CN102289124A - Electronic paper writing device and method - Google Patents

Abstract

The method comprises the step of providing a brushing device, wherein the brushing device comprises a first brushing electrode and a second brushing electrode, the first brushing electrode and the second brushing electrode are arranged opposite to each other, and a brushing space is arranged between the first brushing electrode and the second brushing electrode. Then, the electronic paper is placed into the brushing device and is positioned in the brushing space. Then, a voltage is provided to at least one of the first and second writing electrodes to generate an electric field in the writing space. Then, the first writing electrode and the second writing electrode move relative to the electronic paper so as to write the electronic paper through the electric field in the writing space. In addition, an electronic paper writing device suitable for the method is also disclosed.

Description

Electronic paper writing device and method

technical field

The present invention relates to a brush writing device and method, and in particular to an electronic paper brush writing device and method.

Background technique

With the development of modern electronic technology, people have proposed the concept of electronic paper. The so-called electronic paper is a flexible electrophoretic display, which can be divided into micro-encapsulant electro-phoretic display and micro-cup electro-phoretic display according to the type of electrophoretic layer. Phoretic display) etc. The current common electrophoretic display is to arrange the electrophoretic layer on the thin film transistor array (thin film transistor array, TFT array) substrate, so as to use the thin film transistor to write each pixel of the electrophoretic display, so that the electrophoretic display can display a predetermined picture.

However, since thin film transistors are delicate and tiny electronic components, they are often easily damaged by external impact or bending. Therefore, the electrophoretic display with the thin film transistor array still has the problem of being inconvenient to carry.

Contents of the invention

The purpose of the present invention is to provide a method for writing electronic paper, which can be used to write electronic paper without a writing circuit, so as to reduce the production cost of electronic paper and improve its portability.

Another object of the present invention is to provide an electronic paper writing device for writing electronic paper without a writing circuit.

The present invention solves the technical problem by adopting the following technical solutions.

An electronic paper brush writing method, the method includes providing a brush writing device, wherein the brush writing device includes a first brush writing electrode and a second brush writing electrode, and the first brush writing electrode and the second brush writing electrode are arranged opposite to each other, There is a writing space between the first writing electrode and the second writing electrode. Next, put the electronic paper into the writing device and make it located in the writing space. Afterwards, a voltage is provided to at least one of the first writing electrode and the second writing electrode, and an electric field is generated in the writing space. Then, make the first writing electrode and the second writing electrode move relative to the electronic paper, so as to write the electronic paper through the electric field in the writing space.

In an embodiment of the present invention, the above-mentioned writing device includes a casing, and the first writing electrode and the second writing electrode are disposed in the casing. Moreover, the casing has a paper inlet, so in the step of inserting the electronic paper into the writing device, for example, the electronic paper is inserted through the paper inlet.

An electronic paper writing device for writing electronic paper, the electronic paper writing device includes a first writing electrode and a second writing electrode arranged opposite to each other, and the first writing electrode and the second writing electrode There is a writing space between them, and the first writing electrode and the second writing electrode move correspondingly relative to the electronic paper.

In the present invention, the horizontal direction is defined as the first axis, and the vertical direction is defined as the second axis, then the first axis and the second axis are perpendicular to each other.

In an embodiment of the present invention, the above-mentioned first writing electrode and the second writing electrode move along a first axis and a second axis relative to the electronic paper.

In an embodiment of the present invention, the electronic paper writing device further includes a first moving module, which drives the first writing electrode and the second writing electrode to move along the first axis and the second axis.

In an embodiment of the present invention, the above-mentioned electronic paper writing device further includes a second moving module, which drives the electronic paper to move along the first axis and the second axis in the above-mentioned writing space.

In an embodiment of the present invention, the electronic paper brush writing device further includes a first moving module and a second moving module. Wherein, the first moving module drives the first writing electrode and the second writing electrode to move along the first axis on the electronic paper, and the second moving module drives the electronic paper to move along the second axis in the writing space.

