CN100517447C - Simple electronic display screen and its realizing method - Google Patents
Simple electronic display screen and its realizing method Download PDFInfo
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- CN100517447C CN100517447C CNB2005100285350A CN200510028535A CN100517447C CN 100517447 C CN100517447 C CN 100517447C CN B2005100285350 A CNB2005100285350 A CN B2005100285350A CN 200510028535 A CN200510028535 A CN 200510028535A CN 100517447 C CN100517447 C CN 100517447C
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Abstract
The disclosed simple electronic display screen for mobile digital product comprises: a LED luminescent module with a row of LEDs to display the words or image, a displacement detection module to real-time detect the LED module position and time and send detected information to last unit, a CPU to control LED module for display, and a memory for user words or image stored as lattice data. It also provides the implementation method.
Description
Technical field
The present invention relates to a kind of display screen and its implementation that is applied in the mobile digital product, relate in particular to a kind of simple electronic display screen and its implementation.
Background technology
Continuous development along with science and technology, the application of electronic display curtain is more and more wider, from the airport, station, harbour extend to school, bank, present subway and public transit vehicle have almost all been equipped electronic display curtain miscellaneous, kind is a multitude of names also, from traditional monochromatic LED (light emitting diode), dual base color LED, full-color LED, PDP, LCD (LCDs) or the like.But these display screens all are fixing assemblings, can not arbitrarily move, and volume are bigger, the realization of its displaying contents in addition, existing traditional implementation method comprises 1) curing (single-chip microcomputer ten storeies); 2) non-curing utilizes external host (personal computer) to upgrade.Above-mentioned display lacks dirigibility and safeguards inconvenience, and cost is higher.
Existing traditional display screen curtain displaying principle is: shown figure or literal are made up of a series of point (pixel) on screen, monochromatic display screen, multicolor displaying screen and high pixel display screen are all like this, difference between them only is density and each some number of color that can show a little, and we are referred to as dot matrix display.As shown in Figure 1, 2, it is the 16*16 bitmap of a Chinese character " I ", black representative " 1 ", white representative " 0 ", in the encode Chinese characters for computer criterion, this word pixel is that 16*16 needs 32 BYTE to represent, the method that shows this word on screen is with video display screen corresponding display region and light (enable) this point of the pairing point of valid pixel (black) wherein, closes the pairing point of (disable) inactive pixels (white).
With monochromatic (MONO) display screen is example, as showing " I " needs 16 row, if a pixel is represented with the bright or dark state of a LED, show that a word needs the individual LED of 256 (16*16), show that two words need 512 LED, show that an English alphabet needs 128 LED, need the individual LED of 896 (128*7) as showing " WELCOME ", this display screen that makes can't be accomplished miniaturization.
Summary of the invention
Technical matters to be solved by this invention has provided a kind of simple electronic display screen and its implementation, and it can increase the function of electronic display for the mobile digital product.
In order to solve above technical matters, the invention provides a kind of simple electronic display screen, it comprises that LED illuminating module, displacement detection module, central authorities handle module, memory module, described memory module, and the literal or the image that are used for the user need be shown are stored as dot array data; Described LED illuminating module is made up of a row LED, is used to the literal or the image that show that needs show; Described displacement detection module is used for the shift position scope and the time of the described LED illuminating module of detecting real-time, and notifies described central authorities to handle module the shift position scope and the time that are detected; Described central authorities handle module, and whether according to described shift position scope and time and described dot array data, judging can be by demonstration all over the screen, if then control a row pixel of described LED illuminating module display string according to current side-play amount; If not, then define and control the character string that described LED illuminating module shows first block; Judge that current block shows that whether the time is greater than setting-up time, if be not more than setting-up time, then control the character string that described LED illuminating module continues to show current block according to current side-play amount, if greater than setting-up time, then control the character string that described LED illuminating module shows next block after being redirected; Described central authorities handle module and also are used for after described displacement detection module detects mobile the stopping of described LED illuminating module, control described LED illuminating module and finish to show.
In addition, the present invention also provides a kind of simple electronic display screen, and it comprises that LED illuminating module, displacement detection module, central authorities handle module, memory module, described memory module, and the literal or the image that are used for the user need be shown are stored as dot array data; Described LED illuminating module is made up of a row LED, is used to the literal or the image that show that needs show; Described displacement detection module is used for the shift position scope and the time of the described LED illuminating module of detecting real-time, and notifies described central authorities to handle module the shift position scope and the time that are detected; Described central authorities handle module, are used for controlling described LED illuminating module and showing the first frame figure according to described position and position moving range and described dot array data; And whether judge the demonstration time greater than setting-up time, if then control described LED illuminating module and show the next frame figure; If not, then control described LED illuminating module and show current frame data; Described central authorities handle module and also are used for after described displacement detection module detects mobile the stopping of described LED illuminating module, control described LED illuminating module and finish to show.
