WO2012000250A1 - 移动终端节电的系统及方法 - Google Patents

移动终端节电的系统及方法 Download PDF

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Publication number
WO2012000250A1
WO2012000250A1 PCT/CN2010/077798 CN2010077798W WO2012000250A1 WO 2012000250 A1 WO2012000250 A1 WO 2012000250A1 CN 2010077798 W CN2010077798 W CN 2010077798W WO 2012000250 A1 WO2012000250 A1 WO 2012000250A1
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WO
WIPO (PCT)
Prior art keywords
mobile terminal
theme
power saving
preset
brightness
Prior art date
Application number
PCT/CN2010/077798
Other languages
English (en)
French (fr)
Inventor
牛超
王亚恒
丛文
Original Assignee
中兴通讯股份有限公司
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 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Priority to EP10853953.7A priority Critical patent/EP2523431B1/en
Priority to US13/258,679 priority patent/US8774868B2/en
Publication of WO2012000250A1 publication Critical patent/WO2012000250A1/zh

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02Power saving arrangements
    • H04W52/0209Power saving arrangements in terminal devices
    • H04W52/0261Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
    • H04W52/0267Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by controlling user interface components
    • H04W52/027Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by controlling user interface components by controlling a display operation or backlight unit
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/02Constructional features of telephone sets
    • H04M1/22Illumination; Arrangements for improving the visibility of characters on dials
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/70Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present invention relates to the field of communications, and in particular, to a system and method for saving power of a mobile terminal.
  • Mobile terminals have become an indispensable daily necessities for people's lives because of their versatility, simple operation, and portability.
  • the biggest problem affecting the use of mobile terminals is the standby time of mobile terminals.
  • a stylish, well-crafted, powerful mobile terminal perhaps because of its short standby time, it will make it prohibitive.
  • the standby time has become an important indicator for people to judge a mobile terminal.
  • On the color screen mobile terminal this problem is particularly prominent.
  • the power consumption of the mobile terminal the power consumption of the LCD screen accounts for a large part.
  • the method of saving power for the liquid crystal screen is only to adjust the backlight brightness of the liquid crystal screen.
  • the publication number is
  • Using the camera to sense light, and then adjusting the brightness of the backlight of the liquid crystal according to the external light intensity, thereby achieving the effect of power saving.
  • the liquid crystal display can be divided into Normally white and Normally black.
  • the former means that when we do not apply voltage to the liquid crystal panel, the panel we see is a light-transparent white (255, 255, 255) picture, the latter is the opposite.
  • ⁇ 1 shows a pure black (0,0,0) picture that is opaque. Since most of the daily life uses black and white on the white background, the Normally white type panel is more energy-efficient.
  • the Normally white type LCD screen is more widely used, and the mobile terminal generally uses the Normally white type. LCD screen.
  • the inventors have realized that the prior art has the following drawbacks: simply relying on adjusting the brightness of the backlight of the liquid crystal panel to save power, resulting in a decrease in display definition of the mobile terminal, and increasing the difficulty for the user to obtain information.
  • the present invention is directed to a mobile terminal providing a system and method for saving power of a mobile terminal, so as to solve the problem of simply reducing the brightness of the backlight of the liquid crystal screen to save power, resulting in a decrease in display definition of the mobile terminal. Add the difficulty of users to get information.
  • a mobile terminal power saving system including: a power management module, configured to monitor a remaining power of the mobile terminal, and send a low battery state when the remaining power is lower than the first preset power reference value a control module, configured to: after receiving the low battery status message, switch the current theme of the mobile terminal to a preset high-contrast power saving theme, and adjust the current brightness of the backlight of the mobile terminal to a preset Power saving brightness.
  • the mobile terminal power saving system further includes: a memory module, configured to switch to a preset power saving theme after receiving the low battery state message, where the current state of the liquid crystal backlight of the mobile terminal is Before the brightness is adjusted to the preset power-saving brightness, the current theme and the current brightness of the mobile terminal are memorized; the power management module is further configured to send a low-power state release message when the remaining power of the mobile terminal is higher than the second preset power reference value.
  • the control module is further configured to switch the power saving theme of the mobile terminal to the current theme of the memory after receiving the low battery state release message, and adjust the power saving brightness of the liquid crystal backlight of the mobile terminal to the current brightness of the memory.
  • the control module includes: a Normally white sub-module, configured to use a Normally white type display screen when the mobile terminal uses a high-visual power saving theme that satisfies the following conditions:
  • the background image is pure white Figure;
  • the control graphic is a skeleton structure outlined by dark lines; the text is a small dark font preset in the mobile terminal; or a Normally black sub-module, which is used to display the display of the Normally black type when the mobile terminal is used.