In an embodiment of the present invention, the above-mentioned electronic paper writing device further includes a casing, wherein the first writing electrode and the second writing electrode are arranged in the casing, and the casing has a paper inlet and a paper outlet, They are respectively located on opposite sides of the flashing space.

In an embodiment of the present invention, the above-mentioned first writing electrode and the second writing electrode are in the shape of a roller, and are used to clamp the electronic paper together.

The electronic paper brushing method proposed by the present invention can provide a picture signal to be displayed through the electronic paper brushing device in real time, so that the electronic paper displays a predetermined image. Moreover, the electronic paper itself does not need to be provided with a writing circuit, so it is not only convenient to carry, but also the manufacturing cost can be reduced accordingly.

The above description is only an overview of the technical solutions of the present invention. In order to make the above and other objects, features and advantages of the present invention more comprehensible, the preferred embodiments are specifically cited below, together with the accompanying drawings, and are described in detail as follows.

Description of drawings

FIG. 1 is a flow chart of a method for writing on electronic paper in an embodiment of the present invention.

FIG. 2 is a schematic diagram of an electronic paper brushing device in a brushing state according to an embodiment of the present invention.

FIG. 3 is a schematic diagram of an electronic paper brush writing device in an embodiment of the present invention.

Fig. 4 is a working schematic diagram of the electronic paper writing device in the first embodiment of the present invention.

FIG. 5 is a working diagram of the electronic paper brush writing device in the second embodiment of the present invention.

FIG. 6 is a working diagram of the electronic paper brush writing device in the third embodiment of the present invention.

FIG. 7 is a working diagram of the electronic paper brush writing device in the fourth embodiment of the present invention.

FIG. 8 is a working diagram of the electronic paper brush writing device in the fifth embodiment of the present invention.

FIG. 9 is a working diagram of the sixth embodiment of the device for brushing electronic paper according to the present invention.

S110～S140: Step 200: Electronic paper brush writing device 201: Paper inlet

202: Shell 203: Paper output 214: Second writing electrode

212, 712, 812, 912: the first writing electrodes

215: Writing space 300: Electronic paper 310: Base

320: display layer 330: protection layer

450, 570, 650, 670, 750, 870: mobile module

X1: first axis X2: second axis

Detailed ways

In order to further explain the technical means and functions adopted by the present invention to achieve the intended invention purpose, the following describes the specific implementation, structure, and features of the electronic paper brush writing device and method proposed according to the present invention in conjunction with the accompanying drawings and preferred embodiments. And its effect, detailed description is as follows.

FIG. 1 is a flow chart of a method for writing on electronic paper in an embodiment of the present invention. FIG. 2 is a schematic diagram of an electronic paper brushing device in a brushing state according to an embodiment of the present invention. Please refer to FIG. 1 and FIG. 2 , the method for flashing electronic paper is to provide an electronic flashing device first, as described in step S110 . The electronic paper brush writing device 200 provided in this embodiment includes at least one first brush writing electrode 212 and at least one second brush writing electrode 214, wherein the first brush writing electrode 212 and the second brush writing electrode 214 are arranged opposite to each other , so as to form a brush space 215 therebetween. In this embodiment, the electronic paper writing device 200 includes a plurality of first writing electrodes 212 and a plurality of second writing electrodes 214 , but the invention is not limited thereto.

As shown in FIG. 2 , the electronic paper brushing device 200 brushes the electronic paper 300 . Here, the electronic paper 300 is mainly composed of a substrate 310, a display layer 320 and a protective layer 330, wherein the substrate 310 is composed of a non-conductive plate, such as flexible polyimide (polyimide, PI), polyimide, etc. Diethyl terephthalate (polyethylene terephthalate, PET) or paper, etc., can also be rigid glass or polycarbonate (polycarbonate, PC), etc. The display layer 320 can be an electrophoretic layer, such as a micro-cup electro-phoretic layer or a micro-capsule electro-phoretic layer, or an electronic powder fluid display layer (quickresponse liquid powder display layer, QR-LPD layer) or electro-wetting layer (electro-wetting layer), but the present invention is not limited thereto. The protection layer 330 is disposed on the display layer 320 and may have surface properties such as surface hardening, anti-glare, anti-reflection, antibacterial, and anti-fingerprint adhesion.

