CN103472604B - Panel detection device and detection method - Google Patents
Panel detection device and detection method Download PDFInfo
- Publication number
- CN103472604B CN103472604B CN201310430336.7A CN201310430336A CN103472604B CN 103472604 B CN103472604 B CN 103472604B CN 201310430336 A CN201310430336 A CN 201310430336A CN 103472604 B CN103472604 B CN 103472604B
- Authority
- CN
- China
- Prior art keywords
- panel
- alignment sensor
- transparent touch
- detection device
- touch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Liquid Crystal (AREA)
Abstract
The invention discloses a kind of panel detection device and detection method, for solving after existing pick-up unit detects abnormity point, need the positional information marking abnormity point manually, cause detection efficiency low, mark spot need be wiped when repairing, the problem such as cause remediation efficiency low and designing.Described panel detection device comprises transparent touch alignment sensor and data processing unit; Described transparent touch alignment sensor is in order to sense the position of the touch point corresponding with the position of the abnormity point in measured panel; Described data processing unit is connected with described transparent touch alignment sensor, and calculates the positional information of abnormity point in order to the position that receives the touch point that described transparent touch alignment sensor exports under touch effect.Panel detection device of the present invention and detection method, have structure simple and improve the efficiency detecting and repair.
Description
Technical field
The present invention relates to display technique field, particularly relate to a kind of panel detection device and detection method.
Background technology
Display device comprises display panel; Described display panel needed to carry out various detection before composition display device, as electrical resistance detects.Such as when described display panel is display panels, complete array base palte and color membrane substrates to box after and before attaching upper and lower Polarizer
Need once to check, bad to detect bright spot, dim spot, bright line, concealed wire, spot etc.Existing pick-up unit comprises one for lighting the some sun terrace of display panel, lower Polarizer, upper Polarizer; Backlight and signal generator is provided with in described some sun terrace; Lower Polarizer is arranged in a sun terrace, and display panel to be detected is placed on the top being simultaneously positioned at lower Polarizer in a sun terrace; Described some sun terrace by described backlight for display panel provides backlight; Described signal generator, with thinking that described display panel provides the electric signal lighted, is formed to make display panel and detects picture; Described upper Polarizer for covering the top of described display panel, thus simulates liquid crystal indicator and carries out the different switching detected between picture, thus detects various bad.Wherein, described display panel upper edge is provided with the electric signal input contact for receiving detection signal, concrete as shortingbar(short-circuiting bar).
Although above-mentioned detection can detect bad, what detect is various bad, needs the artificial marker pen that adopts to mark on a display panel; Corresponding position is found to keep in repair when follow-up reparation according to the mark on display panel.
First: mark manually, the accuracy of abnormity point position is affected by human factors, may cause the position of follow-up reparation not to or again carry out repairing the searching of position.
Second: marked on panel by mark pen, follow-up complete reparation after, also need erasing mark, thus cause remediation efficiency low, more likely because mark causes new display surface
Spot on plate bad.
Summary of the invention
(1) technical matters that will solve
The technical problem to be solved in the present invention is: provide a kind of bad position coordinate that can conveniently record in panel, improves panel detection efficiency and avoids because mark causes newly bad panel detection device.
(2) technical scheme
For solving the problem, panel detection device of the present invention comprises transparent touch alignment sensor and data processing unit;
Described transparent touch alignment sensor is in order to sense the position of the touch point corresponding with the position of the abnormity point in measured panel;
Described data processing unit is connected with described transparent touch alignment sensor, and calculates the positional information of abnormity point in order to the position that receives the touch point that described transparent touch alignment sensor exports under touch effect.
Preferably, the signal generator in order to provide detection signal to panel is also comprised.
Preferably, described signal generator is also with thinking that described transparent touch alignment sensor provides drive singal.
Preferably, backlight, lower Polarizer and upper Polarizer is also comprised; Described backlight is used for for measured panel provides the light shown; Described lower Polarizer is between described measured panel and described backlight; Described
Upper Polarizer and described lower Polarizer are positioned at the not homonymy of described measured panel.
