Liquid crystal writing board, control method thereof and writing system

A control method and writing board technology, which are applied in the fields of instruments, computing, electrical and digital data processing, etc., can solve problems such as the inability to display handwriting of various colors, and achieve the effect of ensuring the user experience and meeting the needs of use.

Pending Publication Date: 2022-05-13
BOE TECH GRP CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of the shortcomings of the existing methods, this application proposes a liquid crystal writing board and its control method and writing system to solve the technical problem that electronic writing display products in the prior art cannot display handwriting of various colors

Method used

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  • Liquid crystal writing board, control method thereof and writing system
  • Liquid crystal writing board, control method thereof and writing system
  • Liquid crystal writing board, control method thereof and writing system

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Embodiment Construction

[0033] The present application is described in detail below, and examples of embodiments of the present application are shown in the drawings, wherein the same or similar reference numerals denote the same or similar components or components having the same or similar functions throughout. Also, detailed descriptions of known technologies will be omitted if they are not necessary to illustrate the features of the present application. The embodiments described below by referring to the figures are exemplary only for explaining the present application, and are not construed as limiting the present application.

[0034] Those skilled in the art can understand that, unless otherwise defined, all terms (including technical terms and scientific terms) used herein have the same meanings as commonly understood by those of ordinary skill in the art to which this application belongs. It should also be understood that terms, such as those defined in commonly used dictionaries, should be ...

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Abstract

The embodiment of the invention provides a liquid crystal writing board, a control method thereof and a writing system. According to the liquid crystal writing board provided by the embodiment of the invention, the adjusting material is arranged on the liquid crystal layer, and the adjusting material can change the screw pitch of the bistable liquid crystal under the first excitation condition so as to change the wavelength range of visible light reflected by the bistable liquid crystal in the plane texture state, so that the color of handwriting displayed by the liquid crystal writing board can be changed; the liquid crystal writing board can display handwriting of different colors, diversified use requirements of users can be met, and the use experience of the users is guaranteed.

Description

technical field [0001] The present application relates to the field of display technology, in particular, the present application relates to a liquid crystal writing board, a control method thereof, and a writing system. Background technique [0002] With the development of display technology, more and more display products appear on the market, especially electronic writing display products, such as electronic tablet, the user moves by pressing on the screen, and the screen displays the information that matches the pressing movement track. Handwriting, so it is favored by users. [0003] At present, most electronic writing display products on the market use bistable liquid crystals. When the bistable liquid crystal is under pressure, it will change from a focal conic texture to a planar texture, which can reflect light with a wavelength matching the pitch of the bistable liquid crystal. Visible light, thereby displaying the corresponding handwriting. [0004] However, sin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/041G02F1/139G02F1/1333G02F1/133
CPCG06F3/04146G02F1/1391G02F1/13338G02F1/13306
Inventor 武晓娟赵宇毕谣王家星段金帅冯大伟于志强柳峰陈翠玉韩天洋
Owner BOE TECH GRP CO LTD
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