CN101794553B - Electrophoresis type display device and display method thereof - Google Patents
Electrophoresis type display device and display method thereof Download PDFInfo
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- CN101794553B CN101794553B CN200910006217.2A CN200910006217A CN101794553B CN 101794553 B CN101794553 B CN 101794553B CN 200910006217 A CN200910006217 A CN 200910006217A CN 101794553 B CN101794553 B CN 101794553B
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Abstract
The invention relates to an electrophoresis type display device and a display method thereof. The method comprises the following steps of: firstly, displaying a video image, and clearing the video of the previous video image by displaying a first color between every two video images; subsequently, temporarily changing the method of clearing the video of the previous video image by displaying the first color or the second color at first and then displaying the other one of the first color and the second color between every two video images when the number of the displayed video images reaches the preset number.
Description
Technical field
The present invention relates to a kind of technology of field of display, particularly relate to a kind of display packing and electrophoresis type display of electrophoresis type display.
Background technology
Refer to shown in Fig. 1, Fig. 1 is the diagrammatic cross-section of a kind of electrophoresis type display panel (electrophoreticdisplay panel)., this electrophoresis type display panel 100 has multiple pixels (be picture element, be all called pixel herein) (pixel) 110, and these pixels are for display frame (frame).The electrophoresis layer (electrophoretic layer) 120 of electrophoresis type display 100 has multiple microcapsules (microcapsule) 122, and the inside of each microcapsules 122 is filled with electrophoretic fluid (electrophoretic fluid) 124.Electrophoretic fluid 124 in each microcapsules 122 includes insulation impregnant (dielectric solvent) 124a and multiple charged colored particles (chargedpigment particle) 124b.
In these above-mentioned charged colored particles, the charged colored particles 124b positively charged of white, and the charged colored particles 124b of black is electronegative.Therefore, if apply positive voltage on pixel electrode 126 and 128, the charged colored particles 124b of white will move toward the direction of transparency electrode 130 so, and the charged colored particles 124b of black can move toward the direction of pixel electrode 126 and 128.Otherwise if apply negative voltage on pixel electrode 126 and 128, the charged colored particles 124b of black will move toward the direction of transparency electrode 130 so, the charged colored particles 124b of white can move toward the direction of pixel electrode 126 and 128.By such control mode, just can show required image frame (image frame has the picture of image) by electrophoresis type display panel 100.
Fig. 2 illustrates a kind of existing known display packing, applies to have the display device of electrophoresis type display panel.As shown in Figure 2, this display packing is exactly sequentially to show each image frame.But, because the viscosity of aforesaid insulation impregnant can limit the translational speed of charged colored particles, so in the time showing current image frame, just likely there will be the ghost (ghostimage) of previous image frame.For instance, in the time of show image picture 204, just likely there will be the ghost of image frame 202, as shown in Figure 3.Fig. 3 is the schematic diagram that ghost appears in image frame 204, and solar image 302 in Fig. 3 is exactly the ghost of aforementioned image frame 202.
In order to improve the problem of above-mentioned ghost, there is a kind of ghost reset mode to be suggested, as shown in Figure 4.Fig. 4 illustrates existing known a kind of ghost reset mode schematic diagram.Refer to the first half of Fig. 4, this mode is exactly between every two image frames, by showing a white picture and a black picture, removes the image of last image frame.For instance, after having shown image frame 402, just then sequentially display white picture 404 and black picture 406 again, to remove the image of image frame 402, then show image picture 408.
The shortcoming of this way, the picture overall brightness value that can be illustrated by the latter half of Fig. 4 is explained.As shown in Figure 4, in the time of show image picture, picture overall brightness value is not the brightest, also not the darkest.But, due in the time converting image frame, can increase display white picture and black picture, and in order not affect reading, the time of display white picture and black picture can be very of short duration, therefore in the process of conversion image frame, picture overall brightness value can be increased to suddenly the brightest, is and then reduced to suddenly more again the darkest.Thus, visually will feel flicker and cause uncomfortable reading sensation.
