CN101271352A - Double screen notebook computer and implementing method thereof - Google Patents
Double screen notebook computer and implementing method thereof Download PDFInfo
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- CN101271352A CN101271352A CNA2008100529880A CN200810052988A CN101271352A CN 101271352 A CN101271352 A CN 101271352A CN A2008100529880 A CNA2008100529880 A CN A2008100529880A CN 200810052988 A CN200810052988 A CN 200810052988A CN 101271352 A CN101271352 A CN 101271352A
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Abstract
The invention relates to a double-screen notebook computer and a realizing method thereof. The double-screen notebook computer consists of a control plate and a display device which are articulated by a hinge shaft that is arranged at the central part of the joint of the control plate and the display device. An electronic-paper display touch screen replaces a fixed keyboard and carries out communicating and control by a control circuit of the notebook computer and a reader control circuit, and the electronic-paper display touch screen is used as a touch keyboard, a handwriting sketchpad and an extending display screen and the reading function of an electronic paper reader is realized by the reader control circuit. The invention realizes a touch input function, a handwriting input function and a double-screen display function of the extending display screen, and the form and the function of a keyboard are expended, so as to lead the users to use conveniently. Meanwhile the control plate can rotate around the display device in three-dimensional way, which ensures that the electronic paper display touch screen is outward so as to form a low-power-consumption electronic paper reader. The electronic paper display screen has the characteristic of no flicker, which relieves the vision fatigue caused by long time reading and satisfies the moving reading requirements of the users.
Description
Technical field
The invention belongs to notebook computer, especially a kind of double-screen notebook and its implementation.
Background technology
At present, existing notebook computer outward appearance all adopts accordion structure: loam cake and lower cover are hinged by turning axle, in loam cake installed inside one LCDs, loam cake is collapsible or unlatching along turning axle, with the corresponding lower cover installed inside in LCDs position keyboard is arranged, in lower cover inside mainboard is installed, control circuit on the mainboard and power supply, LCDs, CPU, hard disk, CD-ROM drive, storer and other equipment link together.Behind the power supply opening of notebook computer, the full speed operation of control circuit control notebook computer hardware, start-up system software is also carried out corresponding application and is read work such as electronic document data, the problem of its existence is: 1. when only reading basic functions such as electronic document data, existing notebook computer also must opening power, the control circuit control LCDs of notebook computer inside, CPU, hard disk, CD-ROM drive, the work of entering such as storer and other equipment make state, make electrical source consumption very big, therefore, notebook computer is difficult to work long hours under the situation of external power supply not having; 2. the LCDs of existing notebook computer is generally the TFT LCDs, can make the flicker of a fixed cycle frequency of liquid crystal screen of generating during the dynamic refresh LCDs, makes human eye tired easily, is unsuitable for long-time use; 3. existing notebook computer adopts the keyboard of machine made keycap size and Function Identification, to finger vary in size, the right-hand man is accustomed to difference and use the different user of language can not satisfy corresponding demand on ease for use, simultaneously, machine made keyboard also makes and be subjected to bigger restriction on man-machine interaction mode.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, provide a kind of Electronic Paper is shown that touch-screen and touch pad are as touch keyboard, hand-written drawing board and extendable display screen function and have low-power consumption and read, do not glimmer and a kind of double-screen notebook and its implementation easy to use.
The present invention solves its technical matters and takes following technical scheme to realize:
A kind of double-screen notebook is made of display device and console panel, it is characterized in that:
(1). display device and console panel cut with scissors dress mutually by the hinge that its middle part, connecting part is provided with, but console panel is around the display device three-dimensional rotation;
(2). the formation of display device: installed inside one LCDs of display device, a notebook computer control circuit and a power module installed in the inside of display device;
(3). the formation of console panel: the installed inside one of console panel constitutes Electronic Paper by electronic-paper display screen and touch pad stack and shows touch-screen, one reader control circuit is installed in console panel, this reader control circuit is connected and composed by main control module and contact control module, Electronic Paper display module, touch pad control module and storer, and the contact control module also is connected with notebook computer control circuit and storer;
(4). power module is notebook computer control circuit and the power supply of reader control circuit.
And described electronic-paper display screen adopts Electronic Paper based on the e-inks technology, based on the Electronic Paper of electronics powder fluid technology or wherein a kind of based on the Electronic Paper of cholesteric liquid crystal technology.
