CN201523026U - Lead frame configuration of light-emitting diode - Google Patents
Lead frame configuration of light-emitting diode Download PDFInfo
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- CN201523026U CN201523026U CN2009202677618U CN200920267761U CN201523026U CN 201523026 U CN201523026 U CN 201523026U CN 2009202677618 U CN2009202677618 U CN 2009202677618U CN 200920267761 U CN200920267761 U CN 200920267761U CN 201523026 U CN201523026 U CN 201523026U
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- lead frame
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Abstract
A lead frame configuration of a light-emitting diode is capable of congregating water vapor among barrier sections by means of syphonage formed by forming discontinuous barrier sections at the edge of a frame embedded with a rubber base, thereby being capable of having the effect of efficiently preventing water vapor from permeating the lead frame configuration of the light-emitting diode.
Description
Technical field
The utility model relates to a kind of lead frame structure of light-emitting diode, refers in particular to a kind of obstruct section in the bracket edge formation discontinuous of imbedding rubber base, aqueous vapor effectively can be separated to prevent the lead frame structure of the light-emitting diode that the water air infiltration is gone into.
Background technology
In recent years, because light-emitting diode (Light Emitting Diode, LED) have that power consumption is low, assembly life-span is long, need not warm up advantages such as lamp time and reaction speed be fast, add that its volume is little, vibration resistance, be fit to volume production, therefore light-emitting diode generally is used on the indicator light and display unit of information, communication and consumption electronic products, as mobile phone and personal digital assistant (Personal DigitalAssistant, PDA) screen backlight source, various outdoor display, traffic signal light and car light etc.
Usually light-emitting diode is to paste technology (Surface Mount Device by the surface, SMD) be fixed in the lead frame structure of light-emitting diode, and the internal structure of the lead frame of light-emitting diode structure below will illustrate a kind of lead frame structure of known light-emitting diode for the influence that light effect has substantivity that goes out of light-emitting diode.
Please refer to shown in Figure 1A, Figure 1B and Fig. 1 C, Figure 1A illustrates the stereogram into the lead frame structure of known light-emitting diode; Figure 1B illustrates and is slight void stereo amplification figure between the rubber base of the lead frame structure of known light-emitting diode and support; Fig. 1 C illustrates the schematic top plan view into the lead frame structure of known light-emitting diode.
The lead frame structure of known light-emitting diode, it comprises: first support 10, second support 20 and rubber base 30.
Wherein, burying end in first buries end 21 both sides in 11 and second and forms respectively to bury at least one depressed part 12 and at least one depressed part 22, the first and bury end 21 both sides institute in end 11 both sides and second depressed part 12 and the depressed part 22 of formation are embedded in the rubber base 30 respectively.
Bury in first and bury the formed depressed part 21 in end 21 both sides in the end formed depressed part 11 in 11 both sides and second, its effect will be described as follows.
In with first, bury and bury in the end 11 and second when holding 21 to be embedded in the rubber base 30, because the rubber base 30 and first support 10 and second support, 20 both sides can produce slight void 31 respectively (shown in Figure 1B, for strengthening hint effect, show the slight void 31 that the rubber base 30 and first support 10 and second support, 20 both sides are produced in remarkable mode among the figure), and when light-emitting diode is used to have the environment of aqueous vapor, aqueous vapor is easy to just infiltrate from slight void 31, and when aqueous vapor is infiltrated to light-emitting diode (not illustrating among the figure), then can have influence on the luminous efficiency of light-emitting diode, even can make led failure.
When aqueous vapor when rubber base 30 and first support 10 or second support, 20 both sides slight void 31 are infiltrated, then can in first, bury the formed depressed part 12 in end 11 both sides, or owing to bury end 21 formed depressed parts 22 in second, increase the travel path of aqueous vapor, and increase the time of aqueous vapor infiltration simultaneously to light-emitting diode, to prolong the useful life of light-emitting diode, can't prevent effectively that still the continuation of aqueous vapor from infiltrating.
