CN108509080B - Flexible display and partition control method thereof - Google Patents
Flexible display and partition control method thereof Download PDFInfo
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- CN108509080B CN108509080B CN201810287850.2A CN201810287850A CN108509080B CN 108509080 B CN108509080 B CN 108509080B CN 201810287850 A CN201810287850 A CN 201810287850A CN 108509080 B CN108509080 B CN 108509080B
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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
- G06F3/0414—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using force sensing means to determine a position
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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
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04104—Multi-touch detection in digitiser, i.e. details about the simultaneous detection of a plurality of touching locations, e.g. multiple fingers or pen and finger
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Abstract
A flexible display, comprising: the flexible display screen is provided with a plurality of pixel display units and a plurality of isolation columns, and the isolation columns are arranged between two adjacent pixel display units; the flexible substrate is opposite to the flexible display screen and arranged at intervals; the piezoelectric sensing module comprises a plurality of piezoelectric sensing modules, each piezoelectric sensing module comprises a corresponding protruding structure and a corresponding piezoelectric sensing unit, the protruding structure is arranged at one end, facing the flexible substrate, of the isolation column, the piezoelectric sensing unit is arranged at one side, facing the flexible display screen, of the flexible substrate, and when the flexible display screen is bent, the piezoelectric sensing module is located at the bending position, and the protruding structures are in contact with the corresponding piezoelectric sensing units. The invention also provides a partition positioning method of the flexible display. The invention can accurately and sensitively confirm the partition position by a multipoint connection mode, and can realize the control of multi-partition, multi-shape partition and small-area partition.
Description
Technical Field
The invention relates to the field of displays, in particular to a flexible display and a partition control method thereof.
Background
The flexible display has the characteristics of lightness, thinness, softness, large deformation degree and the like, along with the development of the flexible display, the partition display requirement of the flexible screen can become an important function, and the flexible display also has a technical problem on how to accurately and sensitively control a partition area. The flexible display is provided with a sensor at two sides to sense the deformation position, so that the partition is realized.
Disclosure of Invention
Therefore, there is a need for a flexible display and a partition control method thereof, which can control a plurality of shapes and small areas of a partition area.
A flexible display, comprising:
the flexible display screen is provided with a plurality of pixel display units and a plurality of isolation columns, and the isolation columns are arranged between two adjacent pixel display units;
the flexible substrate is opposite to the flexible display screen and arranged at intervals;
the piezoelectric sensing module comprises a plurality of piezoelectric sensing modules, each piezoelectric sensing module comprises a corresponding protruding structure and a corresponding piezoelectric sensing unit, the protruding structure is arranged at one end, facing the flexible substrate, of the isolation column, the piezoelectric sensing unit is arranged at one side, facing the flexible display screen, of the flexible substrate, and when the flexible display screen is bent, the piezoelectric sensing module is located at the bending position, and the protruding structures are in contact with the corresponding piezoelectric sensing units.
In one embodiment, the piezoelectric sensing modules are distributed and arranged at equal intervals.
In one embodiment, the piezoelectric induction module is arranged at intervals of 3-10 isolation columns.
In one embodiment, the distance between the piezoelectric sensing unit and the corresponding protruding structure is 0.1mm to 1 mm.
In one embodiment, the height of the raised structures is 1 μm to 4 μm.
In one embodiment, the piezoelectric sensing units include a plurality of piezoelectric sensing films and an electrode layer stacked on the piezoelectric sensing films, the piezoelectric sensing films are distributed and arranged at equal intervals, the electrode layer includes a plurality of row electrodes and column electrodes distributed in an array, each row electrode is stacked on all the piezoelectric sensing films in the row, and each column electrode is stacked on all the piezoelectric sensing films in the column.
In one embodiment, a touch module is disposed on a side of the flexible substrate facing away from the flexible display layer.