  • High-contrast power-saving theme with the following conditions:
  • the background image is a pure black bitmap; the control graphics are skeleton structures outlined by light-colored lines; the text is a small, light-colored font preset in the mobile terminal.
  • a method for saving power of a mobile terminal including: monitoring a remaining power of the mobile terminal, and transmitting a low battery status message when the remaining power is lower than the first preset power reference value; After receiving the low battery status message, the current theme of the mobile terminal is switched to a preset high visual contrast power saving theme, and the current brightness of the liquid crystal backlight of the mobile terminal is adjusted to the preset power saving brightness.
  • the invention monitors the remaining power of the mobile terminal through the power management module built in the mobile terminal, and when the remaining power is low, the power saving theme with high visual contrast is used while reducing the brightness of the backlight.
  • FIG. 1 is a schematic diagram of a power saving system of a mobile terminal according to Embodiment 1 of the system of the present invention
  • FIG. 2 is a schematic diagram of a power saving system of a mobile terminal according to Embodiment 3 of the system of the present invention
  • FIG. 4 is a schematic diagram of a prior art scroll bar
  • FIG. 5 is a schematic diagram of a normalized white type according to a fourth embodiment of the system according to the present invention
  • FIG. FIG. 6 is a schematic diagram of a conventional theme of the prior art
  • FIG. 1 is a schematic diagram of a mobile terminal power saving system according to Embodiment 1 of the system of the present invention. As shown in FIG.
  • this embodiment discloses a mobile terminal power saving system, including: a power management module 102, configured to monitor a remaining power of the mobile terminal, and send when the remaining power is lower than the first preset power reference value. a low battery status message; the control module 104 is connected to the power management module 102, and configured to switch the current theme of the mobile terminal to a preset high-contrast power saving theme after receiving the low battery status message, and the mobile terminal The current brightness of the LCD backlight is adjusted to the preset power saving brightness.
  • the first preset power reference value may capture the default low battery alarm value of the mobile terminal, or may be set by the user according to the user, thereby implementing personalized setting of the user to the mobile terminal.
  • the preset power saving theme can be set by the user himself or internally by the mobile terminal, and has in common that it has high visual contrast.
  • the power consumption of the backlight of the liquid crystal screen is reduced, the visual contrast of the theme of the mobile terminal is improved, and the power consumption of the liquid crystal substrate is reduced, which can be used for the mobile terminal section. Electricity is about 20%. Since the visual contrast is improved, the definition of the display is improved, and the problem that the user obtains the information difficult by simply reducing the backlight of the liquid crystal is avoided, and the difficulty for the user to obtain the information is not increased.
  • the mobile terminal power saving system of the embodiment may further include: a memory module, connected to the power management module and the control module, configured to switch to a preset power saving theme and adjust to a preset power saving brightness after receiving the low battery status message. Previously, the current theme and current brightness of the mobile terminal are memorized.
  • the power management module is further configured to: when the remaining power of the mobile terminal is higher than the second preset power reference value, send a low battery state release message; and the control module is further configured to receive the low battery state release message.
  • the power saving theme of the mobile terminal is automatically switched to the current theme of the memory, and the power saving brightness of the LCD backlight of the mobile terminal is adjusted to the current brightness of the memory.
  • the second preset power reference value is preferably greater than the first preset power reference value in the first embodiment, thereby achieving a hysteresis effect.
  • the first preset power reference value may also be set to be equal to the second preset power reference value.
  • Embodiment 3 This embodiment will further explain the power saving system of the mobile terminal on the basis of Embodiments 1 to 2.
  • 2 is a schematic diagram of a power saving system of a mobile terminal according to Embodiment 3 of the system of the present invention.
  • the embodiment includes: a power management module 102, a control module 104, a display module 320, a window management module 330, a theme manager 340, and a configuration management module 360.
  • the power management module 350 refers to a module responsible for battery management, power conversion, and power distribution.
  • the control module 310 is composed of a Micro-processor Unit (MPU), which controls the overall operation of the mobile terminal, and the implementation of various functions in the mobile terminal is completed by, for example, calling, sending and receiving text messages, Input method, storage phone number, call history, processing of user input (user key operation, etc.). In an embodiment of the invention, it provides special control over the image content to be displayed on the display of the mobile terminal.
  • the display module 320 refers to a liquid crystal display (LCD: Liquid Crystal Display) or the like. It displays the numbers, characters, lines, graphics, and animations generated by the mobile terminal transmitted by the control module 104 during the operation.
  • the window management module 330 is a manager that manages all forms in the mobile terminal, which is a software module.
  • the mobile terminal When the mobile terminal needs to display a new interface, it is responsible for creating a form, and then obtaining the background image, font, font size, color and the like of each control in the form from the theme, and then the window management module 330 follows the information.
  • the form is drawn and control module 310 causes display module 320 to display this.
