CN102820020A - Display capable of achieving double-desktop operation function - Google Patents
Display capable of achieving double-desktop operation function Download PDFInfo
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- CN102820020A CN102820020A CN2011101512840A CN201110151284A CN102820020A CN 102820020 A CN102820020 A CN 102820020A CN 2011101512840 A CN2011101512840 A CN 2011101512840A CN 201110151284 A CN201110151284 A CN 201110151284A CN 102820020 A CN102820020 A CN 102820020A
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Abstract
The invention discloses a display capable of achieving a double-desktop operation function. The display comprises a digital signal interface module, a digital selector is respectively connected with the digital signal interface module, a first main processing chip and a second main processing chip, the first main processing chip is connected with a first low voltage differential signal interface module, the second main processing chip is connected with a second low voltage differential signal interface module, the first low voltage differential signal interface module is connected with the left half portion of a display panel, and the second low voltage differential signal interface module is connected with the right half portion of the display panel. The display capable of achieving the double-desktop operation function has the advantages that two desktops can be displayed simultaneously at one display panel, a user can simultaneously operate contents in the two desktops, thereby the work efficiency of the user is greatly improved, the convenience is brought for working and life of the user, and the enhancement of the product use experience of the display user is facilitated.
Description
Technical field
The present invention relates to household electrical appliance technical field, particularly relate to a kind of display of realizing two desktop operated functions.
Background technology
Continuous development along with China's science and technology; Domestic electric appliances such as televisor, video camera, camera, computing machine are more and more universal in people's daily life; People often use a computer and understand the information of outside and learn, and computing machine has become people's indispensable ingredient of living.
For present graphoscope; In use; Give the central signal processor DSP of display video signal transmission by the data-interface of video card on the main frame, after handling by central signal processor DSP, form differential signal and give low-voltage differential signal LVDS interface module; Give display pannel by LVDS interface modules handle and output LOW voltage differential signal LVDS, on display pannel, demonstrate video pictures.
Present graphoscope is when work; Be merely able to show a desktop,, can realize switching back and forth a plurality of desktops and show even handle through the video card of main frame; But when starting second desktop (for example desktop B); First desktop (for example desktop A) will be covered by this second desktop, can not show two desktops simultaneously, can not operate two desktops simultaneously.Therefore, present graphoscope makes troubles for the daily display that uses a computer of user, influences user's work efficiency, has seriously reduced user's product use experience.
Therefore; Press at present and develop a kind of display, it can show two desktops simultaneously on a display pannel, and the user can be operated simultaneously the content of these two desktops; Thereby improve user's work efficiency greatly, offer convenience for user's work and life.
Summary of the invention
In view of this; The purpose of this invention is to provide a kind of display of realizing two desktop operated functions, it can show two desktops simultaneously on a display pannel, and the user can be operated simultaneously the content of these two desktops; Thereby improve user's work efficiency greatly; Offer convenience for user's work and life, help strengthening the product use experience of display user, be of great practical significance.
For this reason, the invention provides a kind of display of realizing two desktop operated functions, panel the right and left of this display is respectively the left-half of display pannel and the right half part of display pannel, and this display includes:
Digital signal DVI interface module is used to receive the digital video signal that the outer computer main frame sends, and is transmitted to data selector;
Data selector; Be connected with digital signal DVI interface module, the first main process chip and the second main process chip respectively; After being used to receive the digital video signal of said digital signal DVI interface module forwarding, this digital video signal is alternately exported to the first main process chip and the second main process chip with predefined frequency;
The first main process chip; Be connected with the first low-voltage differential signal LVDS interface module; After being used to receive the digital video signal of said data selector output, this digital video signal is handled, formed differential signal and export to the first low-voltage differential signal LVDS interface module;
The second main process chip; Be connected with the second low-voltage differential signal LVDS interface module; After being used to receive the digital video signal of said data selector output, this digital video signal is handled, formed differential signal and export to the second low-voltage differential signal LVDS interface module;
The first low-voltage differential signal LVDS interface module is connected with the left-half of display pannel, is used for the differential signal of receiving is handled the formation low-voltage differential signal, exports to the left-half of display pannel then and carries out the picture demonstration;
The second low-voltage differential signal LVDS interface module is connected with the right half part of display pannel, is used for the differential signal of receiving is handled the formation low-voltage differential signal, and the right half part of exporting to display pannel then carries out picture and shows.
