CN205563015U - Backlight tool of lighting a lamp - Google Patents
Backlight tool of lighting a lamp Download PDFInfo
- Publication number
- CN205563015U CN205563015U CN201620367358.2U CN201620367358U CN205563015U CN 205563015 U CN205563015 U CN 205563015U CN 201620367358 U CN201620367358 U CN 201620367358U CN 205563015 U CN205563015 U CN 205563015U
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- Prior art keywords
- backlight
- drive circuit
- framework
- hollow
- pressing
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- 238000001514 detection method Methods 0.000 abstract description 14
- 238000007689 inspection Methods 0.000 abstract description 3
- 241000251468 Actinopterygii Species 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
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- 230000006872 improvement Effects 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
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- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
The utility model provides a backlight tool of lighting a lamp, it is including a supporting bench, around propping up supporting bench pressfitting framework and energizing device all around, and wherein, rotatable being connected of pivot is passed through with a supporting bench to the pressfitting framework, and the pressfitting framework supports the backlight with a supporting bench jointly when the level sets up, perhaps, the pressfitting framework is centering on when the pivot was raiseed for a supporting bench slope, the backlight inclined to raise thereupon together, be provided with the pressfitting switch in the pressfitting framework for switch -on or disconnection backlight and energizing device, energizing device is used for lighting the backlight. The utility model provides a backlight tool of lighting a lamp, its convenience, detection efficiency that not only can improve the operation compares with current tool moreover, and the light emitting area that can also avoid backlight when lighting a lamp the inspection is by fish tail, pollution scheduling problem, and the back that lights a lamp in a poor light, when being shaded the back, the inspection can avoid the circuit board to lose.
Description
Technical field
This utility model relates to showing that module backlight checks field, in particular it relates to a kind of
Backlight lighting jig.
Background technology
Existing liquid crystal module generally uses the backlight of side entering type, and provides bright by LED
Degree.LED is attached on backboard by adhesive tape, and its light sent is propagated forward through light guide plate.
When running into site figure (pattern) bottom light guide plate, the total reflection of light can be destroyed,
And then propagate from light guide plate upper surface, light breaing up and converging through diaphragm, become highly uniform,
Such that it is able to provide uniform brightness for liquid crystal panel.
When the dot surface of light guide plate exist cull etc. bad time, whole backlight will present white
Point is bad, in such a case, it is possible to utilize backlight lighting jig to light the backlight of backlight
Source, and artificial pressing detection.Part white point can be detected by the pressing in the front of backlight,
But after relying only on front pressing, front checks and cannot detect all of white point completely, also needs for this
To detect at the back side (reflector plate side) of backlight, thus can check well
This badness.Some client such as Samsung, the DELL etc. of BOE requires to examine from backlight side simultaneously
When looking into bad without white point.
But, current backlight lighting jig can only be to the one side (back or front) of backlight
Carry out the detection that white point is bad, if desired flip displays backlight, can only be by backlight from tool
Upper separation, and overturn backlight, this not only operates inconvenience, and in the process of upset backlight
In, easily cause circuit board (such as FPC) injured, may also result in sending out of backlight simultaneously
Bright finish is scratched, pollutes.
Utility model content
This utility model is intended at least to solve one of technical problem present in prior art, proposes
A kind of backlight lighting jig, it is possible not only to improve the convenience of operation, detection efficiency,
But also circuit board injured can be avoided, the problem such as the light-emitting area of backlight is scratched.
A kind of backlight lighting jig is provided, including supporting for realizing the purpose of this utility model
Platform, the pressing framework being looped around described support platform surrounding and power device, wherein, described pressure
Closing framework to be connected by pivot is rotating with described support platform, described pressing framework sets in level
When putting, jointly support described backlight with described support platform；Or, described pressing framework is being enclosed
When described pivot tilts to start relative to described support platform, described backlight is made to incline the most together
Tiltedly start；Described pressing framework is provided with pressed switch, is used for being switched on or switched off the described back of the body
Light source and described power device；Described power device is used for lighting described backlight.