  • the theme management module 340 refers to a manager in the mobile terminal that is responsible for managing the display style of the mobile terminal interface.
  • the so-called theme refers to a combination of the font, font size, color, picture, size, and hue of the text. Each combination method is a theme.
  • the configuration management module 360 refers to a portion responsible for reading and saving important parameters of some mobile terminals. The functions implemented in each part are specifically described below in conjunction with the implementation flow of the technical solution.
  • FIG. 3 is a flow chart showing the power saving system of the mobile terminal according to the third embodiment of the present invention.
  • the embodiment includes: Step S311: The control module 104 controls the configuration management module 360 to set the state of the automatic switching power-saving theme switch, including the on and off states.
  • step S312 the control module 104 checks the state of automatically switching the power saving theme switch.
  • the power management module knows that the state of the automatic switching power-saving theme switch is on, and sends a low-battery status message to the control module 310.
  • Step S314 after receiving the message, the control module 104 immediately performs the topic switching. The specific process of switching is like this.
  • the control module 104 controls the window management module 330 to re-render the interface.
  • the window management module 330 obtains background images, text settings, and the like of each control in the interface from the theme module 340, and waits for the window management module 330 to complete the interface. Thereafter, the control module 104 controls the display module 320 to display. At the same time, the backlight brightness of the display module 320 is adjusted to the power saving brightness.
  • the power management module 102 detects the power of the mobile terminal, and finds that the low battery state has been released, and the power management module knows that the state of the automatic power-saving power switch is turned on, and sends a low-power state release message to the control module 104.
  • Step S316 after receiving the message, the control module 104 immediately controls the configuration management module 360 to restore the theme, and the process of restoring the original theme is the same as that in S314. At the same time, the backlight brightness of the display module 320 is adjusted to the original brightness.
  • This embodiment is a refinement of the functions of the modules in the first embodiment and the second embodiment, and has all the beneficial effects of the foregoing embodiments, and is not repeatedly described herein.
  • System Embodiment 4 This embodiment will specifically describe the power saving theme in System Embodiments 1 to 3.
  • the control module includes: Normally white sub-module for power saving themes with high visual contrast that satisfies the following conditions: 1)
  • the background image provided for all controls is a pure white bitmap
  • the background image is preferably in RGB (255, 255, 255) format; 2) the main graphics in all controls are black (not excluding other dark colors); the skeleton structure outlined by the lines; 3) all texts use the smallest font preset in the mobile terminal, and It is black (not to exclude other dark colors).
  • the control module includes: Normally black sub-module for power saving themes with high visual contrast that satisfies the following conditions: 1)
  • the background image provided for all controls is a pure black bitmap.
  • the background image is preferably in RGB (0,0,0) format; 2) the main graphics in all controls are white (not excluding other light colors); the skeleton structure outlined by the lines; 3) all texts are preset using the minimum preset in the mobile terminal Font, and white (does not exclude other light colors).
  • 4 is a schematic view of a prior art scroll bar whose slide and slider are solid structures.
  • 5 is a schematic view of a scroll bar for a Normally white type liquid crystal display according to Embodiment 4 of the system of the present invention; Figure. As shown in Fig. 5, the scroll bar is a line skeleton mode, and the chute is composed of two upper and lower brackets (which may also be points, lines, or other figures).
  • FIG. 6 is a schematic illustration of a conventional theme of the prior art.
  • 7 is a schematic diagram of a power saving theme of 40 pairs of Normally white type liquid crystal panels according to Embodiment 4 of the system of the present invention. As shown in Figure 7, in this theme, the background uses a pure white picture; the main graphics in all controls are black (not to exclude other dark colors). The skeleton structure of the lines is outlined; all texts use the minimum font preset in the mobile terminal.
  • FIG. 8 is a flowchart of a power saving method of a mobile terminal according to Embodiment 1 of the method of the present invention. As shown in FIG. 8, this embodiment includes:
  • S102 Monitor a remaining power of the mobile terminal, and send a low battery status message when the remaining power is lower than the first preset power reference value; S104, automatically switch the current topic of the mobile terminal after receiving the power state message To the preset high-contrast power saving theme, and adjust the current brightness of the mobile terminal's LCD screen to the preset power-saving brightness.
  • the method may further include: memorizing the current theme and the current brightness of the mobile terminal; switching to the preset power saving
  • the theme, after adjusting to the preset power saving brightness comprises: sending a low battery state release message when the remaining power of the mobile terminal is higher than the second preset power reference value; automatically transmitting after receiving the low battery state release message
  • the power saving theme of the terminal switches to the current theme of the memory, and adjusts the power saving brightness of the liquid screen of the mobile terminal to the current brightness of the memory.
  • the device implemented in this embodiment is the device of the first embodiment and the second embodiment, and the power saving theme is the node theme described in the fourth embodiment.
