CN101003228A - Magnetism display method and device based on two-color magnetic fine particle - Google Patents
Magnetism display method and device based on two-color magnetic fine particle Download PDFInfo
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- CN101003228A CN101003228A CN 200610023510 CN200610023510A CN101003228A CN 101003228 A CN101003228 A CN 101003228A CN 200610023510 CN200610023510 CN 200610023510 CN 200610023510 A CN200610023510 A CN 200610023510A CN 101003228 A CN101003228 A CN 101003228A
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Abstract
A magnetic display method based on bichromatic magnetic particles includes such steps as preparing bichromatic magnetic particles, uniformly arranging said particles in a space between displaying front plate and back plate to become a display device, using locating part to limit the freedoms of said particles but retaining one unidirectional rotary freedom, and using magnetic tool to write on its front plate and then erase the tracing. Its device and the bichromatic particle and its preparing process are also disclosed.
Description
Technical field
The present invention relates to the magnetic Display Technique, more particularly, the present invention relates to a kind ofly, also relate to the structure and the manufacture method thereof of described two-color magnetic fine particle simultaneously based on two-color magnetic fine particle magnetism display method and device.Based on this magnetism display method, utilize magnetic force to write and erasing apparatus, can make does not have dirt bits to produce when writing and wiping literal or graphical information on the magnetic display unit, and magnetic display unit and magnetic force writes and erasing apparatus is all reusable.
Background technology
At present, knownly utilize magneto motive display packing to be mainly used in picture to write formative education children's stationery such as plate.Its basic principle is a large amount of black magnetic particulates and the white background liquid with certain density and viscosity to be mixed form magnetic demonstration liquid, magnetic shows that liquid is encapsulated in the transparent thin board with latticed space, perhaps utilize microcapsules technology to be made into earlier and contain the transparent microcapsules that magnetic shows liquid, again with its coating and be laminated on the transparent thin board that scribbles bonding agent in advance, thereby form existing magnetic display unit, it is mainly used in picture at present and writes plate.The magnetic particulate here is normally monochromatic, and mainly is to grind by the mineral grain that directly will have magnetic to make.During use, by magnetic display unit (picture is write plate) just or reverse side apply the magnetic field of certain intensity, black magnetic particulate is attracted and attached to the front or the reverse side of magnetic display unit (picture is write plate) under magneticaction.When being adsorbed to the front; black magnetic particulate can be according to the shape of externally-applied magnetic field and movement locus thereof and is arranged in certain figure; the black magnetic particulate that is in the white background liquid outside the magnetic field then is not adsorbed to the front, thus this moment from top view to be exactly the figure of the black under the white background.When needs are wiped the figure of front black, then must apply the magnetic field of certain intensity at the correspondence position of this magnetic display unit (picture is write plate) reverse side, be adsorbed onto reverse side will be adsorbed to positive black magnetic particulate, under the covering of white background liquid, just can't see the figure of black like this from the front.
But, in many cases, require can write in magnetic display unit one side, can wipe again, with user-friendly.And present magnetic display unit obviously can't be accomplished this point effectively, therefore, has limited magnetic Display Technique applying in more areas to a certain extent.The present invention is further improved on 2004100530432 the patent basis, and its applicant is identical with the application with the inventor, and the application quotes in full above-mentioned application, its content at this with for referencial use.
Summary of the invention
In order to solve the problems of the technologies described above, make and can write simultaneously and erase operation in the one side of magnetic display unit, the present invention proposes a kind of magnetism display method and device based on two-color magnetic fine particle.
The present invention solves the problems of the technologies described above the technical scheme that is adopted to be: a kind of magnetism display method based on two-color magnetic fine particle, it comprises the steps:
1) make a kind of two-color magnetic fine particle earlier, the South Pole of the one side exhibit magnetic properties of this particulate, the arctic of another side exhibit magnetic properties, and this two sides has different colours;
2) the above-mentioned two-color magnetic fine particle that will process in a large number is arranged in the space between display floater and the backboard equably, makes the magnetic display unit, and wherein display floater is transparent panel;
3) retrain the part free degree of these two-color magnetic fine particles by positioning element,, and keep rotational freedom on direction of two-color magnetic fine particle at least with the moving range of restriction two-color magnetic fine particle;
4) utilize magnetic force to write and erasing apparatus, apply the magnetic field of definite shape, intensity and direction on magnetic display unit surface, make two-color magnetic fine particle wherein under magneticaction, do the flip-flop movement of orientation, thereby demonstrate predetermined shape.
