WO2018119733A1 - 一种显示屏的控制方法及装置 - Google Patents

一种显示屏的控制方法及装置 Download PDF

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Publication number
WO2018119733A1
WO2018119733A1 PCT/CN2016/112588 CN2016112588W WO2018119733A1 WO 2018119733 A1 WO2018119733 A1 WO 2018119733A1 CN 2016112588 W CN2016112588 W CN 2016112588W WO 2018119733 A1 WO2018119733 A1 WO 2018119733A1
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WO
WIPO (PCT)
Prior art keywords
battery
information
display screen
remaining
size
Prior art date
Application number
PCT/CN2016/112588
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English (en)
French (fr)
Inventor
周力
古向楠
张绚
Original Assignee
深圳市柔宇科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳市柔宇科技有限公司 filed Critical 深圳市柔宇科技有限公司
Priority to PCT/CN2016/112588 priority Critical patent/WO2018119733A1/zh
Priority to CN201680043061.3A priority patent/CN107995963B/zh
Publication of WO2018119733A1 publication Critical patent/WO2018119733A1/zh
Priority to US16/422,085 priority patent/US20190278465A1/en

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3206—Monitoring of events, devices or parameters that trigger a change in power modality
    • G06F1/3212—Monitoring battery levels, e.g. power saving mode being initiated when battery voltage goes below a certain level
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3206—Monitoring of events, devices or parameters that trigger a change in power modality
    • G06F1/3215—Monitoring of peripheral devices
    • G06F1/3218—Monitoring of peripheral devices of display devices
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3234—Power saving characterised by the action undertaken
    • G06F1/325—Power saving in peripheral device
    • G06F1/3265—Power saving in display device
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
    • G06F3/04845—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range for image manipulation, e.g. dragging, rotation, expansion or change of colour
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management

Definitions

  • the present invention relates to the field of electronic technologies, and in particular, to a control method and apparatus for a display screen.
  • the flexible display screen is a deformable display device, which has the advantages of small size, good portability, excellent image quality and diversified display.
  • flexible displays have received extensive attention in the industry and are gradually being applied to various types of terminal devices such as smart phones, tablet computers, smart wearable devices, and smart TVs.
  • terminal devices such as smart phones, tablet computers, smart wearable devices, and smart TVs.
  • some high-performance flexible display terminal devices have been able to control the screen size of flexible displays through software instructions.
  • the flexible display terminal device in order to highlight the thinness and thinness of the flexible display terminal device, a battery with a small size but limited capacity is generally selected; on the other hand, in order to meet user requirements, the screen size of the flexible display screen is usually designed to be large, resulting in consumption. The power is large. The combination of the two reasons makes the flexible display terminal device have a problem of poor battery life.
  • the embodiment of the invention discloses a control method and device for the display screen, which can control the variable size of the display screen according to the remaining power of the battery, so as to reduce the power consumption and improve the battery life.
  • a first aspect of the embodiments of the present invention discloses a method for controlling a display screen, including:
  • the screen size information corresponding to the remaining power amount information is determined, wherein the remaining power amount information is pre-established in a corresponding relationship with the screen size information.
  • the current variable size of the display screen is set according to the screen size information.
  • a second aspect of the embodiments of the present invention discloses a control device for a display screen, including:
  • the acquisition module is configured to obtain remaining battery information of the battery.
  • a determining module configured to determine screen size information corresponding to the remaining power information, wherein the remaining power information is pre-established in a corresponding relationship with the screen size information.
  • a setting module configured to set a current variable size of the display screen according to the screen size information.
  • the remaining power information of the battery can be obtained by using the embodiment of the present invention, and the remaining power information is determined to be corresponding.
  • the screen size information wherein the remaining power information is pre-established with the screen size information, and the current variable size of the display screen is set according to the screen size information, so that the variable display can be controlled according to the remaining power of the battery. Size to reduce power consumption and improve battery life.
  • FIG. 1 is a schematic flow chart of a method for controlling a display screen according to an embodiment of the present invention
  • FIG. 2 is a schematic structural diagram of a control device for a display screen according to an embodiment of the present invention
  • FIG. 3 is a schematic structural diagram of a display screen according to an embodiment of the present invention.
  • FIG. 4 is a schematic diagram of a linear correspondence relationship disclosed in an embodiment of the present invention.
  • FIG. 5 is a schematic diagram of a nonlinear correspondence relationship disclosed in an embodiment of the present invention.
  • FIG. 6 is a schematic diagram of another nonlinear correspondence relationship disclosed in an embodiment of the present invention.
  • the terminal device described in the embodiment of the present invention may specifically include, but is not limited to, a smart phone equipped with a flexible display screen, a tablet computer, a smart wearable device, an in-vehicle terminal, and the like.
  • the display screen described in the embodiment of the present invention may be a flexible display screen, such as an Organic Light-Emitting Diode (OLED) flexible display screen, which can realize the screen size of the display screen through software instructions, for example, when The display needs to increase the size of the screen when displaying large images, and reduce the size of the screen when the display only needs to display small images.
  • the battery described in the embodiment of the present invention may specifically be a battery having a charging and discharging function.
  • FIG. 1 is a schematic flowchart diagram of a method for controlling a display screen according to an embodiment of the present invention.
  • the control method of the display screen described in this embodiment includes:
  • the terminal device acquires remaining battery information of the battery.
  • the terminal device can obtain the remaining battery information of the battery in real time by accessing the Power Management Integrated Circuits (PMIC), and monitor the remaining power.
  • PMIC Power Management Integrated Circuits
  • the power management chip is used for power conversion, power distribution, power detection and other power management of the battery.
  • the remaining power information may specifically be a remaining power ratio of the battery.
  • the specific operation of the terminal device to obtain the remaining battery power information of the battery is as follows:
  • step 1 the remaining power of the battery is detected. Specifically, the terminal device detects a specific value of the remaining power of the battery through the battery management chip, such as 1200 mA mA.
