TWI598860B - Method and apparatus for detecting bending deformation of flexible device - Google Patents

Description

Flexible electronic device and bending detection method used in flexible electronic device

The present invention relates to a flexible electronic device and a bending detection method, and more particularly to a flexible electronic device and a bending detection method used in the flexible electronic device.

Nowadays, various mobile devices such as smart phones and other electronic devices have become highly popular. For the purpose of improving portability, the design of mobile devices tends to be light, thin, short, and small, but in order to facilitate operation and easy viewing of images, it is often desirable to have The larger screen, under the contradiction of these two requirements, the technology of the flexible display screen, the use of flexible display screen electronic device, allowing the mobile device to achieve the convenience of carrying and large screen display at the same time .

Once the display screen of the electronic device has flexible characteristics, this feature will enable the electronic device to operate in a manner that surpasses the development potential of conventional electronic devices. Traditional intelligent electronic devices rely mainly on the touch panel for input and control, and achieve control operations such as panning, selecting, enlarging, reducing, rotating, etc. If the bending display screen is added as a control operation, it will make The operation of the electronic device is more intuitive and convenient.

The novel flexible display screen relies on a variety of gesture patterns to generate corresponding and unique display commands. To achieve this effect and purpose, a better judgment mode is needed to assist the completion. Therefore, the main purpose of the present invention is The invention provides a flexible electronic device and a bending detection method used in the flexible electronic device to achieve the above object.

The object of the present invention is to provide a flexible electronic device and a bending detection method for use in a flexible electronic device, which can have a good judgment mode to determine various gesture patterns of the flexible display screen, thereby becoming clear The display command allows the user to manipulate the flexible electronic device in the most intuitive manner.

The present invention relates to a flexible electronic device and a bending detection method for use in a flexible electronic device. The flexible electronic device receives a plurality of gesture patterns to respectively generate corresponding display commands, and is flexible. The electronic device includes a flexible display screen, a plurality of sensors, a bending information analysis module, and a gesture corresponding module.

A plurality of sensors are distributed on the flexible display screen, and each of the inductors is used to sense the bending of the flexible display screen to generate bending strength and bending the axial direction. The bending information analysis module system combines the bending strengths of the sensors and integrates the bending axes of the sensors to become bending information. The gesture corresponding module compares the thresholds corresponding to the information in the bending information to determine one of a plurality of preset gesture patterns.

Further, as described above, the flexible electronic device further includes a bending data conversion module, and each of the sensors detects bending information of the position of the flexible display screen, and bending the data. The conversion module converts the bending data corresponding to each sensor into a bending strength and a bending axis.

The sensor can adopt a three-axis strain gauge, and the three-axis strain gauge includes a first strain gauge, a second strain gauge, and a third strain gauge that are coplanar and unfolded at an angle of 45 degrees, respectively measuring the first axis strain, the first The two-axis dependent variable, and the third-axis dependent variable, the bending data includes the first-axis dependent variable, the second-axis dependent variable, and the third-axis dependent variable. The bending data conversion module converts the first axis strain, the second axis strain, and the third axis strain into a first main strain value, a second main strain value, according to a Mohr's circle theory. And a principal strain direction, wherein the first main strain value is orthogonal to the second main strain value.

The bending data conversion module converts the first main strain value and the second main strain value into a bending strength, and converts the main strain direction into a bending axial direction. Further, the bending data conversion module virtualizes the first main strain value and the second main strain value into a bending strength, and virtualizes the main strain direction into a bending axial direction, wherein the bending strength and the bending strength The first main strain value and the second main strain value are positively correlated, and the bending axial direction is orthogonal to the main strain direction.

In one embodiment, according to the flexural display degree of the flexible display screen, at least one node can be distributed, and the bending information analysis module bends each sensor covered by the area where the pseudo node is located. The folding strength is integrated into the pseudo-node bending amount by weighted averaging. The bending information analysis module integrates the bending axes of each sensor covered by the region where the quasi-node is located into a bending axial angle by weighted averaging. Wherein, the weighted weight is positively correlated with the distance between the pseudonode and the inductor, and the pseudonode bending amount and the bending axial angle are the bending information. The gesture corresponding module compares the pseudo-node bending amount and the bending axial angle respectively to the threshold corresponding to the pair to generate a clear gesture state.

