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WO2024179151A1 - 一种电致变色显示面板及电子纸 - Google Patents

一种电致变色显示面板及电子纸 Download PDF

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Publication number
WO2024179151A1
WO2024179151A1 PCT/CN2023/140497 CN2023140497W WO2024179151A1 WO 2024179151 A1 WO2024179151 A1 WO 2024179151A1 CN 2023140497 W CN2023140497 W CN 2023140497W WO 2024179151 A1 WO2024179151 A1 WO 2024179151A1
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WO
WIPO (PCT)
Prior art keywords
electrochromic
substrate
layer
display panel
pixel layer
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Application number
PCT/CN2023/140497
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English (en)
French (fr)
Inventor
廖宁
Original Assignee
江西兴泰科技股份有限公司
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Publication of WO2024179151A1 publication Critical patent/WO2024179151A1/zh

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/15—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 an electrochromic effect
    • 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 
    • G02F1/15—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 an electrochromic effect
    • G02F1/153—Constructional details
    • 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 
    • G02F1/15—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 an electrochromic effect
    • G02F1/153—Constructional details
    • G02F1/1533—Constructional details structural features not otherwise provided for
    • 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 
    • G02F1/15—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 an electrochromic effect
    • G02F1/153—Constructional details
    • G02F1/155—Electrodes
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/37—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being movable elements
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/38—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using electrochromic devices
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/04—Structural and physical details of display devices
    • G09G2300/0439—Pixel structures
    • G09G2300/0452—Details of colour pixel setup, e.g. pixel composed of a red, a blue and two green components

