WO2006018982A1 - 情報表示装置 - Google Patents
情報表示装置 Download PDFInfo
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- WO2006018982A1 WO2006018982A1 PCT/JP2005/014322 JP2005014322W WO2006018982A1 WO 2006018982 A1 WO2006018982 A1 WO 2006018982A1 JP 2005014322 W JP2005014322 W JP 2005014322W WO 2006018982 A1 WO2006018982 A1 WO 2006018982A1
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- WIPO (PCT)
- Prior art keywords
- substrate
- information display
- shape
- conductive paste
- shaped
- Prior art date
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1339—Gaskets; Spacers; Sealing of cells
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/165—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on translational movement of particles in a fluid under the influence of an applied field
- G02F1/1675—Constructional details
- G02F1/16756—Insulating layers
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133377—Cells with plural compartments or having plurality of liquid crystal microcells partitioned by walls, e.g. one microcell per pixel
Definitions
- the present invention relates to information such as images by enclosing one or more types of display media between two opposing substrates at least one of which is transparent, and moving the display media by an electric field generated in the substrate.
- the present invention relates to an information display device having an information display panel for displaying the information.
- the electrophoretic method has a problem that the response speed becomes slow due to the viscous resistance of the liquid because the particles migrate in the liquid.
- high specific gravity particles such as titanium oxide are dispersed in a low specific gravity solution, which makes it easy to settle, and rewrites and displays information such as images that make it difficult to maintain the stability of the dispersed state.
- Even with microencapsulation the cell size is reduced to the microcapsule level, which apparently makes the above-mentioned drawbacks difficult to appear, and the essential problems have been solved.
- one or more types of display media are sealed between two opposing substrates, at least one of which is transparent, and an electric field generated in the substrate is used.
- An information display device including an information display panel that displays information such as an image by moving a display medium is known.
- a conductive paste is applied to the peripheral portion of the substrate to conduct between the upper and lower substrates, and a power supply connector is connected to the electrode provided in the conducting portion, thereby driving the external force driving voltage of the device. Is applied.
- the information display panel of the conventional information display device has a configuration in which a conductive paste is applied to the peripheral portion of the substrate to conduct between the upper and lower substrates. Since nothing is taken, the following problems may occur. In other words, if the alignment displacement between the upper and lower substrates or a decrease in the viscosity of the conductive paste occurs when the conductive paste is applied, the conductive paste may also leak the normal application position force. Intention to do so would cause a short circuit between the electrodes. Disclosure of the invention
- An object of the present invention is to provide an information display device in which a dummy partition is provided on a substrate to prevent a short circuit between electrodes caused by outflow of a normal application position force of a conductive paste. .
- an information display device of the present invention includes an electric field generated in a substrate by enclosing one or more types of display media between two opposing substrates at least one of which is transparent.
- an information display device having an information display panel for displaying information such as images by moving the display medium by the flow of the conductive paste applied to the peripheral portion of the substrate in order to conduct between the upper and lower substrates
- a dummy partition wall having a cross-sectional shape capable of preventing the conductive paste from flowing out even when applied with a normal application position is provided at a predetermined position on the substrate.
- the dummy partition wall has a cross-sectional shape on a substrate.
- the L-shaped, U-shaped, rectangular, circular, polygonal, semicircular, I-shaped, or staircase-shaped may be used.
- one or more types of display media are sealed between two opposing substrates, at least one of which is transparent, and the display media is moved by an electric field generated in the substrate.
- an information display device equipped with an information display panel that displays information such as images the short circuit between electrodes due to the outflow of the conductive base applied to the periphery of the substrate to prevent conduction between the upper and lower substrates is prevented. Therefore, a dummy partition wall with a cross-sectional shape that can prevent the conductive paste from flowing out from the normal application position is provided at a predetermined position on the substrate, and then the alignment displacement between the upper and lower substrates and the conductive paste are reduced when the conductive paste is applied.
- the dummy partition When the viscosity of the liquid drops, the dummy partition will prevent the conductive paste from flowing out, even if the normal application position force flows out. Therefore, it is possible to reliably prevent a short circuit between electrodes that are not originally intended to be conducted due to outflow from the normal application position of the conductive paste.
- FIG. 1 is a diagram showing an example of an information display panel used in an information display device of the present invention.
- FIG. 2 is a view showing another example of the information display panel used in the information display device of the present invention.
