JP2005205619A - Magnetic reversing display panel device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a magnetic reversing display panel device which enables only a desired part to be erased from the front side of a magnetic panel, and which prevents a cleaner magnet from being a hindrance in nonuse, while the cleaner magnet is integrally provided. <P>SOLUTION: Characteristically, a magnet fixing member is moved along a sliding groove, and turned to a position to go over the magnetic panel, so that the cleaner magnet and the magnet fixing member can be housed in the lateral direction of the magnet panel. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a magnetic panel device. More specifically, the present invention relates to a magnet in which a dispersion liquid having a yield value in which micro magnets having different colors on the S pole side surface and the N pole side surface are dispersed in a dispersion medium is contained in a liquid storage chamber. The present invention relates to a magnetic reversal display panel device using a panel.

  2. Description of the Related Art Conventionally, a magnetic display system using a magnetic panel capable of performing display by magnetism is known. As the magnetic display system, display is performed by migrating magnetic particles as disclosed in Japanese Examined Patent Publication No. 62-53359. There have been proposed a magnetophoretic display panel for performing display and a magnetic reversal display panel for performing display by reversing a minute magnet as described in Japanese Patent Publication No. 59-32796.

  The magnetophoretic display panel, so-called electrophoretic type, slides the entire back surface of the magnetophoretic display panel with an erasing magnet before writing and draws the magnetic particles in the magnetic panel to the back surface side to make the surface a uniform surface. In the display method, a magnetic display is obtained by operating a writing magnet to partially attract magnetic particles to the surface side. Such a magnetophoretic display panel generally pulls magnetic particles to the back side by sliding an erasing magnet that crosses the width direction of the magnetic panel disposed on the back side of the magnetic panel, It is a structure which erases the written magnetic display. Therefore, since the erasing magnet is operated behind the magnetic panel, it is difficult to erase only a desired portion of the magnetic display.

  On the other hand, the magnetic reversal display panel, the so-called reversal type, is an erasing magnet in which one magnetic pole of N pole or S pole is provided on the surface from the surface side of the magnetic reversal display panel before writing. Direct the same pole to the panel surface side, make the surface a uniform surface color, and then partially invert the micro magnet using a writing magnet that has a magnetic pole at the tip opposite to the erasing magnet from the same surface side. In this display method, a magnetic display is obtained by displaying another color in a uniform surface color. Note that this inversion type is superior to the electrophoretic type in which the erased portion can be erased accurately because the eraser is operated by erasing the magnet from the surface side when erasing the magnetic display. There is a point.

  By the way, this magnetic reversal display panel is used for the purpose of erasing the entire surface of the panel after the writing or the like, or the micro magnets that have become non-uniformly dispersed in the liquid storage chamber due to repeated erasing. For the purpose of cleaning in a state, it is convenient to have a cleaner magnet having a length that crosses the width direction of the magnetic panel. For example, as shown in paragraph 28 of Japanese Patent Laid-Open No. 2002-82363, this cleaner magnet is viewed from the side (magnet moving direction) when the magnet (display changing member in Japanese Patent Laid-Open No. 2002-82363) is viewed in cross section. The shape is large in the vertical direction (the direction away from the panel). The reason why the longitudinal direction is larger than the transverse direction of the magnet is to allow the magnetic field emitted from the magnet to act on the magnetic panel efficiently as described in WO01 / 098548. In order to improve the operability, the cleaner magnet is preferably provided integrally with the magnetic panel as disclosed in JP-A-2002-82363. However, since the cleaner magnet is used on the surface side of the magnetic panel, even when it is not used, it always protrudes from the surface of the magnetic panel, so it looks bad, when writing or moving the magnetic panel There was a problem of getting in the way.

Japanese Examined Patent Publication No. 62-53359 Japanese Patent Publication No.59-32796 JP 2002-82363 A WO01 / 098548

  Therefore, the present invention is a magnetic reversal display panel that can erase only a desired portion from the surface side of the magnetic panel and is provided with a cleaner magnet integrally, but the cleaner magnet does not get in the way when not in use. An object of the present invention is to provide a reverse display panel device.

