WO2017084076A1 - 屏幕破裂检测方法、装置 - Google Patents

屏幕破裂检测方法、装置 Download PDF

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Publication number
WO2017084076A1
WO2017084076A1 PCT/CN2015/095069 CN2015095069W WO2017084076A1 WO 2017084076 A1 WO2017084076 A1 WO 2017084076A1 CN 2015095069 W CN2015095069 W CN 2015095069W WO 2017084076 A1 WO2017084076 A1 WO 2017084076A1
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WIPO (PCT)
Prior art keywords
communication terminal
display glass
loop circuit
glass
screen
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PCT/CN2015/095069
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English (en)
French (fr)
Inventor
段宝
朱家庆
敖珍
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华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to PCT/CN2015/095069 priority Critical patent/WO2017084076A1/zh
Priority to CN201580050849.2A priority patent/CN107003259A/zh
Publication of WO2017084076A1 publication Critical patent/WO2017084076A1/zh

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means

Definitions

  • Embodiments of the present invention relate to the field of communications, and in particular, to a screen rupture detection method and apparatus.
  • the screen of the mobile phone mainly includes a cover glass, a touch screen, and a display screen.
  • the touch panel and the liquid crystal panel are sometimes integrated, thereby achieving thinning and weight reduction of the panel, such as in-cell, on-cell, OGS (One Glass Solution, single glass solution), and TOL (Touch). On Lens, overlay touch) and other technologies.
  • the display mainly includes two display glasses.
  • For the liquid crystal display between the two display glasses is a liquid crystal solution; for the LED display, between the two display glasses is LED phosphor. Since the display glass is not easily found by the user after the glass is broken, the display glass crack detection is particularly important.
  • PCD display panel crack detection
  • the present application provides a screen rupture detection method and apparatus.
  • the present application provides a method for detecting a glass breakage of a display terminal of a communication terminal.
  • the display glass includes an upper display glass and a lower display glass.
  • the communication terminal controls the loop circuit to close, and detects whether the loop circuit is open. If the loop circuit is broken The road is judged to be broken.
  • the loop circuit is between the upper display glass and the lower display glass, and surrounds the inner surface edge of the lower display glass.
  • the present application provides a display glass rupture detecting device for a communication terminal.
  • the display glass includes an upper display glass and a lower display glass.
  • the display glass breakage detecting device comprises a loop circuit and a CPU.
  • the loop circuit is between the upper display glass and the lower display glass and surrounds the inner surface edge of the lower display glass.
  • the control circuit controls the loop circuit to close based on a trigger of a preset condition.
  • the CPU is configured to detect whether the closed loop circuit is open circuited to determine whether the display glass is broken.
  • the screen rupture detecting method and device provided by the present application can easily and effectively detect the crack of the display glass.
  • the detection of the glass breakage of the display screen is implemented based on the preset condition triggering.
  • the communication terminal is always in the detection state, which greatly saves power consumption and increases the time for the user to operate the communication terminal. The experience is better.
  • the communication terminal detects that the display glass is broken, the communication terminal records the log text. Further, when the screen is broken, the CPU controls the speaker to give an audible prompt.
  • the communication terminal is a terminal device having a display screen such as a mobile phone, a tablet computer, a notebook computer, a super mobile personal computer, a netbook, a personal digital assistant, and the like.
  • the loop circuit described above is a circuit having an impedance.
  • the loop circuit is a layer of indium tin oxide plated on the inner side edge of the screen by sputtering, evaporation, or the like.
  • the log text is information generated by the communication terminal during operation, and is a record that completes some processing on the communication terminal.
  • the communication terminal determines whether the loop circuit is open according to a voltage drop condition of the loop circuit.
  • the triggering condition includes one or more of the following: an instant on the screen; the set timing detection time has expired; when the communication terminal screen is broken on the product line; The sensor in the communication terminal detects that the communication terminal acceleration is greater than a predetermined value; the sensor in the communication terminal detects that the communication terminal is in a motion posture; the sensor in the communication terminal detects that a pressure exceeding a preset value acts on the screen; in the communication terminal The sensor detects that the communication terminal is being held.
  • the communication terminal is triggered to detect whether the loop circuit is broken, thereby realizing timely interception of the bad product on the product line.
  • the senor detects that the acceleration of the communication terminal is greater than a predetermined value, or detects that the communication terminal is in a motion state, or detects that a pressure exceeding a preset value acts on the screen, or detects that the communication terminal is held, which is the case It indicates that the communication terminal is being subjected to an external force at this time, and it is highly likely that the display terminal glass of the communication terminal will be broken. Therefore, the display glass is detected at this time, and when the display glass is detected to be broken, the log text is recorded in time, and the cause of the screen breakage is traced back to reduce the dispute.
  • FIG. 1 is a schematic diagram of a screen rupture detecting apparatus according to an embodiment of the present invention.
  • FIG. 2 is a schematic diagram of a mobile phone screen
  • Figure 3 is a schematic view of the circuit circuit breaking caused by the crack of the display glass
  • FIG. 4 is a schematic diagram of a mobile phone holding sensor
  • FIG. 5 is a schematic block diagram of a host control screen IC detecting a screen rupture according to an embodiment of the present invention
  • FIG. 6 is a flowchart of a method for detecting a screen breakage according to an embodiment of the present invention.
  • the screen rupture detecting device of the communication terminal of the embodiment of the present invention may be, but not limited to, a communication terminal device having a display screen such as a mobile communication terminal (such as a mobile phone).
  • the device includes a display glass 110, a loop circuit 120, a control circuit 130, a CPU 140, and a memory 150.
  • the CPU 140 is not limited to Outside the communication terminal, in practice, the CPU 140 is normally inside the communication terminal.
  • the communication terminal structure shown in FIG. 1 does not constitute a limitation of the communication terminal, and may include more or less components than those illustrated, or a combination of certain components, or different component arrangements. .
  • the communication terminal can be a terminal device with a display screen, such as a mobile phone, a tablet computer, a notebook computer, a UMPC (Ultra-mobile Personal Computer), a netbook, a PDA (Personal Digital Assistant).
  • a mobile phone screen using a mobile phone as an example.
  • the screen of the mobile phone mainly includes a display screen, a touch screen and a cover glass.
  • the mobile phone display screen is a display tool for displaying certain electronic files on the screen through a specific transmission device instrument and then reflecting it to the human eye, mainly including a liquid crystal display and an LED display.
  • the touch screen also known as the touch panel, feeds the tactile sensation on the screen into a pre-programmed program to drive various linking devices, and creates a film and television effect through the display screen.
