WO2016183946A1 - Display panel, electronic device and touch control sensing method applied to electronic device - Google Patents

Display panel, electronic device and touch control sensing method applied to electronic device Download PDF

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Publication number
WO2016183946A1
WO2016183946A1 PCT/CN2015/086395 CN2015086395W WO2016183946A1 WO 2016183946 A1 WO2016183946 A1 WO 2016183946A1 CN 2015086395 W CN2015086395 W CN 2015086395W WO 2016183946 A1 WO2016183946 A1 WO 2016183946A1
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Prior art keywords
pressure sensing
unit
touch
display panel
glass substrate
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PCT/CN2015/086395
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French (fr)
Chinese (zh)
Inventor
闫伟
卢松强
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中兴通讯股份有限公司
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Publication of WO2016183946A1 publication Critical patent/WO2016183946A1/en

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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0447Position sensing using the local deformation of sensor cells
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0445Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048Interaction techniques based on graphical user interfaces [GUI]

Definitions

  • the present invention relates to the field of mobile device technologies, and in particular, to a display panel, an electronic device, and a touch sensing method applied to the electronic device.
  • the screens of electronic devices such as smart phones are getting bigger and bigger.
  • the screen of the mobile phone is easily squeezed, and the light is only the top protection glass damage does not affect the touch. Function, but in severe cases, the touch screen and display screen are crushed, and these are unknowingly damaging the screen of the mobile phone, while the screen of the brand mobile phone, especially the high-end mobile phone, is hundreds of people, which makes people regret it. .
  • the technical problem to be solved by the embodiments of the present invention is to provide a display panel, an electronic device, and a touch sensing method applied to the electronic device, which can issue an alarm message in advance when the display panel is subjected to excessive pressure, and notify the user that the display panel is The danger of being crushed, thus avoiding damage to electronic equipment.
  • the embodiment of the present invention adopts the following technical solutions:
  • a display panel includes: a glass substrate disposed oppositely from top to bottom, a touch unit, and a display unit, wherein the display panel further includes a display panel configured to monitor the display panel a pressure sensing unit that receives a pressure sensing signal in a direction perpendicular to the direction of the glass substrate, and the pressure sensing unit is parallel to the glass substrate and disposed between the glass substrate and the display unit. Or disposed below the display unit.
  • the pressure sensing unit comprises at least one first plate and at least one second plate, the first plate and the second plate are parallel and oppositely disposed, and the first plate and the first plate There is a predetermined separation distance between the second plates.
  • the plurality of the first plates are arranged in an array form.
  • the pressure sensing unit further includes a fixing film, the fixing film includes a first film structure and a second film structure that are parallel to each other, and the first plate is disposed on the first film structure.
  • the second plate is disposed on the second film structure.
  • the first plate, the second plate and the fixed film between the glass substrate and the display unit are transparent.
  • the first film structure and the second film structure are silicon-based films having a uniform thickness.
  • edges of the first film structure and the second film structure are provided with a frame for supporting each other.
  • the pressure sensing unit is fixedly connected between the glass substrate and the display unit in a bonding manner, or is fixedly connected under the display unit in a bonding manner.
  • an electronic device includes the display panel described above, and the electronic device further includes: a voltage sensing unit, a touch unit, and a display unit of the display panel
  • the connected control circuit is configured to receive the pressure sensing signal of the pressure sensing unit, determine whether the pressure sensing signal exceeds a predetermined threshold, and issue an early warning response when it is determined that the pressure sensing signal exceeds a predetermined threshold.
  • a touch sensing method for the electronic device includes: the touch unit is configured to be disposed on a glass substrate.
  • the touch operation generates a touch sensing signal according to the position of the touch operation; the pressure sensing unit simultaneously monitors a touch operation set on the glass substrate, and generates a pressure sensing signal according to the touch operation;
  • the control circuit determines whether the pressure of the touch operation is greater than a preset threshold according to the pressure sensing signal; when it is determined that the pressure sensing signal exceeds a predetermined threshold, the control circuit issues an early warning response; when determining that the pressure sensing signal is not When the predetermined threshold is exceeded, the control circuit calculates a touch position of the touch operation according to the touch sensing signal, and determines an operation command of the touch operation according to the touch position.
  • the touch sensing method further includes: the control circuit controls the display unit to display the warning information, and interrupts the operation of the touch unit, when the pressure sensing signal exceeds a predetermined threshold.
  • a pressure sensing unit is disposed between the glass substrate and the touch unit, or between the touch unit and the display unit, or below the display unit. Therefore, when the glass substrate is subjected to excessive pressure from the outside, the pressure sensing unit obtains a pressure perpendicular to the direction of the glass substrate through the transfer of the glass substrate, and generates a pressure sensing signal. When the pressure sensing signal is greater than a predetermined threshold, the control circuit of the electronic device may issue an early warning response to notify the user in advance that the display panel is currently in danger of being crushed.
  • FIG. 1 is a schematic structural view of a display panel according to an embodiment of the present invention.
  • FIG. 2 is a schematic diagram showing the principle of applying a display panel to an electronic device according to an embodiment of the present invention
  • FIG. 3 is a schematic flow chart of a touch sensing method applied to an electronic device according to an embodiment of the invention.
  • B1 first plate; B2, second plate; B3, analog-to-digital conversion circuit; B4, central processor; B5, audio unit; B6, glass substrate; B7, touch unit; B8, display Unit; B9, signal output circuit.
  • a display panel includes: a glass substrate B6 disposed oppositely from top to bottom, a touch unit B7, and a display unit B8, wherein The panel further includes a pressure sensing unit configured to monitor the pressure of the display panel in a direction perpendicular to the glass substrate B6 to obtain a pressure sensing signal, and the pressure sensing unit is parallel to the glass substrate B6 and disposed on the glass substrate B6 and the display unit B8. Or, it is disposed below the display unit B8.
