CN101526842A - Calculating device using auxiliary display controller and method - Google Patents
Calculating device using auxiliary display controller and method Download PDFInfo
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- CN101526842A CN101526842A CN200810082386A CN200810082386A CN101526842A CN 101526842 A CN101526842 A CN 101526842A CN 200810082386 A CN200810082386 A CN 200810082386A CN 200810082386 A CN200810082386 A CN 200810082386A CN 101526842 A CN101526842 A CN 101526842A
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Abstract
The invention provides a calculating device using an auxiliary display controller and a method. The calculating device comprises a display, a central processing unit (CPU) which has the operation states of shutdown and operating and the auxiliary display controller, wherein the auxiliary display controller keeps operating under the shutdown operation state of the CPU. The calculating device further comprises a switch which is used for connecting the CPU to the display when the CPU is in the operating state so as to display first information generated by the CPU, and connecting the auxiliary display controller to the display when the CPU is in the shutdown operation state so as to display second information generated by the auxiliary display controller. The method and the device can be used for any calculating terraces which are used for outputting the information to any displays or screens to reduce the power consumption.
Description
Technical field
The present invention is about computer system in general, and particularly, is to reduce the method and system of computer power loss about the calculation element of the graphoscope that uses auxiliary display controller and method.
Background technology
In some computer configuration, when computing machine cuts out or during dormancy, uses auxiliary display module to show selected information.For example, auxiliary display module can show electronic mail message, calendar watch clauses and subclauses, new important news and other information.Some auxiliary display module comprises the secondary monitor that separates with the computing machine basic display unit.
Windows Sideshow
TWBe that (it makes many kinds of assistant display devices can be connected to Windows Vista for Redmond, the product line that Washington) provides by Microsoft company
TMApplication program.For example, in following document the auxiliary display module of using Windows Sideshow to carry out work is illustrated: Fuller is at " Auxiliary Display Platform in Longhorn " (WindowsHardware Engineering Conference (WinHEC) 2005, Seattle, Washington, 25-27 day in April, 2005) explanation of being done in, and Polivy (WinHEC 2006 at " Building Remote and IntegratedAuxiliary Display Devices for Windows SideShow ", Seattle, Washington, 23-25 day in May, 2006) explanation of being done in.
Some aspect to the secondary monitor operation in patent documentation is illustrated.For example, the U.S. Patent Application Publication case promptly illustrates a kind of supplementary display packing and system that is used for calculation element for No. 2006/0007051.Secondary monitor is integrated mutually with computing system, to provide one at the periphery place so that the zone of notice to be provided from screen (off-screen) mode.Whenever background work when the basic display unit of system sends notice, all make described notice changed course and be shown on the secondary monitor.Secondary monitor can place on the central processing unit base plate or with pilot lamp and together place the monitor edge, so that simple peripheral vision notice to be provided.By pushing a button, the user can obtain extra detailed follow-up information.
The U.S. Patent Application Publication case illustrates a kind of framework No. 2005/0243021, and application program can provide data to assistant display device by this kind framework, to be shown to the user.One defined application layer allows that program provides data to a service routine, the control of described service routine to the assistant display device output data and the user when actuator and described device carry out appropriate reciprocation to application program foldback navigation data.Described framework further provides agreement (protocol) layer, and described agreement layer makes various types of displays all can be used as secondary monitor.
The U.S. Patent Application Publication case also is illustrated assistant display device for No. 2005/0262302, No. 2005/0243019 and No. 2005/0243020.
Summary of the invention
Low-power consumption (power consumption) is the problem of primarily being considered in many computing platform designs.Reduce power consumption and can prolong the computer battery life-span, reduce thermal value, strengthen computer reliability and help to satisfy environmental standard.Computing machine institute consumed power be by CPU (central processing unit) (CentralProcessing Unit greatly; CPU) and perimeter component cause, especially when described these devices are operated with high time clock speed.
For saving power, computing machine usually has one or more predefined mode of operation of cutting out, and in the mode of operation of closing, other elements of CPU and perimeter component thereof and computing machine all decommission.
When embodiments of the invention are provided for the operational computations machine and particularly are used for closing at computing machine (for example being in sleep pattern or dormancy) on graphoscope the method and system of display message.According to described these method and system, computing machine comprises auxiliary display controller, be used to drive graphoscope and when CPU is in closed condition to user's display message.Compare with CPU, primary memory and system chipset, auxiliary display controller has simpler framework and significantly reduced computing power usually, and but then, its power consumption is much lower.
