CN111625138B - Bendable display touch panel and method for repairing sensing film thereof - Google Patents
Bendable display touch panel and method for repairing sensing film thereof Download PDFInfo
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- CN111625138B CN111625138B CN202010441311.7A CN202010441311A CN111625138B CN 111625138 B CN111625138 B CN 111625138B CN 202010441311 A CN202010441311 A CN 202010441311A CN 111625138 B CN111625138 B CN 111625138B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
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Abstract
A foldable display touch panel includes: a receiving induction film and an emitting induction film; wherein, if the defect is damaged by bending, a controller of the receiving sensing film enters a repairing mode, except that a first circuit is used for receiving a driving signal of the sensing pattern, the first circuit and a second circuit are used for receiving sensing signals at two sides of the sensing pattern of a bending area, the area of a common finger touching a screen is larger than the width of a crack on the sensing pattern, so that the sensing patterns at the upper end and the lower end of the crack can generate the change of capacitance, and the controller can estimate the touched central point according to the variable quantity of the capacitance of the sensing patterns at the upper bending area and the lower bending area, therefore, the touch at the broken line position cannot fail; if the sensing pattern in the bending area of the transmitting sensing film is broken due to bending, the controller also enters a repairing mode, the controller compensates a driving signal aiming at one sensing pattern with the damage defect, so that the driving signal is lower than other normal sensing patterns without increasing the resistance value, and the sensing quantity and the touch performance of a receiving end are further improved.
Description
Technical Field
The present invention relates to a bendable display touch panel and a method for repairing a sensing film thereof, and more particularly to a display touch panel capable of continuing normal operation even when a bendable region is damaged due to bending.
Background
As materials and bending machine components are developed more and more, more and more products are being marketed, please refer to fig. 1A, 1B and 1C, a conventional bendable display touch panel 10 generally has a fixed bending region 11, such that a receiving sensing film 12(RX sensor film) and a transmitting sensing film 13(TX sensor film) in the conventional bendable display touch panel 10 are bent by a user for a plurality of times in the bending region 11, and thus damage 121, 131 to the receiving sensing film 12, the transmitting sensing film 13 and the sensing pattern in the region is most easily caused, such that the circuit of the receiving sensing film 12 and the transmitting sensing film 13 is easily bent and damaged in the bending region 11, and the bending region 11 cannot be touched.
Therefore, the conventional articles have many defects, and are not good designers, so that improvement is needed.
Disclosure of Invention
In view of the above, the present inventors have made various experiments on the manufacturing, development and design of related products for many years, and have made detailed design and careful evaluation to achieve the above objectives, and finally have obtained a practical invention.
The present invention provides a bendable display touch panel and a method for repairing an inductive film thereof, which can make the touch panel continue to operate normally even when the bendable region is damaged due to bending.
In accordance with the above object, the bendable display touch panel of the present invention has a fixed bending region, which mainly comprises: a receiving sensor film (RX sensor film) and a transmitting sensor film (TX sensor film); wherein, the top surface of the receiving induction film is connected with a Flexible Cover plate (Flexible Cover Lens) of the display touch panel through a first optical adhesive (OCA), the receiving induction film is provided with a plurality of first induction graphs which are arranged at equal intervals, the induction graph corresponding to the bending area is a bending area induction graph, the rest is a non-bending area induction graph, one side of the first induction graphs is provided with a controller (Control IC), the controller is provided with a plurality of first circuits on one side of the first induction graphs, one end of each first circuit is connected with one side of each first induction graph, the other end is connected to the controller, the controller is provided with at least one second circuit, one end of the second circuit is connected to the controller, and the other end is connected to the other side of the bending area induction graph; the emitting sensing film is connected with the receiving sensing film through a second optical cement, the bottom surface is connected with a Flexible Display layer (Flexible Display) of the Display touch panel through a third optical cement/water cement (OCA/OCR), the emitting sensing film is provided with a plurality of second sensing patterns which are arranged at equal intervals, the sensing pattern corresponding to the bending area is a bending area sensing pattern, the rest are non-bending area sensing patterns, two ends of the second sensing patterns are also connected to a controller (Control IC), and the controller is respectively connected with two sides of the sensing patterns through a plurality of third and fourth lines; therefore, when the bendable display touch panel is started to be used, the controller determines the defect positions of the first sensing patterns or the second sensing patterns corresponding to the bending area, when the defect positions are the first sensing patterns, the controller transmits driving signals through the first lines and the second lines connected with the first sensing patterns with the defects, the area of the common finger touching the screen is larger than the width of a crack on the sensing patterns, when the finger is close to the crack, the sensing patterns at the upper end and the lower end of the crack generate capacitance change, the controller can estimate the touched central point according to the capacitance change of the sensing patterns at the upper bending area and the lower bending area, and therefore touch at the broken line position cannot fail; when the defect is confirmed to be located in the second sensing patterns, the controller transmits a compensation signal through the third lines and the fourth lines connected with the second sensing patterns of the defects, so that the driving signal is lower than other normal sensing patterns without increasing the resistance value, and the sensing quantity and the touch performance (touch performance) of the Receiving (RX) end are further improved.