  • the display panel of the embodiment of the invention is between the glass substrate B6 and the touch unit B7, or touch A pressure sensing unit is disposed between the unit B7 and the display unit B8 or below the display unit B8.
  • touch A pressure sensing unit is disposed between the unit B7 and the display unit B8 or below the display unit B8.
  • the glass substrate B6 is subjected to a pressure from the outside, the glass substrate B6 is transmitted to the pressure sensing unit, and the pressure sensing unit acquires the pressure in the direction perpendicular to the glass substrate B6 and generates a pressure sensing signal.
  • the pressure sensing signal exceeds a predetermined threshold, an early warning response can be issued by the control circuit of the electronic device to prevent the display panel from being damaged due to excessive pressure.
  • the pressure sensing unit includes at least one first plate B1 and at least one second plate B2.
  • the first plate B1 is parallel and opposite to the second plate B2. It is disposed, and the first plate B1 and the second plate B2 have a predetermined separation distance.
  • the pressure sensing unit further includes a fixing film including a first film structure and a second film structure that are parallel to each other, and the first plate B1 is disposed on the first film structure.
  • the second plate B2 is disposed on the second film structure.
  • the thickness of the display panel is limited, the space for arranging the pressure sensing unit between the glass substrate B6, the touch unit B7, and the display unit B8 is limited, so the thickness of the pressure sensing unit also has certain limitations. From this, it is understood that the above limitations can be overcome by providing the first plate B1 and the second plate B2 of the pressure sensing unit on the fixed film.
  • first plate B1, the second plate B2, and the fixed film may be disposed between the glass substrate B6 and the touch unit B7, or between the touch unit B7 and the display unit B8, that is, above the display unit B8. Therefore, in order not to affect the normal display function of the display panel, it is necessary to set the first plate B1, the second plate B2, and the fixed film between the glass substrate B6 and the display unit B8 to be transparent.
  • the first film structure and the second film structure are both silicon-based films of uniform thickness.
  • a uniform and flat silicon-based film having a thickness of 10 ⁇ m can be obtained by a silicon-glass bonding process in combination with a concentrated potassium hydroxide solution ultrasonic etching and chemical mechanical polishing.
  • first film structure and the second film structure are both silicon-based films having a uniform thickness
  • first plate B1 and the second plate B2 are respectively etched on the two silicon-based films parallel to each other.
  • the deformation of the silicon film in the groove is used to induce a change in external pressure, and the deformation of the film is converted into an electrical signal output.
  • the edges of the first film structure and the second film structure are respectively provided with a frame for supporting each other, and the first electrode B1 and the second film structure on the first film structure are ensured.
  • the second electrodes B2 on the body have a predetermined separation distance therebetween.
  • the pressure sensing unit is fixedly connected between the glass substrate B6 and the display unit B8 in a bonding manner, or is fixedly connected under the display unit B8 in a bonding manner.
  • the display panel of the embodiment of the present invention is not limited to the fixed connection manner of the pressure sensing unit.
  • the fixing manner between the glass substrate B6, the touch unit B7 and the display unit B8 is usually also fixedly connected by a bonding method, and generally includes a full bonding and a frame bonding.
  • the so-called frame sticker is also called a word-fitting adhesive, that is, the touch unit B7 and the four sides of the display unit B8 are simply fixed by double-sided tape.
  • the full bonding means that the glass substrate B6 and the touch unit B7 are completely adhered together in a seamless manner by using water glue or optical glue.
  • the number of the pressure sensing units and the distribution form between the glass substrate B6 and the display unit B8 or the display unit B8 need to be determined according to actual debugging results, for example, in an array form.
  • an electronic device includes the above display panel, and the electronic device further includes: a control that is electrically connected to the pressure sensing unit of the display panel, the touch unit B7, and the display unit B8.
  • the circuit is configured to receive the pressure sensing signal of the pressure sensing unit, determine whether the pressure sensing signal exceeds a predetermined threshold, and issue an early warning response when determining that the pressure sensing signal exceeds a predetermined threshold.
  • control circuit includes: a signal output circuit B9, an analog-to-digital conversion circuit B3, a central processing unit B4, and an audio unit B5, wherein the touch unit B7 and the display unit B8 are electrically connected to the central processing unit B4, and the pressure sensing unit and the signal
  • the output circuit B9 is electrically connected
  • the signal output circuit B9 is electrically connected to the analog-to-digital conversion circuit B3, and the analog-to-digital conversion circuit B3 and the audio unit B5 are electrically connected to the central processing unit B4. connection.
  • the signal output circuit B9 sends the pressure sensing signal of the pressure sensing unit to the analog-to-digital conversion circuit B3, and the analog-to-digital conversion circuit B3 converts the pressure sensing signal into a digital pressure signal, and sends the digital pressure signal to the central processing unit B4.
  • the processor B4 determines whether the digital pressure signal exceeds a predetermined threshold. When the digital pressure signal exceeds a predetermined threshold, the central processing unit B4 controls the audio unit B5 to issue an early warning response, and the control display unit B8 displays the warning information.
  • the force is transmitted on the first film structure, causing the first plate.
  • Deformation occurs at B1, causing a change in the capacitance of the pressure sensing unit, and is converted into a variation parameter of the distance between the first plate B1 and the second plate B2, and when the predetermined threshold is reached, the signal output circuit B9 and the modulus are passed.
  • the conversion circuit B3 transmits the signal to the central processing unit B4 of the electronic device, and issues a command to the display unit B8 via the central processing unit B4, so that the display unit B8 displays the warning information that the screen is squeezed, and simultaneously issues a command to the audio unit B5.
  • this kind of early warning mechanism runs when the mobile phone is not turned off, and will not be affected by the bright screen of the mobile phone or the screen being turned off.
  • the control circuit of the electronic device is set to a circuit that is still operating when the device is turned off, the effect of early warning can still be achieved when the glass substrate B6 is subjected to excessive pressure in the off state.
