CN111474798B - Fiber tube, textile thread, textile fabric, display device and control method thereof - Google Patents

Fiber tube, textile thread, textile fabric, display device and control method thereof Download PDF

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Publication number
CN111474798B
CN111474798B CN202010404426.9A CN202010404426A CN111474798B CN 111474798 B CN111474798 B CN 111474798B CN 202010404426 A CN202010404426 A CN 202010404426A CN 111474798 B CN111474798 B CN 111474798B
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China
Prior art keywords
electrophoretic particles
color
fiber tube
fiber
textile
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CN202010404426.9A
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Chinese (zh)
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CN111474798A (en
Inventor
程溧
黄建明
林雅宾
潘湾萍
余海龙
朱爱华
苏学臻
贾小波
荆传贺
徐东亮
翁祖允
任亮亮
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BOE Technology Group Co Ltd
Fuzhou BOE Optoelectronics Technology Co Ltd
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BOE Technology Group Co Ltd
Fuzhou BOE Optoelectronics Technology Co Ltd
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    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/165Devices 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
    • G02F1/166Devices 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
    • G02F1/167Devices 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
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/165Devices 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
    • G02F1/1675Constructional details
    • G02F1/16756Insulating layers
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/165Devices 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
    • G02F1/1675Constructional details
    • G02F1/1676Electrodes
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/165Devices 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
    • G02F1/1685Operation of cells; Circuit arrangements affecting the entire cell

Abstract

The embodiment of the invention provides a fiber tube, a textile thread, a textile, a display device and a control method thereof, which can control the color of the fiber tube, and further control patterns which can be displayed by the textile and the display device. The fiber tube comprises a transparent fiber tube body; the plurality of closed cavities are positioned in the fiber pipe body and distributed along the length direction of the fiber pipe body; and the electronic ink is filled in the closed cavity and comprises: positive electrophoretic particles, negative electrophoretic particles and transparent filling liquid; wherein the positive electrophoretic particles and the negative electrophoretic particles are different in color.

Description

Fiber tube, textile thread, textile fabric, display device and control method thereof
Technical Field
The invention relates to the technical field of display, in particular to a fiber tube, a textile thread, a textile, a display device and a control method thereof.
Background
The color change principle of the color-changeable textiles in the prior art is that the molecular structure of chemical substances for displaying color changes under the condition of temperature rise or sensitization, thereby causing the color to be displayed. The color-changeable textile has the following limitations: (1) The colors used for displaying the picture have no gray level change, and the types of the colors are limited; (2) For chemical substances with reversible color change, the displayed color changes along with the temperature or the light intensity, so that a picture to be fixedly displayed cannot be kept; for chemical substances which can keep the picture to be fixedly displayed, the color change is irreversible; (3) The pattern cannot be changed according to the requirement of the user, so that intelligent display is realized to be applied to intelligent wearable equipment.
Disclosure of Invention
Embodiments of the present invention provide a fiber tube, a textile thread, a textile fabric, a display device, and a control method thereof, which can control the color of the fiber tube, and thus control the patterns that the textile fabric and the display device can display.
In order to achieve the above purpose, the embodiment of the present invention adopts the following technical scheme:
in one aspect, an embodiment of the present invention provides a fiber tube, including: transparent fiber tube, airtight cavity and electronic ink.
The fiber tube body comprises a plurality of sealed cavities positioned in the fiber tube body, and the sealed cavities are distributed along the length direction of the fiber tube body. And the electronic ink is filled in the closed cavity and comprises: positive electrophoretic particles, negative electrophoretic particles and transparent filling liquid; wherein the positive electrophoretic particles and the negative electrophoretic particles are different in color.
Optionally, the method further comprises: and a plurality of inner cavity walls distributed at intervals along the length direction of the fiber tube body, wherein each inner cavity wall is connected with the inner surface of the fiber tube body to form a plurality of closed cavities.
Optionally, the fiber tube further comprises at least two strip-shaped electrodes arranged outside the fiber tube body, the strip-shaped electrodes extend along the length direction of the fiber tube, the at least two strip-shaped electrodes are circumferentially distributed at intervals along the fiber tube, and the at least two strip-shaped electrodes are mutually insulated from each other.