Preferably, described transparent touch alignment sensor and described upper Polarizer are positioned at the same side of described measured panel, and are positioned at the side of described upper Polarizer described measured panel far away.
Preferably, the thickness of described upper Polarizer is 0.7-1.5mm.
Preferably, described transparent touch alignment sensor is capacitive touch screen, resistive touch sensor, infrared type touch sensor, piezoelectric type touch sensor or sound wave type touch sensor, and treats described in covering
Survey the viewing area of panel.
Preferably, described transparent touch alignment sensor and described measured panel are equipped with the alignment mark for contraposition.
Preferably, described data processing unit is also in order to receive and to store the identifying information of described measured panel; And mapping relations table is formed to the identifying information of same measured panel and the positional information of abnormity point.
For reaching above-mentioned purpose, panel detection method of the present invention, adopts the panel detection device detection display panel as above described in any one, specifically comprises the steps:
Measured panel is received and detects picture; When observing appearance exception on the detection picture shown by measured panel, by transparent touch
Sensor covers the surface of measured panel and carries out contraposition, and by touching described transparent touch alignment sensor and abnormal corresponding position, with the position making described transparent touch alignment sensor export the touch point corresponding with the position of the abnormity point of measured panel;
Described data processing unit receives the position of the touch point that described transparent touch alignment sensor exports and calculates the positional information of abnormity point.
(3) panel detection device of the present invention and detection method beneficial effect
The pick-up unit of the embodiment of the present invention and detection method, by the setting of transparent touch sensor, can locate easily and record the positional information of the abnormity point of measured panel, relative manual record, have simple and efficient to handle, positioning result accurately, efficiency advantages of higher; Relative to employing label table in the surface indicia of measured panel, mark convenient during detection, during reparation, eliminate the step of erasing, thus the efficiency that Synchronous lifting detects and repairs, and the dirty of measured panel surface can not be caused because of mark.
Accompanying drawing explanation
Fig. 1 is one of panel detection device structural representation described in the embodiment of the present invention;
Fig. 2 is the panel detection device structural representation two described in the embodiment of the present invention;
Fig. 3 is a kind of panel detection schematic flow sheet described in the embodiment of the present invention.
Embodiment
Below in conjunction with drawings and Examples, that the present invention is described in detail is as follows.
Embodiment one:
As shown in Figure 1, the panel detection device described in the present embodiment comprises transparent touch alignment sensor 110 and data processing unit 120; Described transparent touch alignment sensor 110 is in order to sense the position of the touch point corresponding with the position of the abnormity point in measured panel;
Described data processing unit 120 is connected with described transparent touch alignment sensor 110, and in order to receive described transparent touch alignment sensor 110 under touch effect export the position of touch point and calculate the positional information of abnormity point;
Described transparent touch alignment sensor 110, will receive extraneous touch, and write down the position of touched point; Therefore when carrying out panel detection, testing staff noting abnormalities a little, only needing to touch transparent touch sensor 110 corresponding measured panel abnormity point corresponding section, abnormity point positional information can be marked accurately.The setting of described transparent touch alignment sensor 110 and data processing unit 120, can be used for locating the positional information of abnormity point, thus without the need to as traditional way, marked in corresponding bad position by label table, thus operation is easier, relative handmarking is also more accurate, and the spot of the panel that mark can not be caused to be formed.And stored by the form of electronic information in the positional information of repairing tense marker, from database, directly recall corresponding abnormity point positional information carry out repairing, thus mark without the need to the search of whole panel, thus improve the efficiency of reparation.
Panel detection device described in the present embodiment, can be used for detecting liquid crystal panel, but be not limited to liquid crystal panel, as being the oled panel of self-luminescence, when to note abnormalities, the same transparent touch sensor that the present embodiment can be adopted to propose positions, and adopts the data processing unit described in the present embodiment to carry out abnormity point positional information calculation and the storage of panel.
In concrete implementation process, the drive singal of described transparent touch alignment sensor can have and realized by integrated driver module therein, also can be only arrange drive singal input interface, described drive singal input interface be in order to receive external circuit input drive signal.