  • Step 2 Calculate the ratio Epercent of CurrentElectricity to MaxElectricity.
  • the Epercent represents the remaining power ratio of the battery
  • the CurrentElectricity represents the remaining power of the battery
  • the MaxElectricity represents the total power of the battery.
  • the terminal device first determines whether the remaining battery power is lower than the first preset power threshold according to the remaining battery power information. If the terminal device is lower than the first preset threshold, step 102 is performed; otherwise, no processing is performed.
  • the first preset threshold may be preset by the device manufacturer before the terminal device leaves the factory, or may be set by the user after leaving the factory, which is not specifically limited herein.
  • step 102 is performed after determining that the remaining power ratio is lower than the first preset threshold. For another example, if the first preset threshold is 30% and the current remaining power ratio is 35%, then it is determined that the remaining power ratio is higher than the first preset threshold, and no processing is performed.
  • the remaining power of the battery increases when the battery is in a charging state. There are many, so in order not to affect the normal use of the user, the screen size can be restored again while in the charging state, and the subsequent steps should be performed.
  • the terminal device when the terminal device is in the charging state, it is determined whether the remaining battery power is higher than the second preset power threshold according to the remaining battery power information. If the terminal device is higher than the second preset threshold, step 102 is performed; otherwise, , do not do anything.
  • the second preset threshold may be preset by the device manufacturer before the terminal device leaves the factory, or may be set by the user after leaving the factory, which is not specifically limited herein.
  • the second preset threshold may be equal to the first preset threshold, or may not be equal to, and is not limited herein.
  • step 102 is performed after determining that the remaining power ratio is higher than the first preset threshold. For another example, if the second preset threshold is 20% and the current remaining power ratio is 15%, then the remaining power ratio is determined to be lower than the first preset threshold, and no processing is performed.
  • the terminal device determines screen size information corresponding to the remaining power information, where the remaining power information and the screen size information are pre-established in a corresponding relationship.
  • the screen size information may specifically be the current variable size of the display screen.
  • the current variable size of the display screen may specifically be the current maximum variable size, and the current maximum variable size refers to the maximum size that the display screen can stretch, and is displayed for a specific constant value, such as 8 inches. The screen can only stretch up to 8 inches.
  • the current display size of the display, the current variable size of the display, and the maximum size of the display are marked on the display.
  • the maximum size is determined by the physical characteristics of the display; the maximum variable size can be changed. As long as it is not larger than the maximum size; the actual size can only be changed between the minimum size (for example, it can be a preset initial value) and the maximum variable size.
  • the specific operation of the terminal device determining the screen size information corresponding to the remaining power information is as follows:
  • Step 1 Determine a Spercent corresponding to the Epercent, where the Spercent represents a proportion of a current variable size of the display screen, wherein the Epercent is pre-established with the Spercent.
  • the pre-established correspondence between the Epercent and the Spercent includes a linear relationship and a non-linear relationship.
  • k is a preset constant coefficient
  • the k is a preset constant coefficient and is a positive number not greater than 1.
  • the correspondence between Epercent and Spercent can be as shown in FIG. 5 or as shown in FIG. 6.
  • the determining, by the terminal device, the operation of the screen size information corresponding to the remaining power information may be performed continuously or non-continuously. Specifically, when it is continuously performed, the terminal device determines the corresponding Spercent according to Epercent in real time. Specifically, when the non-continuous operation is performed, the nodes of the remaining power ratio may be preset, such as 50%, 40%, 30%, 20%, and 10%, and the terminal device detects that Epercent reaches each of the nodes, and then determines once. Corresponding to Spercent.
  • the terminal device sets a current variable size of the display screen according to the screen size information.
  • the terminal device can comprehensively consider the current display content, and set the current variable size of the display screen according to the screen size information.
  • the current variable size of the display screen is the current maximum variable size, that is, the maximum size that the display screen can be extended, and the terminal device can directly use the calculated CurrentScreenSize as the current maximum display screen.
  • Variable size That is to say, it is possible to realize that when the remaining power is reduced, the maximum variable size of the display screen becomes small, and when the remaining power is increased, the maximum variable size of the display screen becomes large.
  • the current variable size of the display screen may also be a size range in which the display screen is retractable, and is a specific constant value interval, for example, when the remaining power ratio reaches a preset value (for example, 50%), the display screen
  • the retractable size range is [3", 10".
  • the display is retractable in sizes ranging from 0 inches to 6 inches, and more.
  • the current variable size of the display screen includes at least two variable sizes
  • the terminal device can switch the display screen between the at least two variable sizes according to an operation instruction input by the user, which is convenient. Quickly adjust the size of the display to fit the application the user is using. For example, assuming that the current variable size of the set display screen includes three variable sizes a, b, and c, where a ⁇ b ⁇ c, the terminal device can display the display screen at a, b according to an operation instruction input by the user. , c three variable sizes switch between each other.
  • the terminal device can set a value corresponding to the current remaining power ratio according to the value set when the full power (ie, the remaining power ratio is 100%), for example, the corresponding three when the full power is assumed
  • the terminal device first obtains the remaining battery information of the battery, and then determines the screen size information corresponding to the remaining battery information, wherein the remaining battery information and the screen size information are pre-established correspondingly, and then set according to the screen size information.
  • the current variable size of the display allows you to control the variable size of the display based on the remaining battery capacity, especially when the remaining battery is low, reducing the size of the display to reduce power consumption and battery life. Capability; and can increase the variable size of the display when the remaining power is high during the charging process to ensure a good experience when the user uses the display.
  • FIG. 2 is a schematic structural diagram of a control device for a display screen according to an embodiment of the present invention.
  • the control device for the display screen described in this embodiment includes:
  • the obtaining module 201 is configured to acquire remaining battery information of the battery.
