CN105487734A - Capacitive touch type flexible display panel and flexible display thereof - Google Patents
Capacitive touch type flexible display panel and flexible display thereof Download PDFInfo
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- CN105487734A CN105487734A CN201510938577.1A CN201510938577A CN105487734A CN 105487734 A CN105487734 A CN 105487734A CN 201510938577 A CN201510938577 A CN 201510938577A CN 105487734 A CN105487734 A CN 105487734A
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- flexible display
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
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Abstract
The invention provides a capacitive touch type flexible display panel and a flexible display thereof, wherein the capacitive touch type flexible display panel comprises a touch display area and a bending induction area; the bending induction area surrounds the touch display area; a plurality of induction electrodes are arranged in the touch display area; a plurality of induction units are arranged in the bending induction area; the plurality of induction units and the plurality of induction electrodes are connected with a touch chip; and the touch chip corrects capacitance values measured by the plurality of induction electrodes according to screen body bending position information sensed by the plurality of induction units. In the capacitive touch type flexible display panel and the flexible display thereof provided by the invention, the induction units are arranged around the touch display area; therefore, the screen body bending position is sensed; capacitance correction values are fed back to the touch chip; and thus, error judgement of a touch signal is reduced.
Description
Technical field
The present invention relates to display technology field, particularly a kind of capacitance touching control formula flexible display panels and flexible display thereof.
Background technology
In recent years, along with fast development and the application of infotech, radio mobile communication and information household appliances, the dependence of people to electronic product grows with each passing day, and more brings the flourish of various display technique and display device.Touch controllable function is combined the touch-control display panel formed with Presentation Function, owing to having the characteristic of human-computer interaction, be widely used on various product, comprised mobile phone (mobilephone), satellite navigation system (GPSnavigatorsystem), flat computer (tabletPC), personal digital assistant (PDA), mobile computer (laptopPC) and Medical Devices etc.
Greatly, more common touch technology comprises resistance-type, condenser type, optical profile type etc. in the development of touch technology now.Wherein capacitive touch control techniques has the features such as high-accuracy, multi-point touch (Multi-Touch), high durability and high touch-control resolution, has become the main flow touch technology that at present, high-order consumption electronic product uses.
The development of display technique too greatly, has occurred that various display technique comprises liquid crystal display (LCD) technology, plasma display (PDP) technology, vacuum fluorescence display (VFD) technology, ORGANIC ELECTROLUMINESCENCE DISPLAYS (OLED) technology and flexible display technologies etc.Wherein, the prediction display technique that flexible display technologies light and handy, shock-resistant, flexiblely to be got owing to having, the feature such as wearable has just like become a new generation.
Touch flexible display panels combines the advantage of touch technology and flexible display technologies, not only there is changeable type or flexible feature, and user just can direct control by finger or pointer etc., convenient as snug as a bug in a rug, therefore receive the concern of people.Particularly capacitance touching control formula flexible display panels, because it has outstanding advantage, becomes the attention product that recent industry is suitable.
Please refer to Fig. 1, it is the vertical view of the capacitance touching control formula flexible display panels of prior art.As shown in Figure 1, existing capacitance touching control formula flexible display panels 10 comprises: touch display area 10a and the frame 10b around described touch display area, induction electrode array (not shown) is provided with in described touch display area 10a, described induction electrode array comprises multiple induction electrode, each induction electrode is all connected with a touch chip (not shown) by wire, described touch chip utilizes described multiple induction electrode to detect the capacitance variations of touch point, to realize touch sensible.
When the finger of people or other conductors touch a certain position of described touch display area 10a, a capacity effect can be produced, the capacitance between the induction electrode of this position is changed.Therefore, the change by capacitance can determine touch point (i.e. the position of finger or the touching of other conductors).
But, find that touching signals erroneous judgement problem easily appears in described capacitance touching control formula flexible display panels 10 when being in bending state in actual use.Please refer to Fig. 2, it is the cut-open view of the capacitance touching control formula flexible display panels of prior art.As shown in Figure 2, in described capacitance touching control formula flexible display panels 10, described induction electrode comprises spaced first induction electrode 11 and the second induction electrode 12, when described capacitance touching control formula flexible display panels 10 is in bending state, distance between described first induction electrode 11 and the second induction electrode 12 can change, and the capacitance between two induction electrodes is changed thereupon.Visible, the bending of screen body also can cause capacitance variation.Existing capacitance touching control formula flexible display is determined in the process of touch point in the change by capacitance, and the capacitance variation caused because of the bending of screen body can cause the erroneous judgement of touching signals.
