CN103258489A - Method and system for reducing ghost shadows of electronic ink screen - Google Patents
Method and system for reducing ghost shadows of electronic ink screen Download PDFInfo
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- CN103258489A CN103258489A CN 201210037330 CN201210037330A CN103258489A CN 103258489 A CN103258489 A CN 103258489A CN 201210037330 CN201210037330 CN 201210037330 CN 201210037330 A CN201210037330 A CN 201210037330A CN 103258489 A CN103258489 A CN 103258489A
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Abstract
The invention provides a method and system reducing ghost shadows of an electronic ink screen. In a Partial mode, when refreshment is carried out between two same gray scales, one or more frames of the gray scales are added, a refreshing mode that a grey scale is compensated in the process of a grey scale to the grey scale is achieved, the effect of VCOM voltage of the electric ink screen is resisted, the electric ink screen is prevented from darkening, the ghost shadows are reduced, the display speed is not influenced, and thus the display effect is greatly improved.
Description
Technical field
The present invention relates to electronic curtain display technique field, relate in particular to a kind of method and system that reduce electric ink screen ghost.
Background technology
Electric ink screen is also referred to as the E-Ink screen, is that a kind of itself is luminous and rely on the screen of extraneous reflective realization display effect, has the same outward appearance of paper to experience, and therefore in the e-book field very consequence is arranged.
The electric ink screen is made up of charged black and white particle, and the voltage different according to each point can be controlled black and white particle mobile range, thereby present different GTGs at screen.Electric ink screen on the market generally is 16 GTGs (showing that with 16 system numerical tables black is 0, is F in vain) at present, need switch mutually between different GTGs when screen switches, and always has 256 kinds of combinations.Describe the data of this combination, we are called the waveform of screen, are called for short Waveform.Suppose that last screen is 1 GTG, will brush into 9 GTGs now, then in the Waveform table, find (1,9) corresponding data, according to these data screen is powered on, thereby finish conversion.
Shown in Figure 1A, generally when literal showed, major part was the background of white and the literal of black to the electric ink screen on the screen, in page turning, maximum refreshing be exactly white to white, black to white, white to black, black to deceiving.Same gray level can not cause and refresh under the present use Partial pattern, such as from vain in vain, from deceiving, screen can not refresh, but the electric ink screen has one road VCOM voltage, is used for compensating the resistance of screen itself, when the charged and screen of VCOM does not refresh, VCOM can allow charged white particle slowly move down, and black track producing particle can slowly present, thereby causes the phenomenon of deepening.So, as shown in Figure 1B, under the Partial pattern, in vain to not refreshing in vain, the effect of the VCOM voltage of electric ink screen itself can allow slowly deepening of screen, make whiteness to descend to some extent, and relative deceiving to refreshing in vain, whiteness is than higher, and final two kinds of whiteness can be different, cause ghost, influence display effect.
Summary of the invention
The object of the present invention is to provide a kind of method and system that reduce electric ink screen ghost, by revising electric ink screen Waveform and driving, under the Partial pattern, increase between the same gray level once refreshes, prevent the screen deepening, thereby reduce ghost, improve display effect.
For addressing the above problem, the invention provides a kind of method that reduces electric ink screen ghost, comprising:
In Waveform, select the Partial pattern;
Revise the data that refresh between same gray level under the Partial pattern, to increase refreshing of a frame or this GTG of multiframe between described same gray level, refreshing;
Start refreshing of same gray level under the Partial pattern, use the whiteness test instrument to test to call the sequential of the frame that described modification driver module adjustment increases and the number of the frame determining to increase simultaneously.
Further, described Waveform comprises the data that refresh between expression 16 GTGs.
Further, described 16 GTGs show that with 16 system numerical tables black is 0, is F in vain.
Further, the data that refresh between the expression same gray level among the described Waveform comprise: (0,0), (1,1), (2,2), (3,3), (4,4), (5,5), (6,6), (7,7), (8,8), (9,9), (A, A), (B, B), (C, C), (D, D), (E, E), (F, F).
Further, refreshing to white between described same gray level refreshed or black in refreshing of deceiving to white.