Preferably, described backlight includes the hollow-out parts for the bare membrane material zone of action, with
And it is looped around the non-hollow-out parts of described hollow-out parts surrounding；Described support platform includes the first loading end,
Described first loading end is when described pressing framework is horizontally disposed with, with the inner ring of described non-hollow-out parts
Part fits；Further, described first loading end is provided with boss, described boss upper
The profile on surface matches with the profile of the described film material zone of action, and at described pressing framework water
Flat when arranging, described boss is embedded in described hollow-out parts, and the upper surface of described boss with
The described film material zone of action fits；Described pressing framework includes the second loading end, described second
Loading end, when described pressing framework is horizontally disposed with, is affixed with the outer perimeter section of described non-hollow-out parts
Close.
Preferably, described backlight includes the hollow-out parts for the bare membrane material zone of action, with
And it is looped around the non-hollow-out parts of described hollow-out parts surrounding；Described support platform is at described pressing framework water
Flat when arranging, it is embedded in described hollow-out parts, and described support platform includes the first loading end,
The profile of described first loading end matches with the profile of the described film material zone of action, and described
One loading end fits with the described film material zone of action；Described pressing framework includes the second carrying
Face, described second loading end is when described pressing framework is horizontally disposed with, with whole described non-hollow out
Portion fits.
Preferably, the inner rim at the upper surface of described pressing framework is surrounded with annular recessed
Groove, the bottom surface of described annular groove is used as described second loading end.
Preferably, described backlight lighting jig also includes multiple supporting leg, is used for supporting described
Support platform.
Preferably, the bottom of each described supporting leg is provided with sucker, in order to use vacuum
The mode of absorption fixes described support platform.
Preferably, described pressed switch includes pressing arm and bracing frame, wherein, described
Support is fixed in described pressing framework；Described pressing arm and the rotating company of support frame as described above
Connect, and described pressing arm includes fixing end fixed relative to support frame as described above, and
The movable end rotated relative to support frame as described above, wherein, described fixing end and described power device
Electrical connection；Described movable end is turned on or off by rotating the outer lead interface with described backlight.
Preferably, described power device includes power supply, transformator, selection switch, first drives
Galvanic electricity road, the second drive circuit and the 3rd drive circuit, wherein, described transformator and described electricity
Source electrically connects；Described first drive circuit, the second drive circuit and the 3rd drive circuit are the most also
Connection, and select switch to connect with described；Described selection switchs for optionally by described transformation
Device is connected with described first drive circuit, the second drive circuit or the 3rd drive circuit；Described
First drive circuit is used for realizing normal current and lights described backlight；Described second drive circuit
Described backlight is lighted for realizing low current；Described 3rd drive circuit is used for disconnecting described change
Depressor and described backlight.
Preferably, described selection switch include three kinds of colors or variform first button,
Second button and the 3rd button, wherein, described first button is used for connecting described transformator and institute
State the first drive circuit；Described second button is used for connecting described transformator and drives with described second
Circuit；Described 3rd button is used for connecting described transformator and described 3rd drive circuit.
This utility model has the advantages that
The backlight lighting jig that this utility model provides, it is by by pressing framework and support platform
By the rotating connection of pivot, can make when the front of backlight is carried out pressing detection
Pressing framework is horizontally disposed with, and jointly to support backlight with support platform, makes the back of the body of whole backlight
Face can fit tightly with tool；When the front of backlight is carried out pressing detection, by pressing frame
Body tilts to start relative to supporting platform, makes backlight tilt to start the most together, to manifest the back of the body
The back side of light source, it is possible to achieve the back side of backlight checks.As such, it is possible on same tool
Realize the detection to the front and back of backlight, thus be possible not only to improve operation convenience,
Detection efficiency, but also circuit board injured can be avoided, the light-emitting area of backlight is scratched, dirty
The problems such as dye.