The present invention also provides a kind of magnetic display unit based on two-color magnetic fine particle, and it comprises:
Display floater and backboard, between form certain space;
Two-color magnetic fine particle is positioned at described space; The South Pole that it is characterized in that the one side exhibit magnetic properties of described particulate, the arctic of another side exhibit magnetic properties, and the two sides has different colours, described device also comprises positioning element, it retrains the part free degree of described two-color magnetic fine particle, with the moving range of restriction two-color magnetic fine particle, and keep two-color magnetic fine particle rotational freedom in one direction at least.
The present invention further provides a kind of two-color magnetic fine particle, the South Pole of its one side exhibit magnetic properties, the arctic of another side exhibit magnetic properties, and the two sides has different colours; Retrain its part free degree by positioning element, limiting its range of movement, and keep its rotational freedom in one direction at least.
The present invention further provides a kind of manufacture method of two-color magnetic fine particle, it may further comprise the steps:
1) certain thickness isotropism magnetic material with certain density and Surface field intensity is die-cut into thin slice with reservation shape and size;
2) utilize the technology that magnetizes to magnetize according to certain magnetizing direction;
3) magnetic particle that will magnetize is tinted according to the polarity difference, is coated with respectively with different colors at its two poles of the earth, north and south.
Magnetism display method and device based on two-color magnetic fine particle provided by the invention, can realize writing with erase operation and can carry out on the display floater and the backboard two sides of magnetic display unit, also can be in the display panel side of magnetic display unit, or the backboard side is simultaneously carried out, and magnetic display unit and magnetic force write and erasing apparatus is all reusable, in writing process, there is not powder, is apply the created condition of magnetic Display Technique in more areas.
The accompanying drawing summary
The present invention is further described below in conjunction with drawings and Examples, wherein:
Fig. 1 is the structural map of first embodiment of the invention, and it is with the erasable pattern work of single face, and the core material of forming magnetic display unit device is a two-color magnetic fine particle;
Fig. 2 is as shown in Figure 1 the magnetic display unit cross-sectional configuration figure when being in original state.
Fig. 3 is as shown in Figure 1 the magnetic display unit cross-sectional configuration figure when being in erase status.
Fig. 4 is that as shown in Figure 1 magnetic display unit is in the cross-sectional configuration figure under the write state.
Reference numeral is represented respectively among above-mentioned each figure:
1. magnetic display unit, 2. two-color magnetic fine particle, 3. backstay, 4. display floater, 5. backboard, 6. magnetic force erasing apparatus, 7. magnetic force writing station.
The specific embodiment
In Fig. 1, be scattered here and there equably in the magnetic display unit 1 and go here and there two-color magnetic fine particle 2 on backstay 3 in a large number.The South Pole of the one side exhibit magnetic properties of all two-color magnetic fine particles 2, the arctic of another side exhibit magnetic properties, and this two sides has different colours.For example: south face is white, and north pole face is black.In actual applications, the method of making this two-color magnetic fine particle 2 can be such realization: by certain thickness isotropism magnetic material with certain density and Surface field intensity being die-cut into the thin slice of definite shape and size, utilize the technology that magnetizes to magnetize again according to certain magnetizing direction, and then utilize the magnetic particle that existing dye technology magnetizes the front to tint according to the polarity difference, to make the two-color magnetic fine particle 2 that the two poles of the earth, north and south are respectively different colours.Thousands of such two-color magnetic fine particles 2 are distributed evenly at as the space between the two-layer thin plate of display floater 4 and backboard 5 to make the magnetic display unit, and wherein display floater 4 is transparent plate.
In embodiment illustrated in fig. 2, two-color magnetic fine particle 2 is gone here and there on backstay 3, and between the top layer transparent display panel 4 and bottom backboard 5 that evenly are arranged in, forms magnetic display unit 1.Because backstay 3 and adjacent double-colored magnetic-particle 2 interphase interactions, make that the two-color magnetic fine particle 2 part frees degree are restrained, but can rotate around backstay 3, promptly keep two-color magnetic fine particle 2 rotational freedom in one direction at least, original state two-color magnetic fine particle in the magnetic display unit 12 under not having the externally-applied magnetic field effect does not have tangible orientation, but is in rambling state.By retraining these two-color magnetic fine particle 2 part frees degree, moving range with restriction two-color magnetic fine particle 2, and keeping rotational freedom on the one direction at least, two-color magnetic fine particle 2 sizes are determining display precision, can be according to desired resolution ratio decision.Based on the principle that the magnetisable material same sex is repelled mutually, there is a natural attraction between the sexes draws, utilize magnetic force to write and erasing apparatus, make wherein two-color magnetic fine particle 2 under magneticaction, do the flip-flop movement of orientation by the magnetic field that applies definite shape, intensity and direction on magnetic display unit surface.
Based on the principle that the magnetisable material same sex is repelled mutually, there is a natural attraction between the sexes draws, be appreciated that this magnetic display unit is under magnetic force is wiped cooperation with writing station, both can the erasable pattern work of single face also can two-sided erasable pattern work, such magnetic force is wiped with writing station and is called " magnetic force wiping " and " magnetic pen " respectively.
