WO2018218549A1 - 柔性屏及其弯曲状态检测方法和电容补偿方法 - Google Patents

柔性屏及其弯曲状态检测方法和电容补偿方法 Download PDF

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Publication number
WO2018218549A1
WO2018218549A1 PCT/CN2017/086726 CN2017086726W WO2018218549A1 WO 2018218549 A1 WO2018218549 A1 WO 2018218549A1 CN 2017086726 W CN2017086726 W CN 2017086726W WO 2018218549 A1 WO2018218549 A1 WO 2018218549A1
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Prior art keywords
detection signal
layer
flexible screen
bending
detecting
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PCT/CN2017/086726
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English (en)
French (fr)
Inventor
安智
周瑜
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Shenzhen Royole Technologies Co Ltd
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Shenzhen Royole Technologies Co Ltd
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Priority to PCT/CN2017/086726 priority Critical patent/WO2018218549A1/zh
Priority to CN201780053566.2A priority patent/CN109643193B/zh
Publication of WO2018218549A1 publication Critical patent/WO2018218549A1/zh
Anticipated expiration legal-status Critical
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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

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  • the present invention relates to the field of flexible screen technologies, and in particular, to a flexible screen, a bending state detecting method thereof, and a capacitor compensation method.
  • the flexible screen has the characteristics of low power consumption and flexibility, and can be applied to products such as smart terminals and wearable devices, thereby providing an excellent product experience for users.
  • How to detect the bending state of the flexible screen when it is subjected to bending is a problem that needs to be solved in the field of flexible screen technology.
  • conductive particles are used to conduct the upper and lower layers to detect the bending state of the flexible screen as the double-layer conductive film is deformed. This method needs to add a plurality of thick conductive particles in the thickness direction, which is disadvantageous for flexible display.
  • the thinness of the screen and the long-term reliability of particle dynamic deformation are risky.
  • the optical fiber cable is separately disposed on the periphery of the visible area of the flexible screen, and the bending state of the flexible screen is detected by detecting the photoelectric transmission time and displacement in the optical fiber cable under bending. This method needs to be separately set at the periphery of the visible area. Fiber optic cable is also not conducive to ultra-thin integration of products.
  • embodiments of the present invention provide a thin and light flexible screen, a bending state detecting method thereof, and a capacitor compensation method.
  • a flexible screen comprising: an overlapping functional layer and a bending detection sensor layer, the bending detection sensor layer comprising at least one bending detection sensor module, the bending detection sensor module comprising a detection signal transmitter and a detection signal conducting layer And a first detection signal receiver, the detection signal transmitter and the first detection signal receiver are disposed at a relative position within the flexible screen, and the detection signal conducting layer is connected to the detection signal transmitter and the Between the first detection signal receivers, for transmitting the detection signal transmitted by the detection signal transmitter to the first detection signal receiver for exciting to generate the first current signal by the first detection signal receiver The first current signal is used to determine a bending state of the flexible screen.
  • a bending state detecting method for a flexible screen the inside of the flexible screen is provided with a bending detecting sensor layer, the bending detecting sensor layer comprising at least one bending detecting sensor module, wherein the bending detecting sensor module comprises a detection signal transmission sequentially connected And a signal transduction layer and a first detection signal receiver, the detection method comprising:
  • a capacitance compensation method for a flexible screen comprising:
  • the capacitance of the flexible screen at the bent position is compensated according to the curved state of the flexible screen.
  • the bending detection sensor layer is disposed by laminating the functional layer, and the bending detection sensor layer includes at least one bending detection sensor module, and the bending detection sensor module includes a detection signal transmitter, a detection signal conducting layer and a first detection signal receiver connected in sequence, and the detection signal transmitter and the first detection signal receiver are respectively located at opposite positions within the flexible screen, when When the flexible screen is in a bent state, the detection signal may be transmitted by the detection signal transmitter, and the detection signal is transmitted to the first detection signal receiver by the detection signal conducting layer to trigger the first
  • the detection signal receiver generates a first current signal, so that the bending state of the flexible screen can be conveniently determined according to the size of the first current signal, and the capacitance of the flexible screen can be performed according to the bending state of the flexible screen. Compensation, thereby improving the touch precision of the flexible screen.
  • FIG. 1 is a first schematic structural diagram of a flexible screen according to an embodiment of the present invention.
  • FIG. 2 is a first schematic structural diagram of a bending detection sensor module of a flexible screen according to an embodiment of the present invention
  • FIG. 3 is a second structural diagram of a bending detection sensor module of a flexible screen according to an embodiment of the present invention. intention;
  • FIG. 4 is a second schematic structural diagram of a flexible screen according to an embodiment of the present invention.
  • FIG. 5 is a third schematic structural diagram of a flexible screen according to an embodiment of the present invention.
  • FIG. 6 is a schematic view showing a fourth structure of a flexible screen according to an embodiment of the present invention.
  • FIG. 7 is a fifth schematic structural diagram of a flexible screen according to an embodiment of the present invention.
  • FIG. 8 is a first schematic flowchart diagram of a method for detecting a bending state of a flexible screen according to an embodiment of the present invention
  • FIG. 9A to FIG. 9C are schematic diagrams showing a first application scenario of a method for detecting a bending state of a flexible screen according to an embodiment of the present invention.
  • FIG. 10 is a second schematic flowchart of a method for detecting a bending state of a flexible screen according to an embodiment of the present invention
  • FIG. 11A to FIG. 11C are schematic diagrams showing a second application scenario of a method for detecting a bending state of a flexible screen according to an embodiment of the present invention.
  • FIG. 12 is a first schematic flowchart of a method for compensating a capacitance of a flexible screen according to an embodiment of the present invention
  • FIG. 13 is a second schematic flowchart of a method for compensating a capacitance of a flexible screen according to an embodiment of the present invention.
  • a flexible screen 100 including: a functional layer 130 and a bend detecting sensor layer 150.
  • the functional layer 130 is stacked with the bending detection sensor layer 150.
  • the bending detection sensor layer 150 includes at least one bending detection sensor module 1500, and the bending detection sensor module 1500 includes a detection signal transmitter 151, a detection signal conducting layer 153, and a first detection signal receiver 155, the detection signal
  • the transmitter 151 and the first detection signal receiver 155 are disposed at opposite positions in the flexible screen 100, and the detection signal conducting layer 153 is connected to the detection signal transmitter 151 and the first detection signal receiver.
  • a detection signal for transmitting the detection signal transmitter 151 is transmitted to the first detection signal receiver 155 for reception.
  • the first detection signal receiver 155 is excited to generate a first current signal for determining a bending state of the flexible screen 100, for example, determining a degree of bending of the flexible screen 100 as a whole.
  • the functional layer 130 can be a touch layer.
  • the flexible screen 100 can be a flexible touch screen.
  • the functional layer 130 can also be a light emitting layer.
  • the flexible screen 100 can be The flexible display screen; or the functional layer 130 may also include a light emitting layer and a touch layer. Accordingly, the flexible screen 100 may be a flexible touch display screen.
  • the flexible screen 100 further includes a driving array layer 110
  • the functional layer 130 includes a light emitting layer 131
  • the detecting signal conducting layer 153 is disposed on the driving array layer 110 and the light emitting layer 131.
