WO2013141257A1 - カラー反射型表示装置及びその製造方法 - Google Patents
カラー反射型表示装置及びその製造方法 Download PDFInfo
- Publication number
- WO2013141257A1 WO2013141257A1 PCT/JP2013/057888 JP2013057888W WO2013141257A1 WO 2013141257 A1 WO2013141257 A1 WO 2013141257A1 JP 2013057888 W JP2013057888 W JP 2013057888W WO 2013141257 A1 WO2013141257 A1 WO 2013141257A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- reflective display
- color
- display device
- layer
- distance
- Prior art date
Links
Images
Classifications
-
- 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
- G02F1/166—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 characterised by the electro-optical or magneto-optical effect
- G02F1/167—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 characterised by the electro-optical or magneto-optical effect by electrophoresis
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/201—Filters in the form of arrays
-
- 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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133514—Colour filters
-
- 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
- G02F1/1343—Electrodes
- G02F1/13439—Electrodes characterised by their electrical, optical, physical properties; materials therefor; method of making
-
- 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
- G02F1/1677—Structural association of cells with optical devices, e.g. reflectors or illuminating devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
-
- 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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/13356—Structural association of cells with optical devices, e.g. polarisers or reflectors characterised by the placement of the optical elements
- G02F1/133562—Structural association of cells with optical devices, e.g. polarisers or reflectors characterised by the placement of the optical elements on the viewer side
-
- 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
- G02F1/1676—Electrodes
-
- 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
- G02F2203/00—Function characteristic
- G02F2203/02—Function characteristic reflective
-
- 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
- G02F2203/00—Function characteristic
- G02F2203/05—Function characteristic wavelength dependent
- G02F2203/055—Function characteristic wavelength dependent wavelength filtering
Definitions
- the present invention relates to a color reflection type display device that improves light use efficiency and a method for manufacturing the same.
- a self-luminous type or a backlight type display device As a device for displaying electronic publication and electronic information, a self-luminous type or a backlight type display device is generally used.
- these display devices tend to cause fatigue when used for a long time for ergonomic reasons, compared to a medium printed on paper.
- these display devices consume a large amount of power, and display time is limited in the case of battery driving.
- a reflective display device typified by electronic paper can read characters with a feeling close to that of paper, and thus can reduce observer fatigue.
- the reflective display device is suitable for use as an outdoor signboard because it exhibits display performance in a place exposed to sunlight or light outdoors.
- the reflective display device has low power consumption and can be driven for a long time. Since the reflective display device does not consume power except for rewriting of the screen, it is also used for applications such as an electronic signboard or an electronic price tag. Under such circumstances, the development of a reflective display device is underway.
- black-and-white display is sufficient if only the text information of the electronic book is used.
- color display of reflective display devices is an indispensable technology. Needs are also growing. Therefore, the following techniques have been proposed as color reflection display devices.
- the reflective display material layer for example, several types are known, such as an electrophoretic display layer in which microcapsules enclosing a dispersion liquid in which electron transfer particles are dispersed in a dispersion medium are fixed with a binder resin.
- the following (a) to (e) are examples of a display device using a known reflective display material layer (for example, Japanese Patent No. 4651992 (Document 3)).
- A rotating two-color member display device
- electrochromic display device c) electrowetting display device
- electrophoretic display device e) electronic powder fluid display device
- the distance between the pixels of the color filter is preferably 1 to 20 ⁇ m (for example, Japanese Patent No. 4415525 (Document 4)).
- the color pixel interval is preferably 1 to 20 ⁇ m.
- the colored pixel interval is a value when the pixel of the color reflection display device is viewed from the front, and is an effective value only when the influence of parallax is ignored.
- the color of the adjacent pixel may be visible due to the effect of parallax. This occurs because there is a transparent electrode layer between the color filter layer and the microcapsule layer, and there is a distance between the color filter layer and the microcapsule layer.
- the present invention has been made in view of the above circumstances, and an object of the present invention is to provide a color reflective display device in which the use efficiency of light is improved in consideration of the influence of parallax and a method for manufacturing the same.
- the color reflective display device is formed by sequentially laminating an electrode pattern layer, a reflective display material layer, a light transmissive electrode layer, a transparent resin film, and a color filter layer on a substrate.
- the distance from the reflective display material layer to the color filter layer is C
- the distance between the ink fixing pixels of the color filter layer is D
- (0.54 ⁇ C) ⁇ When 15 is not a negative value, the condition of (0.54 ⁇ C) ⁇ 15 ⁇ D ⁇ (0.54 ⁇ C) is satisfied, and when (0.54 ⁇ C) ⁇ 15 is a negative value, The condition of 0 ⁇ D ⁇ (0.54 ⁇ C) is satisfied.
- the size of the color reflective display device panel may be 210 mm ⁇ 297 mm or less.
- the thickness of the distance from the reflection type display material layer to the color filter layer is C
- the long side length of the color reflection type display device panel is B
- the color reflection type display device The distance between the panel and the observer is A
- the distance between the ink fixing pixels of the color filter layer is D
- the condition of (B ⁇ C ⁇ A) ⁇ 15 ⁇ D ⁇ (B ⁇ C ⁇ A) is satisfied.
- the distance A between the color reflective display device panel and the observer is set to 500 (mm), and the color reflective display device panel
- the distance A between the color reflection display panel and the observer may be set to 1000 (mm).
- the distance from the reflective display material layer to the color filter layer is C
- the distance between the ink fixing pixels of the color filter layer is D
- (0.54 ⁇ C) When ⁇ 15 is not a negative value, the condition of (0.54 ⁇ C) ⁇ 15 ⁇ D ⁇ (0.54 ⁇ C) is satisfied, and (0.54 ⁇ C) ⁇ 15 is a negative value In this case, the condition of 0 ⁇ D ⁇ (0.54 ⁇ C) is satisfied.
- the size of the color reflective display device panel may be 210 mm ⁇ 297 mm or less.
- the distance from the reflective display material layer to the color filter layer is C
- the long side length of the color reflective display device panel is B (mm).
- the distance between the mold display device panel and the observer is A
- the distance between the ink fixing pixels of the color filter layer is D
- the condition of (B ⁇ C ⁇ A) ⁇ 15 ⁇ D ⁇ (B ⁇ C ⁇ A) is satisfied. Fulfill.
