CN110113482B - Display screen power supply method and device, storage medium and mobile terminal - Google Patents
Display screen power supply method and device, storage medium and mobile terminal Download PDFInfo
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- CN110113482B CN110113482B CN201910312607.6A CN201910312607A CN110113482B CN 110113482 B CN110113482 B CN 110113482B CN 201910312607 A CN201910312607 A CN 201910312607A CN 110113482 B CN110113482 B CN 110113482B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72448—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
- H04M1/72454—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions according to context-related or environment-related conditions
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Abstract
The embodiment of the application provides a display screen power supply method, a display screen power supply device, a storage medium and a mobile terminal, wherein the method comprises the following steps: when the mobile terminal is started, setting the power supply voltage of the display screen as an initial power supply voltage; detecting to obtain a first power supply voltage by taking the initial power supply voltage as an initial value and taking the first added value as an increment; detecting to obtain a second power supply voltage by taking the first power supply voltage as an initial value and taking the second added value as an increment; detecting to obtain a third power supply voltage by taking the second power supply voltage as an initial value and taking a third added value as an increment; determining a third power supply voltage as a target power supply voltage of the display screen; the target power supply voltage is recorded, and the target power supply voltage is used for continuously supplying power to the display screen, so that accurate power supply voltage can be adaptively provided for the display screen, and the display stability of the mobile terminal is maintained.
Description
Technical Field
The present application relates to the field of electronic communications technologies, and in particular, to a method and an apparatus for supplying power to a display screen, a storage medium, and a mobile terminal.
Background
At present, in order to make a display area on a mobile terminal larger, the mobile terminal generally adopts a large-screen display screen, the large-screen display screen is easy to damage when falling or colliding, a new display screen needs to be replaced at the moment, the new display screen possibly has the problem of inconsistency with the original display screen due to production batches and other reasons, but the mobile terminal still uses the power supply voltage matched with the original display screen to supply power for the new display screen at the moment, so that the power supply is easy to be unstable, the normal use of the display screen is influenced, and even the display screen can be burnt.
Therefore, the prior art has defects and needs to be improved and developed.
Disclosure of Invention
The embodiment of the application provides a display screen power supply method and device, a storage medium and a mobile terminal, which can adaptively detect the power supply voltage of a display screen, so that the mobile terminal provides accurate power supply voltage for the display screen, and the display stability of the mobile terminal is maintained.
The embodiment of the application provides a power supply method for a display screen, which comprises the following steps:
when the mobile terminal is started, setting the power supply voltage of the display screen as an initial power supply voltage;
detecting to obtain a first power supply voltage by taking the initial power supply voltage as an initial value and taking a first added value as an increment;
detecting to obtain a second power supply voltage by taking the first power supply voltage as an initial value and a second added value as an increment;
detecting to obtain a third power supply voltage by taking the second power supply voltage as an initial value and taking a third added value as an increment;
determining the third power supply voltage as a target power supply voltage of the display screen;
and recording the target power supply voltage, and continuously supplying power to the display screen by using the target power supply voltage.
In the power supply method for the display screen, the first added value is greater than the second added value, and the second added value is greater than the third added value.
In the display screen power supply method according to the embodiment of the present application, the detecting to obtain the first power supply voltage by using the initial power supply voltage as an initial value and using the first added value as an increment includes:
increasing the initial supply voltage by a first increase value of one unit to obtain a first test supply voltage;
judging whether the display screen is lightened under the power supply of the first test power supply voltage;
if the display screen is not lighted under the power supply of the first test power supply voltage, continuing to increase the first increase value by one unit until the display screen is lighted under the power supply of the second test power supply voltage;
determining the value of the second test supply voltage minus the first increment value of the one unit as the first supply voltage.
In the display screen power supply method according to the embodiment of the present application, the detecting to obtain the second power supply voltage by using the first power supply voltage as a starting value and using the second added value as an increment includes:
increasing the first supply voltage by a second increase value of one unit to obtain a third test supply voltage;
judging whether the display screen is lightened under the power supply of the third test power supply voltage;
if the display screen is not lighted under the power supply of the third test power supply voltage, continuing to increase a unit of second increase value until the display screen is lighted under the power supply of a fourth test power supply voltage;
determining a value of the fourth test supply voltage minus the second increment value of the one unit as a second supply voltage.
In the display screen power supply method according to the embodiment of the present application, the detecting to obtain the third power supply voltage by using the second power supply voltage as a starting value and using the third added value as an increment includes:
increasing the second supply voltage by a third increment value of one unit to obtain a fifth test supply voltage;
judging whether the display screen is lightened under the power supply of the fifth test power supply voltage;
if the display screen is not lighted under the power supply of the fifth test power supply voltage, continuing to increase a unit of third increase value until the display screen is lighted under the power supply of a sixth test power supply voltage;
determining a value of the sixth test supply voltage minus the third incremental value of the unit as a third supply voltage.
In the display screen power supply method according to the embodiment of the present application, the method further includes:
and when a shutdown instruction is received, clearing the recorded target power supply voltage.
The embodiment of the present application further provides a display screen power supply device, the device includes:
the mobile terminal comprises a setting module, a display module and a control module, wherein the setting module is used for setting the power supply voltage of the display screen as an initial power supply voltage when the mobile terminal is started;
the first detection module is used for detecting and obtaining a first power supply voltage by taking the initial power supply voltage as an initial value and taking a first added value as an increment;
the second detection module is used for detecting and obtaining a second power supply voltage by taking the first power supply voltage as an initial value and a second added value as an increment;
the third detection module is used for detecting and obtaining a third power supply voltage by taking the second power supply voltage as an initial value and a third added value as an increment;
the determining module is used for determining the third power supply voltage as a target power supply voltage of the display screen;
and the power supply module is used for recording the target power supply voltage and continuously supplying power to the display screen by using the target power supply voltage.
In the display screen power supply device according to the embodiment of the present application, the device further includes:
and the clearing module is used for clearing the recorded target power supply voltage when a shutdown instruction is received.