Accordingly, the present invention also provides a kind of system that reduces electric ink screen ghost, comprising:
The preference pattern module is used for selecting the Partial pattern at Waveform;
Revise driver module, be used for revising the data that refresh between same gray level under the Partial pattern, to increase refreshing of a frame or this GTG of multiframe between described same gray level, refreshing;
Refresh adjusting module, be used for to start refreshing of same gray level under the Partial pattern, use the whiteness test instrument to test to call the sequential of the frame that described modification driver module adjustment increases and the number of the frame determining to increase simultaneously.
Compared with prior art, the method and system of reduction electric ink screen ghost provided by the invention, under the Partial pattern, increase a frame or this GTG of multiframe when between identical two GTGs, refreshing, realized the mode that refreshes of an a kind of GTG this GTG of compensation in the process of this GTG, resisted the effect of the VCOM voltage of electric ink screen, prevented the screen deepening, reduce ghost, but do not influenced display speed, thereby greatly improved display effect.
Description of drawings
Figure 1A to 1B is the display effect synoptic diagram before and after electric ink screen of the prior art refreshes;
The method flow diagram of Fig. 2 reduction electric ink screen of the present invention ghost;
Fig. 3 A to 3B is the display effect synoptic diagram before and after the electric ink screen of the specific embodiment of the invention refreshes;
Fig. 4 is the system architecture synoptic diagram of reduction electric ink screen ghost of the present invention.
Embodiment
Be described in further detail below in conjunction with the method and system of the drawings and specific embodiments to the reduction electric ink screen ghost of the present invention's proposition.
As shown in Figure 2, the invention provides a kind of method that reduces electric ink screen ghost, comprising:
S1 selects the Partial pattern in Waveform;
S2 revises the data that refresh between same gray level under the Partial pattern, to increase refreshing of a frame or this GTG of multiframe in refreshing between described same gray level;
S3 starts refreshing of same gray level under the Partial pattern, uses the whiteness test instrument to test to call the sequential of the frame that described modification driver module adjustment increases and the number of the frame determining to increase simultaneously.
General, different Waveform can open by different specific purpose tools.
In the present embodiment, described Waveform comprises the data that refresh between expression 16 GTGs, and described 16 GTGs show that with 16 system numerical tables black is 0, white is F, and general arranging is (0,0) (0,1), ..., (0, F) ... (F, 0) ... (F F), therefore, represents that wherein the data that refresh between described same gray level comprise: (0,0), (1,1), (2,2), (3,3), (4,4), (5,5), (6,6), (7,7), (8,8), (9,9), (A, A), (B, B), (C, C), (D, D), (E, E), (F, F), and (F, F) data are exactly white to the white waveform that refreshes use, and the data of (0,0) are exactly black in the black waveform that refreshes use.
In the present embodiment, shown in Fig. 3 A and 3B, refreshing to white to white refreshing, therefore in step S3 between described same gray level, can be white to white data basis, it is white to increase by a frame, and uses whiteness test instrument test effect, suitably adjusts the white sequential of a frame that increases according to reducing the ghost effect, if the bad words of effect, can also continue to increase white frame number, debugging repeatedly is up to reaching promising result (shown in Fig. 3 B).
In the present embodiment, realized a kind of whitely to the white mode that refreshes of white compression by under the Partial pattern, increasing white frame, resisted the effect of the VCOM voltage that electric ink shields, thereby increased the background whiteness, reduced ghost, improved display effect.
In the refresh process under the Partial pattern in other embodiments between same gray level, also can similarly increase a frame or this GTG of multiframe, realized that an a kind of GTG is to the mode that refreshes of this this GTG of gray scale compensation, for example black black to black compensation, 3 GTGs are to 3 gray scale compensation, 3 GTGs etc., have resisted the effect of the VCOM voltage of electric ink screen, thus the background GTG when balance refreshes, reduce ghost, improved display effect.