Accompanying drawing explanation
The top view of the backlight lighting jig that Fig. 1 provides for this utility model embodiment；
Fig. 2 is the sectional view of line A-A along Fig. 1；
Fig. 3 is the structure schematic diagram of backlight；
Fig. 4 is the backlight lighting jig structural representation when pressing framework is horizontally disposed with in Fig. 1
Figure；
Fig. 5 is that in Fig. 1, backlight lighting jig tilts structural representation when starting in pressing framework
Figure；
Fig. 6 is the theory diagram of the power device that this utility model embodiment uses；And
The backlight lighting that the variant embodiment that Fig. 7 is this utility model embodiment provides is controlled
The sectional view of tool.
Detailed description of the invention
For making those skilled in the art be more fully understood that the technical solution of the utility model, under
The backlight lighting jig that face combines accompanying drawing and provides this utility model is described in detail.
Seeing also Fig. 1-Fig. 5, backlight includes engraving for the bare membrane material zone of action
Sky portion 101, and it is looped around the non-hollow-out parts 100 of this hollow-out parts 101 surrounding.It is to say,
The edge of the bottom of film material is carried by the non-hollow-out parts 100 of backlight, and the center of film material
Territory then reveals from hollow-out parts 101.
Backlight lighting jig includes supporting platform 1, being looped around the pressing framework supporting platform 1 surrounding
2 and power device (not shown), wherein, pressing framework 2 is passed through with supporting platform 1
The rotating connection of pivot 4, so that pressing framework 2 can be horizontally disposed with, or also may be used
To lift certain angle by rotating relative to supporting platform 1.When pressing framework 2 is horizontally disposed with
Time, as shown in Figure 4, pressing framework 2 supports backlight jointly with supporting platform 1, the most permissible
The front of backlight is carried out pressing detection.Or, when pressing framework 2 is relative around pivot 4
In time supporting platform 1 and tilt to start, incline together as it is shown in figure 5, pressing framework 2 carries backlight
Tiltedly start, to manifest the back side of backlight, now this back side can be detected.
The backlight lighting jig that this utility model embodiment provides can be real on same tool
After front pressing now, the carrying out to the front and back of backlight detects, thus is possible not only to carry
The convenience of high operation, detection efficiency, but also circuit board injured, backlight can be avoided
The problems such as light-emitting area is scratched, pollution.
In the present embodiment, support platform 1 and include the first loading end 12, this first loading end 12
When pressing framework 2 is horizontally disposed with, it is affixed with the inner round portion of the non-hollow-out parts 100 of backlight
Close.It is to say, the outer profile size of the first loading end 12 is less than the non-hollow-out parts of backlight
The outer profile size of 100, thus the first loading end 12 only carries its of non-hollow-out parts 100
A middle part, i.e. near the inner round portion of its Internal periphery.
And, as in figure 2 it is shown, be provided with boss 11 on the first loading end 12, this boss
The profile of the profile of the upper surface 111 of 11 and the film material zone of action (or hollow-out parts 101
Profile) match, and when pressing framework 2 is horizontally disposed with, this boss 11 is embedded in be engraved
In sky portion 101, and the upper surface of boss 11 fits with the film material zone of action, i.e. convex
The height of platform 11 and the consistency of thickness of backlight.By boss 11, support platform 11 can be made
Directly contact with the film layer bottom surface in backlight, thus when carrying out pressing detection, can make
Diaphragm fits tightly with tool, and in film, bad being prone to displays, such that it is able to more effectively enter
Row pressing detection.
Additionally, pressing framework 2 includes the second loading end 211, this second loading end 211 is in pressure
When conjunction framework 2 is horizontally disposed with, fit with the outer perimeter section of non-hollow-out parts 100.It is to say,
The outer profile size of the second loading end 211 is not less than the outline of the non-hollow-out parts 100 of backlight
Size, thus the second loading end 211 only carries wherein another part of non-hollow-out parts 100,
That is, near the outer perimeter section of its outline.