  • a first supporting layer 1531 is disposed between the detecting signal conducting layer 153 and the driving array layer 110
  • a second supporting layer 1533 is disposed between the detecting signal conducting layer 153 and the light emitting layer 131.
  • the first support layer 1531 and the second support layer 1533 are made of a transparent insulating material.
  • the refractive index of the detection signal conducting layer 153 is greater than the refractive index of other layers adjacent to the detection signal conducting layer 153, that is, greater than the refractive indices of the first supporting layer 1531 and the second supporting layer 1533.
  • the detection signal emitter 151 may be an invisible light emitter, such as an infrared light emitter, an ultraviolet light emitter, a laser emitter, or the like.
  • the detection signal conducting layer 153 may be a corresponding invisible light guiding layer, and the first detection signal receiver 155 may be a photoelectric sensor corresponding to the invisible light emitter 151.
  • the detection signal emitter 151 includes a first confinement layer 1511, a second confinement layer 1513, and an active layer 1515.
  • the active layer 1515 is disposed on the first confinement layer 1511 and the Between the two confinement layers 1513 and connected to the detection signal conducting layer 153, the active layer 1515 is configured to emit a detection signal under the driving of the first confinement layer 1511 and the second confinement layer 1513, and The detection signal is conducted to the first detection signal receiver 155 through the detection signal conducting layer 153.
  • the first detection signal receiver 155 includes a P-type semiconductor 1551 and an N-type semiconductor 1553, and the P-type semiconductor 1551 and the N-type semiconductor 1553 constitute a PN junction, and a contact surface of the P-type semiconductor 1551 and the N-type semiconductor 1553 ( That is, the junction of the PN junction is perpendicular to the detection signal conducting layer 153.
  • the first detection signal receiver 155 is configured to receive the detection signal and generate a corresponding first current signal.
  • the active layer 1515 and the detection signal conducting layer 153 are integrally manufactured in the same process, thereby effectively simplifying the production process and improving production efficiency.
  • the active layer 1515 and the detection signal conducting layer 153 The first layer is a continuously distributed integrally manufactured material layer, and a portion of the material layer between the first confinement layer 1511 and the second confinement layer 1513 forms an active layer 1515, and the material layer is located at the first confinement layer 1511 and the second layer. A portion other than the confinement layer 1513 forms the detection signal conducting layer 153.
  • the material layer is also directly in contact with the P-type semiconductor 1551 or the N-type semiconductor 1553 of the first detection signal receiver 155 to directly transmit the detection signal into the first detection signal receiver 155.
  • the invisible light emitting signal emitted by the invisible light emitter from the first side of the flexible screen 100 is reflected by the invisible light guiding layer and transmitted to a photosensor disposed on a second side of the flexible screen 100, through the photoelectric
  • the sensor performs photoelectric sensing to generate a corresponding first current signal, and further, by detecting a magnitude of the first current signal, determining a loss rate of the invisible light signal during conduction from the first side to the second side And determining a bending state of the flexible screen 100 according to a loss rate of the invisible light signal.
  • the detection signal emitter 151 may be an ultrasonic wave transmitting unit, the detecting signal conducting layer 153 may be an ultrasonic waveguide layer, and the first detecting signal receiver 155 may be an ultrasonic wave. Receiving unit.
  • the detection signal emitter 151 includes a first piezoelectric film 1512 and a second piezoelectric film 1514, and the first piezoelectric film 1512 and the second piezoelectric film 1514 are respectively disposed on the The opposite sides of the signal conducting layer 153 are detected for generating an ultrasonic detecting signal under the driving of a preset voltage, and the detecting signal is transmitted to the first detecting signal receiver 155 through the detecting signal conducting layer 153.
  • the first detection signal receiver 155 includes a third piezoelectric film 1552 and a fourth piezoelectric film 1554.
  • the third piezoelectric film 1552 and the fourth piezoelectric film 1554 are respectively disposed on the detection signal conducting layer 153. Relative sides.
  • the first detection signal receiver 155 is configured to receive the detection signal and generate a corresponding first current signal.
  • the material layer composed of the detection signal conducting layer 153 is also continuously distributed, and one end of the material layer is sandwiched between the first piezoelectric film 1512 and the second piezoelectric film 1514, and the other end is sandwiched. It is disposed between the third piezoelectric film 1552 and the fourth piezoelectric film 1554.
  • the ultrasonic signal emitted by the ultrasonic transmitting unit from the first side of the flexible screen 100 is reflected by the ultrasonic waveguide layer and transmitted to an ultrasonic receiving unit disposed on the second side of the flexible screen 100, and generates a corresponding a current signal, which in turn can determine a loss of the ultrasonic signal during conduction from the first side to the second side by detecting a magnitude of the first current signal The rate of consumption, and determining the bending state of the flexible screen 100 based on the loss rate of the ultrasonic signal.
  • the bending detection sensor module 1500 further includes a plurality of second detection signal receivers 157 spaced along the detection signal conducting layer 153 for receiving from the detection. a portion of the detection signal refracted by the signal conducting layer 153 and generating a plurality of second current signals for determining a curvature of the flexible screen 100 at a position of the plurality of second detection signal receivers 157
  • the state determines the degree of bending and the direction of bending of the position where each of the second detection signal receivers 157 is located.
  • the second detection signal receiver 157 can also be a photoelectric sensor corresponding to invisible light such as infrared light, ultraviolet light, or laser light, or an ultrasonic receiving unit. It can be understood that the type of the second detection signal receiver 157 is the same as the type of the first detection signal receiver 155.
  • the second detection signal receiver 157 is a photosensor, the contact surface of the P-type semiconductor 1571 and the N-type semiconductor 1573 included in the second detection signal receiver 157 is parallel to the detection signal conducting layer 153, As shown in Figure 4. If the second detection signal receiver 157 is an ultrasonic receiving unit, the structure of the second detection signal receiver 157 can refer to the structure of the first detection signal receiver 155 in the embodiment shown in FIG.
  • the driving array layer 110 includes a plurality of spaced apart driving transistor arrays 111, and the plurality of second detecting signal receivers 157 are disposed in the driving array layer 110. And located between different drive transistor arrays 111, respectively.
  • the plurality of second detection signal receivers 157 are disposed between the detection signal conducting layer 153 and the driving array layer 110, and the plurality of second detections.
  • a filling layer 1571 is disposed between the signal receivers 157, and the filling layer 1571 is made of the same material as the first supporting layer 1531.
  • the second detection signal receiver 157 can also be integrated in the first support layer 1531 or the second support layer 1533 or in the first support layer 1531 and the second support layer 1533 at the same time.
  • the signal receiving direction of the second detecting signal receiver 157 is different from the signal receiving direction of the first detecting signal receiver 155.
  • the signal receiving direction of the second detecting signal receiver 157 is perpendicular to the first detecting signal receiver 155. The direction of signal reception.
  • the number of second detection signal receivers 157 is greater than the number of first detection signal receivers 155.
  • the bend detection sensor module 1500 includes a plurality of spaced apart second detection signal receivers 157. Each of the second detection signal receivers 157 is different in distance from the detection signal transmitter 151.