In Fig. 3, magnetic display unit 1 as shown in Figure 2 is applied in an arctic towards the certain intensity of magnetic display unit 1 and the magnetic field of shape under 6 effects of magnetic force erasing apparatus, the orientation upset takes place the two-color magnetic fine particle 2 in this field region in the magnetic display unit 1.Its south face is that white face is magnetic display unit 1 front towards top layer transparent display panel 4, is magnetic display unit 1 reverse side and north pole face is a black side towards bottom backboard 5.This moment the magnetic display unit from top view to be that the background color of white is a background colour.
In Fig. 4, magnetic display unit 1 as shown in Figure 2 is applied in a South Pole towards the certain intensity in magnetic display unit 1 front and the magnetic field of shape under 7 effects of magnetic force writing station, the orientation upset takes place the two-color magnetic fine particle 2 in the magnetic display unit 1 in this field region.Its south face is that white face upset back is magnetic display unit 1 reverse side towards bottom backboard 5, and north pole face is that black side upset back is magnetic display unit 1 front towards top layer transparent display panel 4.This moment, magnetic display unit 1 can be observed the figure that black occurred from the front, the shape in magnetic force writing station 7 magnetic field that applies and determining the live width and the shape of figure at the movement locus of transparent display panel 4, and the two-color magnetic fine particle 2 that is in the magnetic display unit 1 outside the zone of action, magnetic field does not overturn owing to be not subjected to magneticaction, thereby still keep as the state among Fig. 2: its south face is that white face is magnetic display unit 1 front towards top layer transparent display panel 4, and north pole face is that black side is magnetic display unit 1 reverse side towards bottom backboard 5.Like this outside the zone of action, magnetic field still the background color of display white be background colour.
When working with the erasable pattern of single face, its operation principle is such: can apply the directional magnetic field of a definite shape and intensity and make its front of skimming over this magnetic display unit equably (display surface) by " magnetic force wiping " earlier.If by above narrating, the south face of the two-color magnetic fine particle in being dispersed in the magnetic display unit is white, north pole face is a black, so as long as the externally-applied magnetic field direction is that the arctic is towards magnetic display unit front (display surface) at this moment, just can make all be in the upset that fixed orientation takes place for two-color magnetic fine particle in the zone of action, magnetic field under magneticaction according to repel each other the principle that there is a natural attraction between the sexes of the magneto motive same sex, its south face is that white face is towards the display unit front, north pole face is that black side is towards displaying plate face, this moment from the top view of magnetic display unit to be the background color background colour of this magnetic display unit just of white, in the time will demonstrating the figure of definite shape and live width in the front of magnetic display unit, only need to apply in its front by " magnetic pen " directional magnetic field of certain intensity and shape, magnetic direction is that the South Pole is towards magnetic display unit front.The upset of the fixed orientation of similar front erase process promptly can take place in the two-color magnetic fine particle in the magnetic display unit that this magnetic field acted under magneticaction like this, making its south face is white face magnetic display unit front dorsad, and north pole face is that black side is towards magnetic display unit front.This moment from the top view of magnetic display unit to be the figure that has occurred black the background colour of white.Because the X of two-color magnetic fine particle, Y, the one-movement-freedom-degree of three directions of Z is restrained, even remove that magnetic force is wiped or the externally-applied magnetic field of writing station after, they also can rest on original position and keep the state of itself, so just shown image are kept.The flip-flop movement that only need adopt the magnetic field of foregoing " magnetic force wipings " and " magnetic pen " fixed-direction by applying certain intensity and shape to control the two-color magnetic fine particle in a certain regional magnetic display unit when needs are revised original picture material or write new picture material again can realize wiping the operation of rewriting and rewriting.
When working with two-sided erasable pattern, its operation principle is such: apply the magnetic field of a definite shape and intensity and make it skim over the reverse side of the display surface of this magnetic display unit equably by " magnetic force wiping ", based on the same above same principle of the erasable pattern of single face, this moment, the front from the magnetic display unit was the background colour that display surface can be observed the magnetic display unit equally, in the time will demonstrating the figure of definite shape and live width in the front of magnetic display unit, only need to apply in its front the directional magnetic field of certain intensity and shape by " magnetic pen ", the upset of the fixed orientation of the erasable pattern of similar above single face promptly can take place in the two-color magnetic fine particle in the magnetic display unit that this magnetic field acted under magneticaction like this, thereby is that we want the literal or the figure that write in the top view of magnetic display unit to the movement locus of " magnetic pen ".The same above same reason of the erasable pattern of described single face, shown image can keep, and also can wipe or rewrite equally.
