JP2008286990A - Electronic information board - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an electronic information board coping with diversification of display information, which requires no action for waiting until rewritten information is displayed. <P>SOLUTION: In the electronic information board which includes a panel for displaying information, the plurality of panels 4 for displaying information, in which a case 3 is provided at least in a part of circumference of a display section 2, are continuously and three-dimensionally arranged to compose an electronic information board structure 5. Information displayed on the plurality of panels for displaying information is sequentially viewed by rotating the electronic information board structure with its rotation shaft 6 as a center. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to an electronic information board using a plurality of information display panels.

  Conventionally, as an example of an electronic information board using an information display panel, an information display device using liquid crystal as a display medium (liquid crystal system: see, for example, Patent Document 1), or an information display device using charged particles as a display medium ( Electrophoresis and electropowder fluid systems are known. Among them, as an example using an electronic powder fluid type information display device, the present applicant discloses an electronic book display device (for example, see Patent Document 2) and an electronic shelf label (for example, see Patent Document 3). .

JP-A-9-265470 JP 2006-58578 A JP 2005-301030 A

  In any of the above-described conventional electronic information boards, when other information is displayed instead of the information displayed on the screen, the other information is displayed using the same display surface. That is, after deleting the displayed information, another information to be displayed next is displayed (information is rewritten).

  Therefore, in the above-described conventional electronic information board, the user waits for another information to be displayed until rewriting of the information displayed on the screen is completed. Therefore, there is a problem that the eyes of the user get tired. In addition, when applied to an electronic book, there is also a problem that it is not possible to rhythmically perform page-by-page reading one after another like a paper medium book, or to return to a previous page and read it again.

  The object of the present invention is to solve the above-mentioned problems and to eliminate the operation of waiting until the rewritten information is displayed. It is intended to provide an electronic information board that can perform rhythmical reading by returning and re-reading, and that can cope with diversification of display information.

  The electronic information board of the present invention is an electronic information board using a plurality of information display panels, and a plurality of information display panels configured by providing a casing at least at a part of the periphery of the display unit are continuously provided. Three-dimensionally arranged, constituted an electronic information board structure, and configured to be able to see information displayed on a plurality of information display panels in order by rotating around the rotation axis of the electronic information board structure It is characterized by this.

  As a preferred example of the electronic information board of the present invention, an information display panel having a display memory property (bistable) is used, and the display portion of the information display panel is composed of at least one kind of particles, and is optical. A display medium having at least one type of reflective reflectance and chargeability is sealed between two substrates, at least one of which is transparent, and an electric field is applied to the display medium from an electrode provided on the substrate. In some cases, it is configured by a display unit of a dot matrix type display system in which information display such as an image can be rewritten by being moved.

  As another preferred example of the electronic information board of the present invention, the electronic information board structure has a triangular prism shape, and an information display panel is provided on each of the three side surfaces. A rotating shaft is provided along the center line of the upper surface and the lower surface, and the rotating shaft is provided rotatably on the electronic information board frame.

  Furthermore, as still another preferred example of the electronic information board of the present invention, two information rewriting switches are provided in the casing of the information display panel, and two information rewriting operations are performed when the electronic information board structure is turned in a certain direction. It is determined that the rotation is in the page feed direction by the cooperative operation of the switch. When the electronic information board structure is turned in the reverse direction, it is determined that the rotation is in the page return direction by the cooperative operation of the two information rewriting switches. The information rewriting operation may be performed in accordance with the rotation of the electronic information board structure.

  Furthermore, as still another preferred example of the electronic information board according to the present invention, the cooperative operation of the two information rewriting switches is based on the first information by the arrangement position of the convex pressing portion provided on the electronic information board frame. Whether to make a determination based on whether the rewrite switch and the second information rewrite switch are pushed in or according to the order in which the first information rewrite switch and the second information rewrite switch are opened, There is.