For further understanding and appreciation of the objects, shapes, structural features, and functions of the present invention, reference will now be made in detail to the embodiments illustrated in the accompanying drawings, in which:
drawings
Fig. 1A, 1B and 1C are schematic views of a conventional bendable display touch panel and its receiving sensing film and emitting sensing film.
FIG. 2 is a schematic view of a foldable display touch panel according to the present invention.
FIG. 3 is a schematic view of the bendable display touch panel according to the present invention.
FIG. 4 is a schematic structural diagram of a foldable display touch panel according to the present invention.
FIG. 5 is a schematic structural diagram of a receiving sensor film of a foldable display touch panel according to the present invention.
FIG. 6 is a schematic structural diagram of an emission sensing film of a foldable display touch panel according to the present invention.
FIG. 7 is a flowchart illustrating the operation of the controller of the foldable display touch panel according to the present invention.
FIG. 8 is a flowchart illustrating the detecting operation of the repairing method of the flexible touch sensing film of the touch display device according to the present invention.
FIG. 9 is a flowchart illustrating the detecting operation of the repairing method for the flexible touch sensing film of the touch display device according to another embodiment of the present invention.
Reference numerals
Bending region 21
Receiving sensing film 31
First optical cement 33
Inflection zone sense pattern 312
Non-bending region induction pattern 313
Second optical glue 35
Third optical glue/water glue 36
Flexible display panel 37
Bending zone sensing pattern 322
Non-bending region sensing pattern 323
Third and fourth lines 325, 326
Non-bent region 22
Detailed Description
Referring to fig. 2 and 3, the bendable display touch panel of the present invention includes a touch panel 20, the touch panel 20 has a fixed bending region 21 and at least one non-bending region 22, the bending region 21 is adjacent to the non-bending regions 22, and the bending region 21 is located between the two non-bending regions 22.
Referring to fig. 4, the touch panel 20 mainly includes: a controller 40(Control IC) (not shown), a receiving sensor film 31(RX sensor film) and a transmitting sensor film 32(TX sensor film); the top surface of the receiving sensing film 31 is connected to a Flexible Cover 34(Flexible Cover Lens) of the Display touch panel 20 through a first optical adhesive 33(OCA), the top surface of the emitting sensing film 32 is connected to the receiving sensing film 31 through a second optical adhesive 35, and the bottom surface is connected to a Flexible Display panel 37(Flexible Display) of the Display touch panel 20 through a third optical adhesive/water adhesive 36 (OCA/OCR).
Referring to fig. 4 and 5, the receiving sensor film 31 has a plurality of first sensor patterns 311 arranged at equal intervals, the first sensing pattern 311 corresponding to the bending region 21 is a bending region sensing pattern 312, the other adjacent ones are non-bending region sensing patterns 313, one side of the first sensing patterns 311 is provided with a controller 40(Control IC), the controller 40 is provided with a plurality of first circuits 315 at one end of the first sensing patterns 311, one end of each first circuit 315 is connected to one end of each first sensing pattern 311, the other end is connected to the controller 40, the controller 40 is further provided with at least one second circuit 316, one end of the second circuit 316 is connected to the controller 40, and the other end is connected to the other end of the bending region sensing pattern 312 of the first sensing pattern 311, so that the end of the first sensing pattern 311 corresponding to the bending region 21, which is opposite to the first circuit 315, is provided with a plurality of second circuits 316 electrically connected to the controller 40.