It is the travel path that increases aqueous vapor that the lead frame of known light-emitting diode is constructed employed technological means, and increase the time of aqueous vapor infiltration simultaneously to light-emitting diode, to prolong the useful life of light-emitting diode, but the continuation that can't effectively prevent aqueous vapor is infiltrated, when using light-emitting diode for a long time, infiltrate the luminous efficiency that promptly can have influence on light-emitting diode to light-emitting diode in aqueous vapor, even can make that light-emitting diode loses effectiveness.
In sum, known technology has existed the lead frame structure of existing light-emitting diode can't effectively prevent the problem that aqueous vapor is infiltrated always since the midium or long term as can be known, therefore is necessary to propose improved technological means, solves this problem.
The utility model content
The purpose of this utility model is to provide a kind of lead frame structure of light-emitting diode, exists the lead frame structure of existing light-emitting diode can't effectively prevent the problem that aqueous vapor is infiltrated to improve known technology,
For achieving the above object, the lead frame of the light-emitting diode that the utility model provides structure mainly comprises:
Rubber base, first support and second support.
Wherein, this first support has and buries end in one first and be embedded in this rubber base, and this buries end in first is in order to affixed this light-emitting diode, and this buries the end both sides in first and is formed with at least one first respectively and intercepts section; This second support has and buries end in one second and be embedded in this rubber base, and this buries end in second and electrically connects in order to produce with this light-emitting diode, and this buries the end both sides in second and is formed with at least one second respectively and intercepts section.
And form at this edge that buries the end both sides in first of this first support should at least one first intercept the chamfering of section for being interrupted, and this edge that buries the end both sides in second of this second support form should at least one second intercept the chamfering that section is an interruption.
And this at least one first section length that intercepts section and this at least one second obstruct section can be equal length or different length, and this at least one first intercepts section and should at least one second intercepts section and can be evenly distributed in this respectively and bury the edge that buries the end both sides in end both sides and this second in first, or should at least one first intercepts section and should at least one second obstruct section can be allocated in this respectively arbitrarily and bury in first to hold in both sides and this second and bury the edge of holding both sides.
And bury in this buries end both sides and this second in first that end both sides institute forms respectively should at least one first intercept section and should at least one second intercept between the section of section can the formation siphonage, aqueous vapor is gathered between this at least one first obstruct section and this at least one second obstruct section.
In this buries end both sides and this second in first, bury the end both sides and also can form at least one depressed part respectively, this at least one depressed part is in order to outside the path that increases aqueous vapor, also can form siphonage, be gathered in the corner of this at least one depressed part with the aqueous vapor of will infiltrate in the corner of this at least one depressed part.
This buries in first and buries this at least one depressed part that end both sides institute forms respectively in end both sides and this second is to be disposed in regular turn to this rubber base inside by this rubber base outside with this at least one first obstruct section and this at least one second obstruct section, burying end in first buries this at least one depressed part that end both sides institute forms respectively in the both sides and second and also can be disposed in regular turn to this rubber base outside by this rubber base inside with this at least one first obstruct section and this at least one second obstruct section, or bury in first that end buries that end both sides institute forms respectively in the both sides and second should at least one first intercept section and this at least one second obstruct section and this at least one depressed part and present interconnected, this at least one depressed part also can form at least one the 3rd and intercept section, the aqueous vapor of infiltrating can be gathered in this at least one the 3rd obstruct section place of this at least one depressed part.
Difference between the utility model and the known technology is that the utility model forms this respectively and at least one first intercepts section in these both sides of burying end in first that this first support is embedded in this rubber base, and be embedded in these both sides of burying end in second of this rubber base at this second support and form this respectively and at least one second intercept section, because this rubber base and this first support and this second support both sides can produce slight void respectively, aqueous vapor is slight void infiltration thus then, when aqueous vapor infiltrate bury in first to this bury in end both sides and this second that end both sides institute forms respectively should at least one first obstruct section and during this at least one second obstruct section, aqueous vapor then can this bury in first end this at least one first intercept bury end in section or this second should form siphonage between the section of at least one second obstruct section, the aqueous vapor of infiltrating can be gathered in this thus buries should at least one first intercepting in section or this second of end in first and buries between this at least one second obstruct section of end, so that aqueous vapor can not continue to infiltrate to light-emitting diode again, the luminous efficiency that so promptly can effectively prevent light-emitting diode that aqueous vapor causes descends, and the problem of led failure.
