CN106645452B - The glass bushing pipe of gas chromatograph and gas chromatograph-mass spectrometer removes device and removing method - Google Patents
The glass bushing pipe of gas chromatograph and gas chromatograph-mass spectrometer removes device and removing method Download PDFInfo
- Publication number
- CN106645452B CN106645452B CN201610883831.7A CN201610883831A CN106645452B CN 106645452 B CN106645452 B CN 106645452B CN 201610883831 A CN201610883831 A CN 201610883831A CN 106645452 B CN106645452 B CN 106645452B
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- Prior art keywords
- bushing pipe
- gas chromatograph
- screw rod
- injection port
- glass bushing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
Abstract
The invention discloses the glass bushing pipes of a kind of gas chromatograph and gas chromatograph-mass spectrometer to remove device, including cylinder, it is set in the cylinder along the axially slidable screw rod of the cylinder and locking member, the cylinder includes the injection port fixed part of bottom end, there are two the locking plates for the arc being oppositely arranged for screw rod one end connection, the locking plate inner surface is elastic material, and the locking member is close to each other with the locking plate and draws close two locking plates mutually.The invention also discloses a kind of gas chromatograph and the glass bushing pipe removing methods of gas chromatograph-mass spectrometer.It is removed on device by the way that injection port installation part is fixed on glass bushing pipe, is locked at glass lined pipe outer wall using locking plate, then pass through the movement separation of glasses bushing pipe of screw rod, glass bushing pipe can intactly take out from GC and GC-MS injection port.
Description
Technical field
The present invention relates to the glass lineds of display panel production field more particularly to a kind of gas chromatograph and gas chromatograph-mass spectrometer
Pipe removes device and removing method.
Background technique
TFT-LCD (Thin film transistor-liquid crystal display, i.e. Thin Film Transistors-LCD
Display) it is to show good display in comprehensive performances such as brightness, contrast, power consumption, service life, volume and weights at present
Part, its function admirable, large-scale production characteristic be good, high degree of automation, and development space is wide, has gradually occupied aobvious
Show the leading position in device field.
For the raw material of the production such as liquid crystal and stripper TFT-LCD, laboratory often utilizes gas chromatograph (GC) gentle
Matter combined instrument (GC-MS) carries out the analysis test of liquid crystal, stripper and various solvents, such as tests each component content, the liquid of liquid crystal
Brilliant purity, liquid crystal mass spectrum, liquid crystal pollution, stripper ingredient and content, various solvent compositions and concentration analysis etc..In GC and GC-
In the use of MS and maintenance process, often it is related to the replacement and maintenance of glass bushing pipe.Glass bushing pipe is installed often through O-ring seals
In injection port, when taking out glass bushing pipe from GC and GC-MS injection port at present, need to press from both sides out directly up using tweezers, but because
Rubber seal O-ring on glass bushing pipe generates cementation with the steel at injection port after high temperature, and it is more difficult by glass to cause
Glass bushing pipe takes out, and easily in tweezers holding position that expensive glass lined pipe clamp is bad, and reliability is low.
Summary of the invention
In view of the shortcomings of the prior art, the present invention provides a kind of applied to gas chromatograph and gas chromatograph-mass spectrometer
Glass bushing pipe removes device and removing method, can be intact from the taking-up of GC and GC-MS injection port by glass bushing pipe, reduces
The loss cost of glass bushing pipe.
In order to achieve the above purpose, present invention employs the following technical solutions:
The glass bushing pipe of a kind of gas chromatograph and gas chromatograph-mass spectrometer removes device, including cylinder, is set in the cylinder
Along the axially slidable screw rod of the cylinder and locking member, the cylinder includes the injection port fixed part of bottom end, the screw rod
There are two the locking plate of arc being oppositely arranged, the locking plate inner surface is elastic material for one end connection, the locking member and
The locking plate is close to each other and draws close two locking plates mutually.
As one of embodiment, the locking member is bushing pipe lock nut, and the cylinder includes being opened in barrel
The nut adjustment hole of the upper correspondence bushing pipe lock nut；Close to the locking plate in the bushing pipe lock nut and the screw rod
Threaded one end cooperation, rotating the bushing pipe lock nut may tighten or loosen the locking plate.
