CN203249004U - Lamp - Google Patents
Lamp Download PDFInfo
- Publication number
- CN203249004U CN203249004U CN 201320080523 CN201320080523U CN203249004U CN 203249004 U CN203249004 U CN 203249004U CN 201320080523 CN201320080523 CN 201320080523 CN 201320080523 U CN201320080523 U CN 201320080523U CN 203249004 U CN203249004 U CN 203249004U
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- CN
- China
- Prior art keywords
- light
- ring body
- lampshade
- emitting diode
- leaded light
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
A lamp comprises a light-emitting diode module, a light-emitting diode substrate, a circuit board, a power supply base and a lampshade, wherein the light-emitting diode module is combined on the light-emitting diode substrate, the circuit board comprises a circuit loop which can be in electric connection with the light-emitting diode module combined with the light-emitting diode substrate, the circuit board is arranged inside the power supply base, the lampshade is of a semi-oval shell body structure, a light-guiding ring body is arranged on the periphery, close to the power supply base, of the lampshade, the light-guiding ring body is located in a lateral light-emitting direction of the light-emitting diode module, and the light-guiding ring body is provided with at least one light-entering surface and at least one light-emitting surface. Therefore, the light emitted by the light-emitting diode module enters at least one light-entering surface, is transmitted inside the light-guiding ring body, is reflected and then is emitted through at least one light-emitting surface, and the purpose of widening the light-emitting range of the light is achieved.
Description
Technical field
The utility model is involved in a kind of light fixture, refers to especially a kind of light fixture that can increase light-emitting diode (LED) module rising angle and range effect by the leaded light ring body.
Background technology
Press, have at present and utilize light emitting diode (LED) as the bulb of light emitting source, adopt the power supply kenel of general incandescent lamp bulb, can directly be installed on the conventional bulb seat and use; Yet, when the similar light emitting diode bulb of commonly using is lighted, LED source as light emitting source belongs to direct light, the light source that whole light emitting diode bulb produces can only towards light emitting diode over against area illumination, and fail the outer peripheral areas of light emitting diode avris is produced illuminating effect.For instance, shown in Figure 1A and Figure 1B, known led light source device the 10 ' employed lampshade is circular-arc more, and is installed on the wall the 20 ' effect that reaches irradiation and visual appearance; Yet when led light source device 10 ' was screwed with the lamp socket 21 ' of corresponding wall 20 ', led chip 11 ' became parastate with wall 20 '.As shown in Figure 1B, because the congenital light source characteristic of led light source device 10 ' is that direct light and its irradiating angle are little, so that the light source that these led chips 11 ' in the led light source device 10 ' send is the relation towards the place ahead direct projection (being that aforementioned light source is the horizontal direction irradiation), make wall 20 ' method obtain the light source that these led chips 11 ' send, therefore, cause wall 20 ' can't effectively obtain the light source of presetting, to cause WBR efficient not good, and then cause the irradiating angle of led light source device 10 ' and range limited, even if improve the quantity of power or the increase LED of LED, still can't solve the problem of led light source device 10 ' irradiating angle deficiency.
In addition, in order to improve light source radiating angle, as shown in Figure 2, known bulb type led light source device 30 ' occurs on the market, its employed lampshade 31 ' is bulb-shaped, but the cost of manufacture of its ejection formation and material cost are expensive, do not meet economic benefits.
In sum, the improving of inventor's thoughts the problems referred to above is that the spy concentrates on studies and cooperates the utilization of scientific principle, finally proposes a kind of reasonable in design and effectively improve the utility model of defects.
The utility model content
Main purpose of the present utility model is, a kind of light fixture with leaded light ring body is provided, it not only can increase light-emitting diode (LED) module rising angle and range effect, and can provide illumination to the lampshade rear of led lamp, form easily the shortcoming in shadow region with effective lampshade rear of improving the known luminescence diode artistic lamp.
Secondary objective of the present utility model is that a kind of fitting structure improvement that promotes the light fixture illumination efficiency that has is provided.
