings, in the utility model, be tubular structure, be located between led light source module and bonnet 1 port, its port is respectively along the outside of negative pole conducting ring 4 and the inwall of bonnet 1 and arranging, its role is to: take full advantage of limited light source, the light-ray condensing that led light source is sent is in specific zone, luminous range and the illuminating area of control main spot are particularly useful for remote spotlighting.And by said structure as can be known, the port of reflector 15 is along the arranged outside of negative pole conducting ring 4, and matching thread structure again is that is: with negative pole conducting ring 4 and ring-type negative electrode 5 close-fitting helicitic textures, can realize the at any time installation of led light source group, more reduce maintenance cost of the present utility model.
Be better to realize the utility model, as shown in Figure 1, also comprise the structures such as wire casing 16, through wires hole 17 and the interconnective led driver power supply 18 of placing wire 8, terminals 19, wherein, wire casing 16 is positioned at the end face of bonnet 1 bottom; Through wires hole 17 is connected with wire casing 16,19 outsides of all being located at for bonnet 1 bottom of led driver power supply 18 and terminals, its annexation is as follows: the wire 8 that is connected on anodal electric sheet 7 and the ring-type negative electrode 5 is connected with led driver power supply 18 by wire casing 16, through wires hole 17 respectively, connect at terminals 19 in the situation of electricity, the led module Down lamp can be started working.
As shown in Figure 4, protecgulum comprises the diffuser plate 20 of being located at the center and the front shroud 21 that is positioned at diffuser plate 20 outer rings, the shape of diffuser plate 20 is identical with the port shape of bonnet 1, in use procedure of the present utility model, diffuser plate 20 can make distribution of light more even, have the effect of strengthening light effects, be diffuser plate 20 among Fig. 4 shown in the dash area.As shown in Figure 1, for ease of installation of the present utility model, on bonnet 1, also be provided with spring support 22.In actual application of the present utility model, can be according to the quantity of client to the increase in demand of luminous flux or minimizing led light source module, and ought operational blocks which partition system wherein occur in the situation of damage, can also keep in repair single module, install simply, be convenient to safeguard, certainly, the utility model also has good radiating effect, and the advantages such as long service life especially are fit to extensively promote the use of.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 (10)
1. a screw-in led module Down lamp comprises the stack shell that forms the Down lamp body, and it is characterized in that: be provided with the led light source module in described stack shell, described led light source module is connected with power supply.
2. a kind of screw-in led module Down lamp according to claim 1 is characterized in that: the enclosed construction with cavity of described stack shell for being comprised of bonnet (1) and protecgulum, described led light source module then is located on the bonnet (1).
3. a kind of screw-in led module Down lamp according to claim 2, it is characterized in that: described led light source module mainly is comprised of pedestal and the led light source group that is connected with pedestal, described pedestal is column structure, comprise the anodal battery core (2) that is column construction and be wrapped in successively the outer insulating sheath (3) of anodal battery core (2), negative pole conducting ring (4), ring-type negative electrode (5) and base seat support (6), also be provided with anodal electric sheet (7) in described anodal battery core (2) bottom, described led light source group then is located on the top end face of anodal battery core (2), also is respectively equipped with the wire (8) that links to each other with power supply on described ring-type negative electrode (5) and anodal electric sheet (7).
4. a kind of screw-in led module Down lamp according to claim 3, it is characterized in that: the bottom of described base seat support (6) for extend internally and with the loop configuration of the electric sheet of positive pole (7) phase clamping, also be provided with the installing hole (9) that is fixed on the bonnet (1) on the described loop configuration.
5. a kind of screw-in led module Down lamp according to claim 4, it is characterized in that: described led light source group comprises circuit substrate (10) and is located at illuminator (11), anode connection terminal (12), negative pole link (13) on the circuit substrate (10) that described anode connection terminal (12) is connected with anodal battery core (2); Described negative pole link (13) then is connected with negative pole conducting ring (4).
6. a kind of screw-in led module Down lamp according to claim 5, it is characterized in that: described bonnet (1) is concave structure, described protecgulum is then for being located at the platy structure outside bonnet (2) port, described led light source module is located on the end face of bonnet (1) bottom, also be provided with insulation spacer (14) and reflector (15) in described cavity, described insulation spacer (14) is located between led light source module and the bonnet (1); Described reflector (15) is then for being located at tubular structure between led light source module and bonnet (1) port, and the two-port of described reflector (15) is respectively along the outside of negative pole conducting ring (4) and the inwall of bonnet (1) and arranging.