  • mobile phone touch screens are mainly divided into two types: resistive screens and capacitive screens.
  • popular touch screens are mostly lens screens, which are both flat and mirror capacitive screens.
  • the cover glass is usually called cover glass or cover lens, and its main function is to protect the display screen and decorate the screen of the mobile phone.
  • the cover glass is a chemically strengthened aluminosilicate glass.
  • the three parts of the display screen, the touch screen and the cover glass in the mobile phone screen need to be attached, and the folding method can be divided into two types: a full fit and a frame fit.
  • the frame is simply to fix the touch screen and the four sides of the display, and the cost is low.
  • the full fit is to completely glue the display screen and the touch screen together in a seamless manner.
  • Full fit technology reduces reflections between the display and the cover glass.
  • the current full fit is mainly On-Cell, in-Cell and OGS/TOL solutions. In-Cell embeds the touch panel function into the LCD In pixels, this technique makes the screen thinner and lighter.
  • On-Cell refers to the method of embedding the touch screen between the color filter substrate of the display screen and the polarizer, that is, the touch sensor is provided on the liquid crystal panel, and the On-Cell technology is more difficult than In-Cell.
  • OGS/TOL technology integrates the touch screen with the cover glass, and is coated with an ITO conductive layer on the inside of the cover glass to directly coat and lithography on the cover glass. This solution can also make the touch screen more thin.
  • FIG. 2 is a schematic diagram of a mobile phone screen. This FIG. 2 only schematically describes the positional relationship of the main components in the screen of the mobile phone, and does not constitute a limitation on the screen structure of the mobile phone.
  • the display screen is integrated with the touch screen in one module.
  • a backlight is included in addition to the cover glass, touch screen, and display screen.
  • the display screen (or the touch screen and the display screen are integrated) includes an upper display glass and a lower display glass; wherein the upper display glass is close to the touch screen or close to the cover glass (for the display screen and the touch screen integrated happening).
  • the display glass is an aluminosilicate glass that has not been chemically strengthened.
  • a liquid crystal solution between the upper display glass and the lower display glass is a liquid crystal solution.
  • an LED phosphor between the upper display glass and the lower display glass is an LED phosphor.
  • a loop circuit 120 is included between the upper display glass and the lower display glass. And the loop circuit 120 surrounds the edge of the inner surface of the lower display glass (ie, near the glass surface of the upper display screen).
  • the loop circuit is an impedance circuit that surrounds the lower display glass.
  • the loop circuit 120 is a layer of indium tin oxide (ITO) plated on the inner surface of the lower display glass by sputtering, evaporation, or the like.
  • ITO indium tin oxide
  • FIG. Figure 3 is a schematic illustration of a circuit circuit break caused by a crack in the display glass. It can be seen from Fig. 3 that after the display glass is broken, the loop circuit 120 surrounding the display glass also breaks.
  • the control circuit 130 detects the voltage drop of the loop circuit 120, and detects that the loop circuit 120 is open, thereby determining that the display glass is broken.
  • control circuit 130 is used to control the closing or opening of the loop circuit 120, thereby Now the detection of whether the display is broken.
  • control circuit 130 is in a screen IC (screen integrated circuit) within the communication terminal.
  • the loop circuit 120 is powered by the screen IC. Based on the control of the CPU 140, the control circuit 130 in the screen IC drives the loop circuit 120 to be closed under the power supply of the loop circuit, and is turned on by the loop circuit 120. Detecting whether the loop circuit 120 has an open circuit; if the loop circuit 120 is turned on, there is no open circuit, the display glass is intact and is not broken; if there is an open circuit, the display glass is broken.
  • control circuit 130 determines whether the loop circuit 120 has an open circuit by detecting a voltage drop condition of the loop circuit 120.
  • the CPU 140 drives the control circuit 130 to close the loop circuit 120 to detect whether the display glass 110 is broken; and after detecting that the loop circuit 120 has an open circuit, the control circuit 130 sends the control circuit 130 to the CPU 140.
  • a message notification that the display glass is broken the CPU 140 records a log (log file) based on the message notification to provide assistance for failure analysis; wherein the log (log file) is information generated by the communication terminal during operation, and is The communication terminal completes a record of some processing.
  • the CPU 140 records the log (log text), which can be used for the maintenance point to quickly locate the cause of the failure of the communication terminal screen, save maintenance time, and reduce disputes. For example, according to the acceleration data recorded by the log, it is inferred that the cause of the malfunction of the screen is that the display glass is broken due to the fall of the communication terminal.
  • the CPU 140 controls the speaker of the communication terminal (not shown in FIG. 1) after receiving a message notification that the display glass is broken, and issues an audible prompt (such as a glass break sound prompt) to remind the user that the display glass is broken. .
  • the memory 150 is used to store software programs and modules that the CPU 140 needs to execute, including a storage trigger CPU 140 jump to the drive detection display glass rupture condition.
  • the memory 150 may include a high speed random access memory, and may also include a non-volatile memory such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.
  • the trigger CPU 140 stored in the memory 150 detects the condition that the display glass is broken, including: (1) an instant of powering on the screen, for example, the screen is turned from dark to bright; (2) setting the timing detection time has expired, for example, every 10 seconds. Check if the display glass is broken.
  • the communication terminal further includes a sensor (not shown in Figure 1, which will be shown in Figure 5).
  • the communication terminal can include one or more of the following sensors:
  • the trigger CPU 140 drives the control circuit 130 to the circuit. Whether the circuit 120 is open circuited to detect whether the display glass is broken; or
  • the speed sensor detects that the communication terminal is in a motion state; in an example, the speed sensor detects that the communication terminal speed is greater than a predetermined value, and the acceleration sensor of the communication terminal detects that the acceleration of the communication terminal reaches a predetermined value
  • the communication terminal may be in a motion state, such as a flat throw; at this time, the CPU 140 is driven to drive the control circuit 130 to detect whether the loop circuit 120 is open. To detect if the display glass is broken;
  • the pressure sensor is a pressure touch screen; when a user presses the screen with an overload, the pressure sensor detects that a pressure exceeding a preset value acts on the screen; at this time, the trigger CPU 140 drives the control circuit 130. Detecting whether the loop circuit 120 is open or not to detect whether the display glass is broken;
  • FIG. 4 is a schematic diagram of the mobile phone holding sensor; in FIG. 4, a plurality of holding sensors are wrapped around the side of the mobile phone, and the holding sensor is a capacitive sensing device capable of sensing the grip of the finger;
  • the holding sensor detects that the communication terminal is held, and the acceleration sensor of the communication terminal detects that the communication terminal acceleration is greater than a preset value, at this time, the user may hold the communication terminal and use the communication terminal to swipe other objects.