The embodiment of the application also provides a storage medium, wherein a computer program is stored in the storage medium, and when the computer program runs on a computer, the computer is enabled to execute the display screen power supply method.
The embodiment of the application also provides a mobile terminal, which comprises a processor and a memory, wherein the memory is stored with a computer program, and the processor is used for executing the display screen power supply method by calling the computer program stored in the memory.
According to the embodiment of the application, when the mobile terminal is started, the power supply voltage of the display screen is set to be the initial power supply voltage; detecting to obtain a first power supply voltage by taking the initial power supply voltage as an initial value and taking the first added value as an increment; detecting to obtain a second power supply voltage by taking the first power supply voltage as an initial value and taking the second added value as an increment; detecting to obtain a third power supply voltage by taking the second power supply voltage as an initial value and taking a third added value as an increment; determining a third power supply voltage as a target power supply voltage of the display screen; and recording the target power supply voltage, and continuously supplying power to the display screen at the target power supply voltage. This application embodiment uses the display screen and because this display screen is because of breaking into pieces, behind the reason such as trouble change new display screen, can detect the supply voltage of new display screen adaptively to make mobile terminal provide accurate supply voltage for the display screen, maintain mobile terminal's demonstration stability, avoided the unstable normal use that influences of display screen power supply, even with the problem that the display screen burns out.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings used in the description of the embodiments will be briefly introduced below. It is obvious that the drawings in the following description are only some embodiments of the application, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
Fig. 1 is a schematic flow chart of a display screen power supply method provided in an embodiment of the present application.
Fig. 2 is another schematic flow chart of a display screen power supply method according to an embodiment of the present application.
Fig. 3 is a schematic structural diagram of a display screen power supply device according to an embodiment of the present application.
Fig. 4 is another schematic structural diagram of the display screen power supply device according to the embodiment of the present application.
Fig. 5 is a schematic structural diagram of a display screen power supply device according to an embodiment of the present application.
Fig. 6 is a schematic structural diagram of a display screen power supply device according to an embodiment of the present application.
Fig. 7 is a schematic structural diagram of a mobile terminal according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without inventive step, are within the scope of the present application.
At present, in order to make a display area on a mobile terminal larger, the mobile terminal generally adopts a large-screen display screen, the large-screen display screen is easy to damage when falling or colliding, a new display screen needs to be replaced at the moment, the new display screen possibly has the problem of inconsistency with the original display screen due to production batches and other reasons, but the mobile terminal still uses the power supply voltage matched with the original display screen to supply power for the new display screen at the moment, so that the power supply is easy to be unstable, the normal use of the display screen is influenced, and even the display screen can be burnt.
Therefore, the embodiment of the application provides a display screen power supply method, a display screen power supply system, a storage medium and a mobile terminal, after a display screen is used in the mobile terminal and a new display screen is replaced due to the display screen being broken, broken and the like, the power supply voltage of the new display screen can be detected in a self-adaptive manner, so that the mobile terminal can provide accurate power supply voltage for the display screen, the display stability of the mobile terminal is maintained, and the problems that the normal use is influenced by the unstable power supply of the display screen and even the display screen is burnt out are solved.
The embodiment of the application provides a display screen power supply method which can be applied to a mobile terminal. The mobile terminal can be a smart phone, a tablet computer, a smart watch and other devices.
Referring to fig. 1, fig. 1 is a schematic flow chart of a power supply method for a display screen according to an embodiment of the present disclosure. The display screen power supply method is applied to a mobile terminal with a display screen, and can comprise the following steps:
For example, each time the mobile terminal is powered on, the power supply voltage V of the display screen is set to the initial power supply voltage V0.
The display screen can be any one of LCD, LED, OLED and the like.
For example, the first supply voltage V1 is detected by the first increment Δ V1 with the initial supply voltage V0 as a starting value.
In some embodiments, the step 102 may be implemented by the following steps:
step A, increasing the initial power supply voltage by a first increase value of one unit to obtain a first test power supply voltage;
and B, judging whether the display screen is lightened under the power supply of the first test power supply voltage.
Step C, if the display screen is not lightened under the power supply of the first test power supply voltage, continuously increasing a first increment value of one unit until the display screen is lightened under the power supply of a second test power supply voltage;
and D, determining the value obtained by subtracting the first increasing value of one unit from the second test power supply voltage as the first power supply voltage.
Specifically, the power supply voltage V of the display screen is set to be V0, the initial power supply voltage V0 is increased by a unit increment value Δ V1, at this time, the power supply voltage V of the display screen is adjusted to be the first test power supply voltage V1 ═ V + Δ V1, at this time, V ═ V0;
secondly, judging whether the display screen is lightened under the power supply of the first test power supply voltage V1';
then, if the display screen is lighted up under the power supply of the first test power supply voltage V1 ', determining a value obtained by subtracting the first increment value Δ V1 of one unit from the first test power supply voltage V1 ' as a first power supply voltage V1, that is, the first power supply voltage V1 is V- Δ V1, and at this time, V is V1 '; or
If the display screen is not lighted under the power supply of the first test power supply voltage V1 ', continuously increasing a unit of first added value delta V1, then judging whether the display screen is lighted, if not, continuously increasing a unit of first added value delta V1 until the display screen is lighted under the power supply of a second test power supply voltage V2';
finally, the value of the second test supply voltage V2 'minus the one-unit first increment Δ V1 is determined as the first supply voltage V1, i.e., the first supply voltage V1 ═ V- Δ V1, in this case V ═ V2'.