  As still another preferred example of the electronic information board according to the present invention, the electronic information board structure includes a memory storage unit for fetching information to be displayed, a battery, a display medium driving device, and two information rewrite switches. An information rewrite mode determining means for determining a rewrite mode by operation is mounted, and the display medium driving device is operated according to the information rewrite signal based on the rotation direction determined by the information rewrite mode determining means to rewrite the information to be displayed. Sometimes.

  According to the present invention, a plurality of information display panels configured by providing a casing around at least a part of the periphery of the display unit are continuously arranged in a three-dimensional manner to form an electronic information board structure, and an electronic information board structure By rotating around the rotation axis of the body, the information displayed on the multiple information display panels can be viewed in order, eliminating the need to wait until the rewritten information is displayed. It is possible to obtain an electronic information board that can perform rhythmical reading similar to a paper-based book and can achieve diversification of display information.

<About the configuration of the electronic information board>
FIGS. 1A and 1B are diagrams for explaining an example of the electronic information board of the present invention. FIG. 1A is a front view thereof, and FIG. 1B is an image of a side view thereof. As shown respectively. In the example shown in FIGS. 1A and 1B, the electronic information board 1 has a housing 3 (3 in this example) around each of three display units 2 (2-1 to 2-3 in this example). -1 to 3-3) to form an information display panel 4 (4-1 to 4-3 in this example), and the information display panels 4-1 to 4-3 A triangular prism-shaped electronic information board structure 5 is formed by three-dimensionally arranging the position 2 and the position 3 continuously. Note that a frame body (not shown) is provided on the upper surface and the lower surface of the triangular prism-shaped electronic information board structure 5. A rotation shaft 6 is provided along the center line of a frame (not shown) constituting the upper surface and the lower surface of the triangular prism-shaped electronic information board structure 5, and the rotation shaft 6 is rotatably provided on the electronic information board frame portion 7. ing. In the figure showing the side view shown in FIG. 1B as an image diagram, a part of the electronic information board frame portion 7 and the upper and lower surfaces of the electronic information board structure are configured so that the internal state can be clearly understood. The frame body is omitted.

  In the example shown in FIGS. 1A and 1B, the first information rewriting switch 8 and the second information rewriting switch 9 as two information rewriting switches are further connected to each information display panel 4-1. -4-3, provided at a position on the electronic information board frame portion 7 (not shown) corresponding to the first information rewriting switch 8 and the second information rewriting switch 9 of the information display panel. By detecting the order in which the two switches are pressed or released by the pressing member, it is determined whether the rotation direction of the electronic information board structure 5 is the page feed direction or the page return direction. Furthermore, in the electronic information board structure 5, information for determining the rewrite mode by the cooperative operation of the memory storage unit 12 for taking in information to be displayed, the battery 13, the display medium driving device 14, and the two information rewrite switches. A rewrite motor determination means 15 is mounted, and the rewrite mode is determined in cooperation with the first information rewrite switch 8 and the second information rewrite switch 9, and the display medium driving device is operated according to the information rewrite signal based on the determination. Let me rewrite the information to be displayed. In the example shown in FIGS. 1A and 1B, an example of the front and rear page turning method in which the rotation shaft 6 is horizontal is shown as the electronic information board 1, but left and right page turning with the rotation shaft 6 vertical. It can also be an example of a scheme.

<Rewriting operation of electronic information board>
2 (a) to 2 (c) to 4 (a) to 4 (c) are diagrams for explaining an example of the information rewriting operation in the electronic information board of the present invention. In each figure, FIGS. 2 (a), 3 (a), and 4 (a) show the display state of the information display panel 4 at position 1 (front), respectively, and FIG. 2 (b) and FIG. 3 (b). 4 (b) shows the display state of the information display panel 4 in the process of moving from position 3 to position 2, respectively, and FIG. 2 (c), FIG. 3 (c), and FIG. 3 shows a display state of the information display panel 4 in FIG.