Definitions

  • the present invention relates to the technical field of display panels, and in particular to an electrochromic display panel and electronic paper.
  • E-paper has the characteristics of ultra-low power consumption, paper-like texture, and visibility under sunlight. It has zero power consumption in static state, and the ink screen does not emit light or heat. The power supply is safe, and there is no risk of short circuit in DC power supply, which can be quickly installed in various scenarios.
  • Electrochromic materials are an important component of electrochromic devices and dominate the electrochromic performance of the device. According to the structural properties of the material, electrochromic materials can be divided into anode electrochromic materials and cathode electrochromic materials. Anode electrochromic materials and cathode electrochromic materials can be assembled into complementary electrochromic devices. However, such electrochromic display panels have slow response speed, high production cost, and large non-uniformity of the applied electric field, which affects the insulation strength of the dielectric.
  • the problem solved by the present invention is how to provide an electrochromic display panel so that the electric field between its electrodes is evenly distributed, which can display both black and other colors, improve the response speed and have rich display effects.
  • an electrochromic display panel comprising: a plurality of electrochromic units arranged in an array and independently controlled by an MCU, the electrochromic unit comprising a first substrate, a second substrate and a protective film layer arranged in sequence, the second substrate comprising a first ITO conductive layer and a second ITO conductive layer, the first ITO conductive layer comprising a first electrode connected to the first substrate, a black electrochromic pixel layer and a red electrochromic pixel layer, the second ITO conductive layer comprising a second electrode connected to the first substrate and a white electrochromic pixel layer;
  • the first electrodes and the second electrodes of the plurality of electrochromic units are respectively connected to a voltage level converter chip for driving the particles to move, and the voltage level converter chip Connected to the I/O port output end of the MCU.
  • a black electrochromic pixel layer, a red electrochromic pixel layer and a white electrochromic pixel layer are arranged in the electrochromic pixel array.
  • the black electrochromic pixel layer turns black, and when the power is off, the black electrochromic pixel layer is transparent; the electrochromic display panel displays other colors except black by combining the red electrochromic pixel layer and the white electrochromic pixel layer.
  • the electrochromic display panel can display both black and other colors, and its display colors are rich.
  • the electrodes of multiple array-arranged and independently controlled electrochromic units are connected to a voltage level converter chip for driving the movement of particles. The charged particles undergo electrophoresis by applying and switching the electric field to display the color of the current particles.
  • the first electrode and/or the second electrode is a transparent electrode.
  • the protective film layer is formed of a viscous polymer resin, and the white electrochromic pixel layer adheres to the protective film layer.
  • the black electrochromic pixel layer and the red electrochromic pixel layer are respectively any one of an organic electrochromic material, an inorganic electrochromic material or a composite electrochromic material.
  • the white electrochromic pixel layer is any one of an organic electrochromic material, an inorganic electrochromic material or a composite electrochromic material.
  • the first substrate adopts a FPL film.
  • An electronic paper comprises the electrochromic display panel as described in any one of the above solutions.
  • the present invention can arrange multiple arrays of electrochromic display panels and independently control electrochromic units, and a black electrochromic pixel layer, a red electrochromic pixel layer, and a white electrochromic pixel layer are provided in the electrochromic pixel array.
  • the black electrochromic pixel layer turns black, and when the power is off, the black electrochromic pixel layer is transparent; the electrochromic display panel displays colors other than black through the combination of the black electrochromic pixel layer, the red electrochromic pixel layer, and the white electrochromic pixel layer.
  • the electrochromic display panel can display both black and other colors, and its display colors are rich, and multiple arrays are arranged and independently controlled electrochromic units are provided.
  • the electrodes are connected to a voltage level converter chip used to drive the movement of particles.
  • a voltage level converter chip used to drive the movement of particles.
  • FIG. 1 is a schematic structural diagram of an electrochromic display panel provided in an embodiment of the present invention.
  • the present embodiment provides an electrochromic display panel, as shown in FIG1 , the present invention includes a plurality of electrochromic units arranged in an array and independently controlled by an MCU, the electrochromic unit includes a first substrate, a second substrate and a protective film layer arranged in sequence, the second substrate includes a first ITO conductive layer and a second ITO conductive layer, the first ITO conductive layer includes a first electrode connected to the first substrate, a black electrochromic pixel layer and a red electrochromic pixel layer, the second ITO conductive layer includes a second electrode connected to the first substrate and a white electrochromic pixel layer;
  • the first electrodes and the second electrodes of the plurality of electrochromic units are respectively connected to a voltage level converter chip for driving the movement of particles, and the voltage level converter chip is connected to an output end of an I/O port of the MCU.
  • the electronic paper containing the electrochromic display panel can be used on outdoor benches. Because the electronic paper is visible in the sun, it is not affected by the intensity of light.
  • the pattern display on the electronic bench is realized through the screen flash effect.
  • the principle of image display is mainly to combine the display through the electrochromic pixel layer.
  • the voltage level converter chip is controlled by the I/O port of the MCU to connect the two electrodes of the ink screen to the switch.
  • the I/O port output voltage is designed, and the charged particles undergo electrophoresis by applying and switching the electric field.
  • outdoor benches can be placed in public places such as scenic spots and wireless charging stations can be added to the surface for tourists to charge.
  • Bluetooth or wired communication is used to process images and send picture data through the host to control the display of images.
  • a variety of images can be displayed through different colors, which has strong applicability.
  • the first electrode and/or the second electrode are transparent electrodes.
  • the protective film layer is formed of a sticky polymer resin, and the white electrochromic pixel layer is adhered to the protective film layer.
  • the black electrochromic pixel layer and the red electrochromic pixel layer are respectively any one of an organic electrochromic material, an inorganic electrochromic material or a composite electrochromic material.
  • the white electrochromic pixel layer is any one of an organic electrochromic material, an inorganic electrochromic material or a composite electrochromic material.
  • the first substrate adopts FPL membrane.
  • An electronic paper comprises the electrochromic display panel in the above solution.
  • the electrochromic display panel includes a voltage balance area, a jitter area, and a display area.
  • the driving voltage of the black particles, the driving voltage of the red particles, and the driving voltage of the white particles are applied to the electrode end through the voltage level converter chip via the I/O port output end of the MCU.
  • each electrochromic unit is driven by different voltages at the electrode end, and the dotted particles are controlled to move between the first ITO conductive layer and the second ITO conductive layer.
  • the color particles we need to display move to the upper layer to display the color of the current particles.
  • the electric field between the electrodes is evenly distributed, which can display both black and other colors, and improve the response speed and have rich display effects.
  • the present invention can arrange multiple arrays of electrochromic display panels and independently control electrochromic units, and provide a black electrochromic pixel layer, a red electrochromic pixel layer, and a plurality of independently controlled electrochromic units in the electrochromic pixel array.
  • Electrochromic pixel layer and white electrochromic pixel layer When powered on, the black electrochromic pixel layer turns black, and when powered off, the black electrochromic pixel layer is transparent; the electrochromic display panel displays other colors except black by combining the black electrochromic pixel layer, the red electrochromic pixel layer and the white electrochromic pixel layer.
  • the electrochromic display panel can display both black and other colors, and its display colors are rich.
  • the electrodes of multiple array-arranged and independently controlled electrochromic units are connected to a voltage level converter chip for driving particle movement.
  • the charged particles undergo electrophoresis, displaying the color of the current particles, and making the distribution of the electric field between the two electrodes more uniform, thereby enhancing its conductivity effect and accelerating the color change effect of the color-changing layer.

