CN208314427U - Device with local reduction cholesterol liquid crystal - Google Patents
Device with local reduction cholesterol liquid crystal Download PDFInfo
- Publication number
- CN208314427U CN208314427U CN201820263914.0U CN201820263914U CN208314427U CN 208314427 U CN208314427 U CN 208314427U CN 201820263914 U CN201820263914 U CN 201820263914U CN 208314427 U CN208314427 U CN 208314427U
- Authority
- CN
- China
- Prior art keywords
- liquid crystal
- cholesterol liquid
- substrate
- local reduction
- electrode
- 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
- HVYWMOMLDIMFJA-DPAQBDIFSA-N cholesterol Chemical compound C1C=C2C[C@@H](O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@H](C)CCCC(C)C)[C@@]1(C)CC2 HVYWMOMLDIMFJA-DPAQBDIFSA-N 0.000 title claims abstract description 105
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 75
- 235000012000 cholesterol Nutrition 0.000 title claims abstract description 54
- 239000000758 substrate Substances 0.000 claims description 39
- 239000004986 Cholesteric liquid crystals (ChLC) Substances 0.000 claims description 26
- 210000000232 gallbladder Anatomy 0.000 claims description 4
- 229930182558 Sterol Natural products 0.000 claims description 3
- 150000003432 sterols Chemical class 0.000 claims description 3
- 235000003702 sterols Nutrition 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 150000001841 cholesterols Chemical class 0.000 abstract 2
- 238000010422 painting Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 6
- 230000003098 cholesteric effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- PJXISJQVUVHSOJ-UHFFFAOYSA-N indium(III) oxide Inorganic materials [O-2].[O-2].[O-2].[In+3].[In+3] PJXISJQVUVHSOJ-UHFFFAOYSA-N 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 229920000139 polyethylene terephthalate Polymers 0.000 description 3
- 239000005020 polyethylene terephthalate Substances 0.000 description 3
- 239000011787 zinc oxide Substances 0.000 description 3
- 239000004695 Polyether sulfone Substances 0.000 description 2
- JAONJTDQXUSBGG-UHFFFAOYSA-N dialuminum;dizinc;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Al+3].[Al+3].[Zn+2].[Zn+2] JAONJTDQXUSBGG-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920006393 polyether sulfone Polymers 0.000 description 2
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 229920005439 Perspex® Polymers 0.000 description 1
- 241000269913 Pseudopleuronectes americanus Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000739 chaotic effect Effects 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- MRNHPUHPBOKKQT-UHFFFAOYSA-N indium;tin;hydrate Chemical compound O.[In].[Sn] MRNHPUHPBOKKQT-UHFFFAOYSA-N 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- -1 polyethylene terephthalate Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Abstract
The utility model discloses a device of utensil local reduction cholesterol liquid crystal, connect this cholesterol liquid crystal panel including a cholesterol liquid crystal panel, a wiping unit and a the control unit system, this the control unit receives a power for control output a continuous voltage gives this cholesterol liquid crystal panel, should wipe the unit and apply a pressure and wait at least to wipe the district on cholesterol liquid crystal panel, make the pressurized should wait to wipe the district and correspond a cholesterol liquid crystal layer and become this state of clearing away by this display state.
Description
Technical field
The utility model relates to have the device of local reduction cholesterol liquid crystal more particularly to one kind to can reach local reduction gallbladder
The state of sterol liquid crystal and the device for reaching the good tool local reduction cholesterol liquid crystal of ease of use.
Background technique
Since cholesteric liquid crystal phase display technology is particularly attractive to many display application fields.Cholesteric liquid crystal phase can
Bistable state is provided or multistable is shown, due to its permanent storage characteristic, it is not necessary to display image is kept with Continuous Drive, from
And power consumption can be significantly reduced.Moreover, do not need can be in environment light using backlight for some cholesteric lcds
Clearly see image clearly.Do not need be with backlight the display special characteristics, saving backlight keeps cholesteric liquid crystal phase aobvious
Show power consumption of the device than common liquid crystal display reduction.