A flexible display, comprising:
the flexible display screen is provided with a plurality of pixel display units, a plurality of first isolation columns and a plurality of second isolation columns, the first isolation columns and the second isolation columns are respectively arranged between two adjacent pixel display units, and the heights of the second isolation columns are higher than those of the first isolation columns;
the flexible substrate is opposite to the flexible display screen and arranged at intervals;
each piezoelectric induction module comprises a second isolation column and a piezoelectric induction unit which is arranged corresponding to the second isolation column, the piezoelectric induction unit is arranged on one side, facing the flexible display screen, of the flexible substrate, and when the flexible display is bent, the piezoelectric induction module is located in the bending position, and the second isolation column is in contact with the piezoelectric induction unit corresponding to the second isolation column.
A partition positioning method of a flexible display is used for partition positioning of the flexible display provided with a plurality of piezoelectric induction modules and comprises the following steps:
s1, starting the piezoelectric induction modules;
s2, judging whether the piezoelectric sensing module is activated or not, if so, going to step S3;
s3, judging whether the number of the activated piezoelectric induction modules in the step S2 is larger than N1, wherein N1 is larger than 5, if yes, entering the step S4, and if not, returning to the step S2;
s4, determining whether the positions of N2 piezoelectric sensing modules in the activated piezoelectric sensing modules in step S2 conform to at least one linear relationship, where N2 is greater than 5, if yes, going to step S5, otherwise, returning to step S2;
s5, grouping the piezoelectric induction modules which accord with the same linear relation in the step S4 into a group to obtain N3 groups, wherein N3 is more than or equal to 1; and
s6, setting the straight line where the piezoelectric induction modules in each group are located as a partition boundary line to obtain N3 partition boundary lines, and performing partition positioning according to the N3 partition boundary lines.
In one embodiment, N1 is greater than 5 and less than 15 and N2 is greater than 5 and less than 15.
According to the flexible display and the partition control method thereof provided by the invention, a plurality of induction points for inducing the deformation of the flexible display are skillfully arranged on the isolation column, the partition position is accurately and sensitively confirmed in a multipoint connection mode, and the control of a multi-partition, a multi-shape partition and a small-area partition can be realized.
Drawings
Fig. 1 is a schematic structural diagram of a flexible display according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a flexible display according to a second embodiment of the present invention;
fig. 3 is a flowchart of a partition positioning method of a flexible display according to a third embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below by way of embodiments with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, a flexible display 10 according to a first embodiment of the present invention includes a flexible display screen 110 and a flexible substrate 120, which are disposed opposite to each other and spaced apart from each other. The flexible display screen 110 is provided with a plurality of pixel display units (not shown) and a plurality of isolation pillars 112. The isolation pillar 112 is disposed between two adjacent pixel display units. The flexible display 10 further includes a plurality of piezoelectric sensing modules 130. Each piezoelectric sensing module 130 includes a protrusion structure 132 and a piezoelectric sensing unit 134, which are correspondingly disposed, the protrusion structure 132 is disposed at one end of the isolation pillar 112 facing the flexible substrate 120, the piezoelectric sensing unit 134 is disposed at one side of the flexible substrate 120 facing the flexible display screen 110, and when the flexible display screen 110 is bent, the protrusion structure 132 is located in the piezoelectric sensing module 130 at the bent position, and the protrusion structure 132 contacts with the piezoelectric sensing unit 134.
In the present invention, the plurality of piezoelectric sensing modules 130 are used as a plurality of sensing points for sensing the bending or folding of the flexible display 10. When the flexible display 10 is bent, in the piezoelectric sensing module 130 located in the bent position, the protrusion structure 132 and the piezoelectric sensing unit 134 contact and generate an interaction force, so as to activate the piezoelectric sensing module 130 located in the bent position. The bending or folding position of the flexible display 10 can be confirmed through the plurality of piezoelectric sensing modules 130, and then the partition of the flexible display 10 can be confirmed according to the bending or folding position, and the partition control is performed on the flexible display 10. When the partition position is judged, the invention is not limited to a symmetrical straight line, and can also be an oblique line or a plurality of lines, thereby realizing partition confirmation and control of multiple shapes and small areas, and greatly improving the partition control accuracy and sensitivity of the flexible display 10.