And described contact control module is connected by USB interface or bus interface with the notebook computer control circuit.
And described contact control module is connected with gauge tap on the display device.
And described main control module is made of MCU and peripheral circuit thereof, and described contact control module is made of CPLD or FPGA or asic chip and peripheral circuit thereof.
A kind of implementation method of double-screen notebook is characterized in that: this method comprises the steps:
(1). under the notebook computer open state, notebook computer control circuit and reader control circuit are got in touch with control Electronic Paper are shown that touch-screen shows the controlled step that touch-screen uses as extendable display screen as the controlled step of touch keyboard or the use of hand-written drawing board or with Electronic Paper;
(2). under the notebook computer off-mode, the reader control circuit shows the controlled step of touch-screen as the reading display screen use of Electronic Paper reader with Electronic Paper.
And, described Electronic Paper is shown that touch-screen may further comprise the steps as the controlled step that touch keyboard or hand-written drawing board use:
(1). the notebook computer control circuit carries out communication by contact control module and main control module, the master control module controls Electronic Paper display module keyboard interface that demonstration sets on Electronic Paper demonstration touch-screen or the interface of hand-written drawing board;
(2). the touch pad control module is received in button operation or the handwriting input operation on the Electronic Paper demonstration touch-screen, main control module is handled the back with input signal and is transferred in the notebook computer by the contact control module, thereby realizes Electronic Paper is shown the function of touch-screen as touch keyboard or the use of hand-written drawing board.
And, described Electronic Paper is shown that touch-screen may further comprise the steps as the controlled step that extendable display screen uses:
(1). notebook computer will need data presented to be sent to the contact control module;
(2). the contact control module will need data presented to send main control module to, master control module controls Electronic Paper display module will need data presented to be shown on the Electronic Paper demonstration touch-screen, thereby realize Electronic Paper is shown the function that touch-screen uses as extendable display screen.
And, described Electronic Paper is shown that touch-screen may further comprise the steps as the controlled step that the reading display screen of Electronic Paper reader uses:
(1). after the contact control module detects gauge tap, notebook computer is transferred to automatically the standby or the off-mode of default notebook computer;
(2). main control module is read selection operation by the measuring ability button, read the data that leaves in the storer, control Electronic Paper display module is shown to Electronic Paper with this data and shows on the touch-screen, thereby realizes Electronic Paper is shown the function of touch-screen as the reading display screen use of Electronic Paper reader.
And described Electronic Paper shows that use is that the notebook computer control circuit is provided with to touch-screen as touch keyboard or as hand-written drawing board or as extendable display screen.
Advantage of the present invention and good effect are:
1. the present invention uses Electronic Paper to show that touch-screen replaces the fixedly keyboard of existing notebook computer, by notebook computer control circuit and reader control circuit Electronic Paper is shown that touch-screen uses as touch keyboard or hand-written drawing board: when notebook computer is in open state, showing on the touch-screen in Electronic Paper can display keyboard interface or hand-written drawing board interface, realize touching the function of input or use writing pencil to realize hand-write input function by touching by finger, convenient for users to use, increased human-computer interaction function.
2. the present invention shows that with Electronic Paper touch-screen uses as extendable display screen by notebook computer control circuit and reader control circuit, when this notebook computer is in open state, realize that LCDs and Electronic Paper show the touch-screen dual display function, the continuous page content that on two display screens, shows certain document information simultaneously, or show the different classes of content of certain document information, for example: on LCDs, show electronic chart, and Electronic Paper shows the explanatory note of choosing the place on the touch-screen on the displayed map etc., the usable range that has expanded the user.
3. the present invention shows that with Electronic Paper touch-screen uses as the display screen of Electronic Paper reader by the reader control circuit: behind the power-off of notebook computer part, the reader control circuit makes Electronic Paper show that touch-screen one side becomes an Electronic Paper reader that can work independently, and the electronic document data that the reader control circuit of this Electronic Paper reader inside can read in the storer realizes read function.Because electronic-paper display screen has the advantages that still keep former displaying contents after the power down on the display screen, the Electronic Paper reader is operated in a kind of pulse power supply pattern, characteristics with super low-power consumption, under this mode of operation, realize multiple function, it is only full speed operation when carrying out the displaying contents renewal of master controller, promptly enter a kind of low speed holding state afterwards, and parts such as electronic-paper display screen all need not power supply can keep displaying contents, therefore, the Electronic Paper reader is in a quite low power consumption state, guarantee long-time use and need not charging, Electronic Paper shows that touch-screen has the flicker free characteristics simultaneously, can staticly for a long time read, alleviated the visual fatigue that long-time reading produces.