  • a touch sensing method applied to the electronic device is provided. As shown in FIG. 3, the touch sensing method includes:
  • Step S31 the touch unit B7 monitors the touch operation on the glass substrate B6, and generates a touch sensing signal according to the position of the touch operation;
  • Step S33 the pressure sensing unit also monitors the touch operation set on the glass substrate B6, and generates a pressure sensing signal according to the touch operation;
  • Step S35 The control circuit determines, according to the pressure sensing signal, whether the pressure of the touch operation is greater than a preset threshold
  • Step S37 When it is determined that the pressure sensing signal exceeds a predetermined threshold, the control circuit issues an early warning response;
  • Step S39 When it is determined that the pressure sensing signal does not exceed the predetermined threshold, the control circuit calculates the touch position of the touch operation according to the touch sensing signal, and determines an operation command of the touch operation according to the touch position.
  • control circuit determines that the pressure sensing signal exceeds a predetermined threshold
  • the control circuit can also be controlled
  • the display unit B8 displays the warning information.
  • the operation of the touch unit B7 at this time can be interrupted by the control circuit.
  • the touch sensing method applied to the electronic device can generate an early warning response when the force of the touch operation exceeds a predetermined threshold, and prompt the user to terminate the touch operation on the electronic device in time to protect the electronic device.
  • the equipment is protected from damage.
  • the pressure sensing unit when the glass substrate is subjected to excessive pressure from the outside, the pressure sensing unit obtains a pressure perpendicular to the direction of the glass substrate by the transfer of the glass substrate, and generates a pressure sensing signal.
  • the control circuit of the electronic device may issue an early warning response to notify the user in advance that the display panel is currently in danger of being crushed.

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Abstract

A display panel, electronic device and touch control sensing method applied to the electronic device. The display panel comprises from top to bottom: a glass substrate (B6), a touch control unit (B7) and a display unit (B8) disposed oppositely, and further comprises a pressure sensing unit disposed so as to monitor pressure applied to the display panel in a direction perpendicular to the glass substrate (B6) and obtain a pressure sensing signal, wherein the pressure sensing unit is parallel to the glass substrate (B6), and the pressure sensing unit is disposed between the glass substrate (B6) and the display unit (B8), or is disposed below the display unit (B8).

Description

显示面板、电子设备及应用于电子设备的触控感应方法Display panel, electronic device and touch sensing method applied to electronic device 技术领域Technical field
本发明涉及移动设备技术领域,尤其涉及一种显示面板、电子设备及应用于电子设备的触控感应方法。The present invention relates to the field of mobile device technologies, and in particular, to a display panel, an electronic device, and a touch sensing method applied to the electronic device.
背景技术Background technique
目前市场上智能手机等电子设备的屏幕越来越大,当手机装进口袋中、放在桌子或沙发上,手机屏幕很容易被挤压到,轻者只是最上面保护玻璃损害并不影响触摸功能,但严重的时候会导致触摸屏幕、显示屏幕都被压碎,而这些都是在不知不觉中损坏了手机屏幕,而品牌手机,特别高端手机的屏幕动辄几百,让人后悔莫及。At present, the screens of electronic devices such as smart phones are getting bigger and bigger. When the mobile phone is loaded into the pocket and placed on a table or a sofa, the screen of the mobile phone is easily squeezed, and the light is only the top protection glass damage does not affect the touch. Function, but in severe cases, the touch screen and display screen are crushed, and these are unknowingly damaging the screen of the mobile phone, while the screen of the brand mobile phone, especially the high-end mobile phone, is hundreds of people, which makes people regret it. .
发明内容Summary of the invention
本发明实施例要解决的技术问题是提供一种显示面板、电子设备及应用于电子设备的触控感应方法,能够在显示面板受到过大的压力时,提前发出报警信息,告知用户显示面板处于被压碎的危险,从而避免了电子设备遭受损坏。The technical problem to be solved by the embodiments of the present invention is to provide a display panel, an electronic device, and a touch sensing method applied to the electronic device, which can issue an alarm message in advance when the display panel is subjected to excessive pressure, and notify the user that the display panel is The danger of being crushed, thus avoiding damage to electronic equipment.
为了解决上述技术问题,本发明实施例采用如下技术方案:In order to solve the above technical problem, the embodiment of the present invention adopts the following technical solutions:
依据本发明实施例的一个方面,提供了一种显示面板,包括:由上至下相对设置的玻璃基板、触控单元以及显示单元,其中,所述显示面板还包括设置为监测所述显示面板受到的垂直于所述玻璃基板方向上的压力,获得压力感应信号的压力感应单元,且所述压力感应单元平行于所述玻璃基板,并设置于所述玻璃基板与所述显示单元之间,或者设置于所述显示单元的下方。According to an aspect of the embodiments of the present invention, a display panel includes: a glass substrate disposed oppositely from top to bottom, a touch unit, and a display unit, wherein the display panel further includes a display panel configured to monitor the display panel a pressure sensing unit that receives a pressure sensing signal in a direction perpendicular to the direction of the glass substrate, and the pressure sensing unit is parallel to the glass substrate and disposed between the glass substrate and the display unit. Or disposed below the display unit.
其中,所述压力感应单元包括至少一第一极板和至少一第二极板,所述第一极板与所述第二极板平行且相对设置,且所述第一极板与所述第二极板之间具有预定间隔距离。 Wherein the pressure sensing unit comprises at least one first plate and at least one second plate, the first plate and the second plate are parallel and oppositely disposed, and the first plate and the first plate There is a predetermined separation distance between the second plates.
其中,多个所述第一极板呈阵列形式布置。Wherein the plurality of the first plates are arranged in an array form.
其中,所述压力感应单元还包括固定薄膜,所述固定薄膜包括相互平行的第一薄膜结构体和第二薄膜结构体,且所述第一极板设置于所述第一薄膜结构体上,所述第二极板设置于所述第二薄膜结构体上。The pressure sensing unit further includes a fixing film, the fixing film includes a first film structure and a second film structure that are parallel to each other, and the first plate is disposed on the first film structure. The second plate is disposed on the second film structure.