Optionally, the device further comprises an insulating layer, and the insulating layer covers the at least two strip-shaped electrodes.
The insulating layer also covers a first portion of the fiber tube body, which is the portion of the fiber tube body exposed between the at least two strip-shaped electrodes.
The embodiment of the invention also provides a textile thread, which comprises at least two fiber tubes twisted together, wherein the fiber tubes are the fiber tubes.
Optionally, each fiber tube includes one of the negative electrophoretic particles and the positive electrophoretic particles, wherein a color of one of the electrophoretic particles is a background color, and a color of the other electrophoretic particle is a primary color.
Different fiber tubes contain electrophoretic particles with different primary colors and identical electrical properties.
Optionally, the background color is white.
In the case where the negative electrophoretic particles in different ones of the fiber tubes are the same in color, the negative electrophoretic particles are white.
In the case where the positive electrophoretic particles in different ones of the fiber tubes are the same in color, the positive electrophoretic particles are white.
In yet another aspect, embodiments of the present invention provide a textile fabric made from textile threads, the textile threads being as described above.
In still another aspect, an embodiment of the present invention provides a display device, including the above-described textile, a pixel circuit layer, a common click layer, and a driving circuit.
The pixel circuit layer includes: a plurality of gate lines, a plurality of data lines, and a plurality of pixel electrodes.
The common electrode layer is positioned on one side of the textile far from the pixel circuit layer.
In yet another aspect, an embodiment of the present invention provides a driving method of a display device, where the display device is a display device as described above.
In the case where, in at least one textile line of the display device, each of the fiber tubes contains the negative electrophoretic particles and the positive electrophoretic particles, one of the colors of the electrophoretic particles is a background color, the other is a primary color, the different fiber tubes contain the electrophoretic particles of different primary colors and identical in electrical property, and the respective fiber tubes contained in the at least one textile line contain stripe-shaped electrodes, the driving method of the display device includes:
and acquiring a picture to be displayed, wherein the picture to be displayed comprises a plurality of pixel data, and each pixel data comprises sub-pixel data of different primary colors.
The common electrode layer is supplied with a common voltage.
And sequentially providing scanning signals for the grid lines, inputting data signals to corresponding pixel electrodes through data lines according to sub-pixel data of one of the primary colors under the condition that one row of grid lines is scanned, and controlling connection of each strip electrode contained in each first fiber tube, wherein each first fiber tube contains electrophoretic particles of other primary colors except one of the primary colors.
Or, in at least one textile line of the display device, the fiber tube contains the negative electrophoretic particles and the positive electrophoretic particles, wherein one of the colors of the electrophoretic particles is a background color, the other one of the colors of the electrophoretic particles is a primary color, and in the case that the fiber tube contains the electrophoretic particles with different primary colors and the same electrical property, the driving method of the display device comprises:
and acquiring a picture to be displayed, wherein the picture to be displayed comprises a plurality of sub-pixel data.
And sequentially providing scanning signals for the plurality of rows of grid lines, and inputting data signals to corresponding pixel electrodes through data lines according to the sub-pixel data under the condition that one row of grid lines is scanned.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1A is a schematic view of a fiber pipe according to an embodiment of the present invention;
FIG. 1B is a cross-sectional view taken along the direction AA' in FIG. 1A according to an embodiment of the present invention;
FIG. 2A is a schematic view of another fiber pipe according to an embodiment of the present invention;
FIG. 2B is a cross-sectional view along BB' in FIG. 2A, in accordance with an embodiment of the present invention;
FIG. 3 is a schematic view of another fiber pipe according to an embodiment of the present invention;
FIG. 4A is a schematic view of another fiber pipe according to an embodiment of the present invention;
FIG. 4B is a schematic view of another fiber tube according to an embodiment of the present invention;
FIG. 5 is a schematic view of a fiber pipe according to another embodiment of the present invention;
fig. 6 is a schematic structural diagram of a textile thread according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a display device according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a pixel circuit layer according to an embodiment of the present invention;
FIG. 9 is a diagram of an embodiment of the present invention
FIG. 10 is a cross-sectional view taken along the direction CC' of FIG. 9 provided by an embodiment of the present invention;
fig. 11 is a schematic diagram of an operating principle of a display device according to an embodiment of the present invention;
fig. 12 is a schematic diagram illustrating another working principle of a display device according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the related art, for example, a temperature-controlled color-changing garment is provided, a microcapsule temperature-controlled color-changing layer is arranged on a garment fabric layer, the microcapsule temperature-controlled color-changing layer displays different colors at different external temperatures, and the whole color-changing process is reversible. Because the external temperature is not controlled by a user, the patterns displayed by the temperature control color-changing layer are not controlled by the user; since the display color is determined after the microcapsule is encapsulated, the kind of the display color is fixed. Also, as another example, in the related art, there is provided a multifunctional color-changing laundry, which can display hidden fluorescent cloth without intelligence by providing a zipper, when the zipper is opened. As another example, in the related art, there is provided an intelligent color-changing garment, in which the color of the photothermal color-changing antibacterial layer is displayed at different external temperatures and light rays by a method of providing the photothermal color-changing antibacterial layer on the outside of the garment body, and the pattern displayed by the temperature-controlling color-changing layer is not controlled by the user because the external temperatures and light rays are not controlled by the user.