The present invention on display device, be provided with a gauge tap with the contact control module be connected, Electronic Paper shows that touch-screen carries out three-dimensional rotation with console panel around display device, and the form that makes progress with Electronic Paper demonstration touch-screen is fastened on above the display device, gauge tap on the display device is depressed, automatically close the power unit of notebook computer, make Electronic Paper show that touch-screen one side becomes an Electronic Paper reader that can work independently, realize the automatic stand-by or the shutdown processing of notebook computer, be more convenient for user's use.
5. notebook computer control circuit of the present invention and reader control circuit cooperate can be provided with the needs that different keyboard interfaces or handwriting pad interface can be satisfied different user better flexibly according to user's different demands.
6. the present invention has realized touching the dual display function of input, hand-write input function and extendable display screen, not only saved the fixed keyboard of notebook computer, and, the form of keyboard and function are expanded, usable range convenient for users to use, as to have expanded the user.When this notebook computer off-mode, Electronic Paper shows that touch-screen carries out three-dimensional rotation with console panel around display device, and the form that makes progress with Electronic Paper demonstration touch-screen is fastened on above the display device, constitute a low-power consumption, the long-time static Electronic Paper reader of reading, when the simple reading data of needs, needn't open host computer, and only can finish by the Electronic Paper reader of low-power consumption, this structure is used electronic-paper display screen, have ultra-thin, the characteristics of ultralight, can use simultaneously the electronic-paper display screen of different size as required, be easy to carry and use, satisfy user's mobile reading requirement.
Description of drawings
Fig. 1 is the functional-block diagram of notebook computer control circuit of the present invention and reader control circuit;
Fig. 2 is that Electronic Paper shows the view of touch-screen as touch keyboard or hand-written drawing board;
Fig. 3 is that Electronic Paper shows the view of touch-screen as extendable display screen;
Fig. 4 is that Electronic Paper shows that touch-screen is as the view of reading display screen.
Embodiment
Below in conjunction with accompanying drawing the embodiment of the invention is further described.
As shown in Figure 1, the structure of this double-screen notebook is connected and composed by display device 7 and console panel 1, and display device and console panel cut with scissors dress mutually by the hinge 4 that its middle part, connecting part is provided with, but console panel is around the display device three-dimensional rotation; The LCDs 2 that can show the notebook computer content in the installed inside one of display device, installed inside one Electronic Paper at console panel shows touch-screen 3, this Electronic Paper touch display screen is superimposed by electronic-paper display screen and touch pad and constitutes, this electronic-paper display screen can adopt based on the Electronic Paper of e-inks technology, based on the Electronic Paper of electronics powder fluid technology and a kind of based in the Electronic Paper of cholesteric liquid crystal technology, in the present embodiment, electronic-paper display screen has adopted the Electronic Paper based on the e-inks technology.Electronic Paper shows that touch-screen carries out three-dimensional rotation with console panel around display device, and shows that with Electronic Paper the form that touch-screen makes progress is fastened on above the display device.In order to realize the location status measuring ability of console panel and display device, installed inside one gauge tap 6 in display device, in the present embodiment, gauge tap is a votage control switch, when console panel oppositely is fastened on the display device top, votage control switch is depressed, and produces a switching signal and offers internal control circuit.When the Electronic Paper reader works alone, in order to realize read function, the operations such as page turning, catalogue and file selection when one group of function button 5 of installed inside of console panel is used to read.