As further improvement of this embodiment, the drive singal of described transparent touch alignment sensor is inputted by external circuit, and concrete described external circuit is the signal generator for panel detection device.Specific as follows:
Described panel detection device also comprises the signal generator in order to provide detection signal to panel; Described signal generator is also with thinking that described transparent touch alignment sensor provides drive singal.
A signal generator is comprised at existing panel detection device, described signal generator detects the display of picture in order to provide to measured panel, simultaneously the port of described signal generator output signal be have remaining, what the signal generator for shortingbar detection as common outputed signal comprises 48 ports, wherein 16 for detecting the output of picture, thus remaining port can be utilized in signal generator to provide the drive singal of transparent touch alignment sensor, thus make use of signal generator cleverly, thus simplify the structure and reduce hardware cost, and it is strong with the compatibility of existing pick-up unit.
Further specialize as the present embodiment, when carrying out panel detection, if measured panel is active display panels, then do not need external light source to the light providing it to show; If detected be passive display panel, then need light source to the light providing it show, typically as, measured panel is display panels.
Therefore the panel detection device described in the present embodiment also can comprise backlight, lower Polarizer and upper Polarizer; Described backlight is used for providing display light source for measured panel; Described lower Polarizer is between described measured panel and described backlight; Described upper Polarizer and described lower Polarizer are positioned at the not homonymy of described measured panel; Described transparent touch alignment sensor and described upper Polarizer are positioned at the same side of described measured panel.
When adopting shortingbar to detect, display panels also pastes partially (Polarizer attaching), and namely it only comprises array base palte, color membrane substrates and the layer of liquid crystal molecule between array base palte and color membrane substrates.As carried out showing, need to coordinate with upper and lower Polarizer, therefore Polarizer and lower Polarizer on also comprising in panel detection device described in the present embodiment.Such as go up the light emission side that Polarizer is positioned at display panels; Lower Polarizer is positioned at the incident side of display panels, to form display device.Described transparent touch alignment sensor and upper Polarizer are positioned at the same side of described display panels, can be the nearly display panels side being positioned at Polarizer also can be positioned at Polarizer display panels side far away.Because sensor is transparent, thus display can not be affected.If wherein transparent touch alignment sensor to be arranged on the side of the display panels far away of upper Polarizer, then transparent touch alignment sensor is sensitiveer to the response touched, the location of abnormity point is also more accurate, therefore preferably transparent touch alignment sensor is arranged on the display panels end far away of upper Polarizer.
As the further improvement of the present embodiment, the thickness of described upper Polarizer is preferably 0.7-1.5mm, this thickness decreases 1-2mm relative to the thickness of the upper Polarizer in traditional pick-up unit, when transparent touch alignment sensor is positioned at the side of upper Polarizer measured panel far away, shorten the distance between transparent touch locating device and measured panel, thus be conducive to obtaining more accurate locating information.
When transparent touch alignment sensor is the side with the nearly measured panel of upper Polarizer, the thickness of upper Polarizer is little, then touch (when external force the is constant) power received of transparent touch alignment sensor is larger, thus sensitiveer during location.
In concrete implementation process, described upper Polarizer can be made of one structure with described transparent touch alignment sensor, also can for the structure be separated.Be made of one management and preservation that structure facilitates complete sets of equipment; Make isolating construction, can just use described transparent touch alignment sensor when detecting and panel having abnormity point, thus be conducive to the serviceable life extending transparent touch alignment sensor.And the connection of described transparent touch alignment sensor and data processing unit can be wired also can be wireless, concrete to connect as the interface by plug and play, thus a described transparent touch alignment sensor and multiple traditional checkout equipment fit applications can be realized, thus reduce equipment cost, improve the utilization factor of transparent touch alignment sensor.