Preferably, the inner rim at the upper surface of pressing framework 2 is surrounded with annular groove
21, the bottom surface of this annular groove 21 is used as above-mentioned second loading end 211, and annular groove 21 can
To play the positioning action to backlight, backlight can be avoided to offset simultaneously.Certainly, in reality
In the application of border, it is also possible to be not provided with annular groove 21, and only by the upper surface of pressing framework 2
As above-mentioned second loading end.
Additionally, it is preferred that, backlight lighting jig also includes multiple supporting leg 5, is used for supporting
Support platform 1.By supporting leg 5, support platform 1 can be made and for placing backlight lighting jig
Workbench between be separated from each other, i.e. support platform 1 bottom and workbench between have bigger
Difference in height, thus operator during backlight lighting jig picks and places backlight,
Finger can be avoided to touch the light-emitting area of backlight, cause light-emitting area spot.Further preferably
, the bottom of each supporting leg 5 is provided with sucker 51, in order to use the side of vac sorb
It is fixing on the table that formula will support platform 1, such that it is able to improve stablizing of backlight lighting jig
Property.
In the present embodiment, pressing framework 2 is provided with pressed switch 3, for connect or
Disconnect backlight and power device.This power device is used for lighting backlight, with to the back of the body after pressing
Front or the back side of light source are detected.In the present embodiment, as shown in Figure 4, pressing is opened
Closing 3 and include pressing arm 31 and bracing frame 32, wherein, bracing frame 32 is fixed on pressing frame
On body 2；Pressing arm 31 is rotating with bracing frame 32 to be connected, and pressing arm 31 wraps
Include fixing end fixed relative to bracing frame 32 (i.e. away from the one of backlight position
End), and relative to bracing frame 32 rotate movable end (i.e. near backlight position
One end), wherein, fixing end electrically connecting with power device.Movable end is by rotating and backlight
The outer lead interface 102 in source is turned on or off.
When needs pick and place backlight from backlight lighting jig, make the activity of pressing arm 31
The outer lead interface 102 with backlight is held to disconnect, to avoid pressing arm 31 to hinder backlight
Pick and place.When needs carry out pressing detection to backlight, make movable end and the back of the body of pressing arm 31
The outer lead interface 102 of light source turns on, and now backlight conducts with power device, backlight
It is lit.
Fig. 6 is the theory diagram of the power device that this utility model embodiment uses.Refer to figure
6, power device includes power supply 61, transformator 62, selects switch the 63, first drive circuit
64, the second drive circuit 65 and the 3rd drive circuit 66.Wherein, transformator 62 and power supply
61 electrical connections, transformator 62 is for by the alternating current 220V photovoltaic conversion provided by power supply 61 being
Direct current 12V voltage.First drive circuit the 64, second drive circuit 65 and the 3rd drive circuit
66 is parallel with one another, and connects with selecting switch 63.Wherein, the first drive circuit 64 is for real
Existing normal current lights backlight；Second drive circuit 65 is used for realizing low current and lights backlight；
3rd drive circuit 66 is for disconnecting the circuit between transformator 62 and backlight 67.Selection is opened
Close 63 for optionally by transformator 62 and first drive circuit the 64, second drive circuit
65 or the 3rd drive circuit 66 connect.
When selecting switch 63 selection to be connected with the first drive circuit 64 by transformator 62, the
One drive circuit 64 provides normal current to backlight, i.e. make the brightness of backlight show normally
Time required electric current.When selecting switch 63 selection by transformator 62 and the second drive circuit
During 65 series connection, the second drive circuit 65 provides low current to backlight, i.e. make backlight
Electric current required when brightness is the most dark.When selecting switch 63 selection by transformator 62 and the
When three drive circuits 66 are connected, the circuit between transformator 62 and backlight 67 is disconnected, this
Time backlight do not work, to carry out the follow-up operation taking out backlight.
In actual applications, respectively can in the first drive circuit 64 and the second drive circuit 65
With the size of current provided to backlight by arranging the resistance of different resistance to set.It addition,
Preferably, respectively rectifying and wave-filtering is set in the first drive circuit 64 and the second drive circuit 65
Device, in order to the voltage stabilization that will export from transformator 62 at 12V.