Next, as described in step S120 , the electronic paper 300 is put into the electronic paper brushing device 200 and positioned in the brushing space 215 . Specifically, the electronic paper writing device 200 in this embodiment includes, for example, a casing 202 having a paper inlet 201 and a paper outlet 203 , as shown in FIG. 3 . It should be noted that FIG. 3 is only a schematic diagram for illustrating this embodiment. Although the internal structure is not shown in the figure, in fact, the first writing electrode 212 and the second writing electrode 214 in FIG. Inside the casing 202 , the paper inlet 201 and the paper outlet 203 are respectively located on opposite sides of the writing space 215 . In this embodiment, the electronic paper 300 is put into the electronic paper brushing device 200 from the paper inlet 201 , and when the electronic paper 300 is finished brushing, it will leave the electronic paper brushing device 200 through the paper outlet 203 .

Please refer to FIG. 1 and FIG. 2 again, as described in step S130, supply a voltage to at least one of the first brush electrode 212 and the second brush electrode 214, so that there is a voltage difference between the two, and in the brush space 215 generates an electric field. At this time, the molecules inside the display layer 320 of the electronic paper 300 located in the writing space 215 will be affected by the electric field to generate electrophoretic movement, and further promote the electronic paper 300 to display a predetermined image.

As described in step S140, after applying a voltage to the first writing electrode 212 and/or the second writing electrode 214, the first writing electrode 212 and the second writing electrode 214 are moved relative to the electronic paper 300, The electronic paper 300 is completely written by passing through the electric field in the writing space 215 . In particular, the present invention can move the first writing electrode 212 and the second writing electrode 214 relative to the electronic paper 300 in many different ways, and the following examples will be used to illustrate, but not to limit the present invention.

Fig. 4 is a working schematic diagram of the electronic paper writing device in the first embodiment of the present invention. Referring to FIG. 4 , the device for brushing electronic paper in this embodiment can perform writing on electronic paper in a single-point manner. That is to say, the electronic paper writing device of this embodiment only includes a first writing electrode 212 and a second writing electrode (not shown in the figure), and they move to the pixels to be written in the electronic paper 300 sequentially. above the unit. For convenience of illustration, only the first writing electrode 212 is shown in FIG. 4 , and the second writing electrode is located below the first writing electrode 212 . In detail, in this embodiment, the moving module 450 is used to drive the first writing electrode 212 and the second writing electrode to move relative to the electronic paper 300 along the first axis X1 and the second axis X2, the first axis X1 is horizontal, The second axis X2 is the longitudinal direction, and the first axis X1 and the second axis X2 are perpendicular to each other (hereinafter all have the same meaning).

From the above, it can be seen that the electronic paper 300 is fixed, and only the first brush electrode 212 and the second brush electrode are driven by the moving module 450 to move relative to the electronic paper 300 along the first axis X1 above a certain row of pixel units, so as to The pixel update signal is output to the corresponding pixel unit. Then, move to the next row along the second axis X2, and fill in the determinant signals sequentially.

FIG. 5 is a working diagram of the electronic paper brush writing device in the second embodiment of the present invention. Please refer to FIG. 5 , in this embodiment, the moving module 570 drives the electronic paper 300 to move along the first axis X1 and the second axis X2 in the writing space (not shown), and the first writing electrode 212 and a second writing electrode 212 The write electrode 214 is stationary. In other words, the difference between this embodiment and the first embodiment lies in the relative movement of the first writing electrode 212 and the second writing electrode 214 and the electronic paper 300 .