The flexible display screen 110 may be an OLED display screen. The isolation column 112 is used for separating the fine cathode and the fine cathode between the two adjacent pixel display units, so as to prevent a short circuit between the two adjacent pixel display units. The isolation pillar 112 may at least partially protrude from the cathode of the pixel display unit to prevent the flexible cover plate or other components from contacting the cathode and scratching the cathode. The spacers 112 may be disposed on a pixel defining layer of the OLED display screen. The isolation pillars 112 may have a trapezoidal structure, an inverted trapezoidal structure, a mushroom-shaped structure, or the like. The plurality of pixel display units and the plurality of spacers 112 may be distributed in an array.
The flexible substrate 120 is used for supporting the plurality of piezoelectric sensing units 134. The flexible substrate 120 may be a flexible transparent substrate, such as a PET substrate, a PVC substrate, and the like. The flexible display screen 110 and the flexible substrate 120 may be disposed in parallel.
The plurality of piezoelectric sensing modules 130 may be disposed on the flexible display 10 in a distributed manner. The plurality of piezoelectric sensing modules 130 may be distributed in an array. Preferably, the plurality of piezoelectric sensing modules 130 are disposed on the flexible display 10 at equal intervals. Preferably, the piezoelectric sensing module 130 is arranged every 3-10 isolation columns 112, that is, every 3-10 isolation columns 112 are provided with a group of corresponding protruding structures 132 and piezoelectric sensing units 134, which not only can prevent the partition area of the flexible display 10 from being too small, thereby causing inconvenience in use, but also can enable the flexible display 10 to perform accurate and sensitive partition control, and can also ensure the uniformity of the stress of the whole flexible display screen 120 when the flexible display 10 is bent or folded. More preferably, one piezoelectric sensing module 130 is disposed every 3-6 isolation pillars 112.
Preferably, the distance between the protruding structure 132 and the corresponding piezoelectric sensing unit 134 may be 0.1mm to 1 mm. Preferably, the height of the plurality of protruding structures 132 is 1 μm to 4 μm, which is a range that enables a large force to be applied between the protruding structures 132 and the piezoelectric sensing units 134 when the flexible display 10 is bent or folded, so as to ensure the sensitivity of the partition control, and not to make the entire flexible display 10 too thick.
The shape of the plurality of protruding structures 132 is not limited, and may be set according to actual conditions. Preferably, the plurality of protrusion structures 132 may be structures having a circular structure, an elliptical structure, a trapezoidal structure, a mountain bag structure, and the like. The protrusion 132 may be made of a material having a certain hardness. In one embodiment, the bump structure 132 is made of an organic glue material. The plurality of protrusion structures 132 may be prepared by an etching process such as dry etching or wet etching.
The plurality of piezoelectric sensing units 134 may include a plurality of piezoelectric sensing films 136 and an electrode layer 138 stacked on the plurality of piezoelectric sensing films 136. The piezoelectric sensing film 136 is used for generating a sensing signal under the action of the protruding structure 132. The electrode layer 138 is used for outputting a sensing signal generated by the piezoelectric sensing unit 124. The plurality of piezoelectric sensing films 136 may be disposed at dispersed intervals. The piezoelectric sensing films 136 may be disposed in one-to-one correspondence with the protruding structures 132 at intervals. The electrode layer 138 may be electrically connected to a processing device (not shown). The electrode layer 138 may be disposed between the piezoelectric sensing units 124 and the flexible substrate 120. The electrode layer 138 may include a plurality of row electrodes and column electrodes (not shown) distributed in an array, each of the row electrodes is stacked with all the piezoelectric sensing films 136 of the row, and each of the column electrodes is stacked with all the piezoelectric sensing films 136 of the column. It should be understood that the plurality of piezoelectric sensing units 134 may be arranged in other manners.