其中,位于所述玻璃基板与所述显示单元之间的第一极板、所述第二极板和所述固定薄膜均呈透明状。The first plate, the second plate and the fixed film between the glass substrate and the display unit are transparent.
其中,所述第一薄膜结构体和所述第二薄膜结构体均为厚度均匀的硅基薄膜。Wherein, the first film structure and the second film structure are silicon-based films having a uniform thickness.
其中,所述第一薄膜结构体与所述第二薄膜结构体的边缘均设有用于相互支撑的边框。Wherein, the edges of the first film structure and the second film structure are provided with a frame for supporting each other.
其中,所述压力感应单元以贴合方式固定连接在所述玻璃基板与所述显示单元之间,或者以贴合方式固定连接在所述显示单元的下方。The pressure sensing unit is fixedly connected between the glass substrate and the display unit in a bonding manner, or is fixedly connected under the display unit in a bonding manner.
依据本发明实施例的另一个方面,提供了一种电子设备,包括上述所述的显示面板,且所述电子设备还包括:与所述显示面板的压力感应单元、触控单元及显示单元电连接的控制电路,设置为接收所述压力感应单元的压力感应信号,判断所述压力感应信号是否超过预定阈值,并当判断所述压力感应信号超过预定阈值时,发出预警响应。According to another aspect of the embodiments of the present invention, an electronic device includes the display panel described above, and the electronic device further includes: a voltage sensing unit, a touch unit, and a display unit of the display panel The connected control circuit is configured to receive the pressure sensing signal of the pressure sensing unit, determine whether the pressure sensing signal exceeds a predetermined threshold, and issue an early warning response when it is determined that the pressure sensing signal exceeds a predetermined threshold.
依据本发明实施例的另一个方面,还提供了一种应用于上述所述的电子设备的触控感应方法,所述触控感应方法包括:所述触控单元监测作设置为玻璃基板上的触控操作,根据所述触控操作的位置生成触控感应信号;所述压力感应单元也同时监测作设置为玻璃基板上的触控操作,根据所述触控操作生成压力感应信号;所述控制电路根据所述压力感应信号判断所述触控操作的压力是否大于预设阈值;当判断所述压力感应信号超过预定阈值时,所述控制电路发出预警响应;当判断所述压力感应信号不超过预定阈值时,所述控制电路根据所述触控感应信号计算所述触控操作的触控位置,并根据所述触控位置判断所述触控操作的操作命令。According to another aspect of the present invention, a touch sensing method for the electronic device is provided. The touch sensing method includes: the touch unit is configured to be disposed on a glass substrate. The touch operation generates a touch sensing signal according to the position of the touch operation; the pressure sensing unit simultaneously monitors a touch operation set on the glass substrate, and generates a pressure sensing signal according to the touch operation; The control circuit determines whether the pressure of the touch operation is greater than a preset threshold according to the pressure sensing signal; when it is determined that the pressure sensing signal exceeds a predetermined threshold, the control circuit issues an early warning response; when determining that the pressure sensing signal is not When the predetermined threshold is exceeded, the control circuit calculates a touch position of the touch operation according to the touch sensing signal, and determines an operation command of the touch operation according to the touch position.
其中,当判断所述压力感应信号超过预定阈值时,所述触控感应方法还包括:所述控制电路控制所述显示单元显示预警信息,并中断所述触控单元的工作。 The touch sensing method further includes: the control circuit controls the display unit to display the warning information, and interrupts the operation of the touch unit, when the pressure sensing signal exceeds a predetermined threshold.
本发明实施例的有益效果是:The beneficial effects of the embodiments of the present invention are:
本发明实施例的显示面板,在玻璃基板与触控单元之间,或触控单元与显示单元之间,或显示单元的下方设置压力感应单元。因此,当玻璃基板受到外界过大的压力时,通过玻璃基板的传递,使得该压力感应单元获取垂直于玻璃基板方向的压力,并产生压力感应信号。当该压力感应信号大于预定阈值时,电子设备的控制电路则可发出预警响应,提前通知用户显示面板当前处于被压碎的危险。In the display panel of the embodiment of the invention, a pressure sensing unit is disposed between the glass substrate and the touch unit, or between the touch unit and the display unit, or below the display unit. Therefore, when the glass substrate is subjected to excessive pressure from the outside, the pressure sensing unit obtains a pressure perpendicular to the direction of the glass substrate through the transfer of the glass substrate, and generates a pressure sensing signal. When the pressure sensing signal is greater than a predetermined threshold, the control circuit of the electronic device may issue an early warning response to notify the user in advance that the display panel is currently in danger of being crushed.
附图说明DRAWINGS
图1表示本发明实施例的显示面板的结构示意图;1 is a schematic structural view of a display panel according to an embodiment of the present invention;
图2表示本发明实施例的显示面板应用在电子设备上的原理示意图;2 is a schematic diagram showing the principle of applying a display panel to an electronic device according to an embodiment of the present invention;
图3表示本发明实施例的应用于电子设备的触控感应方法流程示意图。FIG. 3 is a schematic flow chart of a touch sensing method applied to an electronic device according to an embodiment of the invention.
其中图中:B1、第一极板;B2、第二极板;B3、模数转换电路;B4、中央处理器;B5、音频单元;B6、玻璃基板;B7、触控单元;B8、显示单元;B9、信号输出电路。In the figure: B1, first plate; B2, second plate; B3, analog-to-digital conversion circuit; B4, central processor; B5, audio unit; B6, glass substrate; B7, touch unit; B8, display Unit; B9, signal output circuit.