In still another embodiment, the bending information analysis module integrates the bending strength of each sensor into a unified bending amount, and the bending information analysis module bends the bending axis of each sensor. The bending strength of the sensor is weighted and averaged to be integrated into the bending axial angle. The information analysis module is bent and the plane coordinate position of each sensor is weighted and averaged according to the bending strength of the inductor to be integrated. For the offset, the integrated bending amount, the bending axial angle, and the integrated offset are the bending information. The gesture corresponding module compares the threshold of the integrated bending amount, the bending axial angle, and the integrated offset to respectively generate a clear gesture state.

The invention also relates to a bending detection method for use in a flexible electronic device. The flexible electronic device accepts a plurality of gesture patterns to respectively generate corresponding display instructions. The flexible electronic device comprises a flexible display screen and a plurality of sensors distributed on the flexible display screen. The bending detection method comprises the following steps:

Step 1: Inductive bending of the flexible display screen by each sensor to generate bending strength and bending axial direction;

Step 2: integrate the bending strength of the inductors and integrate the bending axes of the inductors to become bending information;

Step 3: Align the information in the bending information with the corresponding threshold to determine one of a plurality of preset gesture patterns.

Step 1 further includes the following steps: Step 1 of 1: detecting, by each sensor, the bending data of the position of the flexible display screen; and Step 2: bending the corresponding one of the sensors The data is converted into bending strength and bending axial direction.

Further, the inductor may adopt a three-axis strain gauge, and the bending data includes a first axis strain, a second axis strain, and a third axis strain, and step one of the second step further includes the following steps: The first axis strain, the second axis strain, and the third axis strain are converted into a first main strain value, a second main strain value, and a main strain direction, wherein the first main strain value and the second main strain value Orthogonal; connecting, converting the first principal strain value and the second principal strain value into bending strength, and converting the main strain direction into the bending axial direction.

In conjunction with the foregoing first embodiment, the second step further comprises the steps of: distributing at least one quasi-node according to the flexural degree distribution of the flexible display screen; weighting the bending strength of each of the inductors covered by the region of the quasi-node The average integration is the pseudo-node bending amount, and the bending axial direction of each inductor covered by the region where the quasi-node is located is integrated into a bending axial angle by weighted averaging, wherein the weighted weight system and the pseudo-node and the induction The distance between the devices is positively correlated, and the amount of bending of the pseudonodes and the axial angle of the bending are the bending information. The subsequent system compares the pseudo-node bending amount and the bending axial angle to the corresponding threshold values to generate a clear gesture state.

In conjunction with the foregoing second embodiment, the second step further comprises the steps of: integrating the bending strength of each sensor into a unified bending amount, and also bending the bending axis of each sensor according to the bending strength of the inductor. The weighted re-averaging is integrated into the bending axial angle, and the plane coordinate position of each sensor is weighted and averaged according to the bending strength of the inductor to be integrated into the overall offset, and the bending amount and the bending axis are integrated. The angle of the angle and the offset are the bend information. The subsequent system will combine the bending amount, the bending axial angle, and the overall offset to respectively correspond to the threshold value to generate a clear gesture state.

Therefore, by using the flexible electronic device and the bending detection method in the flexible electronic device, the bending information is used to determine the plurality of sensors, and the gesture is correspondingly used. The module compares the thresholds to determine one of a plurality of preset gesture patterns, thereby having a good judgment mode to determine various gesture patterns of the flexible display screen to become clear The display command allows the user to manipulate the flexible electronic device in the most intuitive manner.

The advantages and spirit of the present invention will be further understood from the following detailed description of the invention.

Please refer to FIG. 1A and FIG. 1B , both of which are schematic diagrams of the gesture of the flexible electronic device 10 of the present invention. The present invention relates to a flexible electronic device 10 and a bending detection method. The flexible electronic device 10 has a flexible display screen 30 capable of accepting a plurality of gesture patterns to respectively generate corresponding display commands. As shown in FIG. 1A, the gesture state of the concave portion 10a can be seen, and the gesture state of the outer pull 10b can be seen from the example of FIG. 1B, and the gesture state of the concave portion 10a generates a display instruction for enlarging the screen content, and the outer panel is pulled. The gesture pattern of 10b produces a display instruction for reducing the content of the screen. This embodiment is only an example of two gestures for the sake of brevity. In practice, more gestures can be utilized to generate more display instructions.

Referring to FIG. 2, FIG. 2 is a schematic diagram of the configuration of the inductor 32 in the flexible electronic device 10 of the present invention. In addition to the flexible display screen 30 described above, the flexible electronic device 10 further includes a plurality of sensors 32 disposed on the flexible display screen 30, and each of the sensors 32 is configured to sense a flexible display screen. The bending of 30 is performed to generate bending data, and the bending strength and the bending axial direction are generated by bending the data.