And cholesteric lcds write panel products, also known as electronic handwritten plate on the market at present, are using zero-power
Liquid crystal technology, in reflective layer is arranged in panel, there is no need to backlights, in the case where ambient light is brighter, higher, it
Visual effect is more clear.It is widely used to the tradition such as office account message, Family communication memorandum, children's handwriting practicing drawing and uses original text
The occasion of paper.And the product has the function of the painting and calligraphy of similar paper pen, any hard objects, such as nail can be used in user,
Panel surface, writing words and drawing are brought pressure to bear on, reaches the painting and calligraphy that traditional paper and pen have the function of, and the product has
Standby feature one: after finishing during painting and calligraphy with painting and calligraphy, which does not need any power supply, so that it may reach display book
Write the function of image；The product has feature two: having an electric power driving module, after painting and calligraphy finish, user can be by
Lower removing key enables electric power driving module send out voltage to panel, and about 2 seconds, then full wafer panel painting and calligraphy image (or text shadow
Picture) all remove, user can continue to use next time.
But user extends another problem in actual use, and full wafer panel painting and calligraphy can only be allowed by exactly removing key at present
Image is all removed, but simultaneously can not do local removing for a certain zonule in full wafer panel painting and calligraphy image, such as user exists
Word is such as wrongly write or when redundance is wanted to remove in a certain zonule in part in full wafer panel painting and calligraphy image, user be still necessary to by
It presses and removes key for all removings of full wafer panel painting and calligraphy image, enable user that must write again, to cause user to make
With not convenient problem.
Utility model content
In view of this, the utility model aim provide it is a kind of through the control unit export a continuous voltage, and by
The erased cell bestows a pressure at least one area to be erased in cholesterol liquid crystal panel, makes at least one area pair to be erased that is pressurized
Should cholesteric liquid crystal layer state change, with effectively reach local reduction cholesterol liquid crystal liquid crystal molecule effect tool part
Restore the device of cholesterol liquid crystal.
Another object of the present invention a kind of can reach the good tool local reduction cholesteric liquid of user's convenience providing
Brilliant device.
In order to achieve the above object, the utility model provides a kind of device for having local reduction cholesterol liquid crystal, including a gallbladder is consolidated
Alcohol liquid crystal display panel, an erased cell and a control unit, the cholesterol liquid crystal panel include a first substrate, a second substrate and
One cholesteric liquid crystal layer, the first substrate are equipped with a first electrode, which is equipped with a second electrode system and relatively should
First electrode, the cholesteric liquid crystal layer be set to first and second substrate between, and the cholesteric liquid crystal layer have one display state and
One removes state, and at least one area to be erased is located on a surface of the first substrate, which is separately connected corresponding be somebody's turn to do
Cholesterol liquid crystal panel and a power supply, to export a continuous voltage to the cholesterol liquid crystal panel, this erases the control unit
Unit bestows a pressure at least one area to be erased, make to be pressurized the corresponding cholesteric liquid crystal layer at least one area to be erased by
The display state becomes the removing state；The design of this device is created through this, so that effectively reaching local reduction cholesteric liquid
The effect (effect locally removed) of brilliant state and the effect for bringing the upper convenience of use.
Preferably, which is located at the side of the first substrate, which is located at the side of the second substrate,
And the opposite first electrode, the cholesteric liquid crystal layer are set between first and second electrode.
Preferably, which has a black absorbing layer, which is formed in the another of the second substrate
Side, and the opposite second electrode.
Preferably, which is a flexible base plate.
Preferably, which has plural liquid crystal molecule, this waits the display state of liquid crystal molecules clear with this
Except state is a flat surface state and a Focal conic state respectively.