具体实施方式detailed description
下面将参照附图更详细地描述本公开的示例性实施例。虽然附图中显示了本公开的示例性实施例,然而应当理解,可以以各种形式实现本公开而不应被这里阐述的实施例所限制。相反,提供这些实施例是为了能够更透彻地理解本公开,并且能够将本公开的范围完整的传达给本领域的技术人员。Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While the embodiments of the present invention have been shown in the drawings, the embodiments Rather, these embodiments are provided so that this disclosure will be more fully understood and the scope of the disclosure will be fully disclosed.
实施例一Embodiment 1
依据本发明实施例的一个方面,提供了一种显示面板,如图1所示,该显示面板包括:由上至下相对设置的玻璃基板B6、触控单元B7以及显示单元B8,其中,显示面板还包括设置为监测显示面板受到的垂直于玻璃基板B6方向上的压力,获得压力感应信号的压力感应单元,且压力感应单元平行于玻璃基板B6,并设置于玻璃基板B6与显示单元B8之间,或者设置于显示单元B8的下方。According to an aspect of the present invention, a display panel is provided. As shown in FIG. 1 , the display panel includes: a glass substrate B6 disposed oppositely from top to bottom, a touch unit B7, and a display unit B8, wherein The panel further includes a pressure sensing unit configured to monitor the pressure of the display panel in a direction perpendicular to the glass substrate B6 to obtain a pressure sensing signal, and the pressure sensing unit is parallel to the glass substrate B6 and disposed on the glass substrate B6 and the display unit B8. Or, it is disposed below the display unit B8.
本发明实施例的显示面板,在玻璃基板B6与触控单元B7之间,或触控 单元B7与显示单元B8之间,或显示单元B8下方设置压力感应单元。当玻璃基板B6受到外界一压力时,通过该玻璃基板B6传递给压力感应单元,压力感应单元获取垂直于玻璃基板B6方向上的压力,并产生一压力感应信号。该压力感应信号超过预定阈值时,可通过电子设备的控制电路发出预警响应,避免显示面板因受到过大压力而损坏。The display panel of the embodiment of the invention is between the glass substrate B6 and the touch unit B7, or touch A pressure sensing unit is disposed between the unit B7 and the display unit B8 or below the display unit B8. When the glass substrate B6 is subjected to a pressure from the outside, the glass substrate B6 is transmitted to the pressure sensing unit, and the pressure sensing unit acquires the pressure in the direction perpendicular to the glass substrate B6 and generates a pressure sensing signal. When the pressure sensing signal exceeds a predetermined threshold, an early warning response can be issued by the control circuit of the electronic device to prevent the display panel from being damaged due to excessive pressure.
在本发明的另一实施例中,如图1所示,压力感应单元包括至少一第一极板B1和至少一第二极板B2,第一极板B1与第二极板B2平行且相对设置,且第一极板B1与第二极板B2之间具有预定间隔距离。In another embodiment of the present invention, as shown in FIG. 1, the pressure sensing unit includes at least one first plate B1 and at least one second plate B2. The first plate B1 is parallel and opposite to the second plate B2. It is disposed, and the first plate B1 and the second plate B2 have a predetermined separation distance.
由此可知,本发明实施例的显示面板中,压力感应单元可采用电容式压力传感器。因为电容式压力传感器可以通过间隙的改变来获得可变电容,根据电容相关公式C=εS/d。其中,ε为极板间介质的介电常数,S为极板面积,d为极板间的距离。所以对变化的电容进行测定可获得相应极板间距离的变化参数,从而可进一步确定促使电容式压力传感器产生极板间距离变化的压力的大小。Therefore, in the display panel of the embodiment of the invention, the pressure sensing unit can adopt a capacitive pressure sensor. Because the capacitive pressure sensor can obtain the variable capacitance through the change of the gap, according to the capacitance correlation formula C=εS/d. Where ε is the dielectric constant of the interplate dielectric, S is the plate area, and d is the distance between the plates. Therefore, by measuring the varying capacitance, the variation parameter of the distance between the corresponding plates can be obtained, so that the pressure that causes the capacitance pressure sensor to change the distance between the plates can be further determined.
在本发明的另一实施例中,压力感应单元还包括固定薄膜,固定薄膜包括相互平行的第一薄膜结构体和第二薄膜结构体,且第一极板B1设置于第一薄膜结构体上,第二极板B2设置于第二薄膜结构体上。In another embodiment of the present invention, the pressure sensing unit further includes a fixing film including a first film structure and a second film structure that are parallel to each other, and the first plate B1 is disposed on the first film structure. The second plate B2 is disposed on the second film structure.
由于显示面板的厚度有限,因而玻璃基板B6、触控单元B7及显示单元B8之间布置压力感应单元的空间有限,所以压力感应单元的厚度也具有一定的局限性。由此可知,可通过在固定薄膜上设置压力感应单元的第一极板B1和第二极板B2来克服上述局限性。Since the thickness of the display panel is limited, the space for arranging the pressure sensing unit between the glass substrate B6, the touch unit B7, and the display unit B8 is limited, so the thickness of the pressure sensing unit also has certain limitations. From this, it is understood that the above limitations can be overcome by providing the first plate B1 and the second plate B2 of the pressure sensing unit on the fixed film.
此外,因为第一极板B1、第二极板B2及固定薄膜可布置玻璃基板B6、触控单元B7之间,或触控单元B7与显示单元B8之间,即位于显示单元B8的上方,因此,为了不影响显示面板的正常显示功能,需要将位于玻璃基板B6与显示单元B8之间的第一极板B1、第二极板B2和固定薄膜均呈设置为透明状。In addition, the first plate B1, the second plate B2, and the fixed film may be disposed between the glass substrate B6 and the touch unit B7, or between the touch unit B7 and the display unit B8, that is, above the display unit B8. Therefore, in order not to affect the normal display function of the display panel, it is necessary to set the first plate B1, the second plate B2, and the fixed film between the glass substrate B6 and the display unit B8 to be transparent.