As can be seen here, above-mentioned existing electrophoresis type display and display packing, in method, product structure and use, obviously still have inconvenience and defect, and are urgently further improved.In order to solve the problem of above-mentioned existence, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, but have no for a long time applicable design is completed by development always, and conventional method and product do not have appropriate method and structure to address the above problem, this is obviously the problem that the anxious wish of relevant dealer solves.Therefore how to found a kind of display packing and electrophoresis type display of new electrophoresis type display, real one of the current important research and development problem that belongs to, also becoming the current industry utmost point needs improved target.
Summary of the invention
The object of the invention is to, overcome the defect that existing electrophoresis type display and display packing exist, and provide a kind of display packing of new electrophoresis type display, technical matters to be solved is to make electrophoresis type display not only can eliminate ghost, can not allow again user visually feel flicker simultaneously, and then cause uncomfortable reading sensation, be very suitable for practicality.
Another object of the present invention is to, a kind of electrophoresis type display that uses said method is provided.
The object of the invention to solve the technical problems realizes by the following technical solutions.The display packing of a kind of electrophoresis type display proposing according to the present invention, comprising: carry out the demonstration of image frame, and between every two image frames, remove the image of last image frame by demonstration one first color; And in the time that the quantity of shown image frame reaches a predetermined quantity, just make into momently between every two image frames, by first showing one of them of this first color and one second color, and then show this first color and this second color wherein another, remove the image of last image frame.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
The display packing of aforesaid electrophoresis type display is wherein whole images or the partial image of removing last image frame by this first color of demonstration.
The display packing of aforesaid electrophoresis type display, wherein by first showing one of them of this first color and this second color, and then show this first color and this second color wherein another, remove whole images or the partial image of last image frame.
The display packing of aforesaid electrophoresis type display, wherein said is by first showing one of them of this first color and this second color, and then show this first color and this second color wherein another, remove whole images or the partial image of last image frame.
The object of the invention to solve the technical problems also realizes by the following technical solutions.A kind of electrophoresis type display proposing according to the present invention, comprising: an electrophoresis type display panel, one data-driven unit, couples this electrophoresis type display panel, one drive element of the grid, couples this electrophoresis type display panel, an and timing control unit, in order to control the operation of this data-driven unit and this drive element of the grid, further to make this electrophoresis type display panel carry out the demonstration of image frame, and between every two image frames, make this electrophoresis type display panel demonstration one first color remove the image of last image frame, and in the time that the quantity of shown image frame reaches a predetermined quantity, this timing control unit just makes into momently between every two image frames, make this electrophoresis type display panel first show one of them of this first color and one second color, and then show this first color and this second color wherein another, remove the image of last image frame.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid electrophoresis type display, wherein said timing control unit is by making this electrophoresis type display panel show that this first color removes whole images or the partial image of last image frame.
Aforesaid electrophoresis type display, wherein said timing control unit is by making this electrophoresis type display panel first show one of them of this first color and this second color, and then show this first color and this second color wherein another, remove whole images or the partial image of last image frame.
Aforesaid electrophoresis type display, the first wherein said color is one of them of white and black, and this second color is in white and black, to be different from this first color.
The present invention compared with prior art has obvious advantage and beneficial effect.By technique scheme, the display packing of electrophoresis type display of the present invention and electrophoresis type display at least have following advantages and beneficial effect: the present invention adopts two kinds of ghost reset modes to carry out the demonstration of image frame, wherein a kind of is main ghost reset mode, namely, between every two image frames, remove the image of last image frame by demonstration the first color.So, just can reduce film flicker, and then reduce uncomfortable reading sensation.And in the time that the quantity of shown image frame reaches predetermined quantity, just make momently auxiliary ghost reset mode into, namely between every two image frames, by first showing one of them of the first color and the second color, and then show the first color and the second color wherein another, remove the image of last image frame.So, just, can powerful remove main ghost reset mode the ghost that cannot remove completely.