Further, a touch module 140 may be disposed on a side of the flexible substrate 120 opposite to the flexible display screen 10. In the present invention, the touch module 140 is used for sensing a touch position of a human hand, and the piezoelectric sensing module is used for sensing deformation changes such as bending and folding of the whole flexible display 10. In one embodiment, the touch module 140 is a capacitive touch module. It should be understood that other types of touch modules, such as an infrared touch module, may be provided according to actual conditions and requirements. Generally, the touch module based on pressure sensing is not suitable for the present invention, but in a special case, for example, when the identification of the touch point and the identification of the overall deformation of the flexible display can be realized by a control method, the touch module 140 can also realize touch based on pressure sensing.
The second embodiment of the present invention provides a flexible display 20, which includes a flexible display screen 210 and a flexible substrate 220 that are disposed opposite to each other and spaced apart from each other. The flexible display screen 210 is provided with a plurality of pixel display units (not shown), a plurality of first isolation pillars 212, and a plurality of second isolation pillars 214. The first isolation pillar 212 and the second isolation pillar 214 are respectively disposed between two adjacent pixel display units. The height of the second isolation pillar 214 is higher than the height of the first isolation pillar 212. The flexible display 20 further includes a plurality of piezoelectric sensing modules 230. Each piezoelectric sensing module 230 includes one second isolation pillar 214 and a piezoelectric sensing unit 234 corresponding to the second isolation pillar 214. The piezoelectric sensing unit 234 is disposed on a side of the flexible substrate 220 facing the flexible display screen 210, and when the flexible display 20 is bent, the second isolation column 214 is in contact with the corresponding piezoelectric sensing unit 234 in the piezoelectric sensing module 230 at the bent position.
The flexible display panel 20 according to the second embodiment of the present invention is substantially the same as the flexible display panel 10 according to the first embodiment of the present invention, except that the spacers 212 provided with the protrusion structures 132 are replaced with second spacers 214 having a relatively high height.
In the second embodiment of the present invention, the flexible display screen 210, the flexible substrate 220, the plurality of piezoelectric sensing units 234 (which may include a plurality of piezoelectric sensing films 236 and an electrode layer 238), and the touch module 240 are substantially the same as the flexible display screen 110, the flexible substrate 120, the plurality of piezoelectric sensing units 134 (which may include a plurality of piezoelectric sensing films 136 and an electrode layer 138), and the touch module 140 in the first embodiment, and therefore, no further description is provided.
The plurality of second isolation pillars 214 may be arranged dispersedly. The plurality of second isolation pillars 214 may be distributed in an array. Preferably, the plurality of second isolation pillars 214 are disposed at equal intervals. Preferably, the second isolation column 214 is arranged every 3 to 10 first isolation columns 212, which can prevent the partitioned area of the flexible display 10 from being too small, thereby causing inconvenience in use, and can also enable the flexible display 20 to perform precise and sensitive partition control. More preferably, every 3-6 first isolation columns 212 are provided with one second isolation column 214.
Preferably, the distance between the second isolation pillar 214 and the corresponding piezoelectric sensing unit 234 may be 0.5 μm to 2 μm. Preferably, the height of the second isolation pillar 214 is 0.3 μm to 2 μm higher than that of the first isolation pillar 212, which is a range that a large acting force is generated between the second isolation pillar 214 and the piezoelectric sensing unit 234 when the flexible display 10 is deformed, so as to ensure the sensitivity of the partition control, and not to make the whole flexible display 10 too thick.
