CN200997237Y

CN200997237Y - Writing electromagnetic pen and electronic paper

Info

Publication number: CN200997237Y
Application number: CN 200620172832
Authority: CN
Inventors: 刘迎建; 向国威
Original assignee: Hanwang Technology Co Ltd
Current assignee: Hanwang Technology Co Ltd
Priority date: 2006-12-30
Filing date: 2006-12-30
Publication date: 2007-12-26
Anticipated expiration: 2016-12-30

Abstract

An electromagnetic pen and electronic paper for writing are provided. The electronic paper comprises a transparent protection layer, a front transparent control circuit, a paper alike display film, a fixed key, a back-face control circuit, a display drive base plate with a display drive circuit, a processor, and a power source data interface. The utility model is characterized in that: the utility model also comprises an electromagnetic pen writing on the electronic paper, and an electromagnetic induction circuit distributed on the display drive base board which can sense the writing information of the electromagnetic pen.

Description

Time writer that is used to write and Electronic Paper

Technical field

The utility model relates to a kind of time writer that is used to write and Electronic Paper, belongs to the display device field.

Background technology

Electronic Paper because of its have super low consumption electrically, read easily, characteristics such as ultra-thin and ultra-light, flexibility are good, high reflectance, high-contrast, wide visual angle, progressively be applied to fields such as display, reading terminal, electronic newspaper, as this Application of Electronic Paper technology also after deliberation various ways, but do not develop the Electronic Paper that can write as yet.If the equipment of applying electronic paper needs writing function, then need to assist realization by joining processing apparatus and located in connection technology outward.

There is the electronic pen of use to finish writing function mode at present, the technology of using electronic pen to write is disclosed as Chinese patent 200510065563.X " Electronic Paper; Electronic Paper file and electronic pen ", its cardinal principle is, produce internal field jointly by electronic pen and internal electrode, internal field acts on the demonstration film, causes showing that charged colored particle shift position shows the electronic pen writing information in the film.This electronic pen input mode has increased the susceptibility of charged colored particle to external electrical field, and the outside has static just may change display message slightly, influences display performance.In addition, possibly because extraneous strong electrostatic interaction forms local highfield with internal electrode, cause showing charged colored particle fast moving in the film and suffer impact wreckage.

Summary of the invention

Technical problem to be solved in the utility model is, provides a kind of and can write on Electronic Paper and written information is entered into time writer and the Electronic Paper that data processing equipment is preserved, shown and edits.

Technical key point of the present utility model comprises Electronic Paper and time writer.Electronic Paper comprises that protective clear layer, the transparent control circuit in the place ahead, class paper show film, retainingf key, back side control circuit, display driver substrate, processor and power data interface; the display driver substrate has display driver circuit, and the electromagnetic induction circuit that distributing.Time writer is used for writing on Electronic Paper, and written information is by the electromagnetic induction circuits sense.

The beneficial effects of the utility model are, write on Electronic Paper by time writer, realize preservation, demonstration and the editor of written handwriting information, and are easy to use, and it is very little influenced by external electrical field, and display performance is stable.The utility model helps to impel Electronic Paper extensively to replace plain paper, thereby reduces the consumption of plain paper in a large number, helps energy-conserving and environment-protective.

Description of drawings

The utility model is described in further detail below in conjunction with drawings and embodiments.

Fig. 1 is the structure for amplifying synoptic diagram of the utility model Electronic Paper.

Fig. 2 be the utility model electromagnetic induction circuit theory diagram and with the interactively figure of time writer circuit, display driver circuit.

Fig. 3 is the circuit diagram of the utility model time writer.

Fig. 4 is electromagnetic transmission of electromagnetic induction circuit and receiving circuit figure in the utility model Electronic Paper.

Fig. 5 is that data processing equipment is used schematic diagram of the present utility model.

Description of reference numerals:

The 10-Electronic Paper; the 11-protective clear layer, the transparent control circuit in 12-the place ahead, 13-class paper shows film; the 14-retainingf key; 15-back side control circuit, 16-display driver substrate, 17-power data interface; 40-series emitting antenna; 41-series receiving antenna, 42-countdown circuit, 43-reception control circuit.

Embodiment

Fig. 1 is the structural representation of the Electronic Paper that the utility model proposes.Electronic Paper 10 is made up of protective clear layer 11, the transparent control circuit 12 in the place ahead, class paper demonstration film 13, retainingf key 14, back side control circuit 15, display driver substrate 16 and power data interface 17.Protective clear layer 11 is used to protect the interlock circuit in the Electronic Paper 10.The transparent control circuit 12 in the place ahead is made up of serial transparency electrode, and the general unification set potential that adopts is as zero potential.Class paper shows that film 13 evenly is coated with electronic ink material, and written information is shown by the particle position in the electric ink.Back side control circuit 15 is neatly discharged by ranks by serial small electrode to be formed, and each electrode can be controlled its current potential separately.Back side control circuit 15 forms electric field co-operate class paper with the transparent control circuit 12 in the place ahead and shows film 13.Be distributed with display driver circuit and electromagnetic induction circuit in the display driver substrate 16.Retainingf key 14 is used for fixing protective clear layer 11, the transparent control circuit 12 in the place ahead, the demonstration of class paper film 13, back side control circuit 15 and display driver substrate 16, and protection class paper shows that film 13 is not squeezed.Power data interface 17 carries out information interaction for the utility model power supply and with the external data treatment facility.