Described computing machine further comprises switch, and being used for selecting is to drive graphoscope by CPU or by auxiliary display controller.Described switch under normal circumstances is predetermined to be display is connected to the cpu chip group.And when needs carry out low-power operation, then switch described switch, thereby come driving display by auxiliary display controller.In certain embodiments, come gauge tap by embedded controller, regardless of the mode of operation of CPU and auxiliary display controller, described embedded controller all is in operating state always.In the embodiment of another form, then come gauge tap by auxiliary display controller.
Can trigger so that display is switched to auxiliary display controller by various conditioned disjunction incidents.For example, whenever main system (cpu chip group) according to user order and/or lower or exhaust when entering closed condition because of the computer battery electric weight, but just driving display of auxiliary display controller.Usually, before switching display, main system intercoms mutually with auxiliary display controller, with swap data and/or application code.
In addition, be display message on graphoscope, auxiliary display controller sometimes executable application programs and/or with user's reciprocation.For example, auxiliary display controller can be accepted user's input that keyboard keys in that uses a computer by embedded controller.Auxiliary display controller can carry out limited function operating system, carry out and application program that its computing power and framework are complementary and/or storage data in its storer.Thus, promptly can be the computation schema that the user provides a kind of part ability, in this kind pattern, computing machine is in operation, but the power consumption of being drawn only is one of a few minutes of normal power consumption.
And, method and system as herein described make a user can when main system is closed, use a computer display apace access have ageing information.And when using existing method, desire when main system is closed access information then to relate to and use the operating system and the application program of host CPU chipset to start the host CPU chipset, this is generally long process of a few minutes.On the contrary, use method and system as herein described, then almost can be in seconds immediately to user's display message.When the host CPU chipset is operating state, also can use this kind feature.
Read hereinafter to the detailed description of the embodiment of the invention in conjunction with the accompanying drawings, will more fully understand the present invention.
Description of drawings
Fig. 1 is a calcspar according to an embodiment of the invention, and it is illustration one computing machine schematically.And
Fig. 2 is a process flow diagram according to an embodiment of the invention, and schematically illustration is a kind of is used for switching computer method of operating between CPU (central processing unit) (CPU) and auxiliary display controller for it.
Drawing reference numeral
20: computing machine
24: display
28: keyboard
30: embedded controller
32: CPU (central processing unit) (CPU) chipset
36：CPU
40: storer
44: graphic process unit (GP)
48: battery
52: auxiliary display module
56: auxiliary display controller
60: supplementary storage
64: secondary monitor
68: auxiliary keypad
72: boosting battery
76: transceiver
80: interface
84: switch
Embodiment
System specialization:
Fig. 1 is a calcspar according to an embodiment of the invention, and it is illustration computing machine 20 schematically.Computing machine 20 comprises laptop computer, mobile computer or flat computer, desktop PC, super mobile computing device or any other suitable computing platform.Generally speaking, method and system as herein described can be used for any in the computing platform of display or screen output information to reduce power consumption.
Computing machine 20 comprises in order to display 24 and keyboard 28 to user's display message, and the user can use keyboard 28 to computer input information.Computing machine comprises embedded controller 30, is used for the various power management functions of object computer, and particularly allows different computer module running and decommissioning as required.Regardless of the mode of operation of computing machine, embedded controller 30 all is continuously operating state.In addition, embedded controller 30 reads in the thump of keying on the keyboard 28, and the input of being keyed in is offered computing machine.
Computing machine 20 comprises CPU (central processing unit) (CPU) chipset 32, and cpu chip group 32 comprises CPU36, storer 40 and graphic process unit (GP) 44.Chipset 32 can have existing any suitable configuration in this technology.For example, CPU 36 can comprise any existing microprocessor or microprocessor combination, and storer 40 can comprise one or more memory storage of any type.Other elements of cpu chip group 32 and display 24 and computing machine 20 are all by battery 48 power supplies.
GP 44 is used to produce a kind of shows signal, and described shows signal has by what cpu chip group 32 was produced and is used to be presented at information on the display 24.The shows signal that GP 44 is produced can meet arbitrary existing digital figure standard, and (for example uses low voltage difference citation (LowVoltage Differential Signaling by high speed digital interface; LVDS)) to provide to display 24.