FIG. 6 is a working diagram of the third embodiment of the electronic paper writing device of the present invention. Please refer to FIG. 6 , in addition to controlling the movement of the first writing electrode 212 and the second writing electrode on the electronic paper, or controlling the movement of the electronic paper 300 relative to the first writing electrode 212 and the second writing electrode, it is also possible to simultaneously The first brush electrode 212 , the second brush electrode and the electronic paper 300 are controlled to move relative to each other. In this embodiment, the moving module 650 is used to drive the first brush writing electrode 212 and the second writing electrode 212 to move on the electronic paper 300 along the first axis X1, and the moving module 670 is used to drive the electronic paper 300 to move on the brush. The writing space 215 moves along the second axis X2. In this way, the same effect as the signal writing method described in the first embodiment can be achieved.

The foregoing embodiments are described by taking the single-point signal writing module as an example, but the present invention is not limited thereto. Examples will be given below to describe other types of signal writing modules.

FIG. 7 is a working diagram of the electronic paper brush writing device in the fourth embodiment of the present invention. Please refer to FIG. 7, the electronic paper writing device of this embodiment drives the first writing electrode 712 and the second writing electrode (not shown) to move along the first axis X1 relative to the electronic paper 300 through the moving module 750, so as to Each row of pixel units arranged along the second axis X2 of the electronic paper 300 is sequentially written.

FIG. 8 is a working diagram of the electronic paper brush writing device in the fifth embodiment of the present invention. Please refer to FIG. 8 , in this embodiment, the moving module 870 drives the electronic paper 300 to move along the first axis X1, so that the first brush electrode 812 and the second brush electrode (not shown) can sequentially brush the electronic paper 300 Each row of pixel units arranged along the second axis X2.

FIG. 9 is a working diagram of the sixth embodiment of the device for brushing electronic paper according to the present invention. Please refer to FIG. 9 , in this embodiment, the first writing electrode 912 and the second writing electrode 914 are in the shape of a roller, and are used to clamp the electronic paper 300 together, and the first writing electrode 912 and the second writing electrode 914 Rotate in the opposite direction, so that the electronic paper 300 moves in the brushing space 915 , and then completes the brushing of the electronic paper 300 .

To sum up, the electronic paper brushing method proposed by the present invention can provide the image signal to be displayed through the electronic paper brushing device in real time, so that the electronic paper can display a predetermined image. Moreover, the electronic paper itself does not need to be provided with a writing circuit, so it is not only convenient to carry, but also the manufacturing cost can be reduced accordingly.

It should be noted that, the foregoing embodiments are described by taking electronic paper displayed in black and white as an example, but it is not limited thereto. For example, the electronic paper of the present invention can be colored electronic paper, which can be configured with a color filter above the protective layer of the electronic paper to realize full-color display of the electronic paper, or to realize the display of the electronic paper in other ways. Full color of the screen.

The above description is only a preferred embodiment of the present invention, and does not limit the present invention in any form. Although the present invention has been disclosed as above with preferred embodiments, it is not intended to limit the present invention. Anyone familiar with this field Those skilled in the art, without departing from the scope of the technical solution of the present invention, may use the technical content disclosed above to make some changes or modify them into equivalent embodiments with equivalent changes, but as long as they do not depart from the technical solution of the present invention, the Technical Essence Any simple modifications, equivalent changes and modifications made to the above embodiments still fall within the scope of the technical solution of the present invention.