The above-described problems of the present invention are solved by the following inventions.
That is, the present invention
“1. A frame for holding the magnetic panel is arranged on a magnetic panel in which a dispersion liquid in which micro magnets of different colors on the S pole side surface and the N pole side surface are dispersed in a dispersion medium is stored in the liquid storage chamber. A sliding groove extending along at least one side of the magnetic panel is provided in the frame body, a sliding piece is disposed in the sliding groove, and the sliding piece is rotated with respect to the sliding piece. A magnet fixing member having a bent portion that is movably attached and a magnet fixing portion in which a direction orthogonal to the one side of the magnetic panel extends significantly from the width of the magnetic panel is disposed, and the magnet fixing portion The magnetic pole is provided with different magnetic poles along a direction perpendicular to the sliding groove of the frame body, and a cleaner magnet is installed to cross the width of the magnetic panel in the direction, and the magnet fixing member is slid. Move along the groove and rotate the magnet fixing member over the magnetic panel. The Rukoto, magnetic reversal display panel and wherein the structure for accommodating the cleaner magnets and magnet fixing portion on the side of said magnetic panel.
2. The bent portion is provided at both ends of the magnet fixing member, the sliding groove is provided along two sides of the magnetic panel, and the sliding piece is provided in each of the two sliding grooves. The magnetic reversal display panel device according to claim 1. It is.

  According to the first aspect of the present invention, when the cleaner magnet is provided on the magnetic panel in consideration of operability, when not in use, the magnet fixing member is moved along the sliding groove, and the magnet fixing member is moved to the surface of the magnetic panel. By rotating to a position beyond the face plate, the cleaner magnet and the magnet fixing member can be accommodated on the side of the magnetic panel, so that the cleaner magnet does not get in the way when not in use.

  According to the second aspect of the present invention, even if the magnetic display panel is large and wide, since both ends of the magnet fixing member are supported by the sliding grooves, it is difficult for the magnet fixing member to fluctuate during operation. . Moreover, since both ends are supported also when a magnet fixing member is rotated and accommodated to the other side of a magnetic panel after use, a magnet fixing member can be rotated smoothly.

Next, specific examples (examples) of the embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a view of the magnetic reversal display panel device according to this embodiment in a state where a cleaner magnet is not used, FIG. 1A is a front view, FIG. 1B is a right side view of FIG. 1A, and FIG. FIG. FIG. 2 is a diagram showing a state in which the cleaner magnet of the magnetic reversal display panel device of this embodiment is used, FIG. 2A is a front view, and FIG. 2B is a right side view of FIG. 2A. FIG. 3 is a conceptual diagram showing the structure of the magnetic panel of this embodiment.
In the magnetic reversal display panel device 1, a frame body 3 is provided on a magnetic panel 2, a sliding piece 5 is provided in a sliding groove 4 provided in the frame body 3, and the magnetic piece is rotated with respect to the sliding piece 5. A magnet fixing member 6 having a bent portion 6a that is freely attached and a magnet fixing portion 6b in which a direction (lateral direction) orthogonal to the longitudinal side of the magnetic panel 2 extends significantly from the width of the magnetic panel is provided. The cleaner magnet 7 is fixed to the magnet fixing member 6.

As shown in FIG. 3, the magnetic panel 2 includes a transparent surface plate serving as a writing surface 206a on the display surface side of the liquid storage chamber 205 formed by fixing the partition walls 204 constituting the plurality of honeycomb cells 203 to the back surface plate 202. 206 is fixed to the partition wall 204 and integrated. The liquid storage chamber 205 stores a dispersion liquid 209 having a yield value in which micro magnets 208 having an S pole and an N pole are dispersed in a liquid 207 composed of a dispersion medium and a thickener. The micro magnet 208 is colored in white on the south pole side surface portion and in blue on the north pole side surface portion.
As shown in FIG. 3, the magnetic panel 2 is a magnetic pen 100 in which a writing magnet 101 having an N pole at the tip is arranged, and a magnetic field is applied to a minute magnet 208 with a blue N pole facing the surface side to be reversed. A white (S pole side surface portion) writing line is drawn on a blue (N pole side surface portion) background. This writing line is a portion of the writing line 210 displayed as “ABC” in FIGS. 1A and 2A.

