CN109951581B - High-temperature screen protection device and method suitable for folding mobile terminal - Google Patents
High-temperature screen protection device and method suitable for folding mobile terminal Download PDFInfo
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- CN109951581B CN109951581B CN201910147769.9A CN201910147769A CN109951581B CN 109951581 B CN109951581 B CN 109951581B CN 201910147769 A CN201910147769 A CN 201910147769A CN 109951581 B CN109951581 B CN 109951581B
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Abstract
A high temperature screen saver and method for a folder type mobile terminal are provided, the apparatus including: the temperature sensor is used for detecting the ambient temperature; the state sensor is used for detecting the state of the flexible display screen so as to indicate whether the flexible display screen is in a folded state or a flattened state; and the state control module is used for flattening the flexible display screen when the environment temperature exceeds a preset threshold value and the flexible display screen is in a folded state, so that the flexible display screen is in a flattened state. The device solves the problems that the screen film layer is peeled off and the screen can not automatically recover to be flat under the high-temperature environment.
Description
Technical Field
The present disclosure relates to high temperature screen protection technologies, and in particular, to a high temperature screen protection device and method for a foldable mobile terminal.
Background
A foldable mobile terminal (such as a mobile phone) is an important research and development hotspot of flexible electronic products, and a flexible screen is the most difficult key element in the research and development of the foldable mobile terminal. The flexible screen contains a large amount of high polymer materials which are easy to age and denature at the temperature of more than 50 ℃, and the high temperature reliability of the foldable screen is poor. Under long-time high temperature environment, there is great internal stress in the screen inside, and high temperature environment makes macromolecular material take place to relax and bonding strength reduces, has finally caused the screen rete to peel off (peeling), and the unable automatic recovery of screen is smooth scheduling problem. Improving the high temperature resistance of the screen material itself is one way to solve the problem of high temperature reliability, but this way also causes limitations in the use of the material.
Disclosure of Invention
The application aims to provide a high-temperature screen protection device and method suitable for a folding mobile terminal, and the device and method are used for solving the problems that a screen film layer is peeled off and a screen cannot automatically restore to be flat in a high-temperature environment.
To achieve the above object, an aspect of the present invention provides a high temperature screen protection device for a foldable mobile terminal, the mobile terminal including a flexible display screen and a folding mechanism, the folding mechanism being assembled with the flexible display screen for making the flexible display screen in a folded state or a flattened state, the folding mechanism including a rotation axis along which the flexible display screen is folded or flattened, the device including:
the temperature sensor is used for detecting the ambient temperature;
the state sensor is used for detecting the state of the flexible display screen so as to indicate whether the flexible display screen is in the folded state or the flat state; and
state control module, set up in on the folding mechanism, with temperature sensor with state sensor is coupled, is used for working as ambient temperature surpasss predetermined threshold value just flexible display screen is in when fold condition, will flexible display screen shakeouts, makes flexible display screen is in shakeout state.
In an embodiment of the present application, the folding mechanism includes:
a pivoting member provided corresponding to the rotating shaft for allowing the folding mechanism to be folded or unfolded,
wherein the state control module comprises:
and the driving motor is connected or coupled with the pivoting piece of the folding mechanism and is used for driving the pivoting piece to flatten the folding mechanism so as to change the flexible display screen to the flattened state.
In an embodiment of the present application, the state control module includes:
the first magnetic element is arranged on the folding mechanism and is positioned on one side of the rotating shaft;
the second magnetic element is arranged on the folding mechanism and is positioned on the other side of the rotating shaft; and
a magnetic controller coupled to at least one of the first and second magnetic elements for controlling the magnetism of at least one of the first and second magnetic elements such that the magnetism of the first and second magnetic elements is the same to provide a repulsive force to move the flexible display screen to the flat state.
In an embodiment of the present application, the apparatus further includes:
and the alarm is used for sending out an alarm when the ambient temperature exceeds the preset threshold value.
In this application embodiment, the state control module is further used for when ambient temperature surpasss predetermined threshold value, it is not right the alarm that the siren sent responds, just flexible display screen is in when fold condition, will flexible display screen shakeouts, makes flexible display screen is in shakeout state.