Preferably, select switch 63 include three kinds of colors or variform first button, the
Two buttons and the 3rd button (be in figure and illustrate), wherein, the first button is used for connecting transformation
Device 62 and the first drive circuit 64；Second button is used for connecting transformator 62 and second and drives
Circuit 65；3rd button is used for connecting transformator 62 and the second drive circuit 66.Certainly, choosing
Select switch 63 and can also use other arbitrary structures, such as, can be toggle switch, by dialling
Dynamic mode is optionally by transformator 62 and first drive circuit the 64, second drive circuit 65
Or the 3rd drive circuit 66 is connected.
As a variant embodiment of the present embodiment, Fig. 7 is the one of this utility model embodiment
The sectional view of the backlight lighting jig that individual variant embodiment provides.Refer to Fig. 7, this modification
The backlight lighting jig that embodiment provides is compared with above-described embodiment, and it differs only in:
Support platform 1 itself forms boss 11 ' and is embedded in the hollow-out parts 101 of backlight, and backlight
The whole bottom surface of non-hollow-out parts 100 only supported by its second loading end 211.
Specifically, when pressing framework 2 is horizontally disposed with, convex by support that platform 1 itself formed
Platform 11 ' is embedded in the hollow-out parts 101 of backlight, now the upper surface 111 ' of boss 11 '
As above-mentioned first loading end, this first loading end (i.e. the upper surface 111 ' of boss 11 ')
Profile match with the profile of the film material zone of action in backlight, and the first loading end and film
The material zone of action fits.Pressing framework 2 includes the second loading end 211, this second loading end
211 when pressing framework is horizontally disposed with, and fits with whole non-hollow-out parts 100, and supports platform
1 no longer plays the effect supporting non-hollow-out parts 100.
In sum, the backlight lighting jig that this utility model embodiment provides can be same
Realize on tool after the pressing of front to backlight the inspection of front and back, thus not only may be used
To improve the convenience of operation, detection efficiency, but also circuit board injured, backlight can be avoided
The problems such as the light-emitting area in source is scratched, pollution.
It is understood that embodiment of above is merely to illustrate that principle of the present utility model
And the illustrative embodiments used, but this utility model is not limited thereto.For ability
For those of ordinary skill in territory, in the situation without departing from spirit of the present utility model and essence
Under, various modification and improvement can be made, these modification and improvement are also considered as of the present utility model
Protection domain.
Claims (9)
1. a backlight lighting jig, it is characterised in that include supporting platform, being looped around institute
State and support the pressing framework of platform surrounding and power device, wherein,
Described pressing framework is connected by pivot is rotating with described support platform, described pressing frame
Body, when being horizontally disposed with, supports described backlight jointly with described support platform；Or, described pressure
Conjunction framework, when tilting to start around described pivot relative to described support platform, makes described backlight
Tilt to start the most together；
Described pressing framework is provided with pressed switch, is used for being switched on or switched off described backlight
With described power device；
Described power device is used for lighting described backlight.
Backlight lighting jig the most according to claim 1, it is characterised in that described
Backlight includes the hollow-out parts for the bare membrane material zone of action, and is looped around described hollow-out parts
The non-hollow-out parts of surrounding；
Described support platform includes the first loading end, and described first loading end is in described pressing framework
When being horizontally disposed with, fit with the inner round portion of described non-hollow-out parts；Further, described first
Boss, the profile of the upper surface of described boss and the described film material zone of action it is provided with on loading end
Profile match, and when described pressing framework is horizontally disposed with, described boss is embedded in described
In hollow-out parts, and the upper surface of described boss fits with the described film material zone of action；
Described pressing framework includes the second loading end, and described second loading end is at described pressing frame
When body is horizontally disposed with, fit with the outer perimeter section of described non-hollow-out parts.