Referring to fig. 4 and 6, the emission sensing film 32 is stacked on the reception sensing film 31 by a second optical adhesive 35, the emission sensing film 32 has a plurality of second sensing patterns 321 arranged at equal intervals, the arrangement direction of the second sensing patterns 321 intersects with the arrangement direction of the first sensing patterns 311, the second sensing pattern 321 corresponding to the bending region 21 is a bending region sensing pattern 322, the other adjacent ones are non-bending region sensing patterns 323, one end of the sensing patterns is provided with the controller 40, and the controller 40 is connected to two ends of the second sensing patterns 321 by a plurality of third lines 325 and fourth lines 326.
Referring to fig. 5 and 6, the controller 40 includes a compensation unit (not shown) for providing a compensation signal to the first sensing patterns 311 or the second sensing patterns 321 corresponding to the bending portion, the compensation unit providing a driving signal (not shown) to the second lines 316 so that the second lines 316 receive the driving signal of the controller 40, and the compensation unit providing a compensation signal (not shown) to the fourth lines 326 to increase the driving voltage and increase the charging time or the number of charges.
Referring to fig. 7, the operation flow of the repairing method for the sensing film of the foldable touch display device of the present invention is described as follows, when the touch panel 20 is powered on, the following steps are performed:
(701) first, the controller 40 determines the defect position of the first sensing patterns 311 or the second sensing patterns 321 corresponding to the bending region 21.
(702) When the controller 40 determines that the defect is located at the first sensing patterns 311, the controller 40 transmits a driving signal through the first lines 315 and the second lines 316 connected to the first sensing patterns 311, the controller 40 further includes a compensation unit for providing a compensation signal to the first sensing patterns 311, the compensation unit provides a driving signal to the second lines 316, so that the second lines 316 receive the driving signal of the controller 40, the area of the screen touched by a common finger is larger than the width of the crack on the first sensing patterns 311, when the finger is close to the crack, the first sensing patterns 311 at the upper and lower ends of the crack generate a change in capacitance, the controller 40 can estimate the touched center point according to the change in capacitance of the upper and lower bending region sensing patterns 312, therefore, touch control at the disconnection position cannot be failed.
(703) When the controller 40 determines that the defect location is located in the second sensing patterns 321, the controller 40 transmits a compensation signal through the third lines 325 and the fourth lines 326 connected to the defective second sensing patterns 321, the compensation signal is provided by the compensation unit of the controller, and the compensation signal is supplied to the defective second sensing patterns 321 to increase the driving voltage and the driving charge number, so that the driving signal is lower than other normal second sensing patterns 321 without increasing the resistance value, thereby improving the sensing amount and touch performance (touch performance) of the Receiving (RX) end.
(704) If the controller 40 confirms that the first and second sensing patterns 311 and 321 are defective at the same time, a compensation unit of the controller 40 simultaneously provides a compensation signal to the first and second sensing patterns 311 and 321 to provide a driving signal to the second lines 316 and transmits a compensation signal to the third and fourth lines 325 and 326 to enable the second lines 316 to receive the driving signal and the second sensing patterns 321 of the controller 40 to increase the driving voltage and the number of driving charges. The transmitting sensing film 32 transmits a touch signal, and the receiving sensing film 31 receives the touch signal, if a finger approaches the touch panel 20, some touch signal will be taken away, so that the amount of the signal received by the receiving sensing film 31 changes, and the controller 40 of the receiving sensing film 31 calculates the touch position of the finger according to the change of the amount of the signal.
When the defect occurs in the transmission sensing film 32, the resistance of the bending region sensing pattern 322 is increased, so that the charging speed of the bending region sensing pattern 322 is slower or the charging is not full, the driving signal will be lower than that of the other normal second sensing patterns 321, and the sensing amount of the receiving end of the receiving sensing film 31 is insufficient.