By above-mentioned technological means, the lead frame structure that the utility model can be reached light-emitting diode effectively prevents the technology effect that aqueous vapor is infiltrated.
Description of drawings
Figure 1A is the stereogram of the lead frame structure of known light-emitting diode.
Figure 1B is a slight void stereo amplification figure between the rubber base of lead frame structure of known light-emitting diode and support.
Fig. 1 C is the schematic top plan view of the lead frame structure of known light-emitting diode.
Fig. 2 is the schematic perspective view of the lead frame structure of the utility model light-emitting diode.
Fig. 3 A to Fig. 3 C is the support generalized section of the lead frame structure of the utility model light-emitting diode.
Fig. 4 A is the baffle area segment length configuration schematic top plan view of the lead frame structure of the utility model light-emitting diode.
Fig. 4 B is the obstruct section configuration mode schematic top plan view of the lead frame structure of the utility model light-emitting diode.
Fig. 5 A is the configuration depressed part schematic top plan view of the lead frame structure of the utility model light-emitting diode.
Fig. 5 B and Fig. 5 C are the depressed part and obstruct section configuration mode schematic top plan view of the lead frame structure of the utility model light-emitting diode.
Fig. 6 is that the depressed part configuration of the lead frame structure of the utility model light-emitting diode intercepts the section schematic top plan view.
Primary clustering symbol description in the accompanying drawing
10 first supports
Bury end in 11 first
12 depressed parts
121 the 3rd intercept section
13 first intercept section
20 second supports
Bury end in 21 second
22 depressed parts
221 the 3rd intercept section
23 second intercept section
30 rubber bases
31 spaces
Embodiment
Following conjunction with figs. and embodiment describe execution mode of the present utility model in detail, thus to the utility model how the application technology means implementation procedure that solves technical problem and reach the technology effect can fully understand and implement according to this.
Light-emitting diode (Light Emitting Diode, LED) the scope of application is quite wide, therefore, light-emitting diode can suffer from different situations in varying environment, for example: when light-emitting diode is applied to have the environment of aqueous vapor, these aqueous vapors are being infiltrated in light-emitting diode, then can cause the lumination of light emitting diode decrease in efficiency, even cause the problem of led failure, above-mentionedly be the problem that light-emitting diode must be considered at this environment.
For known technology first support 10 first in bury end 11 and second support 20 second in bury the luminous efficiency that formed at least one depressed part 12 and at least one depressed part 22 in the end 21 still can't solve light-emitting diode and descend, and the problem of led failure, the utility model proposes a kind of lead frame structure of light-emitting diode, can effectively solve the above problems.
Below the settling mode that the utility model proposes will be described, the lead frame of the described light-emitting diode of the utility model structure please refer to shown in Figure 2ly, is the schematic perspective view of the lead frame structure of the utility model light-emitting diode.
As shown in Figure 2, the lead frame of light-emitting diode of the present utility model structure, it comprises: first support 10, second support 20 and rubber base 30.
It is identical with known technology that the utility model is made first support 10, second support 20 and rubber base 30, in addition, can also be fixed in the technology of first support 10 with reference to existing light-emitting diode (not illustrating among the figure), and light-emitting diode produced the technology be electrically connected at second support 20, also identical with known technology, therefore, no longer give unnecessary details at this.
The utility model major technology is characterised in that, first support 10 be embedded in rubber base 30 first in bury end 11 both sides and form at least one first respectively and intercept section 13, and second support 20 be embedded in rubber base 30 second in bury end 21 both sides and form at least one second respectively and intercept section 23, and that buries in first that end 11 both sides form respectively at least one first intercepts section 13, and bury in second that the both sides of end 21 form respectively at least one second to intercept section 23 be to be embedded in to place in the rubber base 30.
When aqueous vapor when rubber base 30 and first support 10 or second support, 20 both sides slight void 31 (please refer to shown in Figure 1B) are infiltrated, in infiltrating to first, aqueous vapor buries at least one first obstruct section 13 that end 11 both sides institute forms respectively, or when infiltrating at least one second obstruct section 23 bury in second that end 21 both sides institute forms respectively, aqueous vapor then can be buried at least one first of end 11 and be intercepted to bury in the section 13 or second between the section that at least one second of end 21 intercepts section 23 and form siphonage in first, aqueous vapor can be gathered in thus between at least one second obstruct section 23 that buries end 21 at least one first obstruct section 13 or second that buries end 11 in first, so that infiltrating of can not continuing again of aqueous vapor to light-emitting diode, the luminous efficiency that so promptly can effectively prevent light-emitting diode that aqueous vapor causes descends, and the problem of led failure.