Another aspect of the present application provides a high temperature screen protection method for a foldable mobile terminal, the mobile terminal including a flexible display screen and a folding mechanism assembled with the flexible display screen for making the flexible display screen in a folded state or a flattened state, the folding mechanism including a rotation axis along which the flexible display screen is folded or flattened, the method including:
detecting the ambient temperature by using a temperature sensor;
detecting the state of the flexible display screen by using a state sensor to indicate whether the flexible display screen is in the folded state or the flattened state; and
when the ambient temperature exceeds a preset threshold value and the flexible display screen is in the folded state, the flexible display screen is flattened, so that the flexible display screen is in the flattened state.
In this embodiment of the application, the step of making the flexible display screen be in the shakeout state includes:
and driving a pivoting piece of the folding mechanism to flatten the folding mechanism by using a driving motor, and further enabling the flexible display screen to move to the flattened state, wherein the pivoting piece corresponds to the rotating shaft and is used for allowing the folding mechanism to be folded or flattened.
In this embodiment of the application, the step of making the flexible display screen be in the shakeout state includes:
controlling magnetism of at least one of a first magnetic element arranged on the folding mechanism and positioned on one side of the rotating shaft and a second magnetic element arranged on the folding mechanism and positioned on the other side of the rotating shaft, so that the magnetism of the first magnetic element and the magnetism of the second magnetic element are the same, and providing repulsive force to enable the flexible display screen to move to the flatly-laid state.
In an embodiment of the present application, the method further includes:
and when the ambient temperature exceeds the preset threshold value, an alarm is sent out by using an alarm.
In this embodiment of the application, the step of making the flexible display screen be in the shakeout state includes:
when the ambient temperature exceeds a preset threshold value, the alarm sent by the alarm is not responded, and the flexible display screen is in the folded state, the flexible display screen is flattened, so that the flexible display screen is in the flattened state.
In this application, work as ambient temperature surpasss predetermined threshold value just flexible display screen is in during fold condition, will flexible display screen shakeouts, makes flexible display screen is in shakeout state. In a high-temperature environment, the flexible display screen can be automatically converted from a folded state to a flattened state, and the problems of film peeling, smoothness and the like of the flexible display screen under the high-temperature condition are avoided.
Drawings
Fig. 1 shows a block diagram of a high temperature screen saver according to the application.
Fig. 2 shows a perspective view of a high temperature screen protection device according to the present application.
Fig. 3 shows a schematic view of the folding mechanism in a closed state in the present application.
Fig. 4 is a schematic diagram illustrating the folding mechanism of the present application moving to a flat state.
FIG. 5 shows a flow diagram of a high temperature screen saver device according to the application.
Detailed Description
In order to make the purpose, technical solution and effect of the present application clearer and clearer, the present application is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the application and that the word "embodiment" as used in this specification is intended to serve as an example, instance, or illustration and is not intended to limit the application.
The application provides a high temperature screen protection device suitable for foldable mobile terminal (like cell-phone, panel computer etc.), avoids flexible display screen to be in the atress state of buckling under high temperature state, and under the high temperature state promptly, flexible display screen must keep leveling the state of not atress to guarantee that flexible screen does not break down under high temperature. Under high temperature environment, the device can drive flexible display screen and get back to the shakeout state from fold condition, guarantees that the screen is in the level and smooth unstressed state under the high temperature condition, avoids appearing the flexible display screen rete that the high temperature leads to and peels off (peeling) and unevenness (unevenness) scheduling problem.
Referring to fig. 1 and 2, the mobile terminal includes a flexible display (not shown) and a folding mechanism 10, wherein the folding mechanism 10 is assembled with the flexible display. For example, the folding mechanism 10 forms an accommodating space in which the flexible display screen is accommodated. The folding mechanism 10 is used to make the flexible display screen in a folded state or a flattened state. For example, the folding mechanism 10 itself may be foldable, and folding the folding mechanism 10 may bring the flexible display screen into a folded state. The folding mechanism 10 may include a rotating shaft 11 and a pivoting member 12 provided corresponding to the rotating shaft 11, and the folding mechanism 10 is divided into upper and lower two parts, which are pivotable by the pivoting member 12 and rotate along the rotating shaft 11. The flexible display screen may have a bending region (not shown) corresponding to the rotation axis 11 and non-bending regions (not shown) at both sides of the bending region. That is, the flexible display screen can be folded or unfolded along the rotation axis 11, i.e., from a folded state to an unfolded state, or from the unfolded state to a folded state.
