CN109581719A - With via design can selective erase liquid crystal diaphragm and liquid crystal writing device - Google Patents

With via design can selective erase liquid crystal diaphragm and liquid crystal writing device Download PDF

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Publication number
CN109581719A
CN109581719A CN201910094023.6A CN201910094023A CN109581719A CN 109581719 A CN109581719 A CN 109581719A CN 201910094023 A CN201910094023 A CN 201910094023A CN 109581719 A CN109581719 A CN 109581719A
Authority
CN
China
Prior art keywords
liquid crystal
layer
base material
conductive layer
conductive
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910094023.6A
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Chinese (zh)
Inventor
叶文新
刘伟
夏远红
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Hengkaiyuan Electronics Co Ltd
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Shenzhen Hengkaiyuan Electronics Co Ltd
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Publication date
Application filed by Shenzhen Hengkaiyuan Electronics Co Ltd filed Critical Shenzhen Hengkaiyuan Electronics Co Ltd
Priority to CN201910094023.6A priority Critical patent/CN109581719A/en
Publication of CN109581719A publication Critical patent/CN109581719A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/13338Input devices, e.g. touch panels
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/13306Circuit arrangements or driving methods for the control of single liquid crystal cells
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1343Electrodes
    • G02F1/134309Electrodes characterised by their geometrical arrangement
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means

Abstract

The invention discloses a kind of with via design can selective erase liquid crystal diaphragm and liquid crystal writing device.The liquid crystal diaphragm includes the first conductive layer, the second conductive layer, liquid crystal layer, first base material layer and the second substrate layer, and liquid crystal layer is set between first conductive layer, the second conductive layer;Second conductive layer is formed in the surface of second substrate layer, which leads to electrode, and the electrode inputs second voltage signal to second conductive layer;First conductive layer, first base material layer are divided into multiple mutually independent first conducting blocks and multiple mutually independent first base material squares respectively, first conducting block corresponds the surface for being formed in the first base material square, the center of each first base material square offers a through-hole, and conductive material is filled in the through-hole.Electric field is formed between first conducting block and the second conductive layer, the written trace in the region of the liquid crystal layer of opposite covering is wiped free of, and realizes selective erase function.

