CN102360259B - Capacitive touch panel and touch detection method for same - Google Patents
Capacitive touch panel and touch detection method for same Download PDFInfo
- Publication number
- CN102360259B CN102360259B CN201110330665.5A CN201110330665A CN102360259B CN 102360259 B CN102360259 B CN 102360259B CN 201110330665 A CN201110330665 A CN 201110330665A CN 102360259 B CN102360259 B CN 102360259B
- Authority
- CN
- China
- Prior art keywords
- detecting unit
- touch
- direction detecting
- sweep trace
- group
- 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
Images
Abstract
The invention relates to a capacitive touch panel, which comprises a touch detection array, shared scanning lines, independent scanning lines and a driving control module. The touch detection array comprises a plurality of rows of first direction detection units and a plurality of lines of second direction detection units, wherein the first direction detection units are divided into a first group and a second group which are staggered at intervals. The shared scanning lines are respectively connected with one row of the first direction detection units of the first group and one line of the second direction detection units. The independent scanning lines are respectively connected with one row of the first direction detection units disconnected with the shared scanning line and one line of the second direction detection units. The driving control module is connected with the shared scanning lines and the independent scanning lines, so that the shared scanning lines and the independent scanning lines are used for scanning the touch detection array, and then touch input is detected. The invention further discloses a touch detection method.
Description
Technical field
The invention relates to a kind of contact panel, and particularly relevant for a kind of capacitance type touch-control panel and touch detection method thereof.
Background technology
Contact panel, under the trend as very popular in mobile phone, flat computer of touch control electronic device in recent years, becomes one of hot science and technology.Wherein, capacitive contact panel can be detected the voltage drop causing because pressing the capacitance variations of generation on panel by the detecting unit being formed in display panel, and then by process chip, is calculated the place, position of touch-control.Yet the result that these detecting units need to transmit detecting by many sweep traces to process chip to calculate.The touch-control resolution of contact panel is being wanted to reach accurately under touch-control, the essential number that improves detecting unit, yet the increase of detecting unit number also by improve with process chip between the number of scanning lines that is connected, and will make the cost of manufacturing promote thereupon.
Therefore, how designing a new capacitance type touch-control panel and touch detection method thereof, to overcome above-mentioned disappearance, is an industry problem demanding prompt solution for this reason.
Summary of the invention
Therefore, an object of the present invention is to provide a kind of capacitance type touch-control panel, can reduce number of scanning lines and corresponding to the delivery channel number on drive control module.
This capacitance type touch-control panel comprises: touch detection array, plural number are shared sweep trace, plural independent sweep trace and drive control module.Touch detection array comprises: several column first direction detecting unit and plural row second direction detecting unit.First direction detecting unit is divided into the first group and the second group, and each row first direction detecting unit in the first group and the second group is staggered separately.The first direction detecting unit that shared sweep trace connects respectively the first group row and second direction detecting unit a line wherein wherein.Independent sweep trace connects respectively row wherein of the first direction detecting unit that is not connected with shared sweep trace or the second direction detecting unit that is not connected with shared sweep trace a line wherein.Drive control module is connected with shared sweep trace and independent sweep trace, by shared sweep trace and independent sweep trace, touch detection array is scanned, in order to do the input of detecting touch-control.
According to one embodiment of the invention, wherein the M of the first direction detecting unit in the first group be listed as capable being connected of N with second direction detecting unit, and the M-1 of the first direction detecting unit of the first group is listed as or M+1 is listed as not that N-1 with second direction detecting unit is capable or N+1 is capable is connected.
According to another embodiment of the present invention, wherein touch detection array is arranged in viewing area.Each first direction detecting unit and each second direction detecting unit are touch pad.Each first direction detecting unit and each second direction detecting unit comprise electro-conductive glass.
According to further embodiment of this invention, drive control module is to scanning with the independent sweep trace person of being connected in first direction detecting unit, in order to do acquisition the first touch-control signal that input produces according to touch-control, and second direction detecting unit is scanned, in order to do acquisition the second touch-control signal that input produces according to touch-control.Drive control module is further compared to the first touch-control signal and the second touch-control signal, to judge essence position of touch.