In addition, the present invention also provides a kind of method that realizes simple electronic display screen, it comprises, literal that first step system will show the user or image are saved in memory module with the form of dot array data, second shift position scope and the time of step system by displacement detection module detecting real-time LED illuminating module, the 3rd step comprised: (a) at first described central authorities handle module according to described shift position scope and time and described dot array data, whether judge can be by demonstration all over the screen, (b) if can all over the screenly show, then according to a row pixel of current side-play amount display string, next go to step (d), if can't all over the screenly show, then define and show the character string of first block, (c) judge that then current block shows that whether the time is greater than setting-up time, if be not more than setting-up time, then continue to show the character string of current block according to current side-play amount, if greater than setting-up time, the character string that then shows next block after being redirected, (d) whether the displacement of system by displacement detection module detecting LED illuminating module stops then, if stop then finishing showing, otherwise turn back to step (a).
The present invention also provides a kind of method that realizes simple electronic display screen, it comprises, literal that first step system will show the user or image are saved in memory module with the form of dot array data, second shift position scope and the time of step system by displacement detection module detecting real-time LED illuminating module, the 3rd step comprised: (a) at first central authorities handle module according to described position and position moving range and described dot array data, show the first frame figure, (b) judge that then whether the demonstration time is greater than setting-up time, if be not more than then return step (a), otherwise show the next frame figure, (c) whether the displacement of system by displacement detection module detecting LED illuminating module stops then, if stop, then finish to show, otherwise turn back to step (a).
Described LED illuminating module can be fixed on the back side or the side of mobile phone, perhaps the loam cake place of folding cell phone.
Because the present invention can utilize simple single-row LED to realize the function of display screen, can increase easy display screen functions for digital product like this, again because the LED illuminating module that is adopted can be fixed on the back side or the side of mobile phone, the perhaps loam cake place of folding cell phone, and volume is little, it is little to take up room, so it makes the mobile digital product realize the function of electronic display under the prerequisite that does not increase volume.
Description of drawings
Below in conjunction with the drawings and specific embodiments, the present invention is further elaborated.
Fig. 1 is existing display screen displaying principle synoptic diagram;
Fig. 2 is the enlarged drawing of 1 figure;
Fig. 3 is a system framework synoptic diagram of the present invention;
Fig. 4 is a LED illuminating module position view of the present invention;
Fig. 5 is LED illuminating module display effect figure of the present invention;
Fig. 6 is a process flow diagram of the present invention;
Fig. 7 is overlength character flow for displaying figure of the present invention;
Fig. 8 is motion graphics flow for displaying figure of the present invention.
Embodiment
Fig. 3 is a system framework synoptic diagram of the present invention.It comprises that LED illuminating module 1, displacement detection module 2, central authorities handle module 3, memory module 4.Memory module 4 is used to store the literal that the user need show or the dot array data of image; LED illuminating module 1 is made up of a row LED, is used to the literal or the image that show that needs show; Displacement detection module 2 is used for the shift position scope and the time of detecting real-time LED illuminating module 1, and with detecting shift position scope and the time notice central authorities handle module 3; Central authorities handle module 3, according to the shift position scope of the LED illuminating module 1 that obtains and the dot array data in time and the memory module 4, and literal or image that control LED illuminating module 1 explicit user need show.
As shown in Figure 5, it is LED illuminating module 1 display effect figure of the present invention.Displacement detection module 2 is responsible for the scope (referring to move left and right here) and the time of detecting real-time shift positions, and central authorities handle module 3 can get its travel frequency by calculating, as shown in Figure 5, according in → left side → in → right → in order move around like this.If show " I " this word, can respectively get the position of 8 points respectively to the right left from the centre and move to time of these points, light or close the LED of respective column respectively according to 16 row pixel datas of this word in the position of 16 points.When translational speed is accelerated gradually (per second 2～3 times back and forth), observing " an I " word from the user opposite just can display clearly, mainly be to utilize the hesitation of vision to light, in like manner character strings such as " hello ", " WELCOME " " I LOVE U ", " MARRYME " also can show.