Referring to FIG. 3, FIG. 3 is a functional block diagram of the flexible electronic device 10 of the present invention. The flexible electronic device 10 further includes a flexible display screen 30 as shown in FIG. 1 and a sensor 32 as shown in FIG. 2, and further includes a bending data conversion module 34 and a bending information analysis module 35. The gesture corresponding module 36 and the storage device 38.

Each of the foregoing sensors 32 detects the bending data of the position of the flexible display screen 30, and the bending data conversion module 34 converts the bending data corresponding to each of the sensors 32 into a bending strength, and Bend the axial direction. The bending information analysis module 35 system combines the bending strengths of the sensors 32 and integrates the bending axes of the sensors 32 to become bending information.

A plurality of thresholds are pre-stored in the storage device 38, and the plurality of ranges defined by the thresholds correspond to a plurality of gesture patterns. The gesture corresponding module 36 compares the information in the bending information, such as the bending strength and the value of the bending axis, respectively, to the threshold corresponding to the pre-stored in the storage device 38, to determine a plurality of preset gesture states. In one of the gestures, the flexible electronic device 10 generates a display command according to the determined gesture pattern, as exemplified in FIGS. 1A and 1B.

3 is an overview of the operation of the flexible electronic device 10 of the present invention. The following is a clear description of the detailed operation. Please refer to FIG. 4, which is an explanatory diagram of the inductor 32 of the present invention. The flexible electronic device 10 as described above, wherein the inductor 32 can employ a three-axis strain gauge 40 that includes a first strain gauge 42 that is coplanar and spread at an angle of 45 degrees, a second strain gauge 44, and The third strain gauge 46, when bent, actually has a maximum bending amount ε _max and a minimum bending amount ε _min perpendicular to the maximum bending amount ε _max , the first strain gauge 42 and the maximum bending amount The angle between ε _max or the minimum bending amount ε _{min is} the main strain direction θ. The bending data includes a first axis strain ε _a , a second axis strain ε _b , and a third axis strain ε _c , and the first strain gauge 42 , the second strain gauge 44 , and the third strain The gauge 46 can measure the first axis strain ε _a , the second axis strain ε _b , and the third axis strain ε _{c , respectively} .

The bending data conversion module 34 converts the first axis strain ε _a , the second axis strain ε _b , and the third axis strain ε _c into the first principal strain value according to the Mohr's circle theory. ε ₁ , the second principal strain value ε ₂ , and the main strain direction θ , the first principal strain value ε ₁ is orthogonal to the second principal strain value ε ₂ .

According to the Moore circle theory, the calculation formula is as follows, and the first principal strain value ε ₁ = (ε _a + ε _c ) / 2+ can be obtained. / ; also has the second principal strain value ε ₂ = (ε _a + ε _c )/2- / ; then get the main strain direction θ = . Thus, the bending data conversion module 34 can obtain the first main strain value ε ₁ and the second main strain value ε from the first axis strain ε _a , the second axis strain ε _b , and the third axis strain ε _{c . 2} , and the main strain direction θ.

Next, the bending data conversion module 34 converts the first principal strain value ε ₁ and the second principal strain value ε ₂ into a bending strength C , and converts the main strain direction θ into a bending. Axial α. The bending strength C is positively correlated with the first main strain value ε ₁ and the second main strain value ε ₂ , and the bending axial direction α is orthogonal to the main strain direction θ. The calculation formula of the bending strength C and the bending axial α can be as follows, the bending strength C = F (ε ₁ , ε ₂ ); the bending axial direction α = θ + .

The following embodiments of the bending information analysis module 35 can be implemented in two embodiments. Please refer to FIG. 5. FIG. 5 is a schematic explanatory diagram of the first embodiment of the bending information analysis module 35 of the present invention. According to the flexural accumulation degree of the flexible display screen 30, at least one quasi-node 50 may be virtually distributed on the flexible display screen 30. In the illustrated example, the flexible display screen 30 has three quasi-nodes 50.

We take the example of the quasi-node 50 on the right in the upper right block. There are six inductors 32 in this area 5002. The bending strengths of the six inductors 32 are C ₁ , C ₂ , C ₃ , C _{4 , respectively.} , C ₅ , C ₆ , the bending axes α of the six inductors 32 are α ₁ , α ₂ , α ₃ , α ₄ , α ₅ , α ₆ , respectively, and the distances from the analog nodes 50 are d ₁ , d , respectively . ₂ , d ₃ , d ₄ , d ₅ , d ₆ .