Another object of the present invention is to provide a kind of touch detection method, can reach with less sweep trace the contact panel of high resolving power and high size.
This touch detection method comprises the following steps: to provide capacitance type touch-control panel, comprise several column first direction detecting unit and plural row second direction detecting unit, wherein first direction detecting unit is divided into the first group and the second group, and each row first direction detecting unit in the first group and the second group is staggered separately; Make plural number share first direction detecting unit that sweep trace connects respectively the first group row and second direction detecting unit a line wherein wherein; The first direction detecting unit that plural independent sweep trace is connected respectively be not connected with shared sweep trace row and second direction detecting unit a line wherein wherein; To in first direction detecting unit with etc. the independent sweep trace person of being connected scan, the first touch-control signal producing according to touch-control input in order to do acquisition; Second direction detecting unit is scanned, in order to do acquisition the second touch-control signal that input produces according to touch-control; And the first touch-control signal and the second touch-control signal are compared, to judge essence position of touch.
According to one embodiment of the invention, wherein the M of the first direction detecting unit in the first group be listed as capable being connected of N with second direction detecting unit, and the M-1 of the first direction detecting unit of the first group is listed as or M+1 is listed as not that N-1 with second direction detecting unit is capable or N+1 is capable is connected.
Applying advantage of the present invention is the setting being by sharing sweep trace, can reduce number of scanning lines and corresponding to the delivery channel number on drive control module, or with less sweep trace, reach the contact panel of high resolving power and high size, cost is declined and reach easily above-mentioned object.
Accompanying drawing explanation
For above and other objects of the present invention, feature, advantage and embodiment can be become apparent, appended graphic being described as follows:
Fig. 1 is in one embodiment of the invention, a kind of vertical view of capacitance type touch-control panel.
Fig. 2 is in one embodiment of the invention, has the vertical view of a touch-control input on capacitance type touch-control panel;
Fig. 3 is in another embodiment of the present invention, has the vertical view of a touch-control input on capacitance type touch-control panel;
Fig. 4 is in one embodiment of the invention, has the vertical view of two touch-control inputs on capacitance type touch-control panel; And
Fig. 5 is in one embodiment of the invention, the process flow diagram of touch detection method.
[primary clustering symbol description]
1: capacitance type touch-control panel
11: first direction detecting unit
11b: the first direction detecting unit of the second group
12b: independent sweep trace
14: drive control module
501-507: step 10: touch detection array
11a: the first direction detecting unit of the first group
12a: share sweep trace
13: second direction detecting unit
500: touch detection method.
Embodiment
Please refer to Fig. 1.Fig. 1 is in one embodiment of the invention, a kind of vertical view of capacitance type touch-control panel 1.Capacitance type touch-control panel 1 comprises: touch detection array 10, sweep trace and drive control module 14.
X1, X2 ..., X15 row first direction detecting unit 11 can divide into staggered separately the first group and the second group.In the present embodiment, the first direction detecting unit 11a of the first group is for comprising X1, X3, X5 ..., X15 row first direction detecting unit 11, in Fig. 1 to comprise that the rhombus block of oblique line illustrates, the first direction detecting unit 11b of the second group comprises X2, X4, X6 ..., X14 row first direction detecting unit 11, in Fig. 1, with black diamonds block, illustrate.Therefore, each row first direction detecting unit 11 in the first group and the second group is spaced apart staggered.
Sweep trace comprises in fact shares sweep trace 12a and independent sweep trace 12b.In Fig. 1, share sweep trace 12a and illustrate with solid line, and independent sweep trace 12b illustrates with dotted line.Share first direction detecting unit 11a that sweep trace 12a connects respectively the first group row and second direction detecting unit 13 a line wherein wherein.For instance, of can make X1 and Y10, X3 and Y1, X5 and Y9, X7 and Y2, X9 and Y8, X11 and Y3, X13 and Y7 and X15 and Y2 share respectively on drive control module 14 of each shared sweep trace 12a drives channel.And the capable second direction detecting unit 13 of the Y5, the Y6 that are not connected with above-mentioned shared sweep trace 12a and be positioned at the second group X2, X4, X6 ..., X14 row first direction detecting unit 11b be connected with an independent sweep trace 12b respectively.