  • the trigger CPU 140 drives the control circuit 130 to detect whether the loop circuit 120 is open or not to detect whether the display glass is broken.
  • the communication terminal further includes an interface (not shown in FIG. 1), before the communication terminal leaves the factory.
  • the communication terminal is connected to a test device (such as a terminal device such as a computer) through the interface, so that the test device controls the CPU 140 to drive the loop circuit. 120 detects whether the display glass is broken or not.
  • FIG. 5 is a schematic diagram of a communication terminal according to an embodiment of the present invention.
  • the figure shows that the CPU 140 drives the control circuit 130 in the screen IC 510 to detect whether the loop circuit 120 is detected by transmitting a control command to the register 511 corresponding to the control circuit 130.
  • the circuit is broken, thereby detecting whether the display glass is broken; wherein the screen IC 510 includes a control circuit 130 and a register 511.
  • FIG. 5 only shows that the control circuit 130 and the register 511 are in the screen IC 510.
  • the control circuit 130 and the register 511 may also be in the CPU 140.
  • the control circuit 130 and the register 511 are in the CPU 140, and the control circuit 130 and the register 511 are in the screen IC 510.
  • the functions of the control circuit and the register function are the same and will not be described again.
  • the communication terminal structure shown in FIG. 5 does not constitute a limitation of the communication terminal, and may include more or less components than those illustrated, or a combination of certain components, or different component arrangements.
  • the CPU 140 in the communication terminal transmits an instruction based on a trigger from a preset condition, that is, a trigger from the sensor 520 and/or a trigger from a specific program in the memory 150 or an external test device connected through the interface 530.
  • control circuit 130 determines whether the loop circuit 120 is open by detecting a voltage drop of the loop circuit 120, and further determines whether the display glass is broken.
  • the control circuit 130 After detecting that the display glass is broken, the control circuit 130 transmits a message notification that the display glass is broken to the CPU 140 through the register 511. Based on the message notification, the CPU 140 records the log (log text) to trace the cause of the glass breakage of the display screen. Optionally, the CPU 140 also controls the speaker to emit a glass break sound prompt.
  • the instructions include closed loop circuit instructions, open loop circuit commands, instructions to transmit voltage values (eg, 1 volt) to the loop circuit, and the like.
  • the register 511 is used to temporarily store data operation results, instructions, addresses, and the like.
  • the communication terminal further includes a sensor 520.
  • the sensor is shown by only one module in FIG. 5.
  • the number of sensors may be one or more, such as an acceleration sensor, a speed sensor, a holding sensor, One or more of the pressure sensors.
  • the acceleration sensor is used to sense the acceleration of the communication terminal and convert it into an output signal, and mainly includes a piezoelectric acceleration sensor, a piezoresistive acceleration sensor, a capacitive acceleration sensor, and a servo acceleration sensor.
  • Speed sensors include line speed sensors and angular velocity sensors, mainly contact speed sensors and non-contact speed sensors.
  • the grip sensor is a capacitive sensor that senses the grip of the mobile phone to the communication terminal.
  • the pressure sensor mainly has a mechanical structure type pressure sensor and a semiconductor pressure sensor.
  • the mechanical structure type pressure sensor indicates the pressure by the deformation of the elastic element, and the semiconductor pressure sensor can convert the pressure into an electric signal output.
  • the pressure sensor in the communication terminal is usually a semiconductor pressure. sensor.
  • the sensor 520 in the communication terminal may send information obtained by the communication terminal, such as acceleration information of the communication terminal obtained by the acceleration sensor, to the CPU 140.
  • the CPU 140 may also acquire information, such as acceleration, to the sensor 520, either in real time or in real time.
  • the sensor acquires acceleration information of the communication terminal.
  • the typical application scenario of this embodiment is further described below by taking the former case as an example.
  • the acceleration sensor in the communication terminal when the acceleration sensor in the communication terminal obtains that the communication terminal acceleration is greater than a predetermined value, the acceleration sensor notifies the CPU 140 to activate the display glass break detection mechanism; first, the CPU 140 sends an instruction to the closed loop circuit 120 to the register 411. Then, the control circuit 130 obtains the instruction from the register 411, and starts the loop circuit based on the instruction, and determines whether the loop circuit has an open circuit according to the voltage drop of the loop circuit; if there is no open circuit, the The display glass is intact, otherwise the display glass is broken; in the case of the display glass being broken, the control circuit 130 sends a display to the CPU 140 through the register 511. Glass breaks the message notification. According to the message notification that the display glass is broken, the CPU 140 records the log (log text) and controls the speaker to emit a glass break sound prompt.
  • the speed sensor and/or the acceleration sensor in the communication terminal detects that the communication terminal is in motion
  • the speed sensor and/or the acceleration sensor notifies the CPU 140 to activate the display glass break detection mechanism.
  • the pressure sensor in the communication terminal detects that an overload pressure acts on the screen
  • the pressure sensor notifies the CPU 140 to activate the display glass breakage detection mechanism.
  • the holding sensor in the communication terminal detects that the communication terminal is held and/or the acceleration sensor of the communication terminal detects that the communication terminal acceleration is greater than a preset value
  • the holding sensor and / or the acceleration sensor notifies the CPU 140 to activate the display glass breakage detection mechanism.
  • the memory 150 stores a software program and a module, including a program that triggers the processor to jump to perform a process to detect that the display glass is broken; the processor executes various functional applications and data of the communication terminal by running a software program and a module stored in the memory. deal with.
  • the trigger processor stored in the memory 150 jumps to execute the program for detecting the breakage of the display glass, including: (1) a moment when the screen is powered on, for example, once the screen is darkened, the program in the memory jumps to perform the display glass breakage. Detection mechanism; (2) Timing (for example, every 10 seconds), the program in the memory will automatically jump to the execution of the display glass break detection mechanism.
  • the program stored in the memory 150 in the communication terminal will jump to perform the display glass cracking.
  • Detection mechanism For details on how to detect whether the display glass is broken, refer to the first typical application scenario described above.
  • the timing (e.g., every 10 seconds) is set to initiate a display glass breakage detection mechanism. How to detect the specific See if the screen glass is broken, see the first typical application scenario above.
  • the communication terminal may further include an interface 530, such as a usb interface, which may be a wired interface or a wireless interface.