- FIG. 3 is a view showing still another example of the information display panel used in the information display device of the present invention.
- FIG. 4 (a) to (h) are diagrams each showing a cross-sectional shape of a dummy partition wall that can be used in the information display panel of the information display device of the present invention.
- FIG. 5 is a diagram showing an example of the shape of a partition wall in the information display panel of the information display device of the present invention.
- FIG. 6 is a diagram showing a configuration in which dummy partition walls are provided in an embodiment of the information display panel of the information display device of the present invention.
- the configuration of the information display panel of the information display device of the present invention will be described.
- an information display panel in which a display medium is sealed between opposing substrates.
- An electric field is applied by some means in the substrate.
- the display medium charged according to the electric field direction is attracted by the force of the electric field or the Coulomb force, and the display medium changes the moving direction by switching the electric field direction, thereby displaying information such as an image. Therefore, it is necessary to design the information display panel so that the stability of the display medium can be maintained when the display medium moves uniformly and display rewrite or display information is continuously displayed.
- the force exerted on the particles constituting the display medium may be an electric image force with an electrode, an intermolecular force, a liquid bridging force, gravity, etc., in addition to the force attracted by the Coulomb force between the particles.
- FIGS. 1 (a) and (b) An example of an information display panel used in the information display device of the present invention will be described with reference to FIGS. 1 (a) and (b) to FIGS. 3 (a) and (b).
- Figs. 1 (a) and (b) at least one kind of particle force is also formed, and at least two kinds of display media 3 having different optical reflectivity and charging characteristics (here, white).
- the color particle group 3W and the black particle group 3B are moved vertically to the substrate 2 in accordance with the electric field applied from an electrode (not shown) arranged outside the substrate 2 to observe the black particle group 3B.
- the black color is displayed by the observer, or the white particle group 3W is visually recognized by the observer.
- a partition 4 is provided between the substrate 2 and a cell, for example, to form a cell.
- the front partition is omitted.
- FIG. 2 (b) In the example shown in Figs. 2 (a) and (b), at least one kind of particle force is also formed, and at least two kinds of display media 3 (here white are different) having different optical reflectance and charging characteristics.
- the color particle group 3W and the black particle group 3B are shown) according to the electric field generated by applying a voltage between the electrode 5 provided on the substrate 1 and the electrode 6 provided on the substrate 2.
- the black particle group 3B is moved vertically and the observer visually recognizes the black particle group 3B, or the white particle group 3W is visually recognized by the observer to display the white color.
- a partition 4 is provided between the substrate 2 and a cell, for example, to form a cell.
- the partition in front is omitted.
- one type of display medium 3 (here, white particle group 3W) having optical reflectivity and chargeability that also includes at least one type of particle force.
- white particle group 3W having optical reflectivity and chargeability that also includes at least one type of particle force.
- Group In accordance with the electric field generated by applying a voltage between the electrode 5 and the electrode 6 provided on the plate 1, it is moved in a direction parallel to the substrate 2, and the white particle group 3W is visually recognized by the observer. The color of the electrode 6 or the substrate 1 is displayed by making the observer visually recognize the color of the electrode 6 or the substrate 1.
- a lattice-shaped partition wall 4 is provided between the substrate 2 and a cell is formed.
- the front partition is omitted.
- the information display panel of the present invention has a configuration in which a conductive paste is applied to the periphery of the substrate to conduct between the upper and lower substrates. As a measure against the outflow of the conductive paste, the conductive paste is normally applied.
- a dummy partition wall having a cross-sectional shape that can prevent outflow from the position is provided at a predetermined position on the substrate.
- the “L-shape” shown in FIG. 4 (a) is suitable when the electrodes are placed close to each other on two sides when the conductive paste is surrounded by a rectangle, and is applied to the four corners of the substrate. This is suitable for conductive pastes.
- the “U-type” shown in Fig. 4 (b) is suitable when the electrodes are placed close to each other on the three sides when the conductive paste is surrounded by a rectangle, especially around the four corners of the substrate. It is suitable for the conductive paste applied to the part.
- the electrodes are placed close to each other on the four sides when the conductive paste is surrounded by a rectangle.
- the electrodes are placed close together on one side when the conductive paste is surrounded by a rectangle.
- the “cross-sectional shape that can prevent the conductive paste from flowing out from the normal application position” of the dummy partition wall is not limited to the shapes shown in FIGS. 4 (a) to (h). Any shape other than the above can be used as long as it has the function of preventing the outflow of the paste from the normal application position.
