WO2016133224A1 - Dispositif d'écriture de papier électronique de type à tambour - Google Patents

Dispositif d'écriture de papier électronique de type à tambour Download PDF

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Publication number
WO2016133224A1
WO2016133224A1 PCT/JP2016/055537 JP2016055537W WO2016133224A1 WO 2016133224 A1 WO2016133224 A1 WO 2016133224A1 JP 2016055537 W JP2016055537 W JP 2016055537W WO 2016133224 A1 WO2016133224 A1 WO 2016133224A1
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WO
WIPO (PCT)
Prior art keywords
electronic paper
drum
electrode
voltage
electrodes
Prior art date
Application number
PCT/JP2016/055537
Other languages
English (en)
Japanese (ja)
Inventor
純一 竹谷
清一郎 山口
憲一 姓本
政隆 伊藤
Original Assignee
株式会社オルガノサーキット
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社オルガノサーキット filed Critical 株式会社オルガノサーキット
Publication of WO2016133224A1 publication Critical patent/WO2016133224A1/fr

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Classifications

    • 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
    • B41J2/385—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective supply of electric current or selective application of magnetism to a printing or impression-transfer material
    • 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
    • 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

Definitions

  • the present invention relates to electronic paper, and more particularly, to a drum-type electronic paper writer in which a drum-shaped writer portion for writing voltage on the electronic paper is separated.
  • This method uses a conventional photosensitive drum for writing, and writes it on electronic paper with an electrostatic latent image formed on the surface of the photosensitive member.
  • the electrostatic latent image is obtained by charging the photosensitive member and exposing (photo writing) the surface.
  • a voltage image is formed on An apparatus using electronic paper as described above is limited in application because the system is complex and expensive. In order to use electronic paper in a wide range, it can be handled like paper, and it is desired that it be easily rewritten. In addition, lightweight and low-cost technology is eagerly desired. As for weight reduction, the material of the substrate has been studied and improved. However, if the writing portion (control circuit) is included, further weight reduction is required.
  • a writing unit controller
  • a writing electrode is integrated with the electronic paper.
  • a circuit for performing this writing, a power supply, and the like are incorporated.
  • peripheral devices and structures are costly.
  • a method of using electronic paper in a copying machine has also been proposed, but the apparatus becomes large and hinders weight reduction.
  • the present invention solves the light weight and low cost problems of such conventional electronic paper.
  • the electronic paper (display unit) and the writing unit are separately configured to realize light weight and low cost.
  • the drum-type electronic paper writer having an electronic paper portion in which a common electrode and an electronic paper material are laminated on an insulating substrate, a drum shape in which a plurality of electrodes are arranged on the surface, and a voltage applying portion
  • the drum The voltage application unit is formed by attaching a film in which electrodes are arranged in a matrix to the drum surface, and rotating the drum-shaped voltage application unit while pressing the electronic paper unit while applying a voltage to the matrix-shaped electrode.
  • the most important feature is that the voltage is applied to the electronic paper portion and an image is displayed on the electronic paper portion.
  • the most important feature of the present invention is that the electrode is connected to an active matrix circuit using an organic semiconductor.
  • the main feature of the present invention is that the drum-shaped voltage application unit rewrites the voltage applied to the electrode on the line orthogonal to the rotation direction in synchronization with the rotation of the drum.
  • the electronic paper part can be separated from the writing part, and the weight can be reduced. Further, electronic paper can be handled as a sheet having only an original display function, and inexpensive electronic paper can be realized.
  • the writing unit can be separated from the display unit into a drum shape, and a small and flexible writing unit can be realized. In particular, a large display unit can be handled by a small writing unit, and a new application such as a handy type writing on a large display unit is expected.
  • FIG. 1A is a diagram showing a schematic configuration of a first embodiment of the present invention.
  • FIG. 1B is a cross-sectional view illustrating the configuration of the drum-type writing unit and the electronic paper unit in the first embodiment.
  • FIG. 2 is a cross-sectional view showing a drum (writing unit) and electronic paper according to the present invention.
  • FIG. 3 is a diagram showing electrodes on the flexible substrate of the present invention.
  • FIG. 4 is a cross-sectional view of the active matrix electrode portion of the present invention.
  • FIG. 5 is a diagram showing the operation timing in this embodiment of the present invention.
  • FIG. 6 is a perspective view showing another embodiment.
  • FIG. 7 is a diagram showing the timing of another embodiment.
  • FIG. 8 is a view showing a cross section of the electronic paper portion of the present invention.
  • FIG. 1A is a perspective view showing the configuration of the first embodiment of the present invention.
  • a common electrode 11 is provided on the back surface of the electronic paper unit 10.
  • the writing unit 12 is formed in a drum shape.
  • a plurality of divided electrodes 201 are formed on the surface of the writing unit 12, and a potential 102 corresponding to a predetermined image is written to the electrodes.
  • the drum type writing unit 12 is rotated in the direction of the arrow 103 while being in contact with the electronic paper unit 10.
  • the electronic paper unit 10 moves in the direction of the arrow 104 in response to this rotation.
  • FIG. 1B is a cross-sectional view illustrating the configuration of the drum-type writing unit 12 and the electronic paper unit 10 in the first embodiment.
  • the drum-type writing unit 12 contacts the electronic paper unit 10.
  • the drum type writing unit 12 is made of an elastic material and presses the drum type writing unit 12 against the electronic paper unit 10 with a weak pressure. As a result, the electronic paper unit 10 and the drum-type writing device 12 can be brought into contact with each other at a certain portion 105 without damaging the electronic paper unit 10.
  • FIG. 2 is a conceptual diagram of a flexible substrate wound around the drum surface.