Preferably, which includes a microcontroller, a booster circuit and a driving switch circuit, the booster circuit
The power supply and the driving switch circuit are connected, to export a booster power, which is electrically connected boosting electricity
Road and the driving switch circuit and a switch element, the microcontroller remove signal point according to the part that the switch element transmits
A boosting rectifier control signal is not exported is sent to the driving switch circuit, the drive to the booster circuit, and plural switch control signal
Dynamic switching circuit connects first and second electrode, and the driving switch circuit receives the booster power and the grade switch control signals,
To export the continuous voltage to the cholesterol liquid crystal panel.
Preferably, which is DC voltage or alternating voltage, and the waveform of the continuous voltage is a square-wave signal.
Preferably, the voltage range of the continuous voltage is between 2 volts~9 volts.
Preferably, which is less than a threshold voltage of the cholesteric liquid crystal layer.
Preferably, which is the hand of a user or a blackboard eraser or a wiping pen.
Preferably, the amplitude of the continuous voltage positive and negative 2 volts~it is positive and negative between 9 volts.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 attached drawing is the operation implementation diagram of the utility model embodiment.
Fig. 2 attached drawing is another operation implementation diagram of the utility model embodiment.
Fig. 3 attached drawing is another operation implementation diagram of the utility model embodiment.
Fig. 4 attached drawing is another operation implementation diagram of the utility model embodiment.
Fig. 5 attached drawing erases in part for the Electronic Paper clipboard of the utility model embodiment and operates implementation diagram.
Fig. 6 attached drawing is to have operated implementation diagram after the Electronic Paper clipboard of the utility model embodiment has locally been erased.
Fig. 7 attached drawing is the signal waveform signal of the output continuous voltage of the driving switch circuit of the utility model embodiment
Figure.
Wherein, in figure, 1- device；10- cholesterol liquid crystal panel；101- first substrate；1011- first electrode；102-
Two substrates；1021- second electrode；1023- black absorbing layer；103- cholesteric liquid crystal layer；The area to be erased 104-；105- display behaviour
Make face；12- control unit；121- microcontroller；122- booster circuit；123- driving switch circuit；13- switch element；14- is smeared
Except unit；2- Electronic Paper clipboard；3- power supply.
Specific embodiment
The utility model aim and its structure and characteristic functionally, will be said according to the preferred embodiment of institute's accompanying drawings
It is bright.
The utility model is a kind of device for having local reduction cholesterol liquid crystal.Please referring to attached drawing 1 is this utility model
Embodiment operation implementation diagram；Attached drawing 2 is another operation implementation diagram of the utility model embodiment, and is aided with ginseng
Read attached drawing 5.As shown, the device 1 of the utility model is to be applied to 2 (such as cholesteric liquid of an Electronic Paper clipboard in embodiment
Crystal electronic paper clipboard) on, and the device 1 of the utility model includes a cholesterol liquid crystal panel 10, a control unit 12 and one
Erased cell 14, the cholesterol liquid crystal panel 10 include a first substrate 101, a second substrate 102 and a cholesteric liquid crystal layer
103, which is a flexible base plate, such as receives pressure and the flexible soft perspex that deforms
Substrate, wherein the material of first and second substrate 101,102 is such as polycarbonate (PC) substrate, polyethersulfone resin (PES) substrate
Or polyethylene terephthalate (PET) substrate.
And a surface (i.e. a side surface of first substrate 101) for the first substrate 101 is a display operation face 105, is used
So that user can be directly operated on the display operation face 105 of the cholesterol liquid crystal panel 10 (as writing or part are clear
Except) with viewing, and the surface definition of the first substrate 101 has at least one area 104 to be erased, should area 104 be erased be located at this
On one side surface of one substrate 101, and being somebody's turn to do area 104 to be erased is to have in the writing image shown on 105 full wafer of display operation face
The region that a certain local location need to be removed, such as with reference to attached drawing 5, user is in the display operation face of the cholesterol liquid crystal panel 10
The P letter image that display is write on 105 thinks that change is shown as D letter, the bottom end of the arc section of the P letter image shown at this time
It is area 104 to be erased to position between lower straight.The second substrate 102 has a black absorbing layer 1023, which inhales
It receives 1023 system of layer to be for example formed in coating method on the other side of the second substrate 102, to constitute such as black plastic PET base
Plate.