The high temperature screen saver device of the present application includes a logic controller 21, a temperature sensor 22, a status sensor 23, and a status control module 24, which may optionally include an alarm 25. The logic controller 21 is used for receiving signals from the sensors and controlling the actuation of various functional elements according to a predetermined control logic. The logic controller 21 may be integrated on the motherboard of the mobile terminal or implemented by using the processor of the mobile terminal, or may be independently configured. A temperature sensor 22 and a status sensor 23 may be disposed on or fixed to the folding mechanism 10, the temperature sensor 22 is used for detecting the ambient temperature, and the status sensor is used for detecting the status of the flexible display screen to indicate whether the flexible display screen is in the folded state or the flat state. For example, the temperature sensor 22 may be a resistance type temperature sensor, and the status sensor is used to determine whether the flexible display screen is in a folded state or a flat state, and may be implemented by using an infrared sensor, a light sensor and an ultrasonic sensor. For example, the state sensor sends out a signal, and whether the flexible display screen is in a folded state or a flat state is judged according to the size of the reflected signal.
The state control module 24 is disposed on the folding mechanism 10 and coupled to the temperature sensor 22 and the state sensor 23. The state control module 24 is used to adjust the state of the flexible display, for example, to change the flexible display from a folded state to a flat state. State control module 24 may cause the flexible display to change states in one or more ways, some of which may contribute primarily to the state change and some of which may play a secondary role.
The logic controller 21 is connected or coupled to the temperature sensor 22, the status sensor 23 and the status control module 24. The logic controller 21 receives signals from the temperature sensor 22 and the state sensor 23, and controls the state control module 24 according to a predetermined control logic to adjust the state of the flexible display screen to be in a folded state or a flattened state. Specifically, the logic controller 21 determines whether the ambient temperature from the temperature sensor 22 exceeds a predetermined threshold (e.g., 40 ℃) and determines whether the flexible display screen status from the status sensor 23 is in the folded state. When the ambient temperature exceeds the predetermined threshold and the flexible display screen is in the folded state, the logic controller 21 controls the state control module 24 to flatten the flexible display screen, so that the flexible display screen is in the flattened state. The state control module 24 does not actuate when the ambient temperature does not exceed the predetermined threshold or when the ambient temperature exceeds the predetermined threshold but the flexible display screen is in the flat state. The high-temperature screen protection device can be provided with an independent power supply system, and normal operation can be guaranteed even if the mobile terminal is in a power-off state.
As shown in fig. 1 and 2, the state control module 24 includes a drive motor 241. The drive motor 241 is connected or coupled to the pivot member 12 of the folding mechanism 10. The drive motor 241 may be connected to the pivot member 12 directly or through a transmission mechanism (e.g., belt and gears) to the pivot member 12. The driving motor 241 is used for providing power, and when the driving motor 241 is matched with the pivoting member 12, the flexible display screen can be moved to the flat state or the folded state. When the ambient temperature exceeds the predetermined threshold and the flexible display is in the folded state, the logic controller 21 controls the driving motor 241 to drive the pivoting member 12 to flatten the folding mechanism 10, so as to move the flexible display to the flattened state. Fig. 3 shows the folding mechanism 10 in the closed state, and fig. 4 shows the folding mechanism 10 in the flattened state.
As shown in fig. 1 and 2, the state control module 24 includes a first magnetic element 242, a second magnetic element 243, and a magnetic controller 244. The first magnetic element 242 is disposed on the folding mechanism 10 on the side of the rotation shaft 11. The second magnetic element 243 is disposed on the folding mechanism 10 at the other side of the rotating shaft 11. For example, the first magnetic element 242 and the second magnetic element 243 are respectively located on two opposite sides of the folding mechanism 10. When the folding mechanism 10 or the flexible display screen is in the folded state, the first magnetic element 242 and the second magnetic element 243 are close to each other. When the folding mechanism 10 or the flexible display screen is in the flat state, the first magnetic element 242 and the second magnetic element 243 are far away from each other. The magnetic controller 244 is coupled with at least one of the first and second magnetic elements 242, 243. When the ambient temperature exceeds a predetermined threshold and the flexible display screen is in the folded state, the magnetic controller 244 controls the magnetism of at least one of the first magnetic element 242 and the second magnetic element 243 such that the magnetism of the first magnetic element 242 and the second magnetic element 243 is the same to provide a repulsive force to move the flexible display screen to the flattened state. When the folding mechanism 10 is closed, the magnetic controller 244 controls the magnetism of at least one of the first and second magnetic elements 242, 243 (e.g., by a change in current) such that the magnetism of the first and second magnetic elements 242, 243 is opposite to provide an attractive force to maintain the folding mechanism 10 in the folded state. Of course, the magnetic controller 244 may also be coupled with both the first magnetic element 242 and the second magnetic element 243, as long as the first magnetic element 242 and the second magnetic element 243 can be controlled to repel or attract each other.