- the distance A between the color reflective display device panel and the observer is set to 500 (mm), and the color reflective display device panel
- the distance A between the color reflection display panel and the observer may be set to 1000 (mm).
- the distance C from the reflective display material layer to the color filter layer may be 10 ⁇ m or more and 150 ⁇ m or less.
- an ink fixing layer may be formed on the transparent resin film using an inkjet method, and a color filter layer may be formed on the ink fixing layer.
- the aspect of the present invention it is possible to provide a color reflective display device that suppresses the loss of light usage due to inefficient reflection caused by parallax in the color reflective display device panel and improves the light usage efficiency.
- FIG. 1 is a cross-sectional view illustrating an example of a color reflective display device according to the first embodiment.
- FIG. 2 is a diagram illustrating an example of the distance between the panel and the eyes of the observer when the observer views the panel of the color reflection type surface device according to the first embodiment.
- FIG. 3 is a cross-sectional view showing an example of a state where the pixel interval is narrow and light is attenuated in the panel, and an example of a state where the pixel interval is appropriate and light is highly efficient.
- FIG. 4 is a perspective view illustrating an example of a color filter printing apparatus according to the first embodiment.
- FIG. 5 is an explanatory diagram illustrating an example of pixel fabrication by the inkjet method according to the first embodiment.
- FIG. 6 is an explanatory diagram illustrating an example of the relationship between the inclination of the inkjet head and the interval between the electrode patterns in the first embodiment.
- FIG. 1 is a cross-sectional view showing a configuration of a color reflective display device according to this embodiment.
- a method for manufacturing an electrophoretic display device called a reflection type display device is described in, for example, Japanese Patent No. 2555173.
- a dispersion system containing electrophoretic particles is enclosed between counter electrode plates that are at least one side of a light transmission type, and optical reflection characteristics are obtained by a display control voltage applied between the counter electrodes.
- An electrophoretic display device that gives a change and performs the required display is described.
- a color reflective display device includes an electrode pattern layer 2, an adhesive layer 3, a microcapsule layer 4 including microcapsules 5, a light-transmissive electrode layer (transparent electrode) 6, a transparent resin film on a substrate. 7, the ink fixing layer 8, the color filter layer 9, and the protective film 10 are laminated in this order.
- An example of a color reflective display device is color electronic paper.
- the substrate 1 is, for example, a transparent glass substrate.
- An electrode pattern layer 2 and an adhesive layer 3 are sequentially formed on the substrate 1, and a microcapsule layer 4 that is a reflective display material layer (electrophoretic display layer) is laminated on the adhesive layer 3.
- the microcapsule layer 4 is formed by fixing the microcapsule 5 with a binder resin.
- the microcapsule 5 is formed by dispersing particles having different electrical polarities (white and black electron flow particles) in a transparent dispersion within a microcapsule shell.
- a light transmissive electrode layer 6, a transparent resin film 7, an ink fixing layer 8, and a color filter layer 9 are sequentially laminated.
- a protective film 10 is formed on the color filter layer 9.
- the color reflective display device has a configuration in which a color filter layer 9 is formed on an electrode layer of a monochrome reflective display device. More preferably, the ink fixing layer 8 is provided, and the color filter layer 9 is formed by an inkjet method.
- the ink fixing layer 8 for example, an ink jet recording medium described in Japanese Patent No. 3996741, for example, a recording medium for an ink jet printer described in Japanese Patent Application Laid-Open No. 2008-272972 is used.
- the ink fixing layer 8 preferably has high transparency.
- an ink-jet image receiving material having a porous structure as described in Japanese Patent No. 3996741 may be used as the ink fixing layer 8.
- performances such as transparency, no discoloration and fading of the received ink, and various resistances are required.
- vinyl resins such as polyvinyl butyral and polyvinyl acetate are used. .
- the material of the ink fixing layer 8 is applied, for example, so that the thickness after drying with a coating apparatus is 3 to 10 ⁇ m.
- a coating apparatus for example, a die coater, a spin coater, a bar coater, or the like is used.
- the coating method is not limited to these methods.
- the ink fixing layer 8 is formed by solidifying the material of the ink fixing layer 8 by a method such as heat, vacuum, or UV irradiation after application.
- FIG. 2 shows an example of a distance A between a color reflective display device panel (hereinafter simply referred to as a panel) 11 and an observer's (human) eye 12 of the color reflective display device.
- the distance A between the panel 11 and the eyes 12 of the observer is set to about 500 mm when reading a digital book, for example, in the case of a reflective display device that is carried.
- the distance A between the panel 11 and the eyes 12 of the observer is changed according to the application.
- the distance A between the panel 11 and the observer's eyes 12 may be 1 m or more.
- the size of the panel 11 is selected according to the application.
- the size of the panel 11 may be, for example, a library size (120 mm ⁇ 180 mm) to an A4 size (210 mm ⁇ 297 mm).
- the panel 11 becomes large, for example, in the case of a type to be installed or in the case of a signboard or an advertisement.
- the panel 11 has various sizes.
- the size of the panel 11 according to the present embodiment is 210 mm ⁇ 297 mm or less.
- the length between one end and the other end of the panel 11 is B.
- the length of the long side of the panel 11 is described as B, but B may represent another length that is not the long side of the panel 11. Even if the panel 11 is not rectangular or square, the following color reflective display device and manufacturing method thereof can be used.
- C corresponds to the distance (thickness) from the microcapsule layer 4 to the color filter layer.
- the reflective display device includes a light transmissive electrode layer 6 as one of the members.
- a transparent resin film 7 is formed on the light transmissive electrode layer 6.
- the thickness of the light transmissive electrode layer 6 is extremely smaller than the thickness of the transparent resin film 7. Therefore, the thickness of the transparent resin film 7 is almost the same as C. For this reason, the distance C from the microcapsule layer 4 to the color filter layer may be approximated by the thickness of the transparent resin film 7.
- an ink fixing layer 8 is formed on the transparent resin film 7. Therefore, C may be a value obtained by adding the thickness of the transparent resin film 7 and the thickness of the ink fixing layer 8 formed on the transparent resin film 7.
- the ink fixing layer 8 may or may not be formed on the transparent resin film 7.