The first substrate 101 is equipped with a first electrode 1011, which is equipped with a second electrode 1021,
The material of first and second electrode 1011,1021 is such as ITO (tin indium oxide, indium tin oxide), IZO (indium oxide
Zinc, indium zinc oxide), AZO (aluminum zinc oxide, aluminum zinc oxide), ZnO (zinc oxide, zinc
Oxide), SnO2 (stannic oxide) or In2O3 (indium sesquioxide), and 1011,1021 points of first and second electrode of the present embodiment
The side of the first substrate 101 and the side of the second substrate 102 are not set, and 1011 system of first electrode is with respect to the second electrode
1021, which is set to the first substrate 101 with respect to the black absorbing layer 1023, the cholesteric liquid crystal layer 103
Between first electrode 1011 and the second electrode 1021 of the second substrate 102, which has plural liquid crystal point
Son, which is cholesterol liquid crystal (cholesteric liquid crystal) molecule in the present embodiment, and the gallbladder
The equal liquid crystal molecules of sterol liquid crystal layer 103 have a display state and a removing state, the display state of the equal liquid crystal molecules
It is a flat surface state (planartexture) and a Focal conic state (focal conic texture), the plane respectively with removing state
State and two stable states of Focal conic state are referred to as bistable state, and wherein the Focal conic state is that the Liquid Crystal Molecules Alignments such as this are chaotic, can incite somebody to action
Incident ray scattering, normally referred to as dark-state (dark state), this state can see 103 lower layers of object of cholesteric liquid crystal layer
The color (i.e. the black absorbing layer 1023 of the second substrate 102) of matter, that is, whole face black back is presented in the cholesterol liquid crystal panel 10
Scape (refering to attached drawing 1) represents the cholesterol liquid crystal panel 10 and has all been removed without any image frame (such as without writing image)；
The plane state is that the Liquid Crystal Molecules Alignments such as this neatly can be with the state of reflection characteristic wavelength light, commonly referred to as illuminated state (bright
State), that is, the cholesterol liquid crystal panel 10 shows writing (or text or pattern) image such as white (refering to attached drawing 2).
Another person, which is separately connected the corresponding cholesterol liquid crystal panel 10 and a power supply 3, the power supply 3 can be
One AC power source or a DC power supply, and the control unit 12 includes a microcontroller 121, a booster circuit 122 and a driving
Switching circuit 123, the booster circuit 122 couple the power supply 3 and the driving switch circuit 123, and the booster circuit 122 will be will connect
The voltage (such as 3 volts) for receiving power supply 3 is boosted, and to export a booster power to the driving switch circuit 123, which is opened
Powered-down road 123 connects first and second electrode 1011,1021, and the driving switch circuit 123 receives the booster power and microcontroller
The plural switch control signal that device 121 transmits.