In order to solve the above-mentioned problems, an embodiment of the present invention provides a fiber tube 1, as shown in fig. 1A to 2B, comprising: a transparent fiber tube 12, a closed cavity 13 and electronic ink 14 filled in the closed cavity.
A plurality of closed cavities 13 are located inside the fiber tube 12. The plurality of closed cavities 13 are distributed along the length direction of the fiber pipe body 12; the electronic ink 14 filled in the closed cavity 13, the electronic ink 14 includes: positive electrophoretic particles 141, negative electrophoretic particles 142, and transparent filler 143; wherein the colors of the positive electrophoretic particles 141 and the negative electrophoretic particles 142 are different.
Wherein the number of the positive electrophoretic particles 141 and the negative electrophoretic particles 142 in each of the closed cells 13 is plural. Without limiting the shape of the closed cavity 13, the shape of the closed cavity 13 is exemplified as a cylinder as shown in fig. 1A and 1B, or as a sphere as shown in fig. 2A and 2B.
On this basis, the direction of the electrophoresis of the positive electrophoretic particles 141 and the negative electrophoretic particles 142 in the transparent filling liquid 143 is controlled by the electric field, and since the fiber tube body 12 is transparent, the positive electrophoretic particles 141 and the negative electrophoretic particles 142 are accumulated on the surface of the transparent fiber tube body 12 in different amounts to exhibit different colors inside the fiber tube body 12, so that by applying different electric fields around the fiber tube body 12, the color exhibited by the fiber tube 1 can be controlled, that is, the color exhibited by the fiber tube 1 can be controlled, and can include a plurality of colors, wherein different electric fields refer to at least one of the direction and the magnitude of the electric field.
Optionally, as shown in fig. 3, the fiber pipe body 12 further includes: a plurality of inner cavity walls 15 spaced apart along the length of the fiber tube body 12, each inner cavity wall 15 being connected to the inner surface 12a of the fiber tube body 12 to form a plurality of closed cavities 13.
Optionally, as shown in fig. 4A and 4B, the fiber tube 1 further includes: the fiber tube comprises at least two strip-shaped electrodes 16 arranged outside the fiber tube body, wherein the strip-shaped electrodes 16 extend along the length direction of the fiber tube 1, the at least two strip-shaped electrodes 16 are distributed at intervals along the circumferential direction of the fiber tube 1, and the at least two strip-shaped electrodes 16 are mutually insulated.
In order to ensure that the electronic ink 14 in the fiber tube 1 can be used for displaying color normally, the material of the strip electrode 16 is transparent or semitransparent. In addition, when the fiber tube body 12 in the fiber tube 1 is used for flexible display, the material of the fiber tube body 12 is a flexible material, and at this time, in order to ensure that the performance of the fiber tube body 12 is not affected when the strip electrode is manufactured on the outer surface of the fiber tube body 12, it is necessary to manufacture the strip electrode using a low-temperature process. For example, the strip electrode 16 may be fabricated using aluminum-doped zinc oxide (AZO), which may be fabricated at low temperatures (150-325 ℃) and with a minimum bend radius of up to 7mm.