- the regularity of the conductive base From the dummy barrier ribs of the shape shown in Figs. 4 (a) to (h), which is a dummy barrier rib with a cross-sectional shape that can prevent outflow from the application position, the conductive paste application position and the electrode arrangement around it are arranged. Since the selected one is provided at a predetermined position on the substrate, the conductive paste is normally applied when the alignment displacement between the upper and lower substrates or the viscosity of the conductive paste decreases when applying the conductive base. Even if it flows out from the position, the outflow is prevented by the dummy bulkhead, and it is intended to be conducted due to the outflow from the normal application position of the conductive paste. Are short-circuited It is possible to reliably prevent the condition.
- the substrate is a transparent substrate capable of confirming the color of the display medium as well as the information display panel outer force, and a material having high visible light transmittance and good heat resistance is preferable.
- the back substrate which is the other substrate, can be transparent or opaque.
- the substrate material include polymer sheets such as polyethylene terephthalate, polyethylene naphthalate, polyethylene sulfone, polyethylene, polycarbonate, polyimide, and acrylic, flexible materials such as metal sheets, and glass and quartz.
- An inorganic sheet with no elasticity is listed.
- the thickness of the substrate is preferably 2 to 5000 m force S, and more preferably 5 to 200 O / zm. If it is too thin, the strength and uniformity of the distance between the substrates will be maintained, and if it is thicker than 5000 ⁇ m, This is inconvenient when a thin information display panel is used.
- Electrode forming materials for the electrodes 5 and 6 provided as necessary include metals such as aluminum, silver, nickel, copper, and gold, and transparent such as ITO , indium oxide, conductive tin oxide, and conductive zinc oxide. Conductive metal oxides, polyarine, polypyrrole, polythiophene, and other conductive polymer molecules are exemplified and used as appropriate.
- As a method for forming an electrode the above-described materials are formed into a thin film by sputtering, vacuum deposition, CVD (chemical vapor deposition), coating, or the like. The forming method and the method of applying a conductive agent mixed with a solvent or a synthetic resin binder are used.
- the thickness of the electrode is good if the conductivity can be ensured and the light transmittance is not affected. 3 ⁇ : LOOOnm, preferably 5 ⁇ 400 nm.
- the material, thickness, etc. of the electrode 5 provided on the back substrate 1 side need not be the same force transparent as the electrode 6 described above. In this case, the external voltage input may be superimposed with direct current or alternating current.
- the shape of the partition 4 provided as necessary is optimally set according to the type of display medium involved in the display, and is not limited in general.
- the width of the partition is 2 to: ⁇ / ⁇ ⁇ , preferably Preferably, the height of the partition wall is adjusted to 3 to 50 ⁇ m, and the height of the partition wall is adjusted to 10 to 500 ⁇ m, preferably 10 to 200 ⁇ m.
- a double rib method in which ribs are formed on both opposing substrates and then bonded, and a single rib method in which ribs are formed only on one substrate are conceivable. In the present invention, any method is preferably used.
- the cells formed by the partition walls having the rib force are exemplified by a square shape, a triangular shape, a line shape, a circular shape, and a hexagonal shape as viewed from the direction of the substrate plane as shown in FIG.
- Examples of the child shape include a honeycomb shape and a mesh shape. Display side force It is better to make the portion corresponding to the visible section of the partition wall (the area of the cell frame) as small as possible.
- the method for forming the partition include a mold transfer method, a screen printing method, a sand blast method, a photolithography method, and an additive method. Among these, a photolithography method using a resist film and a mold transfer method are preferably used.
- the “powder fluid” in the present invention is a substance in an intermediate state of both fluid and particle characteristics that exhibits fluidity by itself without borrowing the force of gas or liquid.
- a liquid crystal is defined as an intermediate phase between a liquid and a solid, and has fluidity that is a characteristic of a liquid and anisotropy (optical properties) that is a characteristic of a solid (Heibonsha: Large Encyclopedia). ).
- anisotropy optical properties
- the definition of a particle is an object with a finite mass even if it is negligible, and is said to be affected by gravity (Maruzen: Physics Encyclopedia).