Then, please refer to shown in Fig. 3 A, Fig. 3 B and Fig. 3 C, Fig. 3 A to Fig. 3 C is the support generalized section of the lead frame structure of the utility model light-emitting diode.
Be that section with second support 20 is as presenting effect among Fig. 3 A to Fig. 3 C, the section situation of first support 10 (please refer to shown in Figure 2) is identical with the section effect of second support 20, below will be as an illustration with second support 20, and first support 10 promptly can be with reference to the explanation of second support 20.
In addition, at least one second obstruct section 23 can also only bury end 21 top edges and form disjunct chamfering respectively in second, shown in Fig. 3 B; At least one second obstruct section 23 can also only bury end 21 lower limbs and form disjunct chamfering respectively in second, shown in Fig. 3 C; At least one second of above-mentioned different aspects intercept section 23 generation types, can cooperate suitable occasion to select, to save the flow process of making first support 10 (please refer to shown in Figure 2) and second support 20.
Then, please refer to shown in Fig. 4 A and Fig. 4 B, Fig. 4 A is the baffle area segment length configuration schematic top plan view of the lead frame structure of the utility model light-emitting diode; Fig. 4 B is the obstruct section configuration mode schematic top plan view of the lead frame structure of the utility model light-emitting diode.
Shown in Fig. 4 A, first support 10 be embedded in rubber base 30 first in bury that end 11 both sides form respectively at least one first intercept section 13, and second support 20 be embedded in rubber base 30 second in bury that end 21 both sides form respectively at least one second intercept section 23, it at least one first intercepts section 13 and at least one second length that intercepts section 23 can be random length or fixed numeric values, with cooperate the different size size first in bury and bury end 21 in the end 11 and second and carry out at least one first and intercept the configuration that section 13 and at least one second intercepts section 23.
In Fig. 4 A, at least one first obstruct section 13 that buries end 11 in first is the random length configuration, and at least one second obstruct section 23 that buries end 21 in second is the regular length configuration, only for illustrating, does not limit to application category of the present utility model with this at this.
Shown in Fig. 4 B, first support 10 be embedded in rubber base 30 first in bury that end 11 both sides form respectively at least one first intercept section 13, and second support 20 be embedded in rubber base 30 second in bury that end 21 both sides form respectively at least one second intercept section 23, it at least one first intercepts section 13 and at least one second configuration mode that intercepts section 23 and can be evenly distributed in and bury the edge that buries end 21 in the end 11 and second in first, or at least one first intercepts section 13 and at least one second and intercept section 23 and can be allocated in arbitrarily and bury the edge that buries end 21 in the end 11 and second in first.
In Fig. 4 B, bury at least one first of end 11 in first and intercept the configuration mode of section 13 for being evenly distributed, intercept the configuration mode of section 23 and bury at least one second of end 21 in second, only for illustrating, do not limit to application category of the present utility model with this at this for distributing arbitrarily.
Then, please refer to shown in Fig. 5 A, Fig. 5 B and Fig. 5 C, Fig. 5 A is the configuration depressed part schematic top plan view of the lead frame structure of the utility model light-emitting diode; Fig. 5 B and Fig. 5 C are the depressed part and obstruct section configuration mode schematic top plan view of the lead frame structure of the utility model light-emitting diode.
Shown in Fig. 5 A, first support 10 be embedded in rubber base 30 first in bury that end 11 both sides form respectively at least one first intercept section 13, and second support 20 be embedded in rubber base 30 second in bury that end 21 both sides form respectively at least one second intercept outside the section 23, also can first support 10 be embedded in rubber base 30 first in bury the end 11 both sides form at least one depressed part 12 respectively, and second support 20 be embedded in rubber base 30 second in bury end 21 both sides and form at least one depressed part 22 respectively, in first, bury bury at least one depressed part 12 and second that end 11 both sides institute forms respectively end 21 both sides respectively at least one depressed part 22 of formation also be embedded in and place in the rubber base 30.