As one of embodiment, the locking member be in the cylinder, it is relatively-stationary with the cylinder
Annular boss, during the screw rod slides axially along the cylinder, locking plate described in the annular boss clamp or release.
As one of embodiment, the cylinder includes guiding with first screw rod at injection port fixed part interval
Portion, the first screw rod guide portion are the diaphragm structure that middle part offers the first guide groove.
As one of embodiment, the cylinder further includes the second screw rod guide portion on top, second screw rod
Guide portion is the diaphragm structure that middle part offers the second guide groove.
As one of embodiment, the locking plate includes the elastic cushion of inner surface setting.
As one of embodiment, the injection port fixed part is the internal screw thread of the cylinder.
As one of embodiment, the injection port fixed part is clamping device.
As one of embodiment, the glass bushing pipe of the gas chromatograph and gas chromatograph-mass spectrometer removes device also
Including screw rod adjustment gear interconnected and rotating handles, the screw rod is equipped with the item cooperated with the screw rod adjustment gear
The sawtooth portion of shape, the rotating handles extend to outside the cylinder.
Another object of the present invention is to provide a kind of gas chromatograph and the glass bushing pipe removing method of gas chromatograph-mass spectrometer,
Include:
Glass bushing pipe is removed into device lower end aligned injection port installation part；
Injection port fixed part and injection port installation part is relatively fixed；
Screw rod is moved down, until locking plate is located at glass bushing pipe periphery；
The relative position of locking member and locking plate is adjusted, until locking plate clamps glass bushing pipe；
Screw rod is moved up, glass bushing pipe is taken out of from injection port installation part；
Injection port installation part is removed from injection port fixed part；
The relative position for adjusting locking member and locking plate makes locking plate unclamp glass bushing pipe.
The present invention is removed on device by the way that injection port installation part is fixed on glass bushing pipe, is locked at glass using locking plate
Bushing pipe outer wall, then pass through the movement separation of glasses bushing pipe of screw rod, glass bushing pipe can be intactly from GC and GC-MS injection port
It takes out.
Detailed description of the invention
Fig. 1 is that the glass bushing pipe of the embodiment of the present invention 1 removes the use state diagram of device.
Fig. 2 is the structural schematic diagram that the glass bushing pipe of the embodiment of the present invention 1 removes the cylinder of device.
Fig. 3 is the structural schematic diagram that the glass bushing pipe of the embodiment of the present invention 1 removes the screw rod of device.
Fig. 4 be Fig. 3 A to perspective structure schematic diagram.
Fig. 5 be Fig. 3 B to perspective structure schematic diagram.
Fig. 6 be Fig. 3 C to structural schematic diagram.
Fig. 7 is the screw rod adjustment gear of the embodiment of the present invention 1 and the structural schematic diagram of rotating handles.
Fig. 8 is a part of process schematic that the glass bushing pipe of the embodiment of the present invention 1 removes.
Fig. 9 is another part process schematic that the glass bushing pipe of the embodiment of the present invention 1 removes.
Figure 10 is the locking process schematic that the glass bushing pipe of the embodiment of the present invention 2 removes the locking plate of device.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further described.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and do not have to
It is of the invention in limiting.
The glass bushing pipe of gas chromatograph and gas chromatograph-mass spectrometer of the invention remove device include cylinder, be set in cylinder and
Along the axially slidable screw rod of cylinder and the intracorporal locking member of cylinder, cylinder includes the injection port fixed part of bottom end, screw rod one end
There are two the locking plate for the arc being oppositely arranged, locking plate inner surface is the bullet for being engaged with injection port installation part for connection
Property material, draw close two locking plates mutually by locking member and the close to each other of locking plate, with this reach it is lossless clamp it is easy
The effect of broken glass bushing pipe.It is illustrated below in conjunction with specific embodiment.