Time writer is used for writing on Electronic Paper, and its written information is by the electromagnetic induction circuits sense that distributes in the display driver substrate 16.

Fig. 2 be the utility model electromagnetic induction circuit theory diagram and with the interactively figure of time writer circuit, display driver circuit.There is processor the inside of Electronic Paper.Processor produces square wave and inserts radiating circuit, the continuous launching electromagnetic wave of radiating circuit, the time writer circuit receives the electromagnetic wave of radiating circuit emission and forms resonance signal, resonance signal continuous reflection is again given receiving circuit, the receiving circuit that receives resonance signal connects the amplification that amplifying circuit carries out signal again, insert the phase angle amplitude detection circuit then, the signal of phase angle amplitude detection circuit output inserts processor through integrating circuit again, the processor statistical data analysis, draw the positional information and the pressure information of time writer, and send this information to display driver circuit.Display driver circuit control class paper shows the displaying contents of film.

Fig. 3 is the circuit diagram of the utility model time writer.The shunt-resonant circuit that the time writer circuit mainly is made up of electric capacity, inductance.Its circuit connecting relation as shown in Figure 3, inductance L 1 parallel variable capacitor C1 and capacitor C 2, C3, C4, C5, C6, C7, two ports in parallel connect the resistance R 1 of K switch 1 and series connection respectively, form the loop, K switch 1 is the time writer side switch, serves as the function shortcut.

Fig. 4 is the electromagnetic transmission and the receiving circuit figure of electromagnetic induction circuit in the utility model Electronic Paper.40 is serial emitting antenna, and 42 is countdown circuit, and it forms the electromagnetic wave radiating circuit among Fig. 2 jointly.41 is serial receiving antenna, and 43 is reception control circuit, and it forms the electromagnetic wave receiving circuit among Fig. 2 jointly.

Fig. 5 is that data processing equipment is used schematic diagram of the present utility model.Electronic Paper is connected with the processor of data processing equipment by its power data interface, the display message of this ppu control Electronic Paper, the function that operation shows as screen removing, file demonstration, file editor, person's handwriting.Storer connects this ppu, store electrons fileinfo and handwriting information.Power supply is powered to entire equipment.USB interface connects ppu, realizes the information interaction with other data processing equipment.

Finishing drawing function with the utility model is example, and the flow process of using time writer and Electronic Paper is described.Ppu indication Electronic Paper display operation type is comprising the drawing type.The operator uses time writer to click the drawing type icon that Electronic Paper shows, click information can be caught by the electromagnetic induction circuit, the electromagnetic induction circuit sends this information to ppu by the power data interface, the current operating mode of ppu is set to Graphics Mode, and Electronic Paper shows the drawing state.The operator uses time writer to carry out various operations such as picture point, setting-out on Electronic Paper, and these operation informations all can accurately be caught by the electromagnetic induction circuit, send information to ppu by the power data interface simultaneously.Ppu is according to the drawing preset rules, and the processor in Electronic Paper sends instruction, is shown at class paper by this processor indicated number driving circuit to show corresponding graph text information on the film.

The utility model can receive and the written handwriting information of handling on Electronic Paper, catches time writer written information thereon by the electromagnetic induction circuit of Electronic Paper, finishes demonstration, preservation and the editor of written handwriting and e-file.The utility model is not subject to the influence of external electrical field, show stablize clear, can finish write, function such as drawing, have very strong practicality, help saving cost, energy savings.

Claims

1, a kind of time writer that is used to write and Electronic Paper; Electronic Paper comprises that protective clear layer, the transparent control circuit in the place ahead, class paper show film, retainingf key, back side control circuit, display driver substrate, processor and power data interface; the display driver substrate has display driver circuit; it is characterized in that; also be included in the time writer of writing on the Electronic Paper, and the electromagnetic induction circuit of the sensing time writer written information that on the display driver substrate, distributing.

2, time writer that is used to write according to claim 1 and Electronic Paper is characterized in that, the electromagnetic induction circuit comprises radiating circuit, receiving circuit, amplifying circuit, phase angle amplitude detection circuit and integrating circuit; Circuit is arranged in the time writer; Its connected mode is: processor connects radiating circuit, the electromagnetic wave and the circuit-formed resonance signal continuous reflection of time writer of radiating circuit emission are given receiving circuit, receiving circuit connects amplifying circuit again, insert the phase angle amplitude detection circuit then, the phase angle amplitude detection circuit inserts processor through integrating circuit again, and processor connects display driver circuit.