  As shown in FIGS. 2A to 2C, the information display panel 4-1 at position 1 (front) shown in FIG. The information on the first page is displayed on the display section 2-1, and the display section 2 of the information display panel 4-2 at the position 2 hidden behind the electronic information board frame 7 shown in FIG. -2 starts rewriting at the same time as the rotation from position 3 to position 2 starts, and the information on the second page after the rewriting is displayed is hidden in the electronic information board frame 7 shown in FIG. The display section 2-3 of the information display panel 4-3 at position 3 stands by for rewriting on the next third page while leaving the display (cover) of position 1 (front) in the initial state. Yes.

  Next, as shown in FIGS. 3A to 3C, in the display state in which the pages are further rotated by turning counterclockwise from the display state shown in FIGS. 2A to 2C, FIG. On the display section 2-2 of the information display panel 4-2 that has moved to the position 1 (front) shown, the information on the second page that has already been prepared is displayed as it is, as shown in FIG. The display section 2-3 of the information display panel 4-3 that has moved from the position 3 hidden to the electronic information board frame 7 to the position 2 starts rewriting at the same time as the rotation to the position 2 starts. The information on the finished third page is displayed, and the display section 2-1 of the information display panel 4-1 that has moved to the position 3 hidden in the electronic information board frame 7 shown in FIG. 2A with the display shown in FIG. 2 (a) remaining, waiting for rewriting on the next fourth page. .

  Further, as shown in FIGS. 4A to 4C, the display state shown in FIG. 4A is shown in the display state in which the pages are further rotated by rotating counterclockwise from the display state shown in FIGS. 3A to 3C. On the display section 2-3 of the information display panel 4-3 that has moved to the position 1 (front), the information on the third page that has already been prepared is displayed as it is, and the electronic information shown in FIG. In the display section 2-1 of the information display panel 4-1 that has moved from the position 3 hidden to the information board frame 7 to the position 2, the rewriting starts at the same time as the rotation to the position 2 starts and the rewriting ends. The display section 2-2 of the information display panel 4-2 that has moved to the position 3 hidden in the electronic information board frame 7 shown in FIG. Wait for the next page to be rewritten with the display shown in FIG. That.

  The rewriting operation at the time of page feed has been described with reference to FIGS. 2 (a) to 2 (c) to 4 (a) to 4 (c). Can be done.

<About judgment by information rewrite switch>
As shown in FIG. 5, the first information rewriting switch 8 and the second information rewriting switch 9 as information rewriting switches have a rotating shaft 6 that supports the electronic information board structure 5 on the electronic information board frame 7. The information display panels 4-1 to 4-2 are provided on the left and right or top and bottom (up and down in the example of FIG. 5). As shown in FIG. 5, these switches are pushed into the positions of the electronic information board frame 7 corresponding to both the second information rewrite switch 9 at position 2 and the first information rewrite switch 8 at position 3. For this purpose, a convex pressing portion 10 is provided. In this case, the information rewriting switches 8 and 9 are turned on when they are opened rather than pushed.

  For example, when page turning is performed by rotation in the direction indicated by the arrow in FIG. 5, first, the second information rewriting switch 9 of the information display panel 4-2 at position 2 is changed from being pushed to being opened (ON). Next, since the first information rewriting switch 8 of the information display panel 4-3 at the position 3 is pressed to the open state (ON), it is determined that the page feed operation is performed, and the information at the position 3 is displayed. Rewriting to the next page of the page displayed on the information display panel 4-2 at position 2 is started on the display section 3-3 of the display panel 4-3. On the other hand, when the electronic information board structure 5 is rotated in the direction opposite to the arrow in FIG. 5, first, the first information rewriting switch 8 of the information display panel 4-3 at position 3 is released from the pushed state. Next, since the second information rewriting switch 9 of the information display panel 4-2 at the position 2 is in the open state (ON) from the pressed state, it is determined that the page return operation is performed. Rewriting to the previous page of the page displayed on the information display panel 4-3 at position 3 is started on the display section 3-2 of the information display panel 4-2 at position 2.