- gas-solid fluidized bed When gas is flowed from the bottom plate to the particles, upward force is applied to the particles according to the velocity of the gas. Flows easily like a fluid when it balances with gravity What can be moved is called a gas-solid fluidized bed, and the state fluidized by the same fluid is called a liquid-solid fluid (Heibonsha: Encyclopedia). As described above, the gas-solid fluidized bed body and the liquid-solid fluid body are in a state using a flow of gas or liquid. In the present invention, it has been found that a substance in a state of fluidity can be created specifically without borrowing the force of such gas and liquid, and this is defined as powder fluid.
- the pulverulent fluid in the present invention is an intermediate state having both the characteristics of particles and liquid, as in the definition of liquid crystal (intermediate phase between liquid and solid), and has the characteristics of the particles described above. It is a substance that shows a unique state with high fluidity that is extremely difficult to be affected by gravity. Such a substance can be obtained in an aerosol state, that is, a dispersion system in which a solid or liquid substance is stably suspended as a dispersoid in a gas.
- the information display panel of the present invention can obtain a solid substance as a dispersoid. It is what.
- An information display panel that is an object of the present invention is a powder that exhibits high fluidity in an aerosol state in which solid particles are stably suspended as a dispersoid, for example, in a gas between opposing substrates, at least one of which is transparent.
- the fluid is encapsulated, and such powdered fluid can be easily and stably moved by a Cron force or the like by applying a low voltage.
- the pulverized fluid used in the present invention is a substance in an intermediate state of both fluid and particle characteristics that exhibits fluidity by itself without borrowing the force of gas or liquid.
- This powdered fluid can be in an aerosol state in particular, and in the information display panel of the present invention, a solid substance is used in a state of being relatively stably suspended as a dispersoid in the gas.
- the particles can contain a charge control agent, a colorant, an inorganic additive, and the like, if necessary, in the resin as the main component as in the conventional case.
- a charge control agent e.g., a colorant, an inorganic additive, and the like
- examples of the resin, charge control agent, colorant, and other additives are given below.
- the resin examples include urethane resin, urea resin, acrylic resin, polyester resin, acrylic urethane resin, acrylic urethane silicone resin, acrylic urethane fluorine resin, acrylic fluorine resin, Silicone resin, acrylic silicone resin, epoxy resin, polystyrene Resin, styrene acrylic resin, polyolefin resin, petral resin, vinylidene chloride resin, melamine resin, phenol resin, fluorine resin, polycarbonate resin, polysulfone resin, polyether resin, polyamide resin Fats etc. are mentioned, and two or more kinds can be mixed.
- acrylic urethane resin, acrylic silicone resin, acrylic fluorine resin, acrylic urethane silicone resin, acrylic urethane fluorine resin, fluorine resin, silicone resin Is preferred.
- the charge control agent is not particularly limited, but examples of the negative charge control agent include salicylic acid metal complexes, metal-containing azo dyes, and oil-soluble dyes containing metals (including metal ions and metal atoms). Materials, quaternary ammonium salt compounds, force-rich allenic compounds, boron-containing compounds (benzilate boron complex), nitroimidazole derivatives, and the like.
- Examples of the positive charge control agent include Niguchicin dyes, triphenylmethane compounds, quaternary ammonium salt compounds, polyamine resins and imidazole derivatives.
- metal oxides such as ultrafine silica, ultrafine titanium oxide, ultrafine alumina, nitrogen-containing cyclic compounds such as pyridine and their derivatives and salts, various organic pigments, fluorine resin containing fluorine, chlorine, nitrogen, etc. Can also be used as charge control agents.
- colorant various organic or inorganic pigments and dyes as exemplified below can be used.
- black colorant examples include carbon black, copper oxide, manganese dioxide, charlin black, and activated carbon.
- Blue pigments include CI pigment blue 15: 3, CI pigment blue 15, dark blue, cobalt blue, alkaline blue lake, Victoria blue lake, phthalocyanine blue, metal-free phthalocyanine blue, phthalocyanine blue partially chlorinated, There are First Sky Blue and Indanthrene Blue BC.
- Red colorants include bengara, cadmium red, red lead, mercury sulfide, cadmium, permanent red 4R, linole red, pyrazolone red, watching red, calcium salt, lake red D, brilliant carmine 6B, eosin lake, rhodamine lake B, Aliza Linleke, Brilliant Carmine 3B, CI Pigment Red 2, etc.