Should be noted, above-mentioned connected mode is only a possible embodiment wherein.In other embodiment, can utilize other mode to carry out being connected of sweep trace and touch detection array 10.Yet, in an embodiment, the M of first direction detecting unit 11a in the first group is listed as capable being connected of N with second direction detecting unit 13, and the M-1 of the first direction detecting unit 11a of the first group row or M+1 row are not capable with the N-1 of second direction detecting unit 13 or N+1 is capable is connected.For instance, while the 3rd row in X5(the first group) joining with Y9, should avoid the secondary series in X3(the first group) join with Y8 or Y11, or should avoid the 4th row in X7(the first group) situation of joining with Y8 or Y11, to avoid the situation that easily produces erroneous judgement to occur.
Therefore, drive control module 14 is after being connected with shared sweep trace 12a and independent sweep trace 12b with driving channel, can to touch detection array 10, scan by shared sweep trace 12a and independent sweep trace 12b, the capacitance variations causing to detect touch-control input, in order to do its position of identification.In an embodiment, in 14 pairs of first direction detecting units 11 of drive control module, scan with the independent sweep trace 12b person of being connected, with acquisition the first touch-control signal that input produces according to touch-control, and second direction detecting unit 13 is scanned, in order to do acquisition the second touch-control signal that input produces according to touch-control.Wherein to second direction detecting unit 13 carry out scanner uni comprised with the independent sweep trace 12b person of being connected and with the shared sweep trace 12a person of being connected.For instance, drive control module 14 can to X2, X4, X6 ..., X14 scanning obtains the first touch-control signal, and to Y1, Y2 ..., Y10 scans to obtain the second touch-control signal.After obtaining the first touch-control signal and the second touch-control signal, drive control module 14 will further be compared to the first touch-control signal and the second touch-control signal, to judge essence position of touch.
Please refer to Fig. 2.Fig. 2 is in one embodiment of the invention, has the vertical view of a touch-control input on capacitance type touch-control panel 1.
In the present embodiment, touch-control input is to result from A point.Therefore, 14 couples of X2, the X4 of the drive control module in Fig. 1, X6 ..., after X14 scanning, by foursquare the first touch-control signal obtaining in X4 in corresponding diagram 2.And to Y1, Y2 ..., after Y10 scans, to obtain the second circular touch-control signal in corresponding diagram 2 in Y1, Y8 and Y9, and due to the relation being connected with shared scanning linear 12a, X3, X5 and X9 also will have leg-of-mutton the second touch-control signal in corresponding diagram 2 to produce.In general, the size of detecting unit is about 5mm
2, common touch control object approximately has 7 to 8mm as people's finger
2, therefore, drive control module 14 can reasonably judge that Y8 and Y9 all have the position of triggering to be only real touch-control input point.Further by the signal of X4, learn that it must have touch-control again, and get rid of the possibility of X9, judgement X3 and X5 are only real touch-control input point, and find out the essence position of touch that A is ordered.
Please refer to Fig. 3.Fig. 3 is in another embodiment of the present invention, has the vertical view of a touch-control input on capacitance type touch-control panel 1.
In the present embodiment, touch-control input is to result from B point.Therefore, 14 couples of X2, the X4 of the drive control module in Fig. 1, X6 ..., after X14 scanning, by foursquare the first touch-control signal obtaining in X4 in corresponding diagram 3.And to Y1, Y2 ..., after Y10 scans, except obtaining the second circular touch-control signal in corresponding diagram 3 at Y5 and Y6, and due to the relation being connected with shared scanning linear 12a, X3, X5 and Y1, Y9 also will have triangle in corresponding diagram 3 and the second circular touch-control signal to produce.Drive control module 14 can detecting unit and the area relationship of touch control object judge Y5, Y6 and all have the position of triggering to be only real touch-control input point.Further by the signal of X4, learn that it must have touch-control again, judgement X3 and X5 are only real touch-control input point, and find out the essence position of touch that B is ordered.