  • Step 1 After booting, check the configuration of the mobile terminal, and obtain a power switch from the configuration file to automatically switch the power saving theme switch value switch AutoChgToPowerSavTheme; Step 2, determine the switch_AutoChgToPowerSavTheme value 3 ⁇ 4 ⁇ is 4 Ding, to step 4 to 3, otherwise the process is directly terminated; Step 3, the power management module periodically detects the remaining battery power, and obtains a power reference b_curr, comparing the current battery reference b_curr with The low battery reference value b_low is reported to the control module if b_curr is less than or equal to b_low.
  • Step 4 The control module receives the low battery alarm, immediately switches the theme to the power saving theme of the present invention, and adjusts the backlight brightness of the LCD to the power saving brightness l_powerSav. At the same time, the previous theme t_prev and the previous backlight brightness l_prev are recorded.
  • Step 5 When the power is restored to b_low or more, the mobile terminal automatically switches back to t_prev, and restores the backlight brightness l_prev; this embodiment does not need hardware improvement, only the built-in program is modified, which makes the liquid crystal screen of the mobile terminal larger. To the extent that power is saved, especially when the mobile terminal is low.

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  • Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Telephone Function (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Power Sources (AREA)

Abstract

本发明公开了一种移动终端节电的系统及方法。本发明通过监测移动终端的剩余电量,当剩余电量低时,在降低背光亮度的同时,采用高视觉对比度的节电主题。本发明达到了节电的同时,提高了显示清晰度,方便用户获取信息的目的。

Description

移动终端节电的系统及方法 技术领域 本发明涉及通信领域, 尤其涉及一种移动终端节电的系统及方法。 背景技术 移动终端因其功能多样, 操作简单, 便于携带等特点已成为当今人们生 活必不可少的生活用品。 现在, 影响移动终端使用的最大问题就是移动终端的待机时间。 一部款 式时尚, 故工精美, 功能强大的移动终端, 也许只因为它的待机时间短这一 点, 就会令人对它望而却步, 待机时长已经成为人们评判一部移动终端的重 要指标, 在大尺寸彩屏移动终端上, 这个问题点尤为突出。 移动终端的耗电量组成里, 液晶屏的耗电量占了很大一部分。 一般对液 晶屏釆取节电的方法仅是调整液晶屏的背光亮度。 现有技术中,公开号为