In order to reach above-mentioned purpose, the utility model provides a kind of light fixture, and this light fixture comprises: a light-emitting diode (LED) module; One light emitting diode base plate is combined with this light-emitting diode (LED) module on this light emitting diode base plate; One circuit board, this circuit board comprises a circuit loop at least, this light-emitting diode (LED) module that this circuit loop can be combined with this light emitting diode base plate is electrically connected;
One power supply base, this power supply base are hollow housing, and this circuit board is arranged in this hollow housing; An and lampshade, this lampshade is one to be half elliptic shell-like structure body, this lampshade is provided with a leaded light ring body near edge around this power supply base, and this leaded light ring body is positioned on the side direction light direction of this light-emitting diode (LED) module, and this leaded light ring body has at least one incidence surface and at least one exiting surface; Wherein, the light that this light-emitting diode (LED) module sends enters this at least one incidence surface, and in this leaded light ring body internal transmission, penetrates through this at least one exiting surface by above-mentioned light refraction, to enlarge the optical range that of above-mentioned light.
Further, the leaded light ring body comprises an outer ring surface and an inner ring surface, and outer ring surface has at least one exiting surface, and inner ring surface has at least one incidence surface.
Further, the diameter of the outer ring surface of leaded light ring body is greater than the maximum outside diameter of lampshade, and the diameter of the outer ring surface of leaded light ring body is greater than the maximum outside diameter of power supply base.
Further, leaded light ring body and lampshade are one-body molded.
Further, the leaded light ring body is installed on the lampshade.
Further, the formed center of circle of leaded light ring body is coaxial with the formed center of circle of lampshade.
Further, the leaded light ring body is installed on the lampshade with fit mode, engaging mode or bonding mode.
Further, the external diameter of the outer ring surface of leaded light ring body inwardly dwindles towards the direction of power supply base.
Further, outer ring surface is many curved surfaces exiting surface.
Further, outer ring surface is the hyperboloid exiting surface.
Further, outer ring surface is S type warp surface exiting surface.
Further, outer ring surface is wavy exiting surface, zigzag exiting surface.
The utility model has following advantage at least: the utility model is about a kind of light fixture with leaded light ring body, it not only can provide illumination to the lampshade rear of this light fixture, form easily the shortcoming in shadow region with effective lampshade rear of improving the known luminescence diode artistic lamp, the coloured light that can also produce by this leaded light ring body, and overall space is produced decorative aesthetics, and has the effect of create atmosphere.
More than about the explanation of the explanation of the utility model content and following embodiment in order to for example and explain principle of the present utility model, and provide patent claim of the present utility model further to explain.
Description of drawings
Figure 1A is the use state diagram of known led light source device;
Figure 1B is the use state partial sectional view of known led light source device;
Fig. 2 is the use state diagram of another known led light source device;
Fig. 3 A is the three-dimensional combination figure that the utlity model has the light fixture of leaded light ring body;
Fig. 3 B is the use state partial sectional view that the utlity model has the light fixture of leaded light ring body;
Fig. 4 A be leaded light ring body of the present utility model and lampshade in conjunction with schematic diagram (one);
Fig. 4 B be leaded light ring body of the present utility model and lampshade in conjunction with schematic diagram (two);
Fig. 4 C be leaded light ring body of the present utility model and lampshade in conjunction with schematic diagram (three);
Fig. 4 D be leaded light ring body of the present utility model and lampshade in conjunction with schematic diagram (four);
Fig. 5 is the three-dimensional combination figure that the utlity model has another embodiment of light fixture of leaded light ring body;
Fig. 6 A is the schematic diagram () that the leaded light ring body of another embodiment of the utility model is installed on lampshade;
Fig. 6 B is the schematic diagram (two) that the leaded light ring body of another embodiment of the utility model is installed on lampshade;
Fig. 6 C is the schematic diagram (three) that the leaded light ring body of another embodiment of the utility model is installed on lampshade; And
Fig. 6 D is the schematic diagram (four) that the leaded light ring body of another embodiment of the utility model is installed on lampshade.