By partially reversing the blue color (surface part on the N pole side) of the minute magnet 208 with the S pole of the erasing magnet 102 disposed at the rear end of the magnetic pen 100, a partial writing line 210 is obtained. Erasing can be performed. The portion 210a lacking “C” in the writing line 210 in FIG. 2A is a portion that has been partially erased.
On the other hand, what can erase the writing line 210 entirely is the cleaner magnet 7 in use in FIG. 2A. In the cleaner magnet 7, different magnetic poles (S, N) are arranged along a direction (lateral direction) orthogonal to the sliding groove 4 provided in the frame 3. In FIG. 2A, the south pole is located below and the north pole is located above. The action of the magnetic force on the magnetic panel 2 when the cleaner magnet 7 is used will be described with reference to FIG. 3. When the cleaner magnet 7 is moved to the right side (arrow P direction), the S pole side of the minute magnet 208 is used. The surface portion turns to the surface side (portion of p section), and the magnetic panel 2 becomes white. Further, when the cleaner magnet 7 is moved to the left (in the direction of arrow Q), the surface portion of the N pole side of the micro magnet 208 faces the surface side (portion q section), and the magnetic panel 2 turns blue. .

  Next, the structure of the magnetic reversal display panel device 1 according to the present embodiment will be described with reference to FIGS. 4 is a cross-sectional view taken along line AA of FIG. 2A, and FIG. 5 is an exploded view of FIG. As shown in the figure, the magnetic reversal display panel device 1 is provided with an iron plate 2a on the back side of the magnetic panel 2, and covers the lower frame member 31 serving as the base of the device with a panel presser 32 to press the magnetic panel 2. The frame 3 is configured by fixing with screws 33 and fixing the upper frame member 30 with the screws 34 to the lower frame member 31. Further, the sliding groove 4 is configured by combining the concave portion 30 a and the concave portion 31 a provided in each frame member, and the sliding piece 5 is disposed in the sliding groove 4.

  6 is a diagram for explaining the configuration of the magnet fixing member, the cleaner magnet, and the sliding piece in the state of FIG. 2, FIG. 6A is a front view, and FIG. 6B is a right side view of FIG. 6A. 7 is a cross-sectional view taken along line BB in FIG. 6B. 8 is a cross-sectional view taken along the line CC of FIG. 6A. As shown in the figure, the sliding piece 5 is formed by axially attaching two wheels 51 to an oval piece main body 50 so as to be rotatable by an axle 52. The axle 52 is loosely fitted in a through hole 51 a provided in the wheel 51 and is closely fitted and fixed in a fixing hole 50 a provided in the piece body 50, and the wheel 51 is pulled out by a large diameter portion 52 a provided in the axle 52. There is a stop. The sliding piece 5 of the present embodiment improves the slidability by rolling the wheel 51 on the recess 31 a of the lower frame member 31. Further, a protrusion 50 b that contacts the bent portion 6 a of the magnet fixing member 6 is formed on the inner side of the piece main body 50. The bent portion 6 a is pivotally attached to the sliding piece 5 by a fixed shaft 60. The fixed shaft 60 is loosely fitted in a through hole 6 c provided in the bent portion 6 a of the magnet fixing member 6 and is fixed by being closely fitted in a fixed hole 50 c provided in the side surface of the sliding piece 5. The bent portion 6a of the magnet fixing member 6 is used as a retaining member by the provided large diameter portion 60a. Note that, as described above, the bent portion 6a is configured to stand upright with respect to the magnetic panel 2 while being in contact with the protruding portion 50b of the sliding piece 5.

  The relationship between the magnet fixing member 6 and the cleaner magnet 7 will be described with reference to FIG. The magnet fixing part 6 b of the magnet fixing member 6 has a U-shaped cross section covering the upper half of the cleaner magnet 6, and the length is a length that crosses the panel width in the direction perpendicular to the sliding groove 4. A cloth 7a that protects the lower surface and side surfaces of the cleaner magnet 7 is bonded. The upper surface of the cleaner magnet 7 and the upper inner surface of the magnet fixing member 6b are bonded to each other.

9 is a diagram for explaining the configuration of the magnet fixing member, the cleaner magnet, and the sliding piece in the state of FIG. 1, FIG. 9A is a front view, and FIG. 9B is a right side view of FIG. 9A. FIG. 10 is a cross-sectional view taken along line DD of FIG. 9B. FIG. 11 is a conceptual diagram of the rotation operation of the cleaner magnet. As shown in FIG. 1A, the magnet fixing member 6 and the cleaner magnet 7 in this state are accommodated in the accommodating recess 3a on the side of the magnetic panel 2 formed in the frame 3, and do not protrude and do not interfere (FIG. 1B). , See FIG. 1C). When the cleaner magnet 7 is used again, the magnet fixing member 6 is rotated using the notch 3b provided in the central portion of the housing recess 3a, and the cleaner magnet 7 is raised upright with respect to the panel surface. What is necessary is just to slide to the direction of the magnetic panel 2. FIG.
Further, in the magnetic reversal display panel device 1 according to the present embodiment, an accommodation hole 3c having an upper opening for accommodating the magnetic pen 100 is provided on the left side of the frame 3, and the magnetic pen 100 is inserted into the accommodation hole 3c. Can be worn.