In the present embodiment, the state of the flexible display panel is changed by driving the motor 241, and the magnetic driving unit including the first magnetic element 242, the second magnetic element 243 and the magnetic controller 244 plays an auxiliary role. Therefore, the action of folding or flattening the flexible display screen is smoother.
Optionally, the alarm 25 is adapted to issue an alarm to alert the user when the ambient temperature exceeds a predetermined threshold. The alarm 25 may be an audible alarm or indicator light, which may be a separate component or may be integrated into a speaker or indicator light built into the mobile terminal. When the ambient temperature exceeds a predetermined threshold and the alarm 25 sounds an alarm, the user may respond to the alarm from the alarm 25 and the logic controller 21 may decide whether to control the state control module 24 to flatten the flexible display screen based on the user's response. The response to the alarm from the user annunciator 25 may be to turn the alarm off via a button, to manually flatten the flexible display screen (which may be done by detecting the flexed state of the flexible display screen), or to make a predefined action. If the user responds, state control module 24 may not perform an action. If the user does not respond and the flexible display screen is in the folded state, the logic controller 21 controls the state control module 24 to flatten the flexible display screen, so that the flexible display screen is in the flattened state.
In this application, work as ambient temperature surpasss predetermined threshold value just flexible display screen is in during fold condition, will flexible display screen shakeouts, makes flexible display screen is in shakeout state. In a high-temperature environment, the flexible display screen can be automatically converted from a folded state to a flattened state, and the problems of film peeling, smoothness and the like of the flexible display screen under the high-temperature condition are avoided.
Referring to fig. 1 to 4 and fig. 5, the present application also provides a high temperature screen protection method, which includes the following steps:
step S10, detecting the environmental temperature by using a temperature sensor;
step S20, detecting the state of the flexible display screen by using a state sensor to indicate whether the flexible display screen is in the folded state or the flat state; and
step S30, when the ambient temperature exceeds a predetermined threshold and the flexible display screen is in the folded state, the flexible display screen is flattened so that the flexible display screen is in the flattened state.
In this embodiment of the application, the step of making the flexible display screen be in the shakeout state includes:
and driving a pivoting piece of the folding mechanism to flatten the folding mechanism by using a driving motor, and further enabling the flexible display screen to move to the flattened state, wherein the pivoting piece corresponds to the rotating shaft and is used for allowing the folding mechanism to be folded or flattened.
In this embodiment of the application, the step of making the flexible display screen be in the shakeout state includes:
controlling magnetism of at least one of a first magnetic element arranged on the folding mechanism and positioned on one side of the rotating shaft and a second magnetic element arranged on the folding mechanism and positioned on the other side of the rotating shaft, so that the magnetism of the first magnetic element and the magnetism of the second magnetic element are the same, and providing repulsive force to enable the flexible display screen to move to the flatly-laid state.
In an embodiment of the present application, the method further includes:
and when the ambient temperature exceeds the preset threshold value, an alarm is sent out by using an alarm.
In this embodiment of the application, the step of making the flexible display screen be in the shakeout state includes:
when the ambient temperature exceeds a preset threshold value, the alarm sent by the alarm is not responded, and the flexible display screen is in the folded state, the flexible display screen is flattened, so that the flexible display screen is in the flattened state.
For other details of the high temperature screen protection method of the present application, reference may be made to the above description of the high temperature screen protection device, and further description is omitted here.
In summary, although the present application has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present application, and those skilled in the art can make various changes and modifications without departing from the scope of the present application, so that the scope of the present application shall be determined by the appended claims.