The running of computing machine in the mode of operation of closing:
For reducing the power of drawing from battery 48, computing machine 20 can enter one or more mode of operation of cutting out.In the context of present application for patent and claims, term " is closed (switched off) " and is used to illustrate various possible operator scheme and the state of wherein forbidding the most of functions of computing machine for saving power.For example, closed condition can comprise state or the pattern that computing machine wherein was de-energized, was in sleep pattern, dormancy or standby.For example, when computing machine cut out, cpu chip group 32 decommissioned.
Conversion between different modes of operation is normally managed by the embedded controller 30 that remains running.Can trigger to enter a kind of closed condition by various conditions and incident, this will be described in further detail below.
Computing machine 20 further comprises auxiliary display module 52, to be used for when the cpu chip group is closed to user's display message.Module 52 can be positioned on the same circuit board with cpu chip group 32, perhaps can constitute independent unit.Auxiliary display module comprises auxiliary display controller 56, being used to handling information to display, and comprises a kind of supplementary storage 60, to be used for making controller 56 at this supplementary storage 60 store informations and/or procedure code.
In certain embodiments, controller 56 uses transceiver 76 driving displays 24.Transceiver 76 produces a kind of shows signal according to the appropriate interface or the form that are used for driving display 24, for example the LVDS signal.Transceiver 76 is generally used for a kind of display format is transformed into another kind of display format.For example, in certain embodiments, auxiliary display controller 56 can produce the shows signal with RGB 565 forms, and display 24 then is configured to use four-wire system LVDS input.In these situations, transceiver 76 is transformed into the form that display 24 is supported with the shows signal that controller 56 is provided.In the embodiment of display 24 energy support controller 56 forms that produce, can omit transceiver 76.
Optionally, controller 56 also can with secondary monitor 64 that display 24 separates on display message.In described these embodiment, module 52 comprises auxiliary keypad 68 sometimes, and the user can use this auxiliary keypad 68 to come scrolling, selection or otherwise handle by the shown information of auxiliary display module.Described keypad comprises the button of lesser amt usually, for example arrow key and/or " input (enter) " key.Although module 52 is normally by battery 48 power supplies, yet in some cases, auxiliary display module comprises extra boosting battery 72.
Computing machine 20 comprises switch 84, is used to select to be to use the output of GP 44 also to be to use the output of transceiver 76 to come driving display 24.In other words, switch 84 decision displays are to show information that is produced by CPU 36 or the information that is produced by auxiliary display controller 56.As hereinafter explaining, described switch both can also can be controlled by embedded controller 30 by auxiliary display controller 56 controls.
In certain embodiments, switch 84 and transceiver 76 are integrated in the single assembly.In other embodiments, with switch 84 and transceiver 76 may be integrated in the auxiliary display controller 56.In described these embodiment, the output of GP 44 is provided to controller 56.
Usually, CPU 36, embedded controller 30 and auxiliary display controller 56 comprise the processor of general purpose, and it carries out sequencing in software, to carry out function as herein described.Software can for example be downloaded in the processor with electronic form by network, perhaps also can provide to processor on tangible (tangible) medium such as for example CD-ROM.
Fig. 2 is a process flow diagram according to an embodiment of the invention, and it is a kind of method that is used in the mode of operation of CPU36 and 56 switching computers 20 of auxiliary display controller of illustration schematically.In described method, at first, in operation steps 90, computing machine is an operating state.In described state, come operation display 24 and keyboard 28 by cpu chip group 32.Switch 84 is switched to the output by graphic process unit 44 and comes driving display 24.
In data sync step 94, for ready for may be converted to closing state, CPU 32 and auxiliary display controller 56 exchange messages.For example, the information that is sent to auxiliary display controller from CPU can comprise by the last look of the shown item of information of auxiliary display controller and/or when computing machine is operated in closing state auxiliary display controller with the procedure code of carrying out.Auxiliary display controller can be confirmed the information that receives by interface 80, perhaps sends any other information to CPU 36.