And the booster circuit 122 and the driving switch circuit 123 and a switch member is electrically connected in the microcontroller 121
Part 13, the switch element 13 can transmit a part and remove signal to the microcontroller 121, if the switch when being pressed and being connected
When element 13 is not pressed, then the switch element 13, which is not turned on and does not transmit the part, removes signal；In when it is implemented, this is opened
It closes element 13 to be arranged on the Electronic Paper clipboard 2, be pressed with for user.And the microcontroller 121 is clear according to the part
Except signal exports respectively, a boosting rectifier control signal sends the booster circuit 122 to and the grade switch control signals send the drive to
Dynamic switching circuit 123, enables the microcontroller 121 control the booster circuit 122 to received power supply according to the boosting rectifier control signal
3 boost, and drive the driving switch circuit 123 to act according to grade switch control signals control, and the driving switch is electric
After road 123 receives the booster power, then the driving of the equal switch control signals of the microcontroller 121 output is penetrated, makes this
Driving switch circuit 123 exports a continuous voltage to the cholesterol liquid crystal panel 10.Wherein the microcontroller 121 is using counting
The mode of device makes the grade switch control signals of output have different counting steps, can effectively drive the driving switch whereby
The circuit operation of circuit 123.In addition, foregoing continuous voltage is alternating voltage (or DC voltage), which is microcontroller
Signal is removed in the part that device 121 is continued for receiving depressed (such as the pressing 6 seconds) transmission of the switch element 13, to drive
The driving switch circuit 123 is persistently exported to the voltage of the cholesterol liquid crystal panel 10, such as 6 seconds；And the waveform of the continuous voltage
For a square-wave signal (refering to attached drawing 7), and its voltage range, between 2 volts~9 volts, wherein the amplitude of square-wave signal is to be situated between
Between+V and-V (such as amplitude between positive and negative 2 volts~positive and negative between 9 volts), the waveform horizontal axis unit of square wave is time (T),
Longitudinal axis unit is voltage (V).In when it is implemented, microcontroller 121 is to think local removing (or part is erased) according to user
Region number come adjust press the switch element 13 time number, and then determine output to cholesterol liquid crystal panel 10
Voltage time number, for example, on the display operation face 105 of cholesterol liquid crystal panel 10 full wafer write image in will for certain 3
A regional area erased (i.e. 3 wait area 104 of erasing) when, enabling user then and need the long switch element 13 that presses is such as to be up to
15 seconds, and then output also persistently provides 15 seconds time to the continuous voltage of cholesterol liquid crystal panel 10.
Furthermore the continuous voltage (such as 7 volts) of this creation is less than a threshold voltage of the cholesteric liquid crystal layer 103 (such as
20 volts), since the continuous voltage is less than the threshold voltage of the cholesteric liquid crystal layer 103, allow the cholesteric liquid crystal layer 103
The states of the grade liquid crystal molecules can not also change (as display state is changed into removing state).And the erased cell 14 is in this reality
Apply example be a user hand (such as finger), however, it is not limited to this, in when it is implemented, be alternatively chosn to a blackboard eraser or
One wiping pen or other objects.And the erased cell 14 is to bestow a pressure in the cholesterol liquid crystal panel 10 wait erase
In area 104, so that compression is somebody's turn to do corresponding cholesteric liquid crystal layer 103 at area 104 to be erased can be become removing shape from the display state
State.
Attached drawing 1, attached drawing 2, attached drawing 5 are please referred to, when user writes on Electronic Paper clipboard 2, user, which penetrates, to be appointed
What hard objects (such as finger or lettering pen), after bringing pressure to bear on the display operation face 105 of the cholesterol liquid crystal panel 10, is connecing
In the region for receiving pressure, the grade liquid crystal molecules of the cholesteric liquid crystal layer 103 can be changed into plane state by original Focal conic state, this
When user not write and the display operation face 105 on pressure remove after, in the region for receiving excess pressure, the liquid crystal molecule
Because having bistable characteristic, plane state (showing state) can be rested on, makes the display operation face 105 that white can be presented
It writes image (such as P letter image).
With reference to attached drawing 3, attached drawing 4, attached drawing 5, attached drawing 6, after finishing writing, user is had found in cholesterol liquid crystal panel 10
When having regional area that need to erase in the writing image of display, such as want for P letter image to be rewritten as to make at this time such as D letter image
Another finger (such as the right hand refers to) of user need Continued depression the switch element 13 be to make 121 basis of microcontroller such as 5 seconds
Part removing signal output boosting rectifier control signal is persistently received to control the booster circuit 122 to the boost in voltage of power supply and be somebody's turn to do
Equal switch control signals control drives the circuit operation of driving switch circuit 123, and then the driving switch circuit 123 receives
Driving after the booster power, and simultaneously through the equal switches control signal, and the continuous voltage is exported to the cholesterol liquid crystal panel
10, user penetrates a finger (the i.e. erased cell 14 of oneself at this time；As left hand refers to) shown on the display operation face 105
It is (such as left and right to apply back and forth that the area to be erased 104 of the bottom end of the arc section of P letter image to position between lower straight applies a pressure
Pressure；Refering to attached drawing 5) while, the driving switch circuit 123 is still in the lasting continuous voltage that exports to the cholesterol liquid crystal panel
10, the liquid crystal molecule for then receiving the corresponding cholesteric liquid crystal layer 103 in 104 lower section of area to be erased of pressure is also under pressure by this
The reduction of plane state becomes Focal conic state, and (i.e. the display state becomes removing state；Refering to attached drawing 3), until the hand of user is smeared
After also leaving the display operation face 105 and the switch element 13 except complete and finger, the display operation face 105 is presented then through part
The white after (or local reduction) of erasing writes image (such as D letter image；Refering to attached drawing 4, attached drawing 6).