Embodiment 1
Refering to fig. 1~3, the locking member of the present embodiment is bushing pipe lock nut.Glass bushing pipe remove device include cylinder 3 with
And screw rod 4 and bushing pipe lock nut 5 in cylinder 3, one end of bushing pipe lock nut 5 and locking plate 41 close on screw rod 4
It is threadedly engaged, rotation bushing pipe lock nut 5 may tighten or loosen locking plate 41.
As shown in Fig. 2, the first spiral shell that cylinder 3 includes the injection port fixed part 31 of bottom end, is spaced with injection port fixed part 31
In bar guide portion 32 and the barrel being opened between injection port fixed part 31 and the first screw rod guide portion 32, correspond to bushing pipe locking
The nut adjustment hole 33 of nut 5；Bushing pipe lock nut 5 is threadedly engaged with screw rod 4, and screw rod 4 is arranged in the first screw rod guide portion 32
It is interior, and bushing pipe lock nut 5 is set between injection port fixed part 31 and the first screw rod guide portion 32；In conjunction with Fig. 3~6, screw rod 4 with
One end that bushing pipe lock nut 5 cooperates is hollow and connection there are two the locking plate 41 of arc being oppositely arranged, two locking plates 41
Between form notch 410, the inner surface of locking plate 41 is equipped with elastic cushion 42, stirs bushing pipe lock nut by nut adjustment hole 33
5, towards 41 1 end motion of locking plate, can be such that two locking plates 41 mutually draw close, reversely stir bushing pipe lock nut 5, then two locks
Stator 41 sets back.
Since general injection port installation part 1 usually has external thread structure, the injection port fixed part of the present embodiment
31 be the internal screw thread of 3 inner wall of end of cylinder, for the cooperation of the injection port installation part 1 of glass bushing pipe 2 to injection port installation part 1 into
Row is fixed.It is understood that in other embodiments, injection port fixed part 31 is also possible to individually designed clamping machine
Structure, as clamping face is spliced by two semi-circular fixture blocks to match with the outer wall shape of glass bushing pipe.
The screw rod 4 of the present embodiment is only being provided with external screw thread 40 close to 41 one end of locking plate, to match with bushing pipe lock nut 5
It closes, it will be understood that this section of externally threaded length answers long enough, so that bushing pipe lock nut 5 rotates the clamping of realization locking plate 41
And release.Wherein, each locking plate 41 is preferably by with higher-strength, the stronger outer layer of elastic-restoring force (such as steel disc material)
One layer of elastic cushion 42 is arranged with outer layer inner surface to be combined, allows the locking plate 41 in the extruding of bushing pipe lock nut 5
Under mutually draw close, and frangible glass bushing pipe 2 is flexible is bonded, and can also be natural after the extruding force of bushing pipe lock nut 5 removes
It opens.
Here, bushing pipe lock nut 5 includes under stirring the upper semisection in face with damping and entering for two locking plates 41
Half section, the internal diameter of the lower semisection is slightly larger than the sum of the internal diameter of glass bushing pipe and thickness of locking plate 41.
Cylinder 3 includes the first screw rod guide portion 32 being spaced with injection port fixed part 31, during the first screw rod guide portion 32 is
Portion offers the diaphragm structure of the first guide groove 320.In addition, the top of cylinder 3 also has 32 ' of the second screw rod guide portion, the second spiral shell
32 ' of bar guide portion is also the diaphragm structure that middle part offers 320 ' of the second guide groove.Screw rod 4 is threaded through the first screw rod guide portion simultaneously
In the first screw rod guide portion 32 of 32 and 32 ' of the second screw rod guide portion, 32 ' of the second screw rod guide portion, so that the axial fortune of screw rod 4
Move it is more stable, always in axle center without skew.