  • the flexible substrate 20 having the electrode 201 formed on the surface thereof is wound around the drum base material 21.
  • a controller 25 for winding the electrode 201 so as to seamlessly cover the surface of the drum base material 21 and controlling the potential of the electrode is mounted on one end of the flexible substrate, and the mounting portion is connected to the drum base through a slit 22 provided in the drum base material 20. Guided inside the material.
  • FIG. 3 shows electrodes on the flexible substrate.
  • the electrode is composed of an active matrix electrode 201 formed on the flexible substrate 200. Active matrix electrodes 201 are arranged in a matrix on the flexible substrate 200. Each active matrix electrode is connected to the source wiring 203 for each row via the thin film transistor 206 provided in each active matrix electrode, and the source wiring 203 is connected to the source driver circuit 210 of the controller 207.
  • FIG. 4 is a cross-sectional view of the active matrix electrode portion.
  • the active matrix electrode includes a plurality of thin film transistors 206-11, 12... And a plurality of pixel electrodes 201-11, 12,.
  • the thin film transistors 206-1,... Have gate electrodes 202-11, 12... Formed on the flexible substrate 200, a gate insulating film 230 formed so as to cover the gate electrodes, and a plurality of gate insulating films on the gate insulating film.
  • the timing signal 301 is a basic timing signal given from the apparatus side and is synchronized with the rotational speed of the drum.
  • a voltage is applied to a predetermined gate wiring 302-1, and the TFTs 206-11, 206-12,... Connected to the gate wiring 302-1 are turned on.
  • image data voltages D11 and D12 are written from the source wirings 203-1, 203-2,.
  • the gate wiring 302-1 is turned off, and the image data voltages D11 and D12 are held in the pixels 201-11,.
  • the drum 12 rotates while holding this voltage and the pixel electrode comes into contact with the electronic paper 10 at timings 205-11, 205-12, the common electrode 11 of the electronic paper and the pixel electrodes 201-11, 12.
  • the image data voltages D11 and D12 are applied, and the image data is written on the electronic paper 10 according to the magnitudes of the image data voltages D11 and D12.
  • an electro-swimming device using microcapsules was used as the electronic paper.
  • the active matrix electrode was driven by a thin film transistor 206 using an organic semiconductor.
  • the Ag gate electrode 202 and the Al 2 O 3 gate insulating film were laminated on the flexible substrate 200PEN.
  • the semiconductor film 204 was coated with pentacene to form Au source and drain electrodes 203 and 205, and then the pixel electrode ITO 201 was produced.
  • TFT characteristics a mobility of up to 3 cm 2 / s was obtained.
  • the resolution of the pixel electrode is 4 lines / mm, and the effective pixel area is A4 width (210 mm) ⁇ 314 mm.
  • a rubber roller having a diameter of 10 cm was used as the drum base 210.
  • a flexible substrate is mounted so as to cover the rubber roller.
  • A4 size (297 ⁇ 210 mm) was written in the long side direction (297 mm) in 10 seconds.
  • the rotation speed of the roller 12 is about 5.6 RPM.
  • the contact angle 106 between the electronic paper and the roller 12 is about 10 degrees, the contact distance 105 is about 8.6 mm, and the contact time is about 300 ms. As a result of applying and writing a potential of 20 V to the electrode, good results were obtained.
  • the writing time is 300 ms and the writing voltage is 20 V.
  • the voltage can be lowered by increasing the writing time.
  • the writing time can be lengthened by increasing the diameter of the drum or by bringing the electronic paper along the drum.
  • the effective pixel area is a flexible substrate having an A4 width (210 mm) ⁇ 314 mm, but the substrate can be shortened by reducing the drum diameter. For example, for a drum with a diameter of 5 cm, 157 mm is sufficient.
  • FIG. 6 is a perspective view showing another embodiment.
  • the drum is manually rolled on the electronic paper to transfer the image.
  • the electrode structure on the drum surface and the structure of the electronic paper are the same as those in the first embodiment. The difference is that the electronic paper is fixed, and the drum moves while rotating, and the rotation of the drum is not controlled by the device body, but manually. In this case, the drum does not rotate at a constant speed but moves at an irregular speed. For this reason, the drum speed is measured with a rotary encoder attached to the drum.
  • FIG. 7 shows a timing chart of the second embodiment.
  • a signal 401 is a basic timing signal and is output in accordance with an output signal (rotational speed) from the rotary encoder.
  • the gate signals 402-1 In accordance with the basic timing signal 401, the gate signals 402-1,. Further, data D11, D12... D21, D22... Are written in the source signals 403-11, 12,. At this time, even if the rotation speed of the drum changes, the gate signals 402-1 and 402 and the source signals 403-11 and 12 move in synchronization with the basic timing signal. Are written sequentially. (404-11, 12,... 21, 22,7) The data written on the drum surface in this way is transferred onto the electronic paper by rolling the drum against the electronic paper.
  • 8A and 8B are views showing a cross section of the electronic paper portion.
  • FIG. 8A shows the common electrode 10 and electronic paper that are produced integrally. Specifically, an electronic paper material is formed on a thin metal plate by coating, printing, vapor deposition, or the like.
  • an electronic paper material formed of microcapsules was dispersed in a binder resin and produced using printing.
  • the common electrode used was a thin plate of Al on a foil of several tens of ⁇ m.
  • the electronic paper material and the common electrode are separated.
  • an electronic paper material is placed on a metal plate (common electrode 10) and is suppressed by a drum type electronic paper writer.
  • encapsulated elements such as those in which capsules are encapsulated in a solution, electrophoresis, liquid crystal, electrowetting or the like are used. In this method, a gap 15 is generated between the common electrode 10 and the electronic paper, but the gap can be ignored by pressing the electronic paper with a drum.
  • the electronic paper part can be separated from the writing part, and the weight of the electronic paper can be reduced.
  • electronic paper can be handled as a sheet having only an original display function, and inexpensive electronic paper can be realized.
  • the electronic paper writer part into a drum shape and separating it from the electronic paper part, it can be easily carried and the application is expanded as a handy type.