CN101378563的专利申请, 公开了如下技术方案: 釆用摄像头感光, 然后根 据外部光强调整液晶屏背光亮度, 从而达到节电的效果。 现有技术中, 液晶展可分为 Normally white和 Normally black两种, 前 者指当我们对液晶面板不施加电压时, 我们看到的面板是透光的纯白 ( 255,255,255 ) 的画面, 后者相反^ 1显示不透光的纯黑 (0,0,0 ) 画面。 由于 日常生活中使用的多为白底黑字, 使用 Normally white类型面板较节电, 所 以, 目前 Normally white类型的液晶屏使用的更为广泛, 移动终端中一般也 都是用的是 Normally white类型的液晶屏。 在实现本发明的过程中, 发明人意识到现有技术存在如下缺陷: 单纯依 靠调节液晶屏的背光亮度进行节电, 造成移动终端显示清晰度下降, 增加了 用户获取信息的难度。 发明内容 本发明目的为移动终端提供一种移动终端节电的系统及方法, 以解决单 纯依靠调节液晶屏的背光亮度进行节电, 造成移动终端显示清晰度下降, 增 加用户获取信息难度的问题。 根据本发明的一个方面, 提供了一种移动终端节电系统, 包括: 电源管 理模块, 用于监测移动终端的剩余电量, 当剩余电量低于第一预设电量参考 值时, 发送低电量状态消息; 控制模块, 用于当接收到低电量状态消息后, 将移动终端的当前主题切换至预设的高视觉对比度的节电主题, 并将移动终 端的液晶屏背光的当前亮度调节为预设节电亮度。 优选地, 本技术方案中, 移动终端节电系统还包括: 记忆模块, 用于当 接收到低电量状态消息后, 切换至预设节电主题, 在将所述移动终端的液晶 屏背光的当前亮度调节为预设节电亮度之前, 记忆移动终端的当前主题和当 前亮度; 电源管理模块, 还用于当移动终端的剩余电量高于第二预设电量参 考值时, 发送低电量状态解除消息; 控制模块, 还用于当接收到低电量状态 解除消息后, 将移动终端的节电主题切换至记忆的当前主题, 并将移动终端 的液晶屏背光的节电亮度调节为记忆的当前亮度。 优选地, 本技术方案中, 控制模块包括: Normally white子模块, 用于 当移动终端釆用 Normally white类型显示屏, 釆用满足如下条件的高视觉对 比度的节电主题: 背景图片为纯白位图; 控件图形为深色的线条勾勒的骨架 结构; 文字为移动终端中预设的深色的小字体; 或 Normally black子模块, 用于当移动终端釆用 Normally black类型显示展, 釆用满足如下条件的高视 觉对比度的节电主题: 背景图片为纯黑位图; 控件图形都为浅色的线条勾勒 的骨架结构; 文字为移动终端中预设的浅色的小字体。 才艮据本发明的另一方面, 提供了一种移动终端节电方法, 包括: 监测移 动终端的剩余电量, 当剩余电量低于第一预设电量参考值时, 发送低电量状 态消息; 当接收到低电量状态消息后, 将移动终端的当前主题切换至预设的 高视觉对比度的节电主题, 并将移动终端的液晶屏背光的当前亮度调节为预 设节电亮度。 本发明通过移动终端内置的电源管理模块监测移动终端的剩余电量, 当 剩余电量低时, 在降低背光亮度的同时, 釆用高视觉对比度的节电主题。 通 过上述技术手段, 解决了单纯依靠调节液晶屏的背光亮度进行节电, 造成移 动终端显示清晰度下降,增加用户获取信息难度的问题, 达到了节电的同时, 提高了显示清晰度, 方便用户获取信息的目的。 附图说明 此处所说明的附图用来提供对本发明的进一步理解, 构成本申请的一部 分, 本发明的示意性实施例及其说明用于解释本发明, 并不构成对本发明的 不当限定。 在附图中: 图 1为才艮据本发明系统实施例一的移动终端节电系统的示意图; 图 2为才艮据本发明系统实施例三的移动终端节电系统的示意图; 图 3为才艮据本发明系统实施例三的移动终端节电系统实现氐电量节电的 流程图; 图 4为现有技术滚动条的示意图; 图 5为根据本发明系统实施例四的针对 Normally white类型液晶屏的滚 动条的示意图; 图 6为现有技术釆用传统主题的示意图; 图 7为根据本发明系统实施例四的针对 Normally white类型液晶展的节 电主题的示意图; 图 8为才艮据本发明方法实施例一的移动终端节电方法的流程图。 具体实施方式 下文中将参考附图并结合实施例来详细说明本发明。 需要说明的是, 在 不冲突的情况下, 本申请中的实施例及实施例中的特征可以相互组合。 系统实施例一: 图 1为本发明系统实施例一移动终端节电系统的示意图。 如图 1所示, 本实施例公开了一种移动终端节电系统, 包括: 电源管理模块 102 , 用于监 测移动终端的剩余电量, 当剩余电量低于第一预设电量参考值时, 发送低电 量状态消息; 控制模块 104 , 与电源管理模块 102相连, 用于当接收到低电 量状态消息后, 将移动终端的当前主题切换至预设的高视觉对比度的节电主 题, 并将移动终端的液晶屏背光的当前亮度调节为预设节电亮度。 本实施例中, 第一预设电量参考值可以釆取移动终端默认的低电量报警 值,也可以由用户根据自身设定,从而实现了用户对移动终端的个性化设置。 预设的节电主题可以由用户自己设定, 也可以由移动终端内部固化, 其共同 点在于, 具有高视觉对比度。 