  • the determining module 202 is configured to determine screen size information corresponding to the remaining power information, wherein the remaining power information is pre-established in a corresponding relationship with the screen size information.
  • the setting module 203 is configured to set a current variable size of the display screen according to the screen size information.
  • the acquiring module 201 can obtain the remaining battery information of the battery in real time by accessing the PMIC, and monitor the remaining power.
  • the power management chip is used for power conversion, power distribution, power detection and other power management of the battery.
  • the remaining power information may specifically be a remaining power ratio of the battery.
  • the specific operation of the acquisition module 201 to obtain the remaining battery power information of the battery is as follows:
  • the remaining amount of the battery is detected. Specifically, the acquisition module 201 detects a specific value of the remaining power of the battery, such as 1200 mA, through the battery management chip.
  • the apparatus further includes a decision module 204, wherein:
  • the determining module 204 is configured to determine, according to the remaining power information of the battery, whether the remaining power of the battery is lower than a first preset power threshold.
  • the determining module 202 is specifically configured to:
  • the determining module 204 first determines whether the remaining battery power is lower than the first preset power threshold according to the remaining battery power information. If the threshold is lower than the first preset threshold, the determining module 202 determines the screen size information corresponding to the remaining power information. Otherwise, the determining module 202 does not perform any processing.
  • the first preset threshold may be preset by the device manufacturer, or may be set by the user after leaving the factory, and is not specifically limited herein.
  • the determining module 204 determines that the remaining power ratio is lower than the first preset threshold, and the determining module 202 determines the screen size information corresponding to the remaining power information. . For example, if the first preset threshold is 30% and the current remaining power ratio is 35%, the determining module 204 determines that the remaining power ratio is higher than the first preset threshold, and the determining module 202 does not perform any processing.
  • the remaining power of the battery increases when the battery is in a charging state. There are many, so in order not to affect the normal use of the user, the screen size can be restored again while in the charging state.
  • the determining module 204 determines whether the remaining battery power is higher than the second preset power threshold according to the remaining battery power information, and if the second preset threshold is higher, the determining module 202 The screen size information corresponding to the remaining power information is determined. Otherwise, the determining module 202 does not perform any processing.
  • the second preset threshold may be preset by the device manufacturer, or may be set by the user after leaving the factory, and is not specifically limited herein.
  • the second preset threshold may be equal to the first preset threshold, or may not be equal to, and is not limited herein.
  • the determining module 204 determines that the remaining power ratio is higher than the second preset threshold, and the determining module 202 determines the screen size information corresponding to the remaining power information. . For example, if the second preset threshold is 20% and the current remaining power ratio is 15%, the determining module 204 determines that the remaining power ratio is lower than the second preset threshold, and the determining module 202 does not perform any processing.
  • the screen size information may specifically be the current variable size of the display screen.
  • the current variable size of the display can be the current maximum variable size.
  • the current maximum variable size refers to the maximum size that the display can stretch. For a specific constant value, such as 8 inches, the display can only be the largest. Stretch to 8 inches.
  • the current display size of the display, the current variable size and the maximum size of the display are marked on the display.
  • the maximum size is determined by the physical characteristics of the display; the maximum variable size can be changed as long as it is not It is larger than the maximum size; the actual size can only be changed between the minimum size (for example, it can be a preset initial value) and the maximum variable size.
  • the determining module 202 determines the specific operation of the screen size information corresponding to the remaining power information as follows:
  • the pre-established correspondence between the Epercent and the Spercent includes a linear relationship and a non-linear relationship.
  • k is a preset constant coefficient and is not more than 1 number.
  • the correspondence between Epercent and Spercent can be as shown in FIG. 4, and the determining module 202 directly uses the remaining power ratio as the proportion of the current variable size of the display screen.
  • the k is a preset constant coefficient and is a positive number not greater than 1.
  • the correspondence between Epercent and Spercent can be as shown in FIG. 5 or as shown in FIG. 6.
  • the determining module 202 determines that the operation of the screen size information corresponding to the remaining power information may be performed continuously or non-continuously. Specifically, when it is continuously performed, the determination module 202 determines the corresponding Spercent according to Epercent in real time. Specifically, when it is discontinuous, a plurality of nodes of the remaining power ratio may be preset, for example, 50%, 40%, 30%, 20%, and 10%, and the determining module 202 detects that each time the Epercent reaches the nodes, it is determined. A corresponding Spercent.
  • the setting module 203 can comprehensively consider the current display content, and set the current variable size of the display screen according to the screen size information.
  • the current variable size of the display screen is the current maximum variable size, that is, the maximum size that can be extended by the display screen, and the setting module 203 can directly use the calculated CurrentScreenSize as the current display screen.
  • Maximum variable size That is to say, it is possible to realize that when the remaining power is reduced, the maximum variable size of the display screen becomes small, and when the remaining power is increased, the maximum variable size of the display screen becomes large.
  • the current variable size of the display screen may also be a size range in which the display screen is retractable, and is a specific constant value interval, for example, when the remaining power ratio reaches a preset value (for example, 50%), the display screen
  • the retractable size range is [3", 10".
  • the retractable size range of the display is (0 inches, 6 inches), and so on.
  • the current variable size of the display screen includes at least two variable sizes
  • the setting module 203 can change the display screen in the at least two according to an operation instruction input by the user.
  • the sizes are switched to each other to quickly adjust the size of the display to suit the application the user is using.
  • the setting module 203 can display the display screen according to an operation instruction input by the user.
  • b, c three variable sizes switch between each other.
  • the setting module 203 can set a value corresponding to the current remaining power ratio according to a value corresponding to the set value when the full power (ie, the remaining power ratio is 100%), for example, assuming a full power amount
  • the acquiring module 201 first obtains the remaining battery information of the battery, and the determining module 202 determines the screen size information corresponding to the remaining battery information, wherein the remaining battery information is pre-established with the screen size information, and the setting module 203 is configured. Then, according to the screen size information, the current variable size of the display screen is set, so that the variable size of the display screen can be controlled according to the remaining power of the battery, especially when the remaining power is low, the variable size of the display screen is reduced, Reduce power consumption and improve battery life; and increase the variable size of the display when the remaining power is high during the charging process to ensure a good experience when using the display.