  • the second detection signal receiver 157 By providing the second detection signal receiver 157 at a plurality of different positions, it is possible to receive the detection signal refracted from the respective positions of the detection signal conducting layer 153 when the flexible screen 100 is bent, thereby obtaining more accurate bending detection data.
  • the propagation path of the detection signal refracted by the detection signal conducting layer 153 is different, resulting in the same second detection signal receiver 157 receiving
  • the strength of the detection signal is also different.
  • the bending direction of the flexible screen 100 can also be determined by calculating the intensity of the received detection signal.
  • the bend detecting sensor layer 150 is disposed on a side of the light emitting layer 131 opposite to the driving array layer 110 , and the detecting signal conducting layer 150 and the emitting light
  • a first support layer 1531 is disposed between the layers 131.
  • the first support layer 1531, the detection signal emitter 151, the detection signal conducting layer 153, and the first detection signal receiver 155 are not blocked by the light of the light-emitting layer 131. They are all made of transparent materials.
  • the bend detecting sensor layer 150 is disposed in layers with the driving array layer 110 .
  • the driving array layer 110 includes a plurality of spaced apart driving transistor arrays 111 disposed between the driving transistor arrays 111 adjacent to the driving array layer 110. It can be understood that the bending detection sensor module 1500 can be disposed at the edge of the driving array layer 110 in order to reduce the space occupancy of the driving array layer 110 by the bending detection sensor module 1500.
  • the detection signal emitted by the detection signal emitter 151 is reflected and refracted when it is transmitted in the detection signal conducting layer 153.
  • the reflected partial detection signal continues to be transmitted in the detection signal conducting layer 153, and finally transmitted to the first detection signal receiver 155 for reception to excite the
  • the first detection signal receiver generates a first current signal and the refracted partial detection signal is refracted from the detection signal conducting layer 153, and is received by the plurality of second detection signal receivers 157, and generates a plurality of second Current signal.
  • the detection signal transmitter 151 transmits the detection signal and the transmission time, and the reception time and the reception angle at which each of the detection signal receivers receives the detection signal. Further, according to the size of the first current signal and the plurality of second current signals, combined with the emission angle and the emission time of the detection signal, and each of the bending detection sensor modules The positional coordinates of the plurality of detection signal receivers in the 1500, the detection signal reception angle, and the reception time can calculate a curved deformation curve of the position corresponding to each of the bending detection sensor modules 1500.
  • the bending deformation curves of the plurality of bending detection sensor modules 1500 and the corresponding positions included in the flexible screen 100, combined with the positions of all the detection signal receivers in the plurality of bending detection sensor modules 1500 The coordinates can be used to iteratively calculate the three-dimensional coordinates of the entire flexible screen 100 in a curved state, thereby realizing the detection of the three-dimensional bending state.
  • a method for detecting a bending state of a flexible screen is provided.
  • the inside of the flexible screen is provided with a bending detecting sensor layer, and the bending detecting sensor layer includes at least one bending detecting sensor module.
  • the bending detection sensor module includes a detection signal transmitter, a detection signal conducting layer and a first detection signal receiver which are sequentially connected, and the bending state detecting method includes:
  • Step 801 transmitting a detection signal by the detection signal transmitter, and transmitting the detection signal to the first detection signal receiver through the detection signal conducting layer to stimulate the first detection signal receiver to generate First current signal;
  • Step 803 Determine a bending state of the flexible screen according to a size of the first current signal.
  • 9A, 9B, and 9C wherein 900 is a flexible screen, 950 is a bending detection sensor layer disposed in the flexible screen 900, 9500 is a bending detection sensor module, and 951 is a detection signal transmitter. , 953 is a detection signal conducting layer, and 955 is a first detection signal receiver.
  • the detection signal transmitter 951 and the first detection signal receiver 955 may be disposed around the flexible screen 900, respectively, and each bending detection sensor module 9500 is provided.
  • the detection signal transmitter 951 is disposed opposite to the first detection signal receiver 955.
  • Fig. 9B is a cross-sectional view of the flexible screen 900 shown in Fig. 9A in the plane A1-A2 in a planar state. It can be understood that when the flexible screen 900 is in a planar state, the detection signal emitted by the detection signal transmitter 951 is directly transmitted to the first detection signal receiver 955 through the detection signal conducting layer 953, thereby The conduction time and loss of the detection signal are minimal.
  • Fig. 9C is a cross-sectional view of the flexible screen 900 shown in Fig. 9A in the curved state in the A1-A2 direction. It can be understood that when the flexible screen 900 is in a bent state, the detection signal emitted by the detection signal emitter 951 is transmitted to the first detection signal after a series of reflections in the detection signal conducting layer 953. Receiver 955 receives, at the same time, there will be some detection signals at each reflection It is refracted from the detection signal conducting layer 953, resulting in a large conduction time and loss of the detection signal. Therefore, according to the size of the first current signal generated by the first detection signal receiver 955, the loss of the detection signal during the conduction process can be determined, and the conduction time of the detection signal can be combined to determine the flexible screen 900. Bending state.
  • the flexible screen further includes a plurality of second detection signal receivers disposed along the detection signal conducting layer, the method further comprising:
  • Step 1001 Receive, by the plurality of second detection signal receivers, a partial detection signal refracted from the detection signal conducting layer, and generate a plurality of second current signals;
  • Step 1003 Determine a bending state of the flexible screen at a position where the plurality of second detection signal receivers are located according to the size of the plurality of second current signals.
  • 11A, FIG. 11B and FIG. 11C wherein 1100 is a flexible screen, 1150 is a bending detection sensor layer disposed in the flexible screen 1100, 11500 is a bending detection sensor module, and 1151 is a detection signal transmitter. 1153 is a detection signal conducting layer, 1155 is a first detection signal receiver, and 1157 is a second detection signal receiver.
  • the detection signal transmitter 1151, the first detection signal receiver 1155, and the second detection signal receiver 1157 may be disposed on the flexible screen 1100 in an array arrangement.
  • the detection signal transmitter 1151 of each of the bending detection sensor modules 11500 is disposed opposite to the first detection signal receiver 1155, and the second detection signal receiver 1157 of the bending detection sensor module 11500 is along the detection.
  • the signal conducting layer 1153 is provided.
  • Figure 11B is a cross-sectional view of the flexible screen 1100 of Figure 11A in a planar state with a time delay B1-B2. It can be understood that when the flexible screen 1100 is in a planar state, the detection signal emitted by the detection signal transmitter 1151 is directly transmitted to the first detection signal receiver 1155 through the detection signal conducting layer 1153, thereby causing The conduction time and loss of the detection signal are minimal.
  • Figure 11C is a cross-sectional view of the flexible screen 1100 shown in Figure 11A in the B1-B2 direction in a curved state. It can be understood that when the flexible screen 1100 is in a bent state, the detection signal emitted by the detection signal transmitter 1151 is transmitted to the first detection signal after a series of reflections in the detection signal conducting layer 1153. The device 1155 receives, and at the same time, a partial detection signal is refracted from the detection signal conducting layer 1153 at each reflection, and is received by the second detection signal receiver 1157, thereby causing the conduction time of the detection signal. And the loss is large.