本实施例通过调节液晶屏背光亮度和优化液晶屏显示内容, 降氏了液晶 屏背光的耗电量, 提高了移动终端主题的视觉对比度, 降低了液晶基板的耗 电量, 可以为移动终端节电 20%左右。 由于视觉对比度提高, 提高了显示的 清晰度, 避免了单纯降低液晶屏背光造成用户获取信息困难的问题, 不增加 用户获取信息的难度。 系统实施例二: 本实施例将在实施例一的基础上, 对移动终端节电系统做进一步说明。 本实施例移动终端节电系统还可以包括: 记忆模块, 与电源管理模块和控制 模块相连, 用于当接收到低电量状态消息后, 切换至预设节电主题, 调节为 预设节电亮度之前, 记忆移动终端的当前主题和当前亮度。 本实施例中, 电源管理模块, 还用于当移动终端的剩余电量高于第二预 设电量参考值时, 发送低电量状态解除消息; 控制模块, 还用于当接收到低 电量状态解除消息后, 自动将移动终端的节电主题切换至记忆的当前主题, 并将移动终端的液晶屏背光的节电亮度调节为记忆的当前亮度。 本实施例中, 第二预设电量参考值优选为大于实施例一中的第一预设电 量参考值, 从而达到一个迟滞效果。 当然为简便起见, 也可以设定第一预设 电量参考值也可以等于第二预设电量参考值。 本实施例在进行节电切换时, 对切换前的设置进行保存, 当低电量状态 解除时, 自动恢复切换前的原设置, 实现了节电主题切换的智能化, 更加方 便了用户使用。 系统实施例三: 本实施例将在实施例一至二的基础上, 对移动终端节电系统做进一步说 明。 图 2为才艮据本发明系统实施例三的移动终端节电系统的示意图。 如图 2 所示, 本实施例包括: 电源管理模块 102、 控制模块 104、 显示模块 320、 窗 口管理模块 330、 主题管理器 340、 配置管理模块 360。 电源管理模块 350指负责电池管理, 电源转换和配电的模块。 控制模块 310由 ^啟处理器单元 (MPU: Micro-processor Unit ) 构成, 它 控制移动终端的整体操作 ,移动终端中的各种功能的实现都要通过它来完成, 如: 呼叫, 收发短信, 输入法, 存储电话号码, 通话记录, 对用户输入 (用户 按键操作等)的处理等。 在本发明中的实施例中, 它对移动终端显示屏要显示 的图像内容进行特别的控制。 显示模块 320指液晶显示屏( LCD: Liquid Crystal Display )或类似设备。 它对控制模块 104传送来的移动终端在操作中生成的数字、 文字、 线条、 图 形、 动画进行显示。 窗口管理模块 330是管理移动终端中所有窗体的管理者, 它是一个软件 模块。 当移动终端需要新显示一个界面的时候, 它会负责创建一个窗体, 紧 接着从主题中获取窗体中各个控件的背景图片、 字体、 字号、 颜色等信息, 随后窗口管理模块 330按照这些信息将窗体绘制出来, 控制模块 310使显示 模块 320对此进行显示。 主题管理模块 340指移动终端中负责管理移动终端界面显示风格的管理 者。 所谓主题是指一种对文字的字体、 字号、 颜色, 图片、 尺寸, 色调的组 合方法, 每一种组合方法即一种主题。 配置管理模块 360指负责读取、 保存一些移动终端的重要参数的部分。 以下结合本技术方案的实现流程, 具体说明各部分实现的功能。 图 3为 才艮据本发明实施例三的移动终端节电系统实现氐电量节电的流程图。 如图 3 所示, 本实施例包括: 步骤 S311 ,控制模块 104控制配置管理模块 360对自动切换节电主题开 关状态进行设置, 包括开和关两种状态。 步骤 S312, 控制模块 104检查自动切换节电主题开关的状态。 步 4聚 S313 , 电源管理模块 102检测移动终端电量, 发现电量氏, 电源管 理模块得知自动切换节电主题开关的状态为打开, 向控制模块 310发送进入 低电量状态消息。 步骤 S314, 控制模块 104收到消息后, 立刻进行主题切换。 切换的具体 过程是这样的。 控制模块 104控制窗口管理模块 330对界面进行重新绘制, 这个过程中, 窗口管理模块 330从主题模块 340处获取界面中各个控件的背 景图片, 文字设置等信息, 待窗口管理模块 330将界面绘制完成后, 控制模 块 104控制显示模块 320进行显示。 同时, 将显示模块 320的背光亮度调整 为节电亮度。 步骤 S315 , 电源管理模块 102检测移动终端电量, 发现低电量状态已解 除,电源管理模块得知自动切换节电主题开关的状态为打开,向控制模块 104 发送低电量状态解除消息。 步骤 S316, 控制模块 104收到消息后, 立刻控制配置管理模块 360对主 题进行恢复, 具体恢复原主题过程与 S314 中相同。 同时, 将显示模块 320 的背光亮度调整为原亮度。 本实施例为实施例一和实施例二各模块实现功能的细化, 具有上述实施 例的全部有益效果, 此处不再重述。 系统实施例四: 本实施例将对系统实施例一至三中的节电主题进行具体说明。 