Wherein, alternately to export the frequency that preestablishes of signal be the twice that equals the frequency of said digital signal DVI interface module output digital video signal to said data selector.
Wherein, alternately to export the frequency that preestablishes of signal be 120HZ to said data selector.
Wherein, Also include a counter; This counter is connected with data selector; Be used for to count in real time according to the predefined frequency of said data selector, then count results informed data selector in real time, the control data selector switch alternately sends the digital video signal of being received to the first main process chip and the second main process chip according to predefined frequency.
Wherein, also include an IC control chip, said counter is connected with said IC control chip; Said IC control chip is connected with digital signal DVI interface module; Be used to receive the signal that said digital signal DVI interface module place is transmitted,, calculate the cycle of two width of cloth pictures transmission then through sampling; When calculating the cycle accurate of two width of cloth pictures transmission, control counter 7 is counted.
Wherein, Also include a clock module; Said counter is connected with said clock module; Said clock module is used for the frequency that preestablishes of alternately exporting signal for the first main process chip and the second main process chip according to said data selector, comes alternately to produce a rising edge signal and a negative edge signal is given counter.
Visible by above technical scheme provided by the invention, compared with prior art, a kind of display of realizing two desktop operated functions provided by the invention; It can show two desktops simultaneously on a display pannel; And the user can be operated simultaneously the content of these two desktops, thereby improve user's work efficiency greatly, offer convenience for user's work and life; Help strengthening the product use experience of display user, be of great practical significance.
Description of drawings
Circuit structure block scheme when Fig. 1 is connected with the outer computer main frame for a kind of display of realizing two desktop operated functions provided by the invention;
The circuit structure block scheme of a kind of embodiment when Fig. 2 is connected with the outer computer main frame for a kind of display of realizing two desktop operated functions provided by the invention;
Among the figure, 1 is the panel of display, and 11 is the left-half of display pannel, and 12 is the right half part of display pannel; 21 is the first low-voltage differential signal LVDS interface module, and 22 is the second low-voltage differential signal LVDS interface module, and 31 is the first main process chip, and 32 is the second main process chip; 4 is data selector, and 5 is digital signal DVI interface module, and 6 is the IC control chip; 7 is counter, and 8 is clock module, and 9 is main frame.
Embodiment
In order to make those skilled in the art person understand the present invention program better, the present invention is done further detailed description below in conjunction with accompanying drawing and embodiment.
Referring to Fig. 1; The invention provides a kind of display of realizing two desktop operated functions; This display is connected with the outer computer main frame; Panel 1 the right and left of this display is respectively the left-half 11 of display pannel and the right half part 12 of display pannel; This display includes the main process chip of the main process chip of digital signal DVI interface module 5, data selector 4, first 31, second 32, the first low-voltage differential signal LVDS interface module 21, the second low-voltage differential signal LVDS interface module 22, wherein:
Digital signal (DVI) interface module 5 is used to receive the digital video signal that outer computer main frame 9 sends, and is transmitted to data selector 4;
Data selector 4; Be connected with the second main process chip 32 with digital signal DVI interface module 5, the first main process chip 31 respectively; After being used to receive the digital video signal of said digital signal DVI interface module 5 forwardings, this digital video signal is alternately exported to the first main process chip 31 and the second main process chip 32 with predefined frequency;
The first main process chip Main IC 31; Respectively with 21 connections mutually of data selector 4, the first low-voltage differential signal LVDS interface module; After being used to receive the digital video signal of said data selector 4 outputs; This digital video signal is handled, formed differential signal and export to the first low-voltage differential signal LVDS interface module 21;
The second main process chip Main IC 32; Be connected with data selector 4, the second low-voltage differential signal LVDS interface module 22 respectively; After being used to receive the digital video signal of said data selector 4 outputs; This digital video signal is handled, formed differential signal and export to the second low-voltage differential signal LVDS interface module 22;
The first low-voltage differential signal LVDS interface module 21; Left-half 11 with the first main process chip 31, display pannel is connected respectively; Be used for the differential signal of receiving is handled the formation low-voltage differential signal, export to the left-half 11 of display pannel then and carry out the picture demonstration;
The second low-voltage differential signal LVDS interface module 22; Right half part 12 with the second main process chip 32, display pannel is connected respectively; Be used for the differential signal of receiving is handled the formation low-voltage differential signal, the right half part 12 of exporting to display pannel then carries out picture and shows;
In the present invention; The said first low-voltage differential signal LVDS interface module 21 is connected with the right half part 12 of display pannel with the left-half 11 of display pannel, the said second low-voltage differential signal LVDS interface module 22, and the image of controlling display pannel left-half 11 and right half part 12 respectively shows.