在本发明的另一实施例中,第一薄膜结构体和第二薄膜结构体均为厚度均匀的硅基薄膜。具体地,可利用硅-玻璃键合工艺,结合浓氢氧化钾溶液超声腐蚀与化学机械抛光的方法,得到厚度为10μm的均匀、平整的硅基薄膜。 In another embodiment of the invention, the first film structure and the second film structure are both silicon-based films of uniform thickness. Specifically, a uniform and flat silicon-based film having a thickness of 10 μm can be obtained by a silicon-glass bonding process in combination with a concentrated potassium hydroxide solution ultrasonic etching and chemical mechanical polishing.
此外,当第一薄膜结构体和第二薄膜结构体均为厚度均匀的硅基薄膜时,将第一极板B1和第二极板B2分别刻蚀在相互平行的两个硅基薄膜上,利用硅薄膜在凹槽中的形变来感应外界压力的变化,并把薄膜的形变转换成电信号输出。In addition, when the first film structure and the second film structure are both silicon-based films having a uniform thickness, the first plate B1 and the second plate B2 are respectively etched on the two silicon-based films parallel to each other. The deformation of the silicon film in the groove is used to induce a change in external pressure, and the deformation of the film is converted into an electrical signal output.
在本发明的另一实施例中,第一薄膜结构体与第二薄膜结构体的边缘均设有用于相互支撑的边框,保证了第一薄膜结构体上的第一电极B1与第二薄膜结构体上的第二电极B2之间具有预定的间隔距离。In another embodiment of the present invention, the edges of the first film structure and the second film structure are respectively provided with a frame for supporting each other, and the first electrode B1 and the second film structure on the first film structure are ensured. The second electrodes B2 on the body have a predetermined separation distance therebetween.
在本发明的另一实施例中,压力感应单元以贴合方式固定连接在玻璃基板B6与显示单元B8之间,或者以贴合方式固定连接在显示单元B8的下方。当然,可以理解的是,本发明实施例的显示面板,对于压力感应单元的固定连接方式并不限于此。In another embodiment of the present invention, the pressure sensing unit is fixedly connected between the glass substrate B6 and the display unit B8 in a bonding manner, or is fixedly connected under the display unit B8 in a bonding manner. Of course, it can be understood that the display panel of the embodiment of the present invention is not limited to the fixed connection manner of the pressure sensing unit.
此外,玻璃基板B6、触控单元B7及显示单元B8之间的固定方式,通常也采用贴合方式固定连接,且一般包括全贴合和框贴两种贴合方式。所谓框贴又称为口字胶贴合,即简单的以双面胶将触控单元B7与显示单元B8的四边固定。全贴合即是以水胶或光学胶将玻璃基板B6与触控单元B7以无缝隙的方式完全黏贴在一起。In addition, the fixing manner between the glass substrate B6, the touch unit B7 and the display unit B8 is usually also fixedly connected by a bonding method, and generally includes a full bonding and a frame bonding. The so-called frame sticker is also called a word-fitting adhesive, that is, the touch unit B7 and the four sides of the display unit B8 are simply fixed by double-sided tape. The full bonding means that the glass substrate B6 and the touch unit B7 are completely adhered together in a seamless manner by using water glue or optical glue.
其中,对于压力感应单元的数量及在玻璃基板B6与显示单元B8之间,或者显示单元B8的下方的分布形式需要根据实际的调试结果进行确定,例如采用阵列形式布置。Wherein, the number of the pressure sensing units and the distribution form between the glass substrate B6 and the display unit B8 or the display unit B8 need to be determined according to actual debugging results, for example, in an array form.
实施例二Embodiment 2
依据本发明实施例的另一个方面,还提供了一种电子设备,包括上述的显示面板,且电子设备还包括:与显示面板的压力感应单元、触控单元B7及显示单元B8电连接的控制电路,设置为接收压力感应单元的压力感应信号,判断压力感应信号是否超过预定阈值,并当判断压力感应信号超过预定阈值时,发出预警响应。According to another aspect of the embodiments of the present invention, an electronic device includes the above display panel, and the electronic device further includes: a control that is electrically connected to the pressure sensing unit of the display panel, the touch unit B7, and the display unit B8. The circuit is configured to receive the pressure sensing signal of the pressure sensing unit, determine whether the pressure sensing signal exceeds a predetermined threshold, and issue an early warning response when determining that the pressure sensing signal exceeds a predetermined threshold.
此外,控制电路包括:信号输出电路B9、模数转换电路B3、中央处理器B4以及音频单元B5,其中,触控单元B7和显示单元B8均与中央处理器B4电连接,压力感应单元与信号输出电路B9电连接,信号输出电路B9与模数转换电路B3电连接,模数转换电路B3和音频单元B5均与中央处理器B4电 连接。In addition, the control circuit includes: a signal output circuit B9, an analog-to-digital conversion circuit B3, a central processing unit B4, and an audio unit B5, wherein the touch unit B7 and the display unit B8 are electrically connected to the central processing unit B4, and the pressure sensing unit and the signal The output circuit B9 is electrically connected, the signal output circuit B9 is electrically connected to the analog-to-digital conversion circuit B3, and the analog-to-digital conversion circuit B3 and the audio unit B5 are electrically connected to the central processing unit B4. connection.
其中,信号输出电路B9将压力感应单元的压力感应信号发送给模数转换电路B3,模数转换电路B3将压力感应信号转化为数字压力信号,并将数字压力信号发送给中央处理器B4,中央处理器B4判断数字压力信号是否超过预定阈值,当数字压力信号超过预定阈值时,中央处理器B4控制音频单元B5发出预警响应,控制显示单元B8显示预警信息。The signal output circuit B9 sends the pressure sensing signal of the pressure sensing unit to the analog-to-digital conversion circuit B3, and the analog-to-digital conversion circuit B3 converts the pressure sensing signal into a digital pressure signal, and sends the digital pressure signal to the central processing unit B4. The processor B4 determines whether the digital pressure signal exceeds a predetermined threshold. When the digital pressure signal exceeds a predetermined threshold, the central processing unit B4 controls the audio unit B5 to issue an early warning response, and the control display unit B8 displays the warning information.