对于 Normally white类型液晶屏,控制模块包括: Normally white子模块, 用于釆用满足如下条件的高视觉对比度的节电主题: 1 ) 为所有控件提供的 背景图片都是一张纯白色的位图, 背景图片优选为 RGB(255,255,255)格式; 2 ) 所有控件中主要图形都为黑色 (不排除其他深色) 线条勾勒的骨架结构; 3 ) 所有文字均使用移动终端中预置的最小字体, 且为黑色 (不排除其他深 色)。 对于 Normally black类型液晶屏,控制模块包括: Normally black子模块, 用于釆用满足如下条件的高视觉对比度的节电主题: 1 ) 为所有控件提供的 背景图片都是一张纯黑色位图, 背景图片优选为 RGB(0,0,0)格式; 2 )所有控 件中主要图形都为白色 (不排除其他浅色) 线条勾勒的骨架结构; 3 ) 所有 文字均使用移动终端中预置的最小字体, 且为白色 (不排除其他浅色)。 图 4为现有技术滚动条的示意图, 其滑槽和滑块为实心结构。 图 5为根 据本发明系统实施例四的针对 Normally white 类型液晶展的滚动条的示意 图。 如图 5所示, 本滚动条为线条骨架方式, 滑槽由上下两个类似括号 (也 可以是点、 直线、 或其他图形) 的图形构成。 滑块和滑槽结构相似, 不同的 是在上下两个图形中间有一个竖线图形 (也可以是点、 直线、 或其他图形)。 此设计不受滚动条方向的限制, 水平滚动条同理。 这样设计可以最大程度的 减少液晶基板加电象素的个数。 图 6为现有技术釆用传统主题的示意图。 图 7为根据本发明系统实施例 四的 4十对 Normally white类型液晶屏的节电主题的示意图。 如图 7所示, 该 主题中, 背景釆用纯白色图片; 所有控件中主要图形都为黑色 (不排除其他 深色) 线条勾勒的骨架结构; 所有文字均使用移动终端中预置的最小字体, 且为黑色 (不排除其他深色)。 对于 Normally black类型液晶屏, 其控件外观与 Normally white类型相 同, 只是颜色正好相反。 本实施例中, 釆用上述设计, 图形简单明了, 同时减少了加电象素的个 数, 在不降低屏幕对比度的情况下, 达到了节电的目的。 方法实施例一: 图 8为根据本发明方法实施例一的移动终端节电方法的流程图。 如图 8 所示, 本实施例包括:
S 102, 监测移动终端的剩余电量, 当剩余电量低于第一预设电量参考值 时, 发送低电量状态消息; S 104, 当接收到氐电量状态消息后, 自动将移动终端的当前主题切换至 预设的高视觉对比度的节电主题, 并将移动终端的液晶屏的当前亮度调节为 预设节电亮度。 本实施例中, 当接收到低电量状态消息后, 切换至预设节电主题, 调节 为预设节电亮度之前还可以包括: 记忆移动终端的当前主题和当前亮度; 切 换至预设节电主题, 调节为预设节电亮度之后对应包括: 当移动终端的剩余 电量高于第二预设电量参考值时, 发送低电量状态解除消息; 当接收到低电 量状态解除消息后, 自动将移动终端的节电主题切换至记忆的当前主题, 并 将移动终端的液晶屏的节电亮度调节为记忆的当前亮度。 本实施例实现的装置为实施例一和实施例二的装置, 并且节电主题为实 施例四描述的节点主题。 本实施例具有上述实施例的全部有益效果, 此处不 再重述。 方法实施例二: 本实施例将在方法实施例一的基础上, 对各实现步骤进行细化。 本实施 例移动终端节电方法, 具体包括: 步骤 1、 开机后, 检查移动终端的配置情况, 从配置文件中获取移动终 端氐电量自动切换节电主题开关值 switch AutoChgToPowerSavTheme; 步骤 2、 判断 switch_AutoChgToPowerSavTheme值, ¾口果是 4丁开, 到步 4聚 3 , 否则直接结束流程; 步骤 3、 电源管理模块定时检测电池当前电量剩余情况, 得到一个电量 参考值 b_curr, 比较当前的电量参考值 b_curr与预设的低电量参考值 b_low, 如果 b_curr小于等于 b_low,则上报给控制模块。反之,如果 b_curr大于 b_low 直接结束流程; 步骤 4、 控制模块收到低电量告警, 立即将主题切换到本发明节电主题, 并将液晶屏背光亮度调整到节电亮度 l_powerSav。 同时, 将先前主题 t_prev 和先前的背光亮度 l_prev记录下来。 步骤 5、 当电量恢复到 b_low以上时, 移动终端自动切换回 t_prev, 并 恢复背光亮度 l_prev; 本实施例不需要进行硬件改进, 仅对内置程序进行修改, 它使移动终端 的液晶屏幕在更大程度上的做到了节电, 尤其在移动终端低电量时。 本实施 例实现的方法可以参照方法实施例一的具体说明, 并且实现方法更加具体, 具有上述实施例的全部有益效果, 此处不再重述。 显然, 本领域的技术人员应该明白, 上述的本发明的各模块或各步骤可 以用通用的计算装置来实现, 它们可以集中在单个的计算装置上, 或者分布 在多个计算装置所组成的网络上, 可选地, 它们可以用计算装置可执行的程 序代码来实现, 从而, 可以将它们存储在存储装置中由计算装置来执行, 并 且在某些情况下, 可以以不同于此处的顺序执行所示出或描述的步骤, 或者 将它们分别制作成各个集成电路模块, 或者将它们中的多个模块或步骤制作 成单个集成电路模块来实现。 这样, 本发明不限制于任何特定的硬件和软件 结合。 以上所述仅为本发明的优选实施例而已, 并不用于限制本发明, 对于本 领域的技术人员来说, 本发明可以有各种更改和变化。 凡在本发明的 ^"神和 原则之内, 所作的任何修改、 等同替换、 改进等, 均应包含在本发明的保护 范围之内。

