Electromagnetic pens and electronic papers for writing

Abstract

The invention relates to an electromagnetic pen and an electronic paper for writing, which belongs to display device field. The electronic paper comprises a transparent protecting layer, a front transparent control circuit, a paper-like displaying membrane, a fixing key, a back control circuit, a display driving base board, a processor and a power source data interface. The display driving base is provided with a display driving circuit and is distributed with an electromagnetic inducing circuit. The electromagnetic pen is used for writing on the electronic paper, and the written information is sensed and detected by the electromagnetic inducing circuit. The saving, display and editing of the written handwriting information are accomplished by writing on the electronic paper by the electromagnetic pen, and the external electrical field has little influence. The use is convenient, and the display has stable performance. The invention can help to urge the electronic paper to replace the common paper, thus greatly reducing consumption of common paper and being advantageous for energy saving and environment protection.

Description

technical field [0001] The invention relates to an electromagnetic pen and electronic paper for writing, belonging to the field of display devices. Background technique [0002] Electronic paper has been gradually applied to displays, reading terminals, electronic newspapers, etc. Various methods have been studied as an application technology of this electronic paper in the field, but electronic paper capable of writing has not yet been developed. If the device using electronic paper needs writing function, it needs to be assisted by external processing device and related positioning technology. [0003] At present, there are ways to use electronic pens to complete the writing function, such as Chinese patent 200510065563.X "electronic paper, electronic paper documents and electronic pens" discloses the technology of using electronic pens to write. Local electric field, the local electric field acts on the display film, causing the charged colored particles in the display ...

AI Technical Summary

Problems solved by technology

This electronic pen input method increases the sensitivity of the charged colored particles to the external electric field, and a little static electricity outside may change the display information and affect the display performance

In addition, it is likely that due to the strong electrostatic effect of the outside world, a local strong electric field will be formed with the internal electrodes, causing the charged colored particles in the display film to move rapidly and suffer collision damage.

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