The bending information analysis module 35 integrates the bending strength and the bending axis of each of the inductors 32 covered by the region of the quasi-node 50 into at least one eigenvalue by weighted averaging, and the eigenvalue includes the quasi-node bending amount C. _m and the bending axial angle α _m . Further, the bending information analysis module 35 integrates the bending strength C of each of the inductors 32 covered by the region 502 of the quasi-node 50 into a quasi-node bending amount C _m and bends the information analysis model. Group 35 combines the bending axes a of each of the inductors 32 covered by the region 502 of the pseudonodes 50 into a weighted average angle α _m . Wherein the weighted weight W is positively correlated with the distance d between the quasi-node 50 and the inductor 32, and the pseudo-node bending amount C _m and the bending axial angle α _m are the bending information.

The calculation formula is described with the legend, six weights W _n =exp^(d _n ² /2), n=1~6. Therefore, the pseudonode bending amount C _{m =} ( W ₁ C ₁ + W ₂ C ₂ + W ₃ C ₃ + W ₄ C ₄ + W ₅ C ₅ + W ₆ C ₆ ) / ( W ₁ + W ₂ + W ₃ + W ₄ + W ₅ + W ₆ ); bending axial angle α _{m =} ( W ₁ α ₁ + W ₂ α ₂ + W ₃ α ₃ + W ₄ α ₄ + W ₅ α ₅ + W ₆ α ₆ ) / ( W ₁ + W ₂ + W ₃ + W ₄ + W ₅ + W ₆ ). The pseudo-node bending amount C _m and the bending axial angle α _m are the bending information, and subsequently, the gesture corresponding module 36 compares the pseudo-node bending amount C _m and the bending axial angle α _m respectively. The resulting state of each of the quasi-nodes 50 can be obtained from the corresponding threshold.

The result state of the quasi-node 50 can be illustrated by FIG. 6. The gesture state can be illustrated by FIG. 7. Please refer to FIG. 6 and FIG. 7 at the same time. FIG. 6 is a schematic diagram of the state of the corresponding result of the quasi-node 50 of the present invention. 6 is a schematic diagram of a gesture state corresponding to a gesture state of the present invention. The threshold value of the pseudonode bending amount C _m and the bending axial angle α _m is stored in the storage device 38 as before, and the result state 0: except the result state of the result states 1 to 6, the result state 1: 5> C _m >0 , Result State 2: C _m ≧10; α _m >10, result state 3:0> C _m >-5, result state 4: -5> C _m >-10;10>α _m >-10, result state 5: -5> C _m >-10;30>α _m >10, result state 6: -5> C _m >-10;-10>α _m >-30.

In Fig. 6, the quasi-node bending amount C _m of the quasi-node 0 is 10, and the bending axial angle α _m is 14, and after comparing the above threshold values, the corresponding result state is the result state 2. In Fig. 6, the pseudo-node bending amount C _m of the pseudo-node 1 is 20, and the bending axial angle α _m is 30. After comparing the above threshold values, the corresponding result state is also the result state 2. In Fig. 6, the quasi-node bending amount C _m of the quasi-node 2 is 4, and the bending axial angle α _m is 60. After comparing the above threshold values, the corresponding result state is the result state 1.

Next, FIG. 7 illustrates that the result state of the gesture state 0, 1~6 pre-stored corresponding to the pseudo-node is as shown in the table, for example, the gesture state 0 corresponds to the result state of the quasi-node 0, the quasi-node 1, and the quasi-node 2 respectively. 2, 1, 1, gesture state 1 corresponds to the quasi-node 0, quasi-node 1, quasi-node 2, the result states are 2, 2, 1, respectively, then the pseudo-node bending amount C _m and bending axial direction of Figure 6 The result state corresponding to the angle α _m is 2, 2, 1, and corresponds to Figure 7 as the gesture state 1 . Each gesture mode has an original corresponding display instruction. If the gesture aspect 1 is the gesture of the concave 10a as shown in FIG. 1, then a display instruction for enlarging the screen content is generated.

Referring to FIG. 8A, FIG. 8B, and FIG. 8C, the second embodiment of the bending information analysis module 35 of the present invention is implemented. FIG. 8A is a schematic diagram of the configuration of the sensor 32, and FIG. 8B is a sensor 32 after bending. A schematic diagram of the bending strength and the bending axial direction, and the schematic diagram of the bending strength and the bending axial direction of the system of Fig. 8C. The flexible electronic device 10 of the foregoing, four sensors 32 of the bending strength are _{C 11, C 12, C 21} , C 22, bending information is calculated based system analysis module 35 four bending strength C ₁₁ , C _12, C _21, C ₂₂ of the arithmetic mean, can be folded integration integration of the amount of C, equation may be _{(C 11 + C 12 + C} 21 + C 22) / 4 as follows C =.