For a further understanding of the examples of the present application, the following are illustrated:
step 1, firstly, setting a power supply voltage V of a display screen as an initial power supply voltage V0, for example, the initial power supply voltage V0 is 100 millivolts, and a first added value delta V1 is 100 millivolts;
step 2, setting the power supply voltage V of the display screen to be 100+100 ═ 200 (millivolts) for detection, and judging whether the backlight of the display screen is lightened, if so, detecting that the first power supply voltage V1 of the display screen is 200-;
step 3, if not, setting the power supply voltage V of the display screen to be 200+100 to 300 (millivolts), continuing to detect, and judging whether the backlight of the display screen is lighted, if so, detecting that the first power supply voltage V1 of the display screen is 300-;
step 4, if not, setting the power supply voltage V of the display screen to be 300+100 ═ 400 (millivolts) to continue to detect, and judging whether the backlight of the display screen is lightened, if so, detecting that the first power supply voltage V1 of the display screen is 400-;
similar to step 3 or step 4 is repeated until the power supply voltage V of the display panel is set to X +100 (millivolts) for detection, and when the backlight of the display panel is judged to be lit, the first power supply voltage V1 of the display panel is detected to be (X +100) -100 ═ X (millivolts). For example, when the power supply voltage V of the display panel is set to 4400+100 (millivolts) and the backlight of the display panel is determined to be lit, the first power supply voltage V1 of the display panel is detected to be 4500-.
Wherein the first increment value is greater than the second increment value. Although the display panel can be lighted by adding the first power supply voltage V1 and the first increment Δ V1 detected in step 102, the first increment Δ V1 may be set to be relatively large, and it is possible that the first power supply voltage V1 and the first increment Δ V1 detected above are not the optimal power supply voltage of the display panel, and at this time, a second increment Δ V2 smaller than the first increment Δ V1 needs to be set to continue the detection, in order to expect to detect the true optimal power supply voltage of the display panel.
In some embodiments, the step 103 may be implemented by the following steps:
step E, increasing the first power supply voltage by a unit of second increase value to obtain a third test power supply voltage;
step F, judging whether the display screen is lightened under the power supply of the third test power supply voltage;
step G, if the display screen is not lightened under the power supply of the third test power supply voltage, continuously increasing a unit of second added value until the display screen is lightened under the power supply of a fourth test power supply voltage;
and step H, determining the value obtained by subtracting the second increment value of one unit from the fourth test power supply voltage as a second power supply voltage.
Specifically, the supply voltage V of the display screen is first set to be V1, the first supply voltage V1 is increased by a unit of second increase value Δ V2, at this time, the supply voltage V of the display screen is adjusted to be the third test supply voltage V3 ═ V + Δ V2, at this time, V ═ V1;
secondly, judging whether the display screen is lightened under the power supply of the third test power supply voltage V3';
then, if the display screen is lighted up under the power supply of the third test power supply voltage V3 ', a value obtained by subtracting the second increment Δ V2 of one unit from the third test power supply voltage V3 ' is determined as a second power supply voltage V2, that is, the second power supply voltage V2 is V- Δ V2, and at this time, V is V3 '; or
If the display screen is not lighted under the power supply of the third test power supply voltage V3 ', continuing to increase the second increase value delta V2 by one unit, then judging whether the display screen is lighted, if not, continuing to increase the second increase value delta V2 by one unit until the display screen is lighted under the power supply of the fourth test power supply voltage V4';
finally, the value of the fourth test supply voltage V4 'minus the one-unit second increment Δ V2 is determined as the second supply voltage V2, i.e., the second supply voltage V2 ═ V- Δ V2, in this case V ═ V4'.
For a further understanding of the examples of the present application, the following are illustrated:
step 1, firstly, setting the power supply voltage of the display screen as a first power supply voltage V1, for example, the first power supply voltage V1 is 4400 millivolts, and the second added value Δ V2 is 50 millivolts;
step 2, setting the power supply voltage V of the display screen to 4400+ 50-4450 (millivolts) for detection, and judging whether the backlight of the display screen is lightened, if so, detecting that the second power supply voltage V2 of the display screen is 4450-50-4400 (millivolts);
and step 3, if not, setting the power supply voltage V of the display screen to be 4450+50 to 4500 (millivolts), continuously detecting, judging whether the backlight of the display screen is lightened, and if so, detecting that the second power supply voltage V2 of the display screen is 4500-50 to 4450 (millivolts).
And 104, detecting to obtain a third power supply voltage by taking the second power supply voltage as an initial value and taking a third added value as an increment.
Wherein the third increment value is less than the second increment value. Although the second power supply voltage V2 plus the second increment Δ V2 detected in step 103 may illuminate the display screen, the second increment Δ V2 may also be set to be larger, and it is possible that the detected second power supply voltage V2 plus the second increment Δ V2 is not the optimal power supply voltage of the display screen, and at this time, a third increment Δ V3 smaller than the second increment Δ V2 needs to be set to continue the detection, in order to expect to detect the true optimal power supply voltage of the display screen.
In some embodiments, the step 104 may be implemented by the following steps:
step I, increasing the second power supply voltage by a unit third increased value to obtain a fifth test power supply voltage;
step J, judging whether the display screen is lightened under the power supply of the fifth test power supply voltage;
step K, if the display screen is not lit up under the power supply of the fifth test power supply voltage, continuing to increase a third increase value of one unit until the display screen is lit up under the power supply of a sixth test power supply voltage;
and step L, determining a value obtained by subtracting the third increment value of one unit from the sixth test power supply voltage as a third power supply voltage.
Specifically, the supply voltage V of the display screen is first set to be V2, the second supply voltage V2 is increased by a unit third increase value Δ V3, at this time, the supply voltage V of the display screen is adjusted to be the fifth test supply voltage V5 ═ V + Δ V3, at this time, V ═ V2;
secondly, judging whether the display screen is lightened under the power supply of the fifth test power supply voltage V5';
then, if the display screen is lighted up under the power supply of the fifth test power supply voltage V3 ', a value obtained by subtracting the third added value Δ V3 of one unit from the fifth test power supply voltage V5 ' is determined as a third power supply voltage V3, that is, the third power supply voltage V3 is V- Δ V3, and at this time, V is V5 '; or
If the display screen is not lighted under the power supply of the fifth test power supply voltage V5 ', continuously increasing a unit of third added value delta V3, then judging whether the display screen is lighted, if not, continuously increasing a unit of third added value delta V3 until the display screen is lighted under the power supply of a sixth test power supply voltage V6';
finally, the value of the sixth test supply voltage V6 'minus the one-unit third incremental value Δ V3 is determined as the third supply voltage V3, i.e., the third supply voltage V3 ═ V- Δ V3, in this case V ═ V6'.