Please refer to Fig. 4.Fig. 4 is in one embodiment of the invention, has the vertical view of two touch-control inputs on capacitance type touch-control panel 1.
In the present embodiment, touch-control input is to result from C point and D point.Therefore, 14 couples of X2, the X4 of the drive control module in Fig. 1, X6 ..., after X14 scanning, will obtain foursquare the first touch-control signal in corresponding diagram 4 in X4 and X12.And to Y1, Y2 ..., after Y10 scans, to obtain the second circular touch-control signal in corresponding diagram 2 in Y3, Y4, Y8 and Y9, and due to the relation being connected with shared scanning linear 12a, X5, X9, X11 and X9 also will have leg-of-mutton the second touch-control signal in corresponding diagram 2 to produce.Therefore by the signal of X4 and X12, learn that it must have touch-control, can judge that X5 and X11 are only real touch-control input point, and find out the essence position of touch that C point and D are ordered.
The advantage of applying capacitance type touch-control panel of the present invention is the setting being by sharing sweep trace, can reduce number of scanning lines and corresponding to the delivery channel number on drive control module, or with less sweep trace, reach the contact panel of high resolving power and high size, cost is declined.And the cost of manufacture of drive control module itself and mechanism also can decrease.And capacitance type touch-control panel of the present invention can increase the sweep frequency of system, reach higher usefulness.
Should be noted, detecting array in above-described embodiment, to take being arranged as laterally of first direction detecting unit 11 and being arranged as longitudinally as example describes of second direction detecting unit 13, in other embodiment, the arrangement of first direction detecting unit 11 can be longitudinally, and being arranged as laterally of second direction detecting unit 13, meaning can by part longitudinally detecting unit share with horizontal detecting unit, and make part longitudinally detecting unit and independently sweep trace join.And, in above-described embodiment, being first group of take in first direction detecting unit 11 describes as odd column and the second group classify example as even number, in other embodiment, be that can to make the first group be that even column and the second group are odd column, also or in other applicable mode distinguish.
Please refer to Fig. 5.Fig. 5 is in one embodiment of the invention, the process flow diagram of touch detection method 500.Touch detection method 500 can be applicable to capacitance type touch-control panel as shown in the figure 1 as shown in Figure 1.Touch detection method 500 methods comprise the following steps (should be appreciated that, mentioned step, except chatting especially bright its order person, all can adjust its front and back order according to actual needs in the present embodiment, even can carry out simultaneously or partly simultaneously).
In step 501, provide capacitance type touch-control panel 1 as shown in Figure 1.Then in step 502, in first direction detecting unit 11 with etc. the independent sweep trace 12b person of being connected scan, with the first touch-control signal that input produces according to touch-control of acquisition in step 503.In step 504, second direction detecting unit 13 is scanned, in order to do the second touch-control signal that input produces according to touch-control of acquisition in step 505.In step 506, the first touch-control signal and the second touch-control signal are compared, and in step 507 judgement essence position of touch.
Although the present invention discloses as above with embodiment; so it is not in order to limit the present invention, anyly has the knack of this skill person, without departing from the spirit and scope of the present invention; when being used for a variety of modifications and variations, so protection scope of the present invention is when being as the criterion depending on the accompanying claim person of defining.