<Application of electronic information board>
FIGS. 6A and 6B and FIGS. 7A to 7C are diagrams for explaining an example of the use of the electronic information board of the present invention.

  In the example shown in FIGS. 6A and 6B, a front / rear rotating page turning type electronic information board is used as a monthly calendar. In this example, the calendar of the next month is displayed when it is rotated from the state of FIG. 6A to the state of FIG. 6B and moved to the next information display panel. In addition, when it is rotated in the opposite direction and moved to the next information display panel, the calendar of the previous month is displayed. Further, the three information display panels in which the red display medium / white display medium is arranged in the broken line area and the black display medium / white display medium are arranged in the other areas are configured to display the dot matrix in the area color. In the case of a calendar, since characters and numbers to be displayed are not complicated, it can also be configured as a segment display type information display panel in which images are arranged in accordance with the shapes of characters and numbers to be displayed. In the example shown in FIGS. 7A to 7C, a left and right rotating page turning type electronic information board is used as an electronic book. In this example, when the page is turned by turning right from the state of FIG. 7A to the state of FIG. 7B, the information display panel surface displaying the next page is displayed as shown in FIG. 7B. When the page is turned by turning counterclockwise from this state, as shown in FIG. 7C, the information display panel surface displaying the previous page is configured to be in front.

<Description of information display panel used in electronic information board>
In the above-described example, a preferable configuration as the display unit 2 of the information display panel 4 is as follows. First, as a display medium, a method in which charged particles that can be driven by an electric field are driven in a gas space, a method in which charged particles that can be driven by an electric field are driven in an insulating liquid (electrophoresis), The present invention can be applied to a method of driving (rotating) charged particles composed of different parts that can be driven by an electric field in a microcapsule together with an insulating liquid, a cholesteric liquid crystal method, an electrochromic method, and a conventional liquid crystal method. Among them, as bistable, ie, dot-matrix display systems with display memory characteristics, charged particle drive system (electron powder fluid system, electrophoresis system), cholestic liquid crystal system, electrochromic system Is particularly preferably used. The substrate is provided with a pair of electrodes made of a conductive material, and a display medium is driven by an electric field formed between the counter electrodes to rewrite information display such as an image. The counter electrode can be formed by crossing line electrodes orthogonally to each other or by facing individual electrodes. The electrode provided on the transparent substrate on the display surface side is formed using a transparent conductive material.

  Further, in the case of a counter electrode constituted by line electrodes, a passive drive method is used, and in the case of a counter electrode constituted by individual electrodes, an active drive method is used. In either case, a dot matrix type information display panel can be obtained. As substrates, inorganic sheets such as glass and quartz, polyethylene terephthalate (PET), polyethylene naphthalate (PEN), polyethylene (PE), polycarbonate (PC), polyimide (PI), polyethersulfone (PES), acrylic Organic polymer sheets such as these are used, and a transparent one is used for the display surface side substrate. The back side substrate may not be transparent.

  Next, as a specific example of the display unit 2 having the display memory property (bistable) of the information display panel 4, an example of a method of driving charged particles (display medium) in a gas space is shown in FIGS. It demonstrates with reference to each of b)-FIG. 10 (a), (b).

  In the example shown in FIGS. 8A, 8B to 10A, 10B, the display medium 33 made of particles having at least one kind of particles and having optical reflectance and chargeability is used. A space between the transparent substrate 32 and the substrate 31 which does not need to be transparent is enclosed, and an electric field is applied between the counter electrode formed from the transparent electrode 36 provided on each substrate and the electrode 35 which does not need to be transparent. Thus, a part of the display unit 2 of the information display panel 4 of the dot matrix type display system in which the display of the information such as an image can be rewritten by moving the display medium 33 is shown. The space between the substrates 31 and 32 enclosing the display medium 33 is partitioned by a plurality of cells (small rooms) 37 by partition walls 34. Thereby, it is possible to prevent the enclosed display medium 33 from being biased. Note that in the case where the display medium 33 is sealed in a microcapsule, the microcapsule has a function of a cell (small room), and thus a cell (small room) may not be provided.