In closing condition evaluation step 98, embedded controller 30 need to judge whether the conversion of startup to closed condition.Can trigger to be converted to closing state by variety of event or condition.For example, can for example use on/off switch or keyboard commands that computing machine cuts out or make it be in standby (standby) state by the user.Computing machine also can enter closing state when user's activity (for example keystroke or rolling mouse) not occurring in the cycle sometime automatically detecting.Lower or when exhausting when the electric weight of battery 48, for example reduce to a certain threshold value when following when its voltage, also can be converted to closing state automatically.In described these embodiment, embedded controller or auxiliary display controller monitoring battery condition and configuration switch 84 accordingly.In addition or another be chosen as, embedded controller can be assessed any other suitable condition, so as to judging whether to enter closing state.
In step 90 and 94, as long as do not satisfy any condition of closing, computing machine just continues to operate in operating state.In auxiliary switch step 102, when satisfying switching condition, embedded controller just switches switch 84.Switch 84 is configured to use the output of transceiver 76, promptly, uses the information that auxiliary display controller produced, and comes driving display 24.In the operation steps 106 of closing, computing machine enters and begins and operates with closing state.Embedded controller decommissions the part of cpu chip group 32 or described chipset, so as to reducing the power of being drawn from battery 48.
When closing state was operated, auxiliary display controller is display message on display 24.In certain embodiments, described information is in a specific localized areas of display 24, is for example showing in the single row of screen top or bottom or in any other suitable zones.Demonstration is limited to zone relatively little in the screen can reduces the power consumption of display 24 and the size of storer 60.
For example, in some cases, display 24 comprises a plurality of backlights.When only in display one than the zonule in during display message, can allow some lamp decommission, to reduce power consumption.
As mentioned above, auxiliary display controller can be carried out some application program when computing machine is in closing state.In some cases, auxiliary display controller is carried out an operating system, for example Windows Mobile, Windows CE, NET Micro Framework.Auxiliary display controller usually with the used data storing of application program in storer 60.
Because regardless of the mode of operation of computing machine, embedded controller 30 is in operating state, thereby the sustainable monitoring keyboard 28 of embedded controller, and any user's that will be keyed on keyboard input provides to auxiliary display controller 56 all always.Therefore, application program of carrying out on auxiliary display controller and/or operating system can relate to the input of accepting the user from keyboard 28.In certain embodiments, embedded controller can be accepted input from other input medias such as for example mouses, and provides operating system and/or the application program of carrying out on auxiliary display controller 56 with described input.
For example, when CPU 36 carries out email application, auxiliary display controller can be carried out the application program of a limited function, so that a user watches and answers by the electronic mail message that main email application received of CPU and/or writes new message.Before switching to closed condition, in above-mentioned steps 94, CPU is sent to auxiliary display controller with some or all electronic mail messages (for example still unanswered one group of message).And in closing state, the user can use the application program of carrying out on auxiliary display controller to watch and respond described these messages.When returning operating state, the message that auxiliary display controller will newly form is sent to the main email application of CPU, by main email application message is sent to its destination.
Therefore, make computing machine 20 can in closing state, be used as one only to have the computing machine that limited function move fully, only draw the power of battery of minimum simultaneously although on controller 56, carry out these application programs.Decide on used specific battery and display,, in this kind state, can save the nearly power of 70-85% with respect to the power consumption of the operating state in the above-mentioned steps 90.
As mentioned above, auxiliary display controller 56 also make a user apace access have ageing information, and need not to use the operating system of cpu chip group and application program to start (boot) cpu chip group.
In unlocking condition appraisal procedure 110, in the operating period of closing, embedded controller 30 checks whether be converted to operating state.For example, can trigger the incident that is converted to operating state can comprise: the user opens computer power supply or computing machine is waken up from dormant state, or any other suitable incident or condition.
Get back to step 106 when not satisfying condition.In step 114, when satisfying the condition of opening, embedded controller is set switch 84 by the graphic process unit 44 of cpu chip group 32 for is come driving display 24.Embedded controller starts the cpu chip group.CPU and auxiliary display controller can intercom mutually, keep synchronously so as to making CPU and the information that may change in the operating period of closing.As mentioned above, the information that is sent to CPU can comprise by the information of carrying out on auxiliary display controller that application program produced.Optionally, embedded controller can allow supplementary module 52 decommission.Then, described method circulation is back to above-mentioned steps 90, and computing machine continues to operate with operating state.