- the thickness C of the transparent resin film 7 is the same as that of the ink fixing layer 8. Does not include thickness. Since the thickness of the light transmissive electrode layer 6 is sufficiently smaller than the thickness of the transparent resin film 7 and the ink fixing layer 8, it may not be included in C. Thickness may be included.
- the position where the parallax occurs is a place where the angle to the panel 11 is large, for example, the end in the long side direction.
- the angle ⁇ toward the end of the panel 11, that is, the angle ⁇ between when viewing the center of the panel 11 from the observer's eye 12 and when viewing the end in the long side direction, tan ⁇ ((B / 2) / A) (1) It becomes.
- the light that has passed through the color filter layer 9 passes through the transparent resin film 7 that forms the light-transmissive electrode layer 6 and reaches the microcapsule layer 4 that encloses the electron fluidized particles.
- the white and black electron flow particles in the microcapsule 5 move, and the color of the microcapsule 5 corresponding to each color pixel position is switched. If the light incident on the panel 11 has an incident light angle ⁇ , the light that has passed through the colored pixels may not necessarily reach the microcapsule layer 4 corresponding to the colored pixels that have passed through.
- FIG. 3 shows the configuration of the main part of the panel 11, that is, the microcapsule layer 4, the color filter layer 9, and the transparent resin film 7 forming the transparent electrode.
- FIG. 3A is an explanatory diagram when the pixel interval D is narrow and light is attenuated.
- FIG. 3B is an explanatory diagram in the case where the pixel interval D is appropriate and the light becomes highly efficient.
- the microcapsule 5B of the microcapsule layer 4 corresponds to the blue colored pixel 9B of the color filter layer 9, and the microcapsule 5R corresponds to the red colored pixel 9R.
- the distance D between the colored pixels 9B and 9R is C ⁇ 2 ⁇ tan ⁇ : Formula (2) If it is larger, the light that has passed through the blue colored pixel 9B does not reach the red microcapsule 5R.
- the colored pixels 9B and 9R are formed in an area narrow by “D / 2” from the electrode wiring pattern interval, so that the light 15 incident at the incident angle ⁇ is also colored differently. It is possible to prevent the pixels from passing, and a highly efficient color filter pattern is formed.
- the inventor has also found that a color filter having no large light attenuation can be obtained if the pixel interval D is an interval from the value represented by the expression (3) to “ ⁇ 15 ⁇ m”. This is presumably because the parallax ⁇ is small near the center of the panel 11.
- the distance A can be calculated from the width of the field of view generally observed by the panel 11 by the observer.
- the viewing field angle of the panel 11 is generally estimated to be around 30 degrees.
- This equation (5) is a case where (0.54 ⁇ C) -15 is not a negative value.
- FIG. 4 is a perspective view showing an example of the configuration of the inkjet coating apparatus 20 in the method for manufacturing a color reflective display device according to this embodiment.
- the ink jet coating apparatus 20 includes a transport stage 21 and an ink jet head unit 25.
- the transfer stage 21 carries the substrate 1 of the color reflective display device and accurately transfers it in one direction.
- the inkjet head unit 25 includes an inkjet head 22 to which inkjet ink for application to the substrate 1 is supplied.
- the inkjet head unit 25 is a device that holds the inkjet head 22 at a certain height from the substrate 1 on the conveyance stage 21 and can move the inkjet head 22 orthogonally to the conveyance direction.
- the inkjet head 22 includes a plurality of nozzles that eject ink.
- the plurality of nozzles are arranged at predetermined equal intervals in the scanning direction in which the inkjet head 22 is scanned relative to the colored pixel pattern (hereinafter simply referred to as a pixel pattern) of the color filter layer 9.
- the ink jet coating apparatus 20 further dries ink applied to the substrate 1, an ink tank 26 that supplies ink to the ink jet head 22, an ink jet head control panel 27 that controls ejection of ink jet ink from the nozzles of the ink jet head 22, and the substrate 1.
- the drying unit 28 is provided.
- the distance from the nozzle of the inkjet head 22 to the substrate 1 is set to 300 ⁇ m to 2000 ⁇ m, so that the ink can be applied to the substrate 1 with high accuracy.
- the distance from the nozzle of the inkjet head 22 to the substrate 1 is 300 ⁇ m or less, the risk of contact between the inkjet head 22 and the substrate 1 increases.
- the distance from the nozzle of the inkjet head 22 to the substrate 1 is 2000 ⁇ m or more, ejection flight bending (misdirection) is likely to occur.
- the inkjet coating apparatus 20 includes a maintenance mechanism 30 for recovering the discharge performance of the nozzles of the inkjet head 22.
- the maintenance mechanism 30 includes a pot or the like for wiping the nozzle surface with a waste cloth or a film, or discharging liquid.
- the inkjet coating apparatus 20 preferably includes an alignment camera and an image processing unit in order to determine the position of the pixel pattern on the substrate 1.
- the ink jet coating apparatus 20 shown in FIG. 4 is used, an ink jet head 22 having a plurality of nozzles is scanned relative to the pixel pattern, and the ink fixing layer 8 of the substrate 1 is provided. Ink jet ink is discharged and supplied to the surface, and an ink jet ink layer, that is, a color filter layer 9 is formed on the ink fixing layer 8.
- an inkjet head 22 having a plurality of nozzles is scanned relative to the pixel pattern. In this case, the substrate 1 side may be moved, or the inkjet head 22 side may be moved. Further, both the substrate 1 and the inkjet head 22 may be moved.
- FIG. 5 is an explanatory diagram of the pixel shape and the ejection arrangement pattern.
- the ink droplet landing part 40 is continuously applied to produce a long hole pixel.
- the interval F between the ink droplets 41 shown in FIG. 5 (b) is long, it becomes a concave shape as shown in FIG. 5 (a), and when the interval is short, the center as shown in FIG. 5 (c).
- a predetermined pixel coloring portion 50 is formed by forming a shape in which long holes are arranged side by side in an arbitrary number.
- the component perpendicular to the main scanning direction of the inkjet head 22 in the distance between adjacent nozzles of the inkjet head 22 shown in FIG. 4 is the same color of the color reflective display device.