For example, the number of stripe electrodes 16 in fig. 4A is 2, and the number of stripe electrodes 16 in fig. 4B is 4. The following embodiments of the present invention will be described with reference to 4 stripe electrodes 16.
Optionally, as shown in fig. 5, the fiber tube 1 further comprises an insulating layer 17, wherein the insulating layer 17 covers the at least two strip-shaped electrodes 16 and the first portion 121 of the fiber tube body 12, and the first portion 121 of the fiber tube body 12 is the portion of the fiber tube body 12 exposed between the at least two strip-shaped electrodes 16.
The insulating layer 17 is used to ensure mutual insulation between adjacent strip electrodes 16 and to protect the strip electrodes 16 from the surface of the fibre tube body 12 and the first part 121 of the fibre tube body 12, while the insulating layer 17 is used to provide support strength for the fibre tube 1. The material of the insulating layer 17 is exemplified by a transparent resin.
On the other hand, as shown in fig. 6, an embodiment of the present invention provides a textile thread 2, comprising: at least two fiber tubes 1 are kinked together, the fiber tubes 1 being fiber tubes 1 as described above.
Wherein the at least two fiber tubes 1 are twisted together means that the at least two fiber tubes 1 are combined together in a intertwining manner or that the at least two fiber tubes 1 are combined together by means of adhesive bonding.
Alternatively, in the textile thread 2, each fiber tube contains one of negative and positive electrophoretic particles, one of which is a background color and the other of which is a primary color.
Different fiber tubes contain electrophoretic particles of different primary colors and identical electrical properties.
For the same fiber tube 1, different colors can be displayed by combining two different colors of positive electrophoretic particles 141 and negative electrophoretic particles 142 together in different amounts on one side of the fiber tube 1. When at least two fiber tubes 1 are twisted together, the colors of different fiber tubes 1 may be mixed together to display another color, at which time the kind of color displayed by the textile thread 2 can be increased.
Alternatively, in the textile thread 2, the background color is white, and in the case where the negative electrophoretic particles 142 in different fiber tubes are the same in color, the negative electrophoretic particles 142 are white.
In the case where the positive electrophoretic particles 141 in different fiber tubes are the same in color, the positive electrophoretic particles 141 are white.
For example, the negative electrophoretic particles in different fiber tubes are the same in color and are all background colors; and the colors of the positive electrophoresis particles in different fiber tubes are different, and the positive electrophoresis particles are respectively different primary colors. Taking a textile thread comprising 3 fiber tubes as an example, the negative electrophoresis particles of the 3 fiber tubes are all white, and the positive electrophoresis particles in the 3 fiber tubes are respectively red, green and blue. On one side of the same fiber tube 1, white electrophoretic particles and primary color electrophoretic particles are matched in different amounts to display different gray scales of the same primary color. For example, when the textile thread 2 is formed by kinking 3 fibers 1, for the first fiber tube 1 thereof, in the case where the negative electrophoretic particles 142 are white and the positive electrophoretic particles 141 are red, red of different gray scales (i.e., different brightness) may be displayed at one side of the fiber tube 1; for the second fiber tube 1, when the negative electrophoretic particles 142 are white and the positive electrophoretic particles 141 are green, green with different gray scales (i.e., different brightness) can be displayed on one side of the fiber tube 1; in the case where the negative electrophoretic particles 142 are white and the positive electrophoretic particles 141 are blue with respect to the third fiber tube 1, blue colors of different gray scales (i.e., different brightness) can be displayed on one side of the fiber tube 1. Red of different gray scales, green of different gray scales and blue of different gray scales can be combined to form a plurality of colors.
In a further aspect, an embodiment of the present invention provides a textile 3 made of textile threads 2, the textile threads 2 being as described hereinbefore.
The textile 3 provided by the embodiment of the invention is made by spinning the textile threads 2, and the textile 3 can also display a plurality of colors because the textile threads 2 can display different colors. Further, the textile 3 may be used to display different patterns.
In yet another aspect, as shown in fig. 7, an embodiment of the present invention provides a display device. Comprising the following steps: the textile 3, the pixel circuit layer 4, the common electrode layer 5, and the driving circuit 6 as described above.