  • the program may be stored in a computer readable storage medium, and the storage medium may include: Flash disk, Read-Only Memory (ROM), Random Access Memory (RAM), disk or optical disk.

Abstract

一种显示屏的控制方法及装置，其中方法包括：获取电池的剩余电量信息（101）；确定所述剩余电量信息对应的屏幕尺寸信息，其中，所述剩余电量信息与所述屏幕尺寸信息预先建立有对应关系（102）；根据所述屏幕尺寸信息，设定所述显示屏当前的可变尺寸（103）。通过该方法可以实现根据电池的剩余电量控制显示屏的可变尺寸，以减少耗电量，提高电量续航能力。

Description

一种显示屏的控制方法及装置 技术领域
本发明涉及电子技术领域，尤其涉及一种显示屏的控制方法及装置。
背景技术
柔性显示屏是一种可形变的显示装置，具有体积小、便携性好、画质优良以及显示多样化等优点。鉴于上述优点，柔性显示屏受到业内广泛的关注，逐渐应用于各类终端设备，如智能手机、平板电脑、智能可穿戴设备和智能电视等。目前，一些高性能的柔性显示屏终端设备，已经可以实现通过软件指令来控制柔性显示屏的屏幕尺寸大小。
然而，一方面，为了凸显柔性显示屏终端设备的轻薄性，通常选用体积小但电容量有限的电池；另一方面，为了满足用户需求，柔性显示屏的屏幕尺寸通常设计得较大，导致耗电量较大。两方面原因相结合，使得柔性显示屏终端设备存在电量续航能力较差的问题。
发明内容
本发明实施例公开了一种显示屏的控制方法及装置，可以实现根据电池的剩余电量控制显示屏的可变尺寸，以减少耗电量，提高电量续航能力。
本发明实施例第一方面公开了一种显示屏的控制方法，包括：
获取电池的剩余电量信息。
确定所述剩余电量信息对应的屏幕尺寸信息，其中，所述剩余电量信息与所述屏幕尺寸信息预先建立有对应关系。
根据所述屏幕尺寸信息，设定所述显示屏当前的可变尺寸。
本发明实施例第二方面公开了一种显示屏的控制装置，包括：
获取模块，用于获取电池的剩余电量信息。
确定模块，用于确定所述剩余电量信息对应的屏幕尺寸信息，其中，所述剩余电量信息与所述屏幕尺寸信息预先建立有对应关系。
设定模块，用于根据所述屏幕尺寸信息，设定所述显示屏当前的可变尺寸。
通过本发明实施例可以获取电池的剩余电量信息，确定剩余电量信息对应 的屏幕尺寸信息，其中，剩余电量信息与屏幕尺寸信息预先建立有对应关系，并根据屏幕尺寸信息，设定显示屏当前的可变尺寸，从而可以实现根据电池的剩余电量控制显示屏的可变尺寸，以减少耗电量，提高电量续航能力。
附图说明
为了更清楚地说明本发明实施例中的技术方案，下面将对实施例中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其他的附图。
图1是本发明实施例公开的一种显示屏的控制方法的流程示意图；
图2是本发明实施例公开的一种显示屏的控制装置的结构示意图；
图3是本发明实施例公开的一种显示屏的结构示意图；
图4是本发明实施例公开的一种线性对应关系的示意图；
图5是本发明实施例公开的一种非线性对应关系的示意图；
图6是本发明实施例公开的另一种非线性对应关系的示意图。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
本发明实施例中所描述的终端设备具体可以包括但不限于：配备柔性显示屏的智能手机、平板电脑、智能可穿戴设备、车载终端等。
本发明实施例中所描述的显示屏具体可以是柔性显示屏，例如有机发光二极管(Organic Light-Emitting Diode，OLED)柔性显示屏，能够实现通过软件指令来控制显示屏的屏幕尺寸大小，例如当显示屏需要显示大尺寸图像时增大屏幕的尺寸，当显示屏只需显示小尺寸图像时减小屏幕的尺寸。本发明实施例中所描述的电池具体可以是具有充、放电功能的蓄电池。
请参阅图1，为本发明实施例提供的一种显示屏的控制方法的流程示意图。本实施例中所描述的显示屏的控制方法，包括：
101、终端设备获取电池的剩余电量信息。
具体实现中，终端设备可以通过访问电池管理芯片(Power Management Integrated Circuits，PMIC)，实时获取电池的剩余电量信息，监测剩余电量情况。其中，电源管理芯片用于对电池的电能变换、电能分配、电量检测及其它电能管理。
在一些可行的实施方式中，剩余电量信息具体可以是电池的剩余电量比例。相应地，终端设备获取电池的剩余电量信息的具体操作如下：
步骤1，检测所述电池的剩余电量。具体地，终端设备通过电池管理芯片检测电池的剩余电量的具体值，如1200毫安mA。
步骤2，计算CurrentElectricity与MaxElectricity的比值Epercent。其中，所述Epercent表示所述电池的剩余电量比例，所述CurrentElectricity表示所述电池的剩余电量，所述MaxElectricity表示所述电池的总电量。具体地，终端设备通过电池管理芯片可以查询到电池的总电量，进而根据检测的剩余电量和查询的总电量，可以计算得到电池的剩余电量比例。例如：假设检测的CurrentElectricity＝1200mA，MaxElectricity＝4800mA，那么可以计算得到Epercent＝CurrentElectricity/MaxElectricity＝1200/4800＝25％。