In the present invention, said data selector 4 is alternately exported the twice that frequency is preferably the frequency that equals said digital signal DVI interface module 5 output digital video signals that preestablishes of signal.
Need to prove; The optimum resolution that can bear in view of human eye is 60HZ; Usually the frequency of digital signal DVI interface module output digital video signal also is 60HZ; So; Digital video signal is alternately exported to the first main process chip 31 respectively to said data selector 4 of the present invention and 32 predefined frequencies of the second main process chip are preferably 120HZ; Be said data selector 4 with time of 1/120th second be alternately to export a digital video signal cycle to give the first main process chip 31 and the second main process chip 32, all be 60HZ thereby make the frequency of the digital video signal that win main process chip 31 and the second main process chip 32 received, thereby make that the refreshing frequency of display pannel left-half 11 and right half part 12 all is 60HZ.For example; Digital video signal of output is given the first main process chip 31 in first time of/120th second; So next, export a digital video signal to the second main process chip 32 in second 1/120th second time; Repetitive operation again in the 3rd 1/120th second time; Export a digital video signal and give the first main process chip 31, so Zhou Er renews, and alternately exports a digital video signal back and forth and gives the first main process chip 31 and the second main process chip 32.
Referring to Fig. 2; In order in real time the frequency of data selector switch 4 output digital video signals to be controlled; Display provided by the invention also includes a counter 7; This counter 7 is connected with data selector 4; Be used for to count in real time according to said data selector 4 predefined frequencies, then count results informed data selector 4 in real time, control data selector switch 4 alternately sends the digital video signal of being received to different main process chip (i.e. the first main process chip and the second main process chip) according to predefined frequency.
In the present invention, the process of said counter 7 concrete control data selector switch 4 work is: when counter 7 produced the rising edge signal to data selector, said data selector 4 was given the first main process chip 31 with digital signal transmission; When counter 7 produced the negative edge signal to data selector 4, said data selector was given the second main process chip 32 with digital signal transmission.
For example; When said predefined frequency is 120HZ; Said counter 7 is that the cycle alternate transmission is given 4 one rising edges of data selector or negative edge signal with 1/120th second time; When counter 7 produced the rising edge signal to data selector, said data selector 4 was given the first main process chip 31 with digital signal transmission; When counter 7 produced the negative edge signal to data selector 4, said data selector 4 was given the second main process chip 32 with digital signal transmission.The digital video signal that win main process chip 31 and the second main process chip 32 are received is that frequency is the signal of 60HZ; Through after the first main process chip 32 and second main process chip 32 processing, export to display pannel 1 and on the screen that connects separately, show then.
Referring to Fig. 2; In order to guarantee the counting accuracy of said counter; Display of the present invention also includes a clock module 8, an IC control chip 6, and said counter 7 is connected with IC control chip 6 with said clock module 8 respectively, wherein:
IC control chip 6; Be connected with digital signal DVI interface module 5; Be used to receive the signal that said digital signal DVI interface module 5 places are transmitted,, calculate the cycle of two width of cloth pictures transmission then through sampling; When calculating the cycle accurate of two width of cloth pictures transmission; Control counter 7 is counted, like this can be so that the data synchronised of the digital video signal that the first main process chip 31 and the second main process chip 32 receive and digital signal DVI interface module 5 transmission, thus avoid occurring signal interference problem.
Clock module 8; Be connected with counter 7; Be used for preestablishing frequency (promptly producing the frequency of rising edge or negative edge signal), come alternately to produce a rising edge signal and a negative edge signal to counter 7 as clock module self according to what said data selector 4 gave that the first main process chip 31 and the second main process chip 32 alternately export signal.For example, the frequency of said clock module 8 is 12MHZ, works as counter 7 every countings 100000 times so, will produce a rising edge or negative edge signal, and export to counter 7.