As mentioned above, although the Example of this invention was explained in full detail, this invention is not limited to the said Example, A various change is performed within the range of the summary of this invention described in the claim. It is possible. For example, as a panel structure of a magnetic panel, it is also possible to employ a microcapsule as a liquid storage chamber that contains a dispersion liquid.

FIG. 1 is a view of the magnetic reversal display panel according to the present embodiment in a state where the cleaner magnet is not used, FIG. 1A is a front view of the magnetic reversal display panel device, FIG. 1B is a right side view of FIG. FIG. 1B is a left side view of FIG. 1A. 2A and 2B are diagrams showing a state in which the cleaner magnet of the magnetic reversal display panel of the embodiment is used, FIG. 2A is a front view, and FIG. 2B is a right side view of FIG. 2A. It is a conceptual diagram which shows the structure of a magnetic inversion display panel. It is AA sectional view taken on the line of FIG. 2A. It is a figure of the state which decomposed | disassembled FIG. 6 is a diagram for explaining the configuration of the magnet fixing member, the cleaner magnet, and the sliding piece in the state of FIG. 2, FIG. 6A is a front view, and FIG. 6B is a right side view of FIG. 6A. 7 is a cross-sectional view taken along line BB in FIG. 6B. 8 is a cross-sectional view taken along the line CC of FIG. 6A. It is the BB sectional view taken on the line of FIG. 6B. It is CC sectional view taken on the line of FIG. 6A. 9 is a diagram for explaining the configuration of the magnet fixing member, the cleaner magnet, and the sliding piece in the state of FIG. 1, FIG. 9A is a front view, and FIG. 9B is a right side view of FIG. 9A. FIG. 9D is a cross-sectional view of the main part of the line DD in FIG. 9B. It is a conceptual diagram of rotation operation | movement of a cleaner magnet.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Magnetic reversal display panel apparatus, 2 ... Magnetic panel,
202 ... back plate, 203 ... honeycomb cell, 204 ... partition, 205 ... liquid storage chamber,
206 ... surface plate, 206a ... writing surface, 207 ... liquid, 208 ... minute magnet,
209 ... dispersed liquid,
3 ... frame, 3a ... receiving recess, 3b ... notch, 3c ... receiving hole,
30 ... Upper frame member, 30a ... Recess, 31 ... Lower frame member, 31a ... Recess,
32 ... Panel presser,
4 ... sliding groove,
5 ... sliding piece, 50 ... piece main body, 50a ... fixing hole, 50b ... projection, 50c ... fixing hole,
51 ... wheel, 51a ... through hole, 52 ... axle, 52a ... large diameter part,
6 ... magnet fixing member, 6a ... bent portion, 6b ... magnet fixing portion, 6c ... through hole,
60 ... fixed shaft, 60a ... large diameter part,
7 ... cleaner magnet, 7a ... cloth,
100: Magnetic pen.

Claims (2)

  A frame body for holding the magnetic panel is disposed on a magnetic panel in which a dispersion liquid in which micro magnets of different colors on the S pole side surface and the N pole side surface are dispersed in a dispersion medium is stored in a liquid storage chamber, The frame is provided with a sliding groove extending along at least one side of the magnetic panel, a sliding piece is disposed in the sliding groove, and the sliding piece is rotatable with respect to the sliding piece. A bent portion to be axially attached and a magnet fixing member having a magnet fixing portion in which a direction orthogonal to the one side of the magnetic panel extends significantly from the width of the magnetic panel is disposed, and the frame is disposed on the magnet fixing portion. Different magnetic poles are arranged along a direction orthogonal to the body sliding groove, and a cleaner magnet is installed to cross the width of the magnetic panel in the direction, and the magnet fixing member is arranged along the sliding groove. To move the magnet fixing member to a position beyond the magnetic panel. , The magnetic reversal display panel and wherein the structure for accommodating the cleaner magnets and magnet fixing portion on the side of said magnetic panel.   The bent portion is provided at both ends of the magnet fixing member, the sliding groove is provided along two sides of the magnetic panel, and the sliding piece is provided in each of the two sliding grooves. The magnetic reversal display panel device according to claim 1.

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