Referring to fig. 8, a flowchart of a detection operation of the repairing method for the sensing film of the foldable touch display device according to the present invention is shown, when the touch panel 20 is turned on for use, the controller 40 performs the following steps:
(801) firstly, starting a power supply;
(802) entering a detection mode;
(803) determine whether there is an open or short circuit condition in each bending region sensing pattern 312 of the receiving sensing film 31? If the defect is not damaged, performing step (806); if the defect has been damaged by bending, continuing with step (804);
(804) if the defect is generated due to the bending damage, the controller 40 enters a repair mode;
(805) in addition to using the first circuit 315 to receive the driving signal of the first sensing pattern 311, the first circuit 315 and the second circuit 316 are also used to receive the driving signals of both ends of the bending region sensing pattern 312;
(806) a normal operating mode is entered.
Referring to fig. 9, a flowchart of another embodiment of the detecting operation of the repairing method for the sensing film of the foldable touch display device according to the present invention, when the touch panel 20 is powered on, the controller 40 performs the following steps:
(901) firstly, starting a power supply;
(902) entering a detection mode;
(903) determine whether there is an open or short circuit condition in each bending region sensing pattern 322 of the emission sensing film 32? If the defect is not damaged, the step (906) is carried out; if the defect has been damaged by bending, continuing with the following step (904);
(904) if the defect has been damaged by bending, the controller 40 also enters a repair mode;
(905) the controller 40 will compensate the driving signal for the bending region sensing pattern 322 with the damage defect, so that the driving signal is lower than the other normal second sensing patterns 321 due to the increase of the resistance, and further improve the sensing quantity and touch performance of the Receiving (RX) end;
(906) a normal operating mode is entered.
In summary, the present invention provides a bendable display touch panel, which can perform self-detection and automatic repair procedure when the bendable region is damaged due to bending, and the touch panel can still continue normal operation, so as to meet the requirements of novelty and advancement specified by patent laws.
The above-described embodiments are only the best embodiments of the present invention, but the structural features of the present invention are not limited thereto, and any changes or modifications that can be easily conceived by those skilled in the art can be covered by the following claims.
Claims (9)
1. A bendable display touch panel is characterized in that it comprises:
a touch panel having a bending region and at least one non-bending region adjacent to the bending region, comprising:
a controller;
a receiving sensing film having a plurality of first sensing patterns arranged at equal intervals, one end of the first sensing patterns being electrically connected to the controller by a plurality of first circuits;
an emission sensing film stacked on the reception sensing film and having a plurality of second sensing patterns arranged at equal intervals, one end of the second sensing patterns being electrically connected to the controller by a plurality of third circuits, and the arrangement direction of the second sensing patterns intersecting the arrangement direction of the first sensing patterns; and
a plurality of second circuits are disposed at one end of the first sensing pattern corresponding to the bending region and opposite to the first circuits, and electrically connected to the controller;
wherein the second sensing patterns corresponding to the second sensing patterns of the bending region are provided with a plurality of fourth circuits opposite to the other ends of the third circuits and electrically connected with the controller; the controller further includes a compensation unit for providing a compensation signal to the first sensing patterns or the second sensing patterns corresponding to the bending region; the compensation unit further provides a driving signal to the second lines, so that the second lines receive the driving signal of the controller; the compensation unit further provides a compensation signal to the fourth lines to increase the driving voltage to increase the charging time or the number of charges.
2. The bendable display touch panel according to claim 1, wherein the bending region is located between two non-bending regions.
3. The bendable display touch panel according to claim 1, further comprising a flexible display panel attached to the touch panel by an optical adhesive.
4. A method for repairing the sensing film of the foldable display touch panel according to any one of claims 1-3, comprising:
the controller determines the defect position of the first sensing patterns or the second sensing patterns corresponding to the bending region;
when the defect is confirmed to be located in the first sensing patterns, the controller transmits driving signals through the first lines and the second lines connected with the first sensing patterns of the defects.
5. The method of claim 4 further comprising the step of the controller transmitting a compensation signal via the third lines and the fourth lines connected to the defective second sensing patterns when the defective second sensing patterns are located in the defective second sensing patterns.