The third embodiment of the present invention further provides a partitioning method for a flexible display screen of the above two embodiments, including:
s1, starting the piezoelectric induction module;
s2, judging whether the piezoelectric sensing module is activated or not, if so, going to step S3;
s3, judging whether the number of the activated piezoelectric induction modules in the step S2 is larger than N1, wherein N1 is larger than 5, if yes, entering the step S4, and if not, returning to the step S2;
s4, determining whether the positions of N2 piezoelectric sensing modules in the activated piezoelectric sensing modules in step S2 conform to at least one linear relationship, where N2 is greater than 5, if yes, going to step S5, otherwise, returning to step S2;
s5, grouping the piezoelectric induction modules which accord with the same linear relation in the step S4 into a group to obtain N3 groups, wherein N3 is more than or equal to 1; and
s6, setting the straight line where the piezoelectric induction modules in each group are located as a partition boundary line to obtain N3 partition boundary lines, and performing partition positioning according to the N3 partition boundary lines.
In this embodiment, it is determined whether the flexible display is deformed in step S2, the deformation caused by the point touch operation of the human hand on the flexible display is excluded in step S3, the deformation caused by the sliding touch operation of the human hand on the flexible display is excluded in step S4, at least one partition boundary line is obtained in step S5 and step S6, and the partition is positioned by the at least one partition boundary line.
In step S2, a preset value may be set, and when the output signal value of the piezoelectric sensing module is greater than the preset value, the piezoelectric sensing module is considered to be activated. When the preset value is set, the flexible display can be bent or folded for several times, the output signal value of the piezoelectric sensing module at the moment is detected, the preset value can be reasonably set according to the output signal value of the piezoelectric sensing module, and for example, the preset value can be set as the minimum value of the output signal value of the piezoelectric sensing module. In one embodiment, when the output voltage value of the piezoelectric sensing module is 5mv to 20mv, the piezoelectric sensing module is considered to be activated.
In steps S3 to S4, when more than 5 piezoelectric sensing modules are activated on the same straight line, the flexible display screen is considered to be bent or folded at the straight line, so that the straight line can be regarded as a partition boundary line of two partitions. Since the flexible display is deformed by the touch of the human hand on the flexible display, in order to prevent the false determination that the touch of the human hand on the flexible display is the bending or folding of the flexible display, in step S3, the number of the activated piezoelectric sensing modules is greater than 5, which is set as a determination standard, and the false determination of the point touch action on the flexible display can be eliminated; in step S4, more than 5 piezoelectric sensing modules are arranged to conform to at least one linear relationship, so that erroneous judgment of the sliding touch action of the flexible display can be eliminated. Preferably, N1 and N2 are both greater than 5 and less than 15, thereby enabling multi-zone, multi-shape, precise, sensitive zonal localization. If N is too large, the accuracy and sensitivity of the partition positioning may be degraded.
In steps S5 and S6, when the flexible display is bent or folded only once, only one partition boundary line is generated, and only one group of piezoelectric sensing films have a linear relationship; when the flexible display is bent or folded for multiple times, multiple partition boundary lines are generated, and multiple groups of piezoelectric sensing films have linear relations. By confirming the partition boundary line, the partition area of the flexible display can be positioned according to the position of the partition boundary line.
The straight line is not limited to a horizontal straight line or a vertical straight line, and may be a diagonal line. The multiple boundary lines may enable the positioning of the partitions in various shapes, such as the positioning of triangular partitions. The sensing signals of the plurality of piezoelectric sensing modules can be collected and processed by a processor connected with the electrode layers of the piezoelectric sensing units.
It should be understood that the partition control method for the flexible display according to the third embodiment of the present invention is not only applicable to the first embodiment and the second embodiment of the present invention, but also applicable to other flexible displays having a plurality of deformation sensing sites, which may be distributed and equally spaced, for example, one deformation sensing site is set at a distance of 3 to 10 pixel display units as in the first embodiment of the present invention. The deformation induction site is not limited to the piezoelectric induction module, and can also be other modules for inducing the deformation of the flexible display.