For a further understanding of the examples of the present application, the following are illustrated:
step 1, firstly, setting the power supply voltage of the display screen as a second power supply voltage V2, for example, the second power supply voltage V2 is 4450 millivolts, and the third added value delta V3 is 10 millivolts;
step 2, setting the power supply voltage V of the display screen to 4450+10 to 4460 (millivolts) for detection, and judging whether the backlight of the display screen is lightened, if so, detecting that the third power supply voltage V3 of the display screen is 4460-10 to 4450 (millivolts);
and step 3, if not, setting the power supply voltage V of the display screen to 4460+10 to 4470 (millivolts), continuously detecting, judging whether the backlight of the display screen is lightened, and if so, detecting that the third power supply voltage V3 of the display screen is 4470-10 to 4460 (millivolts).
If not, setting the power supply voltage V of the display screen to 4470+10 to 4480 (millivolts), continuously detecting, judging whether the backlight of the display screen is lightened, and if so, detecting that the third power supply voltage V3 of the display screen is 4480-10 to 4470 (millivolts);
step 4, if not, setting the power supply voltage V of the display screen to 4490 (millivolt) for 4480+10, continuing to detect, and judging whether the backlight of the display screen is lighted, if so, detecting that the third power supply voltage V3 of the display screen is 4490-10 (millivolt) for 4480 (millivolt);
repeating the steps similar to step 3 or step 4 until the power supply voltage V of the display screen is set to X +10 (millivolts) for detection, and when the backlight of the display screen is judged to be lit, detecting that the third power supply voltage V3 of the display screen is (X +10) -10 ═ X (millivolts). For example, when the power supply voltage V for setting the display panel to 4490+10 is detected to 4500 (millivolts) and the backlight of the display panel is judged to be lit, the third power supply voltage V3 for the display panel is detected to be 4500-10 to 4490 (millivolts).
And 105, determining the third power supply voltage as a target power supply voltage of the display screen.
For example, 4490 mv of the third power supply voltage V3 is determined as the target power supply voltage of the display screen, which is the real optimal power supply voltage of the display screen.
And 106, recording the target power supply voltage, and continuously supplying power to the display screen by using the target power supply voltage.
For example, recording the target power supply voltage 4490 mv and continuously supplying power to the display screen at the target power supply voltage 4490 mv can provide an optimal power supply voltage for the display screen to maintain the display stability of the mobile terminal.
All the above optional technical solutions may be combined arbitrarily to form optional embodiments of the present application, and are not described herein again.
In particular implementation, the present application is not limited by the execution sequence of the described steps, and some steps may be performed in other sequences or simultaneously without conflict.
Referring to fig. 2, fig. 2 is another schematic flow chart of a power supply method for a display screen according to an embodiment of the present disclosure. The power supply method for the display screen can comprise the following steps:
And step 206, recording the target power supply voltage, and continuously supplying power to the display screen by using the target power supply voltage. Step 206 may refer to step 106, and will not be described herein.
When the mobile terminal is restarted after shutdown, the display screen of the mobile terminal may be replaced or the current power supply voltage of the display screen is no longer the optimal power supply voltage due to aging and other reasons, so that the recorded target power supply voltage is cleared each time a shutdown instruction is received, so that the optimal power supply voltage is matched for the display screen again when the mobile terminal is started next time.
In addition, whether to clear the recorded target power supply voltage can be judged after the next startup. Because the operation burden of the mobile terminal can be increased when the power supply method is enabled every time the mobile terminal is started, display screen parameters, such as the model, the dot pitch, the resolution, the scanning frequency, the number of lighted pixel points and other parameters of the display screen, are acquired in advance every time the mobile terminal is started, and the display screen parameters acquired when the mobile terminal is started at this time are compared with the display screen parameters acquired when the mobile terminal is started at the last time. If the difference between the power supply voltage and the target power supply voltage is not different or very small, the display screen is not replaced, the last recorded target power supply voltage is not cleared, and the target power supply voltage matched with the last power supply voltage is continuously used. If the difference between the two voltages is obvious, the display screen is replaced or the display screen is obviously aged, the last recorded target power supply voltage is cleared, the power supply method is enabled, and the new target power supply voltage is matched again.
In view of the above, in the display screen power supply method provided in the embodiment of the present application, when the mobile terminal is turned on, the power supply voltage of the display screen is set to be the initial power supply voltage; detecting to obtain a first power supply voltage by taking the initial power supply voltage as an initial value and taking the first added value as an increment; detecting to obtain a second power supply voltage by taking the first power supply voltage as an initial value and taking the second added value as an increment; detecting to obtain a third power supply voltage by taking the second power supply voltage as an initial value and taking a third added value as an increment; determining a third power supply voltage as a target power supply voltage of the display screen; and recording the target power supply voltage, and continuously supplying power to the display screen at the target power supply voltage. This application embodiment uses the display screen and because this display screen is because of breaking into pieces, behind the reason such as trouble change new display screen, can detect the supply voltage of new display screen adaptively to make mobile terminal provide accurate supply voltage for the display screen, maintain mobile terminal's demonstration stability, avoided the unstable normal use that influences of display screen power supply, even with the problem that the display screen burns out.
The embodiment of the application further provides a display screen power supply device, the display screen power supply device can be integrated in the mobile terminal, and the mobile terminal can be a smart phone, a tablet computer, a smart watch and other devices.
Referring to fig. 3, fig. 3 is a schematic structural diagram of a display screen power supply device according to an embodiment of the present application. The display screen power supply device 30 may include: the device comprises a setting module 31, a first detection module 32, a second detection module 33, a third detection module 34, a determination module 35 and a power supply module 36.