Survey panel to generally include viewing area and be positioned at the non-display area of periphery, viewing area, described transparent touch alignment sensor can be capacitive touch screen, resistive touch sensor, infrared type touch sensor, piezoelectric type touch sensor or sound wave type touch sensor etc., and cover the viewing area of described measured panel, thus can position any exception of viewing area, in concrete implementation procedure, the aligning accuracy of described transparent touch alignment sensor can be arranged as required; Precision can be set to the pixel or a sub-pix etc. that are accurate to measured panel.During the sensor of described transparent touch alignment sensor the above-mentioned type, conveniently draw materials, and cost is low.Preferred employing capacitive touch sensors, sensitivity is higher.
As the further improvement of the present embodiment, for the ease of the location between measured panel and transparent touch sensor, can at least one pair of alignment mark be set on the two, so that the exactitude position of the two.Alignment mark in tested surface strip and the contraposition zoom on touch sensor can realize by covering by concrete contraposition.Described alignment mark can be in-line alignment mark, can also be cruciform alignment mark.Usually in measured panel, be all provided with alignment mark, only corresponding alignment mark need be set in corresponding described transparent touch sensor in the present embodiment, realize easy, compatible strong with prior art.
Conveniently repair abnormal inquiry, while the abnormity point positional information of record measured panel, also receive the identifying information storing measured panel, concrete, described data processing unit is also in order to receive the identifying information storing described measured panel; Identifying information and the abnormity point positional information of same measured panel form mapping relations table.Described identifying information can be the coded message etc. for each measured panel.By the mapping relations table that identifying information and abnormity point locating information are formed, when concrete reparation, corresponding abnormity point locating information can be found rapidly according to the identifying information of measured panel.
Wherein, described data processing unit can be the electronic equipments such as computer, DSP digital processing unit, PLC; Described data processing unit can comprise transport module and data processing module and data memory module; Described data transmission module can comprise wired or wireless transmission interface; Described data processing module comprises process; Described memory module comprises various types of storage medium.
Concrete, be illustrated in figure 2 the structure that of the panel detection device described in above-described embodiment is concrete; Described panel detection device comprises backlight 210, lower Polarizer 230, signal generator 220, upper Polarizer 240, transparent touch alignment sensor 260, data processing unit 270; Measured panel 280 is between upper Polarizer 240 and lower Polarizer 230; Described signal generator 220 provides detection picture for measured panel 280, and provides drive singal for transparent touch alignment sensor 260; Described backlight 210 provides display light source for measured panel; Described transparent touch alignment sensor 260 is in order to sense the position of the touch point corresponding with the position of the abnormity point in the measured panel of location and the positional information of described touch point to be transferred to data processing unit, to record the positional information of measured panel abnormity point.
Comprehensively above-mentioned, panel detection device described in the present embodiment, transparent touch alignment sensor and data processing unit has been set up in panel detection device in the past, in order to locate and to store the positional information of abnormity point in measured panel, thus improve the speed of detection and the speed of reparation and convenience.
Embodiment two:
As shown in Figure 3, the present embodiment panel detection method, adopts the panel detection device described in embodiment one to detect, specifically comprises:
Step S110: measured panel is received and detects picture;
Step S120: occur extremely if the survey of Display panel to be checked detects on picture, transparent touch sensor is covered the surface also contraposition of measured panel, and by touching described transparent touch alignment sensor and abnormal corresponding position, with the position making described transparent touch alignment sensor export the touch point corresponding with the position of the abnormity point of measured panel;
Step S130: described data processing unit receives the position of the touch point that described transparent touch alignment sensor exports and calculates the positional information of abnormity point.
Panel detection method described in the present embodiment, have employed panel detection device of the present invention in embodiment, thus can be carried out the some position of abnormity point by transparent touch alignment sensor and data processing unit; Institute's abnormity point can be put the exceptions such as the spot bad, line is bad, region is bad or simple.Thus relative to the method for traditional manual mark, there is detection efficiency high, mark is accurately and after adopting and carrying out panel detection in this way, without the need to erasing mark during reparation, the information of anchor point is more accurate, mark need not be searched by eye-observation, thus again be conducive to improving remediation efficiency.