  • the communication terminal is connected to a test device (such as a computer terminal) through the interface 530, so that the test device controls the processor drive control circuit 130 to detect whether the display glass is broken.
  • the communication terminal is connected to the test device through the interface 530, and the test device controls the communication when the product performance includes testing whether the display glass is broken or not before the communication terminal is shipped from the factory.
  • the processor in the terminal activates the display glass break detection mechanism. For details on how to detect whether the display glass is broken, refer to the first typical application scenario described above.
  • FIG. 6 is a flowchart of a method for detecting a screen breakage according to an embodiment of the present invention.
  • the method execution subject is a communication terminal, and the communication terminal can be, but is not limited to, a terminal device having a display screen such as a mobile phone.
  • the screen of the communication terminal mainly includes a display screen, a touch screen, and a cover glass. The functions of the specific functions are described in detail in the foregoing, and are not described herein again.
  • the display screen includes an upper display glass and a lower display glass, and a display function material such as a liquid crystal solution or an LED phosphor is disposed between the upper display glass and the lower display glass, and the inner surface of the lower display glass is The edge surrounds the loop circuit, which is an impedance electric; in an example, the loop circuit 120 is a layer of indium tin oxide (ITO) plated on the inner surface of the lower display glass by sputtering, evaporation, or the like. ).
  • the inner surface of the lower display glass is further provided with a circuit such as a screen integrated circuit and/or a control circuit and/or a cpu.
  • the display glass breakage detection method includes:
  • the communication terminal supplies power to the loop circuit, and controls the loop circuit to close to detect whether the loop circuit is open.
  • the circuit IC (screen integrated circuit) of the communication terminal provides the loop circuit Electricity.
  • the preset trigger condition is that the acceleration sensor in the communication terminal detects that the acceleration is greater than a predetermined value, for example, greater than 9.8 m/s 2 .
  • the preset trigger condition is that the speed sensor in the communication terminal detects that the communication terminal is in a motion state.
  • the preset trigger condition is that the pressure sensor in the communication terminal detects that an overload pressure acts on the screen.
  • the preset trigger condition is that the holding sensor in the communication terminal detects that the communication terminal is held.
  • the preset triggering condition is that the screen is powered on, for example, the screen is turned from dark to bright.
  • the preset trigger condition is that the set timing detection time has expired, for example, the first 10 seconds that are detected every 10 seconds is set.