可选地,如图2所示,当用户在使用电子设备时,意外施加了比较大的力F作用在玻璃基板B6上时,这个力传导在第一薄膜结构体上,引起第一极板B1处发生形变,从而引起压力感应单元的电容量的变化,并转换为第一极板B1和第二极板B2间距离的变化参数,当达到预定阈值时,通过信号输出电路B9和模数转换电路B3,将此信号传递给电子设备的中央处理器B4,经过中央处理器B4发出命令给显示单元B8,使显示单元B8显示屏幕遭到挤压的预警信息,同时发出命令给音频单元B5,使喇叭发出警报信号。此外,此种预警机制在手机不关机的情况下时运行,不会因为手机亮屏、或者灭屏而受影响。当然,若将电子设备的控制电路设置为关机情况下依然运行的电路,则在关机状态下依然可在玻璃基板B6受到过大压力时起到提前预警的效果。Optionally, as shown in FIG. 2, when the user accidentally applies a relatively large force F to the glass substrate B6 when using the electronic device, the force is transmitted on the first film structure, causing the first plate. Deformation occurs at B1, causing a change in the capacitance of the pressure sensing unit, and is converted into a variation parameter of the distance between the first plate B1 and the second plate B2, and when the predetermined threshold is reached, the signal output circuit B9 and the modulus are passed. The conversion circuit B3 transmits the signal to the central processing unit B4 of the electronic device, and issues a command to the display unit B8 via the central processing unit B4, so that the display unit B8 displays the warning information that the screen is squeezed, and simultaneously issues a command to the audio unit B5. , so that the speaker sends an alarm signal. In addition, this kind of early warning mechanism runs when the mobile phone is not turned off, and will not be affected by the bright screen of the mobile phone or the screen being turned off. Of course, if the control circuit of the electronic device is set to a circuit that is still operating when the device is turned off, the effect of early warning can still be achieved when the glass substrate B6 is subjected to excessive pressure in the off state.
实施例三Embodiment 3
依据板发明实施例的另一个方面,还提供了一种应用于上述电子设备的触控感应方法,如图3所示,触控感应方法包括:According to another aspect of the embodiments of the present invention, a touch sensing method applied to the electronic device is provided. As shown in FIG. 3, the touch sensing method includes:
步骤S31、触控单元B7监测作设置为玻璃基板B6上的触控操作,根据触控操作的位置生成触控感应信号;Step S31, the touch unit B7 monitors the touch operation on the glass substrate B6, and generates a touch sensing signal according to the position of the touch operation;
步骤S33、压力感应单元也同时监测作设置为玻璃基板B6上的触控操作,根据触控操作生成压力感应信号;Step S33, the pressure sensing unit also monitors the touch operation set on the glass substrate B6, and generates a pressure sensing signal according to the touch operation;
步骤S35、控制电路根据压力感应信号判断触控操作的压力是否大于预设阈值;Step S35: The control circuit determines, according to the pressure sensing signal, whether the pressure of the touch operation is greater than a preset threshold;
步骤S37、当判断压力感应信号超过预定阈值时,控制电路发出预警响应;Step S37: When it is determined that the pressure sensing signal exceeds a predetermined threshold, the control circuit issues an early warning response;
步骤S39、当判断压力感应信号不超过预定阈值时,控制电路根据触控感应信号计算触控操作的触控位置,并根据触控位置判断触控操作的操作命令。Step S39: When it is determined that the pressure sensing signal does not exceed the predetermined threshold, the control circuit calculates the touch position of the touch operation according to the touch sensing signal, and determines an operation command of the touch operation according to the touch position.
其中,当控制电路判断压力感应信号超过预定阈值时,还可通控制电路控 制显示单元B8显示预警信息。此外,为了避免产生误操作,可通过控制电路中断此时刻触控单元B7的工作。Wherein, when the control circuit determines that the pressure sensing signal exceeds a predetermined threshold, the control circuit can also be controlled The display unit B8 displays the warning information. In addition, in order to avoid erroneous operation, the operation of the touch unit B7 at this time can be interrupted by the control circuit.
综上,本发明实施例的应用于电子设备的触控感应方法,能够在触控操作的作用力超过预定阈值时产应预警响应,提醒用户及时终止对该电子设备的触控操作,保护电子设备免受损坏。In summary, the touch sensing method applied to the electronic device according to the embodiment of the present invention can generate an early warning response when the force of the touch operation exceeds a predetermined threshold, and prompt the user to terminate the touch operation on the electronic device in time to protect the electronic device. The equipment is protected from damage.
以上的是本发明的优选实施方式,应当指出对于本技术领域的普通人员来说,在不脱离本发明的原理前提下还可以作出若干改进和润饰,这些改进和润饰也在本发明的保护范围内。The above is a preferred embodiment of the present invention, and it should be noted that those skilled in the art can also make several improvements and refinements without departing from the principles of the present invention. These improvements and refinements are also within the scope of the present invention. Inside.
工业实用性Industrial applicability
如上所述,通过上述实施例及优选实施方式,当玻璃基板受到外界过大的压力时,通过玻璃基板的传递,使得该压力感应单元获取垂直于玻璃基板方向的压力,并产生压力感应信号。当该压力感应信号大于预定阈值时,电子设备的控制电路则可发出预警响应,提前通知用户显示面板当前处于被压碎的危险。 As described above, according to the above embodiment and the preferred embodiment, when the glass substrate is subjected to excessive pressure from the outside, the pressure sensing unit obtains a pressure perpendicular to the direction of the glass substrate by the transfer of the glass substrate, and generates a pressure sensing signal. When the pressure sensing signal is greater than a predetermined threshold, the control circuit of the electronic device may issue an early warning response to notify the user in advance that the display panel is currently in danger of being crushed.