Such as Fig. 7, the glass bushing pipe of the present embodiment, which removes device, also has screw rod regulating mechanism, and screw rod regulating mechanism includes phase
The screw rod adjustment gear 6 and rotating handles 7 to connect is equipped with the sawtooth of the bar shaped cooperated with screw rod adjustment gear 6 on screw rod 4
Portion 45, it is outer to facilitate rotation process that rotating handles 7 extend to cylinder 3.There are two the screw rod regulating mechanism of the present embodiment preferably has
The screw rod adjustment gear 6 being threaded through on same axis, the non-threaded end of screw rod 4 are rectangular, the first screw rod guide portion 32 and second
32 ' of screw rod guide portion be also it is rectangular, be provided with the rack structure with sawtooth portion 45 on two opposite faces of screw rod 4, install
Cheng Hou, screw rod 4 are located among two screw rod adjustment gears 6, two sawtooth portions 45 thereon respectively with two screw rod adjustment gears 6
Engagement, in this way, can smoothly drive screw rod 4 to move up and down by rotating rotating handles 7 outside cylinder 3.
In addition, as shown in connection with fig. 2, to avoid the first screw rod guide portion 32 from interfering with sawtooth portion 45, the first guide groove 320
For " ten " shape groove body, the sawtooth portion 45 of two sides is allowed to pass freely through the first screw rod guide portion 32, structure is more reliable.
In conjunction with shown in Fig. 8 and Fig. 9, device is removed in the glass bushing pipe using the present embodiment, gas chromatograph or makings are joined
When being removed with the glass bushing pipe on instrument, include the following steps:
Glass bushing pipe is removed into device lower end aligned injection port installation part 1；
Injection port fixed part 31 and injection port installation part 1 is relatively fixed；
Screw rod 4 is moved down, until locking plate 41 is located at 2 periphery of glass bushing pipe；
The relative position of locking member and locking plate 41 is adjusted, until locking plate 41 clamps glass bushing pipe 2；
Screw rod 4 is moved up, glass bushing pipe 2 is taken out of from injection port installation part 1；
Injection port installation part 1 is removed from injection port fixed part 31；
The relative position for adjusting locking member and locking plate 41 makes locking plate 41 unclamp glass bushing pipe 2.
More specifically operating process are as follows: glass bushing pipe is first removed into device lower end aligned injection port installation part 1 (in such as Fig. 8
A), then clockwise (such as direction Fig. 8) rotary glass bushing pipe remove device (rotary barrel 3), by device right angle setting
At installation screw thread fixed to 1 periphery of injection port installation part (B in such as Fig. 8), in this way, completing consolidating for injection port installation part 1
It is fixed；Rotation rotating handles 7 counterclockwise, move down screw rod 4, locking plate 41 are driven until covering in 2 periphery (such as Fig. 8 of glass bushing pipe
In C), rotate clockwise bushing pipe lock nut 5, bushing pipe lock nut 5 made to move down and locking plate 41 is pressed on glass bushing pipe 2
Peripheral (D in such as Fig. 8), in this way, completing the clamping of glass bushing pipe 2；Then, rotation removes device (rotary barrel 3 counterclockwise
), cylinder 3 is whole to be moved up and is detached from injection port installation part 1 (E in such as Fig. 9), that is, injection port installation part 1 can be removed (as schemed
F in 9)；Next, removing glass bushing pipe 2: first rotating rotating handles 7 counterclockwise, make screw rod 4, bushing pipe lock nut 5 and glass
Glass bushing pipe 2 is whole to be moved down, and outflow bushing pipe lock nut 5 moves up space (G in such as Fig. 9), finally, stirring bushing pipe lock counterclockwise
Determine nut 5, move up bushing pipe lock nut 5, locking plate 41 then unclamps the clamping (H in such as Fig. 9) to glass bushing pipe 2, so far
Glass bushing pipe 2 can easily be removed.
Embodiment 2
Such as Figure 10, unlike the first embodiment, the locking member of the present embodiment be in cylinder 3, it is relatively solid with cylinder 3
Fixed 5 ' of annular boss, and no longer need bushing pipe lock nut.5 ' of the annular boss, which can be, to be integrally formed or is made with cylinder 3
It is fixed in cylinder 3 after performing.The internal diameter of 5 ' of annular boss is greater than the diameter of screw rod 4, and is slightly larger than glass bushing pipe 2 and locking plate
The sum of 41 thickness, during screw rod 4 slides axially along cylinder 3,5 ' clamp or release locking plate 41 of annular boss.That is, ring
There are one end spacing between 3 end face 5 ' of shape boss and cylinder, after injection port installation part 1 is fixed to 3 end of cylinder, locking plate 41 and glass
Glass bushing pipe 2 clamps, and since the elastic cushion 42 of 41 inner surface of locking plate has certain elasticity, screw rod 4 is in 5 ' of annular boss
It can continue to move up, after glass bushing pipe 2 is separated with injection port installation part 1, take injection port installation part 1 away, screw rod 4 moves down can be certainly
It is dynamic to remove glass bushing pipe 2.