  • the preset trigger condition is that before the communication terminal leaves the factory, the product performance on the product line includes testing the display glass of the communication terminal.
  • the communication terminal determines whether the loop circuit has an open circuit by detecting a voltage drop of the loop circuit.
  • step 601 the step of detecting, by the communication terminal, whether the loop circuit is open comprises: the CPU of the communication terminal sends an instruction of the closed loop circuit to the communication terminal register, and the communication terminal control circuit acquires the instruction, and according to the The command closes the loop circuit; and then the control circuit determines whether the loop circuit is open according to the voltage drop condition of the loop circuit.
  • step 603 is an optional step.
  • the log is information generated when the communication terminal is running, and is a record that completes some processing for the communication terminal.
  • the communication terminal records the log (log text), which can be quickly set for the maintenance point
  • the communication terminal displays the cause of glass breakage, saves maintenance time, and reduces disputes.
  • step 604 is an optional step.

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Abstract

本发明实施例涉及屏幕破裂检测方法、装置。该显示屏玻璃包括上显示屏玻璃、下显示屏玻璃。该方法包括：基于预设条件的触发，所述通信终端控制一回路电路闭合，检测所述回路电路是否断路；如果所述回路电路断路，则判断所述显示屏玻璃破裂；其中，所述回路电路在所述上显示屏玻璃、下显示屏玻璃之间，且环绕在所述下显示屏玻璃内表面边缘。本发明节省功耗，提升产品使用时间，增加客户满意度。

Description

屏幕破裂检测方法、装置 技术领域
本发明实施例涉及通信领域，尤其涉及屏幕破裂检测方法、装置。
背景技术
随着手机向大屏方向的发展，增加待机时间和延长用户操作时间是消费者最迫切的需要，这样对手机本身来说，节省功耗显得尤为重要。
手机屏幕主要包括盖板玻璃、触摸屏、显示屏。现有技术中，有时会将触摸面板与液晶面板一体化，从而实现了面板的薄型化和轻量化，如in-cell、on-cell、OGS(One Glass Solution、单玻璃方案)、TOL(Touch On Lens，覆盖层触摸)等技术。显示屏主要包括两块显示屏玻璃，对于液晶显示屏来说，在该两块显示屏玻璃之间的是液体水晶溶液；对于LED显示屏来说，在该两块显示屏玻璃之间的是LED荧光粉。由于显示屏玻璃破裂后不容易被用户发现，因此，显示屏玻璃破裂检测尤为重要。
目前市面上的手机产品通常都没有显示屏玻璃破裂检测功能。少部分有显示面板破裂检测PCD(panel crack detection，显示面板破裂检测)功能的手机，在手机上电后PCD模块会一直工作，不能按照需要控制。在现有技术中，一旦手机屏幕上电后，显示屏玻璃破裂检测机制就会开始工作，检测电路一直处于工作状态，非常耗电，不节能，更没有对破裂原因进行追溯。
发明内容
本申请提供了一种屏幕破裂检测方法、装置。
第一方面，本申请提供了一种通信终端的显示屏玻璃破裂检测方法。该显示屏玻璃包括上显示屏玻璃、下显示屏玻璃。首先基于预设条件的触发，通信终端控制一回路电路闭合，检测回路电路是否断路。如果该回路电路断 路，则判断该显示屏玻璃破裂。其中，该回路电路在上显示屏玻璃、下显示屏玻璃之间，且环绕在下显示屏玻璃内表面边缘。
第二方面，本申请提供了一种通信终端的显示屏玻璃破裂检测装置。该显示屏玻璃包括上显示屏玻璃、下显示屏玻璃。且该显示屏玻璃破裂检测装置包括回路电路和CPU。该回路电路在上显示屏玻璃、下显示屏玻璃之间，且环绕在下显示屏玻璃内表面边缘。该控制电路基于预设条件的触发，控制该回路电路闭合。CPU用于检测该闭合后的回路电路是否断路，以判定显示屏玻璃是否破裂。
本申请提供的屏幕破裂检测方法、装置，简单有效地实现了对显示屏玻璃破裂的检测。本申请对显示屏玻璃破裂的检测是基于预设条件触发来实现的，相对于现有技术的通信终端一直处于检测状态而言，大大节约了功耗，增长了用户操作通信终端的时间，客户体验更佳。
进一步地，通信终端在检测到显示屏玻璃破裂时，该通信终端记录日志文本。更进一步地，在屏幕破裂时，CPU控制该扬声器发出声音提示。
本实施例通过记录日志文本的方式，实现了对终端破裂原因的追溯，进而供维修点快速定位通信终端破裂原因，节省维修时间，并减少争议。
该通信终端是手机、平板电脑、笔记本电脑、超级移动个人计算机、上网本、个人数字助理等具有显示屏幕的终端设备。
可选地，上述回路电路是一个具有阻抗的电路。进一步地，该回路电路是通过溅射、蒸发等方式在该屏幕内侧边缘镀上的一层氧化铟锡。
可选地，上述日志文本是该通信终端在运行时产生的信息，且是对通信终端完成某种处理的记录。
可选地，该通信终端根据该回路电路的电压压降情况，判定该回路电路是否断路。
可选地，上述触发的条件包括以下一个或多个：在屏幕上电瞬间；设置的定时检测时间已到；在产品线上对通信终端屏幕是否破裂进行测试时；通 信终端中的传感器检测到该通信终端加速度大于预定值；通信终端中的传感器检测到通信终端处于运动姿态；通信终端中的传感器检测到有超过预设值的压力作用于屏幕；通信终端中的传感器检测到通信终端被握持。
上述在产品线上对通信终端屏幕是否破裂进行测试时，触发通信终端对回路电路是否断路进行检测，实现了在产品线上，对不良产品及时拦截。