Last Fig. 2 shows the explanation to a kind of exemplary method.Perhaps, also can be used in any other suitable method that 56 of CPU 36 and auxiliary display controllers switch the mode of operation of described computing machine 20.For example, can or replace described embedded controller 30 by auxiliary display controller 56 and implement assessment (in above-mentioned steps 98) the condition of closing by CPU 32.Similarly, can implement assessment (in above-mentioned steps 110) by controller 56 to the condition of opening.In the explanation of Fig. 2, auxiliary display controller uses keyboard 28 and user's reciprocation.Perhaps, also can use and only relate to information and show and do not need the user to carry out interactive simpler embodiment.
Above the explanation to Fig. 2 relates to single mode of operation of closing of planting.In the embodiment that substitutes, computing machine 20 can have multiple closing state, and described these closed conditions have nothing in common with each other aspect the conditioned disjunction incident that is converted to or withdraws from each state in function aspects and being used to trigger.Auxiliary display controller can only be used among the subclass of described these closed conditions, and/or can have different functions in each state.When the cpu chip group operates, can allow auxiliary display module decommission, perhaps it also can keep operating state.
Although embodiment described herein has mainly discussed mobile computing device, yet principle of the present invention also can be used for the computing platform that any other need save the operation of power.For example, these platforms can comprise mobile computer, super mobile system, Industrial PC design, dull and stereotyped PC and many other computing platforms.
Therefore, should be appreciated that, embodiment mentioned above just for example, and the present invention is not limited only to the above concrete content that shows and illustrate of institute.But, scope of the present invention both comprised various combination of features mentioned above and sub-portfolio, also comprise grasp this operator read above that explanation back institute will expect and in the prior art the not variation of the present invention and the modification of exposure.
Claims (21)
1. a calculation element is characterized in that, it comprises described device:
Display;
CPU (central processing unit), the mode of operation that it has running and closes;
Auxiliary display controller, it keeps running when described CPU is in described mode of operation of closing; And
Switch, it is used for when described CPU is in described running mode of operation described CPU being connected to described display, so as to the first information that shows that described CPU produces, and when described CPU is in described mode of operation of closing, described auxiliary display controller is connected to described display, so as to showing second information by described auxiliary display controller produced.
2. device as claimed in claim 1, it is characterized in that, described device comprises power supply, described power supply is used to provide electric power to operate described device, wherein said CPU draws first power level from described power supply, and wherein said auxiliary display controller absorbs second power level from described power supply, and described second power level is lower than described first power level.
3. device as claimed in claim 1, it is characterized in that, described device comprises embedded controller, wherein by described embedded controller, at least one processor of selecting in the processor group that described auxiliary display controller and described CPU constituted is arranged for assessing a kind of switching condition and controls described switch according to described switching condition.
4. device as claimed in claim 3 is characterized in that described device comprises power supply, and described power supply is used to provide electric power to operate described device, and wherein said switching condition depends on the situation of described power supply.
5. device as claimed in claim 1 is characterized in that, wherein said auxiliary display controller is arranged in and shows described second information in the regional area of described display.
6. device as claimed in claim 1, it is characterized in that, wherein said auxiliary display controller is arranged in described second information of output in the shows signal with first display format, wherein said display support is different from second display format of described first display format, and described device comprises transceiver, and described transceiver is arranged to and will is become described second form and the shows signal after the described conversion is provided to described display from described first format conversion by described shows signal that described auxiliary display controller produced.
7. device as claimed in claim 1 is characterized in that, wherein said CPU and described auxiliary display controller are arranged to when intercoming mutually when switching between described running and the mode of operation of closing, with swap data.
8. device as claimed in claim 1, it is characterized in that, described device comprises keyboard, wherein said CPU is arranged in the described running mode of operation and accepts input and act on described input from the user by described keyboard, with with described user's reciprocation, and wherein said auxiliary display controller is arranged in executive software application program when being in described mode of operation of closing, so that described user uses described keyboard and described display to come deal with data, and when switching to described running mode of operation, the data after the described processing are provided to described CPU.
9. computing method is characterized in that, it comprises described method:
Operation CPU (central processing unit) and auxiliary display controller, the mode of operation that described CPU has running and closes, and described auxiliary display controller keeps running when described CPU is in described mode of operation of closing;
When described CPU is in described running mode of operation, by control one switch display is connected to described CPU, and on described display, shows the first information that produces by described CPU; And
When described CPU is in described mode of operation of closing, by the described switch of control described display is connected to described auxiliary display controller, and on described display, shows second information by described auxiliary display controller produced.