Backlight lighting jig the most according to claim 1, it is characterised in that described
Backlight includes the hollow-out parts for the bare membrane material zone of action, and is looped around described hollow-out parts
The non-hollow-out parts of surrounding；
Described support platform, when described pressing framework is horizontally disposed with, is embedded in described hollow-out parts,
And described support platform includes the first loading end, the profile of described first loading end and described film material
The profile of the zone of action matches, and described first loading end is affixed with the described film material zone of action
Close；
Described pressing framework includes the second loading end, and described second loading end is at described pressing frame
When body is horizontally disposed with, fit with whole described non-hollow-out parts.
4. according to the backlight lighting jig described in Claims 2 or 3, it is characterised in that
Inner rim at the upper surface of described pressing framework is surrounded with annular groove, and described annular is recessed
The bottom surface of groove is used as described second loading end.
5. according to the backlight lighting jig described in claim 1-3 any one, its feature
Being, described backlight lighting jig also includes multiple supporting leg, is used for supporting described support platform.
Backlight lighting jig the most according to claim 5, it is characterised in that often
The bottom of individual described supporting leg is provided with sucker, and the mode in order to use vac sorb is fixing described
Support platform.
7. according to the backlight lighting jig described in claim 1-3 any one, its feature
Being, described pressed switch includes pressing arm and bracing frame, wherein,
Support frame as described above is fixed in described pressing framework；
Described pressing arm is rotating with support frame as described above to be connected, and described pressing arm bag
Include fixing end fixed relative to support frame as described above, and rotate relative to support frame as described above
Movable end, wherein, described fixing end electrically connects with described power device；Described movable end leads to
Cross the outer lead interface rotated with described backlight to be turned on or off.
8. according to the backlight lighting jig described in claim 1-3 any one, its feature
Be, described power device include power supply, transformator, selection switch, the first drive circuit,
Second drive circuit and the 3rd drive circuit, wherein,
Described transformator electrically connects with described power supply；
Described first drive circuit, the second drive circuit and the 3rd drive circuit are parallel with one another,
And select switch to connect with described；
Described selection switchs for optionally described transformator being driven electricity with described first
Road, the second drive circuit or the series connection of the 3rd drive circuit；
Described first drive circuit is used for realizing normal current and lights described backlight；
Described second drive circuit is used for realizing low current and lights described backlight；
Described 3rd drive circuit is used for disconnecting described transformator and described backlight.
Backlight lighting jig the most according to claim 8, it is characterised in that described
Three kinds of colors or variform first button, the second button and the 3rd are pressed to select switch to include
Button, wherein,
Described first button is used for connecting described transformator and described first drive circuit；
Described second button is used for connecting described transformator and described second drive circuit；
Described 3rd button is used for connecting described transformator and described 3rd drive circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620367358.2U CN205563015U (en) | 2016-04-27 | 2016-04-27 | Backlight tool of lighting a lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620367358.2U CN205563015U (en) | 2016-04-27 | 2016-04-27 | Backlight tool of lighting a lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205563015U true CN205563015U (en) | 2016-09-07 |
Family
ID=56808041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620367358.2U Expired - Fee Related CN205563015U (en) | 2016-04-27 | 2016-04-27 | Backlight tool of lighting a lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205563015U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108820454A (en) * | 2018-07-19 | 2018-11-16 | 合肥福映光电有限公司 | A kind of Anti-stopping fixture for preventing diaphragm from shifting |
| CN109597247A (en) * | 2019-02-19 | 2019-04-09 | 京东方科技集团股份有限公司 | Display panel, backlight and its means for correcting |
-
2016
- 2016-04-27 CN CN201620367358.2U patent/CN205563015U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108820454A (en) * | 2018-07-19 | 2018-11-16 | 合肥福映光电有限公司 | A kind of Anti-stopping fixture for preventing diaphragm from shifting |
| CN109597247A (en) * | 2019-02-19 | 2019-04-09 | 京东方科技集团股份有限公司 | Display panel, backlight and its means for correcting |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160907 |
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| CF01 | Termination of patent right due to non-payment of annual fee |