As shown in fig. 8, the pixel circuit layer 4 includes a plurality of gate lines 43 and a plurality of data lines 44, switching devices connected to the plurality of gate lines 43 and the plurality of data lines 44, and a plurality of pixel electrodes 41. Wherein a plurality of gate lines 43 and a plurality of data lines 44 are disposed to cross each other, for example, to be perpendicular to each other. The switching device may be, for example, a thin film transistor (Thin Film Transistor, TFT).
The common electrode layer 5 is located on the side of the textile 3 remote from the pixel circuit layer 4. The common electrode layer 5 and the plurality of pixel electrodes 41 are disposed opposite to each other.
The driving circuit comprises a grid driving circuit and a source driving circuit, and all grid lines are connected with the grid driving circuit. All the data lines are connected with the source electrode driving circuit.
The driving circuit also comprises a strip electrode driving circuit, and all strip electrodes on the fiber tubes are connected with the strip electrode driving circuit.
In some embodiments, the display device may further include a first substrate, and the pixel circuit layer may be disposed on the first substrate; by way of example, the first substrate may be a flexible substrate. The display device may further include a second substrate, and the common electrode layer may be disposed on the second substrate; by way of example, the second substrate may be a flexible substrate.
On the basis of this, the textile 3 is used for displaying a pattern, the driving circuit is used for controlling the textile 3, the pixel circuit layer 4 and the common electrode layer 5 are used for controlling the textile 3. The operation of the display device is described below, for example.
The textile thread 2 comprises three fiber tubes 1, the negative electrophoretic particles 141 in the three fiber tubes 1 are the same in color, and the negative electrophoretic particles 141 in the three fiber tubes 1 are all white, and the colors of the positive electrophoretic examples 142 in the three fiber tubes 1 are different, for example, the colors of the electrophoretic particles in the three fiber tubes 1 are the first color, the second color and the third color, respectively. The first color may be three primary colors for display, such as red R, green G, and blue B.
The gate lines 43 and the data lines 44 cross to define a plurality of pixels, so the pixel electrodes 41 in the array substrate 4 are arranged in an array, and the pixel electrodes 41 are electrically connected to the first electrodes of the TFTs. The gates of the TFTs in the same row of pixels are electrically connected with the gate lines, and the second poles of the TFTs summarized by the same column to Jiangsu are electrically connected with the data lines. The color of each pixel is determined by the first color, the second color and the third color, and the gray scale thereof.
Since the textile thread 2 is made by twisting the fiber tube 1 of the first color R, the fiber tube 1 of the second color G, and the fiber tube 1 of the third color B, the fiber tube 1 of the first color R, the fiber tube 1 of the second color G, and the fiber tube 1 of the third color B are interlaced together, and thus the gray scales of the first color, the second color, and the third color in each pixel cannot be controlled individually by the driving circuit. However, the gray scales of the first color, the second color, and the third color in each pixel can be controlled together by the driving circuit, and at this time, the color of each pixel can be controlled by the driving circuit, so that the screen displayed by the display device can be controlled.
Alternatively, as shown in fig. 9, when the fiber tube 1 further includes the strip electrode 16, the driving circuit 42 further includes a strip electrode driving circuit 421. At this time, the stripe electrodes 16 and the stripe electrode driving circuit 421 are electrically connected by Chip On Film (COF) technology.
Specifically, as shown in fig. 10, the insulating layer on the outer side of the strip electrode 16 is removed to expose the portion of the strip electrode 16, the portion of the strip electrode 16 exposed is directly connected with the anisotropic conductive adhesive film (Anisotropic Conductive Film, ACF) 18, the ACF18 is electrically connected with the wires in the flexible circuit board (Flexible Printed Circuit, FPC) 19 by means of hot pressing, the ACF18 is electrically connected with the strip electrode driving circuit 421, that is, the strip electrode 16 is electrically connected with the strip electrode driving circuit 421 by means of the ACF18 and the FPC 19. The stripe electrode driving circuit 421 is an integrated circuit (Integrated Circuit, IC), and the IC is directly disposed on the FPC.