Claims (11)

  1. 一种显示面板,包括:由上至下相对设置的玻璃基板、触控单元以及显示单元,其中,所述显示面板还包括设置为监测所述显示面板受到的垂直于所述玻璃基板方向上的压力,获得压力感应信号的压力感应单元,且所述压力感应单元平行于所述玻璃基板,并设置于所述玻璃基板与所述显示单元之间,或者设置于所述显示单元的下方。A display panel includes: a glass substrate disposed oppositely from top to bottom, a touch unit, and a display unit, wherein the display panel further includes a device configured to monitor the direction of the display panel to be perpendicular to the glass substrate Pressure, a pressure sensing unit that obtains a pressure sensing signal, and the pressure sensing unit is parallel to the glass substrate and disposed between the glass substrate and the display unit or disposed below the display unit.
  2. 如权利要求1所述的显示面板,其中,所述压力感应单元包括至少一第一极板和至少一第二极板,所述第一极板与所述第二极板平行且相对设置,且所述第一极板与所述第二极板之间具有预定间隔距离。The display panel of claim 1 , wherein the pressure sensing unit comprises at least one first plate and at least one second plate, the first plate being parallel and opposite to the second plate, And the first plate and the second plate have a predetermined separation distance.
  3. 如权利要求2所述的显示面板,其中,多个所述第一极板呈阵列形式布置。The display panel of claim 2, wherein the plurality of the first plates are arranged in an array form.
  4. 如权利要求2所述的显示面板,其中,所述压力感应单元还包括固定薄膜,所述固定薄膜包括相互平行的第一薄膜结构体和第二薄膜结构体,且所述第一极板设置于所述第一薄膜结构体上,所述第二极板设置于所述第二薄膜结构体上。The display panel according to claim 2, wherein the pressure sensing unit further comprises a fixing film, the fixing film comprising a first film structure and a second film structure which are parallel to each other, and the first plate is disposed The second electrode plate is disposed on the second film structure on the first film structure.
  5. 如权利要求4所述的显示面板,其中,位于所述玻璃基板与所述显示单元之间的第一极板、所述第二极板和所述固定薄膜均呈透明状。The display panel according to claim 4, wherein the first plate, the second plate, and the fixing film between the glass substrate and the display unit are both transparent.
  6. 如权利要求4所述的显示面板,其中,所述第一薄膜结构体和所述第二薄膜结构体均为厚度均匀的硅基薄膜。The display panel according to claim 4, wherein the first film structure and the second film structure are each a silicon-based film having a uniform thickness.
  7. 如权利要求4所述的显示面板,其中,所述第一薄膜结构体与所述第二薄膜结构体的边缘均设有用于相互支撑的边框。The display panel according to claim 4, wherein the edges of the first film structure and the second film structure are provided with frames for supporting each other.
  8. 如权利要求1所述的显示面板,其中,所述压力感应单元以贴合方式固定连接在所述玻璃基板与所述显示单元之间,或者以贴合方式固定连接在所述显示单元的下方。The display panel according to claim 1, wherein the pressure sensing unit is fixedly connected between the glass substrate and the display unit in a bonding manner, or is fixedly connected under the display unit in a bonding manner. .
  9. 一种电子设备,包括如权利要求1~8任意一项所述的显示面板,且所述电子设备还包括:与所述显示面板的压力感应单元、触控单元及显示单元电连接的控制电路,设置为接收所述压力感应单元的压力感应信号,判断所述压力感应信号是否超过预定阈值,并当判断所述压力感应信号超过预定阈值时,发 出预警响应。An electronic device comprising the display panel according to any one of claims 1 to 8, wherein the electronic device further comprises: a control circuit electrically connected to the pressure sensing unit, the touch unit and the display unit of the display panel And determining to receive the pressure sensing signal of the pressure sensing unit, determining whether the pressure sensing signal exceeds a predetermined threshold, and when determining that the pressure sensing signal exceeds a predetermined threshold, sending An early warning response.
  10. 一种应用于权利要求9所述的电子设备的触控感应方法,所述触控感应方法包括:A touch sensing method for an electronic device according to claim 9, wherein the touch sensing method comprises:
    所述触控单元监测作用于玻璃基板上的触控操作,根据所述触控操作的位置生成触控感应信号;The touch unit monitors a touch operation on the glass substrate, and generates a touch sensing signal according to the position of the touch operation;
    所述压力感应单元也同时监测作用于玻璃基板上的触控操作,根据所述触控操作生成压力感应信号;The pressure sensing unit simultaneously monitors a touch operation on the glass substrate, and generates a pressure sensing signal according to the touch operation;
    所述控制电路根据所述压力感应信号判断所述触控操作的压力是否大于预设阈值;The control circuit determines, according to the pressure sensing signal, whether the pressure of the touch operation is greater than a preset threshold;
    当判断所述压力感应信号超过预定阈值时,所述控制电路发出预警响应;The control circuit issues an early warning response when it is determined that the pressure sensing signal exceeds a predetermined threshold;
    当判断所述压力感应信号不超过预定阈值时,所述控制电路根据所述触控感应信号计算所述触控操作的触控位置,并根据所述触控位置判断所述触控操作的操作命令。When it is determined that the pressure sensing signal does not exceed a predetermined threshold, the control circuit calculates a touch position of the touch operation according to the touch sensing signal, and determines an operation of the touch operation according to the touch position. command.
  11. 如权利要求10所述的触控感应方法,其中,当判断所述压力感应信号超过预定阈值时,所述触控感应方法还包括:The touch sensing method of claim 10, wherein when the pressure sensing signal exceeds a predetermined threshold, the touch sensing method further comprises:
    所述控制电路控制所述显示单元显示预警信息,并中断所述触控单元的工作。 The control circuit controls the display unit to display the warning information and interrupt the operation of the touch unit.
PCT/CN2015/086395 2015-05-18 2015-08-07 Display panel, electronic device and touch control sensing method applied to electronic device WO2016183946A1 (en)

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