  In the example shown in FIGS. 8A and 8B, three cells 37 are set as a display unit (1 dot), and each cell 37 displays a combination of two colors of the white display medium 33W and the red display medium 33R. A medium, a display medium of a combination of two colors of a white display medium 33W and a green display medium 33G, and a display medium of a combination of two colors of a white display medium 33W and a blue display medium 33BL are enclosed and displayed in color dots. . In the examples shown in FIGS. 8A and 8B, red dots are displayed to the observer. The difference between FIG. 8A and FIG. 8B is that, in the example shown in FIG. 8A, the electrodes 35 and 36 are configured as line electrodes, whereas the example shown in FIG. 8B. Then, the electrodes 35 and 36 are configured as individual electrodes. The combination of the two colors of the display medium is not limited to the above-described example. For example, the display medium may be enclosed in a combination of two colors of black red, two colors of black green, and two colors of black blue in each cell. Color dots can be displayed.

  In the example shown in FIGS. 9A and 9B, three cells 37 are set as a display unit (one dot), and three primary color filters 41R, 41G, and 41BL are arranged in each cell 37, and a white display medium 33W is provided. Color dots are displayed by the two-color display medium of the black display medium 33B. In FIGS. 9A and 9B, blue dots are displayed to the observer. The difference between FIG. 9A and FIG. 9B is that, in the example shown in FIG. 9A, the electrodes 35 and 36 are configured as line electrodes, whereas the example shown in FIG. 9B. Then, the electrodes 35 and 36 are configured as individual electrodes. As another configuration, four cells 37 are used as a display unit (one dot), and a primary color filter and a colorless color filter are arranged in each cell 37, and color dots can be displayed on a monochrome two-color display medium. .

  In the example shown in FIGS. 10A and 10B, three cells 37 are set as a display unit (1 dot), and each cell 37 has a combination of two colors, a white display medium 33W and a magenta display medium 33M. Color dots are displayed by enclosing a display medium, a display medium of a combination of two colors of a white display medium 33W and a cyan display medium 33C, and a display medium of a combination of two colors of a white display medium 33W and a yellow display medium 33Y. is doing. 10A and 10B, magenta dot display is performed for the observer. The difference between FIG. 10A and FIG. 10B is that, in the example shown in FIG. 10A, the electrodes 35 and 36 are configured as line electrodes, whereas the example shown in FIG. 10B. Then, the electrodes 35 and 36 are configured as individual electrodes.

  Although an example in which the inter-substrate space constituting the display unit 2 of the information display panel 4 is a gas space has been shown, a bistable type display unit 2 can be obtained even when the insulating liquid space is used. Further, a display medium may be sealed in a cell space formed by microcapsules instead of a cell space formed by partition walls.

  The electronic information board of the present invention includes an electronic book, an electronic manual (instruction manual), an electronic newspaper, an electronic POP (Point of Presence, Point of Purchase advertising), an electronic advertisement, an information board, an electronic price tag, an electronic shelf label, and an electronic score. For example, it can be suitably used. If the screen size of the display part of the information display panel is a large screen of about B5 to B4 and A5 to A3, it is possible to see the character information for one page displayed in large characters at a time, and the next screen one after another Therefore, it is particularly suitable as an electronic book that can be read rhythmically.