In sum, the present invention makes electrophoresis type display not only can eliminate ghost, can not allow again user visually feel flicker simultaneously, and then causes uncomfortable reading sensation.The present invention has significant progress technically, has obvious good effect, is really a new and innovative, progressive, practical new design.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of instructions, and for above and other object of the present invention, feature and advantage can be become apparent, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, be described in detail as follows.
Accompanying drawing explanation
Fig. 1 is a kind of diagrammatic cross-section of electrophoresis type display panel.
Fig. 2 illustrates a kind of existing known display packing, applies to have the display device schematic diagram of electrophoresis type display panel.
Fig. 3 is the schematic diagram that ghost appears in image frame 204.
Fig. 4 illustrates existing known a kind of ghost reset mode schematic diagram.
Fig. 5 illustrates the electrophoresis type display schematic diagram according to one embodiment of the invention.
Fig. 6 illustrates and applies to a kind of ghost reset mode schematic diagram of the present invention.
Fig. 7 illustrates and applies to another kind of ghost reset mode schematic diagram of the present invention.
Fig. 8 illustrates and applies to another ghost reset mode schematic diagram of the present invention.
Fig. 9 illustrates and applies to another ghost reset mode schematic diagram of the present invention.
Figure 10 is the display packing according to one embodiment of the invention, is applicable to an electrophoresis type display schematic diagram.
100: electrophoresis type display panel 110: pixel
120: electrophoresis layer 122: microcapsules
124: electrophoretic fluid 124a: insulation impregnant
124b: charged colored particles 126,128: pixel electrode
130: transparency electrode
202,204,402,408,602,606,702,708,802,806,902,908: image frame
302,703: ghost 404,604,706: white picture
406,704: black picture 500: electrophoresis type display
502: timing control unit 504: data-driven unit
506: drive element of the grid 508: electrophoresis type display panel
804,904,906: the image frame 808,810,910,912 of signal use: image
S1002, S1004: step
Embodiment
Technological means and effect of taking for reaching predetermined goal of the invention for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, its embodiment of electrophoresis type display, method, step, structure, feature and effect thereof of the display packing to the electrophoresis type display proposing according to the present invention and utilization the method, be described in detail as follows.
Relevant aforementioned and other technology contents of the present invention, Characteristic can be known and present in the following detailed description coordinating with reference to graphic preferred embodiment.By the explanation of embodiment, when obtaining one more deeply and concrete understanding for technological means and effect of reaching predetermined object and taking to the present invention, but appended graphic be only to provide with reference to the use of explanation, be not used for the present invention to be limited.
Fig. 5 illustrates the electrophoresis type display according to one embodiment of the invention.This electrophoresis type display 500 includes timing control unit 502, data-driven unit 504, drive element of the grid 506 and electrophoresis type display panel 508.Wherein, timing control unit 502 is coupled to data-driven unit 504 and drive element of the grid 506, and data-driven unit 504 and drive element of the grid 506 all couple electrophoresis type display panel 508.In this example, electrophoresis type display panel 508 is to adopt shown in Fig. 1, has the electrophoresis type display panel of these two kinds of charged colored particles of white and black, and wherein the charged colored particles of white is also positively charged, and the charged colored particles of black is electronegative.But electrophoresis type display panel 508 of the present invention can be also the electrophoresis type display panel that adopts the charged colored particles with other two kinds of colors, as long as the electrical difference of the charged colored particles of these two kinds of colors.
In addition, for example,, in the time that the quantity of shown image frame reaches predetermined quantity (10 image frames), timing control unit 602 just can use auxiliary ghost reset mode momently instead, as shown in Figure 7.Fig. 7 illustrates and applies to another kind of ghost reset mode of the present invention.Refer to the first half of Fig. 7, this mode is exactly between every two image frames, and timing control unit 502 also can, by making electrophoresis type display panel 508 show a black picture and a white picture, be removed the image of last image frame.For instance, after having shown image frame 702, timing control unit 502 just then makes electrophoresis type display panel 508 sequentially show black picture 704 and white picture 706 again, to remove the image of image frame 702, then just makes electrophoresis type display panel 508 show image pictures 708.Therefore, if in image frame 702, occurred mode that Fig. 6 illustrates the ghost 703 that cannot remove completely, just can utilize black picture 704 and white picture 706 to carry out brute force and remove, allow and can not occur again the ghost of any previous image frame in image frame 708.