[main element symbol description]
＜prior art 〉
10 ' LED light supply apparatus
11 ' LED chip
20 ' wall
21 ' lamp socket
30 ' bulb type led light source device
31 ' lampshade
＜the utility model 〉
1 has the light fixture of leaded light ring body
11 light-emitting diode (LED) modules
12 light emitting diode base plates
13 circuit boards
14 power supply bases
15 lampshades
15a ' the place ahead
15b ' rear
16 leaded light ring bodies
161 outer ring surfaces
The 161a exiting surface
162 inner ring surfaces
The 162a incidence surface
15c, the 16c center of circle
The diameter of L1 outer ring surface
The maximum outside diameter of L2 lampshade
The maximum outside diameter of L3 power supply base
The S axis
The specific embodiment
Below described embodiment mention quantity or its fellow, unless otherwise mentioned, otherwise application category of the present utility model should not be subjected to its quantity or its fellow's restriction.Light fixture 1 with leaded light ring body of the present utility model can be applicable to the aspects such as lamp affixed to the ceiling, Recessed light, pendent lamp, but the therefore scope used of limit the utility model not.
See also Fig. 3 A and Fig. 3 B, the utility model provides a kind of light fixture 1 with leaded light ring body, and it comprises that mainly a light-emitting diode (LED) module 11, a light emitting diode base plate 12, a circuit board 13, a power supply base 14 and a lampshade 15 form.Light emitting diode base plate 12 provides light-emitting diode (LED) module 11 combined thereon, and circuit board 13 then comprises a circuit loop (not icon), in order to do electric connection with the light-emitting diode (LED) module 11 of light emitting diode base plate 12 combinations.Power supply base 14 is hollow housing, and with so that circuit board 13 is arranged in this hollow housing, power supply base 14 is then in order to be electrically connected with civil power or power generation, so that light-emitting diode (LED) module 11 emits beam.
Light fixture 1 with leaded light ring body of the present utility model, its lampshade 15 are for being half elliptic shell-like structure body without exception, and lampshade 15 has the place ahead 15a ' and a rear 15b '; Wherein, the rear 15b ' of lampshade 15 is provided with a leaded light ring body 16 near edge around the power supply base 14.When user's unlatching the utlity model has the light fixture 1 of leaded light ring body, make light-emitting diode (LED) module 11 beginnings luminous, at this moment, because leaded light ring body 16 is located on the side direction light direction of light-emitting diode (LED) module 11, and leaded light ring body 16 has at least one incidence surface 162a and at least one exiting surface 161a, so the most light that self-luminous diode (led) module 11 sends will directly penetrate lampshade 15 and throw light on, the small part light that self-luminous diode (led) module 11 sends (side direction light) then can enter at least one incidence surface 162a, and after leaded light ring body 16 internal transmission, light is penetrated by at least one exiting surface 161a after refraction, to enlarge the optical range that of above-mentioned light.By this, not only can provide illumination to the lampshade 15 rear 15b ' of the light fixture 1 that the utlity model has the leaded light ring body, form easily the shortcoming of shade with effective lampshade 15 rear 15b ' that improve the known luminescence diode artistic lamp, and the coloured light that can produce by leaded light ring body 16, overall space is produced decorative aesthetics, and the effect of create atmosphere.
Below in detail specific embodiment of the utility model will be described in detail, and see also Fig. 3 A and Fig. 3 B, Fig. 3 A is the three-dimensional combination figure that the utlity model has the light fixture of leaded light ring body, and Fig. 3 B then is the use state partial sectional view that the utlity model has the light fixture of leaded light ring body; Shown in Fig. 3 A and Fig. 3 B, the light fixture 1 with leaded light ring body of the present utility model, it comprises a light-emitting diode (LED) module 11, a light emitting diode base plate 12, a circuit board 13, a power supply base 14 and a lampshade 15.Power supply base 14 is hollow housing, and the external diameter of power supply base 14 inside contracts gradually and forms with circular diameter towards lampshade 15 directions, and power supply base 14 lateral surfaces are surrounded with a plurality of spaced radiating fins (not label).Lampshade 15 is near the integrally formed leaded light ring body 16 of edge around the power supply base 14; Wherein, leaded light ring body 16 comprises an outer ring surface 161 and an inner ring surface 162, and outer ring surface 161 has at least one exiting surface 161a, and inner ring surface 162 then has at least one incidence surface 162a.Because the external diameter of outer ring surface 161 inside contracts (Fig. 4 A to Fig. 4 D) towards power supply base 14 directions, so the light incident that leaded light ring body 16 can make light-emitting diode (LED) module 11 send is penetrated from the rear of lampshade 15 15b ' after reflecting an angle.In other words, can make the light fixture 1 that the utlity model has the leaded light ring body, the light that its light-emitting diode (LED) module 11 sends goes out optical range and higher luminous efficiency because refraction effect has than full width.