The setting module 31 is configured to set a power supply voltage of the display screen as an initial power supply voltage when the mobile terminal is turned on;
the first detecting module 32 is configured to detect to obtain a first power supply voltage by using the initial power supply voltage as an initial value and using a first added value as an increment;
the second detecting module 33 is configured to detect a second power supply voltage by using the first power supply voltage as an initial value and using a second added value as an increment;
the third detecting module 34 is configured to detect a third power supply voltage by using the second power supply voltage as an initial value and using a third added value as an increment;
the determining module 35 is configured to determine the third power supply voltage as a target power supply voltage of the display screen
The power supply module 36 is configured to record the target power supply voltage, and continuously supply power to the display screen with the target power supply voltage.
In some embodiments, the first increment value is greater than the second increment value, and the second increment value is greater than the third increment value.
In some embodiments, the first detection module 32 is configured to:
increasing the initial supply voltage by a first increase value of one unit to obtain a first test supply voltage;
judging whether the display screen is lightened under the power supply of the first test power supply voltage;
if the display screen is not lighted under the power supply of the first test power supply voltage, continuing to increase the first increase value by one unit until the display screen is lighted under the power supply of the second test power supply voltage;
determining the value of the second test supply voltage minus the first increment value of the one unit as the first supply voltage.
In some embodiments, the second detection module 33 is configured to:
increasing the first supply voltage by a second increase value of one unit to obtain a third test supply voltage;
judging whether the display screen is lightened under the power supply of the third test power supply voltage;
if the display screen is not lighted under the power supply of the third test power supply voltage, continuing to increase a unit of second increase value until the display screen is lighted under the power supply of a fourth test power supply voltage;
determining a value of the fourth test supply voltage minus the second increment value of the one unit as a second supply voltage.
In some embodiments, the third detection module 34 is configured to:
increasing the second supply voltage by a third increment value of one unit to obtain a fifth test supply voltage;
judging whether the display screen is lightened under the power supply of the fifth test power supply voltage;
if the display screen is not lighted under the power supply of the fifth test power supply voltage, continuing to increase a unit of third increase value until the display screen is lighted under the power supply of a sixth test power supply voltage;
determining a value of the sixth test supply voltage minus the third incremental value of the unit as a third supply voltage.
Referring to fig. 4, fig. 4 is another schematic structural diagram of a display screen power supply device according to an embodiment of the present disclosure. Fig. 4 differs from fig. 3 in that the display panel power supply device 30 further includes: a purge module 37.
Wherein the clearing module 37 is configured to clear the recorded target power supply voltage when a shutdown instruction is received.
Referring to fig. 5, fig. 5 is a schematic view of another structure of the display power supply apparatus according to the embodiment of the present disclosure, in which the display power supply apparatus 30 includes a memory 120, one or more processors 180, and one or more application programs, where the one or more application programs are stored in the memory 120 and configured to be executed by the processor 180; the processor 180 may include an adjustment module 31, an acquisition module 32, and a calculation module 33. For example, the structures and connection relationships of the above components may be as follows:
the memory 120 may be used to store applications and data. The memory 120 stores applications containing executable code. The application programs may constitute various functional modules. The processor 180 executes various functional applications and data processing by running the application programs stored in the memory 120. Further, the memory 120 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device. Accordingly, the memory 120 may also include a memory controller to provide the processor 180 with access to the memory 120.
The processor 180 is a control center of the system, connects various parts of the entire terminal using various interfaces and lines, performs various functions of the system and processes data by running or executing an application program stored in the memory 120 and calling data stored in the memory 120, thereby monitoring the system as a whole. Optionally, processor 180 may include one or more processing cores; preferably, the processor 180 may integrate an application processor and a modem processor, wherein the application processor mainly processes an operating system, a user interface, an application program, and the like.
Specifically, in this embodiment, the processor 180 loads the executable code corresponding to the process of one or more application programs into the memory 120 according to the following instructions, and the processor 180 runs the application programs stored in the memory 120, thereby implementing various functions:
the setting module 31 is configured to set a power supply voltage of the display screen as an initial power supply voltage when the mobile terminal is turned on;
the first detecting module 32 is configured to detect to obtain a first power supply voltage by using the initial power supply voltage as an initial value and using a first added value as an increment;
the second detecting module 33 is configured to detect a second power supply voltage by using the first power supply voltage as an initial value and using a second added value as an increment;
the third detecting module 34 is configured to detect a third power supply voltage by using the second power supply voltage as an initial value and using a third added value as an increment;
the determining module 35 is configured to determine the third power supply voltage as a target power supply voltage of the display screen
The power supply module 36 is configured to record the target power supply voltage, and continuously supply power to the display screen with the target power supply voltage.
In some embodiments, the first increment value is greater than the second increment value, and the second increment value is greater than the third increment value.
In some embodiments, the first detection module 32 is configured to:
increasing the initial supply voltage by a first increase value of one unit to obtain a first test supply voltage;
judging whether the display screen is lightened under the power supply of the first test power supply voltage;
if the display screen is not lighted under the power supply of the first test power supply voltage, continuing to increase the first increase value by one unit until the display screen is lighted under the power supply of the second test power supply voltage;
determining the value of the second test supply voltage minus the first increment value of the one unit as the first supply voltage.
In some embodiments, the second detection module 33 is configured to:
increasing the first supply voltage by a second increase value of one unit to obtain a third test supply voltage;
judging whether the display screen is lightened under the power supply of the third test power supply voltage;
if the display screen is not lighted under the power supply of the third test power supply voltage, continuing to increase a unit of second increase value until the display screen is lighted under the power supply of a fourth test power supply voltage;
determining a value of the fourth test supply voltage minus the second increment value of the one unit as a second supply voltage.
In some embodiments, the third detection module 34 is configured to:
increasing the second supply voltage by a third increment value of one unit to obtain a fifth test supply voltage;
judging whether the display screen is lightened under the power supply of the fifth test power supply voltage;
if the display screen is not lighted under the power supply of the fifth test power supply voltage, continuing to increase a unit of third increase value until the display screen is lighted under the power supply of a sixth test power supply voltage;
determining a value of the sixth test supply voltage minus the third incremental value of the unit as a third supply voltage.