- yellow colorants include yellow lead, zinc yellow, cadmium yellow, yellow iron oxide, mineral 1st Yellow, Nikkenore Titanium Yellow, Neve Nore Yellow, Naft Nore Yellow S, Nounza Yellow G, Hansa Yellow 10G, Benzine Yellow G, Benzine Yellow Yellow, Quinoline Yellow Lake, Permanent Toy Yellow NCG, Tartra Jin Yellow, CI Pigment Yellow 12 Etc.
- Green colorants include chrome green, acid chrome, pigment green B, C.I. Pigment Green 7, Malachite Green Lake, and Huay Nanolayer Green G.
- Orange colorants include red yellow lead, molybdenum orange, permanent orange GTR, pyrazolone range, nonlecan range, indren brilliant range RK: benzidine range G, indren brilliant range GK, CI Pigment age range 3 1 etc.
- Purple colorants include manganese purple, first violet B, and methyl violet lake.
- white colorants include zinc white, titanium oxide, antimony white, zinc sulfate zinc, and the like.
- extender pigments include nolite powder, barium carbonate, clay, silica, white carbon, talc, and alumina white.
- basic dyes such as basic, acidic, disperse, and direct dyes include Nigguchi Shin, Methylene Blue, Rose Bengal, Quinoline Yellow, and Ultramarine Blue.
- inorganic additives include titanium oxide, zinc white, zinc sulfide, antimony oxide, calcium carbonate, lead white, talc, silica, calcium silicate, alumina white, cadmium yellow, cadmium red, cadmium. Examples include orange, titanium yellow, bitumen, ultramarine, cobalt blue, cobalt green, cobalt violet, iron oxide, carbon black, manganese ferrite black, cobalt ferrite black, copper powder, and aluminum powder. These pigments and inorganic additives can be used alone or in combination. Of these, carbon black is particularly preferred as a black pigment, and titanium oxide is preferred as a white pigment.
- the particles used in the present invention preferably have an average particle diameter d (0.5) force in the range of 0.1 to 20 ⁇ m, and are uniform and uniform. If the average particle diameter d (0.5) is larger than this range, the display is not clear, and if it is smaller than this range, the cohesive force between the particles becomes too large. It becomes difficult to move.
- the particle size distribution Span represented by the following formula is set to less than 5, preferably less than 3.
- d (0.5) is a numerical value expressed in m that the particle size is 50% larger than this and 50% smaller than this
- d (0.1) is a particle whose ratio is 10% or less.
- the diameter is expressed as / zm
- d (0.9) is the numerical value when the particle diameter is 90% or less, and is expressed as / zm.
- the ratio of the d (0.5) of the particle having the minimum diameter to the d (0.5) of the particle having the maximum diameter among the used particles is 50 or less, preferably 10 or less. It is important to do this. Even if the particle size distribution Span is reduced, particles with different charging properties move in opposite directions, so that particles with close particle sizes can easily move in the opposite direction by the equivalent amount. Is preferred, and this is in this range
- the particle size distribution and particle size described above can be obtained from a laser diffraction Z scattering method or the like.
- laser light is irradiated onto the particles to be measured, a light intensity distribution pattern of diffracted Z-scattered light is generated spatially, and this light intensity pattern has a corresponding relationship with the particle diameter, so the particle size and particle size distribution are measured. it can.
- the particle size and particle size distribution in the present invention are obtained from a volume-based distribution. Specifically, using a Mastersizer2000 (Malvern Instruments Ltd.) measuring instrument, particles are introduced into a nitrogen stream and the attached analysis software (software based on volume-based distribution using Mie theory) The particle size and particle size distribution can be measured.
- Mastersizer2000 Malvern Instruments Ltd.
- analysis software software based on volume-based distribution using Mie theory
- the relative humidity at 25 ° C is 60% RH or less, preferably 50% RH or less, and more preferably 35% RH or less with respect to the gas humidity in the voids. 1 to 3, the gaps between the opposing substrate 1 and substrate 2 in FIGS.
- electrodes 5 and 6 when provided inside the substrate
- particle group (or powder fluid) 3 Except for the occupied part, the occupied part of the partition wall 4 (when the partition wall is provided), and the panel seal part for information display, it refers to the gas part in contact with the V loose particles (or powder fluid).
- the gas in the gap is not limited as long as it is in the humidity region described above, but dry air, dry nitrogen, dry argon, dry helium, dry carbon dioxide, dry methane, and the like are suitable.