In concrete testing process, if what detect is liquid crystal panel, what need Polarizer and lower Polarizer coordinates the display realizing detecting picture, if the structure that upper Polarizer and transparent touch alignment sensor are made of one, then transparent touch alignment sensor needs just to cover before detecting abnormity point on described liquid crystal panel, if upper Polarizer and transparent touch alignment sensor are isolating constructions, then transparent touch alignment sensor can after testing staff notes abnormalities, transparent touch alignment sensor is covered in measured panel, also just can cover in measured panel before noting abnormalities a little.Therefore the detection method described in the embodiment of the present invention, detecting step needs the adjustment according to the structure genetic sequence of pick-up unit.
Above embodiment is only for illustration of the present invention; and be not limitation of the present invention; the those of ordinary skill of relevant technical field; without departing from the spirit and scope of the present invention; can also make a variety of changes and modification; therefore all equivalent technical schemes also belong to category of the present invention, and scope of patent protection of the present invention should be defined by the claims.
Claims (10)
1. a panel detection device, is characterized in that, comprises transparent touch alignment sensor and data processing unit;
Described transparent touch alignment sensor is in order to sense the position of the touch point corresponding with the position of the abnormity point in measured panel;
Described data processing unit is connected with described transparent touch alignment sensor, and calculates the positional information of abnormity point in order to the position that receives the touch point that described transparent touch alignment sensor exports under touch effect.
2. panel detection device according to claim 1, is characterized in that, also comprises the signal generator in order to provide detection signal to panel.
3. panel detection device according to claim 2, is characterized in that, described signal generator is also with thinking that described transparent touch alignment sensor provides drive singal.
4. panel detection device according to claim 1, is characterized in that, also comprises backlight, lower Polarizer and upper Polarizer; Described backlight is used for for measured panel provides the light shown; Described lower Polarizer is between described measured panel and described backlight; Described upper Polarizer and described lower Polarizer are positioned at the not homonymy of described measured panel.
5. panel detection device according to claim 4, is characterized in that, described transparent touch alignment sensor and described upper Polarizer are positioned at the same side of described measured panel, and are positioned at the side of described upper Polarizer described measured panel far away.
6. panel detection device according to claim 5, is characterized in that, the thickness of described upper Polarizer is 0.7-1.5mm.
7. panel detection device according to claim 5, it is characterized in that, described transparent touch alignment sensor is capacitive touch screen, resistive touch sensor, infrared type touch sensor, piezoelectric type touch sensor or sound wave type touch sensor, and covers the viewing area of described measured panel.
8. as requested 1 to 7 the panel detection device described in any one, it is characterized in that, described transparent touch alignment sensor and described measured panel are equipped with the alignment mark for contraposition.
9. as requested 1 to 7 the panel detection device described in any one, it is characterized in that, described data processing unit is also in order to receive and to store the identifying information of described measured panel; And mapping relations table is formed to the identifying information of same measured panel and the positional information of abnormity point.
10. a panel detection method, is characterized in that, adopts the panel detection device detection display panel as described in any one of claim 1 to 8, specifically comprises the steps:
Measured panel is received and detects picture; When observing appearance exception on the detection picture shown by measured panel, transparent touch alignment sensor covered the surface of measured panel and carry out contraposition, and by touching described transparent touch alignment sensor and abnormal corresponding position, with the position making described transparent touch alignment sensor export the touch point corresponding with the position of the abnormity point of measured panel;