Base this, the problem that causes touching signals to judge by accident becomes the current technical matters needing solution badly due to the bending of screen body how to solve existing capacitance touching control formula flexible display.
Summary of the invention
The object of the present invention is to provide a kind of capacitance touching control formula flexible display panels and flexible display thereof, to solve the problem that existing capacitance touching control formula flexible display causes touching signals to judge by accident because of the bending of screen body.
For solving the problems of the technologies described above, the invention provides a kind of capacitance touching control formula flexible display panels, described capacitance touching control formula flexible display panels comprises: touch display area and bending induction region; Described bending induction region is around described touch display area, multiple induction electrode is provided with in described touch display area, multiple sensing unit is provided with in described bending induction region, described multiple sensing unit is all connected with a touch chip with described multiple induction electrode, and described touch chip corrects the capacitance that described multiple induction electrode records according to the screen body crooked place information of described multiple sensing unit sensing.
Optionally, in described capacitance touching control formula flexible display panels, described multiple sensing unit is equidistant being arranged in described bending induction region.
Optionally, in described capacitance touching control formula flexible display panels, described sensing unit is capacitive sensing unit, and each capacitive sensing unit all has a receiving pole, multiple capacitive sensing units shared one emitter.
Optionally, in described capacitance touching control formula flexible display panels, described flexible display panels also comprises frame, and described frame is around described touch display area, and described bending induction region is arranged in described frame.
Optionally, in described capacitance touching control formula flexible display panels, each induction electrode comprises one first induction electrode and one second induction electrode, and described first induction electrode and the second induction electrode interval are arranged.
Optionally, in described capacitance touching control formula flexible display panels, described first induction electrode and the second induction electrode are transparent induction electrode.
Optionally, in described capacitance touching control formula flexible display panels, described touch chip is bundled in described capacitance touching control formula flexible display panels.
Optionally, in described capacitance touching control formula flexible display panels, described touch chip is bundled in described capacitance touching control formula flexible display panels by glass flip chip mode.
The present invention also provides a kind of flexible display, and described flexible display comprises: touch chip and capacitance touching control formula flexible display panels as above;
Multiple sensing unit of described capacitance touching control formula flexible display panels is all connected with described touch chip with multiple induction electrode.
Optionally, in described flexible display, the mode of operation of described flexible display comprises flattened version, the beam mode fixing curvature and Grazing condition pattern.
In the capacitance touching control formula flexible display panels provided in the embodiment of the present invention and flexible display thereof, by arranging sensing unit to sense screen body crooked place around touch display area, and feedback capacity corrected value is to touch chip, thus reduce the erroneous judgement of touching signals.
Accompanying drawing explanation
Fig. 1 is the vertical view of the capacitance touching control formula flexible display panels of prior art;
Fig. 2 is the cut-open view of the capacitance touching control formula flexible display panels of prior art;
Fig. 3 is the vertical view of the capacitance touching control formula flexible display panels of the embodiment of the present invention;
Embodiment
The capacitance touching control formula flexible display panels proposed the present invention below in conjunction with the drawings and specific embodiments and flexible display thereof are described in further detail.According to the following describes and claims, advantages and features of the invention will be clearer.It should be noted that, accompanying drawing all adopts the form that simplifies very much and all uses non-ratio accurately, only in order to object that is convenient, the aid illustration embodiment of the present invention lucidly.
Please refer to Fig. 3, it is the vertical view of the capacitance touching control formula flexible display panels of the embodiment of the present invention.As shown in Figure 3, described capacitance touching control formula flexible display panels 20 comprises: touch display area 20a and bending induction region 20c; Described bending induction region 20c is around described touch display area 20a, multiple induction electrode (not shown) is provided with in described touch display area 20a, multiple sensing unit 22 (not shown) is provided with in described bending induction region 20c, described multiple sensing unit 22 and multiple induction electrode are all connected with a touch chip (not shown), the screen body crooked place information that described touch chip senses according to described sensing unit 22, corrects the capacitance that described multiple induction electrode records.
Concrete, described flexible display panels 20 comprises touch display area 20a and the frame 20b around described touch display area 20a, and described bending induction region 20c to be arranged in described frame 20b and around described touch display area 20a.