One notebook computer control circuit and power module is installed in display device, and the notebook computer control circuit is a general purpose control circuit, and a reader control circuit is installed in console panel.Power module is except that being the notebook computer control circuit and reading the control circuit work power supply, and when notebook computer entered standby or off-mode, this power module also provided a kind of power supply power supply of pulsed for the work of Electronic Paper reader.Reader control circuit in notebook computer control circuit and the console panel can adopt USB interface or bus interface to be connected with the reader control circuit, and in the present embodiment, the connected mode of USB interface has been adopted in connection between the two.Reader control circuit in the console panel is by main control module and contact control module, the Electronic Paper display module, touch pad control module and storer connect and compose, main control module respectively by with the Electronic Paper display module, the touch pad control module, the contact control module, storer, function button, audio-frequency module, sound module and LED lamp are connected, pass through data line between them, address wire, the read/write signal line, the I/O signal is connected with control line, the contact control module also respectively with storer, gauge tap on notebook computer control circuit and the display device is connected.Wherein, main control module is made of MCU and peripheral circuit thereof, the contact control module is made of CPLD or FPGA or asic chip and peripheral circuit thereof, get in touch with control module in the present embodiment and be made of CPLD and peripheral circuit thereof, storer can adopt multiple storer: SD storer, MMC storer or Flash storer.In the present embodiment, electronic-paper display screen has adopted the electronic-paper display screen based on the e-inks technology, the model that main control module adopts is S3C2410AL20, the model that the Electronic Paper display control module adopts is Display controller PVI-6001A, it is SU4E-06S01ES-01X that the touch pad control module adopts the model of Wacom Digitizer Unit company, the contact control module adopts the CPLD programming to realize, the model that adopts is XC2C256, the SD storer, MMC storer and Flash storer have adopted the general SD card from 32MB～4GB, mmc card and Flash storer.
The power supply of the power supply of above-mentioned a kind of pulsed is that the characteristics at electronic-paper display screen design, its principle of work is: this power module only provides function button, Electronic Paper to show touch-screen and the required little power consumption power supply of main control module standby during general normality, and with the power-off of other parts, when in case the Electronic Paper reader has button operation, formation main control module Processing tasks and electronic-paper display screen to show, power module provides the power supply support for the main control module full speed operation, and required power supply is provided for each parts by task under the control of main control module.Show touch-screen for Electronic Paper, electricity only need be provided when electronic-paper display screen is write screen operator, other state is not all powered, and therefore, for Electronic Paper reader bulk supply state, is a kind of powering mode of pulsed.
The implementation method of this double-screen notebook comprises the steps:
1. under the notebook computer open state, notebook computer control circuit and reader control circuit are got in touch with control, and Electronic Paper is shown that touch-screen shows the controlled step that touch-screen uses as extendable display screen as the controlled step of touch keyboard or the use of hand-written drawing board or with Electronic Paper; In this step, Electronic Paper shows that use is that the notebook computer control circuit is provided with to touch-screen as touch keyboard or as hand-written drawing board or as extendable display screen, wherein, the keyboard interface on the Electronic Paper demonstration touch-screen or display size, the display mode of hand-written drawing board are provided with by the notebook computer control circuit equally.
Wherein, Electronic Paper is shown touch-screen follows these steps to carry out as the controlled step of touch keyboard or the use of hand-written drawing board:
(1). the notebook computer control circuit carries out communication by contact control module and main control module, the master control module controls Electronic Paper display module keyboard interface that demonstration sets on Electronic Paper demonstration touch-screen or the interface of hand-written drawing board;
(2). the touch pad control module is received in button operation or the handwriting input operation on the Electronic Paper demonstration touch-screen, main control module is handled the back with input signal and is transferred in the notebook computer by the contact control module, thereby realize Electronic Paper is shown the function of touch-screen as touch keyboard or the use of hand-written drawing board, as shown in Figure 2.
Electronic Paper is shown that touch-screen follows these steps to carry out as the controlled step that extendable display screen uses:
(1). notebook computer will need data presented to be sent to the contact control module;
(2). the contact control module will need data presented to send main control module to, master control module controls Electronic Paper display module will need data presented to be shown on the Electronic Paper demonstration touch-screen, thereby realize Electronic Paper is shown the function that touch-screen uses as extendable display screen, as shown in Figure 3.
2. under the notebook computer off-mode, the reader control circuit shows the controlled step of touch-screen as the reading display screen use of Electronic Paper reader with Electronic Paper, realizes that this function follows these steps to carry out:
(1). after the contact control module detects gauge tap, notebook computer is transferred to automatically the standby or the off-mode of default notebook computer;
(2). main control module is read selection operation by the measuring ability button, read the data that leaves in the storer, control Electronic Paper display module is shown to Electronic Paper with this data and shows on the touch-screen, thereby realize Electronic Paper is shown the function of touch-screen as the reading display screen use of Electronic Paper reader, as shown in Figure 4.