- the orientation of the inkjet head 22 is arranged so that it becomes 1 / integer of the component perpendicular to the main scanning direction of the inkjet head 22 in the distance between adjacent pixels forming the pixel, and the inkjet ink is applied to the pixel pattern. It is preferable to discharge and supply.
- the inkjet head 22 is disposed to be inclined in the main scanning direction.
- FIG. 6 shows an explanatory diagram of the nozzle pitch when the inkjet head 22 is tilted.
- reference numeral 60 indicates the nozzle surface of the inkjet head 22.
- Reference numeral 61 indicates a nozzle.
- the row of nozzles 61 of the inkjet head 22 is arranged in a direction toward the ink fixing layer 8.
- the row of nozzles 61 and the substrate 1 of the color reflection display device are scanned relatively.
- the component orthogonal to the scanning direction of the ink jet head 22 in the nozzle interval of the ink jet head 22 is the ink jet head 22 of the distance between the respective pixels 51 to be colored in the same color of the color reflective display device.
- the inkjet head 22 is disposed so as to be an integral number of a component orthogonal to the scanning direction.
- the row in which the nozzles 61 of the inkjet heads 22 are arranged that is, the axis of the nozzle arrangement is tilted at an arbitrary angle ⁇ with respect to the transport direction of the substrate 1 of the color reflective display device.
- the nozzle pitch can be adjusted.
- the nozzle pitch when the nozzle array axis is not tilted is G
- the nozzle pitch is “G ⁇ cos ⁇ ” because the nozzle array axis is tilted at an angle ⁇ .
- an inkjet head of multiphase division driving is used.
- the multi-phase divided drive inkjet head is driven by dividing a plurality of phases having periodicity into phases.
- an inkjet head of multiphase division driving in the step of ejecting and supplying inkjet ink from the nozzle 61 according to the position of the nozzle 61, one or more specific phases of a plurality of phases are assigned. In this case, let G be the nozzle pitch of the same phase.
- the inkjet head 22 performs a controlled operation of discharging a minute drop. The liquid droplets ejected from the nozzle 61 are applied to the pixels 51.
- an independent nozzle-controlled inkjet head may be used.
- the discharge timing of each nozzle is matched with the speed and time in the scanning direction.
- the discharge operation is performed according to independent nozzle control.
- the inkjet head 22 is driven by multiphase division.
- the plurality of nozzles 61 are assigned to a plurality of phases having periodicity by this multiphase division drive, and the step of discharging and supplying inkjet ink from the nozzles 61 is applied to some specific phases of the plurality of phases. Limited practice.
- an inkjet head capable of independent nozzle control is used, since there is one phase, all nozzles can be used.
- the type of head is not limited, and any head can be used.
- the color ink material may be, for example, a color pigment, a resin, a dispersant, or a solvent.
- the colored ink may contain fluorine and have liquid repellency. It is preferable to use three types of ink pigments, red, green, and blue, but any one or two of them may be used, and yellow, light blue, and purple may be used. Moreover, the combination of colors is not limited.
- pigments used as a colorant include Pigment Red 9, 19, 38, 43, 97, 122, 123, 144, 149, 166, 168, 177, 179, 180, 192, 215, 216, 208, 216, 217, 220, 223, 224, 226, 227, 228, 240, Pigment Blue 15, 15: 6, 16, 22, 29, 60, 64, Pigment Green 7, 36, Pigment Red 20, 20, 86, 81, 83 , 93, 108, 109, 110, 117, 125, 137, 138, 139, 147, 148, 153, 154, 166, 168, 185, Pigment 36 Orange 36, Pigment Violet 23, and the like.
- the pigment is not limited to these. These pigments may be used in combination of two or more in order to obtain a desired hue.
- the resin of the coloring ink material casein, gelatin, polyvinyl alcohol, carboxymethyl acetal, polyimide resin, acrylic resin, epoxy resin, melanin resin, etc. are used, and may be appropriately selected based on the relationship with the pigment. Good. When heat resistance or light resistance is required, an acrylic resin is preferable as the resin for the colored ink.
- a dispersant may be used, and as the nonionic surfactant as the dispersant, for example, polyoxyethylene alkyl ether may be used.
- the ionic surfactant as the dispersant for example, sodium alkylbenzene sulfonate, poly fatty acid salt, fatty acid salt alkyl phosphate, tetraalkyl ammonium salt, and the like may be used.
- an organic pigment derivative, polyester, or the like may be used as a dispersant.
- One type of dispersant may be used alone, or two or more types of dispersants may be mixed and used.
- the solvent type used for the colored ink has an appropriate surface tension range of 35 mN / m or less in ink jet printing and a boiling point of 130 ° C. or higher.
- the surface tension is 35 mN / m or more, the dot shape stability at the time of ink jet ejection is significantly adversely affected.
- the boiling point is 130 ° C. or less, the drying property near the nozzle is remarkably increased. This is not preferable because it causes defects such as nozzle clogging.
- the present invention is not limited to these, and any solvent that satisfies the above requirements is applicable. If necessary, two or more kinds of solvents may be mixed and used.
- the ink is applied to the ink fixing layer 8 of the color reflective display device, and then dried and solidified.
- a drying apparatus and / or a solidification apparatus perform the method in any one of a heating, ventilation, pressure reduction, light irradiation, and electron beam irradiation, or those 2 or more types of combinations.
- a protective film 10 is formed to protect the color filter layer 9.
- an organic resin such as polyamide, polyimide, polyurethane, polycarbonate, acrylic, silicone or the like, or Si 3 N 4 , SiO 2
- an inorganic film such as SiO, Al 2 O 3 , Ta 2 O 3 or the like is formed as a protective layer by, for example, a coating method such as spin coating, roll coating, printing method, or vapor deposition method. May be.
- the loss of light usage due to inefficient reflection caused by parallax in the panel 11 is suppressed, and the light usage efficiency is improved.
- the color filter layer 9 is formed by the ink jet method.
- other color filter forming methods such as a photolithography method and an ink transfer method may be used.
- the thickness of the light transmissive electrode layer is C ( ⁇ m).
- the long side length of the panel 11 is defined as B (mm).
- D the distance between the ink fixing pixels of the color filter layer 9.
- the distance between the panel 11 and the observer is A (mm).