(A), (b) is a figure for demonstrating an example of the electronic information board of this invention, respectively. (A)-(c) is a figure for demonstrating an example of the information rewriting operation | movement in the electronic information board of this invention, respectively. (A)-(c) is a figure for demonstrating the other example of the information rewriting operation | movement in the electronic information board of this invention, respectively. (A)-(c) is a figure for demonstrating the further another example of the information rewriting operation | movement in the electronic information board of this invention, respectively. It is a figure for demonstrating the determination method by the information rewriting switch in the electronic information board of this invention. (A), (b) is a figure for demonstrating an example of the use of the electronic information board of this invention, respectively. (A)-(c) is a figure for demonstrating the other example of the use of the electronic information board of this invention, respectively. (A), (b) is a figure for demonstrating one specific example of the display surface of the information display panel used for this invention, respectively. (A), (b) is a figure for demonstrating the other specific example of the display surface of the information display panel used for this invention, respectively. (A), (b) is a figure for demonstrating the other specific example of the display surface of the information display panel used for this invention, respectively.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Electronic information board 2, 2-1 to 2-3 Display part 3, 3-1 to 3-3 Case 4, 4-1 to 4-3 Information display panel 5 Electronic information board structure 6 Rotating shaft 7 Electronics Information board frame portion 8 First information rewriting switch 9 Second information rewriting switch 10 Convex push portion 12 Memory storage portion 13 Battery 14 Display medium driving device 15 Information rewriting mode determining means 31, 32 Substrate 33 Display medium 33W White display Medium 33B Black display medium 33R Red display medium 33G Green display medium 33BL Blue display medium 33M Magenta display medium 33C Cyan display medium 33Y Yellow color display medium 34 Bulkhead 35, 36 Electrode 37 Cell 41R Red color filter 41G Green color filter 41BL Blue Color filter

Claims (7)

  An electronic information board using an information display panel, in which a plurality of information display panels configured by providing a casing at least part of the periphery of the display unit are continuously arranged in a three-dimensional manner to form an electronic information board structure An electronic information board characterized in that the information displayed on a plurality of information display panels can be viewed in order by rotating around the rotation axis of the electronic information board structure. .   2. The electronic information board according to claim 1, wherein the information display panel has a display memory property (bistable).   The display portion of the information display panel is made of at least one kind of particles, and at least one kind of display medium having optical reflectivity and chargeability is sealed between two substrates at least one of which is transparent, 2. The display unit of a dot matrix type display system that can rewrite information display such as an image by moving the display medium by applying an electric field to the display medium from an electrode provided on the substrate. Or the electronic information board of 2.   The electronic information board structure has a triangular prism shape, and information display panels are provided on each of the three side surfaces, rotation axes are provided along the center lines of the upper and lower surfaces of the triangular prism electronic information board structure, and rotation is further performed. The electronic information board according to any one of claims 1 to 3, wherein a shaft is rotatably provided on the electronic information board frame.   When two information rewriting switches are provided in the casing of the information display panel and the electronic information board structure is rotated in a certain direction, it is determined that the rotation is in the page feed direction by the cooperative operation of the two information rewriting switches. When the electronic information board structure is rotated in the reverse direction, it is determined that the rotation is in the page return direction by the cooperative operation of the two information rewriting switches, and the information rewriting operation is performed according to the rotation of the electronic information board structure. The electronic information board according to any one of claims 1 to 4, wherein   The cooperative operation of the two information rewriting switches is determined by the order in which the first information rewriting switch and the second information rewriting switch are pushed in according to the arrangement position of the convex pressing portion provided on the electronic information board frame. 6. The electronic information board according to claim 5, wherein the determination is made based on whether the first information rewriting switch and the second information rewriting switch are opened or not.   The electronic information board structure is equipped with an information rewrite mode determination means for determining a rewrite mode by a cooperative operation of a memory storage unit, a battery, a display medium driving device, and two information rewrite switches for capturing information to be displayed, The information to be displayed is rewritten by operating the display medium driving device in accordance with the information rewriting signal based on the rotation direction determined by the information rewriting mode determining means. Electronic information board.

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