CN207336987U - A kind of display device for being integrated with bistable liquid crystal film - Google Patents
A kind of display device for being integrated with bistable liquid crystal film Download PDFInfo
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- CN207336987U CN207336987U CN201720649013.0U CN201720649013U CN207336987U CN 207336987 U CN207336987 U CN 207336987U CN 201720649013 U CN201720649013 U CN 201720649013U CN 207336987 U CN207336987 U CN 207336987U
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- liquid crystal
- crystal film
- bistable liquid
- bistable
- display device
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Abstract
It the utility model is related to a kind of display device for being integrated with bistable liquid crystal film, it includes bistable liquid crystal film and display screen body, the bistable liquid crystal film is arranged at the top of the display screen body, when the bistable liquid crystal film is in H states, the bistable liquid crystal film is in pellucidity, at this time, the display device is consistent with traditional display screen functions to show image to be provided for user, when the bistable liquid crystal film is in FC states, the bistable liquid crystal film is in recording status, at this time, the display screen body does not work, the display device is consistent with traditional writing pads function to be used as hand-written equipments of recording, when the bistable liquid crystal film is in FC states, the bistable liquid crystal film is in recording status, at the same time, the display screen body electrified light emitting, this moment, the display screen body is the backlight of the bistable liquid crystal film.
Description
Technical field
A kind of display device is the utility model is related to, is particularly related to a kind of including bistable liquid crystal film and display screen body
Display device, wherein, when the bistable liquid crystal film is in H states, which is in pellucidity, and at this time, this is aobvious
Showing device is consistent with traditional display screen functions to provide display image for user, when the bistable liquid crystal film is in FC states
When, which is in recording status, and at this time, which does not work, the display device and traditional handwriting pad
Function is unanimously used as hand-written equipments of recording, and when the bistable liquid crystal film is in FC states, which is in record
State, meanwhile, the display screen body electrified light emitting, this moment, the display screen body are the backlight of the bistable liquid crystal film.
Background technology
For in terms of with Display Technique, bistable state is exactly in same display CELL, is not being applied under alive situation,
Two kinds of different states of illuminated state and dark-state can be possessed, and maintenance can be continued and gone down, therefore be bistable state as its name suggests.
Such technology is applied has several benefits in display, that is, is not applying under alive situation, you can memory picture,
Electricity consume can effectively be reduced.In the ideal situation, bistable state technology display compares traditional liquid crystal Display Technique, can save
Up to hundreds times of power consumption.This state is quite suitably applied the display applications that frequent updating picture is not required.
In addition, bistable reflective formula cholesteric liquid crystal devices be using cholesteric liquid crystal bistable behavior development and
Into it has the advantages that many conventional liquid crystal parts are incomparable：First, it uses null field bistable display, without brush
Newly, the advantages of and backlight being not required, has really played liquid crystal display micro energy lose；Secondly, it uses Bragg reflected lights to show
Show, it is easy to accomplish it is colored, and there is readability in the sun, suitable for outdoor display；Polarizer is not required in it, so that significantly
Improve display brightness；Under zero electric field, each pixel of display can add suitable steadily in the long term in different reflection states for it
When voltage pulse can realize that conversion between different stable states and gray scale are shown, this display device especially suitable for e-book,
The field such as electronics curtain and commercial advertisement.The bistable behavior of cholesteric liquid crystal is usually obtained by two kinds of approach：One is in courage
Polymer is added in steroid phase liquid crystal, corresponding device is known as polymer stabilized cholesteric phase liquid crystal；The second is device surface is carried out
Proper treatment, corresponding device are known as surface stabilized cholesteric liquid crystal.Cholesteric liquid crystal has four kinds of different molecule arranging structures,
The first is that planar texture state is known as p states；Second is that conical texture state is known as fc states；The third be vertical texture or
Nematic phase is caused for field, is known as h states；4th kind is that of short duration plane state is known as p* states.Under zero electric field, the cholesteric phase in p states
Liquid crystal has periodic helical structure, its helical axis is substantially vertical with cell surface, p states cholesteric liquid crystal is applied certain
The electric field of intensity, then cholesteric liquid crystal fc states can be converted to from p states, its helical axis distribution is disorderly and unsystematic, is substantially oriented and base
Plate is parallel.When this electric field vanishing, fc states constitute another null field stable state under certain condition.Cholesteric in fc states
The periodicity of phase liquid crystal helix structure has not existed, and multidomain state is presented, but the helical structure in each farmland still suffers from, therefore it
Scattering is produced to incident light.If applying sufficiently high electric field to liquid crystal, liquid crystal will change to h states, this state molecule is all along electricity
Field direction arranges, and liquid crystal is transparent.To the cholesteric liquid crystal in h states, when voltage drops to zero rapidly, liquid crystal molecule returns to
P states；When voltage slowly reduces, liquid crystal molecule is then changed into fc states.
Using the characteristic of bistable liquid crystal, when there is pressure to be able to record track when acting on liquid crystal screen surfaces, in certain electricity
Under corrugating driving, state liquid crystal display returns to original state.Faint Guinea only is needed when driving and refreshing, so as to fulfill production
Product low-power consumption, current such a technology have been had been applied in erasable handwriting pad.