- the distance D between the ink fixing pixels is (B ⁇ C ⁇ A) ⁇ 15 ⁇ D ⁇ (B ⁇ C ⁇ A) (6) It is formed to satisfy the following conditions.
- the distance D between the ink fixing pixels is obtained by the following equation (7).
- the thickness C of the light transmissive electrode layer 6 is preferably 10 ⁇ m or more and 150 ⁇ m or less.
- Example 1 corresponds to the first embodiment described above.
- Example 1 a method for manufacturing a color reflective display device in which color filters are printed in a matrix will be described.
- Example 1 a reflective display device using a microcapsule electrophoresis system is manufactured.
- the microcapsule type electrophoretic display device includes positively and negatively charged white particles and black particles placed in a microcapsule 5 filled with a transparent solvent, and each particle is displayed on the display surface by applying an external voltage. The image is formed by pulling it up.
- the microcapsule 5 has a small diameter of several tens to several hundreds of ⁇ m. Therefore, the microcapsules 5 can be dispersed in a transparent binder and coated like an ink. This electronic ink can draw an image by applying a voltage from the outside.
- This electronic ink is coated on a transparent resin film on which a transparent electrode is formed.
- the transparent resin film coated with electronic ink is bonded to a substrate on which an active matrix driving electrode circuit is formed. Thereby, an active matrix display panel is formed.
- a component in which electronic ink is coated on a transparent resin film on which a transparent electrode is formed is called a “front plate”.
- a substrate on which an active matrix driving electrode circuit is formed is called a “back plate”.
- As the transparent resin film a PET film having a thickness of 25 ⁇ m is used.
- the size of the panel is A4 size, that is, 210 mm ⁇ 297 mm.
- the electrode pattern interval is 200 ⁇ m.
- the reflectance at the time of white display of the panel on which no color filter is formed is 46%.
- the ink fixing layer 8 is formed on the front plate side.
- a material for the ink fixing layer 8 a material in which urethane resin, toluene, water, and IPA (isopropyl alcohol) are mixed is used.
- the ink fixing layer 8 is applied by a die coater so as to have a dry thickness of 7 ⁇ m to 9 ⁇ m.
- a grid pattern is printed on the ink fixing layer 8 by the ink jet coating apparatus 20.
- the ink used for printing includes 3% pigment, 22% synthetic resin, 5% cyclohexanone, and 70% diethylene glycol dimethyl ether.
- the color pixel interval D is calculated to be 18 ⁇ m based on “0.54 ⁇ (transparent resin film thickness 25 ⁇ m + ink fixing layer 8 ⁇ m)”. Therefore, printing is performed by the ink jet method so that one droplet 10 pl is ejected in nine places in a square lattice and the size of the colored pixels is “190 ⁇ m ⁇ 190 ⁇ m”. Printing is performed in accordance with the electrode patterns of different ink red, green, and blue.
- the protective film 10 is laminated to produce a color reflective display device.
- a highly efficient color reflective display device having a reflectance of 25% and an NTSC ratio of 7% is obtained.
- Example 2 corresponds to Expression (7) of the second embodiment.
- Example 2 the size of the panel 11 is set to A4 size (that is, 210 mm ⁇ 297 mm) or less, the distance between the panel 11 and the observer is 500 mm, and other conditions are the same as in Example 1.
- the color pixel interval D is calculated to be 20 ⁇ m based on “the long side length of the panel 11 297 mm ⁇ (transparent resin film thickness 25 ⁇ m + ink fixing layer 8 ⁇ m) ⁇ the distance between the panel 11 and the observer 500 mm”.
- Example 3 corresponds to Expression (8) of the second embodiment.
- Example 3 the size of the panel 11 is 28 inches (that is, 350 mm ⁇ 630 mm). The distance between the panel 11 and the observer is 1000 mm.
- the transparent resin film 7 is a PET film having a thickness of 30 ⁇ m.
- the reflectance at the time of white display of the panel in which the color filter is not formed is 45%.
- An ink fixing layer 8 is formed on the front plate side.
- a material in which urethane resin, toluene, water, and IPA are mixed is used as the material of the ink fixing layer 8.
- the ink fixing layer 8 is applied by a bar coater so as to have a dry thickness of 7 ⁇ m to 9 ⁇ m.
- a grid-like pattern is printed on the ink fixing layer 8 by an inkjet apparatus.
- the ink used for printing contains 2% pigment, 23% synthetic resin, 5% cyclohexanone, and 70% diethylene glycol dimethyl ether.
- the color pixel interval D is calculated to be 24 ⁇ m based on “the long side length of the panel 11 630 mm ⁇ (transparent resin film thickness 30 ⁇ m + ink fixing layer 8 ⁇ m) ⁇ the distance between the panel 11 and the observer 1000 mm”.
- printing is performed by an ink jet method so that one droplet 14 pl is ejected at nine locations in a square lattice and the color pixel size is “218 ⁇ m ⁇ 218 ⁇ m”.
- Printing is performed with different ink red and green according to the electrode pattern. Thereby, the reflectance of white display of the reflective display device can be set to 30%, and further, red and green can be displayed.