See also Fig. 4 A to Fig. 4 D, Fig. 4 A be leaded light ring body of the present utility model and lampshade in conjunction with schematic diagram (one), Fig. 4 B be leaded light ring body of the present utility model and lampshade in conjunction with schematic diagram (two), Fig. 4 C be leaded light ring body of the present utility model and lampshade in conjunction with schematic diagram (three), Fig. 4 D then be leaded light ring body of the present utility model and lampshade in conjunction with schematic diagram (four); Shown in Fig. 4 A and Fig. 4 B, the external diameter of the outer ring surface 161 of leaded light ring body 16 inside contracts towards power supply base 14 directions and lampshade 15 directions respectively; More specifically, outer ring surface 161 can have two exiting surface 161a that are cone-shaped, or outer ring surface 161 has and is two curved exiting surface 161a of circular arc, at this moment, the light that self-luminous diode (led) module 11 sends can directly enter at least one incidence surface 162a of leaded light ring body 16, and after leaded light ring body 16 internal transmission, penetrated towards the place ahead and lampshade 15 rears of lampshade 15 respectively by two exiting surface 161a through refraction again.It should be noted that, the rising angle of leaded light ring body 16 has the larger area arc-shaped surface because of described two exiting surface 161a, so can be so that the rising angle increase of leaded light ring body 16, the light that in other words, light-emitting diode (LED) module 11 is sent penetrates towards the place ahead 15a ' and the rear 15b ' of lampshade 15 respectively; In addition, shown in Fig. 4 C and Fig. 4 D, the external diameter of the outer ring surface 161 of leaded light ring body 16 only inside contracts towards power supply base 14 directions; More specifically, the outer ring surface 161 of leaded light ring body 16 has the exiting surface 161a that is scarf, or outer ring surface 161 has and is the curved exiting surface 161a of semi arch, at this moment, the light that self-luminous diode (led) module 11 sends can directly enter at least one incidence surface 162a of leaded light ring body 16, and after leaded light ring body 16 internal transmission, penetrate towards the rear 15b ' of lampshade 15 through refraction again, because the leaded light ring body 16 of Fig. 4 C and Fig. 4 D is not more taken a lot of work compared to the production method of the leaded light ring body 16 of Fig. 4 A and Fig. 4 B, so can reduce cost of manufacture, and also can reach the purpose that the illumination of lampshade 15 rears is provided.
It should be noted that, because the diameter L1 of the outer ring surface 161 of leaded light ring body 16 is greater than the maximum outside diameter L2 of lampshade 15, and the diameter L1 of the outer ring surface 161 of leaded light ring body 16 is greater than the maximum outside diameter L3 of power supply base 14, in other words, leaded light ring body 16 is the outstanding structure that is formed between lampshade 15 and the power supply base 14, so can make the light after 16 refractions of leaded light ring body reduce the chance of being covered by power supply base 14, in order to do the optical range that goes out that promotes light guide effect and expansion light with raising.In addition, the outer ring surface 161 of described leaded light ring body 16 also can have and is complicated irregular many curved surfaces exiting surface 161a, hyperboloid exiting surface 161a, S type warp surface exiting surface 161a, regular or irregular wavy exiting surface 161a, the poor shape exiting surface of zigzag exiting surface 161a or continuous segment 161a, so the light that sends when light-emitting diode (LED) module 11 is from least one incidence surface 162a incident, and after leaded light ring body 16 internal transmission, again through the anaclasis effect, produce evenly outwards luminous applicable light source by above-mentioned exiting surface 161a, so that its area source briliancy more evenly distributes.The material that described leaded light ring body 16 can have good leaded light and light transmitting property is made, and the light transmittance of leaded light ring body 16 reaches more than 92%; For instance, leaded light ring body 16 can be plastics, PETG (PET), acryl or glass material and lampshade 15 Unitary injection formeds made, but the simple and easy modification and the equivalent structure that such as use the utility model specification and graphic content to do change, all should in like manner be contained in the utility model claim, close and give Chen Ming.