Please continue to refer to Fig. 3, multiple sensing unit for sensing crooked place is provided with in described bending induction region 20c, described sensing unit is capacitive sensing unit, each capacitive sensing unit includes a receiving pole, described receiving pole is connected (not shown) respectively by wire with a touch chip, multiple capacitive sensing units shared one emitter, described emitter is near described touch display area 20a, described receiving pole is away from touch display area 20a, and multiple receiving pole is around described emitter.
Preferably, the distance between adjacent receiving pole 221 is equal.So, multiple capacitive sensing unit is equidistant is arranged in described bending induction region 20c.
In other embodiments, described sensing unit 22 can adopt the sensing unit of other types, as long as described sensing unit can be made in flexible display panels.
Please continue to refer to Fig. 3, be provided with multiple transparent induction electrode (not shown) in described touch display area 20a, described multiple induction electrode is all connected with described touch chip by wire.Described touch chip utilizes described multiple induction electrode Detection capacitance value, and by detecting the capacitance variation of touch point, realizes touch sensible.
When the finger of people or other conductors touch a certain position of described touch display area 20a, a capacity effect can be produced, the capacitance between the induction electrode of this position is changed.Described touch chip records capacitance by described induction electrode, and determines touch point (i.e. the position of finger or the touching of other conductors) by the change of capacitance.
In the present embodiment, each induction electrode comprises the first induction electrode and the second induction electrode, and described first induction electrode and the second induction electrode interval are arranged.
Before described touch chip scans with Detection capacitance value to described multiple induction electrode (before carrying out touch control operation), described touch chip utilizes the sensing unit 22 arranged in described bending induction region 20c to sense the crooked place of described capacitance touching control formula flexible display panels 20.
When bending occurs described capacitance touching control formula flexible display panels 20, because the capacitance of crooked place changes, the sensing unit 22 arranged in described bending induction region 20c can sense corresponding inflection point.As shown in Figure 3, when described capacitance touching control formula flexible display panels 20 bends (beam mode being namely in fixing curvature) along a stationary shaft AA ', the first inflection point (X1 can be sensed by described sensing unit 22, Y1) and the second inflection point (X2, Y2); When there is bending along two stationary shaft (AA ' and BB ') respectively in described capacitance touching control formula flexible display panels 20, the first inflection point (X1 can be sensed by described sensing unit 22, Y1), the second inflection point (X2, Y2), the 3rd inflection point (X3, Y3) the and four inflection point (X4, Y4).Analogize therewith, when many places bending (being namely in Grazing condition pattern) occur described capacitance touching control formula flexible display panels 20, multiple inflection point can be sensed by described sensing unit 22.
Described touch chip judges according to the screen body crooked place information that described sensing unit 22 senses the particular location that described capacitance touching control formula flexible display panels 20 bends, and obtains the capacitive calibration value of described sensing unit 22 feedback.
Scan with (when carrying out touch control operation) during Detection capacitance value described multiple induction electrode in described touch chip, the capacitive calibration value that described touch chip is fed back according to described sensing unit 22 corrects the capacitance recorded.Therefore, even if described capacitance touching control formula flexible display panels 20 occurs the bending of screen body and causes capacitance variation, the judgement of described touch chip for touching signals can not also be affected.
In the present embodiment, by arranging sensing unit 22 around touch display area 20a, the sensing shielding body crooked place can be realized on the basis not increasing manufacturing cost, thus avoid the undesired signal that produces because the bending of screen body causes capacitance variation.
In the present embodiment, described touch chip is bundled in described capacitance touching control formula flexible display panels 20.Preferably, described touch chip is tied in described capacitance touching control formula flexible display panels 20 by glass flip chip (Chip-on-Glass is called for short COG) mode.By COG mode, described touch chip is bundled in described capacitance touching control formula flexible display panels 20, the difficulty of conventional encapsulation can be avoided, and significantly reduce overall volume.
Accordingly, the present embodiment additionally provides a kind of flexible display, and described flexible display comprises capacitance touching control formula flexible display panels 20 as above.Specifically please refer to above, repeat no more herein.
The mode of operation of described flexible display comprises: the beam mode of flattened version, fixing curvature and Grazing condition pattern.When described flexible display is in flattened version, can not uses and close sensing unit 22.When described flexible display is in the beam mode of fixing curvature, two inflection points can be sensed by described sensing unit 22, and judge that described capacitance touching control formula flexible display panels 20 shields the particular location of body bending, thus the erroneous judgement in bending region is cast aside.When described flexible display is in Grazing condition pattern, multiple inflection point can be sensed by described sensing unit 22, the erroneous judgement in each bending region is all cast aside.