Fig. 6 is a process flow diagram of the present invention.At first the literal that shows as required of user is input to memory module 4, memory module 4 saves as dot array data with literal, unlocking electronic display screen functions then, central authorities handle the dot array data that module 3 can take out this literal from reservoir module 4, when this mobile phone of user's move left and right, displacement detection module 2 can detect the position of LED illuminating module 1 and move variation, and notice central authorities handle module 3, whether handle module 3 by central authorities judges all over the screen, at first calculate preceding twice average displacement amount, and (Disp_strlen is meant once the length that shows the maximum character string that can show all over the screen to obtain Disp_strlen, it is used for difference and string length strlen to display,) maximal value, if the average displacement amount less than the maximal value of disp_strlen, then the explanation can not demonstration all over the screen then be transferred to flow process shown in Figure 7
Otherwise, explanation can all over the screenly show, (side-play amount is that central authorities handle module 3 and draw according to the shift position range computation according to the side-play amount of current location in system so, just during move left and right displacement from left to right), one row pixel of display string judges then whether displacement stops, just LED illuminating module 1 move left and right whether, if do not move then end, otherwise return judgement all over the screen.When LED illuminating module 1 moved frequency greater than 2 per seconds, this speech just can be come out by the identification clearly of people's eyes.
Fig. 7 is overlength character flow for displaying figure of the present invention.Because people's hand position moving range is limited, generally can be used to show 2～6 Chinese characters or 2～12 English alphabets, how to show more information, when the character string of required demonstration exceeds user's the displacement range of hand, system adopts roll display to overcome this problem, as shown in table 1 will the demonstration " INVENTEC-DAVID HO ", as only can display part character string pixel according to current side-play amount such as " INVENTEC ", the first row pixel of first (SP=0) pointed character " I " of SP so, EP tail column pointer points to last row pixel of character " C ", earlier this partial character string " INVENTEC " is shown, central authorities handle shift position scope and the time of module 3 according to LED illuminating module 1 then, judge the whether 0.5 second demonstration time of this character string, if the demonstration time is not more than 0.5 second, then continue to show the partial character string pixel that only can show according to current side-play amount; If the demonstration time was greater than 0.5 second, then every 0.5 second with display order adjustment (SP=SP+1 once, EP=EP+1), SP points to the secondary series pixel of character " I ", and EP points to the first row pixel of character "-", and so circulation can realize the roll display of long vocabulary, the present invention can dynamically adjust string length all over the screen according to the displacement range of staff, as show shown in the 2-4, be respectively first, second and third location displayed content, the demonstration of back is then.
Table .1
Table .2
| I | N | V | E | N | T | E | C |
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
Table .3
| N | V | E | N | T | E | |
|
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
Table .4
| V | E | N | T | E | C | |
|
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
The present invention not only can support literal to show, supports graphic presentation equally, and its displaying principle is identical with the character demonstration, because figure also is made up of one group of pixel, so be not repeated.
The present invention simultaneously also can support motion graphics to show that as shown in Figure 8, it is motion graphics flow for displaying figure of the present invention.Idiographic flow and literal flow for displaying part are basic identical, system shows the figure of first frame earlier, judge that then whether the demonstration time is greater than 1 second, if be not more than 1 second, then continue to show first frame, if greater than 1 second, then every mistake showed the figure of next frame in 1 second again, so, show again since first frame again, so move in circles and promptly realize the demonstration of motion graphics up to having shown last frame.
Claims (11)
1, a kind of simple electronic display screen is characterized in that, it comprises that LED illuminating module, displacement detection module, central authorities handle module, memory module,
Described memory module, the literal or the image that are used for the user need be shown are stored as dot array data;
Described LED illuminating module is made up of a row LED, is used to the literal or the image that show that needs show;
Described displacement detection module is used for the shift position scope and the time of the described LED illuminating module of detecting real-time, and notifies described central authorities to handle module the shift position scope and the time that are detected;
Described central authorities handle module, and whether according to described shift position scope and time and described dot array data, judging can be by demonstration all over the screen, if then control a row pixel of described LED illuminating module display string according to current side-play amount; If not, then define and control the character string that described LED illuminating module shows first block; Judge that current block shows that whether the time is greater than setting-up time, if be not more than setting-up time, then control the character string that described LED illuminating module continues to show current block according to current side-play amount, if greater than setting-up time, then control the character string that described LED illuminating module shows next block after being redirected; Also be used for after described displacement detection module detects mobile the stopping of described LED illuminating module, control described LED illuminating module and finish to show.