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mathematical Physics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Molecular Biology (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
- Optical Filters (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
Description
(b)エレクトロクロミック表示装置
(c)エレクトロウエッティング表示装置
(d)電気泳動表示装置
(e)電子粉流体表示装置
カラーフィルタを用いる反射型表示装置において、カラーフィルタの画素と画素の間隔は1~20μmが好ましい(例えば、特許第4415525号公報(文献4))。
以下、本実施形態について図面を参照して詳細に説明する。
tanα=((B/2)/A)…式(1)
となる。
C×2×tanα…式(2)
より大きい場合は、青色の着色画素9Bを通過した光は赤色のマイクロカプセル5Rに到達しない。
D=B×C÷A…式(3)
が得られる。
A=B/(2tan(30°/2))=B/0.54…式(4)
と表される。
(0.54×C)-15≦D≦(0.54×C)…式(5)
を得ることができる。
0<D≦(0.54×C)…式(6)
が用いられる。
本実施形態においては、インク定着画素間の距離Dの他の算出方法について説明する。
(B×C÷A)-15≦D≦(B×C÷A)…式(6)
の条件を満たすように形成される。
例えば、パネル11のサイズが210mm×297mmサイズより大きく、Aが1000mmの場合、インク定着画素間の距離Dは、下記の式(8)で求められる。
なお、本実施形態において、光透過性電極層6の厚さCは、10μm以上、150μm以下とすることが好ましい。
実施例1は、上記の第1の実施形態に対応する。
実施例2は、上記の第2の実施形態の式(7)に対応する。
実施例3は、上記の第2の実施形態の式(8)に対応する。
Claims (14)
- 基板の上に、電極パターン層、反射型表示材料層、光透過性電極層、透明樹脂膜、カラーフィルタ層を順次積層して形成されるカラー反射型表示装置であって、
前記反射型表示材料層から前記カラーフィルタ層までの距離をCとし、前記カラーフィルタ層のインク定着画素間の距離をDとし、
(0.54×C)-15が負の値でない場合に、(0.54×C)-15≦D≦(0.54×C)の条件を満たし、
(0.54×C)-15が負の値の場合に、0<D≦(0.54×C)の条件を満たす、
ことを特徴とする、カラー反射型表示装置。 - 前記カラー反射型表示装置パネルのサイズは、210mm×297mm以下であることを特徴とする、請求項1のカラー反射型表示装置。
- 前記反射型表示材料層から前記カラーフィルタ層までの距離Cは、10μm以上、150μm以下であることを特徴とする、請求項1のカラー反射型表示装置。
- 基板上に、電極パターン層、反射型表示材料層、光透過性電極層、透明樹脂膜、カラーフィルタ層を順次積層して形成されるカラー反射型表示装置であって、
前記反射型表示材料層から前記カラーフィルタ層までの距離をCとし、カラー反射型表示装置パネルの長辺長をBとし、前記カラー反射型表示装置パネルと観察者との距離をAとし、前記カラーフィルタ層のインク定着画素間の距離をDとし、
(B×C÷A)-15≦D≦(B×C÷A)の条件を満たす、
ことを特徴とする、カラー反射型表示装置。 - 前記カラー反射型表示装置パネルのサイズが210mm×297mm以下の場合に、前記カラー反射型表示装置パネルと前記観察者との距離Aを500(mm)とし、
前記カラー反射型表示装置パネルのサイズが210mm×297mmより大きい場合に、前記カラー反射型表示装置パネルと前記観察者との距離Aを1000(mm)とする、
ことを特徴とする、請求項4のカラー反射型表示装置。 - 前記反射型表示材料層から前記カラーフィルタ層までの距離Cは、10μm以上、150μm以下であることを特徴とする、請求項4のカラー反射型表示装置。
- 基板の上に、電極パターン層、反射型表示材料層、光透過性電極層、透明樹脂膜、カラーフィルタ層を順次積層するカラー反射型表示装置の製造方法において、
前記反射型表示材料層から前記カラーフィルタ層までの距離をCとし、前記カラーフィルタ層のインク定着画素間の距離をDとし、
(0.54×C)-15が負の値でない場合に、(0.54×C)-15≦D≦(0.54×C)の条件を満たし、
(0.54×C)-15が負の値の場合に、0<D≦(0.54×C)の条件を満たす、
ことを特徴とする、カラー反射型表示装置の製造方法。 - 前記カラー反射型表示装置パネルのサイズは、210mm×297mm以下であることを特徴とする、請求項7の製造方法。
- 前記反射型表示材料層から前記カラーフィルタ層までの距離Cは、10μm以上、150μm以下であることを特徴とする、請求項7の製造方法。
- 前記透明樹脂膜の上に、インクジェット法を用いてインク定着層を形成し、
前記インク定着層の上に、前記カラーフィルタ層を形成する
ことを特徴とする請求項7の製造方法。 - 基板上に、電極パターン層、反射型表示材料層、光透過性電極層、透明樹脂膜、カラーフィルタ層を順次積層するカラー反射型表示装置の製造方法において、
前記反射型表示材料層から前記カラーフィルタ層までの距離をCとし、カラー反射型表示装置パネルの長辺長をB(mm)とし、前記カラー反射型表示装置パネルと観察者との距離をAとし、前記カラーフィルタ層のインク定着画素間の距離をDとし、
(B×C÷A)-15≦D≦(B×C÷A)の条件を満たす、
ことを特徴とする、カラー反射型表示装置の製造方法。 - 前記カラー反射型表示装置パネルのサイズが210mm×297mm以下の場合に、前記カラー反射型表示装置パネルと前記観察者との距離Aを500(mm)とし、
前記カラー反射型表示装置パネルのサイズが210mm×297mmより大きい場合に、前記カラー反射型表示装置パネルと前記観察者との距離Aを1000(mm)とする、
ことを特徴とする、請求項11の製造方法。 - 前記反射型表示材料層から前記カラーフィルタ層までの距離Cは、10μm以上、150μm以下であることを特徴とする、請求項11の製造方法。
- 前記透明樹脂膜の上に、インクジェット法を用いてインク定着層を形成し、
前記インク定着層の上に、前記カラーフィルタ層を形成する
ことを特徴とする請求項11の製造方法。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13765174.1A EP2829911B1 (en) | 2012-03-23 | 2013-03-19 | Color reflective display device and method for manufacturing same |
JP2014506253A JP6233299B2 (ja) | 2012-03-23 | 2013-03-19 | カラー反射型表示装置及びその製造方法 |
CN201380015308.7A CN104220927A (zh) | 2012-03-23 | 2013-03-19 | 彩色反射型显示装置及其制造方法 |
KR1020147026736A KR101986870B1 (ko) | 2012-03-23 | 2013-03-19 | 컬러 반사형 표시 장치 및 그 제조 방법 |
US14/493,602 US9383622B2 (en) | 2012-03-23 | 2014-09-23 | Color reflective display and method of manufacturing the same |
US15/181,568 US10073317B2 (en) | 2012-03-23 | 2016-06-14 | Color reflective display and method of manufacturing the same |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012068066 | 2012-03-23 | ||
JP2012-068066 | 2012-03-23 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US14/493,602 Continuation US9383622B2 (en) | 2012-03-23 | 2014-09-23 | Color reflective display and method of manufacturing the same |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2013141257A1 true WO2013141257A1 (ja) | 2013-09-26 |
Family
ID=49222714