For display provided by the invention; Through data selector 4; Can give two main process chip with identical digital signal transmission; The frequency that each main process chip receives digit chip is the frequency of digital signal DVI interface module output digital video signal, and these two main process chip are after carrying out the convergent-divergent processing to the digital video signal that receives, and only (left-half of display pannel or right half part) shows received data on indicator screen separately.Therefore; Display of the present invention can demonstrate two desktops on same indicator screen; And let the user pass through main frame, realize the digital video signal of main frame output is edited control, after editor's control, export to the left-half 11 of display pannel and the right half part 12 of display pannel respectively and show; Promptly realize the content on two desktops is carried out control operation; Therefore, the present invention has expanded the display scope of subscriber computer greatly, has improved user's desk job efficient.
Certainly, need to prove that display of the present invention is preferably the LCD LCD, can also be three-dimensional (3D) display.
In sum, compared with prior art, a kind of display of realizing two desktop operated functions provided by the invention; It can show two desktops simultaneously on a display pannel; And the user can be operated simultaneously the content of these two desktops, thereby improve user's work efficiency greatly, offer convenience for user's work and life; Help strengthening the product use experience of display user, be of great practical significance.
The above only is a preferred implementation of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; Can also make some improvement and retouching, these improvement and retouching also should be regarded as protection scope of the present invention.
Claims (6)
1. the display that can realize two desktop operated functions is characterized in that panel the right and left of this display is respectively the left-half of display pannel and the right half part of display pannel, and this display includes:
Digital signal DVI interface module is used to receive the digital video signal that the outer computer main frame sends, and is transmitted to data selector;
Data selector; Be connected with digital signal DVI interface module, the first main process chip and the second main process chip respectively; After being used to receive the digital video signal of said digital signal DVI interface module forwarding, this digital video signal is alternately exported to the first main process chip and the second main process chip with predefined frequency;
The first main process chip; Be connected with the first low-voltage differential signal LVDS interface module; After being used to receive the digital video signal of said data selector output, this digital video signal is handled, formed differential signal and export to the first low-voltage differential signal LVDS interface module;
The second main process chip; Be connected with the second low-voltage differential signal LVDS interface module; After being used to receive the digital video signal of said data selector output, this digital video signal is handled, formed differential signal and export to the second low-voltage differential signal LVDS interface module;
The first low-voltage differential signal LVDS interface module is connected with the left-half of display pannel, is used for the differential signal of receiving is handled the formation low-voltage differential signal, exports to the left-half of display pannel then and carries out the picture demonstration;
The second low-voltage differential signal LVDS interface module is connected with the right half part of display pannel, is used for the differential signal of receiving is handled the formation low-voltage differential signal, and the right half part of exporting to display pannel then carries out picture and shows.
2. display as claimed in claim 1 is characterized in that, the frequency that preestablishes that said data selector is alternately exported signal is the twice that equals the frequency of said digital signal DVI interface module output digital video signal.
3. display as claimed in claim 2 is characterized in that, the frequency that preestablishes that said data selector is alternately exported signal is 120HZ.
4. display as claimed in claim 1; It is characterized in that; Also include a counter, this counter is connected with data selector, is used for to count in real time according to the predefined frequency of said data selector; Then count results is informed data selector in real time, the control data selector switch alternately sends the digital video signal of being received to the first main process chip and the second main process chip according to predefined frequency.
5. display as claimed in claim 4 is characterized in that, also includes an IC control chip; Said counter is connected with said IC control chip, and said IC control chip is connected with digital signal DVI interface module, is used to receive the signal that said digital signal DVI interface module place is transmitted; Then through sampling; Calculate the cycle of two width of cloth pictures transmission, when calculating the cycle accurate of two width of cloth pictures transmission, control counter 7 is counted.
6. like claim 4 or 5 described displays; It is characterized in that; Also include a clock module; Said counter is connected with said clock module, and said clock module is used for the frequency that preestablishes of alternately exporting signal for the first main process chip and the second main process chip according to said data selector, comes alternately to produce a rising edge signal and a negative edge signal is given counter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201110151284.0A CN102820020B (en) | 2011-06-08 | 2011-06-08 | Display capable of achieving double-desktop operation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201110151284.0A CN102820020B (en) | 2011-06-08 | 2011-06-08 | Display capable of achieving double-desktop operation function |
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| Publication Number | Publication Date |
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| CN102820020A true CN102820020A (en) | 2012-12-12 |
| CN102820020B CN102820020B (en) | 2015-05-27 |
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| CN201110151284.0A Expired - Fee Related CN102820020B (en) | 2011-06-08 | 2011-06-08 | Display capable of achieving double-desktop operation function |
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Cited By (1)
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| CN102820020B (en) | 2015-05-27 |
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