Referring to fig. 6, fig. 6 is a schematic structural diagram of a display screen power supply device according to an embodiment of the present application. Fig. 6 differs from fig. 5 in that the processor 180 further includes: a purge module 37.
Wherein the clearing module 37 is configured to clear the recorded target power supply voltage when a shutdown instruction is received.
As can be seen from the above, in the display screen power supply device 30 provided in the embodiment of the present application, when the mobile terminal is turned on, the setting module 31 sets the power supply voltage of the display screen to the initial power supply voltage; the first detection module 32 uses the initial power supply voltage as an initial value and uses the first added value as an increment to detect and obtain a first power supply voltage; the second detection module 33 uses the first power supply voltage as a starting value and uses the second added value as an increment to detect and obtain a second power supply voltage; the third detection module 34 uses the second power supply voltage as an initial value and uses the third added value as an increment to detect and obtain a third power supply voltage; the determining module 35 determines the third power supply voltage as a target power supply voltage of the display screen; the power supply module 36 records the target supply voltage and continuously supplies power to the display screen at the target supply voltage. This application embodiment uses the display screen and because this display screen is because of breaking into pieces, behind the reason such as trouble change new display screen, can detect the supply voltage of new display screen adaptively to make mobile terminal provide accurate supply voltage for the display screen, maintain mobile terminal's demonstration stability, avoided the unstable normal use that influences of display screen power supply, even with the problem that the display screen burns out.
The embodiment of the application also provides a mobile terminal, which comprises a processor and a memory, wherein the memory is stored with a computer program, and the processor is used for executing the display screen power supply method by calling the computer program stored in the memory.
Referring to fig. 7, fig. 7 is a schematic structural diagram of a mobile terminal provided in an embodiment of the present application, where the mobile terminal may be used to implement the display power supply method provided in the foregoing embodiment. The mobile terminal 1200 may be a smart phone, a tablet computer, or the like.
As shown in fig. 7, the mobile terminal 1200 may include an RF (Radio Frequency) circuit 110, a memory 120 including one or more computer-readable storage media (only one shown), an input unit 130, a display unit 140, a sensor 150, an audio circuit 160, a transmission module 170, a processor 180 including one or more processing cores (only one shown), and a power supply 190. Those skilled in the art will appreciate that the mobile terminal 1200 configuration illustrated in fig. 7 is not intended to be limiting of the mobile terminal 1200 and may include more or less components than those illustrated, or some components in combination, or a different arrangement of components. Wherein:
the RF circuit 110 is used for receiving and transmitting electromagnetic waves, and performs interconversion between the electromagnetic waves and electrical signals, so as to communicate with a communication network or other devices. The RF circuitry 110 may include various existing circuit elements for performing these functions, such as an antenna, a radio frequency transceiver, a digital signal processor, an encryption/decryption chip, a Subscriber Identity Module (SIM) card, memory, and so forth. The RF circuitry 110 may communicate with various networks such as the internet, an intranet, a wireless network, or with other devices over a wireless network. The wireless network may comprise a cellular telephone network, a wireless local area network, or a metropolitan area network. The Wireless network may use various Communication standards, protocols, and technologies, including, but not limited to, Global System for Mobile Communication (GSM), Enhanced Data GSM Environment (EDGE), Wideband Code Division Multiple Access (WCDMA), Code Division Multiple Access (CDMA), Time Division Multiple Access (TDMA), Wireless Fidelity (Wi-Fi) (e.g., IEEE802.11a, IEEE802.11 b, IEEE 802.2.access, and/or IEEE802.11 n), Voice over Internet Protocol (VoIP), world wide Internet Microwave Access (Microwave for Wireless Communication), other suitable protocols for short message service (Max), and any other suitable protocols, and may even include those protocols that have not yet been developed.
The memory 120 may be configured to store software programs and modules, such as program instructions/modules corresponding to the mobile management method based on D2D in the foregoing embodiment, and the processor 180 may execute various functional applications and data processing by running the software programs and modules stored in the memory 120, so that after a display screen is used in a mobile terminal and a new display screen is replaced due to a break, a failure, and the like of the display screen, the power supply voltage of the new display screen may be adaptively detected, so that the mobile terminal provides an accurate power supply voltage for the display screen, and the display stability of the mobile terminal is maintained. Memory 120 may include high speed random access memory and may also include non-volatile memory, such as one or more magnetic storage systems, flash memory, or other non-volatile solid-state memory. In some examples, memory 120 may further include memory located remotely from processor 180, which may be connected to mobile terminal 1200 via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The input unit 130 may be used to receive input numeric or character information and generate keyboard, mouse, joystick, optical or trackball signal inputs related to user settings and function control. In particular, the input unit 130 may include a touch-sensitive surface 131 as well as other input devices 132. The touch-sensitive surface 131, also referred to as a touch display screen or a touch pad, may collect touch operations by a user on or near the touch-sensitive surface 131 (e.g., operations by a user on or near the touch-sensitive surface 131 using a finger, a stylus, or any other suitable object or attachment), and drive the corresponding connection system according to a predetermined program. Alternatively, the touch sensitive surface 131 may comprise both a touch detection system and a touch controller. The touch detection system detects the touch direction of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch sensing system, converts the touch information into touch point coordinates, sends the touch point coordinates to the processor 180, and can receive and execute commands sent by the processor 180. Additionally, the touch-sensitive surface 131 may be implemented using various types of resistive, capacitive, infrared, and surface acoustic waves. In addition to the touch-sensitive surface 131, the input unit 130 may also include other input devices 132. In particular, other input devices 132 may include, but are not limited to, one or more of a physical keyboard, function keys (such as volume control keys, switch keys, etc.), a trackball, a mouse, a joystick, and the like.