According to the flexible display and the partition control method thereof provided by the invention, a plurality of induction points for inducing the deformation of the flexible display are skillfully arranged on the isolation column, the partition position is accurately and sensitively confirmed in a multipoint connection mode, and the control of a multi-partition, a multi-shape partition and a small-area partition can be realized.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A flexible display, comprising:
the OLED flexible display screen is provided with a plurality of pixel display units and a plurality of isolation columns, and the isolation columns are arranged between two adjacent pixel display units;
the flexible substrate is opposite to the flexible display screen and arranged at intervals;
the piezoelectric sensing module comprises a plurality of piezoelectric sensing modules, each piezoelectric sensing module comprises a corresponding protruding structure and a corresponding piezoelectric sensing unit, the protruding structure is arranged at one end, facing the flexible substrate, of the isolation column, the piezoelectric sensing unit is arranged at one side, facing the flexible display screen, of the flexible substrate and is in contact with the flexible substrate, when the flexible display screen is bent, the piezoelectric sensing module is located at the bending position, and the protruding structures are in contact with the corresponding piezoelectric sensing units.
2. The flexible display of claim 1, wherein the plurality of piezoelectric sensing modules are distributed and equally spaced.
3. The flexible display of claim 2, wherein one piezoelectric sensing module is disposed every 3-10 spacers.
4. The flexible display of claim 1, wherein a distance between the piezoelectric sensing unit and the corresponding protruding structure is 0.1mm to 1 mm.
5. The flexible display of claim 1, wherein the height of the raised structures is 1 μ ι η to 4 μ ι η.
6. The flexible display of claim 1, wherein the plurality of piezoelectric sensing units comprise a plurality of piezoelectric sensing films and an electrode layer stacked on the plurality of piezoelectric sensing films, the plurality of piezoelectric sensing films are distributed and equally spaced, the electrode layer comprises a plurality of row electrodes and column electrodes distributed in an array, each row electrode is stacked on all piezoelectric sensing films in the row, and each column electrode is stacked on all piezoelectric sensing films in the column.
7. The flexible display of claim 1, wherein a touch module is disposed on a side of the flexible substrate facing away from the flexible display layer.
8. A flexible display, comprising:
the OLED flexible display screen is provided with a plurality of pixel display units, a plurality of first isolation columns and a plurality of second isolation columns, the first isolation columns and the second isolation columns are respectively arranged between two adjacent pixel display units, and the heights of the second isolation columns are higher than those of the first isolation columns;
the flexible substrate is opposite to the flexible display screen and arranged at intervals;
each piezoelectric induction module comprises a second isolation column and a piezoelectric induction unit which is arranged corresponding to the second isolation column, the piezoelectric induction unit is arranged on one side, facing the flexible display screen, of the flexible substrate and is in contact with the flexible substrate, and when the flexible display is bent, the piezoelectric induction module which is located at the bending position is in contact with the second isolation column and the piezoelectric induction unit which corresponds to the second isolation column.
9. A partition positioning method of a flexible display according to any one of claims 1 to 8, comprising:
s1, starting the piezoelectric induction modules;
s2, judging whether the piezoelectric sensing module is activated or not, if so, going to step S3;
s3, judging whether the number of the activated piezoelectric induction modules in the step S2 is larger than N1, wherein N1 is larger than 5, if yes, entering the step S4, and if not, returning to the step S2;
s4, determining whether the positions of N2 piezoelectric sensing modules in the activated piezoelectric sensing modules in step S2 conform to at least one linear relationship, where N2 is greater than 5, if yes, going to step S5, otherwise, returning to step S2;
s5, grouping the piezoelectric induction modules which accord with the same linear relation in the step S4 into a group to obtain N3 groups, wherein N3 is more than or equal to 1; and
s6, setting the straight line where the piezoelectric induction modules in each group are located as a partition boundary line to obtain N3 partition boundary lines, and performing partition positioning according to the N3 partition boundary lines.
10. The method for partitioning a flexible display as claimed in claim 9, wherein N1 is greater than 5 and less than 15 and N2 is greater than 5 and less than 15.
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