Described flexible display, by the change of capacitance, determines induction point (positions of finger or other conductors).Even if the bending of screen body causes capacitance variation, the judgement of touch chip for touching signals also can not be affected.
To sum up, in capacitance touching control formula flexible display panels provided by the invention and flexible display thereof, by arranging sensing unit to sense screen body crooked place around touch display area, and feedback capacity corrected value is to touch chip, thus reduces the erroneous judgement of touching signals.
Foregoing description is only the description to present pre-ferred embodiments, any restriction not to the scope of the invention, and any change that the those of ordinary skill in field of the present invention does according to above-mentioned disclosure, modification, all belong to the protection domain of claims.
Claims (10)
1. a capacitance touching control formula flexible display panels, is characterized in that, comprising: touch display area and bending induction region; Described bending induction region is around described touch display area, multiple induction electrode is provided with in described touch display area, multiple sensing unit is provided with in described bending induction region, described multiple sensing unit is all connected with a touch chip with described multiple induction electrode, and described touch chip corrects the capacitance that described multiple induction electrode records according to the screen body crooked place information of described multiple sensing unit sensing.
2. capacitance touching control formula flexible display panels as claimed in claim 1, it is characterized in that, described multiple sensing unit is equidistant being arranged in described bending induction region.
3. capacitance touching control formula flexible display panels as claimed in claim 1 or 2, it is characterized in that, described sensing unit is capacitive sensing unit, and each capacitive sensing unit all has a receiving pole, multiple capacitive sensing units shared one emitter.
4. capacitance touching control formula flexible display panels as claimed in claim 1, it is characterized in that, described flexible display panels also comprises frame, and described frame is around described touch display area, and described bending induction region is arranged in described frame.
5. capacitance touching control formula flexible display panels as claimed in claim 1, it is characterized in that, each induction electrode comprises one first induction electrode and one second induction electrode, and described first induction electrode and the second induction electrode interval are arranged.
6. capacitance touching control formula flexible display panels as claimed in claim 5, it is characterized in that, described first induction electrode and the second induction electrode are transparent induction electrode.
7. capacitance touching control formula flexible display panels as claimed in claim 1, it is characterized in that, described touch chip is bundled in described capacitance touching control formula flexible display panels.
8. capacitance touching control formula flexible display panels as claimed in claim 1, it is characterized in that, described touch chip is bundled in described capacitance touching control formula flexible display panels by glass flip chip mode.
9. a flexible display, is characterized in that, comprising: touch chip and the capacitance touching control formula flexible display panels according to any one of claim 1 to 8;
Multiple sensing unit of described capacitance touching control formula flexible display panels is all connected with described touch chip with multiple induction electrode.
10. flexible display as claimed in claim 9, is characterized in that, the mode of operation of described flexible display comprises flattened version, the beam mode fixing curvature and Grazing condition pattern.
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| CN105955534A (en) * | 2016-05-09 | 2016-09-21 | 京东方科技集团股份有限公司 | Flexible display module and manufacturing method thereof |
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| CN116069195B (en) * | 2023-01-16 | 2025-04-15 | 敦泰电子（深圳）有限公司 | Self-capacitance correction method, touch control chip and touch control device |
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| CN105487734B (en) | 2019-04-12 |
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Application publication date: 20160413 Assignee: Bazhou Yungu Electronic Technology Co., Ltd.|Yungu (Gu'an) Technology Co., Ltd Assignor: Kunshan Institute of technology new flat panel display technology center Co., Ltd.|Kunshan Guoxian photoelectric Co., Ltd Contract record no.: X2019990000153 Denomination of invention: Capacitive touch type flexible display panel and flexible display thereof Granted publication date: 20190412 License type: Common License Record date: 20191030 |
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Effective date of registration: 20201216 Address after: No.146 Tianying Road, high tech Zone, Chengdu, Sichuan Province Patentee after: Chengdu CHENXIAN photoelectric Co.,Ltd. Address before: No. 188, CHENFENG Road, Kunshan high tech Zone, Kunshan City, Suzhou City, Jiangsu Province Patentee before: Kunshan New Flat Panel Display Technology Center Co.,Ltd. Patentee before: KunShan Go-Visionox Opto-Electronics Co.,Ltd. |
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