CN206773362U - Liquid crystal light modulation device - Google Patents
Liquid crystal light modulation device Download PDFInfo
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- CN206773362U CN206773362U CN201720657580.0U CN201720657580U CN206773362U CN 206773362 U CN206773362 U CN 206773362U CN 201720657580 U CN201720657580 U CN 201720657580U CN 206773362 U CN206773362 U CN 206773362U
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- light modulation
- modulation device
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Abstract
The utility model discloses a kind of liquid crystal light modulation device, including：Transparency carrier；Liquid crystal film, it is attached to a surface of the transparency carrier, it includes the first basalis, first electrode layer, cholesteric liquid crystal layers, the second electrode lay and the second basalis set gradually, wherein, first basalis and the second basalis are the transparent body, the first electrode layer and the second electrode lay are parallel to each other and transparent electrode grizzly bar, the electrode grizzly bar of the first electrode layer and the electrode grizzly bar of the second electrode lay are mutually perpendicular to by some；And control device, it is connected with the electrode grizzly bar, for the electrode grid row replacement making alive, the voltage applied to include first voltage and second voltage.Liquid crystal light modulation device of the present utility model can realize the state for accurately controlling each pixel using the electrode grizzly bar of intersection, so as to realize picture and text showing.In addition, this liquid crystal light modulation device has bistable characteristic, display can be achieved without continued power, there is the advantages of low in energy consumption.
Description
Technical field
Field of liquid crystal display is the utility model is related to, more particularly to a kind of liquid crystal light modulation device.
Background technology
With expanding economy and the raising of technical merit, increasing dimming glass applies to various places.Light modulation
The principle of glass is to make use of the electrooptic effect of liquid crystal, and when liquid crystal is changed into muddy state under the first electric field, dimming glass is in integrally
Existing mist state；When liquid crystal is transparent state under the second electric field, dimming glass is integrally rendered as transparent state.But existing dimming glass
That state no matter is maintained to be required to persistently power up liquid crystal, power consumption is big.Further, since electrode set can only be overall control
Dimming glass is transparent or opaque, can not realize to some region of individually control, single effect is presented.
Utility model content
Main purpose of the present utility model is to propose a kind of liquid crystal light modulation device, including：
Transparency carrier；
Liquid crystal film, a surface of the transparency carrier is attached to, it includes the first basalis, the first electrode set gradually
Layer, cholesteric liquid crystal layers, the second electrode lay and the second basalis, wherein, first basalis and the second basalis are transparent
Body, the first electrode layer and the second electrode lay are parallel to each other and transparent electrode grizzly bar by some, the first electrode layer
Electrode grizzly bar and the electrode grizzly bar of the second electrode lay be mutually perpendicular to；And
Control device, it is connected with the electrode grizzly bar, for the electrode grid row replacement making alive, the voltage bag applied
Include first voltage and second voltage.
Preferably, the control device includes：
Power module, including the first power subsystem and second for providing second voltage for providing first voltage are electric
Source unit, first power subsystem and second source unit are connected with the electrode grizzly bar；And
Controlling switch, the controlling switch are used to control the first power subsystem or second source unit and the electrode grizzly bar
Between break-make.
Preferably, the control device includes：
Power interface, for being connected with external power source；
Voltage processing module, for the voltage of outside power input is boosted and/or decompression processing, to obtain first
Voltage and second voltage；And
Controlling switch, the break-make that the controlling switch is used between control voltage processing module and the electrode grizzly bar.
Preferably, the control device also includes：
Communication module, for receiving the control signal of outside, and according to the control signal to the specified electrode grid
Bar applies given voltage.
Preferably, the communication module is wireless communication module.
Preferably, the scope of the first voltage is that the scope of [0~30V] described second voltage is [30~80V].
Preferably, first basalis and the second basalis are PET film, and the electrode grizzly bar is ITO.
Preferably, the liquid crystal light modulation device also includes：
Transparent panel, the liquid crystal film are clamped between the transparent panel and transparency carrier.
Liquid crystal light modulation device of the present utility model can be realized using the electrode grizzly bar of intersection accurately controls each pixel
State, so as to realize picture and text showing.In addition, this liquid crystal light modulation device has bistable characteristic, can be real without continued power
Now show that there is the advantages of low in energy consumption.