Claims (9)

1. an Electronic Paper is write with a brush dipped in Chinese ink method, it is characterized in that comprising:

Provide one to write with a brush dipped in Chinese ink device, this is write with a brush dipped in Chinese ink device and comprises that at least one first writes with a brush dipped in Chinese ink electrode and at least one second and write with a brush dipped in Chinese ink electrode, this first is write with a brush dipped in Chinese ink electrode and this second to write with a brush dipped in Chinese ink electrode opposite each other, and this first is write with a brush dipped in Chinese ink electrode and this second and write with a brush dipped in Chinese ink and have one between the electrode and write with a brush dipped in Chinese ink the space;

An Electronic Paper is inserted this write with a brush dipped in Chinese ink device, and be located at this and write with a brush dipped in Chinese ink in the space;

Provide voltage to this first write with a brush dipped in Chinese ink electrode and this second write with a brush dipped in Chinese ink electrode at least one of them, and in this writes with a brush dipped in Chinese ink the space, produce electric field; And

Make this first write with a brush dipped in Chinese ink electrode and second write with a brush dipped in Chinese ink electrode and move, to write with a brush dipped in Chinese ink this Electronic Paper by this electric field relative to this Electronic Paper with this.

2. Electronic Paper according to claim 1 is write with a brush dipped in Chinese ink method, it is characterized in that, this is write with a brush dipped in Chinese ink device and comprises a casing, this first is write with a brush dipped in Chinese ink electrode and this second and writes with a brush dipped in Chinese ink electrode and be disposed in this casing, and this casing has paper feed port, and this Electronic Paper is being inserted in this step of writing with a brush dipped in Chinese ink device, comprise from this paper feed port and insert this Electronic Paper.

3. an Electronic Paper is write with a brush dipped in Chinese ink device, it is characterized in that comprising:

First writes with a brush dipped in Chinese ink electrode; And

Second writes with a brush dipped in Chinese ink electrode, and this first is write with a brush dipped in Chinese ink electrode and dispose relatively, and this first writes with a brush dipped in Chinese ink electrode and this second and write with a brush dipped in Chinese ink and have one between the electrode and write with a brush dipped in Chinese ink the space, and this first is write with a brush dipped in Chinese ink electrode and second write with a brush dipped in Chinese ink electrode and move relative to an Electronic Paper with corresponding to each other with this.

4. Electronic Paper according to claim 3 is write with a brush dipped in Chinese ink device, it is characterized in that definition laterally is first, vertically is second, first mutually vertical with second, and this first is write with a brush dipped in Chinese ink electrode and second write with a brush dipped in Chinese ink electrode and move along first and second relative to this Electronic Paper with this.

5. Electronic Paper according to claim 4 is write with a brush dipped in Chinese ink device, it is characterized in that, more comprises one first mobile module, drives this and first writes with a brush dipped in Chinese ink electrode and this second and write with a brush dipped in Chinese ink electrode and move with this second along this first.

6. Electronic Paper according to claim 4 is write with a brush dipped in Chinese ink device, it is characterized in that, more comprises one second mobile module, drives this Electronic Paper and moves with this second along this first in this writes with a brush dipped in Chinese ink the space.

7. Electronic Paper according to claim 4 is write with a brush dipped in Chinese ink device, it is characterized in that, more comprises:

One first mobile module drives this and first writes with a brush dipped in Chinese ink electrode and this second and write with a brush dipped in Chinese ink electrode and move along this first; And

One second mobile module drives this Electronic Paper and moves along this second in this writes with a brush dipped in Chinese ink the space.

8. Electronic Paper according to claim 3 is write with a brush dipped in Chinese ink device, it is characterized in that, more comprise a casing, this first is write with a brush dipped in Chinese ink electrode and this second and writes with a brush dipped in Chinese ink electrode and be disposed in this casing, and this casing has paper feed port and exit slot, lays respectively at the relative both sides that this writes with a brush dipped in Chinese ink the space.

9. Electronic Paper according to claim 3 is write with a brush dipped in Chinese ink device, it is characterized in that, this first is write with a brush dipped in Chinese ink electrode and this second and write with a brush dipped in Chinese ink electrode and be the cylinder shape of this Electronic Paper of clamping jointly.

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