Claims (6)
1. A high temperature screen saver device for a foldable mobile terminal, the mobile terminal comprising a flexible display screen and a folding mechanism assembled with the flexible display screen for holding the flexible display screen in a folded or flattened state, the folding mechanism comprising a rotation axis along which the flexible display screen is folded or flattened, the device comprising:
the temperature sensor is used for detecting the ambient temperature;
the state sensor is used for detecting the state of the flexible display screen so as to indicate whether the flexible display screen is in the folded state or the flat state; and
the state control module is arranged on the folding mechanism, coupled with the temperature sensor and the state sensor, and used for flattening the flexible display screen when the environment temperature exceeds a preset threshold value and the flexible display screen is in the folded state, so that the flexible display screen is in the flattened state;
wherein, the folding mechanism includes:
a pivoting member provided corresponding to the rotating shaft for allowing the folding mechanism to be folded or unfolded;
wherein the state control module comprises:
the driving motor is connected or coupled with the pivoting piece of the folding mechanism and is used for driving the pivoting piece to enable the folding mechanism to be flattened so as to enable the flexible display screen to be changed to the flattened state; and
wherein the state control module comprises:
the first magnetic element is arranged on the folding mechanism and is positioned on one side of the rotating shaft;
the second magnetic element is arranged on the folding mechanism and is positioned on the other side of the rotating shaft; and
a magnetic controller coupled to at least one of the first and second magnetic elements for controlling the magnetism of at least one of the first and second magnetic elements such that the magnetism of the first and second magnetic elements is the same to provide a repulsive force to move the flexible display screen to the flat state.
2. The high temperature screen protection device of claim 1, wherein the device further comprises:
and the alarm is used for sending out an alarm when the ambient temperature exceeds the preset threshold value.
3. A high temperature screen protection device as claimed in claim 2, wherein: the state control module is further used for when ambient temperature surpasss predetermined threshold value, not right the alarm that the alarm sent responds, just flexible display screen is in during folded condition, will flexible display screen shakeouts, makes flexible display screen is in shakeout state.
4. A high temperature screen protection method for a foldable mobile terminal, the mobile terminal comprising a flexible display screen and a folding mechanism, the folding mechanism being assembled with the flexible display screen for making the flexible display screen in a folded state or a flattened state, the folding mechanism comprising a rotation axis along which the flexible display screen is folded or flattened, the method comprising:
detecting the ambient temperature by using a temperature sensor;
detecting the state of the flexible display screen by using a state sensor to indicate whether the flexible display screen is in the folded state or the flattened state; and
when the environment temperature exceeds a preset threshold value and the flexible display screen is in the folded state, flattening the flexible display screen to enable the flexible display screen to be in the flattened state;
wherein the step of bringing the flexible display screen into the flattened state comprises:
driving a pivoting piece of the folding mechanism to flatten the folding mechanism by using a driving motor, and further enabling the flexible display screen to move to the flattened state, wherein the pivoting piece corresponds to the rotating shaft and is used for allowing the folding mechanism to be folded or flattened; and
wherein the step of bringing the flexible display screen into the flattened state comprises:
controlling magnetism of at least one of a first magnetic element arranged on the folding mechanism and positioned on one side of the rotating shaft and a second magnetic element arranged on the folding mechanism and positioned on the other side of the rotating shaft, so that the magnetism of the first magnetic element and the magnetism of the second magnetic element are the same, and providing repulsive force to enable the flexible display screen to move to the flatly-laid state.
5. The high temperature screen saver method of claim 4 wherein the method further comprises:
and when the ambient temperature exceeds the preset threshold value, an alarm is sent out by using an alarm.
6. The high temperature screen saver method of claim 5 wherein the step of bringing the flexible display screen into the flat position comprises:
when ambient temperature surpasss predetermined threshold value, it is not right the alarm that the alarm sent responds, just flexible display screen is in during fold condition, will flexible display screen shakeouts, makes flexible display screen is in shakeouts the state.
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| CN201910147769.9A CN109951581B (en) | 2019-02-27 | 2019-02-27 | High-temperature screen protection device and method suitable for folding mobile terminal |
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| CN201910147769.9A CN109951581B (en) | 2019-02-27 | 2019-02-27 | High-temperature screen protection device and method suitable for folding mobile terminal |
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| CN110379313B (en) * | 2019-07-26 | 2021-06-11 | 昆山工研院新型平板显示技术中心有限公司 | Foldable flexible display panel and foldable display device |
| NL2024020B1 (en) * | 2019-10-15 | 2021-06-17 | Microsoft Technology Licensing Llc | Dynamically switching display in use based on temperature |
| CN112051892A (en) * | 2020-08-12 | 2020-12-08 | 武汉华星光电半导体显示技术有限公司 | Mobile terminal |
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