See also Fig. 5 to Fig. 6 D, Fig. 5 is the three-dimensional combination figure that the utlity model has another embodiment of light fixture of leaded light ring body, Fig. 6 A is the schematic diagram () that the leaded light ring body of another embodiment of the utility model is installed on lampshade, Fig. 6 B is the schematic diagram (two) that the leaded light ring body of another embodiment of the utility model is installed on lampshade, Fig. 6 C is the schematic diagram (three) that the leaded light ring body of another embodiment of the utility model is installed on lampshade, and Fig. 6 D then is installed on the schematic diagram (four) of lampshade for the leaded light ring body of another embodiment of the utility model; As shown in Figure 5, the present embodiment place different from above-described embodiment is that leaded light ring body 16 is installed on the rear 15b ' of lampshade 15 near edge around the power supply base 14; Preferably, when leaded light ring body 16 is installed on lampshade 15, leaded light ring body 16 formed center of circle 16C and lampshade 15 formed center of circle 15C coaxial (axis S), so that after light incident leaded light ring body 16 internal transmission that light-emitting diode (LED) module 11 sends, the light that penetrates through anaclasis self-conductance ring of light body 16 is evenly distributed in light fixture 1 all around.Such as Fig. 6 A to Fig. 6 D, similarly, be installed on the leaded light ring body 16 between lampshade 15 and the power supply base 14, the external diameter of its outer ring surface 161 can inside contract (Fig. 6 A and Fig. 6 B) towards power supply base 14 directions and lampshade 15 directions respectively, or the external diameter of leaded light ring body 16 outer ring surfaces 161 only inside contracts (Fig. 6 C and Fig. 6 D) towards power supply base 14 directions, at this moment, after the light that self-luminous diode (led) module 11 sends can pass first lampshade 15, enter again at least one incidence surface 162a of leaded light ring body 16, and after leaded light ring body 16 internal transmission, again through refraction and the exiting surface 161a of self-conductance ring of light body 16 penetrates, because the described leaded light ring body 16 of Fig. 6 A to Fig. 6 D, its structure and the effect reached are as the leaded light ring body 16 of Fig. 4 A to Fig. 4 D, so do not give unnecessary details at this.
It should be noted that described leaded light ring body 16 can the fit mode, engaging mode or bonding mode be installed on lampshade 15; For instance, described bonding mode can utilize leaded light ring body 16 modes such as thermal welding, gummed and lampshade 15 to be combined into one, so the simple and easy modification and the equivalent structure that such as use the utility model specification and graphic content to do change, all should in like manner be contained in the utility model claim, close and give Chen Ming.
In addition, what will specify here is, the direction term that the utility model is mentioned such as: upper and lower, left and right, front or rear etc., only is the direction with reference to annexed drawings.Therefore, the direction term of use be the explanation and be not to limit the utility model.
Be with, have characteristics described as follows and function by miniature pluggable module radiator structure of the present utility model improvement ():
One, the light fixture with leaded light ring body of the present utility model, its external diameter by the outer ring surface of leaded light ring body inside contracts towards the power supply base direction, so light rear from lampshade after the leaded light ring body reflects an angle that light-emitting diode (LED) module is sent is penetrated, lampshade rear illumination not only can be provided, also can make light that light-emitting diode (LED) module sends go out optical range and higher luminous efficiency because refraction effect has than full width.
Two, the light fixture with leaded light ring body of the present utility model, the external diameter of the outer ring surface of its leaded light ring body inside contracts towards power supply base direction and lampshade direction respectively, so can increase the rising angle of the light that light-emitting diode (LED) module sends.