Description

With via design can selective erase liquid crystal diaphragm and liquid crystal writing device
Technical field
The present invention relates to technical field of liquid crystal display more particularly to it is a kind of with via design can selective erase liquid crystal Diaphragm and liquid crystal writing device.
Background technique
The working principle of liquid crystal writing device is, when using the object for having certain degree of hardness, such as nail, pen are in liquid crystal display When being write on material, locally it is subjected to displacement in writing position liquid crystal, the molecule arranging structure of liquid crystal is made to change, make to write Stroke is shown.But liquid crystal writing device on the market is when wiping written contents or painting, usually entirely Screen erasing, can not achieve the function of selective erase.
Summary of the invention
Technical problem to be solved by the present invention lies in provide it is a kind of with via design can selective erase liquid crystal film Piece and liquid crystal writing device, the liquid crystal diaphragm can realize selective erase function.
In order to solve the above technical problems, the present invention uses technical solution as described below:
It is a kind of with via design can selective erase liquid crystal diaphragm comprising have the first conductive layer, the second conductive layer, Liquid crystal layer, first base material layer and the second substrate layer, the liquid crystal layer are set between first conductive layer, the second conductive layer; Second conductive layer is formed in the surface of second substrate layer, which leads to electrode, and the electrode is to institute State the second conductive layer input second voltage signal;First conductive layer, first base material layer are divided into multiple mutually only respectively Vertical the first conducting block and multiple mutually independent first base material squares, first conducting block one-to-one correspondence are formed in described the The center on the surface of one substrate square, each first base material square offers a through-hole, and conduction material is filled in the through-hole Material.
Preferably, second conductive layer, the second substrate layer are divided into multiple mutually independent second conducting blocks respectively With multiple mutually independent second substrate squares, second conducting block corresponds the table for being formed in the second substrate square Face, each second conducting block independently lead to electrode, which inputs second voltage signal to second conducting block.
Preferably, first conductive layer, the second conductive layer are led using ito thin film, nano-silver thread conductive film or graphene Electrolemma.
Preferably, the first base material layer and the second substrate layer are using any one of PET, nylon, PP or PE.
Preferably, the conducting powder is one of nano-carbon powder, graphene, nano silver or any several mixture.
Preferably, the liquid crystal diaphragm includes one anti-glare AG layers, this anti-glare AG layers are set to the first base material Layer is far from the surface of first conductive layer.
A kind of liquid crystal writing device with selective erase function comprising have the blackboard eraser of an electrification and such as the above institute The liquid crystal diaphragm stated, when the blackboard eraser abuts the first base material square, the blackboard eraser passes through the first base material side The conductive material in through-hole on block inputs first voltage signal to first conducting block, and first conducting block is led with second Electric field is formed between electric layer, the written trace in the region of the liquid crystal layer of opposite covering is wiped free of.
Preferably, the blackboard eraser includes a trigger switch, when the blackboard eraser abuts the first base material square simultaneously When applying an external force to the first base material square, the trigger switch conducting, the blackboard eraser passes through the first base material square On through-hole in conductive material to first conducting block input first voltage signal.
The beneficial technical effect of the present invention lies in: it is above-mentioned with via design can selective erase liquid crystal diaphragm and liquid crystal Writing device, when the blackboard eraser of an electrification abuts the first base material square and applies an external force F to the first base material square When, the blackboard eraser inputs first to first conducting block by the conductive material in the through-hole on the first base material square Voltage signal, the polarity of the first voltage signal and second voltage signal is on the contrary, or the first voltage signal and second electric Voltage difference is formed between pressure signal.Electric field is formed between first conducting block and the second conductive layer, the liquid of opposite covering The written trace in the region of crystal layer is wiped free of, and realizes selective erase function.
Detailed description of the invention
Fig. 1 be it is of the invention with via design can selective erase liquid crystal diaphragm structural schematic diagram;
Fig. 2 be it is of the invention with via design can selective erase liquid crystal diaphragm planar structure schematic diagram;
Fig. 3 be the present invention have via design can selective erase liquid crystal diaphragm use state diagram.
Specific embodiment
To make those skilled in the art that the object, technical solutions and advantages of the present invention be more clearly understood, with Under the present invention is further elaborated in conjunction with the accompanying drawings and embodiments.
As shown in Figure 1, in an embodiment of the invention, with via design can selective erase liquid crystal diaphragm, It include the first conductive layer 10, the second conductive layer 20, liquid crystal layer 30, first base material layer 40 and the second substrate layer 50, the liquid crystal Layer 30 is set to 20 between first conductive layer 10, the second conductive layer, and first conductive layer 10 is formed in first base The surface of material layer 40, second conductive layer 20 are formed in the surface of second substrate layer 50.First conductive layer 10, Two conductive layers 20, liquid crystal layer 30, first base material layer 40 and the second substrate layer 50 are suppressed by glue bond.
Ito thin film, nano-silver thread conductive film or graphene conductive can be used in first conductive layer 10, the second conductive layer 20 The one of which of film;Any one of PET, nylon, PP or PE can be used in the first base material layer 40 and the second substrate layer 50.This In embodiment, second conductive layer 20 uses the ito thin film of black matrix, and (second conductive layer 20 can be with black matrix close to liquid crystal The mode of 30 side of layer is arranged, and can also be arranged in such a way that black matrix is far from 30 side of liquid crystal layer, and typically, described second is conductive Layer 20 is arranged in such a way that black matrix is far from 30 side of liquid crystal layer), which leads to an electrode, and the electrode is to described Second conductive layer 20 inputs second voltage signal, which can be according to actual set, which can To be a cathode voltage or a cathode voltage.First conductive layer 10 uses transparent ito thin film, first conductive layer 10 Electrodeless extraction.
As depicted in figs. 1 and 2, first conductive layer 10 is divided into multiple mutually independent first conductions by separation trough 11 Block 12, the first base material layer 40 are divided into multiple mutually independent first base material squares 41 by separation trough 11, and described first leads Electric block 12 corresponds the surface for being formed in the first base material square 41, and the center of each first base material square 41 opens up There is a through-hole 42, the aperture of the through-hole 42 can be set according to actual needs.Conductive material, the conducting powder are filled in through-hole 42 For one of nano-carbon powder, graphene, nano silver or any several mixture.
As shown in figure 3, when blackboard eraser 70 abuts the first base material square 41 and applies to the first base material square 41 When one external force F, the blackboard eraser 70 is by the conductive material in the through-hole 42 on the first base material square 41 to described first The polarity of the input first voltage signal of conducting block 12, the first voltage signal and second voltage signal is on the contrary, or described first Voltage difference is formed between voltage signal and second voltage signal.It is formed between first conducting block 12 and the second conductive layer 20 The written trace of electric field, the region of the liquid crystal layer of opposite covering is wiped free of, and realizes selective erase function.
Preferably, as shown in figure 3, second conductive layer 20 is divided into multiple mutually independent second to lead by separation trough 21 Electric block 22, second substrate layer 50 are divided into multiple mutually independent second substrate squares 51 by separation trough 21, and described second Conducting block 22 corresponds the surface for being formed in the second substrate square 51, and each second conducting block 22 independently leads to electricity Pole, each electrode input second voltage signal to each second conducting block 22, which can be according to reality Setting, the second voltage signal can be a cathode voltage or a cathode voltage.When blackboard eraser 70 abuts the first base material side Block 41 and to the first base material square 41 apply an external force F when, the blackboard eraser 70 passes through on the first base material square 41 Through-hole 42 in conductive material to first conducting block 12 input first voltage signal, the first voltage signal and second The polarity of voltage signal is on the contrary, or be formed with voltage difference between the first voltage signal and second voltage signal.Described first Electric field is formed between conducting block 12 and corresponding second conducting block 22, the written trace quilt in the region of the liquid crystal layer of opposite covering Selective erase function is realized in erasing.
Preferably, the liquid crystal diaphragm includes an anti-glare AG layer 60, which is set to described first On surface of the substrate layer 40 far from first conductive layer 10.
In an embodiment of the invention, the present invention also provides a kind of with via design can selective erase liquid crystal Writing device, the liquid crystal writing device include an electrification blackboard eraser and one with via design can selective erase liquid Epitaxial piece.It is described with via design can structure and function and Fig. 1, Fig. 2 of liquid crystal diaphragm of selective erase and shown in Fig. 3 With via design can selective erase liquid crystal diaphragm structure and function it is identical, which is not described herein again.The blackboard eraser packet A trigger switch is included, when blackboard eraser 70 abuts the first base material square and applies an external force F to the first base material square When, the blackboard eraser inputs first to first conducting block by the conductive material in the through-hole on the first base material square Voltage signal, the polarity of the first voltage signal and second voltage signal is on the contrary, or the first voltage signal and second electric Voltage difference is formed between pressure signal.Electric field is formed between first conducting block and the second conductive layer, the liquid of opposite covering The written trace in the region of crystal layer is wiped free of, and realizes selective erase function.
The above description is only a preferred embodiment of the present invention, rather than does limitation in any form to the present invention.This field Technical staff can impose various equivalent changes and improvement, all institutes within the scope of the claims on the basis of the above embodiments The equivalent variations or modification done, should all fall under the scope of the present invention.