In this case, since the width between the wires 191 in the FPC18 is much smaller than the width between the adjacent strip electrodes 16 in the fiber tube 1, the adjacent strip electrodes 16 are not electrically connected by the wires in the FPC 18. Illustratively, the width of the wires 191 is 0.03mm, the spacing between adjacent wires 191 is 0.02mm, and the spacing between adjacent strip electrodes 16 is 0.3mm.
On the basis, the gray scale of the first color, the second color and the third color in each pixel is independently controlled by the driving circuit, at this time, the types of the colors of the pixels formed by the first color, the second color and the third color are more, and the display device can be used for displaying pictures with richer colors.
By way of example, when the fiber tube 1 includes a strip electrode, the operation principle of the display device is described as follows.
First, the method includes the steps of. As shown in fig. 10 and 11, the fiber tube 1 includes a strip electrode 16. When the strip electrodes 16 are insulated from each other, each strip electrode 16 may be equivalent to an isolated flat plate. At this time, an electric field E is applied to both sides of the fiber tube 1, and the electric charge distribution on the strip electrode 16 is as shown in fig. 11, and the electric field E may act on the positive electrophoretic particles 141 and the negative electrophoretic particles 142 in the fiber tube 1 to control the electrophoresis of the positive electrophoretic particles 141 and the negative electrophoretic particles to control the number of the positive electrophoretic particles 141 and the negative electrophoretic particles 142 accumulated on the surface of the transparent fiber tube body 12, thereby controlling the color of the fiber tube.
As shown in fig. 10 and 12, the fiber tube 1 includes a strip electrode 16. When the strip electrodes 16 provided on the same fiber tube 1 are conducted to each other using the strip electrode 16 driving circuit, the combination of all the strip electrodes 16 can be equivalent to one conductor. At this time, the electric field E is applied to both sides of the fiber tube 1, and since all the strip electrodes are combined into one conductor, the charges on the strip electrodes 16 form a new electric field E ' by using the electrostatic shielding principle, and the electric field E ' is equal to the electric field E in size and opposite in direction, so that the electric field E ' and the electric field E can cancel each other, the electric field in the fiber tube 1 is 0, and the electric field E does not act on the positive electrophoretic particles 141 and the negative electrophoretic particles 142 in the fiber tube 1.
On the basis, the grid driving circuit controls the TFTs corresponding to all pixels of the row to be turned on by inputting a grid driving signal to one grid line, at the moment, the source driving circuit respectively inputs first color data signals to a plurality of data lines, the strip electrode driving circuit conducts strip electrodes on fiber tubes corresponding to positive electrophoresis particles of the second color, the strip electrodes on fiber tubes corresponding to positive electrophoresis particles of the third color are conducted with each other, the first color data signals can be input to the pixel electrodes, and the electrophoresis of the positive electrophoresis particles and the negative electrophoresis particles in the fiber tubes corresponding to the positive electrophoresis particles of the first color is controlled, so that the gray scale of the first color is controlled.
Because the electronic ink has bistable effect, even if the electric field controlling the electrophoresis of the positive electrophoresis particles and the negative electrophoresis particles is cancelled, the finally displayed picture can be maintained, and the driving circuit can sequentially and independently control the gray level of the second color and the gray level of the third color under the condition that the gray level of the first color is unchanged by referring to the principle.
In this way, in the case that the fiber tube further includes the strip-shaped electrode, the gray scale of the first color, the gray scale of the second color and the gray scale of the third color corresponding to each pixel can be individually controlled by the driving circuit, so as to display a more colorful picture.
In still another aspect, an embodiment of the present invention provides an intelligent wearable device, including the textile, where a user may adjust a screen displayed on the textile according to a requirement.
In still another aspect, an embodiment of the present invention provides a driving method of a display device, including the display device. In at least one textile line of the display device, each fiber tube contains negative electrophoretic particles and positive electrophoretic particles, wherein one of the colors of the electrophoretic particles is a background color, the other one of the colors of the electrophoretic particles is a primary color, the different fiber tubes contain electrophoretic particles with different primary colors and identical electrical properties, and each fiber tube of the at least one textile line contains strip-shaped electrodes, the driving method of the display device comprises:
and acquiring a picture to be displayed, wherein the picture to be displayed comprises a plurality of pixel data, and each pixel data comprises sub-pixel data of different primary colors.
The common electrode layer is supplied with a common voltage.