Therefore, the design that this device 1 is created through this makes it possible to the liquid crystal molecule of local reduction cholesteric liquid crystal layer 103,
Image is write effectively to achieve the effect that locally to erase, and then user is allowed above to bring comparable convenience in use.
Claims (10)
1. a kind of device for having local reduction cholesterol liquid crystal characterized by comprising
One cholesterol liquid crystal panel includes a first substrate, a second substrate and a cholesteric liquid crystal layer, sets on the first substrate
There is a first electrode, which is equipped with a second electrode system with respect to the first electrode, which is set to should
Between first and second substrate, and the cholesteric liquid crystal layer has a display state and a removing state, and at least one position to be erased
In on a surface of the first substrate；
One control unit, is separately connected the corresponding cholesterol liquid crystal panel and a power supply, which continues to export one
Voltage gives the cholesterol liquid crystal panel；And
One erased cell bestows a pressure at least one area to be erased, and makes the corresponding gallbladder at least one area to be erased that is pressurized
Sterol liquid crystal layer becomes the removing state from the display state.
2. the device of tool local reduction cholesterol liquid crystal according to claim 1, which is characterized in that the wherein first electrode
It is located at the side of the first substrate, which is located at the side of the second substrate, and the opposite first electrode, the cholesterol
Liquid crystal layer is set between first and second electrode.
3. the device of tool local reduction cholesterol liquid crystal according to claim 2, which is characterized in that the wherein the second substrate
With a black absorbing layer, which is formed in the other side of the second substrate, and the opposite second electrode.
4. it is according to claim 1 tool local reduction cholesterol liquid crystal device, which is characterized in that wherein this first and second
Substrate is a flexible base plate.
5. the device of tool local reduction cholesterol liquid crystal according to claim 1, which is characterized in that the wherein cholesteric liquid
Crystal layer has a plural liquid crystal molecule, display state and the removing state of the plural number liquid crystal molecule be a flat surface respectively state and
One Focal conic state.
6. the device of tool local reduction cholesterol liquid crystal according to claim 1, which is characterized in that the wherein control unit
Comprising a microcontroller, a booster circuit and a driving switch circuit, which is separately connected the power supply and the driving is opened
Powered-down road, to export a booster power, the microcontroller be electrically connected the booster circuit and the driving switch circuit and
One switch element, the microcontroller remove signal according to the part that the switch element transmits and export a boosting rectifier control signal respectively
Give the booster circuit, and plural switch control signal is sent to the driving switch circuit, the driving switch circuit connection this first,
Two electrodes, and the driving switch circuit receives the booster power and the plural switch control signal, continues electricity to export this
It presses and gives the cholesterol liquid crystal panel.
7. the device of tool local reduction cholesterol liquid crystal according to claim 1, which is characterized in that the wherein continuous voltage
For DC voltage or alternating voltage, the waveform of the continuous voltage is a square-wave signal.
8. the device of tool local reduction cholesterol liquid crystal according to claim 1, which is characterized in that the wherein continuous voltage
Voltage range between 2 volts~9 volts.