In magnetism display method proposed by the invention, in the magnetic display unit, the a large amount of uniform two-color magnetic fine particle part of size shape frees degree are restrained, moving range with the restriction two-color magnetic fine particle, and keep rotational freedom on the one direction at least, the two-color magnetic fine particle size is determining display precision, that is: each two-color magnetic fine particle constitutes a pixel; The shape in the magnetic field of the size of pixel and the display surface that acts on has determined the live width of shown image.
Be appreciated that disclosed embodiment is exemplary explanation in the specification, protection domain of the present invention do not constituted qualification, each parts of the present invention can carry out various modification and improvement under the prerequisite that does not deviate from essence of the present invention.For example, the backstay that is adopted among the embodiment can adopt the mechanism that can play same function to replace, as has the fine rule of certain intensity.Equally, for the two-color magnetic fine particle among the embodiment, it also can have multiple shape, as cylindric, and prism-shaped, ellipticity, spherical or ring-type.Those skilled in the art also are appreciated that in fact to improving the stability of display pattern, can add transparency liquid to strengthen damping in the panel of magnetic display unit and the space between the backboard.Belong to protection scope of the present invention as described various modification of above-mentioned situation and improvement.
Claims (5)
1, a kind of magnetism display method based on two-color magnetic fine particle, it comprises the steps:
1) make a kind of two-color magnetic fine particle earlier, the South Pole of the one side exhibit magnetic properties of this particulate, the arctic of another side exhibit magnetic properties, and this two sides has different colours;
2) the above-mentioned two-color magnetic fine particle that will process in a large number is arranged in the space between display floater and the backboard equably, makes the magnetic display unit, and wherein display floater is transparent panel;
3) retrain the part free degree of these two-color magnetic fine particles by positioning element,, and keep rotational freedom on direction of two-color magnetic fine particle at least with the moving range of restriction two-color magnetic fine particle;
4) utilize magnetic force to write and erasing apparatus, apply the magnetic field of definite shape, intensity and direction on magnetic display unit surface, make two-color magnetic fine particle wherein under magneticaction, do the flip-flop movement of orientation, thereby demonstrate predetermined shape.
2, a kind of magnetic display unit based on two-color magnetic fine particle, it comprises:
Display floater and backboard, between form certain space;
Two-color magnetic fine particle is positioned at described space;
The South Pole that it is characterized in that the one side exhibit magnetic properties of described particulate, the arctic of another side exhibit magnetic properties, and the two sides has different colours, described device also comprises positioning element, it retrains the part free degree of described two-color magnetic fine particle, with the moving range of restriction two-color magnetic fine particle, and keep rotational freedom on direction of two-color magnetic fine particle at least.
3, magnetic display unit as claimed in claim 2 is characterized in that positioning element wherein comprises backstay.
4, a kind of two-color magnetic fine particle is characterized in that its simultaneously South Pole of exhibit magnetic properties, the arctic of another side exhibit magnetic properties, and the two sides has different colours; Retrain its part free degree by positioning element, limiting its range of movement, and keep the rotational freedom on the one direction at least.
5, a kind of manufacture method of two-color magnetic fine particle, it may further comprise the steps:
1) certain thickness isotropism magnetic material with certain density and Surface field intensity is die-cut into thin slice with reservation shape and size;
2) utilize the technology that magnetizes to magnetize according to certain magnetizing direction;
3) magnetic particle that will magnetize is tinted according to the polarity difference, is coated with respectively with different colors at its two poles of the earth, north and south.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610023510 CN101003228A (en) | 2006-01-20 | 2006-01-20 | Magnetism display method and device based on two-color magnetic fine particle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610023510 CN101003228A (en) | 2006-01-20 | 2006-01-20 | Magnetism display method and device based on two-color magnetic fine particle |
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| Publication Number | Publication Date |
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| CN101003228A true CN101003228A (en) | 2007-07-25 |
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| CN 200610023510 Pending CN101003228A (en) | 2006-01-20 | 2006-01-20 | Magnetism display method and device based on two-color magnetic fine particle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101665047A (en) * | 2008-09-03 | 2010-03-10 | 蒋明兴 | Passive environmentally-friendly digital teaching blackboard |
| CN110328988A (en) * | 2019-08-13 | 2019-10-15 | 威士达半导体科技(张家港)有限公司 | Magnetic writing board component and meeting writing device |
-
2006
- 2006-01-20 CN CN 200610023510 patent/CN101003228A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101665047A (en) * | 2008-09-03 | 2010-03-10 | 蒋明兴 | Passive environmentally-friendly digital teaching blackboard |
| CN110328988A (en) * | 2019-08-13 | 2019-10-15 | 威士达半导体科技(张家港)有限公司 | Magnetic writing board component and meeting writing device |
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