And sequentially providing scanning signals for the grid lines, inputting data signals to corresponding pixel electrodes through data lines according to the sub-pixel data of one of the primary colors under the condition that one row of grid lines is scanned, and controlling the connection of each strip electrode contained in each first fiber tube, wherein the first fiber tube contains electrophoretic particles of other primary colors except one of the primary colors.
For example, when the textile thread comprises three fiber tubes, each of which comprises electrophoretic particles of three colors, a first color, a second color and a third color, for example red R, green G and blue B, respectively.
Under the condition that one row of grid lines is scanned, data signals corresponding to the sub-pixel data of the first color are input to corresponding pixel electrodes through data lines according to the sub-pixel data of the first color, and the connection of strip-shaped electrodes on fiber tubes comprising the electrophoretic particles of the second color is controlled, and the connection of strip-shaped electrodes on fiber tubes comprising the electrophoretic particles of the third color is controlled. And then inputting data signals corresponding to the sub-pixel data of the second color to the corresponding pixel electrodes through the data lines according to the sub-pixel data of the second color, controlling the connection of the strip-shaped electrodes on the fiber tube comprising the electrophoretic particles of the first color, and controlling the connection of the strip-shaped electrodes on the fiber tube comprising the electrophoretic particles of the third color. And then inputting data signals corresponding to the sub-pixel data of the third color to the corresponding pixel electrodes through the data lines according to the sub-pixel data of the third color, controlling the connection of the strip-shaped electrodes on the fiber tube comprising the electrophoretic particles of the first color, and controlling the connection of the strip-shaped electrodes on the fiber tube comprising the electrophoretic particles of the second color.
For the pixels in the same row, the sub-pixel data of each primary color is written, and then the sub-pixel data of each primary color in the next row is written.
Or sequentially providing scanning signals for the multiple rows of grid lines, inputting data signals to corresponding pixel electrodes through data lines according to red sub-pixel data when the multiple rows of grid lines are scanned, and controlling each strip electrode contained in each first fiber tube to be connected with each first fiber tube and contain green and blue electrophoretic particles so as to form a red frame picture. And sequentially providing scanning signals for the plurality of rows of grid lines, inputting data signals to corresponding pixel electrodes through data lines according to green sub-pixel data under the condition that one row of grid lines are scanned, and controlling each strip electrode contained in each first fiber tube to be connected with the first fiber tube and contain red and blue electrophoretic particles so as to form a green frame picture. And sequentially providing scanning signals for the plurality of rows of grid lines, inputting data signals to corresponding pixel electrodes through data lines according to blue sub-pixel data under the condition that one row of grid lines is scanned, and controlling each strip electrode contained in each first fiber tube to be connected with each first fiber tube and contain red and green electrophoretic particles so as to form a blue frame picture. The frame pictures of red, green and blue constitute the picture to be displayed.
Or, in at least one textile line of the display device, the fiber tube contains negative electrophoretic particles and positive electrophoretic particles, wherein one of the electrophoretic particles has a background color, the other electrophoretic particle has a primary color, and when different fiber tubes contain different primary colors and electrically identical electrophoretic particles, the driving method of the display device comprises:
and acquiring a picture to be displayed, wherein the picture to be displayed comprises a plurality of sub-pixel data.
And sequentially providing scanning signals for the plurality of rows of grid lines, and inputting data signals to corresponding pixel electrodes through data lines according to the sub-pixel data under the condition that one row of grid lines is scanned.
Those of ordinary skill in the art will appreciate that: all or part of the steps for implementing the above method embodiments may be implemented by hardware associated with program instructions, where the foregoing program may be stored in a computer readable storage medium, and when executed, the program performs steps including the above method embodiments; and the aforementioned storage medium includes: various media that can store program code, such as ROM, RAM, magnetic or optical disks.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (9)

1. A textile thread, comprising: at least two fiber tubes twisted together, the fiber tubes comprising:
a transparent fiber tube;
the plurality of closed cavities are positioned in the fiber pipe body and distributed along the length direction of the fiber pipe body;
and the electronic ink is filled in the closed cavity and comprises: positive electrophoretic particles, negative electrophoretic particles and transparent filling liquid; wherein the positive electrophoretic particles and the negative electrophoretic particles are different in color;
each fiber tube comprises negative electrophoretic particles and positive electrophoretic particles, wherein the color of one electrophoretic particle is a background color, and the color of the other electrophoretic particle is a primary color;
different fiber tubes contain electrophoretic particles with different primary colors and identical electrical properties.