The present invention is removed on device by the way that injection port installation part is fixed on glass bushing pipe, is locked at glass using locking plate
Bushing pipe outer wall, then pass through the movement separation of glasses bushing pipe of screw rod, glass bushing pipe can be intactly from GC and GC-MS injection port
It takes out.
The above is only the specific embodiment of the application, it is noted that for the ordinary skill people of the art
For member, under the premise of not departing from the application principle, several improvements and modifications can also be made, these improvements and modifications are also answered
It is considered as the protection scope of the application.
Claims (9)
1. the glass bushing pipe of a kind of gas chromatograph and gas chromatograph-mass spectrometer removes device, which is characterized in that including cylinder (3), set
It is adjusted along the cylinder (3) axially slidable screw rod (4) and locking member, screw rod interconnected in the cylinder (3)
Gear (6) and rotating handles (7), the cylinder (3) include the injection port fixed part (31) of bottom end, the injection port fixed part
(31) for injection port installation part (1) to be fixed with the cooperation of the injection port installation part (1) of glass bushing pipe, the screw rod (4)
There are two the locking plate (41) for the arc being oppositely arranged, locking plate (41) inner surface is elastic material, described for one end connection
Locking member is close to each other with the locking plate (41) and draws close two locking plates (41) mutually；It is set on the screw rod (4)
There is the sawtooth portion (45) with the bar shaped of the screw rod adjustment gear (6) cooperation, the rotating handles (7) extend to the cylinder
(3) outside, the screw rod (4) can be driven to move up and down by rotating the rotating handles (7).
2. the glass bushing pipe of gas chromatograph according to claim 1 and gas chromatograph-mass spectrometer removes device, which is characterized in that
The locking member is bushing pipe lock nut (5), and the cylinder (3) includes being opened on barrel to correspond to the bushing pipe lock nut
(5) nut adjustment hole (33)；Close to the one of the locking plate (41) on the bushing pipe lock nut (5) and the screw rod (4)
End is threadedly engaged, and rotating the bushing pipe lock nut (5) may tighten or loosen the locking plate (41).
3. the glass bushing pipe of gas chromatograph according to claim 1 and gas chromatograph-mass spectrometer removes device, which is characterized in that
The locking member be in the cylinder (3), with the cylinder (3) relatively-stationary annular boss (5 '), the screw rod (4)
During sliding axially along the cylinder (3), locking plate (41) described in annular boss (5 ') clamp or release.
4. the glass bushing pipe of gas chromatograph according to claim 1 and gas chromatograph-mass spectrometer removes device, which is characterized in that
The cylinder (3) includes the first screw rod guide portion (32) with the injection port fixed part (31) interval, and first screw rod draws
Leading portion (32) is the diaphragm structure that middle part offers the first guide groove (320).
5. the glass bushing pipe of gas chromatograph according to claim 4 and gas chromatograph-mass spectrometer removes device, which is characterized in that
The cylinder (3) further includes the second screw rod guide portion (32 ') on top, and the second screw rod guide portion (32 ') opens up for middle part
There is the diaphragm structure of the second guide groove (320 ').
6. the glass bushing pipe of gas chromatograph according to claim 1 and gas chromatograph-mass spectrometer removes device, which is characterized in that
The locking plate (41) includes the elastic cushion (42) of inner surface setting.
7. the glass bushing pipe of gas chromatograph according to claim 1 and gas chromatograph-mass spectrometer removes device, which is characterized in that
The injection port fixed part (31) is the internal screw thread of the cylinder (3).
8. the glass bushing pipe of gas chromatograph according to claim 1 and gas chromatograph-mass spectrometer removes device, which is characterized in that
The injection port fixed part (31) is clamping device.