- This gas must be sealed in the information display panel so that its humidity is maintained. For example, filling of particles or powdered fluid, assembling of the information display panel, etc. in a predetermined humidity environment.
- it is important to apply a sealing material and a sealing method that prevent external force from entering the humidity.
- the distance between the substrates in the information display panel that is the subject of the present invention is not limited as long as the display medium can be moved and the contrast can be maintained, but is usually 10 to 500 111, preferably 10 to 200 ⁇ m. Adjusted.
- the volume occupancy of the particle group or the powder fluid in the space between the opposing substrates is preferably 5 to 70%, more preferably 5 to 60%. If it exceeds 70%, the movement of particles or powdered fluid will be hindered. If it is less than 5%, the contrast tends to be unclear.
- the particle group and powder fluid used in the gas have been described.
- the present invention is also applicable to the case where a microcapsule type display medium in which the electrophoretic particle group is encapsulated is filled. it can.
- an information display panel of the information display device of Example 1 as shown in FIG. 6 was produced.
- the information display panel of Example 1 is provided with dummy partition walls 11 as shown in one of the four corners of two opposing substrates.
- the upper substrate side ITO electrode 12 and the lower substrate side ITO electrode 13-1 are overlapped at one of the four corners of the substrate.
- an “L-shaped” dummy partition wall 11 is suitable as shown in the figure.
- the conductive paste 14 silver paste, carbon paste, ACS (anisotropic conductive seal) or the like is used.
- the conductive paste 14 is applied to other parts, and each of the conductive pastes 14 is also as described above.
- the one selected from the dummy barrier ribs having the shapes shown in FIGS. 4 (a) to (! 1) according to the position where the conductive bed is applied and the surrounding electrode arrangement is a predetermined one on the substrate. In the position.
- the shape shown in FIGS. 4A to 4H is a dummy partition wall having a cross-sectional shape that can prevent the conductive paste from flowing out from the normal application position.
- Each dummy partition wall 11 having an optimal cross-sectional shape selected according to the position where the conductive paste is applied and the arrangement of the surrounding electrodes is selected from the dummy partition walls at a predetermined position corresponding to the position where the conductive paste 14 is applied. Therefore, when the conductive paste is misaligned between the upper and lower substrates or the viscosity of the conductive paste is reduced, even if the conductive paste is discharged to the normal application position, the dummy partition blocks the outflow. As a result, it is possible to reliably prevent a short circuit between electrodes that are not originally intended to be conducted due to the outflow of the conductive base from the normal application position.
- the information display panel and information display device of the present invention include a display unit of a mopile device such as a notebook computer, PDA, mobile phone, and handy terminal, an electronic book such as an electronic book and an electronic newspaper, a signboard, a poster, Billboards such as blackboards, calculators, home appliances, automobile supplies, etc., card displays such as point cards, IC cards, electronic advertisements, electronic POPs, electronic price tags, electronic shelf labels, electronic scores, RF-ID device displays It is suitably used for parts and the like.
- a mopile device such as a notebook computer, PDA, mobile phone, and handy terminal
- an electronic book such as an electronic book and an electronic newspaper
- a signboard such as blackboards, calculators, home appliances, automobile supplies, etc.
- Billboards such as blackboards, calculators, home appliances, automobile supplies, etc.