The bending axes of the four inductors 32 are α ₁₁ , α ₁₂ , α ₂₁ , α ₂₂ , respectively, and the bending information analysis module 35 bends the axial direction of each of the inductors 32 according to the inductor 32 respectively. After the bending strength C is weighted, the average is taken as the bending axial angle α , and the mathematical expression can be as follows: α = ( C ₁₁ *α ₁₁ + C ₁₂ *α ₁₂ + C ₂₁ *α ₂₁ + C ₂₂ *α ₂₂ ) / ( C ₁₁ + C ₁₂ + C ₂₁ + C ₂₂ ) / 4.

The plane coordinates of the four sensors 32 are ( X ₁₁ , Y ₁₁ ), ( X ₁₂ , Y ₁₂ ), ( X ₂₁ , Y ₂₁ ), ( X ₂₂ , Y ₂₂ ), and the bending information analysis module 35 lines each of the coordinate position sensor plane 32, the bending strength weighted by the C of the sensor 32, then averaged to integration of the entire system shift amount S, the following equation may be S = Sx = ( C ₁₁ * X ₁₁ + C ₁₂ * X ₁₂ + C ₂₁ * X ₂₁ + C ₂₂ * X ₂₂ ) / ( C ₁₁ + C ₁₂ + C ₂₁ + C ₂₂ ) / 4; Sy = ( C ₁₁ *Y ₁₁ + C ₁₂ *Y ₁₂ + C ₂₁ *Y ₂₁ + C ₂₂ *Y ₂₂ )/( C ₁₁ + C ₁₂ + C ₂₁ + C ₂₂ )/4.

Finally, the integrated bending amount C , the bending axial angle α , and the integrated offset S are the bending information, which means that each sensor 32 can be represented by a unified value. The overall result of the integration.

Subsequently, the gesture corresponding module 36 compares the integrated bending amount C , the bending axial angle α , and the integrated offset S by respective threshold values. Please refer to FIG. 9. FIG. 9 is a schematic diagram of the plurality of gesture patterns in the embodiment of FIG. 8 according to the threshold value. Suppose there are three gestures: gesture state 1, gesture pattern 2, gesture pattern 3, and the threshold values are as shown in Fig. 9: gesture state 1: 5< C <8;12<α<17;3< S <6. Gesture 2: 10< C <15;5<α<10;0< S <6. Gesture pattern 3: 5< C <10;5<α<10;10< S <15. Therefore, as shown in FIG. 8 , the bending information such as the integrated bending amount C , the bending axial angle α , and the integrated offset S, and the comparison of the threshold values can be integrated to find the gesture state falling within the range. In this case, the gesture can be used to generate display instructions.

Please refer to FIG. 10. FIG. 10 is a flow chart of the bending detection method of the present invention. The present invention is also a bending detection method for use in the flexible electronic device 10. The flexible electronic device 10 receives a plurality of gesture patterns to respectively generate corresponding display commands, and the flexible electronic device 10 includes The flexible display screen 30 and the plurality of sensors 32 disposed on the flexible display screen 30, the bending detection method comprises the following steps:

Step 1: Inductive bending of the flexible display screen 30 by each of the inductors 32 to generate a bending strength C and a bending axis α; further, the step is subdivided to include the following steps:

Step 1 of 1 (S01): detecting, by each of the sensors 32, the bending data of the position of the flexible display screen 30;

Step 1 of 2 (S02): Convert the bending data corresponding to each of the inductors 32 into a bending strength C and a bending axis α.

Step 1 is followed by step 2: integrating the bending strength C (S03) of the inductors 32, and integrating the bending axis α (S04) of the inductors 32 to become bending information;

Step 3 (S05): Align the information in the bending information with the corresponding threshold to determine one of a plurality of preset gesture patterns.

The bending detection method as described above, wherein the inductor 32 is a three-axis strain gauge 40, and the triaxial strain gauge 40 includes a first strain gauge 42, a second strain gauge 44, and a first surface that are coplanar and spread at an angle of 45 degrees. The three strain gauges 46 respectively measure the first axis strain ε _a , the second axis strain ε _b , and the third axis strain ε _c , wherein the bending data includes the first axis strain ε _a , The two-axis strain ε _b and the third axis strain ε _c .