Accordingly, as shown in Figure 4, the present invention also provides a kind of system that reduces electric ink screen ghost, comprising:
Revise driver module 22, be used for revising the data that refresh between same gray level under the Partial pattern, to increase refreshing of a frame or this GTG of multiframe between described same gray level, refreshing;
Refresh adjusting module 23, be used for to start refreshing of same gray level under the Partial pattern, use the whiteness test instrument to test to call the sequential of the frame that described modification driver module adjustment increases and the number of the frame determining to increase simultaneously.
In the present embodiment, refreshing to white to white refreshing between described same gray level therefore at first can be by revising driver module 22 in vain to white data basis, and it is white to increase by a frame; Then, refresh adjusting module 23 and start refreshing of same gray level under the Partial patterns, use a frame of whiteness test instrument test increase in vain to reducing the effect of ghost simultaneously, call modification driver module 22 according to reducing the ghost effect, suitably adjust the white sequential of a frame that increases by revising driver module 22, if the bad words of effect, can also continue to increase white frame number, debugging repeatedly up to reaching promising result, and then is determined sequential and the number of the white frame that increases.
In sum, the method and system of reduction electric ink screen ghost provided by the invention, under the Partial pattern, increase a frame or this GTG of multiframe when between identical two GTGs, refreshing, realized the mode that refreshes of an a kind of GTG this GTG of compensation in the process of this GTG, resisted the effect of the VCOM voltage of electric ink screen, prevented the screen deepening, reduce ghost, but do not influenced display speed, thereby greatly improved display effect.
Obviously, those skilled in the art can carry out various changes and modification to invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (10)
1. a method that reduces electric ink screen ghost is characterized in that, comprising:
In Waveform, select the Partial pattern;
Revise the data that refresh between same gray level under the Partial pattern, to increase refreshing of a frame or this GTG of multiframe between described same gray level, refreshing;
Start refreshing of same gray level under the Partial pattern, use the whiteness test instrument to test to call the sequential of the frame that described modification driver module adjustment increases and the number of the frame determining to increase simultaneously.
2. the method for reduction electric ink screen ghost as claimed in claim 1 is characterized in that, described Waveform comprises the data that refresh between expression 16 GTGs.
3. the method for reduction electric ink screen ghost as claimed in claim 2 is characterized in that, described 16 GTGs show that with 16 system numerical tables black is 0, is F in vain.
4. the method for reduction electric ink screen ghost as claimed in claim 3 is characterized in that, the data that refresh between the expression same gray level among the described Waveform comprise: (0,0), (1,1), (2,2), (3,3), (4,4), (5,5), (6,6), (7,7), (8,8), (9,9), (A, A), (B, B), (C, C), (D, D), (E, E), (F, F).
5. the method for reduction electric ink as claimed in claim 1 screen ghost is characterized in that, refreshing to white between described same gray level refreshes or black in refreshing of deceiving to white.
6. a system that reduces electric ink screen ghost is characterized in that, comprising:
The preference pattern module is used for selecting the Partial pattern at Waveform;
Revise driver module, be used for revising the data that refresh between same gray level under the Partial pattern, to increase refreshing of a frame or this GTG of multiframe between described same gray level, refreshing;
Refresh adjusting module, be used for to start refreshing of same gray level under the Partial pattern, use the whiteness test instrument to test to call the sequential of the frame that described modification driver module adjustment increases and the number of the frame determining to increase simultaneously.
7. the system of reduction electric ink screen ghost as claimed in claim 6 is characterized in that, described Waveform comprises the data that refresh between expression 16 GTGs.
8. the system of reduction electric ink screen ghost as claimed in claim 7 is characterized in that, described 16 GTGs show that with 16 system numerical tables black is 0, is F in vain.
9. the system of reduction electric ink screen ghost as claimed in claim 8 is characterized in that, the data that refresh between the expression same gray level among the described Waveform comprise: (0,0), (1,1), (2,2), (3,3), (4,4), (5,5), (6,6), (7,7), (8,8), (9,9), (A, A), (B, B), (C, C), (D, D), (E, E), (F, F).
10. the method for reduction electric ink as claimed in claim 6 screen ghost is characterized in that, refreshing to white between described same gray level refreshes or black in refreshing of deceiving to white.