Brief description of the drawings
Fig. 1 is the schematic cross-section of the embodiment of the utility model liquid crystal light modulation device one；
Fig. 2 is the schematic cross-section of the embodiment of control device one in the utility model liquid crystal light modulation device；
Fig. 3 is the schematic cross-section of another embodiment of control device in the utility model liquid crystal light modulation device；
Fig. 4 is the schematic cross-section of another embodiment of the utility model liquid crystal light modulation device.
Realization, functional characteristics and the advantage of the utility model purpose will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe.Obviously, described embodiment is only part of the embodiment of the present utility model, rather than all
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belong to the scope of the utility model protection.
The utility model proposes a kind of liquid crystal light modulation device, as shown in figure 1, the liquid crystal light modulation device include liquid crystal film 10,
Transparency carrier 20 and control device (not shown), wherein,
The liquid crystal film 10 is attached to the surface of transparency carrier 20, the first basalis 11 that liquid crystal film 10 includes setting gradually,
First electrode layer 13, cholesteric liquid crystal film 15, the basalis 12 of the second electrode lay 14 and second, wherein, the first basalis 11 and
Two basalises 12 are the transparent body, and first electrode layer 13 is preferably provided with the first basalis 11, and the second electrode lay 14 is preferably provided with
On the second basalis 12, first electrode layer 13 and the second electrode lay 14 are parallel to each other and transparent electrode grid by some
Bar, the electrode grizzly bar of first electrode layer 13 are mutually perpendicular to the electrode grizzly bar of the second electrode lay 14, form some pixels.
Each electrode grizzly bar of the control device respectively with first electrode layer 13 and the second electrode lay 14 is connected, for respectively to
The electrode grid bar specified applies the voltage specified, and the voltage specified includes first voltage and second voltage, it is possible to understand that, it is
Make that the state between pixel is different, and first voltage can not be equal to second voltage.
The transparency carrier 20 is used to supporting and protecting liquid crystal film 10, is typically made using transparent materials such as glass, acrylics.
In liquid crystal light modulation device, any one electrode grizzly bar in first electrode layer 13 with it is any in the second electrode lay 14
The intersection point of one electrode grizzly bar forms a pixel of liquid crystal light modulation device, therefore corresponding two an of pixel is orthogonal
Electrode grizzly bar., should when it is first voltage that control device, which controls the voltage being applied to corresponding to the pixel on two electrode grizzly bars,
Cholesteryl liquid crystal corresponding to pixel is changed into muddy state in the presence of electric field, and macroscopically the pixel is just in semi-transparent
Mist state；And when it is second voltage that control device, which controls the voltage being applied to corresponding to the pixel on two electrode grizzly bars, the picture
Cholesteryl liquid crystal corresponding to vegetarian refreshments is changed into transparent state in the presence of electric field, and macroscopically the pixel is also just in the saturating of printing opacity
Bright state.Because each pixel corresponds to unique electrode grizzly bar combination, therefore by controlling the electrode grizzly bar specified combination can
To realize the state for accurately controlling any one pixel, so as to realize the information such as the static figure of display, word, very
To being dynamic cardon, animation etc..Further, since transparent state and muddy state, cholesteric can be presented in liquid crystal under different conditions
Type liquid crystal also has transparent state and muddy state, and liquid crystal light modulation device of the present utility model has bistable characteristic, i.e., do not changed
All it is stable either in transparent state or muddy state in the case of becoming external condition, therefore need not during use
Being continuously applied voltage also can normally show, significantly reduce energy consumption.In addition, using cholesteryl liquid crystal the liquid crystal light modulation is filled
Good transparent state effect can still be kept even in the case of big visual angle by putting.
The application of the liquid crystal light modulation device is very extensive, such as can as the cut-off of meeting room, when common conference to be carried out or
When idle, the transparent state of liquid crystal light modulation device as cut-off can be controlled；When conclave to be carried out, can control as every
Disconnected liquid crystal light modulation device is in integrally mist state, ensure that the privacy of meeting room.In addition, the liquid crystal light modulation device is also used as
Electronic bill-board, exhibition room display screen, electronic meeting famous brand etc. use, and its principle realizes display again by accurate control.
