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An electronic paper display device and electronic equipment

A display device, electronic paper technology, applied in optical components, instruments, optics, etc., to achieve good technical effects, convenient display and erasing effects

Active Publication Date: 2022-04-15
BOE TECH GRP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of this, the purpose of the present invention is to propose an electronic paper display device and electronic equipment to solve the problems of persistence and erasure of the displayed content of the electronic paper display device

Method used

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  • An electronic paper display device and electronic equipment
  • An electronic paper display device and electronic equipment
  • An electronic paper display device and electronic equipment

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Embodiment Construction

[0037] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below in conjunction with specific embodiments and with reference to the accompanying drawings.

[0038] It should be noted that, unless otherwise defined, the technical terms or scientific terms used in the embodiments of the present invention shall have the usual meanings understood by those skilled in the art to which the present disclosure belongs. "First", "second" and similar words used in the present disclosure do not indicate any order, quantity or importance, but are only used to distinguish different components. "Comprising" or "comprising" and similar words mean that the elements or items appearing before the word include the elements or items listed after the word and their equivalents, without excluding other elements or items. Words such as "connected" or "connected" are not limited to physical or mechan...

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Abstract

The invention provides an electronic paper display device and electronic equipment. The electronic paper display device includes: a substrate; an inverse opal photonic crystal layer, which realizes the transformation from a disordered state to an ordered state based on the temperature change to realize the change of the displayed color, and realizes the transformation from the ordered state to the disordered state by water wetting The transformation of the state is used to realize the change of the displayed color; the water wetting and collecting component is used to supply water to the inverse opal photonic crystal layer and realize the water recovery function; the temperature control structure is used to control the temperature change of the inverse opal photonic crystal layer. The electronic paper display device and electronic equipment of the present invention can realize the persistence of the displayed content, and can conveniently realize the erasing of the displayed content.

Description

technical field [0001] The invention relates to the field of display technology, in particular to an electronic paper display device and electronic equipment. Background technique [0002] Electronic paper, also known as digital paper, can still maintain the original picture after power loss, has a certain memory ability, and has most of the functions of traditional paper. [0003] The electronic paper in the prior art realizes the color change through the swelling effect of water on polyacrylamide, which requires the constant presence of water to change color. After the water disappears, the swelling effect of polyacrylamide will also disappear, resulting in the restoration of the previous color. Therefore, it cannot maintain a constant color for a long time, and it is not easy to erase. Contents of the invention [0004] In view of this, the purpose of the present invention is to provide an electronic paper display device and electronic equipment to solve the problems o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B26/00
CPCG02B26/005
Inventor 王琳王瑞瑞陈华斌李兴亮宋勇志
Owner BOE TECH GRP CO LTD