2. The textile thread of claim 1, wherein the fiber tube further comprises:
and a plurality of inner cavity walls distributed at intervals along the length direction of the fiber tube body, wherein each inner cavity wall is connected with the inner surface of the fiber tube body to form a plurality of closed cavities.
3. The textile thread according to claim 1 or 2, wherein the fiber tube further comprises:
the fiber tube comprises at least two strip-shaped electrodes arranged outside a fiber tube body, wherein the strip-shaped electrodes extend along the length direction of the fiber tube, the at least two strip-shaped electrodes are circumferentially distributed at intervals along the fiber tube, and the at least two strip-shaped electrodes are mutually insulated from each other.
4. The textile thread of claim 3, wherein the fiber tube further comprises:
an insulating layer covering the at least two strip electrodes;
the insulating layer also covers a first portion of the fiber tube body, which is the portion of the fiber tube body exposed between the at least two strip-shaped electrodes.
5. The textile thread as claimed in claim 1, wherein,
the background color is white;
in the case that the negative electrophoretic particles in different fiber tubes have the same color, the negative electrophoretic particles are white;
in the case where the positive electrophoretic particles in different ones of the fiber tubes are the same in color, the positive electrophoretic particles are white.
6. A textile fabric, characterized in that it is made of textile threads, said threads being as claimed in any one of claims 1 to 5.
7. A display device, comprising:
the textile of claim 6; a pixel circuit layer, a common electrode layer, and a driving circuit;
the pixel circuit layer includes: a plurality of gate lines, a plurality of data lines, and a plurality of pixel electrodes;
the common electrode layer is positioned on one side of the textile far from the pixel circuit layer.
8. A driving method of a display device according to claim 7, wherein in at least one textile line of the display device, each of the fiber tubes contains one of the negative electrophoretic particles and the positive electrophoretic particles, one of the electrophoretic particles is a background color, the other one of the electrophoretic particles is a primary color, the different fiber tubes contain electrophoretic particles of different primary colors and identical electrical properties, and each of the fiber tubes contained in the at least one textile line contains a stripe-shaped electrode, the driving method of the display device comprises:
acquiring a picture to be displayed, wherein the picture to be displayed comprises a plurality of pixel data, and each pixel data comprises sub-pixel data of different primary colors;
providing a common voltage to the common electrode layer;
and sequentially providing scanning signals for the grid lines, inputting data signals to corresponding pixel electrodes through data lines according to sub-pixel data of one of the primary colors under the condition that one row of grid lines is scanned, and controlling connection of each strip electrode contained in each first fiber tube, wherein each first fiber tube contains electrophoretic particles of other primary colors except one of the primary colors.
9. A driving method of a display device according to claim 7, wherein in at least one textile line of the display device, the fiber tube contains one of the negative and positive electrophoretic particles, one of which is a background color, and the other is a primary color, and in the case where different ones of the fiber tubes contain different primary colors and electrically identical electrophoretic particles, the driving method of the display device comprises:
acquiring a picture to be displayed, wherein the picture to be displayed comprises a plurality of sub-pixel data;
and sequentially providing scanning signals for the plurality of rows of grid lines, and inputting data signals to corresponding pixel electrodes through data lines according to the sub-pixel data under the condition that one row of grid lines is scanned.
CN202010404426.9A 2020-05-13 2020-05-13 Fiber tube, textile thread, textile fabric, display device and control method thereof Active CN111474798B (en)

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Publication number Priority date Publication date Assignee Title
JP2003280049A (en) * 2002-03-26 2003-10-02 Tdk Corp Functional fiber and textile using the same
CN101019070A (en) * 2004-09-11 2007-08-15 皇家飞利浦电子股份有限公司 Fibre, flexible display device manufactured thereform and corresponding manufacturing methods
CN101075063A (en) * 2006-05-19 2007-11-21 施乐公司 Electrophoresis display medium, component and method for using the same component to display image
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