Although in the example described in Fig. 6, between every two image frames, be to utilize display white picture to remove the image of last image frame.But it can be also between every two image frames, utilize demonstration black picture to remove the image of last image frame.In addition,, although in the example described in Fig. 7, between every two image frames, be to utilize first to show black picture, then display white picture, removes the image of last image frame.But it can be also between every two image frames, utilizes first display white picture, then shows black picture, removes the image of last image frame.
In addition, by the teaching of previous embodiment, this area has knows that the knowledgeable should know conventionally, between every two image frames, timing control unit 502 is not only whole images that can make electrophoresis type display panel 508 remove last image frame by display white, can be also to make electrophoresis type display panel 508 remove the partial image of last image frame by display white.With Fig. 8, it is described.
Fig. 8 illustrates and applies to another ghost reset mode of the present invention.Refer to shown in Fig. 8, timing control unit 502 can, by judging the difference of image frame 802 and 806, decide and will make electrophoresis type display panel 508 remove which image in image frame 802 by display white.With this example, timing control unit 502 can be judged the difference of image frame 802 and 806, is the region, the lower right corner in four regions of image frame, can present different images.Therefore, between image frame 802 and 806, timing control unit 502 will make electrophoresis type display panel 508 by the position display white with respect to region, the above-mentioned lower right corner, removes the face image 808 in image frame 802, shown in the image frame 804 of signal use.Then, timing control unit 502 just can make the cup image 810 in electrophoresis type display panel 508 show image pictures 806 again.
In like manner, by the teaching of previous embodiment, this area has knows that the knowledgeable also ought know conventionally, and between every two image frames, timing control unit 502 is not only and can be made electrophoresis type display panel 508 by first showing black, display white again, removing whole images of last image frame, can be also to make electrophoresis type display panel 508 by first showing black then display white, remove the partial image of last image frame, as shown in Figure 9.Fig. 9 illustrates and applies to another ghost reset mode of the present invention.Because the mode of operation of Fig. 9 is worked as and can be analogized by the mode of operation of Fig. 8, just repeat no more at this.
The teaching of integration the various embodiments described above, can summarize a kind of basic demonstration operating concept, as shown in figure 10.Figure 10 is the display packing according to one embodiment of the invention, is applicable to an electrophoresis type display.Refer to shown in Figure 10, the method includes the following step: be first the demonstration of carrying out image frame, and between every two image frames, remove the image (as shown in step S1002) of last image frame by demonstration the first color.Then, in the time that the quantity of shown image frame reaches predetermined quantity, just make into momently between every two image frames, by first showing one of them of the first color and the second color, and then show the first color and the second color wherein another, remove the image (as shown in step S1004) of last image frame.
In sum, the present invention adopts two kinds of ghost reset modes to carry out the demonstration of image frame, and wherein a kind of is main ghost reset mode, namely, between every two image frames, removes the image of last image frame by demonstration the first color.So, just can reduce film flicker, and then reduce uncomfortable reading sensation.And in the time that the quantity of shown image frame reaches predetermined quantity, just make momently auxiliary ghost reset mode into, namely between every two image frames, by first showing one of them of the first color and the second color, and then show the first color and the second color wherein another, remove the image of last image frame.So, just, can powerful remove main ghost reset mode the ghost that cannot remove completely.
