CN206321923U - A kind of liquid crystal handwriting device remembered - Google Patents
A kind of liquid crystal handwriting device remembered Download PDFInfo
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- CN206321923U CN206321923U CN201621067087.5U CN201621067087U CN206321923U CN 206321923 U CN206321923 U CN 206321923U CN 201621067087 U CN201621067087 U CN 201621067087U CN 206321923 U CN206321923 U CN 206321923U
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- liquid crystal
- handwriting device
- crystal handwriting
- conductive layer
- film
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Abstract
The utility model provides a kind of liquid crystal handwriting device remembered, and the handwriting device includes：First substrate, the first conductive layer, the hand-written layer of bistable liquid crystal, the second conductive layer, second substrate, resistive touch screen.The utility model is combined using the hand-written layer of liquid crystal and resistive touch screen, so as to obtain a kind of brand-new handwriting device, can directly it write, the hand-written layer meeting induction pressure of bistable liquid crystal can automatically generate person's handwriting, the person's handwriting is maintained without being powered, and only needs electricity when removing；The writing induction pressure of resistance type touch control screen meeting simultaneously, pressure position is calculated, is fed back and pen trace track, so as to realize the real-time display and memory of written handwriting simultaneously, realize that man-machine perfection is interactive, huge application space will be had in fields such as design, sync instruction, human-computer interactions.
Description
Technical field
The utility model is related to a kind of liquid crystal handwriting device remembered.
Background technology
In field of liquid crystal display, the hand-written display function of bistable liquid crystal and the energy-conservation spy for being not required to continued power maintenance display
Property, particularly handwriting device field, easy-to-write and erasable maintains without being powered, significantly saves electric energy and paper, gradually obtained more
Many widely applications.
In recent years, the research of bistable liquid crystal display essentially consists in cholesteric crystal material.Cholesteric liquid crystal has number in itself
Individual different state, including under electric field the vertical state of liquid crystal molecules parallel electric field and do not need extra electric field two stable states：It is flat
Face state and Focal conic state.The bistable characteristic that cholesteric crystal material has, two stable states can be in the case of without extra electric field
Keep stable, on state of or dark-state are shown respectively, do not need additional power source to preserve display in addition to the process of switching
Information；On the other hand, with do not need backlight and polaroid can extraneous ray of reflecting the characteristics of, thus more general display
It is more energy efficient.
The utility model is compared to common Digitizing plate, and region of writing can only be watched, not directly without person's handwriting on terminal is shown
See, this just brings many inconvenience to user, the utility model exactly customer service this point can show pen in region of writing
Mark, can show and store in display terminal again, be brought great convenience to user.
Compared to common liquid crystal handwriting pad, writing eraser just can not recover after removing, and storage of taking pictures excessively is bothered again, unreal
This point with, the utility model exactly customer service, can identify the handwriting and be tracked, shown in other display terminals, or
Person directly stores, and is brought great convenience to user.
Utility model content
In order to overcome the above-mentioned deficiencies of the prior art, the utility model provides a kind of liquid crystal handwriting device remembered,
The handwriting device is provided simultaneously with handwriting functions and memory function, may be used as drawing, live teaching broadcast, demonstration, human-computer interaction etc. many
Plant purposes.
The purpose of the present invention can be reached by following measures：
This kind of liquid crystal handwriting device, it is characterised in that：By first substrate, the first conductive layer, the hand-written layer of bistable liquid crystal,
Two conductive layers, second substrate, resistive touch screen composition.
The hand-written layer of bistable liquid crystal is made up of polymer, bistable liquid crystal, chiral agent, dichroic dye, and thickness is 2
μm~50 μm.
Further, the polymer includes esters of acrylic acid glue, epoxies glue, accounts for the ratio of the hand-written layer of the bistable state
Example is 5~75%, refractive index (npOrdinary refraction index (the n of)=cholesteric liquid crystalo)±0.5。
Further, the bistable liquid crystal is cholesteric liquid crystal, is that cholesteric liquid crystal monomer or mixture are combined, accounts for
The ratio of the hand-written layer of bistable state is 25~95%.
The first substrate, second substrate use thickness for 0.050~1mm plastic sheeting or acrylic board or glass group
In being polyester film, polycarbonate film, polyethylene film, polypropylene film, polyvinyl chloride film into, plastic sheeting
It is any.
First conductive layer, the second conductive layer use the transparent electrode layer that transparent indium tin oxide coating is made, and can
To be divided into some units according to display or the need for wiping pattern.
The resistive touch screen is made up of four-wire type electric resistance touch screen, the homemade controller of Shenzhen Bao Lichuan companies.