在一些可行的实施方式中，由于处于低电量时才会考虑减小显示屏的屏幕尺寸以节省电量，因此为了不影响用户的正常使用，处于正常电量时可以不必执行后续步骤。本实施方式中，终端设备先根据电池的剩余电量信息，判断电池的剩余电量是否低于第一预设电量阈值，若低于第一预设阈值，再执行步骤102，否则，不作任何处理。其中，第一预设阈值可以在终端设备出厂前由设备厂商预先设定，也可以在出厂后由用户设定，这里不作具体限定。
例如假设第一预设阈值为30％，当前剩余电量比例为25％，那么经判断剩余电量比例低于第一预设阈值，执行步骤102。又例如假设第一预设阈值为30％，当前剩余电量比例为35％，那么经判断剩余电量比例高于第一预设阈值，不作任何处理。
在一些可行的实施方式中，由于电池处于充电状态时，电池的剩余电量增 多，因此为了不影响用户的正常使用，处于充电状态时可以再次恢复屏幕尺寸，此时应当执行后续步骤。本实施方式中，终端设备当处于充电状态时，根据电池的剩余电量信息，判断电池的剩余电量是否高于第二预设电量阈值，若高于第二预设阈值，则执行步骤102，否则，不作任何处理。同样地，第二预设阈值可以在终端设备出厂前由设备厂商预先设定，也可以在出厂后由用户设定，这里不作具体限定。可选地，第二预设阈值可以等于上述第一预设阈值，也可以不等于，这里也不作限定。
例如假设第二预设阈值为20％，当前剩余电量比例为25％，那么经判断剩余电量比例高于第一预设阈值，执行步骤102。又例如假设第二预设阈值为20％，当前剩余电量比例为15％，那么经判断剩余电量比例低于第一预设阈值，不作任何处理。
102、所述终端设备确定所述剩余电量信息对应的屏幕尺寸信息，其中，所述剩余电量信息与所述屏幕尺寸信息预先建立有对应关系。
其中，屏幕尺寸信息具体可以是显示屏当前的可变尺寸。
具体实现中，显示屏当前的可变尺寸具体可以是当前的最大可变尺寸，当前的最大可变尺寸是指显示屏可伸展的最大尺寸，为一具体的常值，如8英寸，则显示屏最大只能伸展到8英寸。如图3所示，图中显示屏上标记有显示屏当前的实际尺寸、显示屏当前的可变尺寸和显示屏的最大尺寸，最大尺寸由显示屏物理特性所决定；最大可变尺寸可以更改，只要不大于最大尺寸即可；实际尺寸只能在最小尺寸(例如可以是预设的一初始值)和最大可变尺寸之间改变。
相应地，终端设备确定所述剩余电量信息对应的屏幕尺寸信息的具体操作如下：
步骤1，确定所述Epercent对应的Spercent，其中，所述Spercent表示所述显示屏当前的可变尺寸的占比，其中，所述Epercent与所述Spercent预先建立有对应关系。
在一些可行的实施方式中，所述Epercent与所述Spercent预先建立的对应关系包括线性关系和非线性关系。
在一些可行的实施方式中，当Epercent与Spercent预先建立的对应关系为线性关系时，该线性关系为Epercent＝k*Spercent，其中，所述k为预设常系数，且 为不大于1的正数。例如假设k＝1，Epercent与Spercent的对应关系可以如图4所示，终端设备直接将剩余电量比例作为显示屏当前的可变尺寸的占比。
在一些可行的实施方式中，当Epercent与Spercent预先建立的对应关系为非线性关系时，该线性关系为Epercent＝k*Spercent2或者
Figure PCTCN2016112588-appb-000001
同理，所述k为预设常系数，且为不大于1的正数。例如假设k＝1，Epercent与Spercent的对应关系可以如图5所示或者图6所示，当如图5所示时，剩余电量比例越高，对显示屏当前的可变尺寸的影响越大，当如图6所示时，剩余电量比例越小，对显示屏当前的可变尺寸的影响越大。
步骤2，计算Spercent与MaxScreenSize的乘积CurrentScreenSize，所述CurrentScreenSize表示所述显示屏当前的可变尺寸，所述MaxScreenSize表示所述显示屏的最大尺寸。例如假设确定的Spercent＝20％，MaxScreenSize＝100，那么终端设备可以计算得到显示屏当前的可变尺寸CurrentScreenSize＝20。
在一些可行的实施方式中，终端设备确定所述剩余电量信息对应的屏幕尺寸信息的操作可以是连续进行的，也可以是非连续进行的。具体地，当为连续进行时，终端设备实时根据Epercent确定对应的Spercent。具体地，当为非连续进行时，可以预先设定几个剩余电量比例的节点，如50％、40％、30％、20％和10％，终端设备检测Epercent每到达这些节点，便确定一次对应的Spercent。
103、所述终端设备根据所述屏幕尺寸信息，设定所述显示屏当前的可变尺寸。
具体实现中，终端设备可以综合考虑当前显示内容，根据屏幕尺寸信息，设定显示屏当前的可变尺寸。
在一些可行的实施方式中，显示屏当前的可变尺寸为当前的最大可变尺寸，即上述显示屏可伸展的最大尺寸，则终端设备可以直接将计算得到的CurrentScreenSize作为显示屏当前的最大可变尺寸。也就是说，可以实现当剩余电量减少时，显示屏的最大可变尺寸变小，当剩余电量增多时，显示屏的最大可变尺寸变大。
在一些可行的实施方式中，显示屏当前的可变尺寸还可以为显示屏可伸缩的尺寸范围，为具体的常值区间，例如剩余电量比例达到预设值(如50％)时，显示屏可伸缩的尺寸范围为[3英寸，10英寸]。剩余电量比例小于该预设值时， 显示屏可伸缩的尺寸范围为(0英寸，6英寸]，等等。