The above, it is only preferred embodiment of the present invention, not the present invention is done to any pro forma restriction, although the present invention discloses as above with preferred embodiment, but not in order to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, when can utilizing the technology contents of above-mentioned announcement to make a little change or being modified to the equivalent embodiment of equivalent variations, in every case be not depart from technical solution of the present invention content, any simple modification of above embodiment being done according to technical spirit of the present invention, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (8)
1. a display packing for electrophoresis type display, is characterized in that it comprises the following steps:
Carry out the demonstration of image frame, and between every two image frames, according to the difference of these two image frames by only region that should difference being shown to one first color removes the image of last image frame; And
In the time that the quantity of shown image frame reaches a predetermined quantity, just make into momently between every two image frames, by first showing one of them of this first color and one second color, and then show this first color and this second color wherein another, remove the image of last image frame.
2. the display packing of electrophoresis type display according to claim 1, is characterized in that it being wherein whole images or the partial image of removing last image frame by this first color of demonstration.
3. the display packing of electrophoresis type display according to claim 1, it is characterized in that wherein said is by first showing one of them of this first color and this second color, and then show this first color and this second color wherein another, remove whole images or the partial image of last image frame.
4. the display packing of electrophoresis type display according to claim 1, it is characterized in that the first wherein said color is one of them of white and black, and this second color is in white and black, to be different from this first color.
5. an electrophoresis type display, is characterized in that it comprises:
One electrophoresis type display panel;
One data-driven unit, couples this electrophoresis type display panel;
One drive element of the grid, couples this electrophoresis type display panel; And
One timing control unit, in order to control the operation of this data-driven unit and this drive element of the grid, further to make this electrophoresis type display panel carry out the demonstration of image frame, and between every two image frames, this timing control unit judges the difference of these two image frames and makes this electrophoresis type display panel only show in the region to should difference that one first color removes the image of last image frame, and in the time that the quantity of shown image frame reaches a predetermined quantity, this timing control unit just makes into momently between every two image frames, make this electrophoresis type display panel first show one of them of this first color and one second color, and then show this first color and this second color wherein another, remove the image of last image frame.
6. electrophoresis type display according to claim 5, is characterized in that wherein said timing control unit is by making this electrophoresis type display panel show that this first color removes whole images or the partial image of last image frame.
7. electrophoresis type display according to claim 5, it is characterized in that wherein said timing control unit is by making this electrophoresis type display panel first show one of them of this first color and this second color, and then show this first color and this second color wherein another, remove whole images or the partial image of last image frame.
8. electrophoresis type display according to claim 5, it is characterized in that the first wherein said color is one of them of white and black, and this second color is in white and black, to be different from this first color.
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| TWI431584B (en) | 2010-09-15 | 2014-03-21 | E Ink Holdings Inc | Electronic paper display drive method and apparatus thereof |
| CN102446493B (en) * | 2010-09-30 | 2014-01-01 | 元太科技工业股份有限公司 | Drive method of electronic paper display device and drive device of electronic paper display device |
| US9620048B2 (en) * | 2013-07-30 | 2017-04-11 | E Ink Corporation | Methods for driving electro-optic displays |
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| WO2005096259A1 (en) * | 2004-03-30 | 2005-10-13 | Koninklijke Philips Electronics, N.V. | An electrophoretic display with reduced cross walk |
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| JP2007163987A (en) * | 2005-12-15 | 2007-06-28 | Nec Lcd Technologies Ltd | Electrophoretic display |
| JP2008102231A (en) * | 2006-10-18 | 2008-05-01 | Bridgestone Corp | Particle for display medium and panel for information display using the same |
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| CN1938643A (en) * | 2004-03-29 | 2007-03-28 | 精工爱普生株式会社 | Electrophoretic display, method for driving electrophoretic display, and storage display |
| WO2005096259A1 (en) * | 2004-03-30 | 2005-10-13 | Koninklijke Philips Electronics, N.V. | An electrophoretic display with reduced cross walk |
| JP2007163987A (en) * | 2005-12-15 | 2007-06-28 | Nec Lcd Technologies Ltd | Electrophoretic display |
| JP2008102231A (en) * | 2006-10-18 | 2008-05-01 | Bridgestone Corp | Particle for display medium and panel for information display using the same |
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