Current display is typically all the coupling apparatus of display screen and touch-screen.It mainly utilizes touch screen induction contact
Movement locus, and such a display device is limited to the operation principle of touch-screen and is being write, painted or similar action
When touch-screen can not completely capture original person's handwriting, its use feeling is poor.
It can catch using hand-written class apparatus of pulling made of bistable display film and retain original person's handwriting, it can increase
Experience sense during strong writing by, and with easy to operate, many advantages, such as saving paper, but the technology mesh of bistable display film
Preceding rests on and makes in the hand-written field for pulling class apparatus, there is presently no go out to be now able to by bistable display film and display into
Row is superimposed and then lifts the product and technology of user's impression, and this is the major defect for conventional art.
Utility model content
The utility model provides a kind of display device for being integrated with bistable liquid crystal film, and the utility model is by bistable display
Film combines to form a kind of display device with display screen, it neither influences the function of former display screen when work, again
It can increase the experience sense of writing, retain former person's handwriting, in addition the utility model is by display screen and the function knot of bistable liquid crystal film
It is combined, it had both enriched the function of display screen, also enriched the experience sense of bistable liquid crystal film writing, and this is for this reality
With new main purpose.
Technical solution is used by the utility model：A kind of display device for being integrated with bistable liquid crystal film, it includes
Bistable liquid crystal film and display screen body, the bistable liquid crystal film are arranged on the display screen body display surface side, the bistable state liquid
Epitaxial is connected with drive circuit, which includes three kinds of FC states, P states and H states states, which provides
Drive signal makes the bistable liquid crystal film be converted between three kinds of states, make the display device have display screen body display function,
Liquid crystal film writing function and display screen body display background while liquid crystal film pen trace function.
When the bistable liquid crystal film is in H states, which is in pellucidity, this moment, the display screen body
The light penetration sent the bistable liquid crystal film, which irradiates, to be come, and is at this time the display screen body display function of the display device.
When the bistable liquid crystal film is in FC states, which is in recording status, and this moment, user utilizes
Lettering pen applies writing pressure in the bistable liquid crystal film surface, and what is be under pressure on the bistable liquid crystal film is partially converted to P
State, and then handwriting trace is recorded by the bistable liquid crystal film, and the handwriting trace is externally shown by the bistable liquid crystal film, this
When, which does not work, and is this moment the liquid crystal film writing function of the display device.
When the bistable liquid crystal film is in FC states, which is in recording status, and this moment, user utilizes
Lettering pen applies writing pressure in the bistable liquid crystal film surface, and what is be under pressure on the bistable liquid crystal film is partially converted to P
State, and then handwriting trace is recorded by the bistable liquid crystal film, meanwhile, the display screen body electrified light emitting, this moment, which is
The backlight of the bistable liquid crystal film, this moment, for the display screen body display background while liquid crystal film pen trace of the display device
Function.
The drive circuit provide drive signal can make on the bistable liquid crystal film in P states position be converted to FC states with
The bistable liquid crystal film is set to return back to FC states.
The beneficial effects of the utility model are：The display device of the utility model it possess handwriting functions, display function with
And the interaction function of handwriting pad and display screen, and user can need arbitrarily to switch three kinds of functions according to use, its
The function of former display screen is neither influenced when work, and the experience sense of writing can be increased, retains former person's handwriting, in addition this reality
It is combined together with the new function by display screen and bistable liquid crystal film, it had both enriched the function of display screen, also enriched
The experience sense of bistable liquid crystal film writing.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model.
Fig. 2 is the structure diagram of the utility model bistable liquid crystal film.
Embodiment
As shown in Fig. 1 to 2, a kind of display device for being integrated with bistable liquid crystal film, it include bistable liquid crystal film 10 with
And display screen body 20, the bistable liquid crystal film 10 are arranged on the 20 display surface side of display screen body, the bistable liquid crystal film 10 with
Drive circuit 30 is connected.
The bistable liquid crystal film 10 includes three kinds of FC states, P states and H states states.The drive circuit 30 provides drive signal
The bistable liquid crystal film 10 is set to be converted between three kinds of states.
When the bistable liquid crystal film 10 is in H states, which is in pellucidity, this moment, the display
The light penetration bistable liquid crystal film 10 that screen body 20 is sent, which irradiates, carrys out, at this time, the display device and traditional display screen
Function unanimously shows image to be provided for user.
When the bistable liquid crystal film 10 is in FC states, which is in recording status, this moment, user
Apply writing pressure, the part being under pressure on the bistable liquid crystal film 10 on 10 surface of bistable liquid crystal film using lettering pen
P states are converted to, and then handwriting trace is recorded by the bistable liquid crystal film 10, and the book is externally shown by the bistable liquid crystal film 10
Track is write, at this time, which does not work, and the display device is consistent with traditional writing pads function to be used as hand-written record work
Tool uses.