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| CN 201210037330 CN103258489A (en) | 2012-02-17 | 2012-02-17 | Method and system for reducing ghost shadows of electronic ink screen |
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| CN 201210037330 CN103258489A (en) | 2012-02-17 | 2012-02-17 | Method and system for reducing ghost shadows of electronic ink screen |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106128369A (en) * | 2016-08-31 | 2016-11-16 | 长沙丰灼通讯科技有限公司 | A kind of interface processing method reducing electronic ink screen ghost |
| CN106126084A (en) * | 2015-07-28 | 2016-11-16 | 掌阅科技股份有限公司 | A kind of display packing for electricity paper ink screen |
| CN108762596A (en) * | 2018-06-01 | 2018-11-06 | 广州视源电子科技股份有限公司 | Processing method and device of shadow and display method and device of display equipment |
| CN109272948A (en) * | 2018-11-30 | 2019-01-25 | 中山大学 | Electronic Paper driving adjustment method, device and computer equipment based on machine learning |
| CN109710869A (en) * | 2017-03-09 | 2019-05-03 | 掌阅科技股份有限公司 | The paging of web page contents shows method, apparatus and server, storage medium |
| CN110782847A (en) * | 2018-01-22 | 2020-02-11 | 青岛海信移动通信技术股份有限公司 | Page refreshing method and device for ink screen |
| WO2020042545A1 (en) * | 2018-08-30 | 2020-03-05 | 青岛海信移动通信技术股份有限公司 | Method and device for refreshing image on ink screen of dual-screen terminal |
| CN115346496A (en) * | 2022-08-16 | 2022-11-15 | 广州文石信息科技有限公司 | Screen display method, device and equipment based on frame rate and storage medium |
| CN117437891A (en) * | 2023-11-20 | 2024-01-23 | 广州文石信息科技有限公司 | Clear display method and device of ink screen, electronic equipment and storage medium |
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2012
- 2012-02-17 CN CN 201210037330 patent/CN103258489A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106126084A (en) * | 2015-07-28 | 2016-11-16 | 掌阅科技股份有限公司 | A kind of display packing for electricity paper ink screen |
| CN106128369A (en) * | 2016-08-31 | 2016-11-16 | 长沙丰灼通讯科技有限公司 | A kind of interface processing method reducing electronic ink screen ghost |
| CN109710869A (en) * | 2017-03-09 | 2019-05-03 | 掌阅科技股份有限公司 | The paging of web page contents shows method, apparatus and server, storage medium |
| CN109710869B (en) * | 2017-03-09 | 2021-07-23 | 掌阅科技股份有限公司 | Page display method and device of webpage content, server and storage medium |
| CN110782847A (en) * | 2018-01-22 | 2020-02-11 | 青岛海信移动通信技术股份有限公司 | Page refreshing method and device for ink screen |
| CN108762596A (en) * | 2018-06-01 | 2018-11-06 | 广州视源电子科技股份有限公司 | Processing method and device of shadow and display method and device of display equipment |
| WO2020042545A1 (en) * | 2018-08-30 | 2020-03-05 | 青岛海信移动通信技术股份有限公司 | Method and device for refreshing image on ink screen of dual-screen terminal |
| CN109272948A (en) * | 2018-11-30 | 2019-01-25 | 中山大学 | Electronic Paper driving adjustment method, device and computer equipment based on machine learning |
| CN109272948B (en) * | 2018-11-30 | 2021-06-01 | 中山大学 | Electronic paper drive debugging method and device based on machine learning and computer equipment |
| CN115346496A (en) * | 2022-08-16 | 2022-11-15 | 广州文石信息科技有限公司 | Screen display method, device and equipment based on frame rate and storage medium |
| CN117437891A (en) * | 2023-11-20 | 2024-01-23 | 广州文石信息科技有限公司 | Clear display method and device of ink screen, electronic equipment and storage medium |
| CN117437891B (en) * | 2023-11-20 | 2024-04-26 | 广州文石信息科技有限公司 | Clear display method and device of ink screen, electronic equipment and storage medium |
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Application publication date: 20130821 |