The display unit 140 may be used to display information input by or provided to the user and various graphic user interfaces of the mobile terminal 1200, which may be configured by graphics, text, icons, video, and any combination thereof. The Display unit 140 may include a Display panel 141, and optionally, the Display panel 141 may be configured in the form of an LCD (Liquid Crystal Display), an OLED (Organic Light-Emitting Diode), or the like. Further, the touch-sensitive surface 131 may cover the display panel 141, and when a touch operation is detected on or near the touch-sensitive surface 131, the touch operation is transmitted to the processor 180 to determine the type of the touch event, and then the processor 180 provides a corresponding visual output on the display panel 141 according to the type of the touch event. Although in FIG. 7, touch-sensitive surface 131 and display panel 141 are shown as two separate components to implement input and output functions, in some embodiments, touch-sensitive surface 131 may be integrated with display panel 141 to implement input and output functions.
The mobile terminal 1200 may also include at least one sensor 150, such as a light sensor, a motion sensor, and other sensors. Specifically, the light sensor may include an ambient light sensor that may adjust the brightness of the display panel 141 according to the brightness of ambient light, and a proximity sensor that may turn off the display panel 141 and/or the backlight when the mobile terminal 1200 is moved to the ear. As one of the motion sensors, the gravity acceleration sensor can detect the magnitude of acceleration in each direction (generally, three axes), can detect the magnitude and direction of gravity when the mobile phone is stationary, and can be used for applications of recognizing the posture of the mobile phone (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), vibration recognition related functions (such as pedometer and tapping), and the like; as for other sensors such as a gyroscope, a barometer, a hygrometer, a thermometer, and an infrared sensor, which may be further configured in the mobile terminal 1200, detailed descriptions thereof are omitted.
The mobile terminal 1200, which may assist the user in e-mail, web browsing, and streaming media access through the transmission module 170 (e.g., Wi-Fi module), provides the user with wireless broadband internet access. Although fig. 7 illustrates the transmission module 170, it is understood that it does not belong to the essential constitution of the mobile terminal 1200, and may be omitted entirely within the scope not changing the essence of the invention as needed.
The processor 180 is a control center of the mobile terminal 1200, connects various parts of the entire mobile phone using various interfaces and lines, and performs various functions of the mobile terminal 1200 and processes data by operating or executing software programs and/or modules stored in the memory 120 and calling data stored in the memory 120, thereby integrally monitoring the mobile phone. Optionally, processor 180 may include one or more processing cores; in some embodiments, the processor 180 may integrate an application processor, which primarily handles operating systems, user interfaces, applications, etc., and a modem processor, which primarily handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor 180.
The mobile terminal 1200 also includes a power supply 190 (e.g., a battery) that powers the various components and, in some embodiments, may be logically coupled to the processor 180 via a power management system that may be used to manage charging, discharging, and power consumption management functions. The power supply 190 may also include any component including one or more of a dc or ac power source, a recharging system, a power failure detection circuit, a power converter or inverter, a power status indicator, and the like.
Although not shown, the mobile terminal 1200 may further include a camera (e.g., a front camera, a rear camera), a bluetooth module, and the like, which are not described in detail herein. Specifically, in the present embodiment, the display unit 140 of the mobile terminal 1200 is a touch screen display, and the mobile terminal 1200 further includes a memory 120 and one or more programs, wherein the one or more programs are stored in the memory 120, and the one or more programs configured to be executed by the one or more processors 180 include instructions for:
when the mobile terminal is started, setting the power supply voltage of the display screen as an initial power supply voltage; detecting to obtain a first power supply voltage by taking the initial power supply voltage as an initial value and taking a first added value as an increment; detecting to obtain a second power supply voltage by taking the first power supply voltage as an initial value and a second added value as an increment; detecting to obtain a third power supply voltage by taking the second power supply voltage as an initial value and taking a third added value as an increment; determining the third power supply voltage as a target power supply voltage of the display screen; and recording the target power supply voltage, and continuously supplying power to the display screen by using the target power supply voltage.
In some embodiments, the first increment value is greater than the second increment value, and the second increment value is greater than the third increment value.
In some embodiments, the processor 180 is configured to detect the first supply voltage by using the initial supply voltage as a starting value and using the first increment value as an increment, and includes:
increasing the initial supply voltage by a first increase value of one unit to obtain a first test supply voltage;
judging whether the display screen is lightened under the power supply of the first test power supply voltage;
if the display screen is not lighted under the power supply of the first test power supply voltage, continuing to increase the first increase value by one unit until the display screen is lighted under the power supply of the second test power supply voltage;
determining the value of the second test supply voltage minus the first increment value of the one unit as the first supply voltage.
In some embodiments, the processor 180 is configured to detect the second supply voltage by using the first supply voltage as a starting value and using the second increment value as an increment, and includes:
increasing the first supply voltage by a second increase value of one unit to obtain a third test supply voltage;
judging whether the display screen is lightened under the power supply of the third test power supply voltage;
if the display screen is not lighted under the power supply of the third test power supply voltage, continuing to increase a unit of second increase value until the display screen is lighted under the power supply of a fourth test power supply voltage;
determining a value of the fourth test supply voltage minus the second increment value of the one unit as a second supply voltage.
In some embodiments, the processor 180 is configured to detect the third power supply voltage by using the second power supply voltage as a starting value and using a third increment value as an increment, and includes:
increasing the second supply voltage by a third increment value of one unit to obtain a fifth test supply voltage;
judging whether the display screen is lightened under the power supply of the fifth test power supply voltage;
if the display screen is not lighted under the power supply of the fifth test power supply voltage, continuing to increase a unit of third increase value until the display screen is lighted under the power supply of a sixth test power supply voltage;
determining a value of the sixth test supply voltage minus the third incremental value of the unit as a third supply voltage.