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2013/057888 WO2013141257A1 (ja) | 2012-03-23 | 2013-03-19 | カラー反射型表示装置及びその製造方法 |
Country Status (7)
Country | Link |
---|---|
US (2) | US9383622B2 (ja) |
EP (1) | EP2829911B1 (ja) |
JP (1) | JP6233299B2 (ja) |
KR (1) | KR101986870B1 (ja) |
CN (2) | CN110376786A (ja) |
TW (1) | TWI559066B (ja) |
WO (1) | WO2013141257A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020262474A1 (ja) * | 2019-06-27 | 2020-12-30 | 富士フイルム株式会社 | 成型用加飾フィルム、成型物、及びディスプレイ |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2829911B1 (en) * | 2012-03-23 | 2019-01-23 | Toppan Printing Co., Ltd. | Color reflective display device and method for manufacturing same |
JP6304031B2 (ja) * | 2012-08-22 | 2018-04-04 | 凸版印刷株式会社 | インクジェット用インク及びカラーフィルタとその製造方法及びカラー反射型ディスプレイとその製造方法 |
CN106383424A (zh) * | 2015-07-31 | 2017-02-08 | 元太科技工业股份有限公司 | 反射式显示装置 |
US10418585B2 (en) * | 2016-05-12 | 2019-09-17 | Samsung Display Co., Ltd. | Cover unit and display device having the same |
CA3101886C (en) * | 2017-11-03 | 2023-01-03 | E Ink Corporation | Processes for producing electro-optic displays |
JP6810718B2 (ja) * | 2018-04-13 | 2021-01-06 | シャープ株式会社 | 表示装置、及び表示装置の製造方法 |
CN114624938A (zh) | 2020-12-08 | 2022-06-14 | 川奇光电科技(扬州)有限公司 | 彩色滤光层阵列及具有彩色滤光层阵列的彩色电泳显示器 |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2551783B2 (ja) | 1987-09-29 | 1996-11-06 | エヌオーケー株式会社 | 電気泳動表示装置 |
JP2000043405A (ja) * | 1998-07-27 | 2000-02-15 | Toppan Printing Co Ltd | インクジェット記録媒体及びその製造方法 |
JP2000238408A (ja) * | 1999-02-22 | 2000-09-05 | Fuji Photo Film Co Ltd | インクジェット用受像材料及びその製造方法 |
JP2008116895A (ja) * | 2006-10-12 | 2008-05-22 | Bridgestone Corp | カラーフィルター付きパネル基板の製造方法、カラーフィルター付きパネル基板および情報表示用パネル |
JP2008272972A (ja) | 2007-04-26 | 2008-11-13 | Furukawa Electric Co Ltd:The | インクジェットプリンタ用記録媒体 |
JP4207448B2 (ja) | 2002-04-02 | 2009-01-14 | 凸版印刷株式会社 | 多色表示パネルの表示方法及び多色表示パネルの製造方法 |
JP4415525B2 (ja) | 2001-09-27 | 2010-02-17 | 凸版印刷株式会社 | 反射型カラーディスプレイ用カラーフィルタおよびそれを備えた反射型カラーディスプレイ |
JP4568429B2 (ja) | 1998-07-08 | 2010-10-27 | イー インク コーポレイション | マイクロカプセル化された電気泳動デバイスにおいて改良されたカラーを得る方法 |
JP4651992B2 (ja) | 2004-08-19 | 2011-03-16 | 株式会社ブリヂストン | 電子書籍表示装置 |
JP2011095339A (ja) * | 2009-10-27 | 2011-05-12 | Bridgestone Corp | カラー表示型情報表示用パネル |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4051838B2 (ja) * | 1999-04-26 | 2008-02-27 | 王子製紙株式会社 | 被記録体及びその製造方法 |
WO2001059509A1 (fr) * | 2000-02-07 | 2001-08-16 | Sony Corporation | Dispositif d'affichage et procede de conception d'un dispositif d'affichage |
US7271863B2 (en) * | 2002-10-16 | 2007-09-18 | Nitto Denko Corporation | Color liquid crystal display with internal rear polarizer |
KR20040067274A (ko) * | 2003-01-22 | 2004-07-30 | 삼성에스디아이 주식회사 | 반사형 칼라 액정 표시장치 |
JP2006091422A (ja) * | 2004-09-24 | 2006-04-06 | Fuji Photo Film Co Ltd | 正反射光色の色相を制御した表示装置 |
JP4746933B2 (ja) * | 2005-08-01 | 2011-08-10 | Nec液晶テクノロジー株式会社 | カラー電子ペーパー表示装置 |
JP2007219403A (ja) * | 2006-02-20 | 2007-08-30 | Nanox Corp | 反射型カラー液晶表示装置及びその製造方法 |
JP5224230B2 (ja) * | 2006-04-18 | 2013-07-03 | Nltテクノロジー株式会社 | 液晶表示装置 |
JP4349426B2 (ja) * | 2007-03-19 | 2009-10-21 | セイコーエプソン株式会社 | カラーフィルター用インク、カラーフィルター、画像表示装置、および、電子機器 |
KR101388582B1 (ko) * | 2007-10-26 | 2014-04-23 | 삼성디스플레이 주식회사 | 전기 영동 표시 장치 |
JP2010127985A (ja) * | 2008-11-25 | 2010-06-10 | Bridgestone Corp | カラーフィルター基板の製造方法およびカラー情報表示用パネルの製造方法 |
TWI537660B (zh) * | 2009-05-26 | 2016-06-11 | 元太科技工業股份有限公司 | 電泳顯示裝置 |
EP2444841A4 (en) * | 2009-06-17 | 2012-12-26 | Bridgestone Corp | INFORMATION DISPLAY SCREEN |
JP2011065037A (ja) * | 2009-09-18 | 2011-03-31 | Toppan Printing Co Ltd | カラー電気泳動方式表示媒体パネル |
JP4905547B2 (ja) * | 2009-12-22 | 2012-03-28 | 凸版印刷株式会社 | カラーフィルタ基板および液晶表示装置 |
JP2011215501A (ja) * | 2010-04-01 | 2011-10-27 | Bridgestone Corp | カラー表示型情報表示用パネルの製造方法 |
KR101842585B1 (ko) * | 2010-12-30 | 2018-03-28 | 삼성디스플레이 주식회사 | 유기 발광 표시 장치 |
GB2490712B (en) * | 2011-05-11 | 2018-07-04 | Flexenable Ltd | Pixellated display devices |
CN103827742B (zh) * | 2011-09-28 | 2017-02-15 | 凸版印刷株式会社 | 电子纸及其制造方法 |
CN104204931B (zh) * | 2012-03-21 | 2018-04-27 | 凸版印刷株式会社 | 反射型彩色显示器 |