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Molecular Biology (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)

Abstract

Le problème décrit par la présente invention est de concevoir une technologie à faible coût qui puisse être manipulée comme du papier et qui soit légère et mince, éliminant les inconvénients que présentent des dispositifs de papier électronique de type unitisé de dispositif d'écriture classique. Selon la présente invention, une unité de papier électronique (10) et une unité d'écriture (12) sont séparées. L'unité d'écriture (12) est conçue en forme de tambour, une tension est appliquée à des électrodes (23) formées sur l'unité d'écriture (12), une tension est appliquée à une unité d'affichage par pressage et roulage de ladite unité d'écriture en forme de tambour (12) sur l'unité de papier électronique (10) et un affichage est formé.
PCT/JP2016/055537 2015-02-18 2016-02-18 Dispositif d'écriture de papier électronique de type à tambour WO2016133224A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2015029195 2015-02-18
JP2015-029195 2015-02-18

Publications (1)

Publication Number Publication Date
WO2016133224A1 true WO2016133224A1 (fr) 2016-08-25

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000127478A (ja) * 1998-10-22 2000-05-09 Seiko Epson Corp 電子ペーパー用プリンター
JP2004525411A (ja) * 2001-03-13 2004-08-19 イー−インク コーポレイション 図面を表示するための装置
US20120274620A1 (en) * 2011-04-29 2012-11-01 Intellectual Discovery Co., Ltd. Data writing apparatus for e-paper and data writing method using the same

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000127478A (ja) * 1998-10-22 2000-05-09 Seiko Epson Corp 電子ペーパー用プリンター
JP2004525411A (ja) * 2001-03-13 2004-08-19 イー−インク コーポレイション 図面を表示するための装置
US20120274620A1 (en) * 2011-04-29 2012-11-01 Intellectual Discovery Co., Ltd. Data writing apparatus for e-paper and data writing method using the same

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