6. The method as claimed in claim 5, wherein the compensation signal is applied to the defective second sensing patterns to increase the driving voltage.
7. The method as claimed in claim 6, wherein the compensation signal is supplied to the defective second sensing patterns to increase the number of driving charges.
8. The method as claimed in claim 6, wherein the compensation signal is provided by the compensation unit of the controller.
9. The method as claimed in claim 8, wherein the compensation unit further provides a driving signal to the second circuits, so that the second circuits receive the driving signal of the controller.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010441311.7A CN111625138B (en) | 2020-05-22 | 2020-05-22 | Bendable display touch panel and method for repairing sensing film thereof |
| TW109117854A TWI730787B (en) | 2020-05-22 | 2020-05-28 | Bending display touch panel and method for repairing its sensing film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010441311.7A CN111625138B (en) | 2020-05-22 | 2020-05-22 | Bendable display touch panel and method for repairing sensing film thereof |
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| Publication Number | Publication Date |
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| CN111625138A CN111625138A (en) | 2020-09-04 |
| CN111625138B true CN111625138B (en) | 2022-04-15 |
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| CN202010441311.7A Active CN111625138B (en) | 2020-05-22 | 2020-05-22 | Bendable display touch panel and method for repairing sensing film thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105487734A (en) * | 2015-12-15 | 2016-04-13 | 昆山工研院新型平板显示技术中心有限公司 | Capacitive touch type flexible display panel and flexible display thereof |
| CN108122536A (en) * | 2016-11-30 | 2018-06-05 | 乐金显示有限公司 | Display device |
| GB201908141D0 (en) * | 2018-06-08 | 2019-07-24 | Lg Display Co Ltd | Stretchable display device, panel driving circuit and the method of driving the same |
| CN110333798A (en) * | 2019-07-12 | 2019-10-15 | 业成科技（成都）有限公司 | Operation method for external display common touch control |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI514219B (en) * | 2013-12-17 | 2015-12-21 | Ind Tech Res Inst | Bending sensor and associated bending sensing method and system applied to flexible display panel |
| KR102264748B1 (en) * | 2015-03-03 | 2021-06-14 | 삼성디스플레이 주식회사 | Touch device and display including the same |
| CN106020575B (en) * | 2015-03-27 | 2020-12-04 | 东友精细化工有限公司 | Touch panel |
| KR102385101B1 (en) * | 2015-04-24 | 2022-04-13 | 삼성디스플레이 주식회사 | Flexible display device and method for driving the same |
| KR102590316B1 (en) * | 2016-12-05 | 2023-10-17 | 삼성디스플레이 주식회사 | Display device |
| CN107544715A (en) * | 2017-09-08 | 2018-01-05 | 业成科技（成都）有限公司 | Touch control display apparatus |
| JP2019185462A (en) * | 2018-04-12 | 2019-10-24 | シャープ株式会社 | Display device equipped with touch panel and correction method therefor |
| JP2019184945A (en) * | 2018-04-16 | 2019-10-24 | シャープ株式会社 | Wiring board and display device |
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2020
- 2020-05-22 CN CN202010441311.7A patent/CN111625138B/en active Active
- 2020-05-28 TW TW109117854A patent/TWI730787B/en active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105487734A (en) * | 2015-12-15 | 2016-04-13 | 昆山工研院新型平板显示技术中心有限公司 | Capacitive touch type flexible display panel and flexible display thereof |
| CN108122536A (en) * | 2016-11-30 | 2018-06-05 | 乐金显示有限公司 | Display device |
| GB201908141D0 (en) * | 2018-06-08 | 2019-07-24 | Lg Display Co Ltd | Stretchable display device, panel driving circuit and the method of driving the same |
| CN110333798A (en) * | 2019-07-12 | 2019-10-15 | 业成科技（成都）有限公司 | Operation method for external display common touch control |
Also Published As
| Publication number | Publication date |
|---|---|
| TW202144974A (en) | 2021-12-01 |
| TWI730787B (en) | 2021-06-11 |
| CN111625138A (en) | 2020-09-04 |
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