Further, the four-wire type resistive touch screen is a kind of sensor, by touch point in rectangular area (X, Y) thing
Reason position is converted to the voltage for representing X-coordinate and Y coordinate, can produce screen biased electrical with four lines, five lines, seven lines or eight lines
Pressure, while the magnitude of voltage for touch point of reading back, and is converted into display signal transmission by this magnitude of voltage and is deposited to display, or directly
Storage is got up.
Further, the controller is a kind of can to export 20~70V, 5~100Hz, 0.1~3s pulse signal
Device, be applied between the first conductive layer and the second conductive layer, allow liquid crystal to rearrange.
The liquid crystal handwriting device also includes frame, base plate.
Further, the surrounding of the handwriting device, can be metal, plastics, glass.
Further, the base plate is located at the lower section of second substrate, is glass, metal level, plastics or multilayer materials.
Further, the plastics can be transparent, translucent or opaque.
The utility model has advantages below compared with conventional art：
Combined using the hand-written layer of liquid crystal and resistive touch screen, can be with so as to obtain a kind of brand-new handwriting device
Directly write, the hand-written layer meeting induction pressure of bistable liquid crystal can automatically generate person's handwriting, and the person's handwriting is maintained without being powered, and is only being removed
When need electricity；The writing induction pressure of resistance type touch control screen meeting simultaneously, calculates pressure position, feeds back and pen trace track, so that
Realize the real-time display and memory of written handwriting simultaneously, realize that man-machine perfection is interactive, design, sync instruction, it is man-machine mutually
The field such as dynamic will have huge application space.
Brief description of the drawings
Fig. 1 is structural section schematic diagram of the present utility model.
Embodiment
The utility model is further illustrated below in conjunction with the accompanying drawings.
Shown in reference picture, the handwriting device that this kind can be remembered, by first substrate 1, the first conductive layer 2, bistable liquid crystal hand
Layer 3, the second conductive layer 4, second substrate 5, resistive touch screen 6 is write to constitute.
The hand-written layer 3 of bistable liquid crystal is made up of polymer 31, bistable liquid crystal 32, also including chiral agent, dichroism
Dyestuff is constituted, and thickness is 2 μm~50 μm.
Further, the polymer 31 include be polymerized by ultraviolet light polymerization esters of acrylic acid glue, by adding
Heat or the epoxies glue of normal temperature cure, the ratio for accounting for the hand-written layer of the bistable state are 5~75%, refractive index (np)=courage
Ordinary refraction index (the n of steroid phase liquid crystalo)±0.5。
Further, the bistable liquid crystal 32 is cholesteric liquid crystal, is that cholesteric liquid crystal monomer or mixture are combined,
The ratio for accounting for the hand-written layer of the bistable state is 25~95%, and molecule is in flat, and arrangement is layered, and molecule is parallel to each other in layer, point
Sub- major axis is varied slightly parallel to layer plane, the molecular long axis direction of different layers, and curl knot is arranged along the normal direction of layer
Structure；The pitch of thread is about 300nm, with the same magnitude of visible wavelength, can be changed with ambient temperature, current field condition difference；Have
The characteristic such as optical activity, selective, light scattering, circular polarization dichroism；Include multilayer molecular, the orientation of every layer of molecule perhaps
It is identical, but adjacent two layers molecules align direction slightly rotated, and helical structure is built up layer by layer；Oil is added by primary raw material of cholesterol
The ester type compound of the organic acid reactions such as acid, benzoic acid, n-nonanoic acid；Pitch is very sensitive to temperature, when pitch and the ripple of light
When long consistent, just produce intensive property and selectively reflect, in the sunlight, with the rise of temperature, color by it is red, orange, yellow, green, blue,
Indigo, purple order change, temperature drop change colour in reverse order again；It is highly sensitive to show in less than the temperature difference once
Whole chromatogram.
The first substrate 1, second substrate 5 are made of 0.188mm polyester film (PET).
Further, the polyester film (PET) is, using polyethylene terephthalate as raw material, to be made of extrusion molding
Sheet, then the thin-film material being made through biaxial tension, are called polyester film, mating plate, dacron membrane, sensitive paper, polyester film, benzene tin
Film, glassine paper, mould release membrance, including electrical insulation film, capactive film, card-protecting film, half reinforced film, gilding film, printing composite package film,
Aluminizer, magnetic recording thin film, nanometer PET film.
Further, the electrical insulation film, it is good insulation preformance, anti-with good electrical equipment, thermally and chemically machinery, inertia
The features such as breakdown voltage is high, standard thickness is 25 μm, 36 μm, 40 μm, 48 μm, 50 μm, 70 μm, 75 μm, 80 μm, 100 μm, 125 μ
M, including wire cable insulating film (thickness is 25-75 μm), soft-touch control dielectric film (50-75 μm).
Further, the capactive film, with tensile strength is high, dielectric constant is high, loss factor is low, thickness evenness is good,
Good electrical property, the features such as resistivity is big, working standard thickness has 3.5 μm, 3.8 μm, 4 μm, 4.3 μm, 4.8 μm, 5 μm, 6 μ
m、8μm、9μm、9.8μm、10μm、12μm。
Further, the card-protecting film, with the winding that transparency is good, deflection is high, thermally-stabilised good, surfacing is excellent
Can, the uniform vertically and horizontally excellent properties such as tensile property, Water-proof and oil-proof, chemically, standard thickness is 10.75 μm, 12 μm,
15 μm, 25 μm, 28 μm, 30 μm, 36 μm, 45 μm, 55 μm, 65 μm, 70 μm, wherein more than 15 μm mainly as laser anti-counterfeit base
Film or high-grade card-protecting film are used.
Further, half reinforced film, with longitudinal tensile strength it is big, it is not easy to break under larger pulling force the features such as,
Packaging strip of paper used for sealing for box-packed article etc., standard thickness is 20 μm, 28 μm, 30 μm, 36 μm, 50 μm.
Further, the gilding film, with tensile strength, transparency is good, hot property is stable, the adhesion with some resins
Relatively low the features such as, it is small or as transfer vector to be mainly suitable for change in size in high temperature working processes, standard thickness is 9 μm, 12 μm,
15μm、19μm、25μm、36μm。
Further, the printing composite package film, with transparent good, penetration-resistant is good, chemical-resistance is superior, resistance to
Temperature, it is moistureproof the features such as, it is adaptable to frozen food and food, medicine, the packaging of industrial goods and cosmetics, standard thickness is 12 μm,
15μm、23μm、36μm。
Further, the aluminizer, with intensity height, heatproof, chemical-resistance it is good, good process, the property such as anti-aging
Can, appropriate sided corona treatment so that the attachment of aluminium lamination and film is more firm, after aluminizing is applicable tealeaves, milk powder, sugar
Really, biscuit etc. is packed, and also can apply also for that printing is compound or paperboard is compound, mark as decorating films such as a string of flowers handicraft, Christmas trees
Quasi- thickness is 12 μm, 16 μm, 25 μm, 36 μm.
Further, the magnetic recording thin film, with good stability of the dimension, thickness is uniform, tensile strength is high the features such as, be applicable
In the basement membrane and extra package film of magnetic recording material, including video and audio recording tape base (working standard thickness has 9-12 μm) and black film
(working standard thickness has 35-36 μm).
Further, the nanometer PET film, with high transparency and glossiness, nano particle diameter is in 1~100nm
Between, less than the wavelength of visible ray, less is influenceed on film clarity；High barrier property and heat resistance, using with spy
The nano material and unique processing technology of different performance, make nano material in the dispersed PET matrix of nano-scale, in film
It is orientated in production process by stretching, so that extremely excellent barrier property is presented in PET film, O2, CO2, H2O transmitance are at double
Decline, heat resistance is also increased substantially, and can expand PET application field.
The transparent electrode layer that first conductive layer 2, the second conductive layer 4 are made of transparent indium tin oxide coating, and
Some units can be divided into according to display or the need for wiping pattern.
Further, the tin indium oxide (ITO, or tin-doped indium oxide) is a kind of indium (III) oxide (In2O3)
The mixture of and tin (IV races) oxide (SnO2), usual mass ratio is 90%In2O3,10%SnO2；In film-form, thoroughly
It is bright, show slightly dark brown；In bulk state, in yellow grey partially；
The resistive touch screen 6 is made up of four-wire type electric resistance touch screen, the homemade controller of Shenzhen Bao Lichuan companies, can
40V, 5Hz, 0.4s alternating-current pulse are discharged, the writing for the hand-written layer of bistable liquid crystal is removed.
Further, the four-wire type resistive touch screen is a kind of sensor, by touch point in rectangular area (X, Y) thing
Reason position is converted to the voltage for representing X-coordinate and Y coordinate, and this screen can be produced with four lines, five lines, seven lines or eight lines
Screen bias voltage, while the magnitude of voltage for touch point of reading back, and this magnitude of voltage is converted into display signal transmission to display, or
Person directly stores.
Further, the controller is that one kind can export 20~70V, 5~100Hz, 0.1~3s pulse signal
Device, be applied between the first conductive layer and the second conductive layer, allow liquid crystal to rearrange, realize to the hand-written layer of bistable liquid crystal
The removing of writing.
The liquid crystal handwriting device also includes frame, base plate.
Further, the surrounding of the handwriting device, is metal, plastics, glass, for providing support and protecting.
Further, the base plate is located at the lower section of second substrate, is glass, metal level, plastics or multilayer materials.
Further, the plastics can be transparent, translucent or opaque.
Further, the multilayer materials can provide enhanced optical effect, can be reached by using the base plate
To transmission-type, reflective or half-transmission half-reflection type display effect.
The foregoing is only preferred embodiment of the present utility model, it is all according to the utility model right done it is equal
Deng change and modification, it should all belong to the covering scope of the utility model claim.
Claims (10)
1. a kind of liquid crystal handwriting device remembered, it is characterised in that：By first substrate, the first conductive layer, bistable liquid crystal hand
Write layer, the second conductive layer, second substrate, resistive touch screen composition.
2. a kind of liquid crystal handwriting device remembered according to claim 1, the first substrate, second substrate are using thick
Plastic sheeting or acrylic board or the glass composition for 0.050~1mm are spent, plastic sheeting can be polyester film, makrolon
Any one of film, polyethylene film, polypropylene film, polyvinyl chloride film.
3. a kind of liquid crystal handwriting device remembered according to claim 1, it is characterised in that：First conductive layer,
Second conductive layer uses the transparent electrode layer that transparent indium tin oxide coating is made, and can be according to the need for showing or wiping pattern
It is divided into some units.
4. a kind of liquid crystal handwriting device remembered according to claim 1, it is characterised in that：The resistive touch screen
It is made up of four-wire type electric resistance touch screen, the homemade controller of Shenzhen Bao Lichuan companies.
5. a kind of liquid crystal handwriting device remembered according to claim 4, it is characterised in that：The four-wire type resistance-type
Touch-screen is a kind of sensor, and the physical location of touch point in rectangular area (X, Y) is converted to and represents X-coordinate and Y coordinate
Voltage, can produce screen bias voltage with four lines, five lines, seven lines or eight lines, while the magnitude of voltage for touch point of reading back, and will
This magnitude of voltage is converted into display signal transmission and stored to display, or directly.
6. a kind of liquid crystal handwriting device remembered according to claim 4, it is characterised in that：Further, the control
Device be it is a kind of can export 20~70V, 5~100Hz, the device of 0.1~3s pulse signal, be applied to the first conductive layer
And second between conductive layer, liquid crystal is allowed to rearrange.
7. a kind of liquid crystal handwriting device remembered according to claim 1, it is characterised in that：The liquid crystal handwriting device
Also include frame, base plate.
8. a kind of liquid crystal handwriting device remembered according to claim 7, it is characterised in that：The four of the handwriting device
In week, be metal, plastics, glass.
9. a kind of liquid crystal handwriting device remembered according to claim 7, it is characterised in that：The base plate is located at second
The lower section of substrate, is glass, metal level, plastics or multilayer materials.
10. a kind of liquid crystal handwriting device remembered according to claim 8, it is characterised in that：The plastics can be
It is transparent, translucent or opaque.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621067087.5U CN206321923U (en) | 2016-09-07 | 2016-09-07 | A kind of liquid crystal handwriting device remembered |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621067087.5U CN206321923U (en) | 2016-09-07 | 2016-09-07 | A kind of liquid crystal handwriting device remembered |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206321923U true CN206321923U (en) | 2017-07-11 |
Family
ID=59262424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621067087.5U Active CN206321923U (en) | 2016-09-07 | 2016-09-07 | A kind of liquid crystal handwriting device remembered |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206321923U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108508669A (en) * | 2018-06-04 | 2018-09-07 | 高辉（天津）科技有限公司 | The pressure-sensitive liquid crystal handwriting display screen of bistable state |
| CN110488521A (en) * | 2018-05-15 | 2019-11-22 | 山力科技有限公司 | Electronic type clipboard |
| CN112987366A (en) * | 2021-02-04 | 2021-06-18 | 业成科技（成都）有限公司 | Electronic handwriting board and application method thereof and terminal equipment |
-
2016
- 2016-09-07 CN CN201621067087.5U patent/CN206321923U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110488521A (en) * | 2018-05-15 | 2019-11-22 | 山力科技有限公司 | Electronic type clipboard |
| CN108508669A (en) * | 2018-06-04 | 2018-09-07 | 高辉（天津）科技有限公司 | The pressure-sensitive liquid crystal handwriting display screen of bistable state |
| CN112987366A (en) * | 2021-02-04 | 2021-06-18 | 业成科技（成都）有限公司 | Electronic handwriting board and application method thereof and terminal equipment |
| CN112987366B (en) * | 2021-02-04 | 2022-09-20 | 业成科技（成都）有限公司 | Electronic handwriting board and application method thereof and terminal equipment |
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