2, simple electronic display screen as claimed in claim 1 is characterized in that, described LED illuminating module can be fixed on the back side or the side of mobile phone, perhaps the loam cake place of folding cell phone.
3, a kind of simple electronic display screen is characterized in that, it comprises that LED illuminating module, displacement detection module, central authorities handle module, memory module;
Described memory module, the literal or the image that are used for the user need be shown are stored as dot array data;
Described LED illuminating module is made up of a row LED, is used to the literal or the image that show that needs show;
Described displacement detection module is used for the shift position scope and the time of the described LED illuminating module of detecting real-time, and notifies described central authorities to handle module the shift position scope and the time that are detected;
Described central authorities handle module, are used for according to described shift position scope and described dot array data, control described LED illuminating module and show the first frame figure; And whether judge the demonstration time greater than setting-up time, if then control described LED illuminating module and show the next frame figure; If not, then control described LED illuminating module and show current frame data; Also be used for after described displacement detection module detects mobile the stopping of described LED illuminating module, control described LED illuminating module and finish to show.
4, simple electronic display screen as claimed in claim 3 is characterized in that, described LED illuminating module can be fixed on the back side or the side of mobile phone, perhaps the loam cake place of folding cell phone.
5, a kind of method that realizes simple electronic display screen, it is characterized in that, it comprises, literal that first step system will show the user or image are saved in memory module with the form of dot array data, second shift position scope and the time of step system by displacement detection module detecting real-time LED illuminating module, the 3rd step comprised: (a) at first described central authorities handle module according to described shift position scope and time and described dot array data, whether judge can be by demonstration all over the screen, (b) if can all over the screenly show, then according to a row pixel of current side-play amount display string, next go to step (d), if can't all over the screenly show, then define and show the character string of first block, (c) judge that then current block shows that whether the time is greater than setting-up time, if be not more than setting-up time, then continue to show the character string of current block according to current side-play amount, if greater than setting-up time, the character string that then shows next block after being redirected, (d) whether the displacement of system by displacement detection module detecting LED illuminating module stops then, if stop then finishing showing, otherwise turn back to step (a).
6, the method for realization simple electronic display screen as claimed in claim 5 is characterized in that, the described demonstration time is that described central authorities processing module calculates according to described shift position scope and time.
7, the method for realization simple electronic display screen as claimed in claim 5 is characterized in that, described side-play amount is that described central authorities processing module draws according to described shift position range computation.
8, the method for realization simple electronic display screen as claimed in claim 5 is characterized in that, described LED illuminating module can be fixed on the back side or the side of mobile phone, perhaps the loam cake place of folding cell phone.
9, a kind of method that realizes simple electronic display screen, it is characterized in that, it comprises, literal that first step system will show the user or image are saved in memory module with the form of dot array data, second shift position scope and the time of step system by displacement detection module detecting real-time LED illuminating module, the 3rd step comprised: (a) at first central authorities handle module according to described shift position scope and described dot array data, show the first frame figure, (b) judge that then whether the demonstration time is greater than setting-up time, if be not more than then return step (a), otherwise show the next frame figure, (c) whether the displacement of system by displacement detection module detecting LED illuminating module stops then, if stop, then finishing to show, otherwise turn back to step (a).
10, the method for realization simple electronic display screen as claimed in claim 9 is characterized in that, the described demonstration time is that described central authorities processing module calculates according to described shift position scope and time.
11, the method for realization simple electronic display screen as claimed in claim 9 is characterized in that, described LED illuminating module can be fixed on the back side or the side of mobile phone, perhaps the loam cake place of folding cell phone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100285350A CN100517447C (en) | 2005-08-05 | 2005-08-05 | Simple electronic display screen and its realizing method |
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| CNB2005100285350A CN100517447C (en) | 2005-08-05 | 2005-08-05 | Simple electronic display screen and its realizing method |
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| CN1909044A CN1909044A (en) | 2007-02-07 |
| CN100517447C true CN100517447C (en) | 2009-07-22 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102054447B (en) * | 2009-11-10 | 2012-10-03 | 北京京东方光电科技有限公司 | Liquid crystal display driving method and driving circuit |
| CN104410915A (en) * | 2014-11-18 | 2015-03-11 | 北京洛哈技术有限公司 | Information processing system and information processing method |
| CN104464535A (en) * | 2014-12-11 | 2015-03-25 | 上海卓悠网络科技有限公司 | Screen-based neon display method and device |
| CN113986805A (en) * | 2021-10-26 | 2022-01-28 | 北京小米移动软件有限公司 | Timing method, apparatus and computer readable storage medium |
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