Described data processing unit receives the position of the touch point that described transparent touch alignment sensor exports and calculates the positional information of abnormity point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310430336.7A CN103472604B (en) | 2013-09-18 | 2013-09-18 | Panel detection device and detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310430336.7A CN103472604B (en) | 2013-09-18 | 2013-09-18 | Panel detection device and detection method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103472604A CN103472604A (en) | 2013-12-25 |
| CN103472604B true CN103472604B (en) | 2015-12-23 |
Family
ID=49797511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310430336.7A Expired - Fee Related CN103472604B (en) | 2013-09-18 | 2013-09-18 | Panel detection device and detection method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103472604B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104330837B (en) * | 2014-11-18 | 2018-09-14 | 合肥鑫晟光电科技有限公司 | Board detection device for foreign matter and method, board and board control method |
| CN104793374B (en) * | 2015-05-15 | 2018-05-11 | 合肥京东方光电科技有限公司 | False orientation device, method and visual inspection apparatus |
| CN107515484B (en) * | 2017-09-28 | 2020-04-24 | 京东方科技集团股份有限公司 | Frame sealing glue detection system, devices contained in system and detection method |
| CN108507759A (en) * | 2018-04-16 | 2018-09-07 | 昆山精讯电子技术有限公司 | A kind of display panel testing and detection method |
| CN109739029A (en) * | 2018-11-27 | 2019-05-10 | 深圳市华星光电技术有限公司 | Lighting test device and lighting test method |
| CN109871151B (en) * | 2019-03-29 | 2021-09-28 | 上海中航光电子有限公司 | Display panel and display device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101408813A (en) * | 2007-10-10 | 2009-04-15 | 夏普株式会社 | Display system and method for detecting pointed position |
| CN101493586A (en) * | 2008-01-25 | 2009-07-29 | 东捷科技股份有限公司 | Pixel element repairing system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4745316B2 (en) * | 2007-11-07 | 2011-08-10 | シャープ株式会社 | Display system and indication position detection method |
| EP2458371A1 (en) * | 2009-07-24 | 2012-05-30 | Asahi Glass Company, Limited | Glass member quality control method and quality control device, and glass member with mark |
-
2013
- 2013-09-18 CN CN201310430336.7A patent/CN103472604B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101408813A (en) * | 2007-10-10 | 2009-04-15 | 夏普株式会社 | Display system and method for detecting pointed position |
| CN101493586A (en) * | 2008-01-25 | 2009-07-29 | 东捷科技股份有限公司 | Pixel element repairing system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103472604A (en) | 2013-12-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103472604B (en) | Panel detection device and detection method | |
| EP3598281B1 (en) | Touch display device, touch circuit, and driving method | |
| KR102044083B1 (en) | Touch detection device and detection method, and touch device | |
| CN105955535B (en) | Display panel | |
| CN102033348B (en) | Liquid crystal display device | |
| CN102385182B (en) | There is the liquid crystal indicator of built-in touch screen | |
| CN103488361B (en) | Embedded touch display panel system for increasing touch position accuracy | |
| CN203588234U (en) | Digital capacitance touch control panel | |
| CN103309534B (en) | Array substrate, touch screen, drive method and display device | |
| TW201116886A (en) | Touch display apparatus | |
| CN102855038B (en) | A kind of touch display screen and touch display drive method | |
| CN108693995A (en) | Oganic light-emitting display device with pressure touch | |
| CN1647019A (en) | Touch sensitive display device | |
| CN206340298U (en) | A kind of substrate and display device | |
| US20180210596A1 (en) | Pressure-Sensitive Panel and Detection Method Thereof, 3D Touch Panel and Touch Display Panel | |
| CN102955311A (en) | Liquid crystal display device with built-in touch device | |
| CN104730747A (en) | Embedded touch display device | |
| US10845928B2 (en) | Display apparatus with touch sensor | |
| CN105204688A (en) | Touch display device | |
| CN101598871A (en) | touch control liquid crystal display device and driving method thereof | |
| CN101714046A (en) | Device and method for detecting object position and image display system using device | |
| CN103279236A (en) | Built-in capacitive touch display screen and contact detection method and system thereof | |
| CN102043270A (en) | Touch control type liquid crystal display device | |
| CN204988604U (en) | Display substrates and display device , pressure detection system | |
| CN204515296U (en) | Rimless liquid crystal display mode group assembly fixture |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Guan Lizhi Inventor after: Liu Junhao Inventor after: Xue Hongwei Inventor after: Ye Chaoqian Inventor before: Guan Li Inventor before: Liu Junhao Inventor before: Xue Hongwei Inventor before: Ye Chaoqian |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: GUAN LI LIU JUNHAO XUE HONGWEI YE CHAOQIAN TO: GUAN LIZHI LIU JUNHAO XUE HONGWEI YE CHAOQIAN |
|
| 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: 20151223 |