Claims (9)
1. a capacitance type touch-control panel, is characterized in that, comprising:
One touch detection array, this touch detection array comprises:
Several column first direction detecting unit, divides into one first group and one second group, and the described several column first direction detecting unit in this first group and this second group is to interlock separately;
Plural number row second direction detecting unit;
Plural number is shared sweep trace, this several column first direction detecting unit not being connected with other shared sweep traces that connects respectively this first group row and the capable second direction detecting unit of this plural number a line wherein wherein;
The independent sweep trace of plural number, connects respectively row wherein of this several column first direction detecting unit be not connected with described shared sweep trace or the capable second direction detecting unit of this plural number that is not connected with described shared sweep trace a line wherein; And
One drive control module, is connected with described shared sweep trace and described independent sweep trace, by described shared sweep trace and described independent sweep trace, this touch detection array is scanned, to detect a touch-control input.
2. capacitance type touch-control panel according to claim 1, it is characterized in that: wherein the M of this several column first direction detecting unit in this first group be listed as that N with the capable second direction detecting unit of this plural number is capable to be connected by this shared sweep trace, the M-1 of this several column first direction detecting unit of this first group is listed as or M+1 is listed as not that N-1 with the capable second direction detecting unit of this plural number is capable or N+1 is capable is connected.
3. capacitance type touch-control panel according to claim 1, is characterized in that: wherein this touch detection array is to be arranged in a viewing area.
4. capacitance type touch-control panel according to claim 1, is characterized in that: wherein described in each first direction detecting unit and described in each second direction detecting unit be a touch pad.
5. capacitance type touch-control panel according to claim 1, is characterized in that: wherein described in each first direction detecting unit and described in each second direction detecting unit be to be formed by electro-conductive glass.
6. capacitance type touch-control panel according to claim 1, it is characterized in that: wherein this drive control module is to scanning with the described independent sweep trace person of being connected in this several column first direction detecting unit, to obtain the one first touch-control signal producing according to this touch-control input, and the capable second direction detecting unit of this plural number is scanned, to obtain the one second touch-control signal producing according to this touch-control input.
7. capacitance type touch-control panel according to claim 6, is characterized in that: this drive control module is further compared to this first touch-control signal and this second touch-control signal, to judge an essence position of touch.
8. a touch detection method, is characterized in that, comprises the following steps:
One capacitance type touch-control panel is provided, this capacitance type touch-control panel comprises several column first direction detecting unit and plural row second direction detecting unit, wherein this several column first direction detecting unit is divided into one first group and one second group, and the described several column first direction detecting unit in this first group and this second group is to interlock separately;
Make plural number share this several column first direction detecting unit not being connected with other shared sweep traces that sweep trace connects respectively this first group row and the capable second direction detecting unit of this plural number a line wherein wherein;
Row wherein of this several column first direction detecting unit that plural independent sweep trace is connected respectively be not connected with described shared sweep trace or the capable second direction detecting unit of this plural number that is not connected with described shared sweep trace a line wherein;
To scanning with the described independent sweep trace person of being connected in this several column first direction detecting unit, to obtain the one first touch-control signal producing according to a touch-control input;
The capable second direction detecting unit of this plural number is scanned, to obtain the one second touch-control signal producing according to this touch-control input; And
This first touch-control signal and this second touch-control signal are compared, to judge an essence position of touch.