在一些可行的实施方式中，显示屏当前的可变尺寸包括至少两个可变尺寸，终端设备可以根据用户输入的操作指令，将显示屏在该至少两个可变尺寸之间相互切换，便于快速调整显示屏的尺寸，以适配用户正在使用的应用。例如，假设设定的显示屏当前的可变尺寸包括三个可变尺寸a、b、c，其中a<b<c，那么终端设备根据用户输入的操作指令，可以将显示屏在a、b、c三个可变尺寸之间相互切换。针对该三个可变尺寸，终端设备可以根据满电量(即剩余电量比例为100％)时对应设定的值来设定当前剩余电量比例时对应的值，例如，假设满电量时对应的三个可变尺寸为A、B、C，其中A<B<C，当前剩余电量比例为50％，那么终端设备设定当前的可变尺寸可以为a＝0.5*A，b＝0.5*B，c＝0.5*C，即该三个可变尺寸可以等比例的进行缩放。
本发明实施例中，终端设备先获取电池的剩余电量信息，再确定剩余电量信息对应的屏幕尺寸信息，其中，剩余电量信息与屏幕尺寸信息预先建立有对应关系，接着根据屏幕尺寸信息，设定显示屏当前的可变尺寸，从而可以实现根据电池的剩余电量控制显示屏的可变尺寸，尤其是在剩余电量较低时减小显示屏的可变尺寸，以减少耗电量，提高电量续航能力；并且可以在充电过程中，在剩余电量较高时增大显示屏的可变尺寸，以保证用户使用显示屏时的良好体验。
请参阅图2，为本发明实施例提供的一种显示屏的控制装置的结构示意图。本实施例中所描述的显示屏的控制装置，包括：
获取模块201，用于获取电池的剩余电量信息。
确定模块202，用于确定所述剩余电量信息对应的屏幕尺寸信息，其中，所述剩余电量信息与所述屏幕尺寸信息预先建立有对应关系。
设定模块203，用于根据所述屏幕尺寸信息，设定所述显示屏当前的可变尺寸。
具体实现中，获取模块201可以通过访问PMIC实时获取电池的剩余电量信息，监测剩余电量情况。其中，电源管理芯片用于对电池的电能变换、电能分配、电量检测及其它电能管理。
在一些可行的实施方式中，剩余电量信息具体可以是电池的剩余电量比例。相应地，获取模块201获取电池的剩余电量信息的具体操作如下：
检测所述电池的剩余电量。具体地，获取模块201通过电池管理芯片检测电池的剩余电量的具体值，如1200mA。
计算CurrentElectricity与MaxElectricity的比值Epercent。其中，所述Epercent表示所述电池的剩余电量比例，所述CurrentElectricity表示所述电池的剩余电量，所述MaxElectricity表示所述电池的总电量。具体地，获取模块201通过电池管理芯片可以查询到电池的总电量，进而根据检测的剩余电量和查询的总电量，可以计算得到电池的剩余电量比例。例如假设检测的CurrentElectricity＝1200mA，MaxElectricity＝4800mA，那么可以计算得到Epercent＝CurrentElectricity/MaxElectricity＝1200/4800＝25％。
在一些可行的实施方式中，所述装置还包括判定模块204，其中：
所述判定模块204，用于根据所述电池的剩余电量信息，判断所述电池的剩余电量是否低于第一预设电量阈值。
所述确定模块202，具体用于：
若所述电池的剩余电量低于第一预设电量阈值，则确定所述剩余电量信息对应的屏幕尺寸信息。
即处于低电量时才会考虑减小显示屏的屏幕尺寸以节省电量，本实施方式中，判定模块204先根据电池的剩余电量信息，判断电池的剩余电量是否低于第一预设电量阈值，若低于第一预设阈值，则确定模块202才会确定所述剩余电量信息对应的屏幕尺寸信息，否则，确定模块202不作任何处理。其中，第一预设阈值可以由设备厂商预先设定，也可以在出厂后由用户设定，这里不作具体限定。
例如假设第一预设阈值为30％，当前剩余电量比例为25％，那么判定模块204经判断剩余电量比例低于第一预设阈值，确定模块202确定所述剩余电量信息对应的屏幕尺寸信息。又例如假设第一预设阈值为30％，当前剩余电量比例为35％，那么判定模块204经判断剩余电量比例高于第一预设阈值，确定模块202不作任何处理。
在一些可行的实施方式中，由于电池处于充电状态时，电池的剩余电量增 多，因此为了不影响用户的正常使用，处于充电状态时可以再次恢复屏幕尺寸。本实施方式中，处于充电状态时，判定模块204根据电池的剩余电量信息，判断电池的剩余电量是否高于第二预设电量阈值，若高于第二预设阈值，则确定模块202才会确定所述剩余电量信息对应的屏幕尺寸信息，否则，确定模块202不作任何处理。同样地，第二预设阈值可以由设备厂商预先设定，也可以在出厂后由用户设定，这里不作具体限定。可选地，第二预设阈值可以等于上述第一预设阈值，也可以不等于，这里也不作限定。
例如假设第二预设阈值为20％，当前剩余电量比例为25％，那么判定模块204经判断剩余电量比例高于第二预设阈值，确定模块202确定所述剩余电量信息对应的屏幕尺寸信息。又例如假设第二预设阈值为20％，当前剩余电量比例为15％，那么判定模块204经判断剩余电量比例低于第二预设阈值，确定模块202不作任何处理。
在一些可行的实施方式中，屏幕尺寸信息具体可以是显示屏当前的可变尺寸。显示屏当前的可变尺寸具体可以是当前的最大可变尺寸，当前的最大可变尺寸是指显示屏可伸展的最大尺寸，为一具体的常值，如8英寸，则显示屏最大只能伸展到8英寸。如图3所示，图中显示屏上标记有显示屏当前的实际尺寸、显示屏当前的可变尺寸和最大尺寸，最大尺寸由显示屏物理特性所决定；最大可变尺寸可以更改，只要不大于最大尺寸即可；实际尺寸只能在最小尺寸(例如可以是预设的一初始值)和最大可变尺寸之间改变。
相应地，确定模块202确定所述剩余电量信息对应的屏幕尺寸信息的具体操作如下：
确定所述Epercent对应的Spercent，其中，所述Spercent表示所述显示屏当前的可变尺寸的占比，其中，所述Epercent与所述Spercent预先建立有对应关系。
在一些可行的实施方式中，所述Epercent与所述Spercent预先建立的对应关系包括线性关系和非线性关系。