Burying in first and burying at least one depressed part 22 that end 21 both sides institute forms respectively at least one depressed part 12 and second that end 11 both sides institute forms respectively is travel path usefulness in order to the increase aqueous vapor; and cooperate bury in first that end 11 both sides institute forms respectively at least one first intercept and bury end 21 both sides institute at least one second obstruct section 23 of formation respectively in the section 13 and second; more can effectively form protection to light-emitting diode (not illustrating among the figure); preventing that the water air infiltration from going into the luminous efficiency of the light-emitting diode that caused and descending, and the problem that causes led failure.
In Fig. 5 A, bury at least one depressed part 12 and at least one first obstruct section 13 that end 11 both sides institute forms respectively in first, with second in to bury at least one depressed part 221 and at least one second obstruct section 23 that end 21 both sides institute forms respectively be to be disposed in regular turn to rubber base 30 inside by rubber base 30 outsides, only for illustrating, do not limit to application category of the present utility model at this with this.
And bury at least one depressed part 12 and at least one first obstruct section 13 that end 11 both sides institute forms respectively in first, with second in bury at least one depressed part 22 and at least one second obstruct section 23 that end 21 two ends institute forms respectively and also can dispose in regular turn to rubber base 30 outsides by rubber base 30 inside, its configuration result please refer to shown in Fig. 5 B.
In addition, bury at least one depressed part 12 and at least one first obstruct section 13 that end 11 both sides institute forms respectively in first, with second in bury at least one depressed part 22 that end 21 both sides institute forms respectively and at least one second obstruct section 23 and also can present interconnectedly, its configuration result please refer to shown in Fig. 5 C.
Please refer to shown in Figure 6ly, Fig. 6 is that the depressed part configuration of the lead frame structure of the utility model light-emitting diode intercepts the section schematic top plan view; In first, bury end and bury at least one depressed part 12 and at least one depressed part 22 places that end 21 both sides institute forms respectively in 11 both sides and second, more can form at least one the 3rd at the edge of at least one depressed part 12 and at least one depressed part 22 and intercept section 121 and at least one the 3rd obstruct section 221.
When aqueous vapor when rubber base 30 and first support 10 or second support, 20 both sides slight void 31 (please refer to shown in Figure 1B) are infiltrated, in aqueous vapor is infiltrated to first, bury bury in the end 11 or second end 21 at least one depressed part 12 or at least one depressed part 22 form respectively at least one the 3rd intercept section 121 or at least one the 3rd when intercepting section 221, aqueous vapor then can intercept between the section 121 or the section of at least one the 3rd obstruct section 221 at least one the 3rd and form siphonage, aqueous vapor can be gathered at least one the 3rd thus intercepts between section 121 or at least one the 3rd obstruct section 221, more can make infiltrating that aqueous vapor can not continue again to light-emitting diode, the luminous efficiency that so promptly can effectively prevent light-emitting diode that aqueous vapor causes descends, and the problem of led failure.
In sum, difference between the utility model and the known technology is that the utility model forms this respectively and at least one first intercepts section in these both sides of burying end in first that this first support is embedded in this rubber base as can be known, and form this in these both sides of burying end in second that this second support is embedded in this rubber base respectively and at least one second intercept section, because this rubber base and this first support and this second support both sides can produce slight void respectively, aqueous vapor is slight void infiltration thus then, when aqueous vapor infiltrate bury in first to this bury in end both sides and this second that end both sides institute forms respectively should at least one first obstruct section and during this at least one second obstruct section, aqueous vapor then can this bury in first end this at least one first intercept bury end in section or this second should form siphonage between the section of at least one second obstruct section, aqueous vapor can be gathered in thus this bury in first end this at least one first intercept bury in section or this second end should at least one second obstruct section between, so that infiltrating of can not continuing again of aqueous vapor to light-emitting diode, the luminous efficiency that so promptly can effectively prevent light-emitting diode that aqueous vapor causes descends, and the problem of led failure.