10. method as claimed in claim 9, it is characterized in that, wherein operate described CPU and comprise from power supply and draw first power level, and wherein operate described auxiliary display controller and comprise from described power supply and draw second power level, described second power level is lower than described first power level.
11. method as claimed in claim 9, it is characterized in that, wherein controlling described switch comprises: assess a kind of switching condition, and set described switch according to described switching condition, with described display is connected to described CPU and described auxiliary display controller one of them.
12. method as claimed in claim 11 is characterized in that, wherein said switching condition depends on the situation of the power supply of the electric power that the operation of described CPU usefulness is provided.
13. method as claimed in claim 9 is characterized in that, shows that wherein described second information comprises: in the part zone of described display, show described second information.
14. method as claimed in claim 9, it is characterized in that, wherein said second information is exported as having the shows signal of first display format by described auxiliary display controller, and show that wherein described second information comprises: will become second form of supporting by described display from described first format conversion by the described shows signal that described auxiliary display controller produced, and the shows signal after the described conversion is provided to described display.
15. method as claimed in claim 9, it is characterized in that, wherein operate described CPU and described auxiliary display controller comprises: when between the described running and the mode of operation of closing, switching, between described CPU and described auxiliary display controller, communicate, with swap data.
16. method as claimed in claim 9, it is characterized in that, wherein operating described CPU comprises: in described running mode of operation, accept input and act on described input from the user by means of keyboard, with with described user's reciprocation, and wherein operating described auxiliary display controller comprises: when being in described mode of operation of closing on described auxiliary display controller the executive software application program, so that described user uses described keyboard and described display to come deal with data, and when switching to described running mode of operation, the data after the described processing are provided to described CPU.
17. a computer software product that is used for computing machine, described computing machine comprises: display; CPU (central processing unit), the mode of operation that it has running and closes; And auxiliary display controller, it keeps running when described CPU is in described mode of operation of closing, described product comprises computer-readable media, in described computer-readable media, store programmed instruction, described instruction is when being read by computing machine, make described computer-implemented following operation: when described CPU is in described running mode of operation, by control one switch described display is connected to described CPU, and on described display, show the first information by described CPU produced, and when described CPU is in described mode of operation of closing, by the described switch of control described display is connected to described auxiliary display controller, and on described display, shows second information by described auxiliary display controller produced.
18. product as claimed in claim 17 is characterized in that, described CPU draws first power from power supply, and wherein said auxiliary display controller absorbs second power from described power supply, and described second power is lower than described first power.
19. product as claimed in claim 18, it is characterized in that, described instruction makes described computer-implemented following operation: monitor the situation of described power supply, and control described switch according to described situation of monitoring described display one of is connected in described CPU and the described auxiliary display controller.
20. product as claimed in claim 17 is characterized in that, described instruction makes described computing machine show described second information by described auxiliary display controller produced in the part zone of described display.
21. product as claimed in claim 17, it is characterized in that, described instruction makes described CPU accept input and act on described input from the user by means of keyboard in described running mode of operation, with with described user's reciprocation, and wherein said instruction makes described auxiliary display controller executive software application program when being in described mode of operation of closing, so that described user uses described keyboard and described display to come deal with data, and when switching to described running mode of operation, the data after the described processing are provided to described CPU.
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| CN200810082386A CN101526842A (en) | 2008-03-04 | 2008-03-04 | Calculating device using auxiliary display controller and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103218987A (en) * | 2013-04-23 | 2013-07-24 | 深圳市凌启电子有限公司 | Method and device for conducting display processing on video signal |
| CN104965583A (en) * | 2015-06-19 | 2015-10-07 | 北京晶点科技有限公司 | Flat plate type mobile terminal with at least one auxiliary touch display screen module |
-
2008
- 2008-03-04 CN CN200810082386A patent/CN101526842A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103218987A (en) * | 2013-04-23 | 2013-07-24 | 深圳市凌启电子有限公司 | Method and device for conducting display processing on video signal |
| CN104965583A (en) * | 2015-06-19 | 2015-10-07 | 北京晶点科技有限公司 | Flat plate type mobile terminal with at least one auxiliary touch display screen module |
| CN104965583B (en) * | 2015-06-19 | 2017-12-19 | 浙江吉利控股集团有限公司 | Flat mobile terminal with least one auxiliary touching display screen module |
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