Three, miniature pluggable module radiator structure improvement of the present utility model (), its leaded light ring body is outstanding to be formed between lampshade and the power supply base, so can make the light after the refraction of leaded light ring body reduce the chance of being covered by power supply base, to improve the optical range that goes out that promotes light guide effect and enlarge light.
In sum, the real important document that has met utility model patent of the utility model is filed an application in accordance with the law.Yet above disclosed person; it only is the utility model preferred embodiment; from not limiting claim protection domain of the present utility model with this, the equalization of therefore doing according to the utility model application range changes or modifies, and still belongs to the scope that the utility model is contained.
Claims (12)
1. a light fixture is characterized in that, described light fixture comprises:
One light-emitting diode (LED) module;
One light emitting diode base plate is combined with described light-emitting diode (LED) module on the described light emitting diode base plate;
One circuit board, described circuit board comprises a circuit loop at least, the described light-emitting diode (LED) module that described circuit loop can be combined with described light emitting diode base plate is electrically connected;
One power supply base, described power supply base are hollow housing, and described circuit board is arranged in the described hollow housing; And
One lampshade, described lampshade is one to be half elliptic shell-like structure body, described lampshade is provided with a leaded light ring body near edge around the described power supply base, described leaded light ring body is positioned on the side direction light direction of described light-emitting diode (LED) module, and described leaded light ring body has at least one incidence surface and at least one exiting surface;
Wherein, the light that described light-emitting diode (LED) module sends enters described at least one incidence surface, and in the internal transmission of described leaded light ring body, penetrates through described at least one exiting surface by described light refraction, to enlarge the optical range that of described light.
2. light fixture according to claim 1 is characterized in that, described leaded light ring body comprises an outer ring surface and an inner ring surface, and described outer ring surface has described at least one exiting surface, and described inner ring surface has described at least one incidence surface.
3. light fixture according to claim 2 is characterized in that, the diameter of the described outer ring surface of described leaded light ring body is greater than the maximum outside diameter of described lampshade, and the diameter of the described outer ring surface of described leaded light ring body is greater than the maximum outside diameter of described power supply base.
4. light fixture according to claim 3 is characterized in that, described leaded light ring body and described lampshade are one-body molded.
5. light fixture according to claim 3 is characterized in that, described leaded light ring body is installed on the described lampshade.
6. light fixture according to claim 5 is characterized in that, the formed center of circle of described leaded light ring body is coaxial with the formed center of circle of described lampshade.
7. light fixture according to claim 6 is characterized in that, described leaded light ring body is installed on the described lampshade with fit mode, engaging mode or bonding mode.
8. according to claim 3 or 7 described light fixtures, it is characterized in that the external diameter of the described outer ring surface of described leaded light ring body inwardly dwindles towards the direction of described power supply base.
9. according to claim 3 or 7 described light fixtures, it is characterized in that described outer ring surface is many curved surfaces exiting surface.
10. light fixture according to claim 9 is characterized in that, described outer ring surface is the hyperboloid exiting surface.
11. light fixture according to claim 9 is characterized in that, described outer ring surface is S type warp surface exiting surface.
12. according to claim 3 or 7 described light fixtures, it is characterized in that described outer ring surface is wavy exiting surface, zigzag exiting surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320080523 CN203249004U (en) | 2013-02-21 | 2013-02-21 | Lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320080523 CN203249004U (en) | 2013-02-21 | 2013-02-21 | Lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203249004U true CN203249004U (en) | 2013-10-23 |
Family
ID=49375443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320080523 Expired - Fee Related CN203249004U (en) | 2013-02-21 | 2013-02-21 | Lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203249004U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105987294A (en) * | 2015-02-04 | 2016-10-05 | 蔡高德 | LED bulb emitting light in multiple directions |
-
2013
- 2013-02-21 CN CN 201320080523 patent/CN203249004U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105987294A (en) * | 2015-02-04 | 2016-10-05 | 蔡高德 | LED bulb emitting light in multiple directions |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131023 Termination date: 20180221 |