Claims (8)

1. it is a kind of with via design can selective erase liquid crystal diaphragm, it is characterised in that: the liquid crystal diaphragm includes One conductive layer, the second conductive layer, liquid crystal layer, first base material layer and the second substrate layer, the liquid crystal layer are set to described first and lead Between electric layer, the second conductive layer;Second conductive layer is formed in the surface of second substrate layer, which draws There is electrode, the electrode inputs second voltage signal to second conductive layer;First conductive layer, first base material layer difference It is divided into multiple mutually independent first conducting blocks and multiple mutually independent first base material squares, first conducting block one The one corresponding surface for being formed in the first base material square, the center of each first base material square offer a through-hole, should Conductive material is filled in through-hole.
2. liquid crystal diaphragm as described in claim 1, it is characterised in that: second conductive layer, the second substrate layer are divided respectively Multiple mutually independent second conducting blocks and multiple mutually independent second substrate squares are cut into, second conducting block one is a pair of It should be formed in the surface of the second substrate square, each second conducting block independently leads to electrode, and the electrode is to described second Conducting block inputs second voltage signal.
3. liquid crystal diaphragm as described in claim 1, it is characterised in that: first conductive layer, the second conductive layer are thin using ITO Film, nano-silver thread conductive film or grapheme conductive film.
4. liquid crystal diaphragm as described in claim 1, it is characterised in that: the first base material layer and the second substrate layer using PET, Any one of nylon, PP or PE.
5. liquid crystal diaphragm as described in claim 1, it is characterised in that: the conducting powder is nano-carbon powder, graphene, nano silver One of or any several mixture.
6. liquid crystal diaphragm as described in any one in claim 1-5, it is characterised in that: the liquid crystal diaphragm includes an anti-glare AG layers, this anti-glare AG layers are set on surface of the first base material layer far from first conductive layer.
7. it is a kind of with via design can selective erase liquid crystal writing device, it is characterised in that: the liquid crystal writing device It include the blackboard eraser and liquid crystal diaphragm as claimed in any one of claims 1 to 6 of an electrification, when the blackboard eraser abuts institute When stating first base material square, the blackboard eraser is by the conductive material in the through-hole on the first base material square to described first Conducting block inputs first voltage signal, forms electric field between first conducting block and the second conductive layer, the liquid of opposite covering The written trace in the region of crystal layer is wiped free of.
8. liquid crystal writing device as claimed in claim 7, it is characterised in that: the blackboard eraser includes a trigger switch, when When the blackboard eraser abuts the first base material square and applies an external force to the first base material square, the trigger switch is led Logical, the blackboard eraser is electric to first conducting block input first by the conductive material in the through-hole on the first base material square Press signal.
CN201910094023.6A 2019-01-30 2019-01-30 With via design can selective erase liquid crystal diaphragm and liquid crystal writing device Pending CN109581719A (en)

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110531546A (en) * 2019-07-26 2019-12-03 深圳市唯酷光电有限公司 The cutting method and the hand-written film of liquid crystal of the hand-written film of liquid crystal
CN112426157A (en) * 2019-08-09 2021-03-02 北京海思瑞格科技有限公司 Electrode paste assembly

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5594562A (en) * 1992-02-07 1997-01-14 Kabushiki Kaisha Pilot Hand-writable polymer dispersed liquid crystal board set with high resistance layer adjacent conductive layer
US20020071077A1 (en) * 2000-08-23 2002-06-13 Tdk Corporation Anisotropic conductive film, production method thereof, and display apparatus using anisotropic film
CN207663190U (en) * 2017-11-03 2018-07-27 贾培敏 Liquid crystal board system
CN208092390U (en) * 2018-05-08 2018-11-13 深圳市德安里科技有限公司 A kind of liquid crystal board
CN108828821A (en) * 2018-06-28 2018-11-16 广州林登科技有限公司 It is a kind of can selective erase liquid crystal writing device and selective erase method
CN209570770U (en) * 2019-01-30 2019-11-01 深圳市恒开源电子有限公司 With via design can selective erase liquid crystal diaphragm and liquid crystal writing device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5594562A (en) * 1992-02-07 1997-01-14 Kabushiki Kaisha Pilot Hand-writable polymer dispersed liquid crystal board set with high resistance layer adjacent conductive layer
US20020071077A1 (en) * 2000-08-23 2002-06-13 Tdk Corporation Anisotropic conductive film, production method thereof, and display apparatus using anisotropic film
CN207663190U (en) * 2017-11-03 2018-07-27 贾培敏 Liquid crystal board system
CN208092390U (en) * 2018-05-08 2018-11-13 深圳市德安里科技有限公司 A kind of liquid crystal board
CN108828821A (en) * 2018-06-28 2018-11-16 广州林登科技有限公司 It is a kind of can selective erase liquid crystal writing device and selective erase method
CN209570770U (en) * 2019-01-30 2019-11-01 深圳市恒开源电子有限公司 With via design can selective erase liquid crystal diaphragm and liquid crystal writing device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110531546A (en) * 2019-07-26 2019-12-03 深圳市唯酷光电有限公司 The cutting method and the hand-written film of liquid crystal of the hand-written film of liquid crystal
CN112426157A (en) * 2019-08-09 2021-03-02 北京海思瑞格科技有限公司 Electrode paste assembly

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