  • the magnitude of the first current signal generated by the first detection signal receiver 955 can determine the magnitude of the loss of the detection signal during conduction, and the bending state of the flexible screen 900 can be determined in conjunction with the conduction time of the detection signal. At the same time, the bending state of the flexible screen 1100 at the position of each of the second detection signal receivers 1157 can be determined according to the magnitude of the second current signal generated by each of the second detection signal receivers 1157.
  • a capacitor compensation method for a flexible screen including:
  • Step 1201 detecting a bending state of the flexible screen by a bending detection sensor layer inside the flexible screen;
  • Step 1203 Compensating for the capacitance of the flexible screen at the bending position according to the bending state of the flexible screen.
  • the compensating the capacitance of the flexible screen at the bending position according to the bending state of the flexible screen comprises:
  • Step 1301 determining a bending position of the flexible screen and a bending degree at the bending position
  • Step 1303 Adjust the driving voltage or current at the bending position according to the degree of bending, and compensate the capacitance to the capacitance with the non-bending position.
  • detecting the bending state of the flexible screen by the bending detection sensor layer inside the flexible screen comprises:
  • the bending detection sensor layer includes at least one bending detection sensor module, and the bending detection sensor module includes a detection signal transmitter, a detection signal conducting layer and a first detection signal receiver, which are sequentially connected, and the detection signal transmitter transmits Detecting a signal and transmitting the detection signal to the first detection signal receiver through the detection signal conducting layer to excite the first detection signal receiver to generate a first current signal, and according to the first The magnitude of the current signal determines the bending state of the flexible screen.
  • determining the bending position of the flexible screen and the degree of bending at the bending position include:
  • each step in the method for compensating the capacitance of the flexible screen in this embodiment can also refer to the related description in the embodiment shown in FIG. 1 to FIG. 11C, and details are not described herein again.
  • the touch electrode pattern of the touch layer is stretched or compressed due to bending, and the driving electrode and the sensing electrode in the touch electrode are The distance between them will also change microscopically, resulting in a change in the intrinsic mutual capacitance at the bending position, resulting in poor uniformity of the intrinsic mutual capacitance with other non-bending positions, affecting the touch at the bending position.
  • the intrinsic mutual capacitance at a certain location is originally 5pf, and when the position is bent, the capacitance becomes 4pf.
  • the amount of change of the capacitance is calculated, and then the voltage or current of the position is adjusted, thereby compensating the corresponding amount of the capacitance, that is, The 4pf compensation is 5pf.
  • the bending detecting sensor layer is laminated with the functional layer, and the bending detecting sensor layer includes at least one bending detecting sensor module, and the bending detecting sensor module includes a connected detection signal transmitter, a detection signal conducting layer and a first detection signal receiver, and wherein the detection signal transmitter and the first detection signal receiver are respectively located at opposite positions within the flexible screen, when the flexibility When the screen is in a bent state, the detection signal may be transmitted by the detection signal transmitter, and the detection signal is transmitted to the first detection signal receiver by the detection signal conducting layer to trigger the first detection.
  • the signal receiver generates a first current signal, so that the bending state of the flexible screen can be conveniently determined according to the size of the first current signal, and the capacitance of the flexible screen can be compensated according to the bending state of the flexible screen. Thereby improving the touch precision of the flexible screen.

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Abstract

一种柔性屏（100），包括层叠设置的功能层（130）和弯曲检测传感器层（150），弯曲检测传感器层（150）包括至少一个弯曲检测传感器模组（1500），弯曲检测传感器模组（1500）包括检测信号发射器（151）、检测信号传导层（153）和第一检测信号接收器（155），检测信号发射器（151）和第一检测信号接收器（155）分别设置于柔性屏（100）相对的两侧，检测信号传导层（153）连接于检测信号发射器（151）与第一检测信号接收器（155）之间，用于将检测信号发射器（151）发射的检测信号传导至第一检测信号接收器（155）接收，以激发第一检测信号接收器（155）产生第一电流信号，第一电流信号用于确定柔性屏（100）的弯曲状态。还提供一种柔性屏（100）的弯曲状态检测方法和电容补偿方法，可以实现柔性屏（100）的弯曲状态检测。

Description

柔性屏及其弯曲状态检测方法和电容补偿方法 技术领域
本发明涉及柔性屏技术领域，尤其涉及一种柔性屏及其弯曲状态检测方法和电容补偿方法。
背景技术
柔性屏具有低功耗、可弯曲等特性，其可以应用于智能终端、可穿戴设备等产品中，从而为用户提供优秀的产品体验。柔性屏在受力弯曲时，如何检测其弯曲状态是柔性屏技术领域需要解决的问题。目前，现有技术中采用导电粒子随着双层导电薄膜形变而使上下层导通来检测柔性屏的弯曲状态，此方法在厚度方向需增加多层较厚的导电粒子材料，不利于柔性显示屏的轻薄化，粒子动态形变长期可靠性有风险。另外，也有通过在柔性屏的可视区域外围单独设置光纤电缆，进而通过检测弯曲状态下光纤电缆内的光电传输时间和位移来检测柔性屏的弯曲状态，此方法需在可视区外围单独设置光纤电缆，同样不利于产品超薄集成。
发明内容
鉴于现有技术中存在的上述问题，本发明实施例提供一种轻薄化的柔性屏及其弯曲状态检测方法和电容补偿方法。
一种柔性屏，包括：叠设的功能层和弯曲检测传感器层，所述弯曲检测传感器层包括至少一个弯曲检测传感器模组，所述弯曲检测传感器模组包括检测信号发射器、检测信号传导层和第一检测信号接收器，所述检测信号发射器及所述第一检测信号接收器设置于所述柔性屏内的相对位置，所述检测信号传导层连接于所述检测信号发射器与所述第一检测信号接收器之间，用于将所述检测信号发射器发射的检测信号传导至所述第一检测信号接收器接收，以激发所述第一检测信号接收器产生第一电流信号，所述第一电流信号用于确定所述柔性屏的弯曲状态。
一种柔性屏的弯曲状态检测方法，柔性屏的内部设置有弯曲检测传感器层，所述弯曲检测传感器层包括至少一个弯曲检测传感器模组，所述弯曲检测传感器模组包括依次连接的检测信号发射器、检测信号传导层和第一检测信号接收器，所述检测方法包括：
通过所述检测信号发射器发射检测信号，并通过所述检测信号传导层将所述检测信号传导至所述第一检测信号接收器接收，以激发所述第一检测信号接收器产生第一电流信号；
根据所述第一电流信号的大小确定所述柔性屏的弯曲状态。
一种柔性屏的电容补偿方法，包括：
通过柔性屏的内部的弯曲检测传感器层检测所述柔性屏的弯曲状态；
根据所述柔性屏的弯曲状态，对所述柔性屏在弯曲位置处的电容进行补偿。
本发明实施例所述的柔性屏中，通过设置与所述功能层层叠设置的弯曲检测传感器层，且所述弯曲检测传感器层包括至少一个弯曲检测传感器模组，所述弯曲检测传感器模组包括依次连接的检测信号发射器、检测信号传导层和第一检测信号接收器，且所述检测信号发射器和所述第一检测信号接收器分别位于所述柔性屏内的相对位置，当所述柔性屏处于弯曲状态时，可以通过所述检测信号发射器发射检测信号，并由所述检测信号传导层将所述检测信号传导至所述第一检测信号接收器接收，以触发所述第一检测信号接收器产生第一电流信号，进而可以方便地根据所述第一电流信号的大小确定所述柔性屏的弯曲状态，并可以根据所述柔性屏的弯曲状态对所述柔性屏的电容进行补偿，从而提升所述柔性屏的触控精度。
附图说明
为了更清楚地说明本发明实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍。
图1是本发明实施例提供的柔性屏的第一结构示意图；
图2是本发明实施例提供的柔性屏的弯曲检测传感器模组的第一结构示意图；
图3是本发明实施例提供的柔性屏的弯曲检测传感器模组的第二结构示 意图；
图4是本发明实施例提供的柔性屏的第二结构示意图；
图5是本发明实施例提供的柔性屏的第三结构示意图；
图6是本发明实施例提供的柔性屏的第四结构示意图；
图7是本发明实施例提供的柔性屏的第五结构示意图；
图8是本发明实施例提供的柔性屏的弯曲状态检测方法的第一流程示意图；
图9A至图9C是本发明实施例提供的柔性屏的弯曲状态检测方法的第一应用场景示意图；
图10是本发明实施例提供的柔性屏的弯曲状态检测方法的第二流程示意图；
图11A至图11C是本发明实施例提供的柔性屏的弯曲状态检测方法的第二应用场景示意图；
图12是本发明实施例提供的柔性屏的电容补偿方法的第一流程示意图；
图13是本发明实施例提供的柔性屏的电容补偿方法的第二流程示意图。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
请参阅图1，在本发明一个实施例中，提供一种柔性屏100，包括：功能层130和弯曲检测传感器层150。所述功能层130与所述弯曲检测传感器层150层叠设置。所述弯曲检测传感器层150包括至少一个弯曲检测传感器模组1500，所述弯曲检测传感器模组1500包括检测信号发射器151、检测信号传导层153和第一检测信号接收器155，所述检测信号发射器151及所述第一检测信号接收器155设置于所述柔性屏100内的相对位置，所述检测信号传导层153连接于所述检测信号发射器151与所述第一检测信号接收器155之间，用于将所述检测信号发射器151发射的检测信号传导至所述第一检测信号接收器155接收， 以激发所述第一检测信号接收器155产生第一电流信号，所述第一电流信号用于确定所述柔性屏100的弯曲状态，例如确定所述柔性屏100整体的弯曲程度。