9. the glass bushing pipe removing method of a kind of gas chromatograph and gas chromatograph-mass spectrometer, which is characterized in that use claim 1-8
The glass bushing pipe of any gas chromatograph and gas chromatograph-mass spectrometer removes device, comprising:
Glass bushing pipe is removed into device lower end aligned injection port installation part (1)；
Injection port fixed part (31) and injection port installation part (1) is relatively fixed；
Screw rod (4) are moved down, until locking plate (41) are located at glass bushing pipe (2) periphery；
The relative position of locking member and locking plate (41) is adjusted, until locking plate (41) clamp glass bushing pipe (2)；
Screw rod (4) are moved up, glass bushing pipe (2) is taken out of from injection port installation part (1)；
Injection port installation part (1) is removed from injection port fixed part (31)；
The relative position for adjusting locking member and locking plate (41) makes locking plate (41) to unclamp glass bushing pipe (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610883831.7A CN106645452B (en) | 2016-10-10 | 2016-10-10 | The glass bushing pipe of gas chromatograph and gas chromatograph-mass spectrometer removes device and removing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610883831.7A CN106645452B (en) | 2016-10-10 | 2016-10-10 | The glass bushing pipe of gas chromatograph and gas chromatograph-mass spectrometer removes device and removing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106645452A CN106645452A (en) | 2017-05-10 |
| CN106645452B true CN106645452B (en) | 2019-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610883831.7A Active CN106645452B (en) | 2016-10-10 | 2016-10-10 | The glass bushing pipe of gas chromatograph and gas chromatograph-mass spectrometer removes device and removing method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000050885A1 (en) * | 1999-02-25 | 2000-08-31 | Wil Van Egmond | Injection liner |
| CN2826428Y (en) * | 2005-02-04 | 2006-10-11 | 安捷伦科技有限公司 | Gas chromatograph injection port with improved sealing device |
| WO2011137035A3 (en) * | 2010-04-30 | 2012-03-01 | Agilent Technologies, Inc. | Liner package |
| CN102525666A (en) * | 2010-12-07 | 2012-07-04 | 财团法人金属工业研究发展中心 | Root canal obstruction removal instrument |
| CN105605071A (en) * | 2016-02-19 | 2016-05-25 | 深圳市华星光电技术有限公司 | Capillary chromatographic column auxiliary mounting nut and capillary chromatographic column mounting method |
| CN105881443A (en) * | 2016-05-16 | 2016-08-24 | 深圳市华星光电技术有限公司 | Mounting device and mounting method for gas chromatography sampling pad |
-
2016
- 2016-10-10 CN CN201610883831.7A patent/CN106645452B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000050885A1 (en) * | 1999-02-25 | 2000-08-31 | Wil Van Egmond | Injection liner |
| CN2826428Y (en) * | 2005-02-04 | 2006-10-11 | 安捷伦科技有限公司 | Gas chromatograph injection port with improved sealing device |
| WO2011137035A3 (en) * | 2010-04-30 | 2012-03-01 | Agilent Technologies, Inc. | Liner package |
| CN102525666A (en) * | 2010-12-07 | 2012-07-04 | 财团法人金属工业研究发展中心 | Root canal obstruction removal instrument |
| CN105605071A (en) * | 2016-02-19 | 2016-05-25 | 深圳市华星光电技术有限公司 | Capillary chromatographic column auxiliary mounting nut and capillary chromatographic column mounting method |
| CN105881443A (en) * | 2016-05-16 | 2016-08-24 | 深圳市华星光电技术有限公司 | Mounting device and mounting method for gas chromatography sampling pad |
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| Publication number | Publication date |
|---|---|
| CN106645452A (en) | 2017-05-10 |
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Address after: 9-2 Tangming Avenue, Guangming New District, Shenzhen City, Guangdong Province Patentee after: TCL Huaxing Photoelectric Technology Co.,Ltd. Address before: 9-2 Tangming Avenue, Guangming New District, Shenzhen City, Guangdong Province Patentee before: Shenzhen China Star Optoelectronics Technology Co.,Ltd. |