When the bistable liquid crystal film 10 is in FC states, which is in recording status, this moment, user
Apply writing pressure, the part being under pressure on the bistable liquid crystal film 10 on 10 surface of bistable liquid crystal film using lettering pen
P states are converted to, and then handwriting trace is recorded by the bistable liquid crystal film 10, meanwhile, 20 electrified light emitting of display screen body, this moment,
The display screen body 20 is the backlight of the bistable liquid crystal film 10.This moment, which can be as the bistable liquid crystal
The background patterns of film 10.
In this case, can if the content of the display screen body 20 display is single or colored background colour
Lift use feeling of the display device as handwriting pad.
, can be by the bistable liquid crystal film 10 if the content of the display screen body 20 display is file category information
The handwriting trace of record provides the functions such as annotation, mark.
If the display screen body 20 display content for picture when entertainment information, can be by the bistable liquid crystal film
The handwriting trace recorded on 10 provides the functions such as amusement, drawing, imitation.
The drive circuit 30, which provides drive signal, can make the position in P states on the bistable liquid crystal film 10 be converted to FC
State is so that the bistable liquid crystal film 10 returns back to FC states.
The display device further includes touch screen layer 40, which can be arranged on 10 top surface of bistable liquid crystal film
On, which can also be arranged between the bistable liquid crystal film 10 and the display screen body 20.The touch screen layer 40
It can be separately positioned on the bottom surface of the bistable liquid crystal film 10 and the display screen body 20.
The touch screen layer 40 includes ITO layer.The touch screen layer 40 can also include electromagnetic induction layer.
The touch screen layer 40 to sense the handwriting trace, with reach user can the touch control display device and
Record the effect of the handwriting trace.
When specific implementation, which includes top coat 11, liquid crystal layer 12 and bottom surface layer 13, its
In, which is arranged between the top coat 11 and the bottom surface layer 13.
The top coat 11 and the bottom surface layer 13 can have the materials such as PET, glass to be made.
Waterproof layer can also be set above the top coat 11.
When specific implementation, which can be that electronic ink screen, LED screen, LCD screen, OLED screen etc. are more
Kind screen body.
When specific implementation, since the bistable liquid crystal film 10 and the display screen body 20 can be made into thickness very
Thin screen body, the lower section of the display screen body 20 is arranged on so can also use by the bistable liquid crystal film 10, or by the bistable
State liquid crystal film 10 plugs the method in 20 layer structure of display screen body to realize identical function.
Claims (8)
- A kind of 1. display device for being integrated with bistable liquid crystal film, it is characterised in that：Including bistable liquid crystal film and display screen Body, the bistable liquid crystal film are arranged on the display screen body display surface side, which is connected with drive circuit.
- A kind of 2. display device for being integrated with bistable liquid crystal film as claimed in claim 1, it is characterised in that：The display device Further include touch screen layer.
- A kind of 3. display device for being integrated with bistable liquid crystal film as claimed in claim 2, it is characterised in that：The touch screen layer It is arranged on the bistable liquid crystal film top surface.
- A kind of 4. display device for being integrated with bistable liquid crystal film as claimed in claim 2, it is characterised in that：The touch screen layer It is arranged between the bistable liquid crystal film and the display screen body.
- A kind of 5. display device for being integrated with bistable liquid crystal film as claimed in claim 2, it is characterised in that：The touch screen layer It is separately positioned on the bottom surface of the bistable liquid crystal film and the display screen body.
- A kind of 6. display device for being integrated with bistable liquid crystal film as claimed in claim 2, it is characterised in that：The touch screen layer Including ITO layer.
- A kind of 7. display device for being integrated with bistable liquid crystal film as claimed in claim 2, it is characterised in that：The touch screen layer Including electromagnetic induction layer.
- A kind of 8. display device for being integrated with bistable liquid crystal film as claimed in claim 1, it is characterised in that：The bistable state liquid Epitaxial includes top coat, liquid crystal layer and bottom surface layer, wherein, which is arranged between the top coat and the bottom surface layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720649013.0U CN207336987U (en) | 2017-06-06 | 2017-06-06 | A kind of display device for being integrated with bistable liquid crystal film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720649013.0U CN207336987U (en) | 2017-06-06 | 2017-06-06 | A kind of display device for being integrated with bistable liquid crystal film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207336987U true CN207336987U (en) | 2018-05-08 |
Family
ID=62426308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720649013.0U Expired - Fee Related CN207336987U (en) | 2017-06-06 | 2017-06-06 | A kind of display device for being integrated with bistable liquid crystal film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207336987U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108962043A (en) * | 2018-07-27 | 2018-12-07 | 上海天马微电子有限公司 | Inorganic light-emitting diode display panel and display device |
-
2017
- 2017-06-06 CN CN201720649013.0U patent/CN207336987U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108962043A (en) * | 2018-07-27 | 2018-12-07 | 上海天马微电子有限公司 | Inorganic light-emitting diode display panel and display device |
| CN108962043B (en) * | 2018-07-27 | 2020-11-03 | 上海天马微电子有限公司 | Inorganic light emitting diode display panel and display device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180508 Termination date: 20200606 |