可以理解，所述功能层130可以为触控层，相应地，所述柔性屏100可以为柔性触摸屏；或者，所述功能层130也可以为发光层，相应地，所述柔性屏100可以为柔性显示屏；或者，所述功能层130还可以同时包括发光层和触控层，相应地，所述柔性屏100可以为柔性触摸显示屏。
在一种实施方式中，所述柔性屏100还包括驱动阵列层110，所述功能层130包括发光层131，所述检测信号传导层153设置于所述驱动阵列层110与所述发光层131之间，如图1所示。所述检测信号传导层153与所述驱动阵列层110之间设置有第一支撑层1531，所述检测信号传导层153与所述发光层131之间设置有第二支撑层1533。在本实施方式中，所述第一支撑层1531和所述第二支撑层1533由透明绝缘材料制成。所述检测信号传导层153的折射率大于临近所述检测信号传导层153的其他层的折射率，即大于所述第一支撑层1531和所述第二支撑层1533的折射率。
请参阅图2，在一种实施方式中，所述检测信号发射器151可以为不可见光发射器，例如，红外光发射器、紫外光发射器、激光发射器等。所述检测信号传导层153可以为对应的不可见光波导层，所述第一检测信号接收器155可以为与所述不可见光发射器151对应的光电传感器。在本实施方式中，所述检测信号发射器151包括第一限制层1511、第二限制层1513和有源层1515，所述有源层1515设置于所述第一限制层1511和所述第二限制层1513之间，并与所述检测信号传导层153连接，所述有源层1515用于在所述第一限制层1511和所述第二限制层1513的驱动下发射检测信号，并通过所述检测信号传导层153将所述检测信号传导至所述第一检测信号接收器155。所述第一检测信号接收器155包括P型半导体1551和N型半导体1553，所述P型半导体1551和N型半导体1553构成PN结，所述P型半导体1551和N型半导体1553的接触面(即PN结的结面)垂直于所述检测信号传导层153。所述第一检测信号接收器155用于接收所述检测信号，并生成对应的第一电流信号。
有源层1515与检测信号传导层153为在同一制程中一体制造，因而可以有效地简化生产工艺，提升生产效率。有源层1515与检测信号传导层153实 际上为同一层呈连续分布的一体制造的材料层，材料层位于第一限制层1511与第二限制层1513之间的部分形成有源层1515，材料层位于第一限制层1511与第二限制层1513之外的部分形成检测信号传导层153。材料层还直接与第一检测信号接收器155的P型半导体1551或N型半导体1553接触，以将检测信号直接传输进第一检测信号接收器155。
所述不可见光发射器从所述柔性屏100的第一侧发射的不可见光信号通过所述不可见光波导层反射并传导至设置于所述柔性屏100第二侧的光电传感器，通过所述光电传感器进行光电感应产生对应的第一电流信号，进而可以通过检测所述第一电流信号的大小来判断所述不可见光信号在从所述第一侧传导至所述第二侧过程中的损耗率，并根据所述不可见光信号的损耗率来确定所述柔性屏100的弯曲状态。
请参阅图3，在一种实施方式中，所述检测信号发射器151可以为超声波发射单元，所述检测信号传导层153可以为超声波波导层，所述第一检测信号接收器155可以为超声波接收单元。在本实施方式中，所述检测信号发射器151包括第一压电薄膜1512和第二压电薄膜1514，所述第一压电薄膜1512和所述第二压电薄膜1514分别设置于所述检测信号传导层153的相对两侧，用于在预设电压的驱动下生成超声波检测信号，并通过所述检测信号传导层153将所述检测信号传导至所述第一检测信号接收器155。所述第一检测信号接收器155包括第三压电薄膜1552和第四压电薄膜1554，所述第三压电薄膜1552和第四压电薄膜1554分别设置于所述检测信号传导层153的相对两侧。所述第一检测信号接收器155用于接收所述检测信号，并生成对应的第一电流信号。
同理，在本实施例中，检测信号传导层153所组成的材料层也为连续分布，材料层的一端夹设于第一压电薄膜1512与第二压电薄膜1514之间，另一端夹设于第三压电薄膜1552与第四压电薄膜1554之间。
所述超声波发射单元从所述柔性屏100的第一侧发射的超声波信号通过所述超声波波导层反射并传导至设置于所述柔性屏100第二侧的超声波接收单元接收，并生成对应的第一电流信号，进而可以通过检测所述第一电流信号的大小来判断所述超声波信号在从所述第一侧传导至所述第二侧过程中的损 耗率，并根据所述超声波信号的损耗率来确定所述柔性屏100的弯曲状态。
请参阅图4，在一种实施方式中，所述弯曲检测传感器模组1500还包括沿所述检测信号传导层153间隔设置的多个第二检测信号接收器157，用于接收从所述检测信号传导层153折射出的部分检测信号，并产生多个第二电流信号，所述多个第二电流信号用于确定所述柔性屏100在多个第二检测信号接收器157所在位置的弯曲状态，例如确定每一个第二检测信号接收器157所在位置的弯曲程度和弯曲方向。其中，所述第二检测信号接收器157同样可以为红外光、紫外光、激光等不可见光对应的光电传感器，或者为超声波接收单元。可以理解，所述第二检测信号接收器157的类型与所述第一检测信号接收器155的类型相同。
可以理解，若所述第二检测信号接收器157为光电传感器，所述第二检测信号接收器157包括的P型半导体1571和N型半导体1573的接触面平行于所述检测信号传导层153，如图4所示。若所述第二检测信号接收器157为超声波接收单元，则所述第二检测信号接收器157的结构可以参照图3所示实施例中第一检测信号接收器155的结构。
如图4所示，在一种实施方式中，所述驱动阵列层110包括多个间隔设置的驱动晶体管阵列111，所述多个第二检测信号接收器157设置于所述驱动阵列层110内，并分别位于不同的驱动晶体管阵列111之间。
请参阅图5，在一种实施方式中，所述多个第二检测信号接收器157间隔设置于所述检测信号传导层153与所述驱动阵列层110之间，所述多个第二检测信号接收器157之间设置有填充层1571，所述填充层1571与所述第一支撑层1531由相同的材料制成。
可以理解地，第二检测信号接收器157还可以集成于第一支撑层1531或第二支撑层1533内，或者同时位于第一支撑层1531及第二支撑层1533内。
第二检测信号接收器157的信号接收方向不同于第一检测信号接收器155的信号接收方向，本实施例中，第二检测信号接收器157的信号接收方向垂直于第一检测信号接收器155的信号接收方向。
第二检测信号接收器157的数量多于第一检测信号接收器155的数量。特别地，弯曲检测传感器模组1500包括多个间隔设置的第二检测信号接收器157。 各第二检测信号接收器157离检测信号发射器151的距离不同。
通过在多个不同的位置设置第二检测信号接收器157，可以接收柔性屏100在弯曲时从检测信号传导层153各个位置折射出的检测信号，从而得到更加精确的弯曲检测数据。特别地，当柔性屏100以相同的角度沿不同的方向弯曲时，通过检测信号传导层153所折射出的检测信号的传播路径有所差异，从而导致同一第二检测信号接收器157接收到的检测信号的强度也有所不同。通过计算接收到检测信号的强度，还可以确定柔性屏100的弯曲方向。
请参阅图6，在一种实施方式中，所述弯曲检测传感器层150设置于所述发光层131相背于所述驱动阵列层110的一侧，所述检测信号传导层150与所述发光层131之间设置有第一支撑层1531。在本实施方式中，为不遮挡所述发光层131的光线，所述第一支撑层1531、所述检测信号发射器151、所述检测信号传导层153及所述第一检测信号接收器155均由透明材料制成。
请参阅图7，在一种实施方式中，所述弯曲检测传感器层150与所述驱动阵列层110共层设置。所述驱动阵列层110包括多个间隔设置的驱动晶体管阵列111，所述弯曲检测传感器模组1500设置于所述驱动阵列层110相邻的驱动晶体管阵列111之间。可以理解，为降低所述弯曲检测传感器模组1500对所述驱动阵列层110的空间占用率，可以将所述弯曲检测传感器模组1500设置于所述驱动阵列层110边缘。
