CN206725911U - Color liquid crystal writing device - Google Patents
Color liquid crystal writing device Download PDFInfo
- Publication number
- CN206725911U CN206725911U CN201720349407.4U CN201720349407U CN206725911U CN 206725911 U CN206725911 U CN 206725911U CN 201720349407 U CN201720349407 U CN 201720349407U CN 206725911 U CN206725911 U CN 206725911U
- Authority
- CN
- China
- Prior art keywords
- liquid crystal
- electrode
- matrix
- writing device
- color liquid
- 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.)
- Active
Links
Abstract
The utility model discloses a kind of color liquid crystal writing device, including liquid crystal film, control device, the liquid crystal film includes the first matrix, first electrode, liquid crystal layer, second electrode, the second matrix and bottom plate, the first electrode is arranged on the first matrix lower surface, the second electrode is arranged on the upper surface of the second matrix, the bottom plate is arranged on the lower surface of the second matrix, the liquid crystal layer includes cholesteric liquid crystal molecules, the liquid crystal layer includes some regions, and the pitch of cholesteric liquid crystal molecules is different in adjacent area.The control device is connected with first electrode and second electrode, for applying voltage to first electrode and second electrode.Technical solutions of the utility model can scribble out the picture and text of colour, and energy-conserving and environment-protective.
Description
Technical field
It the utility model is related to liquid crystal and scribble field, more particularly to a kind of color liquid crystal writing device.
Background technology
In recent years, people utilize the characteristics such as the optical activity of cholesteric liquid crystal, selective, light scattering, circular polarization dichroism
Various new display device is have developed, liquid crystal handwriting pad is exactly make use of cholesteryl liquid crystal bistable characteristic to be developed one
Kind writing device.So-called bistable state refers to the first stable state that black or handwriting pad background color are shown because of scattering and reflection book
Write the second stable state of color.Two stable states can keep stable in the case of without extra electric field, when by certain pressure, by
The liquid crystal molecule arrangement at power position changes, and produces Bragg reflection effect, records the track of pressure.Existing liquid crystal is hand-written
Plate typically only shows monochrome, and its display effect is relatively dull.
Utility model content
Main purpose of the present utility model is to propose a kind of color liquid crystal writing device, it is intended to solves current liquid crystal writing
Device only shows the problem of monochromatic and netrual colour.
To achieve the above object, the utility model proposes a kind of color liquid crystal writing device, including liquid crystal film and with institute
The control device of liquid crystal film connection is stated, wherein,
The liquid crystal film includes the first matrix, first electrode, liquid crystal layer, second electrode, the second matrix and bottom plate, described
First electrode is arranged on the first matrix lower surface, and the second electrode is arranged on the upper surface of the second matrix, and the bottom plate is set
In the lower surface of the second matrix；The liquid crystal layer includes cholesteric liquid crystal molecules；The liquid crystal layer includes some regions, adjacent region
The pitch of cholesteric liquid crystal molecules described in domain is different；
The control device is connected with first electrode and second electrode, for applying electricity to first electrode and second electrode
Pressure.
Preferably, some regions are some strip regions of cross direction profiles.
Preferably, some regions are some strip regions of genesis analysis.
Preferably, some regions are some ring-shaped areas being distributed centered on described liquid crystal layer any point to surrounding
Domain.
Preferably, first matrix and the second basic material are PET film, and the outer surface of first matrix is writing
Surface, the first electrode and second electrode are ITO electrode.
Preferably, the control device includes button and the power module being connected with button.
Preferably, the color liquid crystal writing device also connects the housing with support liquid crystal film including frame, and the liquid crystal is thin
Film is arranged on the front of housing.
Preferably, the housing includes the blind hole of setting on the housing and the correction pen being plugged in the blind hole.
The courage that the utility model color liquid crystal writing device passes through a variety of different pitch of subregion filling in liquid crystal film
Steroid type liquid crystal molecule, and in adjacent area cholesteric liquid crystal molecules pitch it is different, scribble table when pressure is applied to liquid crystal film
The different zones in face, then show the vestige of different colours.Cholesteric liquid crystal molecules have bistable state, color liquid crystal writing simultaneously
Device need to only be powered when wiping content, energy-conserving and environment-protective.