9. the device of tool local reduction cholesterol liquid crystal according to claim 1, which is characterized in that the wherein continuous voltage
Less than a threshold voltage of the cholesteric liquid crystal layer.
10. the device of tool local reduction cholesterol liquid crystal according to claim 1, which is characterized in that the wherein list of erasing
Member is the hand of a user or a blackboard eraser or a wiping pen.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW106217568 | 2017-11-24 | ||
| TW106217568U TWM558977U (en) | 2017-11-24 | 2017-11-24 | Device with partially recovery cholesteric liquid crystal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208314427U true CN208314427U (en) | 2019-01-01 |
Family
ID=62644852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820263914.0U Active CN208314427U (en) | 2017-11-24 | 2018-02-23 | Device with local reduction cholesterol liquid crystal |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN208314427U (en) |
| TW (1) | TWM558977U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110703527A (en) * | 2019-09-04 | 2020-01-17 | 陈华丰 | Liquid crystal display device and erasing method thereof |
Families Citing this family (3)
| 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 |
| CN108984002B (en) * | 2018-07-13 | 2021-12-28 | 广东小天才科技有限公司 | Device and method for determining local erasing voltage of electronic drawing board |
| TWI738417B (en) * | 2020-07-10 | 2021-09-01 | 友達光電股份有限公司 | Display device and driving method thereof |
-
2017
- 2017-11-24 TW TW106217568U patent/TWM558977U/en not_active IP Right Cessation
-
2018
- 2018-02-23 CN CN201820263914.0U patent/CN208314427U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110703527A (en) * | 2019-09-04 | 2020-01-17 | 陈华丰 | Liquid crystal display device and erasing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| TWM558977U (en) | 2018-04-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208314427U (en) | Device with local reduction cholesterol liquid crystal | |
| CN105683885B (en) | Electronic writing equipment with dot pattern identifying system | |
| US8228301B2 (en) | Multiple color writing tablet | |
| CN107844218B (en) | Liquid crystal writing pad with local erasing function, writing pen and liquid crystal blackboard | |
| US20100265214A1 (en) | Writing tablet information recording device | |
| CN101373305B (en) | Electric paper display | |
| US20180143475A1 (en) | Liquid crystal writing device | |
| CN204925551U (en) | Display device is write by hand to liquid crystal | |
| US9229259B2 (en) | Cholesteric writing board display device | |
| CN107728398A (en) | Liquid crystal board system and its method for deleting | |
| CN206773361U (en) | Hand writing display device | |
| CN202257492U (en) | Electronic whiteboard | |
| CN109597259A (en) | Can selective erase liquid crystal handwriting pad and erasing apparatus | |
| CN106919293A (en) | Hand-written screen assembly, display device | |
| CN211264011U (en) | Liquid crystal writing film, writing board, blackboard and drawing board capable of achieving local erasing | |
| CN110737142B (en) | Electronic writing instrument with enhanced line sharpness | |
| CN102654708A (en) | Handwritten electronic paper display and manufacturing method thereof | |
| CN113759623B (en) | Liquid crystal writing board, display method thereof and writing device | |
| CN104118249A (en) | Electronic writing board | |
| US20110181531A1 (en) | Electronic paper device | |
| CN108710228A (en) | Write film layer structure and its manufactured projection writing device | |
| CN208432826U (en) | Anti-dazzle large scale intelligent blackboard | |
| CN203455820U (en) | Touch panel | |
| CN112987366B (en) | Electronic handwriting board and application method thereof and terminal equipment | |
| CN103049123A (en) | Touch device with dynamic touch and manufacturing method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190121 Address after: 518000 Haosheng Business Center, Dongbin Road, Nanshan Street, Nanshan District, Shenzhen City, Guangdong Province 708B Patentee after: Shenzhen Orange Energy Technology Co., Ltd. Address before: Zhonghe Meishanli 22, Taipei County, Taiwan, China, is located on the third floor of No. 35, 136 lane, the third section of Zhongshan Road. Patentee before: Chen Wenbin |