可以理解，若所述柔性屏100处于弯曲状态下，则所述检测信号发射器151发射的检测信号在所述检测信号传导层153中传输时，会产生反射和折射。其中，所述检测信号在每一次反射和折射之后，反射的部分检测信号继续在所述检测信号传导层153中传输，并最终传导至所述第一检测信号接收器155接收，以激发所述第一检测信号接收器产生第一电流信号而折射的部分检测信号则从所述检测信号传导层153折射出，并通过所述多个第二检测信号接收器157接收，并产生多个第二电流信号。
同时，还可以记录所述检测信号发射器151发射所述检测信号的角度及发射时间，以及每一个检测信号接收器接收所述检测信号的接收时间以及接收角度。进一步地，根据所述第一电流信号和所述多个第二电流信号的大小，并结合所述检测信号的发射角度及发射时间，以及每一个弯曲检测传感器模组 1500中的多个检测信号接收器的位置坐标、检测信号接收角度及接收时间，可以计算出每一个弯曲检测传感器模组1500对应的位置的弯曲形变曲线。再进一步地，根据所述柔性屏100所包含的多个弯曲检测传感器模组1500及对应的位置的弯曲形变曲线，并结合所述多个弯曲检测传感器模组1500中所有检测信号接收器的位置坐标，即可迭代计算出整个柔性屏100在弯曲状态下的三维坐标，从而实现三维弯曲状态的检测。
请参阅图8，在本发明一个实施例中，提供一种柔性屏的弯曲状态检测方法，柔性屏的内部设置有弯曲检测传感器层，所述弯曲检测传感器层包括至少一个弯曲检测传感器模组，所述弯曲检测传感器模组包括依次连接的检测信号发射器、检测信号传导层和第一检测信号接收器，所述弯曲状态检测方法包括：
步骤801：通过所述检测信号发射器发射检测信号，并通过所述检测信号传导层将所述检测信号传导至所述第一检测信号接收器接收，以激发所述第一检测信号接收器产生第一电流信号；
步骤803：根据所述第一电流信号的大小确定所述柔性屏的弯曲状态。
请一并参阅图9A、图9B和图9C，其中，900为柔性屏，950为设置于所述柔性屏900内的弯曲检测传感器层，9500为弯曲检测传感器模组，951为检测信号发射器，953为检测信号传导层，955为第一检测信号接收器。
如图9A所示，在一种实施方式中，所述检测信号发射器951和第一检测信号接收器955可以设置于分别所述柔性屏900的四周，并使得每一个弯曲检测传感器模组9500的检测信号发射器951与第一检测信号接收器955相对设置。
图9B为图9A所示的柔性屏900在平面状态时沿A1-A2方向的截面图。可以理解，当所述柔性屏900处于平面状态时，所述检测信号发射器951发射的检测信号直接通过所述检测信号传导层953传导至所述第一检测信号接收器955接收，从而使得所述检测信号的传导时间和损耗最小。
图9C为图9A所示的柔性屏900在弯曲状态时沿A1-A2方向的截面图。可以理解，当所述柔性屏900处于弯曲状态时，所述检测信号发射器951发射的检测信号会在所述检测信号传导层953内经过一系列反射之后被传导至所述第一检测信号接收器955接收，同时，在每一次反射时还会有部分检测信号 从所述检测信号传导层953折射出去，从而导致所述检测信号的传导时间和损耗较大。因此，根据所述第一检测信号接收器955生成的第一电流信号的大小即可判断检测信号在传导过程中的损耗大小，并结合检测信号的传导时间，即可确定所述柔性屏900的弯曲状态。
请参阅图10，在一种实施方式中，所述柔性屏还包括沿所述检测信号传导层间隔设置多个第二检测信号接收器，所述方法还包括：
步骤1001：通过所述多个第二检测信号接收器接收从所述检测信号传导层折射出的部分检测信号，并产生多个第二电流信号；
步骤1003：根据所述多个第二电流信号的大小确定所述柔性屏在多个第二检测信号接收器所在位置的弯曲状态。
请一并参阅图11A、图11B和图11C，其中，1100为柔性屏，1150为设置于所述柔性屏1100内的弯曲检测传感器层，11500为弯曲检测传感器模组，1151为检测信号发射器，1153为检测信号传导层，1155为第一检测信号接收器，1157为第二检测信号接收器。
如图11A所示，在一种实施方式中，所述检测信号发射器1151、第一检测信号接收器1155及第二检测信号接收器1157可以采用阵列排布的方式设置于所述柔性屏1100内，同时使每一个弯曲检测传感器模组11500的检测信号发射器1151与第一检测信号接收器1155相对设置，并使该弯曲检测传感器模组11500的第二检测信号接收器1157沿所述检测信号传导层1153设置。
图11B为图11A所示的柔性屏1100在平面状态时延B1-B2方向的截面图。可以理解，当所述柔性屏1100处于平面状态时，所述检测信号发射器1151发射的检测信号直接通过所述检测信号传导层1153传导至所述第一检测信号接收器1155接收，从而使得所述检测信号的传导时间和损耗最小。
图11C为图11A所示的柔性屏1100在弯曲状态时沿B1-B2方向的截面图。可以理解，当所述柔性屏1100处于弯曲状态时，所述检测信号发射器1151发射的检测信号会在所述检测信号传导层1153内经过一系列反射之后被传导至所述第一检测信号接收器1155接收，同时，在每一次反射时还会有部分检测信号从所述检测信号传导层1153折射出去，并由所述第二检测信号接收器1157接收，从而导致所述检测信号的传导时间和损耗较大。因此，根据所述 第一检测信号接收器955生成的第一电流信号的大小即可判断检测信号在传导过程中的损耗大小，并结合检测信号的传导时间，即可确定所述柔性屏900的弯曲状态。同时，根据每一个所述第二检测信号接收器1157生成的第二电流信号的大小即可判断柔性屏1100在每一个第二检测信号接收器1157所在位置的弯曲状态。
可以理解，本实施例所述的柔性屏的弯曲状态检测方法中各步骤的具体实施还可以参照图1至7所示实施例中的相关描述，此处不再赘述。
请参阅图12，在本发明一个实施例中，提供一种柔性屏的电容补偿方法，包括：
步骤1201：通过柔性屏的内部的弯曲检测传感器层检测所述柔性屏的弯曲状态；
步骤1203：根据所述柔性屏的弯曲状态，对所述柔性屏在弯曲位置处的电容进行补偿。
请参阅图13，在一种实施方式中，所述根据所述柔性屏的弯曲状态，对所述柔性屏在弯曲位置处的电容进行补偿，包括：
步骤1301：确定柔性屏的弯曲位置及在弯曲位置的弯曲程度；
步骤1303：根据所述弯曲程度调节弯曲位置处的驱动电压或电流，将电容补偿至与非弯曲位置的电容均等。
在一种实施方式中，通过柔性屏的内部的弯曲检测传感器层检测所述柔性屏的弯曲状态，包括：
所述弯曲检测传感器层包括至少一个弯曲检测传感器模组，所述弯曲检测传感器模组包括依次连接的检测信号发射器、检测信号传导层和第一检测信号接收器，所述检测信号发射器发射检测信号，并通过所述检测信号传导层将所述检测信号传导至所述第一检测信号接收器接收，以激发所述第一检测信号接收器产生第一电流信号，并根据所述第一电流信号的大小确定所述柔性屏的弯曲状态。
在一种实施方式中，确定柔性屏的弯曲位置及在弯曲位置的弯曲程度，包括：
通过沿所述检测信号传导层间隔设置多个第二检测信号接收器接收从所 述检测信号传导层折射出的部分检测信号，并产生多个第二电流信号；
根据所述多个第二电流信号的位置及大小，确定柔性屏的弯曲位置及弯曲程度。
可以理解，本实施例所述的柔性屏的电容补偿方法中各步骤的具体实施还可以参照图1至11C所示实施例中的相关描述，此处不再赘述。
在柔性屏的功能层为触控层的情况下，当柔性屏弯曲时，触控层的触控电极图案由于弯曲而出现拉伸或压缩形变，并且，触控电极中的驱动电极和感应电极之间的距离也会随之产生微观变化，从而导致在弯曲位置处的本征互电容发生改变，造成与其他非弯曲位置的本征互电容均匀性变差，影响到弯曲位置处的触控灵敏度和精度。因此，本发明通过检测发生弯曲的位置以及弯曲的程度，来主动对弯曲位置的本征互电容进行补偿。比如，某一位置处的本征互电容原本为5pf，当该位置发生弯曲时，电容变成4pf。通过检测该位置的弯曲程度，然后根据预设的弯曲程度与电容变化的对应关系，计算出电容的变化量，再对该位置的电压或电流进行调整，从而对电容补偿相应的量，即把4pf补偿为5pf。