- card displays such as point cards, IC cards, electronic advertisements, electronic POPs, electronic price tags, electronic shelf labels, electronic scores, RF-ID device displays It is
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- Optics & Photonics (AREA)
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- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
Abstract
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Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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JP2006531554A JPWO2006018982A1 (ja) | 2004-08-19 | 2005-08-04 | 情報表示装置 |
EP05768929A EP1780590A4 (en) | 2004-08-19 | 2005-08-04 | INFORMATION DISPLAY |
US11/660,599 US20070252793A1 (en) | 2004-08-19 | 2005-08-04 | Information Display Device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2004-239761 | 2004-08-19 | ||
JP2004239761 | 2004-08-19 |
Publications (1)
Publication Number | Publication Date |
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WO2006018982A1 true WO2006018982A1 (ja) | 2006-02-23 |
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Application Number | Title | Priority Date | Filing Date |
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PCT/JP2005/014322 WO2006018982A1 (ja) | 2004-08-19 | 2005-08-04 | 情報表示装置 |
Country Status (5)
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US (1) | US20070252793A1 (ja) |
EP (1) | EP1780590A4 (ja) |
JP (1) | JPWO2006018982A1 (ja) |
CN (1) | CN101006386A (ja) |
WO (1) | WO2006018982A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006268020A (ja) * | 2005-02-25 | 2006-10-05 | Semiconductor Energy Lab Co Ltd | 液晶表示装置 |
US8792073B2 (en) | 2005-02-25 | 2014-07-29 | Semiconductor Energy Laboratory Co., Ltd | Liquid crystal display device |
JP2017028476A (ja) * | 2015-07-22 | 2017-02-02 | 京セラクリスタルデバイス株式会社 | 水晶デバイス |
JP6989902B2 (ja) | 2017-08-21 | 2022-01-12 | ウーシー ビジョン ピーク テクノロジ カンパニー リミテッド | 電子インクディスプレイおよびその製造方法 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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US20100053231A1 (en) * | 2006-11-23 | 2010-03-04 | Tovis Co., Ltd | Display apparatus having various shape |
TWI409539B (zh) * | 2008-05-06 | 2013-09-21 | Au Optronics Suzhou Corp | 液晶顯示面板及其製造方法 |
JP2011146023A (ja) * | 2009-09-17 | 2011-07-28 | Panasonic Corp | タッチパネル |
USD898021S1 (en) * | 2018-05-14 | 2020-10-06 | Compal Electronics, Inc. | Notebook computer with air tunnel cover |
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JPH0329832U (ja) * | 1989-07-28 | 1991-03-25 | ||
WO2000045360A1 (fr) * | 1999-01-28 | 2000-08-03 | Seiko Epson Corporation | Panneau electro-optique, affichage de projection, et procede de fabrication associe |
JP2004054233A (ja) * | 2002-05-17 | 2004-02-19 | Sharp Corp | 表示媒体 |
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US5821912A (en) * | 1993-11-05 | 1998-10-13 | Sony Corporation | Plasma-addressed display device |
JP4061863B2 (ja) * | 2001-06-20 | 2008-03-19 | 富士ゼロックス株式会社 | 画像表示装置及び表示駆動方法 |
CN1324392C (zh) * | 2002-04-26 | 2007-07-04 | 株式会社普利司通 | 用于图像显示的颗粒和设备 |
US20030214475A1 (en) * | 2002-05-17 | 2003-11-20 | Sharp Kabushiki Kaisha | Display medium |
-
2005
- 2005-08-04 EP EP05768929A patent/EP1780590A4/en not_active Withdrawn
- 2005-08-04 CN CNA2005800281517A patent/CN101006386A/zh active Pending
- 2005-08-04 US US11/660,599 patent/US20070252793A1/en not_active Abandoned
- 2005-08-04 WO PCT/JP2005/014322 patent/WO2006018982A1/ja active Application Filing
- 2005-08-04 JP JP2006531554A patent/JPWO2006018982A1/ja not_active Withdrawn
Patent Citations (3)
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JPH0329832U (ja) * | 1989-07-28 | 1991-03-25 | ||
WO2000045360A1 (fr) * | 1999-01-28 | 2000-08-03 | Seiko Epson Corporation | Panneau electro-optique, affichage de projection, et procede de fabrication associe |
JP2004054233A (ja) * | 2002-05-17 | 2004-02-19 | Sharp Corp | 表示媒体 |
Non-Patent Citations (1)
Title |
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See also references of EP1780590A4 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006268020A (ja) * | 2005-02-25 | 2006-10-05 | Semiconductor Energy Lab Co Ltd | 液晶表示装置 |
US8792073B2 (en) | 2005-02-25 | 2014-07-29 | Semiconductor Energy Laboratory Co., Ltd | Liquid crystal display device |
JP2017028476A (ja) * | 2015-07-22 | 2017-02-02 | 京セラクリスタルデバイス株式会社 | 水晶デバイス |
JP6989902B2 (ja) | 2017-08-21 | 2022-01-12 | ウーシー ビジョン ピーク テクノロジ カンパニー リミテッド | 電子インクディスプレイおよびその製造方法 |
Also Published As
Publication number | Publication date |
---|---|
EP1780590A4 (en) | 2008-11-26 |
EP1780590A1 (en) | 2007-05-02 |
US20070252793A1 (en) | 2007-11-01 |
JPWO2006018982A1 (ja) | 2008-05-08 |
CN101006386A (zh) | 2007-07-25 |
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