Therefore, step one of 2 further includes the steps of: converting the first axis dependent variable ε _a , the second axis dependent variable ε _b , and the third axis dependent variable ε _c according to the Mohr's circle to a first principal strain value ε ₁ , a second principal strain value ε ₂ , and a principal strain direction θ, wherein the first principal strain value ε ₁ is orthogonal to the second principal strain value ε ₂ ; and then the first principal strain is further The value ε ₁ and the second principal strain value ε _{2 are} converted into the bending strength C , and the main strain direction θ is converted into the bending axial direction α.

Further, the first principal strain value ε ₁ and the second principal strain value ε _{2 are} virtualized as the bending strength C , and the main strain direction θ is virtualized into the bending axial direction α, wherein the bending strength C and The first principal strain value ε ₁ and the second principal strain value ε ₂ are positively correlated, and the bending axial direction α is orthogonal to the main strain direction θ.

Please refer to FIG. 11. FIG. 11 is a flowchart of a method for detecting a bending detection method according to the present invention. Step 2 is further detailed to include the following steps: (S10) distributing at least one quasi-node 50 according to the flexural degree of the flexible display screen 30; (S11) sensing each of the areas covered by the region 502 of the quasi-node 50 The bending strength C of the device 32 is integrated into a pseudo-node bending amount C _m by weighted averaging; (S12) and the bending axial direction α of each of the inductors 32 covered by the region 502 of the pseudo-node 50 is integrated into a weighted average. Fold the axial angle α _m . Wherein the weighted weight W is positively related to the distance d between the quasi-node 50 and the inductor 32, and the quasi-node bending amount C _m and the bending axial angle α _m are the bending information, and then For example, in step 3 (S05), the pseudo-node bending amount C _m and the bending axial angle α _m are respectively compared with the corresponding thresholds to determine one of a plurality of preset gesture patterns.

Referring to FIG. 12, FIG. 12 is a flowchart of a method for another embodiment of the bending detection method of the present invention. As described in the above-mentioned bending detection method, the second step can be further described as including the following steps: (S21) integrating the bending strength C of each of the inductors 32 into a unified bending amount C , and (S22) will also be The bending axis α of one of the inductors 32 is weighted and averaged by the bending strength C of the inductor 32 to be integrated into the bending axial angle α , (S23) and the plane coordinate position of each of the inductors 32 is determined by the sensor 32. The bending strength C- weighted re-average is integrated into the overall offset S , the integrated bending amount C , the bending axial angle α , and the unified offset S are the bending information, and then The threshold value corresponding to the comparison of the bending amount C , the bending axial angle α , and the unified offset S is respectively determined to determine one of a plurality of preset gesture patterns.

Therefore, by using the flexible electronic device 10 and the bending detection method in the flexible electronic device 10, the determination of the plurality of sensors 32 by the bending information analysis module 35 is Reusing the gesture corresponding module 36 to compare the corresponding thresholds to determine one of a plurality of preset gesture patterns, thereby having a good judgment mode to determine various hands of the flexible display screen 30 The situation is to become a clear display instruction.

The features and spirit of the present invention will be more apparent from the detailed description of the preferred embodiments. On the contrary, the intention is to cover various modifications and equivalents within the scope of the invention as claimed.

10a‧‧‧ concave
10b‧‧‧Outside
10‧‧‧Flexible electronic devices
30‧‧‧Flexible display
32‧‧‧ sensor
34‧‧‧Bending data conversion module
35‧‧‧Bending information analysis module
36‧‧‧ gesture corresponding module
38‧‧‧Storage device
40‧‧‧Three-axis strain gauge
42‧‧‧First strain gauge
44‧‧‧Second strain gauge
46‧‧‧ Third strain gauge ε _max ‧‧‧Maximum bending amount ε _min ‧‧‧Minimum bending amount ε _a ‧‧‧First axis strain ε _b ‧‧‧Second axis strain ε _c ‧ ‧ Third axis strain θ‧‧‧ main strain direction
50‧‧‧ Quasi-node
5002‧‧‧Area
C ₁₁ , C ₁₂ , C ₂₁ , C ₂₂ ‧ ‧ four bends of the inductors α ₁₁ , α ₁₂ , α ₂₁ , α ₂₂ ‧ ‧ four bending axes of the inductor
C ‧‧‧Complete bending
α ‧‧‧ bending axial angle
S ‧‧‧ overall offset