本发明实施例所述的柔性屏中，通过设置与所述功能层层叠的弯曲检测传感器层，且所述弯曲检测传感器层包括至少一个弯曲检测传感器模组，所述弯曲检测传感器模组包括依次连接的检测信号发射器、检测信号传导层和第一检测信号接收器，且所述检测信号发射器和所述第一检测信号接收器分别位于所述柔性屏内的相对位置，当所述柔性屏处于弯曲状态时，可以通过所述检测信号发射器发射检测信号，并由所述检测信号传导层将所述检测信号传导至所述第一检测信号接收器接收，以触发所述第一检测信号接收器产生第一电流信号，进而可以方便地根据所述第一电流信号的大小确定所述柔性屏的弯曲状态，并可以根据所述柔性屏的弯曲状态对所述柔性屏的电容进行补偿，从而提升所述柔性屏的触控精度。
以上所揭露的仅为本发明的较佳实施例而已，当然不能以此来限定本发明之权利范围，本领域普通技术人员可以理解实现上述实施例的全部或部分流程，并依本发明权利要求所作的等同变化，仍属于发明所涵盖的范围。

Claims (27)

  1. 一种柔性屏，其特征在于，包括：叠设的功能层和弯曲检测传感器层，所述弯曲检测传感器层包括至少一个弯曲检测传感器模组，所述弯曲检测传感器模组包括检测信号发射器、检测信号传导层和第一检测信号接收器，所述检测信号发射器及所述第一检测信号接收器设置于所述柔性屏内的相对位置，所述检测信号传导层连接于所述检测信号发射器与所述第一检测信号接收器之间，用于将所述检测信号发射器发射的检测信号传导至所述第一检测信号接收器接收，以激发所述第一检测信号接收器产生第一电流信号，所述第一电流信号用于确定所述柔性屏的弯曲状态。
  2. 如权利要求1所述的柔性屏，其特征在于，所述弯曲检测传感器模组还包括沿所述检测信号传导层间隔设置的多个第二检测信号接收器，用于接收从所述检测信号传导层折射出的部分检测信号，并产生多个第二电流信号，所述多个第二电流信号用于确定所述柔性屏在多个第二检测信号接收器所在位置的弯曲状态。
  3. 如权利要求2所述的柔性屏，其特征在于，所述第二检测信号接收器的检测信号接收方向不同于所述第一检测信号接收器的检测信号接收方向。
  4. 如权利要求3所述的柔性屏，其特征在于，所述第二检测信号接收器的检测信号接收方向垂直于所述第一检测信号接收器的检测信号接收方向。
  5. 如权利要求2所述的柔性屏，其特征在于，所述第二检测信号接收器与所述检测信号传导层直接接触。
  6. 如权利要求2所述的柔性屏，其特征在于，所述第二检测信号接收器与所述检测信号传导层之间设有第一支撑层，部分检测信号透过所述第一支撑层传输至所述第二检测信号接收器。
  7. 如权利要求2所述的柔性屏，其特征在于，所述功能层与所述第二检测信号接收器分别位于所述检测信号传导层的相对两侧。
  8. 如权利要求2所述的柔性屏，其特征在于，所述功能层与所述第二检测信号接收器位于所述检测信号传导层的同侧。
  9. 如权利要求2所述的柔性屏，其特征在于，所述柔性屏还包括驱动阵列层，所述功能层包括发光层，所述检测信号传导层设置于所述驱动阵列层与所述发光层之间。
  10. 如权利要求9所述的柔性屏，其特征在于，所述驱动阵列层包括多个间隔设置的驱动晶体管阵列，所述多个第二检测信号接收器设置于所述驱动阵列层内，并分别位于不同的驱动晶体管阵列之间。
  11. 如权利要求9所述的柔性屏，其特征在于，所述多个第二检测信号接收器间隔设置于所述检测信号传导层与所述驱动阵列层之间，所述多个第二检测信号接收器之间设置有填充层。
  12. 如权利要求9所述的柔性屏，其特征在于，所述弯曲检测传感器层设置于所述发光层相背于所述驱动阵列层的一侧，所述检测信号传导层与所述发光层之间设置有第一支撑层，所述第一支撑层、所述检测信号发射器、所述检测信号传导层及所述第一检测信号接收器均由透明材料制成。
  13. 如权利要求9所述的柔性屏，其特征在于，所述弯曲检测传感器层与所述驱动阵列层共层设置，所述驱动阵列层包括多个间隔设置的驱动晶体管阵列，所述弯曲检测传感器模组设置于所述驱动阵列层相邻的驱动晶体管阵列之间。
  14. 如权利要求2至13任一项所述的柔性屏，其特征在于，所述检测信号发射器为不可见光发射器，所述第一检测信号接收器和所述第二检测信号接收器均为与所述不可见光发射器对应的光电传感器。
  15. 如权利要求1至13任一项所述的柔性屏，其特征在于，所述检测信号发射器包括第一限制层、第二限制层和有源层，所述有源层设置于所述第一限制层和所述第二限制层之间，并与所述检测信号传导层连接，所述有源层用于在所述第一限制层和所述第二限制层的驱动下发射检测信号，并通过所述检测信号传导层将所述检测信号传导至所述第一检测信号接收器。
  16. 如权利要求15所述的柔性屏，其特征在于，所述弯曲检测传感层包括呈连续分布的材料层，所述材料层位于第一限制层与第二限制层之间的部分形成有源层，所述材料层位于第一限制层与第二限制层之外的部分形成检测信号传导层。
  17. 如权利要求15所述的柔性屏，其特征在于，所述第一检测信号接收器包括P型半导体和N型半导体，所述P型半导体和N型半导体的接触面垂直于所述检测信号传导层。
  18. 如权利要求1至13任一项所述的柔性屏，其特征在于，所述检测信号发射器为超声波发射单元，所述第一检测信号接收器为超声波接收单元。
  19. 如权利要求18所述的柔性屏，其特征在于，所述检测信号发射器包括第一压电薄膜和第二压电薄膜，所述第一压电薄膜和所述第二压电薄膜分别设置于所述检测信号传导层的相对两侧，用于在预设电压的驱动下生成检测信号，并通过所述检测信号传导层将所述检测信号传导至所述第一检测信号接收器。
  20. 如权利要求19所述的柔性屏，其特征在于，所述第一检测信号接收 器包括第三压电薄膜和第四压电薄膜，所述第三压电薄膜和所述第四压电薄膜分别设置于所述检测信号传导层的相对两侧。
  21. 如权利要求1至13任一项所述的柔性屏，其特征在于，所述检测信号传导层为波导层，所述检测信号传导层的折射率大于临近的其他层的折射率。
  22. 一种柔性屏的弯曲状态检测方法，其特征在于，柔性屏的内部设置有弯曲检测传感器层，所述弯曲检测传感器层包括至少一个弯曲检测传感器模组，所述弯曲检测传感器模组包括依次连接的检测信号发射器、检测信号传导层和第一检测信号接收器，所述检测方法包括：
    通过所述检测信号发射器发射检测信号，并通过所述检测信号传导层将所述检测信号传导至所述第一检测信号接收器接收，以激发所述第一检测信号接收器产生第一电流信号；
    根据所述第一电流信号的大小确定所述柔性屏的弯曲状态。
  23. 如权利要求22所述的检测方法，其特征在于，所述柔性屏还包括沿所述检测信号传导层间隔设置多个第二检测信号接收器，所述检测方法还包括：
    通过所述多个第二检测信号接收器接收从所述检测信号传导层折射出的部分检测信号，并产生多个第二电流信号；
    根据所述多个第二电流信号的大小确定所述柔性屏在多个第二检测信号接收器所在位置的弯曲状态。
  24. 一种柔性屏的电容补偿方法，其特征在于，包括：
    通过柔性屏的内部的弯曲检测传感器层检测所述柔性屏的弯曲状态；
    根据所述柔性屏的弯曲状态，对所述柔性屏在弯曲位置处的电容进行补偿。
  25. 如权利要求24所述的方法，其特征在于，所述根据所述柔性屏的弯曲状态，对所述柔性屏在弯曲位置处的电容进行补偿，包括：
    确定柔性屏的弯曲位置及在弯曲位置的弯曲程度；
    根据所述弯曲程度调节弯曲位置处的驱动电压或电流，将电容补偿至与非弯曲位置的电容均等。
  26. 如权利要求25所述的方法，其特征在于，通过柔性屏的内部的弯曲检测传感器层检测所述柔性屏的弯曲状态，包括：
    所述弯曲检测传感器层包括至少一个弯曲检测传感器模组，所述弯曲检测传感器模组包括依次连接的检测信号发射器、检测信号传导层和第一检测信号接收器，所述检测信号发射器发射检测信号，并通过所述检测信号传导层将所述检测信号传导至所述第一检测信号接收器接收，以激发所述第一检测信号接收器产生第一电流信号，并根据所述第一电流信号的大小确定所述柔性屏的弯曲状态。
  27. 如权利要求26所述的方法，其特征在于，确定柔性屏的弯曲位置及在弯曲位置的弯曲程度，包括：
    通过沿所述检测信号传导层间隔设置多个第二检测信号接收器接收从所述检测信号传导层折射出的部分检测信号，并产生多个第二电流信号；
    根据所述多个第二电流信号的位置及大小，确定柔性屏的弯曲位置及弯曲程度。
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