在一些可行的实施方式中，当Epercent与Spercent预先建立的对应关系为线性关系时，该线性关系为Epercent＝k*Spercent，其中，所述k为预设常系数，且为不大于1的正数。例如，假设k＝1，Epercent与Spercent的对应关系可以如图4所示，确定模块202直接将剩余电量比例作为显示屏当前的可变尺寸的占比。
在一些可行的实施方式中，当Epercent与Spercent预先建立的对应关系为非线性关系时，该线性关系为Epercent＝k*Spercent2或者
Figure PCTCN2016112588-appb-000002
同理，所述k为预设常系数，且为不大于1的正数。例如假设k＝1，Epercent与Spercent的对应关系可以如图5所示或者图6所示，当如图5所示时，剩余电量比例越高，对显示屏当前的可变尺寸的影响越大，当如图6所示时，剩余电量比例越小，对显示屏当前的可变尺寸的影响越大。
计算Spercent与MaxScreenSize的乘积CurrentScreenSize，所述CurrentScreenSize表示所述显示屏当前的可变尺寸，所述MaxScreenSize表示所述显示屏的最大尺寸。例如假设确定的Spercent＝20％，MaxScreenSize＝100，那么终端设备可以计算得到显示屏当前的可变尺寸CurrentScreenSize＝20。
在一些可行的实施方式中，确定模块202确定所述剩余电量信息对应的屏幕尺寸信息的操作可以是连续进行的，也可以是非连续进行的。具体地，当为连续进行时，确定模块202实时根据Epercent确定对应的Spercent。具体地，当为非连续进行时，可以预先设定几个剩余电量比例的节点，例如50％、40％、30％、20％和10％，确定模块202检测Epercent每到达这些节点，便确定一次对应的Spercent。
具体实现中，设定模块203可以综合考虑当前显示内容，根据屏幕尺寸信息，设定显示屏当前的可变尺寸。
在一些可行的实施方式中，显示屏当前的可变尺寸为当前的最大可变尺寸，即上述显示屏可伸展的最大尺寸，则设定模块203可以直接将计算得到的CurrentScreenSize作为显示屏当前的最大可变尺寸。也就是说，可以实现当剩余电量减少时，显示屏的最大可变尺寸变小，当剩余电量增多时，显示屏的最大可变尺寸变大。
在一些可行的实施方式中，显示屏当前的可变尺寸还可以为显示屏可伸缩的尺寸范围，为具体的常值区间，例如剩余电量比例达到预设值(如50％)时，显示屏可伸缩的尺寸范围为[3英寸，10英寸]。剩余电量比例小于该预设值时，显示屏可伸缩的尺寸范围为(0英寸，6英寸]，等等。
在一些可行的实施方式中，显示屏当前的可变尺寸包括至少两个可变尺寸，设定模块203可以根据用户输入的操作指令，将显示屏在该至少两个可变 尺寸之间相互切换，便于快速调整显示屏的尺寸，以适配用户正在使用的应用。例如，假设设定的显示屏当前的可变尺寸包括三个可变尺寸a、b、c，其中a<b<c，那么设定模块203根据用户输入的操作指令，可以将显示屏在a、b、c三个可变尺寸之间相互切换。针对该三个可变尺寸，设定模块203可以根据满电量(即剩余电量比例为100％)时对应设定的值来设定当前剩余电量比例时对应的值，例如，假设满电量时对应的三个可变尺寸为A、B、C，其中A<B<C，当前剩余电量比例为50％，那么设定模块203设定当前的可变尺寸可以为a＝0.5*A，b＝0.5*B，c＝0.5*C，即该三个可变尺寸可以等比例的进行缩放。
本发明实施例中，获取模块201先获取电池的剩余电量信息，确定模块202再确定剩余电量信息对应的屏幕尺寸信息，其中，剩余电量信息与屏幕尺寸信息预先建立有对应关系，设定模块203接着根据屏幕尺寸信息，设定显示屏当前的可变尺寸，从而可以实现根据电池的剩余电量控制显示屏的可变尺寸，尤其是在剩余电量较低时减小显示屏的可变尺寸，以减少耗电量，提高电量续航能力；并且可以在充电过程中，在剩余电量较高时增大显示屏的可变尺寸，以保证用户使用显示屏时的良好体验。
需要说明的是，对于前述的各个方法实施例，为了简单描述，故将其都表述为一系列的动作组合，但是本领域技术人员应该知悉，本发明并不受所描述的动作顺序的限制，因为依据本发明，某一些步骤可以采用其他顺序或者同时进行。其次，本领域技术人员也应该知悉，说明书中所描述的实施例均属于优选实施例，所涉及的动作和模块并不一定是本发明所必须的。
本领域普通技术人员可以理解上述实施例的各种方法中的全部或部分步骤是可以通过程序来指令相关的硬件来完成，该程序可以存储于一计算机可读存储介质中，存储介质可以包括：闪存盘、只读存储器(Read-Only Memory，ROM)、随机存取器(Random Access Memory，RAM)、磁盘或光盘等。
以上所揭露的仅为本发明一种较佳实施例而已，当然不能以此来限定本发明之权利范围，本领域普通技术人员可以理解实现上述实施例的全部或部分流程，并依本发明权利要求所作的等同变化，仍属于发明所涵盖的范围。

Claims (16)

  1. 一种显示屏的控制方法，其特征在于，包括：
    获取电池的剩余电量信息；
    确定所述剩余电量信息对应的屏幕尺寸信息，其中，所述剩余电量信息与所述屏幕尺寸信息预先建立有对应关系；
    根据所述屏幕尺寸信息，设定所述显示屏当前的可变尺寸。
  2. 根据权利要求1所述的方法，其特征在于，所述获取电池的剩余电量信息之后，还包括：
    根据所述电池的剩余电量信息，判断所述电池的剩余电量是否低于第一预设电量阈值；
    若是，则执行确定所述剩余电量信息对应的屏幕尺寸信息的步骤。
  3. 根据权利要求1所述的方法，其特征在于，所述获取电池的剩余电量信息之后，还包括：