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)

Abstract

一种电致变色显示面板，包括多个阵列排布且由MCU独立控制的电致变色单元，所述电致变色单元包括依次设置的第一基板、第二基板和保护膜层，所述第二基板包括第一ITO导电层和第二ITO导电层，所述第一ITO导电层包括与所述第一基板连接的第一电极、黑色电致变色像素层和红色电致变色像素层，所述第二ITO导电层包括与所述第一基板连接的第二电极和白色电致变色像素层。使电极之间电场分布均匀，既能显示黑色，又能显示其他颜色，并提高响应速度且具有丰富的显示效果。

Description

一种电致变色显示面板及电子纸 技术领域
本发明涉及显示面板技术领域，具体而言，涉及一种电致变色显示面板及电子纸。
背景技术
电子纸具有超低耗电、类纸质感、阳光下可视等特点，静态下零功耗，水墨屏不发光不发热。供电安全，直流供电无短路风险，可在各场景快速地完成安装。
电致变色材料是电致变色器件中的重要组成部分，主导着器件的电致变色性能。按照材料的结构性质，电致变色材料可分为阳极电致变色材料和阴极电致变色材料。阳极电致变色材料与阴极电致变色材料可组装成互补型电致变色器件。但这样的电致变色显示面板存在响应速度慢、生产成本高，施加的电场的不均匀性较大，从而影响电介质的绝缘强度。
发明内容
本发明解决的问题是如何提供一种电致变色显示面板，使其电极之间电场分布均匀，既能显示黑色，又能显示其他颜色，并提高响应速度且具有丰富的显示效果。
为解决上述问题，本发明提供一种电致变色显示面板，包括：多个阵列排布且由MCU独立控制的电致变色单元，所述电致变色单元包括依次设置的第一基板、第二基板和保护膜层，所述第二基板包括第一ITO导电层和第二ITO导电层，所述第一ITO导电层包括与所述第一基板连接的第一电极、黑色电致变色像素层和红色电致变色像素层，所述第二ITO导电层包括与所述第一基板连接的第二电极和白色电致变色像素层；
其中，多个所述电致变色单元的所述第一电极和所述第二电极分别与用于驱动粒子移动的电压电平转换器芯片连接，所述电压电平转换器芯片 与所述MCU的I/O口输出端连接。
在上述结构中，在电致变色像素阵列中设置黑色电致变色像素层、红色电致变色像素层和白色电致变色像素层。通电时，黑色电致变色像素层变成黑色，断电时，黑色电致变色像素层为透明色；该电致变色显示面板通过红色电致变色像素层和白色电致变色像素层结合显示除黑色外的其他颜色。该电致变色显示面板既能显示黑色，又能显示其他颜色，其显示颜色丰富，并将多个阵列排布且独立控制的电致变色单元的电极与用于驱动粒子移动的电压电平转换器芯片连接，通过施加和切换电场使带电粒子发生电泳现象，显示当前粒子的颜色。
进一步地，所述第一电极和或第二电极为透明电极。
进一步地，所述保护膜层由粘性聚合物树脂形成，所述白色电致变色像素层粘附在所述保护膜层上。
进一步地，所述黑色电致变色像素层和所述红色电致变色像素层分别为有机电致变色材料、无机电致变色材料或复合电致变色材料中的任意一种。
进一步地，所述白色电致变色像素层为有机电致变色材料、无机电致变色材料或复合电致变色材料中的任意一种。
进一步地，所述第一基板采用FPL膜片。
一种电子纸，包括如上述方案中任一项所述的电致变色显示面板。
本发明采用上述技术方案包括以下有益效果：
本发明能够通过电致变色显示面板的多个阵列排布，且独立控制的电致变色单元，在电致变色像素阵列中设置有黑色电致变色像素层、红色电致变色像素层和白色电致变色像素层。通电时，黑色电致变色像素层变成黑色，断电时，黑色电致变色像素层为透明色；该电致变色显示面板通过黑色电致变色像素层、红色电致变色像素层和白色电致变色像素层结合显示除黑色外的其他颜色。该电致变色显示面板既能显示黑色，又能显示其他颜色，其显示颜色丰富，并将多个阵列排布且独立控制的电致变色单元 的电极与用于驱动粒子移动的电压电平转换器芯片连接，通过施加和切换电场使带电粒子发生电泳现象，显示当前粒子的颜色，使两电极之间的电场的分布更均匀，从而加强其导电性效果、加快变色层的变色效果。
附图说明
图1为本发明实施例提供的电致变色显示面板的结构示意图。
具体实施方式
为使本发明的上述目的、特征和优点能够更为明显易懂，下面结合附图对本发明的具体实施例做详细的说明。
以下是本发明的具体实施例并结合附图，对本发明的技术方案作进一步的描述，但本发明并不限于这些实施例。
实施例
本实施例提供了电致变色显示面板，如图1所示，本发明包括多个阵列排布且由MCU独立控制的电致变色单元，电致变色单元包括依次设置的第一基板、第二基板和保护膜层，第二基板包括第一ITO导电层和第二ITO导电层，第一ITO导电层包括与第一基板连接的第一电极、黑色电致变色像素层和红色电致变色像素层，第二ITO导电层包括与第一基板连接的第二电极和白色电致变色像素层；
其中，多个电致变色单元的第一电极和第二电极分别与用于驱动粒子移动的电压电平转换器芯片连接，电压电平转换器芯片与MCU的I/O口输出端连接。
具体的，包含有该电致变色显示面板的电子纸可使用在户外长椅上，电子纸因为其在阳光下可视的特点，它不受光照强度的影响，通过屏闪效果，来实现电子长椅上的图案显示，图像显示的原理主要是通过电致变色像素层来组合显示，通过MCU的I/O口控制电压电平转换器芯片，将墨水屏两个电极连接到开关。设计I/O口输出电压，通过施加和切换电场使带电粒子发生电泳现象，在电致变色单元中有不同颜色的带电粒子，拿黑白电子纸膜片举例，黑色粒子带正电荷，白色粒子带负电荷，通过施加不同 的电压使我们需要显示的颜色粒子移动到上层就会显示当前粒子的颜色，根据产品特性，通过向两边施加不同的正负电压实现粒子从一边往另一边移动，从而实现渐变的效果。
具体的，将户外长椅放置在景区等公共场所也可在表面加上无线充电座，供游客充电使用，采用蓝牙或者有线通讯，通过主机处理图像下发图片数据，控制显示图像。通过不同种颜色可显示多种图像，具有较强的适用性。
其中，第一电极和或第二电极为透明电极。
其中，保护膜层由粘性聚合物树脂形成，白色电致变色像素层粘附在保护膜层上。
其中，黑色电致变色像素层和红色电致变色像素层分别为有机电致变色材料、无机电致变色材料或复合电致变色材料中的任意一种。
其中，白色电致变色像素层为有机电致变色材料、无机电致变色材料或复合电致变色材料中的任意一种。
其中，第一基板采用FPL膜片。
一种电子纸，包括上述方案中的电致变色显示面板。
参阅图1，具体的，电致变色显示面板包含电压平衡区、抖动区和显示区。通过MCU的I/O口输出端经电压电平转换器芯片在电极端施加黑色粒子的驱动电压、红色粒子的驱动电压和白色粒子的驱动电压。经过a至e次的循环，每个电致变色单元经过电极端不同电压得驱动，控制带点粒子在第一ITO导电层和第二ITO导电层之间移动，通过施加不同的电压使我们需要显示的颜色粒子移动到上层就会显示当前粒子的颜色。通过第一基板、第一ITO导电层、第二ITO导电层和保护膜层组合，使其电极之间电场分布均匀，既能显示黑色，又能显示其他颜色，并提高响应速度且具有丰富的显示效果。
本发明能够通过电致变色显示面板的多个阵列排布，且独立控制的电致变色单元，在电致变色像素阵列中设置有黑色电致变色像素层、红色电 致变色像素层和白色电致变色像素层。通电时，黑色电致变色像素层变成黑色，断电时，黑色电致变色像素层为透明色；该电致变色显示面板通过黑色电致变色像素层、红色电致变色像素层和白色电致变色像素层结合显示除黑色外的其他颜色。该电致变色显示面板既能显示黑色，又能显示其他颜色，其显示颜色丰富，并将多个阵列排布且独立控制的电致变色单元的电极与用于驱动粒子移动的电压电平转换器芯片连接，通过施加和切换电场使带电粒子发生电泳现象，显示当前粒子的颜色，使两电极之间的电场的分布更均匀，从而加强其导电性效果、加快变色层的变色效果。
虽然本公开披露如上，但本公开的保护范围并非仅限于此。本领域技术人员，在不脱离本公开的精神和范围的前提下，可进行各种变更与修改，这些变更与修改均将落入本发明的保护范围。