EP2829911B1 (en) * | 2012-03-23 | 2019-01-23 | Toppan Printing Co., Ltd. | Color reflective display device and method for manufacturing same |
EP2853941B1 (en) * | 2012-08-21 | 2021-08-18 | Toppan Printing Co., Ltd. | Reflection-type electrophoretic display panel and process for producing same |
-
2013
- 2013-03-19 EP EP13765174.1A patent/EP2829911B1/en active Active
- 2013-03-19 CN CN201910670060.7A patent/CN110376786A/zh active Pending
- 2013-03-19 WO PCT/JP2013/057888 patent/WO2013141257A1/ja active Application Filing
- 2013-03-19 JP JP2014506253A patent/JP6233299B2/ja active Active
- 2013-03-19 KR KR1020147026736A patent/KR101986870B1/ko active IP Right Grant
- 2013-03-19 CN CN201380015308.7A patent/CN104220927A/zh active Pending
- 2013-03-21 TW TW102110005A patent/TWI559066B/zh active
-
2014
- 2014-09-23 US US14/493,602 patent/US9383622B2/en active Active
-
2016
- 2016-06-14 US US15/181,568 patent/US10073317B2/en active Active
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2551783B2 (ja) | 1987-09-29 | 1996-11-06 | エヌオーケー株式会社 | 電気泳動表示装置 |
JP4568429B2 (ja) | 1998-07-08 | 2010-10-27 | イー インク コーポレイション | マイクロカプセル化された電気泳動デバイスにおいて改良されたカラーを得る方法 |
JP2000043405A (ja) * | 1998-07-27 | 2000-02-15 | Toppan Printing Co Ltd | インクジェット記録媒体及びその製造方法 |
JP2000238408A (ja) * | 1999-02-22 | 2000-09-05 | Fuji Photo Film Co Ltd | インクジェット用受像材料及びその製造方法 |
JP3967841B2 (ja) | 1999-02-22 | 2007-08-29 | 富士フイルム株式会社 | インクジェット用受像材料及びその製造方法 |
JP4415525B2 (ja) | 2001-09-27 | 2010-02-17 | 凸版印刷株式会社 | 反射型カラーディスプレイ用カラーフィルタおよびそれを備えた反射型カラーディスプレイ |
JP4207448B2 (ja) | 2002-04-02 | 2009-01-14 | 凸版印刷株式会社 | 多色表示パネルの表示方法及び多色表示パネルの製造方法 |
JP4651992B2 (ja) | 2004-08-19 | 2011-03-16 | 株式会社ブリヂストン | 電子書籍表示装置 |
JP2008116895A (ja) * | 2006-10-12 | 2008-05-22 | Bridgestone Corp | カラーフィルター付きパネル基板の製造方法、カラーフィルター付きパネル基板および情報表示用パネル |
JP2008272972A (ja) | 2007-04-26 | 2008-11-13 | Furukawa Electric Co Ltd:The | インクジェットプリンタ用記録媒体 |
JP2011095339A (ja) * | 2009-10-27 | 2011-05-12 | Bridgestone Corp | カラー表示型情報表示用パネル |
Non-Patent Citations (1)
Title |
---|
See also references of EP2829911A4 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020262474A1 (ja) * | 2019-06-27 | 2020-12-30 | 富士フイルム株式会社 | 成型用加飾フィルム、成型物、及びディスプレイ |
JPWO2020262474A1 (ja) * | 2019-06-27 | 2020-12-30 | ||
JP7317113B2 (ja) | 2019-06-27 | 2023-07-28 | 富士フイルム株式会社 | 成型用加飾フィルム、成型物、及びディスプレイ |
Also Published As
Publication number | Publication date |
---|---|
EP2829911B1 (en) | 2019-01-23 |
EP2829911A1 (en) | 2015-01-28 |
US20150009553A1 (en) | 2015-01-08 |
JPWO2013141257A1 (ja) | 2015-08-03 |
JP6233299B2 (ja) | 2017-11-22 |
CN104220927A (zh) | 2014-12-17 |
TW201346415A (zh) | 2013-11-16 |
US20160282697A1 (en) | 2016-09-29 |
KR20140138210A (ko) | 2014-12-03 |
US10073317B2 (en) | 2018-09-11 |
US9383622B2 (en) | 2016-07-05 |
EP2829911A4 (en) | 2015-10-21 |
KR101986870B1 (ko) | 2019-06-07 |
CN110376786A (zh) | 2019-10-25 |
TWI559066B (zh) | 2016-11-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6233299B2 (ja) | カラー反射型表示装置及びその製造方法 | |
US11209692B2 (en) | Color filter and reflective display device | |
CN102934018A (zh) | 彩色显示元件的制造方法以及彩色显示元件 | |
WO2013047360A1 (ja) | 電子ペーパーおよびその製造方法 | |
US9988544B2 (en) | Ink for inkjet, color filter, manufacturing method therefor, color reflection-type display, and manufacturing method therefor | |
KR20150066523A (ko) | 반사형 컬러 디스플레이 | |
JP6233302B2 (ja) | カラーフィルタの製造方法及びカラー反射型ディスプレイ | |
JP2018189771A (ja) | 表示装置およびその製造方法 | |
JP2017095601A (ja) | 着色インク及びカラーフィルタ及び反射型表示装置 | |
JP2013073126A (ja) | 電子ペーパーおよびその製造方法 | |
JP2018205413A (ja) | カラーフィルタ及びそれを備えた反射型表示装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 13765174 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2014506253 Country of ref document: JP Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2013765174 Country of ref document: EP |
|
ENP | Entry into the national phase |
Ref document number: 20147026736 Country of ref document: KR Kind code of ref document: A |
|
NENP | Non-entry into the national phase |
Ref country code: DE |