    当处于充电状态时，根据所述电池的剩余电量信息，判断所述电池的剩余电量是否高于第二预设电量阈值；
    若是，则执行确定所述剩余电量信息对应的屏幕尺寸信息的步骤。
  4. 根据权利要求1～3中任一项所述的方法，其特征在于，所述根据所述屏幕尺寸信息，设定所述显示屏当前的可变尺寸，包括：
    根据所述屏幕尺寸信息，设定所述显示屏当前的最大可变尺寸，所述最大可变尺寸为所述显示屏可伸展的最大尺寸。
  5. 根据权利要求1～3中任一项所述的方法，其特征在于，所述根据所述屏幕尺寸信息，设定所述显示屏当前的可变尺寸，包括：
    根据所述屏幕尺寸信息，设定所述显示屏当前的至少两个可变尺寸，所述至少两个可变尺寸均不大于所述显示屏可伸展的最大尺寸。
  6. 根据权利要求1所述的方法，其特征在于，所述获取电池的剩余电量信息，包括：
    检测所述电池的剩余电量；
    计算CurrentElectricity与MaxElectricity的比值Epercent，其中，所述CurrentElectricity表示所述电池的剩余电量，所述MaxElectricity表示所述电池的总电量，所述Epercent表示所述电池的剩余电量比例；
    确定所述剩余电量信息对应的屏幕尺寸信息，包括：
    确定所述Epercent对应的Spercent，其中，所述Spercent表示所述显示屏当前的可变尺寸的占比，所述Epercent与所述Spercent预先建立有对应关系；
    计算Spercent与MaxScreenSize的乘积CurrentScreenSize，其中，所述MaxScreenSize表示所述显示屏的最大尺寸，所述CurrentScreenSize表示所述显示屏当前的可变尺寸。
  7. 根据权利要求6所述的方法，其特征在于，
    所述Epercent与所述Spercent预先建立的对应关系包括线性关系和非线性关系。
  8. 根据权利要求7所述的方法，其特征在于，
    所述Epercent与所述Spercent预先建立的对应关系为：
    Epercent＝k*Spercent；或者
    Epercent＝k*Spercent2；或者
    Figure PCTCN2016112588-appb-100001
    其中，所述k为预设常系数，且为不大于1的正数。
  9. 一种显示屏的控制装置，其特征在于，包括：
    获取模块，用于获取电池的剩余电量信息；
    确定模块，用于确定所述剩余电量信息对应的屏幕尺寸信息，其中，所述剩余电量信息与所述屏幕尺寸信息预先建立有对应关系；
    设定模块，用于根据所述屏幕尺寸信息，设定所述显示屏当前的可变尺寸。
  10. 根据权利要求9所述的装置，其特征在于，所述装置还包括判定模块，其中：
    所述判定模块，用于根据所述电池的剩余电量信息，判断所述电池的剩余电量是否低于第一预设电量阈值；
    所述确定模块，具体用于：
    若所述电池的剩余电量低于第一预设电量阈值，则确定所述剩余电量信息对应的屏幕尺寸信息。
  11. 根据权利要求9所述的装置，其特征在于，所述装置还包括判定模块，其中：
    所述判定模块，用于当处于充电状态时，根据所述电池的剩余电量信息，判断所述电池的剩余电量是否高于第二预设电量阈值；
    所述确定模块，具体用于：
    若所述电池的剩余电量高于第二预设电量阈值，则确定所述剩余电量信息对应的屏幕尺寸信息。
  12. 根据权利要求9～11中任一项所述的装置，其特征在于，所述设定模块，具体用于：
    根据所述屏幕尺寸信息，设定所述显示屏当前的最大可变尺寸，所述最大可变尺寸为所述显示屏可伸展的最大尺寸。
  13. 根据权利要求9～11中任一项所述的装置，其特征在于，所述设定模块，具体用于：
    根据所述屏幕尺寸信息，设定所述显示屏当前的至少两个可变尺寸，所述至少两个可变尺寸均不大于所述显示屏可伸展的最大尺寸。
  14. 根据权利要求9所述的装置，其特征在于，所述获取模块，具体用于：
    检测所述电池的剩余电量；
    计算CurrentElectricity与MaxElectricity的比值Epercent，其中，所述CurrentElectricity表示所述电池的剩余电量，所述MaxElectricity表示所述电池的总电量，所述Epercent表示所述电池的剩余电量比例；
    其中，所述确定模块，具体用于：
    确定所述Epercent对应的Spercent，其中，所述Spercent表示所述显示屏当前的可变尺寸的占比，所述Epercent与所述Spercent预先建立有对应关系；
    计算Spercent与MaxScreenSize的乘积CurrentScreenSize，其中，所述MaxScreenSize表示所述显示屏的最大尺寸，所述CurrentScreenSize表示所述显示屏当前的可变尺寸。
  15. 根据权利要求14所述的装置，其特征在于，
    所述Epercent与所述Spercent预先建立的对应关系包括线性关系和非线性关系。
  16. 根据权利要求15所述的装置，其特征在于，
    所述Epercent与所述Spercent预先建立的对应关系为：
    Epercent＝k*Spercent；或者
    Epercent＝k*Spercent2；或者
    Figure PCTCN2016112588-appb-100002
    其中，所述k为预设常系数，且为不大于1的正数。
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