7. a kind of screw-in led module Down lamp according to claim 6, it is characterized in that: also be provided with the wire casing (16) of placing wire (8) and the through wires hole (17) that is communicated with wire casing (16) at the end face that is positioned at bonnet (1) bottom, described wire (8) is connected with power supply by through wires hole (17).
8. a kind of screw-in led module Down lamp according to claim 7, it is characterized in that: also be provided with interconnective led driver power supply (18) and terminals (19) in the outside of described corresponding bonnet (1) bottom, described wire (8) is connected on the led driver power supply (18), and described terminals (19) then are connected with power supply.
9. a kind of screw-in led module Down lamp according to claim 8, it is characterized in that: described protecgulum comprises the diffuser plate (20) of being located at the center and the front shroud (21) that is positioned at diffuser plate (20) outer ring, and the shape of described diffuser plate (20) is identical with the port shape of bonnet (1).
10. a kind of screw-in led module Down lamp according to claim 9 is characterized in that: also be provided with the spring support (22) that the Down lamp body is installed on described bonnet (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203748985U CN202733549U (en) | 2012-07-31 | 2012-07-31 | Screw-in type light-emitting diode (LED) module tube lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203748985U CN202733549U (en) | 2012-07-31 | 2012-07-31 | Screw-in type light-emitting diode (LED) module tube lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202733549U true CN202733549U (en) | 2013-02-13 |
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ID=47659245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012203748985U Expired - Lifetime CN202733549U (en) | 2012-07-31 | 2012-07-31 | Screw-in type light-emitting diode (LED) module tube lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202733549U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104456234A (en) * | 2014-12-19 | 2015-03-25 | 东莞市闻誉实业有限公司 | Led down lamp |
-
2012
- 2012-07-31 CN CN2012203748985U patent/CN202733549U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104456234A (en) * | 2014-12-19 | 2015-03-25 | 东莞市闻誉实业有限公司 | Led down lamp |
| CN104456234B (en) * | 2014-12-19 | 2016-08-17 | 东莞市闻誉实业有限公司 | LED down |
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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: Screw-in type light-emitting diode (LED) module tube lamp Effective date of registration: 20140930 Granted publication date: 20130213 Pledgee: The Agricultural Bank of Chengdu branch of Limited by Share Ltd. Chinese Sichuan Pledgor: SICHUAN SUNFOR LIGHT Co.,Ltd. Registration number: 2014510000025 |
|
| 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: 20130213 Pledgee: The Agricultural Bank of Chengdu branch of Limited by Share Ltd. Chinese Sichuan Pledgor: SICHUAN SUNFOR LIGHT Co.,Ltd. Registration number: 2014510000025 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Screw-in type light-emitting diode (LED) module tube lamp Effective date of registration: 20150403 Granted publication date: 20130213 Pledgee: The Agricultural Bank of Chengdu branch of Limited by Share Ltd. Chinese Sichuan Pledgor: SICHUAN SUNFOR LIGHT Co.,Ltd. Registration number: 2015510000012 |
|
| 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: 20130213 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: Screw-in type light-emitting diode (LED) module tube lamp Effective date of registration: 20180206 Granted publication date: 20130213 Pledgee: SICHUAN ENERGY INDUSTRY INVESTMENT GROUP CO.,LTD. Pledgor: SICHUAN SUNFOR LIGHT Co.,Ltd. Registration number: 2018510000013 |
|
| 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: 20130213 Pledgee: SICHUAN ENERGY INDUSTRY INVESTMENT GROUP CO.,LTD. Pledgor: SICHUAN SUNFOR LIGHT Co.,Ltd. Registration number: 2018510000013 |
|
| 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: Screw-in type light-emitting diode (LED) module tube lamp Effective date of registration: 20190408 Granted publication date: 20130213 Pledgee: SICHUAN ENERGY INDUSTRY INVESTMENT GROUP CO.,LTD. Pledgor: SICHUAN SUNFOR LIGHT Co.,Ltd. Registration number: 2019510000043 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130213 |
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| CX01 | Expiry of patent term |