1A is a schematic view showing a flexible gesture of a flexible electronic device according to the present invention; FIG. 1B is a schematic view showing a state in which a flexible electronic device of the present invention receives an external wrench; FIG. 2 is a configuration of a flexible electronic device according to the present invention; Figure 3 is a functional block diagram of the flexible electronic device of the present invention; Figure 4 is an explanatory view of the inductor of the present invention; Figure 5 is a schematic view of the first embodiment of the bending information analysis module of the present invention Figure 6 is a schematic diagram showing the state of the corresponding result of the pseudo-node of the present invention; Figure 7 is a schematic diagram of the gesture state corresponding to the result state of the present invention; Figure 8A is a schematic diagram of the sensor configuration; Figure 8B is a sensor-induced bending after bending FIG. 8 is a schematic view showing the bending strength and the bending axial direction of the system; FIG. 9 is a schematic diagram showing the plurality of gesture patterns in the embodiment of FIG. 8 according to the threshold value; FIG. 10 is a schematic diagram of the present invention. FIG. 11 is a flowchart of a method for detecting a bend detection method according to the present invention; and FIG. 12 is a flowchart of a method for another embodiment of the bend detection method of the present invention.

10‧‧‧Flexible electronic devices

30‧‧‧Flexible display

32‧‧‧ sensor

34‧‧‧Bending data conversion module

35‧‧‧Bending information analysis module

36‧‧‧ gesture corresponding module

38‧‧‧Storage device

Claims (13)