The technological means lead frame structure that can solve the existing existing light-emitting diode of known technology can't effectively prevent the problem that aqueous vapor is infiltrated thus, and then the lead frame structure of reaching light-emitting diode effectively prevents the technology effect that aqueous vapor is infiltrated.
Though the described execution mode of the utility model as above, only described content is not in order to direct qualification rights protection scope of the present utility model.Have in the technical field under the utility model and know the knowledgeable usually, under the prerequisite that does not break away from the disclosed spirit and scope of the utility model, can do a little change in form and on the details what implement.Rights protection scope of the present utility model, still the content that must be defined with the claim scope of application is as the criterion.
Claims (11)
1. the lead frame of light-emitting diode structure is characterized in that, comprises:
One rubber base;
One first support has and buries end in one first and be embedded in this rubber base, and this buries affixed this light-emitting diode of end in first, and this buries the end both sides in first and is formed with at least one first respectively and intercepts section; And
One second support has and buries end in one second and be embedded in this rubber base, and this buries end in second and produces with this light-emitting diode and electrically connect, and this buries the end both sides in second and is formed with at least the second respectively and intercepts section.
2. the lead frame of light-emitting diode as claimed in claim 1 structure is characterized in that, wherein first of this first support obstruct section is a chamfering.
3. the lead frame of light-emitting diode as claimed in claim 1 structure is characterized in that, wherein second of this second support obstruct section is a chamfering.
4. the lead frame of light-emitting diode as claimed in claim 1 structure is characterized in that, wherein the length of those first obstruct sections is identical, and the length of those second obstruct sections is identical.
5. the lead frame of light-emitting diode as claimed in claim 1 structure is characterized in that, those first length differences that intercept sections wherein, those second length differences that intercept sections.
6. the lead frame of light-emitting diode as claimed in claim 1 structure is characterized in that, wherein those first obstruct sections are to be evenly distributed in this first bracket edge, and those second obstruct sections are to be evenly distributed in this second bracket edge.
7. the lead frame of light-emitting diode as claimed in claim 1 structure is characterized in that, wherein bury in first of this first support end and this second support second in bury the end both sides and be formed with at least one depressed part.
8. the lead frame of light-emitting diode as claimed in claim 7 structure is characterized in that, wherein this depressed part and those first and second obstruct section are to be disposed in regular turn to this rubber base inside by this rubber base outside.
9. the lead frame of light-emitting diode as claimed in claim 7 structure is characterized in that, wherein those depressed parts and those first and second obstruct section are to be disposed in regular turn to this rubber base outside by this rubber base inside.
10. the lead frame of light-emitting diode as claimed in claim 7 structure is characterized in that, wherein those depressed parts and those first and second obstruct section are interconnected in this rubber base inside.
11. the lead frame of light-emitting diode as claimed in claim 7 structure is characterized in that, wherein is formed with at least one the 3rd in this depressed part and intercepts section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202677618U CN201523026U (en) | 2009-10-21 | 2009-10-21 | Lead frame configuration of light-emitting diode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202677618U CN201523026U (en) | 2009-10-21 | 2009-10-21 | Lead frame configuration of light-emitting diode |
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| Publication Number | Publication Date |
|---|---|
| CN201523026U true CN201523026U (en) | 2010-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202677618U Expired - Fee Related CN201523026U (en) | 2009-10-21 | 2009-10-21 | Lead frame configuration of light-emitting diode |
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| CN (1) | CN201523026U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102386317A (en) * | 2010-09-01 | 2012-03-21 | 富士康(昆山)电脑接插件有限公司 | Lead frame combination of light-emitting diode |
| CN102683552A (en) * | 2012-05-04 | 2012-09-19 | 佛山市蓝箭电子有限公司 | Surface mount light-emitting diode (LED) with waterproof function and bracket thereof |
-
2009
- 2009-10-21 CN CN2009202677618U patent/CN201523026U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102386317A (en) * | 2010-09-01 | 2012-03-21 | 富士康(昆山)电脑接插件有限公司 | Lead frame combination of light-emitting diode |
| CN102683552A (en) * | 2012-05-04 | 2012-09-19 | 佛山市蓝箭电子有限公司 | Surface mount light-emitting diode (LED) with waterproof function and bracket thereof |
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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: 20100707 Termination date: 20161021 |