In addition, at the notebook computer open state, be positioned at the storer of Electronic Paper reader: the movable external memory that SD storer, MMC storer, Flash storer can be used as notebook computer uses, by data or the data on the notebook computer control circuit contact main control module access memory; And after notebook computer standby or shutdown, this storer changes and reads control by the reader control circuit, and main control module is realized access to data on the storer or data by reading storage operation.
The contact control module has and detects the gauge tap semiotic function, can realize the mode switch that notebook computer working with notebook computer or Electronic Paper reader under different folding conditions work alone.
Embodiment of the present invention is illustrative; rather than it is determinate; therefore the present invention is not limited to the embodiment described in the embodiment, and every other embodiments that drawn by those skilled in the art's technical scheme according to the present invention belong to the scope of protection of the invention equally.
Claims (10)
1. a double-screen notebook is made of display device and console panel, it is characterized in that:
(1). display device and console panel cut with scissors dress mutually by the hinge that its middle part, connecting part is provided with, but console panel is around the display device three-dimensional rotation;
(2). the formation of display device: installed inside one LCDs of display device, a notebook computer control circuit and a power module installed in the inside of display device;
(3). the formation of console panel: the installed inside one of console panel constitutes Electronic Paper by electronic-paper display screen and touch pad stack and shows touch-screen, one reader control circuit is installed in console panel, this reader control circuit is connected and composed by main control module and contact control module, Electronic Paper display module, touch pad control module and storer, and the contact control module also is connected with notebook computer control circuit and storer;
(4). power module is notebook computer control circuit and the power supply of reader control circuit.
2. a kind of double-screen notebook according to claim 1 is characterized in that: described electronic-paper display screen adopts Electronic Paper based on the e-inks technology, based on the Electronic Paper of electronics powder fluid technology or wherein a kind of based on the Electronic Paper of cholesteric liquid crystal technology.
3. a kind of double-screen notebook according to claim 1 is characterized in that: described contact control module is connected by USB interface or bus interface with the notebook computer control circuit.
4. a kind of double-screen notebook according to claim 1 is characterized in that: described contact control module is connected with gauge tap on the display device.
5. according to claim 1 or 3 or 4 described a kind of double-screen notebooks, it is characterized in that: described main control module is made of MCU and peripheral circuit thereof, and described contact control module is made of CPLD or FPGA or asic chip and peripheral circuit thereof.
6. the implementation method of a double-screen notebook, it is characterized in that: this method comprises the steps:
(1). under the notebook computer open state, notebook computer control circuit and reader control circuit are got in touch with control Electronic Paper are shown that touch-screen shows the controlled step that touch-screen uses as extendable display screen as the controlled step of touch keyboard or the use of hand-written drawing board or with Electronic Paper;
(2). under the notebook computer off-mode, the reader control circuit shows the controlled step of touch-screen as the reading display screen use of Electronic Paper reader with Electronic Paper.
7. the implementation method of a kind of double-screen notebook according to claim 6 is characterized in that: described Electronic Paper is shown that touch-screen may further comprise the steps as the controlled step that touch keyboard or hand-written drawing board use:
(1). the notebook computer control circuit carries out communication by contact control module and main control module, the master control module controls Electronic Paper display module keyboard interface that demonstration sets on Electronic Paper demonstration touch-screen or the interface of hand-written drawing board;
(2). the touch pad control module is received in button operation or the handwriting input operation on the Electronic Paper demonstration touch-screen, main control module is handled the back with input signal and is transferred in the notebook computer by the contact control module, thereby realizes Electronic Paper is shown the function of touch-screen as touch keyboard or the use of hand-written drawing board.
8. the implementation method of a kind of double-screen notebook according to claim 6 is characterized in that: described Electronic Paper is shown that touch-screen may further comprise the steps as the controlled step that extendable display screen uses:
(1). notebook computer will need data presented to be sent to the contact control module;
(2). the contact control module will need data presented to send main control module to, master control module controls Electronic Paper display module will need data presented to be shown on the Electronic Paper demonstration touch-screen, thereby realize Electronic Paper is shown the function that touch-screen uses as extendable display screen.