9. touch detection method according to claim 8, it is characterized in that: wherein the M of this several column first direction detecting unit in this first group be listed as that N with the capable second direction detecting unit of this plural number is capable to be connected by this shared sweep trace, the M-1 of this several column first direction detecting unit of this first group is listed as or M+1 is listed as not that N-1 with the capable second direction detecting unit of this plural number is capable or N+1 is capable is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110330665.5A CN102360259B (en) | 2011-10-27 | 2011-10-27 | Capacitive touch panel and touch detection method for same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110330665.5A CN102360259B (en) | 2011-10-27 | 2011-10-27 | Capacitive touch panel and touch detection method for same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102360259A CN102360259A (en) | 2012-02-22 |
| CN102360259B true CN102360259B (en) | 2014-02-26 |
Family
ID=45585594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110330665.5A Expired - Fee Related CN102360259B (en) | 2011-10-27 | 2011-10-27 | Capacitive touch panel and touch detection method for same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102360259B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103336636B (en) * | 2013-06-14 | 2016-12-28 | 业成光电（深圳）有限公司 | Contact panel and touch control display apparatus |
| WO2022016384A1 (en) * | 2020-07-21 | 2022-01-27 | Huawei Technologies Co., Ltd. | Capacitive type sensor and touch screen display |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101847056A (en) * | 2010-03-19 | 2010-09-29 | 华映光电股份有限公司 | Touch panel with shared output pins and method thereof |
| CN101996008A (en) * | 2009-08-10 | 2011-03-30 | 义隆电子股份有限公司 | Control circuit and control method of capacitive touch pad as well as application thereof |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5337061B2 (en) * | 2009-02-20 | 2013-11-06 | セイコーインスツル株式会社 | Touch panel and display device including the same |
| KR20110111192A (en) * | 2010-04-02 | 2011-10-10 | 삼성전자주식회사 | Method and apparatus for implementing electrode patterns in touch panel |
-
2011
- 2011-10-27 CN CN201110330665.5A patent/CN102360259B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101996008A (en) * | 2009-08-10 | 2011-03-30 | 义隆电子股份有限公司 | Control circuit and control method of capacitive touch pad as well as application thereof |
| CN101847056A (en) * | 2010-03-19 | 2010-09-29 | 华映光电股份有限公司 | Touch panel with shared output pins and method thereof |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2010-218542A 2010.09.30 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102360259A (en) | 2012-02-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9189117B2 (en) | Touch display device | |
| CN105094497B (en) | A kind of touch electrode structure, touch-screen and display device | |
| US9996183B2 (en) | Touch-sensitive device and method for driving the same | |
| US9182865B2 (en) | Touch screen and touch panel including mutual capacitance type and self-capacitance type pixels, and driving method thereof | |
| EP2811380A2 (en) | Capacitive touch screen | |
| US9753565B2 (en) | Touch control display device and driving method thereof | |
| CN103777828A (en) | Touch panel device capable of recombining sensing points and sensing method | |
| US10884561B2 (en) | Touch substrate, method thereof for positioning a touch, and capacitive touch screen | |
| CN105718129A (en) | Touch display panel and driving method thereof | |
| CN102033637B (en) | Touch screen position detection method | |
| US20110216017A1 (en) | Touch Panel Apparatus | |
| CN104714327A (en) | Touch liquid crystal display panel and touch liquid crystal display device | |
| CN102880368A (en) | Method for scanning touch screen | |
| CN107066143A (en) | A kind of touch-control display panel and its driving method, touch control display apparatus | |
| CN104238835A (en) | Touch panel, touch electrode structure and detecting method thereof | |
| CN104808863A (en) | Noise scanning method and device as well as touch screen | |
| US9727169B2 (en) | Embedded display screen having touch detection function, terminal device, and touch detection method | |
| CN102360259B (en) | Capacitive touch panel and touch detection method for same | |
| CN103576955A (en) | Mutual capacitance type touch panel and touch system | |
| CN103699282A (en) | Touch display device | |
| TWI453644B (en) | Capacitive touch panel and touch detection method of the same | |
| CN105446535B (en) | Touch sensible element and touch control display apparatus | |
| US20130016051A1 (en) | Touch Panel Device Having a Divided ITO layer for Reducing Loading | |
| CN205451007U (en) | Touch -sensitive component and touch -sensitive display device | |
| CN106371679B (en) | Method for detecting active stylus on touch device and touch device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170807 Address after: 1#, building third, fourth, 6 West Road, Mawei West Road, Mawei District, Fujian, Fuzhou Co-patentee after: Chunghwa Picture Tubes Ltd. Patentee after: CPT DISPLAY TECHNOLOGY (SHENZHEN)CO., LTD. Address before: 350015, Xingye Road, Mawei Science Park, Fujian, Fuzhou 1, China Co-patentee before: Chunghwa Picture Tubes Ltd. Patentee before: Fujian Huaying Display Technology Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140226 Termination date: 20201027 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |