CN206057726U - Intelligent handwriting board - Google Patents
Intelligent handwriting board Download PDFInfo
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- CN206057726U CN206057726U CN201620117008.0U CN201620117008U CN206057726U CN 206057726 U CN206057726 U CN 206057726U CN 201620117008 U CN201620117008 U CN 201620117008U CN 206057726 U CN206057726 U CN 206057726U
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- substrate
- flexible screen
- heating source
- handwriting board
- heating
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Abstract
The utility model discloses a kind of intelligent handwriting board, the intelligent handwriting board includes substrate, the flexible screen in the substrate and heater, wherein described heater includes the key switch of multiple heating sources being distributed in the substrate, the drive circuit for controlling the heating source work and connection corresponding with the drive circuit, and the heating source is embedded in the substrate near the side of the flexible screen；It is provided between the substrate and the flexible screen for controlling the display layer of display font color in flexible screen, the display layer covers the heating source；The flexible screen is fitted with the display layer, and is fixedly connected with the substrate.This utility model improves the motility that intelligent handwriting board is used.
Description
Technical field
This utility model is related to liquid crystal technology field, more particularly to a kind of intelligent handwriting board.
Background technology
It is well known that existing board includes substrate and the flexible screen in substrate, pressed by flexible screen local,
The translucent effect for changing flexible screen shows the color of substrate, so as to reach writing effect.General board adopts bistable state
Liquid crystal structure, in the case where external force is not affected by, bistable liquid crystal structure is in the first stable state；When user is write, make
Obtain liquid crystal molecule structure to change, into the second stable state.Traditional board (controls liquid crystal point when notes erasing is carried out
Son returns to the first stable state from the second stable state), generally using electric field.But when being recovered using electric field, typically can entirely
Notes erasing on board, so that the motility that board is used is poor.
The above is only used for auxiliary and understands the technical solution of the utility model, does not represent and recognizes that the above is existing
Technology.
Utility model content
Main purpose of the present utility model is to provide a kind of intelligent handwriting board, it is intended to improve the spirit that intelligent handwriting board is used
Activity.
To achieve these goals, the intelligent handwriting board that this utility model is provided, the intelligent handwriting board include substrate, set
Flexible screen and heater in the substrate, wherein the heater includes multiple heating being distributed in the substrate
The key switch in source, the drive circuit for controlling the heating source work and connection corresponding with the drive circuit, the heating
Source is embedded in the substrate near the side of the flexible screen；It is provided between the substrate and the flexible screen for controlling flexible screen
The display layer of upper display font color, the display layer cover the heating source；The flexible screen is fitted with the display layer, and
It is fixedly connected with the substrate.
Preferably, multiple heating sources are distributed on the substrate in matrix form.
Preferably, the heating source is Muscovitum fever tablet, heating wire or PTC heaters.
Preferably, the display layer is black ink layer.
Preferably, the intelligent handwriting board also includes one is arranged in temperature detector, and the corresponding region of each heating source
The temperature detector detects the temperature of the heating source；The temperature detector is connected with the drive circuit, and when acquisition
When being more than preset value to the temperature that the temperature detector is detected, control corresponding heating source and stop heating.
Preferably, the flexible screen includes the first base layer, the first conductive layer, mixed layer, the second conductive layer and the second base
Body layer, wherein the mixed layer includes the mixture of cholesteric liquid crystal phase and macromolecular structure, and for controlling cholesterol phase
The chiral dope of liquid crystal pitch, the cholesteric liquid crystal phase is with showing the first of black or handwriting pad background color because of scattering
The second stable state of color is write in stable state and reflection；When the cholesteric liquid crystal phase is in the first stable state, the cholesterol is incident to
The visible ray of phase liquid crystal is in scattering state and transmits display fast black base bottom；The second stable state is in when the cholesteric liquid crystal phase is pressurized
When, the visible ray for being incident to the cholesteric liquid crystal phase shows person's handwriting in color reflection state, and the visible ray leads to successively
Cross first base layer, the first conductive layer, cholesteric liquid crystal phase and the second conductive layer to be incident on the second base layer.
Preferably, first conductive layer includes some the first transparency conductive electrodes be arrangeding in parallel, and adjacent two first is saturating
There is between prescribed electrode gap；Second conductive layer includes some the second transparency conductive electrodes be arrangeding in parallel, adjacent two
There is between two transparency electrodes gap；First conductive electrode is mutually perpendicular to the second conductive electrode.
Preferably, the flexible screen is capacitance plate, touch screens or infrared screen.
Preferably, first base layer and the second base layer are PET film.
Preferably, the flexible screen includes the first base layer, the first conductive layer, mixed layer, the second conductive layer and the second base
Body layer, wherein the mixed layer includes the mixture of cholesteric liquid crystal phase and macromolecular structure, and for controlling cholesterol phase
The chiral dope of liquid crystal pitch, the cholesteric liquid crystal phase have the first stable state of scatter visible light and the second transparent stable state；When
When the cholesteric liquid crystal phase is in the first stable state, the white scattering state of visible ray of the cholesteric liquid crystal phase is incident to；When
The cholesteric liquid crystal phase is pressurized when being in the second stable state, is incident to the visible ray of the cholesteric liquid crystal phase in transmissive state,
And the visible ray passes sequentially through first base layer, the first conductive layer, cholesteric liquid crystal phase and the second conductive layer and is incident to
On second base layer.
This utility model embodiment is by multiple heating sources are arranged in substrate, corresponding by heating source computer heating control flexible screen
Realize heat erasing function in region.It is achieved thereby that localized heat erasing function, is entered by electric control flexible screen relative to prior art
Row notes erasing, this utility model realize localized heat erasing mode, so as to improve the motility that intelligent handwriting board is used, together
When further increase the range of application of intelligent handwriting board.
Description of the drawings
Structural representations of the Fig. 1 for one embodiment of this utility model intelligent handwriting board.
The realization of this utility model purpose, functional characteristics and advantage will be described further in conjunction with the embodiments referring to the drawings.
Specific embodiment
It should be appreciated that specific embodiment described herein is not used to limit this reality only to explain this utility model
With new.
This utility model provides a kind of intelligent handwriting board, and with reference to Fig. 1, the intelligent handwriting board includes substrate 10, located at institute
State flexible screen 20 and the heater in substrate 10, wherein the heater include it is multiple be distributed in the substrate 10 plus
Thermal source 31, the drive circuit (not shown) for controlling the work of heating source 31 and connection corresponding with the drive circuit
Key switch (not shown), the heating source 31 are embedded in the substrate 10 near the side of the flexible screen 20；The base
It is provided between bottom 10 and the flexible screen 20 for controlling the display layer 11 of display font color in flexible screen 20, the display layer
11 cover the heating source 31；The flexible screen 20 is fitted with the display layer 11, and is fixedly connected with the substrate 10.
The discoloration handwriting pad that the present embodiment is provided can apply to the handwriting device such as teacher's blackboard and meeting room writing whiteboard
In.
Specifically, above-mentioned flexible screen includes the first base layer 21, the first conductive layer 22, mixed layer 23, the second conductive layer 24
With the second base layer 25, wherein the mixed layer 23 includes the mixture of cholesteric liquid crystal phase and macromolecular structure, and it is used for
The chiral dope of control cholesteric liquid crystal phase pitch, the cholesteric liquid crystal phase is with showing black or hand-written backboard because of scattering
The second stable state of color is write in first stable state of scape color and reflection；It is when the cholesteric liquid crystal phase is in the first stable state, incident
To the white scattering state of visible ray of the cholesteric liquid crystal phase；The second stable state is in when the cholesteric liquid crystal phase is pressurized
When, the visible ray of the cholesteric liquid crystal phase is incident in color reflection state, and the visible ray passes sequentially through described first
Base layer 21, the first conductive layer 22, cholesteric liquid crystal phase 23 and the second conductive layer 24 are incident on the second base layer 25.
Above-mentioned cholesteric liquid crystal phase has bistable state, after the first conductive layer 22 and the second conductive layer 24 are powered, cholesterol
Phase liquid crystal will be presented the first stable state；After the first base layer 21 is pressurized so that just the cholesteric liquid crystal phase at pressurized position is presented
Second stable state.Rotation pitch of the above-mentioned chiral dope specifically for adjustment cholesteric liquid crystal phase, it is anti-so as to control cholesteric liquid crystal phase
The wavelength of light wave is penetrated, so as to change the color that flexible screen shows.For example, in order that cholesteric liquid crystal phase is in the second stable state, energy
Visible reflectance is enough made, and the wavelength of the chiral dope control cholesteric liquid crystal phase Bragg reflecting lights for adding appropriate is needed visible
In optical range.When the first conductive layer 22 and 24 power-on voltage of the second conductive layer reach preset value, cholesteric liquid crystal phase will be presented
First stable state, the rotary shaft offset from perpendicular dispersion arrangement of each liquid crystal molecule in cholesteric liquid crystal phase, so that visible
Light passes through the first base layer 21 and the first conductive layer 22 and incides cholesteric liquid crystal phase in scattering state, and now user watches the
One base layer, 21 white state, i.e., above-mentioned flexible screen could be arranged to white.The soft of various different colours can be set in the same manner
Property screen 20.The color of the flexible screen can be configured according to actual needs, and here is not further limited.
The color and material of above-mentioned display layer 11 can be configured according to actual needs, for example in the present embodiment,
Above-mentioned display layer 11 can be black ink layer.
Specifically, the structure and arrangement mode of above-mentioned heating source 31 can be configured according to actual needs, for example, it is preferable to
Ground, multiple heating sources 31 are distributed in matrix form in the substrate 10；Heating source 31 be Muscovitum fever tablet, heating wire or
PTC heaters, can also be other heating elements in addition.Further, in order to prevent the impact of adjacent two heating source 31, phase
Heat insulation foam is provided between two adjacent heating sources, and the periphery for the heating source 31 being enclosed by heat insulation foam forms a heating region.Can be with
It is understood by, it is also possible to a heating region is made up of multiple heating sources.
During work, clock when needing the flexible screen 20 to certain region to carry out erasing pen, the area can be controlled
Heating source 31 in domain enters heating work state, when the temperature in 20 corresponding region of flexible screen reaches preset temperature, the area
The cholesteric liquid crystal phase in the second stable state in domain will jump to the first stable state, so as to realize that the notes in the region are wiped
Go out.The size of the preset temperature can be configured according to actual needs, and here is not further limited, and for example the temperature can
Think 60 degrees Celsius.
In addition the structure of above-mentioned drive circuit can be configured according to actual needs, as long as above-mentioned heating source can be controlled
31 are heated.For example, can individually control a heating source 31 to be heated, it is also possible to while controlling in a region
Heating source 31 carry out heating work.Drive sub-circuits are adopted to each heating source, it is also possible to which multiple heating sources 31 are adopted
Same drive sub-circuits.
It is understood that for heating source 31 heating time can be configured according to actual needs, for example when with
After above-mentioned key switch is pressed at family, the heating source 31 controlled in corresponding region is heated, and is closed in heating a period of time automatically
Close heating；Can also be the time period being pressed in key switch, the heating source 31 of drive circuit control corresponding region is heated,
After key switch unclamps, heating source 31 will stop heating.The time that temperature sensor automatically controls heating can be additionally set,
Prevent heating-up temperature too high and damage flexible screen.Hereinafter this is described in detail：
Based on above-described embodiment, in the present embodiment, above-mentioned intelligent handwriting board also includes temperature detector, and each heating source
The temperature that temperature detector described in detects the heating source is set in corresponding region；The temperature detector and the driving
Circuit connects, and when the temperature for getting the temperature detector detection is more than preset value, controls corresponding heating source 31 and stop
Only heat.
In the present embodiment, can be caved inward near the side of flexible screen by above-mentioned substrate and form multiple storage tanks, it is each
One or more temperature heating sources are provided with storage tank, and temperature sensor are provided with storage tank.By the temperature sensor
The temperature in the corresponding region of the storage tank is detected, when temperature is more than above-mentioned preset value, all of heating in the storage tank is controlled
Source 31 stops heating.
Specifically, based on above-described embodiment, in the present embodiment, above-mentioned flexible screen is capacitance plate, touch screens or infrared screen；On
Stating the first conductive layer 22 includes some the first transparency conductive electrodes be arrangeding in parallel, between having between adjacent two first transparency electrode
Gap；Second conductive layer 24 includes some the second transparency conductive electrodes be arrangeding in parallel, between adjacent two second transparency electrode
With gap；First conductive electrode is mutually perpendicular to the second conductive electrode.
By first transparency electrode and second transparency electrode are vertically arranged in the present embodiment, when by lettering pen or staff
Before being write in flexible screen, one of first transparency electrode and second transparency electrode are used as drive electrode (transmitting electricity
Pole), another one is used as receiving electrode；So that consistent electric field is formed between first transparency electrode and second transparency electrode.When
When being write in flexible screen by lettering pen or staff, as the position clicked on causes first transparency electrode and second transparent
The electric field formed between electrode produces change, so as to judge the coordinate figure of current click location.
It should be noted that above-mentioned first base layer 21 and 25 structure of the second base layer can be set according to actual needs
Put, in the present embodiment, preferably PET film.
It is understood that hot erasing can also be carried out to flexible screen by the outside heater block that arranges, for example, can adopt
Flexible screen is carried out heating with Hot air blast device etc..
This utility model embodiment is by arranging multiple heating sources 31 on the substrate 10, flexible by 31 computer heating control of heating source
Shield 20 corresponding regions and realize hot erasing function.It is achieved thereby that localized heat erasing function, passes through electric control relative to prior art
Flexible screen 20 carries out notes erasing, and this utility model realizes localized heat erasing mode, so as to improve intelligent handwriting board use
Motility, while further increasing the range of application of intelligent handwriting board.
It is understood that in other embodiments, flexible screen can also include the first base layer, the first conductive layer, mix
Layer, the second conductive layer and the second base layer are closed, wherein the mixed layer includes the mixing of cholesteric liquid crystal phase and macromolecular structure
Thing, and for controlling the chiral dope of cholesteric liquid crystal phase pitch, the cholesteric liquid crystal phase has the first of scatter visible light
Stable state and the second transparent stable state；When the cholesteric liquid crystal phase is in the first stable state, the cholesteric liquid crystal phase is incident to
The white scattering state of visible ray；When the cholesteric liquid crystal phase is pressurized is in the second stable state, the cholesterol phase is incident to
The visible ray of liquid crystal is in transmissive state, and the visible ray passes sequentially through first base layer, the first conductive layer, cholesterol phase
Liquid crystal and the second conductive layer are incident on the second base layer.
Preferred embodiment of the present utility model is these are only, the scope of the claims of the present utility model is not thereby limited, it is every
The equivalent structure made using this utility model description and accompanying drawing content or equivalent flow conversion, or be directly or indirectly used in
Other related technical fields, are included in scope of patent protection of the present utility model in the same manner.
Claims (5)
1. a kind of intelligent handwriting board, it is characterised in that the intelligent handwriting board includes substrate, the flexible screen in the substrate
And heater, wherein the heater includes multiple heating sources being distributed in the substrate, controls the heating source work
The drive circuit of work and the key switch of connection corresponding with the drive circuit, the heating source are embedded in the substrate near institute
State the side of flexible screen；It is provided between the substrate and the flexible screen for controlling the display of display font color in flexible screen
Layer, the display layer cover the heating source；The flexible screen is fitted with the display layer, and is fixedly connected with the substrate.
2. intelligent handwriting board as claimed in claim 1, it is characterised in that multiple heating sources are distributed in described in matrix form
In substrate.
3. intelligent handwriting board as claimed in claim 1, it is characterised in that the heating source be Muscovitum fever tablet, heating wire or
PTC heaters.
4. intelligent handwriting board as claimed in claim 1, it is characterised in that the display layer is black ink layer.
5. intelligent handwriting board as claimed in claim 1, it is characterised in that the intelligent handwriting board also includes temperature detector,
And the temperature that temperature detector described in detects the heating source is set in the corresponding region of each heating source；The temperature detection
Device is connected with the drive circuit, and when the temperature for getting the temperature detector detection is more than preset value, control correspondence
Heating source stop heating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620117008.0U CN206057726U (en) | 2016-02-05 | 2016-02-05 | Intelligent handwriting board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620117008.0U CN206057726U (en) | 2016-02-05 | 2016-02-05 | Intelligent handwriting board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206057726U true CN206057726U (en) | 2017-03-29 |
Family
ID=58371505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620117008.0U Active CN206057726U (en) | 2016-02-05 | 2016-02-05 | Intelligent handwriting board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206057726U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI668610B (en) * | 2018-06-01 | 2019-08-11 | 薩摩亞商山力科技有限公司 | Micro-switch electronic writing board |
| CN111796467A (en) * | 2019-04-03 | 2020-10-20 | 元太科技工业股份有限公司 | Display panel, display device and manufacturing method of display panel |
| CN112462544A (en) * | 2020-12-01 | 2021-03-09 | 中国科学院宁波材料技术与工程研究所 | Locally erasable liquid crystal handwriting board and using method thereof |
-
2016
- 2016-02-05 CN CN201620117008.0U patent/CN206057726U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI668610B (en) * | 2018-06-01 | 2019-08-11 | 薩摩亞商山力科技有限公司 | Micro-switch electronic writing board |
| CN111796467A (en) * | 2019-04-03 | 2020-10-20 | 元太科技工业股份有限公司 | Display panel, display device and manufacturing method of display panel |
| CN112462544A (en) * | 2020-12-01 | 2021-03-09 | 中国科学院宁波材料技术与工程研究所 | Locally erasable liquid crystal handwriting board and using method thereof |
| CN112462544B (en) * | 2020-12-01 | 2023-02-28 | 中国科学院宁波材料技术与工程研究所 | Locally erasable liquid crystal handwriting board and using method thereof |
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