此外，传感器在检测到通信终端的加速度大于预定值，或者检测到通信终端处于运动状态，或者检测到有超过预设值的压力作用于屏幕，或者检测到通信终端被握持，此种情况均说明通信终端此时正在受外力作用，极有可能会致使通信终端显示屏玻璃破裂。因此此时开始对显示屏玻璃进行检测，能够在检测到显示屏玻璃破裂时，及时记录日志文本，追溯到屏幕破裂原因，减少争议。
附图说明
图1为本发明实施例提供的屏幕破裂检测装置示意图；
图2为是一种手机屏幕示意图；
图3是由显示屏玻璃破裂引起的回路电路断裂的示意图；
图4是手机握持传感器示意图；
图5为本发明实施例提供的主机控制屏幕IC检测屏幕破裂的原理方框图；
图6为本发明实施例提供的屏幕破裂检测方法流程图。
具体实施方式
为使本发明实施例的目的、技术方案和优点更加清楚，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描述，显然，所描述的实施例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。
本发明实施例的通信终端的屏幕破裂检测装置可以但不限于移动通信终端(如手机)等具有显示屏幕的通信终端设备。
图1为本发明实施例提供的通信终端的显示屏玻璃破裂检测装置示意图，该装置包括显示屏玻璃110、回路电路120、控制电路130、CPU140、存储器150；其中，该CPU140并未被限定在该通信终端外部，实际上，一般情况下该CPU140处于该通信终端内部。
本领域技术人员可以理解，图1中示出的通信终端结构并不构成对通信终端的限定，可以包括比图示更多或更少的部件，或者组合某些部件，或者不同的部件布置。。
该通信终端可以为手机、平板电脑、笔记本电脑、UMPC(Ultra-mobile Personal Computer，超级移动个人计算机)、上网本、PDA(Personal Digital Assistant，个人数字助理)等具有显示屏幕的终端设备。下面仅以手机为例介绍手机屏幕大致结构。
手机屏幕主要包括显示屏、触摸屏和盖板玻璃。手机显示屏是一种将一定的电子文件通过特定的传输设备仪器显示到屏幕上再反射到人眼的的一种显示工具，主要有液晶显示屏、LED显示屏等。触摸屏又称触控面板，是将屏幕上的触觉反馈至预先编制的程序中以驱动各种连结装置，并借由显示屏制造出影视效果。目前手机触摸屏主要分为两种：电阻屏和电容屏，目前流行的触摸屏多为lens屏，既纯平电阻和镜面电容屏。盖板玻璃通常称为cover glass或cover lens，其主要功能是保护显示屏、装饰手机屏幕等作用。盖板玻璃是经过化学强化处理后的铝硅酸盐玻璃。
手机屏幕中的显示屏、触摸屏和盖板玻璃这三部分需要进行贴合，按贴合方式可以分为全贴合和框贴两种。框贴就是简单将触摸屏与显示屏的四边固定，成本低廉。全贴合是将显示屏与触摸屏以无缝隙的方式完全黏贴在一起。全贴合技术减少了显示屏和盖板玻璃之间的反光。目前的全贴合主要有On-Cell、in-Cell和OGS/TOL方案。In-Cell是将触摸面板功能嵌入到液晶 像素中，此种技术使得屏幕变得更加轻薄。On-Cell是指将触摸屏嵌入到显示屏的彩色滤光片基板和偏光片之间的方法，即在液晶面板上配触摸传感器，相比In-Cell来说，On-Cell技术难点更低。OGS/TOL技术就是将触控屏与盖板玻璃集成在一起，在盖板玻璃内侧镀上ITO导电层，直接在盖板玻璃上进行镀膜和光刻，此种方案也能够使触摸屏做的更薄。
图2是一种手机屏幕示意图，该图2仅示意性地描述了手机屏幕中各主要部件位置关系，并不构成对手机屏幕结构的限定。例如，对于In-cell屏幕，显示屏与触摸屏集成在一个模块中。对于On-cell屏幕，除包括盖板玻璃、触摸屏、显示屏之外还包括背光源(back light)。图2中，显示屏(或者触摸屏、显示屏集成在一起)包括上显示屏玻璃、下显示屏玻璃；其中，上显示屏玻璃靠近触摸屏或者靠近盖板玻璃(对于显示屏与触摸屏集成在一起的情况)。该显示屏玻璃是未经化学强化处理的铝硅酸盐玻璃。对于液晶显示屏来说，在该上显示屏玻璃与下显示屏玻璃之间的是液体水晶溶液。对于LED显示屏来说，在该上显示屏玻璃与下显示屏玻璃之间的是LED荧光粉。此外，在该上显示屏玻璃与下显示屏玻璃之间还包含回路电路120。且该回路电路120环绕在该下显示屏玻璃内表面(即靠近上显示屏玻璃面)边缘一周。
具体地，该回路电路是一个环绕在该下显示屏玻璃上的阻抗电路。
一个例子中，该回路电路120是通过溅射、蒸发等方式在该下显示屏玻璃内表面边缘镀上的一层氧化铟锡(ITO)。
由于该回路电路120环绕在该下显示屏玻璃内表面边缘一周，因此，一旦显示屏玻璃破裂，该回路电路120就会断裂，参见图3。图3是由显示屏玻璃破裂引起的回路电路断裂的示意图。由图3可见，显示屏玻璃破裂后，围绕在该显示屏玻璃四周的回路电路120也会断裂。一个例子中，该回路电路120上电后，该控制电路130通过检测该回路电路120压降情况，检测到该回路电路120断路，进而判定该显示屏玻璃破裂。
图1中，控制电路130用于控制该回路电路120的闭合或断开，从而实 现对显示屏是否破裂的检测。
一个例子中，该控制电路130处于该通信终端内的屏幕IC(屏幕集成电路)中。
具体地，该回路电路120由屏幕IC供电，屏幕IC中的控制电路130基于该CPU140的控制，在该回路电路供电情况下，驱动该回路电路120闭合，并通过该回路电路120导通情况，检测该回路电路120是否有断路；如果该回路电路120导通，既没有断路，则说明该显示屏玻璃完好，并未破裂；如果有断路，则说明该显示屏玻璃有破裂。
可选地，该控制电路130通过检测该回路电路120的电压压降情况，来判定该回路电路120是否有断路。
该CPU140在预设条件触发后，驱动该控制电路130闭合回路电路120，以检测该显示屏玻璃110是否有破裂；以及在检测出该回路电路120有断路后，该控制电路130向该CPU140发送显示屏玻璃破裂的消息通知；该CPU140基于该消息通知，记录log(日志文件)，以便为故障分析提供帮助；其中，log(日志文件)是该通信终端在运行时产生的信息，且是对通信终端完成某种处理的记录。
该CPU140记录log(日志文本)，可供维修点快速定位通信终端屏幕发生故障原因，节省维修时间，并减少争议。例如，根据log记录的加速度数据，以推断屏幕发生故障原因是由通信终端掉落而导致的显示屏玻璃破裂。
可选地，该CPU140在得到显示屏玻璃破裂的消息通知后，控制该通信终端的扬声器(图1未示出)，发出声音提示(如发出玻璃破裂声音提示)，以提醒用户显示屏玻璃破裂。
该存储器150用于存储CPU140需要执行的软件程序以及模块，包括存储触发CPU140跳转至驱动检测显示屏玻璃破裂条件。可选地，该存储器150可以包括高速随机存取存储器，还可以包括非易失性存储器，例如至少一个磁盘存储器件、闪存器件、或其他易失性固态存储器件。
该存储器150所存储的触发CPU140检测显示屏玻璃破裂的条件，包括：(1)屏幕上电瞬间，例如，屏幕由暗变亮瞬间；(2)设置定时检测时间已到，例如设置每10秒检测一次显示屏玻璃是否破裂。
可选地，该通信终端还包括传感器(图1未示出，图5中将示出)。该通信终端可以包含以下传感器中的一个或者多个：
(1)加速度传感器；在该加速度传感器检测到通信终端加速度大于预定值；例如，检测到加速度大于9.8m/s2时，说明通信终端可能掉落；此时，触发CPU140驱动控制电路130对回路电路120是否断路的检测，以检测显示屏玻璃是否破裂；或者
(2)速度传感器；在该速度传感器检测到通信终端处于运动状态；一个例子中，该速度传感器检测到通信终端速度大于预定值，该通信终端的加速度传感器检测到该通信终端的加速度达到预定值时；例如，初速度大于0，加速度大于等于9.8m/s，此时说明该通信终端可能处于运动状态，如平抛；此时，触发CPU140驱动控制电路130对回路电路120是否断路的检测，以检测显示屏玻璃是否破裂；
(3)压力传感器；该压力传感器是一个压力触控屏；当有用户超负荷按压屏幕时，该压力传感器检测到有超过预设值的压力作用于屏幕；此时，触发CPU140驱动控制电路130对回路电路120是否断路的检测，以检测显示屏玻璃是否破裂；
(4)握持传感器；图4是手机握持传感器示意图；图4中，多个握持传感器环绕在手机侧面四周，该握持传感器是电容类感应装置，其能够感应到手指的握持；在该握持传感器检测到通信终端被握持，且该通信终端的加速度传感器检测到该通信终端加速度大于预设值，此时可能有用户握持该通信终端并且使用该通信终端挥击其他物体；此时，触发CPU140驱动控制电路130对回路电路120是否断路的检测，以检测显示屏玻璃是否破裂。
可选地，该通信终端还包括接口(图1未示出)，在通信终端出厂前， 在产品线上对产品性能进行测试，且对通信终端显示屏玻璃是否破裂进行检测时，通信终端通过该接口与一测试设备(例如电脑等终端设备)相连，以便该测试设备控制CPU140驱动回路电路120对显示屏玻璃是否破裂进行检测。
下面将通过图5对通信终端中的CPU如何驱动控制电路对显示屏玻璃破裂检测进行更加具体的描述。
图5是本发明实施例的通信终端示意图，该图示出了CPU140通过向与该控制电路130相对应的寄存器511发送控制指令的方式，驱动屏幕IC 510中的控制电路130检测回路电路120是否断路，进而检测显示屏玻璃是否破裂；其中，该屏幕IC 510包括控制电路130和寄存器511。图5仅示意出控制电路130、寄存器511处于屏幕IC510中，实际上，该控制电路130、寄存器511也可以处于CPU 140中。该控制电路130、寄存器511处于CPU140中，与该控制电路130、寄存器511处于屏幕IC 510中，该控制电路、寄存器功能作用相同，不再赘述。
本领域技术人员可以理解，图5中示出的通信终端结构并不构成对通信终端的限定，可以包括比图示更多或更少的部件，或者组合某些部件，或者不同的部件布置。图5中，该通信终端中的CPU140基于来自预设条件的触发，即来自传感器520的触发和/或来自存储器150中特定程序的触发或者通过接口530连接的外部测试设备的触发，发送指令至该屏幕IC510中的寄存器511；该控制电路130实时或定时从该寄存器511中获取该指令；基于该指令，该控制电路130控制该回路电路120闭合，以检测显示屏玻璃是否破裂。
可选地，该控制电路130通过检测该回路电路120的电压压降情况，来判定该回路电路120是否断路，进而判定该显示屏玻璃是否破裂。
该控制电路130在检测到显示屏玻璃破裂后，其通过寄存器511向CPU140发送显示屏玻璃破裂的消息通知。根据该消息通知，CPU140记录log(日志文本)，以便对显示屏玻璃破裂原因进行追溯。可选地，该CPU140还控制扬声器发出玻璃破裂声音提示。
一个例子中，上述指令包括闭合回路电路指令、断开回路电路指令、发送电压值(如1伏特电压)至回路电路的指令等。
一个例子中，该寄存器511用于暂存数据运算结果、指令、地址等信息。
可选地，该通信终端还包括传感器520，图5中仅以一个模块示出传感器，实际上，传感器数量可以是一个也可以是多个，如可以是加速度传感器、速度传感器、握持传感器、压力传感器中的一个或多个。该加速度传感器用于感受通信终端加速度并将其转换成输出信号，主要有压电式加速度传感器、压阻式加速度传感器、电容式加速度传感器、伺服式加速度传感器。速度传感器包括线速度传感器和角速度传感器，主要有接触式速度传感器和非接触式速度传感器。握持传感器是电容类传感器，其可以感应到手机对通信终端的握持。压力传感器主要有机械结构型压力传感器和半导体压力传感器，机械结构型压力传感器以弹性元件的变形指示压力，半导体压力传感器能够将压力转换成电信号输出，该通信终端中的压力传感器通常为半导体压力传感器。
具体地，该通信终端中的传感器520，可以将其获得的信息，例如加速度传感器获得的通信终端的加速度信息，发送至CPU140；也可以由CPU140定时或者实时向该传感器520获取信息，如向加速度传感器获取通信终端的加速度信息。下面将以前一种情况为例，对本实施例的典型应用场景做进一步阐述。
在一个典型应用场景中，通信终端中的加速度传感器在得到该通信终端加速度大于预定值时，该加速度传感器通知CPU140启动显示屏玻璃破裂检测机制；首先，CPU140向寄存器411发送闭合回路电路120的指令；然后该控制电路130从该寄存器411中获得该指令，并基于该指令启动该回路电路，且根据该回路电路电压压降变化情况，判定该回路电路是否有断路；如果没有断路，则说明该显示屏玻璃完好，否则说明该显示屏玻璃破裂；在该显示屏玻璃破裂情况下，该控制电路130通过该寄存器511向CPU140发送显示屏 玻璃破裂消息通知。根据该显示屏玻璃破裂的消息通知，CPU140记录log(日志文本)，并控制扬声器发出玻璃破裂声音提示。
在第二个典型应用场景中，通信终端中的速度传感器和或加速度传感器检测到该通信终端处于运动状态时，该速度传感器和/或加速度传感器通知CPU140启动显示屏玻璃破裂检测机制。具体如何检测显示屏玻璃是否破裂参见上述第一典型应用场景。
在第三个典型应用场景中，通信终端中的压力传感器检测到有超负荷压力作用于屏幕时，该压力传感器通知CPU140启动显示屏玻璃破裂检测机制。具体如何检测显示屏玻璃是否破裂参见上述第一典型应用场景。
在第四个典型应用场景中，通信终端中的握持传感器检测到该通信终端被握持和/或该通信终端的加速度传感器检测到该通信终端加速度大于预设值时，该握持传感器和/或加速度传感器通知CPU140启动显示屏玻璃破裂检测机制。具体如何检测显示屏玻璃是否破裂参见上述第一典型应用场景。
存储器150存储软件程序以及模块，包括存储触发处理器跳转至执行检测显示屏玻璃破裂的程序；该处理器通过运行存储在存储器中的软件程序以及模块，执行通信终端的各种功能应用以及数据处理。存储器150存储的触发处理器跳转至执行检测显示屏玻璃破裂的程序包括：(1)屏幕上电瞬间，例如一旦屏幕由暗变亮，存储器中的程序就会跳转至执行显示屏玻璃破裂检测机制；(2)定时(例如每10秒)，存储器中的程序就会自动跳转至执行显示屏玻璃破裂检测机制。
在第五典型应用场景中，在该通信终端的屏幕上电瞬间，例如当该通信终端的屏幕由暗变亮时，通信终端中的存储器150所存储的程序将跳转至执行显示屏玻璃破裂检测机制。具体如何检测显示屏玻璃是否破裂参见上述第一典型应用场景。
在第六个典型应用场景中，在通信终端存储器150所存储的程序中，设定定时(如每10秒)，启动一次显示屏玻璃破裂检测机制。具体如何检测显 示屏玻璃是否破裂参见上述第一典型应用场景。
该通信终端还可以包括接口530，如usb接口，该接口530可以是一个有线接口，也可以是一个无线接口。该通信终端通过该接口530与一测试设备(如电脑终端)相连，以便该测试设备控制处理器驱动控制电路130检测显示屏玻璃是否破裂。
在第七个典型应用场景中，在通信终端未出厂前，在产品线上对产品性能包括对显示屏玻璃是否破裂进行测试时，该通信终端通过接口530与测试设备相连，该测试设备控制通信终端中的处理器启动显示屏玻璃破裂检测机制。具体如何检测显示屏玻璃是否破裂参见上述第一典型应用场景。
图6是本发明实施例提供的屏幕破裂检测方法流程图。该方法执行主体为通信终端，通信终端可以但不限于手机等具有显示屏幕的终端设备。该通信终端的屏幕主要包括显示屏、触摸屏、盖板玻璃，具体功能作用前文有详细介绍，在此不再赘述。该显示屏包括上显示屏玻璃和下显示屏玻璃，在该上显示屏玻璃与下显示屏玻璃中间是液体水晶溶液或LED荧光粉等具有显示功能的材料，且在该下显示屏玻璃内表面边缘环绕着回路电路，该回路电路是一个具有阻抗电；一个例子中，该回路电路120是通过溅射、蒸发等方式在该下显示屏玻璃内表面边缘镀上的一层氧化铟锡(ITO)。较佳地，在该下显示屏玻璃内表面还设置有屏幕集成电路和/或控制电路和/或cpu等电路。
由于该回路电路环绕在该下显示屏玻璃内表面边缘一周，因此，一旦显示屏玻璃破裂，也就是说，该回路电路就会断裂，从而导致上电后该回路电路断路；一个例子中，该回路电路由设置在该下显示屏玻璃内表面的屏幕集成电路供电。因此，如果上电后的该回路电路断路，则说明通信终端的显示屏玻璃破裂。该显示屏玻璃破裂检测方法包括：
601，基于预设条件触发，该通信终端为该回路电路供电，控制该回路电路闭合，以检测该回路电路是否断路。
一个例子中，由该通信终端的屏幕IC(屏幕集成电路)为该回路电路供 电。
可选地，上述预设触发条件为，通信终端中的加速度传感器检测到加速度大于预定值，例如大于9.8m/s2。
可选地，上述预设触发条件为，通信终端中的速度传感器检测到通信终端处于运动状态。
可选地，上述预设触发条件为，通信终端中的压力传感器检测到有超负荷压力作用于屏幕。
可选地，上述预设触发条件为，通信终端中的握持传感器检测到通信终端被握持。
可选地，上述预设触发条件为，屏幕上电瞬间，例如，屏幕由暗变亮瞬间。
可选地，上述预设触发条件为，设置的定时检测时间已到，例如所设置的每10秒检测一次的第一个10秒已到。
可选地，上述预设触发条件为，通信终端出厂前，在产品线上对产品性能包括对通信终端显示屏玻璃进行测试。
进一步地，该通信终端通过检测该回路电路的电压压降，来判定该回路电路是否有断路。
可选地，在上述步601中，通信终端检测回路电路是否断路的步骤包括，该通信终端的CPU发送闭合回路电路的指令至该通信终端寄存器，该通信终端控制电路获取该指令，并根据该指令闭合该回路电路；而后该控制电路根据该回路电路压降情况，判定该回路电路是否断路。
S602，如果该回路电路有断路，则判定该显示屏玻璃破裂。
S603，在判定到该显示屏玻璃破裂情况下，该通信终端记录日志文本(log)，以便追溯显示屏玻璃破裂原因。该步骤603是一个可选步骤。
该log(日志文件)是该通信终端在运行时产生的信息，且是对通信终端完成某种处理的记录。该通信终端记录log(日志文本)，可供维修点快速定 位通信终端显示屏玻璃破裂原因，节省维修时间，并减少争议。
S604，在该通信终端检测到显示屏玻璃破裂后，该通信终端控制该通信终端中的扬声器发出玻璃破裂声音提示，以提醒用户显示屏玻璃破裂。该步骤604是一个可选步骤。
以上所述，仅为本发明较佳的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，可轻易想到的变化或替换，都应涵盖在本发明的保护范围之内。因此，本发明的保护范围应该以权利要求的保护范围为准。

Claims (11)

  1. 一种通信终端的显示屏玻璃破裂检测方法，其特征在于，所述显示屏玻璃包括上显示屏玻璃、下显示屏玻璃，所述方法包括：
    基于预设条件的触发，所述通信终端控制一回路电路闭合，检测所述回路电路是否断路；如果所述回路电路断路，则判断所述显示屏玻璃破裂；其中，所述回路电路在所述上显示屏玻璃、下显示屏玻璃之间，且环绕在所述下显示屏玻璃内表面边缘。
  2. 如权利要求1所述的一种通信终端的显示屏玻璃破裂检测方法，其特征在于，所述方法还包括：
    当检测到所述显示屏玻璃破裂时，所述通信终端记录日志文本。
  3. 如权利要求1或2所述的一种通信终端的显示屏玻璃破裂检测方法，其特征在于，所述方法还包括：
    当检测到显示屏玻璃破裂时，通知扬声器发出声音提示。
  4. 如权利要求1至3之一所述的一种通信终端的显示屏玻璃破裂检测方法，其特征在于：所述预设条件包括以下一个或多个：
    在屏幕上电瞬间；
    设置的定时检测时间已到；
    在产品线上对通信终端显示屏玻璃是否破裂进行测试时；
    通信终端中的传感器检测到该通信终端加速度大于预定值；
    通信终端中的传感器检测到通信终端处于运动状态；
    通信终端中的传感器检测到有超负荷压力作用于屏幕；
    通信终端中的传感器检测到通信终端被握持。
  5. 如权利要求1至4之一所述的一种通信终端的显示屏玻璃破裂检测方法，其特征在于，所述通信终端通过检测所述回路电路的电压压降情况，来判定所述回路电路是否断路。
  6. 如权利要求1至5之一所述的一种通信终端的显示屏玻璃破裂检测方 法，其特征在于，所述检测回路电路是否断路步骤包括：
    所述通信终端的处理器发送闭合所述回路电路的指令至所述通信终端寄存器；
    所述通信终端的控制器通过所述寄存器获取所述指令，并根据所述指令闭合所述回路电路；
    所述控制器根据所述回路电路压降情况，判定所述回路电路是否断路。
  7. 一种通信终端的显示屏玻璃破裂检测装置，其特征在于，包括：所述显示屏玻璃包括上显示屏玻璃、下显示屏玻璃；
    回路电路，在所述上显示屏玻璃、下显示屏玻璃之间，且环绕在所述下显示屏玻璃内表面边缘；
    控制电路，基于预设条件的触发，控制所述回路电路闭合；
    CPU，检测所述闭合后的回路电路是否断路，以判定所述显示屏玻璃是否破裂。
  8. 如权利要求7所述的一种通信终端的显示屏玻璃破裂检测装置，其特征在于，所述控制电路是在所述CPU在所述预设条件触发后驱动所述控制电路闭合所述回路电路；且所述CPU还用于在所述回路电路断路时，记录日志文本。
  9. 如权利要求7或8所述的一种通信终端的显示屏玻璃破裂检测装置，所述装置包括屏幕集成电路，所述控制电路在该屏幕集成电路中，且由所述屏幕集成电路为所述回路电路供电。
  10. 如权利要求7至9之一所述的一种通信终端的显示屏玻璃破裂检测装置，其特征在于，所述装置的预设条件包括以下一个或多个：
    屏幕上电瞬间；
    设置的定时检测时间已到；
    所述装置中的加速度传感器，检测到所述通信终端的加速度大于预定值时；
    所述装置中的速度传感器检测到所述通信终端处于运动状态时；
    所述装置中的压力传感器检测到有超负荷压力作用于所述通信终端屏幕时；
    所述装置中的握持传感器检测到所述通信终端被握持时；
    在产品线上对所述通信终端进行显示屏玻璃是否破裂进行测试时。
  11. 如权利要求7至10之一所述的一种通信终端的显示屏玻璃破裂检测装置，其特征在于，所述控制电路通过检测所述回路电路的电压压降情况，来判定该回路电路是否有断路。
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CN114325501A (zh) * 2021-12-31 2022-04-12 科博达技术股份有限公司 Pdlc玻璃开路检测方法及其电路
CN114325501B (zh) * 2021-12-31 2024-04-02 科博达技术股份有限公司 Pdlc玻璃开路检测方法及其电路

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