Brief description of the drawings
Fig. 1 is the structural representation of liquid crystal film in the embodiment of the utility model one；
Fig. 2 is the structural representation of color liquid crystal writing device in the embodiment of the utility model one；
Fig. 3 is the filling region division schematic diagram of liquid crystal layer in the embodiment of the utility model one；
Fig. 4 is the filling region division schematic diagram of liquid crystal layer in the another embodiment of the utility model；
Fig. 5 is the filling region division schematic diagram of liquid crystal layer in the another embodiment of the utility model；
Fig. 6 is the filling region division schematic diagram of liquid crystal layer in the another embodiment of the utility model.
Realization, functional characteristics and the advantage of the utility model purpose will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe.Obviously, described embodiment is only part of the embodiment of the present utility model, rather than all
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belong to the scope of the utility model protection.
The utility model proposes a kind of color liquid crystal writing device, referring to Fig.1 and 2, the color liquid crystal writing device
Including liquid crystal film 1 and control device 3.Wherein, the liquid crystal film 1 include the first matrix 11, first electrode 13, liquid crystal layer 10,
Second electrode 14, the second matrix 12 and bottom plate 15.First electrode 13 is arranged on the lower surface of the first matrix 11, and second electrode 14 is set
Put in the upper surface of the second matrix 12, bottom plate 15 is arranged on the lower surface of the second matrix 12.First matrix 11 and the second matrix 12
For supporting and protecting first electrode 13 and second electrode 14, and the first matrix 11, first electrode 13, second electrode 14 and second
Matrix 12 is the transparent body.Bottom plate 15 is used to support attachment liquid crystal film 1, and the bottom plate 15 should be opaque body, while bottom plate
15 towards the surface of the second matrix 12 preferably dark color, for the background color as color liquid crystal writing device, with lifting display
Contrast.The liquid crystal layer 10 for including cholesteric liquid crystal molecules is filled between first electrode 13 and second electrode 14, the liquid crystal
Layer 10 includes some regions, and the pitch in adjacent area between cholesteric liquid crystal molecules is different.
According to the characteristic of cholesteric liquid crystal molecules, when there is external force to act on the first matrix 11, the first matrix 11 occurs
Liquid crystal layer 10 is extruded after deformation, liquid crystal layer 10 is changed into the second stable state from the first stable state, so as to reflect the light in the external world, is formed visible
Vestige.Generally, the big of its pitch can be adjusted by adding the chiral dope of various dose or type in cholesteric liquid crystal molecules
Small, the cholesteric liquid crystal molecules of different pitch can reflect the light of different colours.In the utility model embodiment, one can be adjusted
The liquid crystal molecule pitch in region makes its display color be R (red), and the liquid crystal molecule display color close to red display region is G
(green), the liquid crystal molecule display color close to green viewing area are B (blueness), and a R, G, B area are combined as one and shown
Show unit, multiple display units form liquid crystal display layer 10.Because the color of the light of the adjacent area of liquid crystal layer 10 reflection is different, because
This can form a colored vestige.
In the utility model embodiment, control device 3 is connected with first electrode 13 and second electrode 14 respectively, for
One electrode 13 and second electrode 14 apply voltage, and apply voltage to liquid crystal layer 10 by first electrode 13 and second electrode 14,
Liquid crystal layer 10 can be changed into the first stable state from the second stable state after application of a voltage, it is achieved thereby that the erasing of written trace.
In the above-described embodiments, control device 3 specifically includes button and the power module being connected with button.Power module
It is preferred that rechargeable battery, power module is connected with electrode, and apply voltage by key control electric power source pair of module electrode applies to wipe
Write the graph-text content on plate.Further, control device 3 may also include power interface and be used to connect external power source, can give electricity
Source module charges.Control device 3 can also control external power source to apply voltage to electrode.Liquid crystal writing device is in use
Power module need not be replaced as frequently as, moreover it is possible to charged under non-working condition.
In the above-described embodiments, liquid crystal layer 10 can be by following regular partition region：
1st, as shown in figure 3, liquid crystal film 1 from top to bottom it is longitudinally divided go out multiple strip regions；
2nd, as shown in figure 4, liquid crystal film 1 laterally marks off multiple strip regions from left to right；
3rd, as shown in figure 5, multiple ring-types or semi-ring can also be marked off to surrounding centered on any point in liquid crystal layer 10
Shape region；
4th, as shown in fig. 6, can also the random division of liquid crystal film 1 go out multiple boxed areas.
Cholesteric liquid crystal molecules can be filled in different zones, and cholesteric in each adjacent area in the way of shown in figure
The pitch of liquid crystal molecule is different, scribbles the different zones on surface when external force acts on, will leave the vestige of different colours.It is worth
It is noted that the distribution of liquid crystal molecule, is not limited only to above-mentioned four kinds, can arrange out different patterns according to demand.
In the above-described embodiments, the material of 11 and second matrix of the first matrix 12 is preferably PET film, and the first matrix 11
Upper surface to scribble surface, first electrode 13 and second electrode 14 are preferably ITO electrodes.PET intensity is high, and translucency is splendid,
For protecting and being bonded electrode；Again because of its wearability height, very suitable the first matrix 11 as the direct contact action object of appearance；
Its service life is grown, and scribbles surface and will not leave behind the marking.ITO electrode has good translucency and electric conductivity, as liquid crystal
Electrode its translucent effect in film 1 is fine.
In the above-described embodiments, color liquid crystal writing device also connects and the housing of support liquid crystal film 12, liquid crystal including frame
Film 1 is arranged on the front of housing 2.Liquid crystal film 1 belongs to flexible membrane, is easily deformed in the presence of external force, the material of housing 2
The engineering plastics of fine quality for selecting hard, liquid crystal film 1 are laid in housing 2, and (shape such as fall when by lateral external force effect
State), because the protection of housing 2 can also keep indeformable.
In the above-described embodiments, housing 2 also includes the blind hole 20 for being arranged on end, and correction pen 21.The energy of correction pen 21
The writing style of user is catered to, Consumer's Experience is more preferably.Blind hole 20 is used to accommodate correction pen 21.When having use demand, user
Correction pen 21 can be extracted out from blind hole, be turned back to using finishing, then by correction pen 21 in blind hole 20, it is not easy to lose, next time makes
With more convenient.
Preferred embodiment of the present utility model is these are only, not thereby limits the scope of the claims of the present utility model, it is every
Under utility model of the present utility model design, the equivalent structure made using the utility model specification and accompanying drawing content is become
Change, or directly/be used in other related technical areas indirectly and be included in scope of patent protection of the present utility model.
Claims (8)
- A kind of 1. color liquid crystal writing device, it is characterised in that the control being connected including liquid crystal film and with the liquid crystal film Device, wherein,The liquid crystal film includes the first matrix, first electrode, the liquid crystal layer containing cholesteric liquid crystal molecules, second electrode, the Two matrixes and bottom plate, the first electrode are arranged on the first matrix lower surface, and the second electrode is arranged on the upper of the second matrix Surface, the bottom plate are arranged on the lower surface of the second matrix；The liquid crystal layer includes some regions, cholesteric described in adjacent area Pitch between type liquid crystal molecule is different；The control device is connected with first electrode and second electrode, for applying voltage to first electrode and second electrode.
- 2. color liquid crystal writing device as claimed in claim 1, it is characterised in that if some regions are cross direction profiles Dry strip region.
- 3. color liquid crystal writing device as claimed in claim 1, it is characterised in that if some regions are genesis analysis Dry strip region.
- 4. color liquid crystal writing device as claimed in claim 1, it is characterised in that some regions are with the liquid crystal layer Some annular sections being distributed centered on any point to surrounding.
- 5. color liquid crystal writing device as claimed in claim 1, it is characterised in that first matrix and the second basic material For PET film, to scribble surface, the first electrode and second electrode are ITO electrode for the upper surface of first matrix.
- 6. color liquid crystal writing device as claimed in claim 5, it is characterised in that the control device include button and with The connected power module of button.
- 7. color liquid crystal writing device as claimed in claim 6, it is characterised in that the color liquid crystal writing device also includes The housing with liquid crystal film described in support is connect for frame, the liquid crystal film is arranged on the front of the housing.
- 8. color liquid crystal writing device as claimed in claim 7, it is characterised in that the housing includes setting on the housing Blind hole and the correction pen that is plugged in the blind hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720349407.4U CN206725911U (en) | 2017-04-05 | 2017-04-05 | Color liquid crystal writing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720349407.4U CN206725911U (en) | 2017-04-05 | 2017-04-05 | Color liquid crystal writing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206725911U true CN206725911U (en) | 2017-12-08 |
Family
ID=60503155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720349407.4U Active CN206725911U (en) | 2017-04-05 | 2017-04-05 | Color liquid crystal writing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206725911U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108051969A (en) * | 2017-12-18 | 2018-05-18 | 珠海兴业新材料科技有限公司 | A kind of hand-written film production technique of colour writing |
| CN110794632A (en) * | 2019-12-06 | 2020-02-14 | 深圳市康盛光电科技有限公司 | ITO handwriting film for color handwriting board and preparation method thereof |
| CN111367106A (en) * | 2020-03-04 | 2020-07-03 | 广东多特光电科技有限公司 | Handwriting film with color freely changing along with position and electronic writing equipment |
| CN116430626A (en) * | 2023-06-12 | 2023-07-14 | 山东蓝贝思特教装集团股份有限公司 | Multicolor liquid crystal writing device and method |
| CN117092866A (en) * | 2023-06-14 | 2023-11-21 | 山东蓝贝思特教装集团股份有限公司 | Liquid crystal writing device |
-
2017
- 2017-04-05 CN CN201720349407.4U patent/CN206725911U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108051969A (en) * | 2017-12-18 | 2018-05-18 | 珠海兴业新材料科技有限公司 | A kind of hand-written film production technique of colour writing |
| CN110794632A (en) * | 2019-12-06 | 2020-02-14 | 深圳市康盛光电科技有限公司 | ITO handwriting film for color handwriting board and preparation method thereof |
| CN111367106A (en) * | 2020-03-04 | 2020-07-03 | 广东多特光电科技有限公司 | Handwriting film with color freely changing along with position and electronic writing equipment |
| CN116430626A (en) * | 2023-06-12 | 2023-07-14 | 山东蓝贝思特教装集团股份有限公司 | Multicolor liquid crystal writing device and method |
| CN116430626B (en) * | 2023-06-12 | 2023-10-31 | 山东蓝贝思特教装集团股份有限公司 | Multicolor liquid crystal writing device and method |
| CN117420711A (en) * | 2023-06-12 | 2024-01-19 | 山东蓝贝思特教装集团股份有限公司 | Multicolor liquid crystal writing device and method |
| CN117092866A (en) * | 2023-06-14 | 2023-11-21 | 山东蓝贝思特教装集团股份有限公司 | Liquid crystal writing device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206725911U (en) | Color liquid crystal writing device | |
| CN102646696B (en) | Organic light-emitting diode display device, manufacturing method thereof and display system | |
| CN204925551U (en) | Display device is write by hand to liquid crystal | |
| US9759977B2 (en) | Electronic handwriting screen | |
| CN107728398A (en) | Liquid crystal board system and its method for deleting | |
| TWI566025B (en) | Electronic writing board | |
| CN202013465U (en) | Color film structure, display screen and display device | |
| CN110824806B (en) | Electronic ink screen and display device | |
| CN106919293A (en) | Hand-written screen assembly, display device | |
| CN107092110A (en) | A kind of display device and its display methods for being integrated with bistable liquid crystal film | |
| CN202257492U (en) | Electronic whiteboard | |
| CN208314735U (en) | A kind of blackboard writing device based on electronic ink screen | |
| CN103529581A (en) | Display panel and display device | |
| CN107066161A (en) | Capacitance plate, liquid crystal handwriting device, touch-control display module and intelligent terminal | |
| CN206115112U (en) | Reflecting -type display device | |
| CN204790186U (en) | Moist display panel of electricity and display device | |
| CN110824752A (en) | Liquid crystal handwriting board capable of displaying multiple colors | |
| CN103955055A (en) | Electrowetting array substrate and display device | |
| CN202513967U (en) | Mobile phone structure with no shell body frame around surface screen | |
| CN206115023U (en) | Display panel and display device | |
| CN104238208A (en) | Array substrate and display device | |
| CN1945508A (en) | Re-writing device for display panel | |
| CN208818994U (en) | A kind of positive and negative figure conversion display liquid crystal display | |
| CN202486424U (en) | Transparent display device | |
| CN209045062U (en) | A kind of flexible display device of electric current driving |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |