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Electrochromic display panel and electronic paper

An electrochromic and display panel technology, applied in nonlinear optics, instruments, optics, etc., can solve problems such as collapse, difficult packaging, and inability to display pure black, and achieve the effect of simple structure, easy preparation, and rich display colors.

Pending Publication Date: 2020-05-08
SVG TECH GRP CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] 1) The electrochromic layer is often formed by injecting a liquid electrochromic material into the gap, which can easily cause the electrode above the gap to collapse due to pressure difference, and its packaging is difficult, and it is prone to liquid leakage, which seriously affects the electrochromic layer. The quality of the chromic display panel;
[0004] 2) It is often impossible to display pure black, or the device that displays pure black has a complex structure and slow response speed

Method used

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  • Electrochromic display panel and electronic paper
  • Electrochromic display panel and electronic paper
  • Electrochromic display panel and electronic paper

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] See Figure 5 The electrochromic display panel shown in this embodiment includes a first substrate 1-1, a white reflective layer 1-2, an adhesive layer 1-21, an electrochromic pixel array 1-3, and a first substrate 1-1 arranged sequentially from bottom to top. Two substrates 1-4, and the electrochromic pixel array 1-3 include several electrochromic units arranged in an array and independently controlled, and the electrochromic units include a black structural layer 1-31 and a color structural layer 1-32. Wherein, the black structural layer 1-31 includes a first transparent electrode 1-311, an ion storage layer 1-312, a conductive layer 1-313, a black electrochromic pixel layer 1-314, and a second transparent electrode layer 1-314 arranged sequentially from bottom to top. Electrode 1-315. The first transparent electrode 1-31 is arranged on the color structure layer 1-32. The black electrochromic pixel layer 1-314 contains several electrochromic black sub-pixel units. Wh...

Embodiment 2

[0038] See Figure 6 The electrochromic display panel shown in this embodiment includes a first substrate 2-1, a white reflective layer 2-2, an adhesive layer 2-21, an electrochromic pixel array 2-3, and a second substrate arranged sequentially from bottom to top. Two substrates 2-4, and the electrochromic pixel array 2-3 include several electrochromic units arranged in an array and independently controlled, and the electrochromic units include a black structural layer 2-31 and a color structural layer 2-32. Wherein, the black structural layer 2-31 includes a first transparent electrode 2-311, an ion storage layer 2-312, a conductive layer 2-313, a black electrochromic pixel layer 2-314, and a second transparent electrode layer 2-314 arranged sequentially from bottom to top. Electrode 2-315. The first transparent electrode 2-31 is adhered to the white reflective layer 2-2 through the adhesive layer 2-21, and the black electrochromic pixel layer 2-314 contains several electroc...

Embodiment 3

[0041] The structure of the electrochromic display panel of this embodiment is basically the same as that of Embodiment 1, the difference is that this embodiment does not set an adhesive layer, but uses a viscous white reflective layer to adhere the electrochromic pixels Arrays are simpler in structure and easier to prepare. In this embodiment, the thickness of the white reflective layer is 45 μm.

[0042] In summary: the electrochromic display panel and the electronic paper of the present invention are provided with an electrochromic pixel array between the first substrate and the second substrate, and a black structural layer and a color structural layer are arranged in the electrochromic pixel array . When the power is turned on, the black electrochromic layer becomes black, and when the power is turned off, the black electrochromic layer is transparent; the color structure layer includes several horizontally arranged red, green, and blue filters, and the electrochromic di...

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Abstract

The invention relates to an electrochromic display panel and electronic paper. The display panel comprises a first substrate, an electrochromic pixel array and a second substrate which are arranged insequence. The electrochromic pixel array comprises a plurality of electrochromic units that are arranged in an array mode and are independently controlled; wherein each electrochromic unit comprisesa black structure layer and a color structure layer, the black structure layer comprises a first electrode, a black electrochromic pixel layer and a second electrode which are sequentially arranged, the color structure layer comprises a plurality of red, green and blue optical filters which are transversely and horizontally arranged, and the color structure layer is arranged on one side of the black structure layer. The electrochromic display panel and the electronic paper not only can display black, but also can display other colors, the display colors are rich, the structure is simple, the preparation is easy, the production cost is saved, and the product quality is improved.

Description

technical field [0001] The invention relates to an electrochromic display panel and electronic paper, belonging to the field of display technology. Background technique [0002] Electrochromism (EC) refers to the phenomenon that the optical properties of materials (reflectivity, transmittance, absorptivity, etc.) undergo stable and reversible color changes under the action of an external electric field, and the appearance is manifested as color and transparency. reversible changes. Materials with electrochromic properties are called electrochromic materials, and devices made of electrochromic materials are called electrochromic devices. Electrochromic materials are one of the hotspots in material science research in recent years. Electrochromic materials are an important part of electrochromic devices, which dominate the electrochromic performance of devices. According to the structural properties of materials, electrochromic materials can be divided into anodic electroch...

Claims

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Application Information

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IPC IPC(8): G02F1/153G02F1/155G02F1/157
CPCG02F1/153G02F1/155G02F1/157
Inventor 浦东林刘艳花黄文彬陈林森
Owner SVG TECH GRP CO LTD
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