In some embodiments, the processor 180 is further configured to:
clearing the recorded target supply voltage when a shutdown instruction is received
As can be seen from the above, an embodiment of the present application provides a mobile terminal 1200, where the mobile terminal 1200 performs the following steps: when the mobile terminal is started, setting the power supply voltage of the display screen as an initial power supply voltage; detecting to obtain a first power supply voltage by taking the initial power supply voltage as an initial value and taking the first added value as an increment; detecting to obtain a second power supply voltage by taking the first power supply voltage as an initial value and taking the second added value as an increment; detecting to obtain a third power supply voltage by taking the second power supply voltage as an initial value and taking a third added value as an increment; determining a third power supply voltage as a target power supply voltage of the display screen; and recording the target power supply voltage, and continuously supplying power to the display screen at the target power supply voltage. This application embodiment uses the display screen and because this display screen is because of breaking into pieces, behind the reason such as trouble change new display screen, can detect the supply voltage of new display screen adaptively to make mobile terminal provide accurate supply voltage for the display screen, maintain mobile terminal's demonstration stability, avoided the unstable normal use that influences of display screen power supply, even with the problem that the display screen burns out.
The embodiment of the present application further provides a storage medium, where a computer program is stored in the storage medium, and when the computer program runs on a computer, the computer executes the display screen power supply method according to any one of the above embodiments.
It should be noted that, for the display screen power supply method described in this application, a person skilled in the art may understand that all or part of the process of implementing the application management method described in this application embodiment may be completed by controlling related hardware through a computer program, where the computer program may be stored in a computer readable storage medium, such as a memory of a mobile terminal, and executed by at least one processor in the mobile terminal, and during the execution process, the process of implementing the embodiment of the application management method may be included. The storage medium may be a magnetic disk, an optical disk, a Read Only Memory (ROM), a Random Access Memory (RAM), or the like.
For the display screen power supply device in the embodiment of the present application, each functional module may be integrated in one processing chip, or each module may exist alone physically, or two or more modules are integrated in one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium, such as a read-only memory, a magnetic or optical disk, or the like.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiment of the present application, the display screen power supply apparatus and the display screen power supply method in the above embodiments belong to the same concept, and any one of the methods provided in the display screen power supply method embodiments may be operated on the display screen power supply apparatus, and a specific implementation process thereof is described in detail in the display screen power supply method embodiment, and is not described herein again.
Claims (7)
1. A power supply method for a display screen is characterized by comprising the following steps:
when the mobile terminal is started, setting the power supply voltage of the display screen as an initial power supply voltage;
the method for detecting the first power supply voltage by taking the initial power supply voltage as an initial value and taking the first added value as an increment comprises the following steps: increasing the initial supply voltage by a first increase value of one unit to obtain a first test supply voltage; judging whether the display screen is lightened under the power supply of the first test power supply voltage; if the display screen is not lighted under the power supply of the first test power supply voltage, continuing to increase the first increase value by one unit until the display screen is lighted under the power supply of the second test power supply voltage; determining a value of the second test supply voltage minus the first increment value of the one unit as a first supply voltage;
detecting to obtain a second power supply voltage by taking the first power supply voltage as an initial value and a second added value as an increment;
detecting to obtain a third power supply voltage by taking the second power supply voltage as an initial value and taking a third added value as an increment;
determining the third power supply voltage as a target power supply voltage of the display screen;
recording the target power supply voltage, and continuously supplying power to the display screen by using the target power supply voltage;
the first increment value is greater than the second increment value, and the second increment value is greater than the third increment value.
2. The method for supplying power to a display screen according to claim 1, wherein the detecting a second supply voltage with the first supply voltage as a starting value and with a second increment value as an increment comprises:
increasing the first supply voltage by a second increase value of one unit to obtain a third test supply voltage;
judging whether the display screen is lightened under the power supply of the third test power supply voltage;
if the display screen is not lighted under the power supply of the third test power supply voltage, continuing to increase a unit of second increase value until the display screen is lighted under the power supply of a fourth test power supply voltage;
determining a value of the fourth test supply voltage minus the second increment value of the one unit as a second supply voltage.
3. The display screen power supply method of claim 1, wherein the method further comprises:
and when a shutdown instruction is received, clearing the recorded target power supply voltage.
4. A display screen power supply apparatus, the apparatus comprising:
the mobile terminal comprises a setting module, a display module and a control module, wherein the setting module is used for setting the power supply voltage of the display screen as an initial power supply voltage when the mobile terminal is started;
the first detection module is used for detecting and obtaining a first supply voltage by taking the initial supply voltage as an initial value and taking a first added value as an increment, and comprises the following steps: increasing the initial supply voltage by a first increase value of one unit to obtain a first test supply voltage; judging whether the display screen is lightened under the power supply of the first test power supply voltage; if the display screen is not lighted under the power supply of the first test power supply voltage, continuing to increase the first increase value by one unit until the display screen is lighted under the power supply of the second test power supply voltage; determining a value of the second test supply voltage minus the first increment value of the one unit as a first supply voltage;
the second detection module is used for detecting and obtaining a second power supply voltage by taking the first power supply voltage as an initial value and a second added value as an increment;
the third detection module is used for detecting and obtaining a third power supply voltage by taking the second power supply voltage as an initial value and a third added value as an increment;
the determining module is used for determining the third power supply voltage as a target power supply voltage of the display screen;
the power supply module is used for recording the target power supply voltage and continuously supplying power to the display screen by using the target power supply voltage;
the first increment value is greater than the second increment value, and the second increment value is greater than the third increment value.
5. The display screen power supply of claim 4, wherein the apparatus further comprises:
and the clearing module is used for clearing the recorded target power supply voltage when a shutdown instruction is received.
6. A storage medium having stored therein a computer program which, when run on a computer, causes the computer to execute the display screen power supply method according to any one of claims 1 to 3.
7. A mobile terminal, characterized in that the mobile terminal comprises a processor and a memory, wherein the memory stores a computer program, and the processor is used for executing the display power supply method according to any one of claims 1 to 3 by calling the computer program stored in the memory.
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| CN106227322A (en) * | 2016-07-12 | 2016-12-14 | 广东欧珀移动通信有限公司 | A kind of method adjusting screen work pattern and terminal |
| CN109002202A (en) * | 2018-06-15 | 2018-12-14 | Oppo广东移动通信有限公司 | Touching display screen driving circuit, touch control display and electronic device |
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