Claims (7)

  1. 一种电致变色显示面板，其特征在于，包括多个阵列排布且由MCU独立控制的电致变色单元，所述电致变色单元包括依次设置的第一基板、第二基板和保护膜层，所述第二基板包括第一ITO导电层和第二ITO导电层，所述第一ITO导电层包括与所述第一基板连接的第一电极、黑色电致变色像素层和红色电致变色像素层，所述第二ITO导电层包括与所述第一基板连接的第二电极和白色电致变色像素层；
    其中，多个所述电致变色单元之间的所述第一电极和所述第二电极分别与用于驱动粒子移动的电压电平转换器芯片连接，所述电压电平转换器芯片与所述MCU的I/O口输出端连接。
  2. 根据权利要求1所述的电致变色显示面板，其特征在于，所述第一电极和或第二电极为透明电极。
  3. 根据权利要求1所述的电致变色显示面板，其特征在于，所述保护膜层由粘性聚合物树脂形成，所述白色电致变色像素层粘附在所述保护膜层上。
  4. 根据权利要求1所述的电致变色显示面板，其特征在于，所述黑色电致变色像素层和所述红色电致变色像素层分别为有机电致变色材料、无机电致变色材料或复合电致变色材料中的任意一种。
  5. 根据权利要求1所述的电致变色显示面板，其特征在于，所述白色电致变色像素层为有机电致变色材料、无机电致变色材料或复合电致变色材料中的任意一种。
  6. 根据权利要求1所述的电致变色显示面板，其特征在于，所述第一基板采用FPL膜片。
  7. 一种电子纸，其特征在于，包括如权利要求1至6中任一项所述的电致变色显示面板。
PCT/CN2023/140497 2023-02-28 2023-12-21 一种电致变色显示面板及电子纸 WO2024179151A1 (zh)

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