A flexible electronic device that accepts a plurality of gesture patterns to respectively generate corresponding display instructions, the flexible electronic device comprising: a flexible display screen; at least one pseudo-node distributed in the flexible a display screen; a plurality of sensors are disposed on the flexible display screen, each sensor is configured to sense the bending of the flexible display screen to generate a bending strength and a bending axial direction; The bending information analysis module, the system combines the bending strength of the sensors, and integrates the bending axes of the sensors to become a bending information; and a gesture corresponding module, the bending information The information is compared with a corresponding threshold to determine one of a plurality of preset gesture patterns; wherein the bending information analysis module is for each sensor covered by the region where the pseudo node is located The bending strength is integrated into a quasi-node bending amount by weighted averaging, and the bending information analysis module integrates the bending axes of each of the inductors covered by the region of the quasi-node into a bending axis by weighted averaging Angle, where the plus The average weight value is positively correlated with the distance between the pseudo node and the sensor, and the bending amount of the quasi-node and the bending axial angle are the bending information, and the gesture corresponding module is to The node bending amount and the bending axial angle respectively correspond to the threshold values. The flexible electronic device of claim 1, wherein the flexible electronic device further comprises a bending data conversion module, wherein each sensor detects a bend of the flexible display position. The folding data conversion module converts the bending data corresponding to each sensor into the bending strength and the bending axial direction. The flexible electronic device of claim 2, wherein the inductor is a three-axis strain gauge, and the bending data includes a first axis strain amount, a second axis strain amount, and a First The triaxial strain variable, the bending data conversion module converts the first axis strain, the second axis strain, and the third axis strain into a first main strain value and a second main strain value And a main strain direction, the first main strain value is orthogonal to the second main strain value, and the bending data conversion module converts the first main strain value and the second main strain value into the bend The bending strength and the transformation of the main strain direction into the bending axis. The flexible electronic device of claim 3, wherein the triaxial strain gauge comprises coplanar and unfolds one of the first strain gauge, the second strain gauge, and the third strain gauge at an angle of 45 degrees. Measure the first axis strain, the second axis strain, and the third axis strain, respectively, wherein the bending data conversion module is based on the Mohr's circle, and the first axis strain is The quantity, the second axis dependent variable, and the third axis dependent variable are used to determine the first primary strain value, the second primary strain value, and the primary strain direction. The flexible electronic device of claim 4, wherein the bending data conversion module virtualizes the first principal strain value and the second principal strain value to the bending strength, And virtualizing the main strain direction into the bending axial direction, wherein the bending strength is positively correlated with the first main strain value and the second main strain value, and the bending axial direction is orthogonal to the main strain direction. The flexible electronic device of claim 1, wherein the bending information analysis module is a weighted average of a bending strength and a bending axis of each of the inductors included in the region where the pseudonode is located. The integration is at least one feature value, and the feature value includes the pseudonode bending amount and the bending axial angle. A flexible electronic device that accepts a plurality of gesture patterns to respectively generate corresponding display commands, the flexible electronic device includes: a flexible display screen; and a plurality of sensors distributed in the a flexible display screen, each sensor is used to sense the bending of the flexible display screen to generate a bending strength and a bending axial direction; a bending information analysis module, the system is combined with the sensors Bending the strength and integrating the senses The bending axis of the device is to become a bending information; and a gesture corresponding module compares the threshold corresponding to the information in the bending information to determine one of a plurality of preset gesture patterns a gesture state; wherein the bending information analysis module integrates the bending strength of each sensor into a unified bending amount, and the bending information analysis module bends the bending axis of each sensor Weighted and averaged according to the bending strength of the inductor to be integrated into a bending axial angle. The bending information analysis module weights the plane coordinate position of each sensor according to the bending strength of the sensor. Taking the integration as a unified offset, the unified bending amount, the bending axial angle, and the unified offset are the bending information, and the gesture corresponding module is integrated. The bending amount, the bending axial angle, and the adjustment offset respectively correspond to threshold values. A bending detection method for use in a flexible electronic device, the flexible electronic device accepting a plurality of gesture patterns to respectively generate corresponding display instructions, and the flexible electronic device includes a flexible display And a plurality of sensors disposed on the flexible display screen, wherein the flexible display screen is distributed with at least one quasi-node, and the bending detection method comprises the following steps: Step 1: using each sensing The bending of the flexible display screen is induced to generate a bending strength and a bending axial direction; Step 2: integrating the bending strength of the inductors and integrating the bending axes of the inductors, In order to become a bending information, the bending strength of each sensor covered by the region of the pseudo-node is integrated into a quasi-node bending amount by weighted averaging, and the bending of each sensor covered by the region where the quasi-node is located The folding axial direction is integrated into a bending axial angle by weighted averaging, wherein one weight of the weighted average is positively correlated with the distance between the pseudonode and the inductor, and the bending amount of the pseudonode and the bending axis Angle of view For bending information, then the subsequent quasi-based nodes, and bending the bending angle of each axial alignment of the corresponding threshold; Step 3: Compare the information in the bending information with the corresponding threshold to determine one of a plurality of preset gesture patterns. The bending detection method of claim 8, wherein the step 1 further comprises the following steps: Step 1: 1: detecting, by each sensor, the bending data of the flexible display position And step 2 of 2: converting the bending data corresponding to each sensor into the bending strength and the bending axis. The bending detection method of claim 9, wherein the inductor is a three-axis strain gauge, and the bending data comprises a first axis strain variable, a second axis strain amount, And a third axis dependent variable, wherein the step one of the second step further comprises the steps of: converting the first axis dependent variable, the second axis dependent variable, and the third axis dependent variable into a first principal strain value, a second main strain value, and a main strain direction, the first main strain value is orthogonal to the second main strain value; and converting the first main strain value and the second main strain value into the bending strength And converting the main strain direction into the bending axis. The bending detection method of claim 10, wherein the triaxial strain gauge comprises coplanar and unfolds one of the first strain gauge, the second strain gauge, and the third strain gauge at an angle of 45 degrees. Measuring the first axis dependent variable, the second axis dependent variable, and the third axis dependent variable, wherein the first axis dependent variable, the second axis dependent variable, and the third axis dependent variable are respectively According to the Mohr's circle, the first main strain value, the second main strain value, and the main strain direction are obtained. The bending detection method according to claim 11, wherein the first main strain value and the second main strain value are virtualized to the bending strength, and the main strain direction is virtualized. In the bending axial direction, the bending strength is positively correlated with the first main strain value and the second main strain value, and the bending axial direction is orthogonal to the main strain direction. A bending detection method for use in a flexible electronic device, the flexible electronic device accepting a plurality of gesture patterns to respectively generate corresponding display instructions, and the flexible electronic device includes a flexible display The screen and the plurality of sensors disposed on the flexible display screen, the bending detection method comprises the following steps: Step 1: sensing the bending of the flexible display screen by each sensor to generate a Bending strength and a bending axis; Step 2: Integrating the bending strength of the inductors and integrating the bending axes of the inductors to become a bending information, bending each of the inductors The folding strength is integrated into a unified bending amount, and the bending axial direction of each sensor is weighted and averaged according to the bending strength of the inductor to be integrated into a bending axial angle, and the plane of each inductor is integrated. The coordinate position is weighted and averaged according to the bending strength of the inductor to be integrated into a unified offset, and the unified bending amount, the bending axial angle, and the unified offset are the bending information. Then the subsequent system will adjust the amount of bending The bending axial angle and the adjustment offset respectively correspond to the threshold; and the third step: comparing the information in the bending information with the corresponding threshold to determine a plurality of preset gesture states One of the gestures in the sample.