9. the implementation method of a kind of double-screen notebook according to claim 6 is characterized in that: described Electronic Paper is shown that touch-screen may further comprise the steps as the controlled step that the reading display screen of Electronic Paper reader uses:
(1). after the contact control module detects gauge tap, notebook computer is transferred to automatically the standby or the off-mode of default notebook computer;
(2). main control module is read selection operation by the measuring ability button, read the data that leaves in the storer, control Electronic Paper display module is shown to Electronic Paper with this data and shows on the touch-screen, thereby realizes Electronic Paper is shown the function of touch-screen as the reading display screen use of Electronic Paper reader.
10. the implementation method of a kind of double-screen notebook according to claim 6 is characterized in that: described Electronic Paper shows that touch-screen is as touch keyboard or as hand-written drawing board or to use as extendable display screen be that the notebook computer control circuit is provided with.
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| CNA2008100529880A CN101271352A (en) | 2008-05-05 | 2008-05-05 | Double screen notebook computer and implementing method thereof |
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| CNA2008100529880A CN101271352A (en) | 2008-05-05 | 2008-05-05 | Double screen notebook computer and implementing method thereof |
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| CN101840665A (en) * | 2010-03-12 | 2010-09-22 | 鸿富锦精密工业（深圳）有限公司 | Electronic reading device and display method thereof |
| CN101853642A (en) * | 2010-04-16 | 2010-10-06 | 鸿富锦精密工业（深圳）有限公司 | Dual-screen display electronic equipment |
| WO2011044735A1 (en) * | 2009-10-17 | 2011-04-21 | Qin Biao | Portable computer with two screens |
| CN102035934A (en) * | 2009-09-30 | 2011-04-27 | 李晓 | Dual-screen portable electronic equipment and management method |
| CN102202109A (en) * | 2010-03-25 | 2011-09-28 | 汉王科技股份有限公司 | Paper-like display and liquid crystal display-based double-screen mobile phone |
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| WO2011044735A1 (en) * | 2009-10-17 | 2011-04-21 | Qin Biao | Portable computer with two screens |
| CN101840665A (en) * | 2010-03-12 | 2010-09-22 | 鸿富锦精密工业（深圳）有限公司 | Electronic reading device and display method thereof |
| CN102202109A (en) * | 2010-03-25 | 2011-09-28 | 汉王科技股份有限公司 | Paper-like display and liquid crystal display-based double-screen mobile phone |
| CN101853642A (en) * | 2010-04-16 | 2010-10-06 | 鸿富锦精密工业（深圳）有限公司 | Dual-screen display electronic equipment |
| CN102236690A (en) * | 2010-05-07 | 2011-11-09 | 李晓 | Data management method, file format applying method and electronic equipment |
| CN102346658A (en) * | 2010-07-30 | 2012-02-08 | 鸿富锦精密工业（深圳）有限公司 | Dual-screen display device and display method thereof |
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| CN103176644A (en) * | 2011-12-26 | 2013-06-26 | 英业达股份有限公司 | Electronic device and switching method of operation modes |
| WO2014032478A1 (en) * | 2012-09-03 | 2014-03-06 | 邱贤桢 | Electronic school bag with double display touch screens and double cpus |
| CN103561135A (en) * | 2013-08-20 | 2014-02-05 | 文辉安 | Long and narrow double-screen intelligent mobile phone |
| CN103561135B (en) * | 2013-08-20 | 2017-03-29 | 文辉安 | Thin-and-long double-screen intelligent mobile phone |
| CN105892967A (en) * | 2016-03-29 | 2016-08-24 | 联想(北京)有限公司 | Display method and electronic equipment |
| CN105892967B (en) * | 2016-03-29 | 2021-07-16 | 联想(北京)有限公司 | Display method and electronic equipment |
| CN106647937A (en) * | 2016-11-04 | 2017-05-10 | 李绍宏 | Double-screen laptop and using method thereof |
| CN107741760A (en) * | 2017-10-18 | 2018-02-27 | 上海龙旗科技股份有限公司 | Double-screen notebook and double-screen display method |
| CN109375796A (en) * | 2018-12-26 | 2019-02-22 | 柳州源 | A kind of laptop with control flow |
| CN114641751A (en) * | 2019-11-14 | 2022-06-17 | 惠普发展公司，有限责任合伙企业 | Function activation by display device press |
| CN114915821A (en) * | 2021-02-09 | 2022-08-16 | 海信视像科技股份有限公司 | Display apparatus and control method thereof |
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