Claims

权 利 要 求 书
1. 一种移动终端节电系统, 其特征在于, 包括:
电源管理模块, 用于监测所述移动终端的剩余电量, 当所述剩余电 量低于第一预设电量参考值时, 发送低电量状态消息;
控制模块, 用于当接收到所述低电量状态消息后, 将所述移动终端 的当前主题切换至预设的高视觉对比度的节电主题, 并将所述移动终端 的液晶屏背光的当前亮度调节为预设节电亮度。
2. 根据权利要求 1所述的系统, 其特征在于, 还包括:
记忆模块, 用于当接收到所述低电量状态消息后, 切换至预设节电 主题, 在将所述移动终端的液晶屏背光的当前亮度调节为预设节电亮度 之前, 记忆所述移动终端的当前主题和当前亮度;
所述电源管理模块, 还用于当所述移动终端的剩余电量高于第二预 设电量参考值时, 发送低电量状态解除消息;
所述控制模块, 还用于当接收到所述低电量状态解除消息后, 将所 述移动终端的节电主题切换至记忆的所述当前主题, 并将所述移动终端 的液晶屏背光的节电亮度调节为记忆的所述当前亮度。
3. 根据权利要求 1所述的系统, 其特征在于, 所述控制模块包括:
Normally white子模块,用于当所述移动终端釆用 Normally white类 型显示屏, 釆用满足如下条件的高视觉对比度的节电主题: 背景图片为 纯白位图; 控件图形为深色的线条勾勒的骨架结构; 文字为所述移动终 端中预设的深色的小字体; 或
Normally black子模块, 用于当所述移动终端釆用 Normally black类 型显示屏, 釆用满足如下条件的高视觉对比度的节电主题: 背景图片为 纯黑位图; 控件图形都为浅色的线条勾勒的骨架结构; 文字为所述移动 终端中预设的浅色的小字体。
4. 根据权利要求 3所述的系统, 其特征在于, 所述深色为黑色, 或所述浅 色为白色。
5. 根据权利要求 1-4中任一项所述的系统, 其特征在于, 还包括: 配置模块, 与所述控制模块相连, 用于存储配置信息, 所述配置信 息用于配置移动终端切换至预设节电主题, 调节为预设节电亮度;
所述控制模块, 还用于在接收到所述低电量状态消息后, 从所述配 置模块获取所述配置信息 ,根据所述配置信息进行主题切换和背光调节。
6. —种移动终端节电方法, 其特征在于, 包括:
监测所述移动终端的剩余电量, 当所述剩余电量低于第一预设电量 参考值时, 发送低电量状态消息;
当接收到所述低电量状态消息后, 将所述移动终端的当前主题切换 至预设的高视觉对比度的节电主题, 并将所述移动终端的液晶屏背光的 当前亮度调节为预设节电亮度。
7. 根据权利要求 6所述的方法, 其特征在于, 还包括:
当接收到所述低电量状态消息后, 切换至预设节电主题; 在将所述移动终端的液晶屏背光的当前亮度调节为预设节电亮度之 前, 还包括: 记忆所述移动终端的当前主题和当前亮度;
在将所述移动终端的当前主题切换至预设的高视觉对比度的节电主 题, 并将所述移动终端的液晶屏背光的当前亮度调节为预设节电亮度之 后, 还包括: 当所述移动终端的剩余电量高于第二预设电量参考值时, 发送低电量状态解除消息; 当接收到所述低电量状态解除消息后, 自动 将所述移动终端的节电主题切换至记忆的所述当前主题, 并将所述移动 终端的液晶屏的节电亮度调节为记忆的所述当前亮度。
8. 根据权利要求 6所述的方法, 其特征在于:
当所述移动终端釆用 Normally white类型显示屏, 则所述高视觉对 比度的节电主题中: 背景图片为纯白位图; 控件图形为深色的线条勾勒 的骨架结构; 文字为所述移动终端中预设的深色的最小字体;
或当所述移动终端釆用 Normally black类型显示展, 则所述高视觉 对比度的节电主题中: 背景图片为纯黑位图; 控件图形都为浅色的线条 勾勒的骨架结构; 文字为所述移动终端中预设的浅色的最小字体。
9. 根据权利要求 8所述的方法, 其特征在于, 所述深色为黑色, 或所述浅 色为白色。 根据权利要求 6-9中任一项所述的方法, 其特征在于:
在监测所述移动终端的剩余电量之前, 还包括: 存储配置信息, 所 述配置信息用于配置移动终端进行主题切换和背光调节;
在接收到所述低电量状态消息之后, 还包括: 获取所述配置信息, 根据所述配置信息进行主题切换和背光调节。
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