In the above-described embodiments, as shown in Fig. 2 control device includes power module 40 and controlling switch 50.Wherein, the electricity
Source module 40 may include the first power subsystem 41 for providing first voltage and the second source list for providing second voltage
Member 42, the first power subsystem 41 and second source unit 42 are connected with each electrode grizzly bar 16, and the controlling switch 50 is used to control
Break-make between first power subsystem 41 or second source unit 42 and each electrode grizzly bar 16, to be applied to specified electrode grizzly bar 16
Add the voltage specified.Wherein, first power subsystem 41 and second source unit 42 can be the electricity that can provide different voltages
Pond or battery, or the combination of battery and lifting/lowering circuit.
In another embodiment, as shown in figure 3, control device includes power interface 60, voltage processing module 70 and control
Switch 50.Wherein, the power interface 60 is connected with external power source, to provide voltage.The voltage processing module 70 is used for outside
The voltage of power input is boosted and/or decompression processing, to obtain first voltage and second voltage.The controlling switch 50 is used for
Break-make between control voltage processing module 70 and electrode grizzly bar 16, to apply the voltage specified to specified electrode grizzly bar 16.
The difference of the present embodiment and previous embodiment is that the present embodiment uses externally fed, such as civil power.Previous embodiment using
In-line power, such as battery or battery.When liquid crystal light modulation device needs often movement or do not have external power supply, before can using
The mode for the in-line power stated；When liquid crystal light modulation device is relatively fixed using position, and has external power supply, internal supply can be used
The mode of electricity.Certainly also can two ways use simultaneously, now use externally fed while can also be to battery or battery
Charged.
In the above-described embodiments, the control device also includes communication module (not shown), and the communication module is used to receive
Outside control signal, and given voltage is applied to specified electrode grid bar according to control signal.User can pass through a terminal
A control signal is sent, the control signal includes user and wants the word of display, figure etc., and then the control signal is solved
Analysis, the process of parsing are：The state of each pixel is judged according to the feature of word or figure first, then according to each
The state of pixel show whether each electrode grizzly bar will apply voltage, which type of voltage applied.The process of the parsing can
To be completed by liquid crystal light modulation device, can also be completed by terminal, when the process of parsing by terminal to complete when, terminal is to liquid crystal
Light modulating device output is just the information which electrode grid bar to apply which type of voltage to.Likewise, can also be pre-stored in
In liquid crystal light modulation device, it can also be by the generation of the devices such as the computer that is connected with liquid crystal light modulation device.Communication module
Setting enriches the means that user sends control signal, is very easy to the use of liquid crystal light modulation device.
Above-mentioned terminal can be the intelligent terminals such as mobile phone, and the communication module is wireless communication module, intelligent terminal and liquid crystal
Light modulating device can use such as infrared, bluetooth, WiFi communications to connect.User can input on the specific APP of mobile phone
Word or figure, then parsed by mobile phone or liquid crystal light modulation device, then shown by liquid crystal light modulation device, such one
Come, user can carry out remote control to liquid crystal light modulation device, and without being operated on liquid crystal light modulation device, use is more square
Just.
In the above-described embodiments, the size and cholesteryl liquid crystal of the first voltage of control device control output and second voltage
The formula of film 15 is relevant, and voltage is chosen and can suitably adjusted according to the formula of cholesteric liquid crystal film 15 in actual use.Conventional the
The preferred scope of one voltage is [0~30V], and the preferred scope of second voltage is [30~80V].If first voltage is 15V, second
Voltage is 60V.Due to the characteristic of cholesteryl liquid crystal low-voltage control, the security that liquid crystal light modulation device uses is improved.Here
The preferable case of first voltage and second voltage also includes the change for applying electric field frequency.
Meanwhile in order to ensure the bonding between the first basalis 11 and the second basalis 12, or in order to increase light modulation film
Mist degree under mist state, can be added in right amount in the formula of cholesteryl liquid crystal certain oligomer resinoid, dilution monomer and
Light trigger, and form polymer network between the first basalis 11 and the second basalis 12 after uv photopolymerization.
In the above-described embodiments, because PET intensity is high, translucency is splendid, and effectively electrode grizzly bar can be protected
And support, therefore the first basalis 11 and the second basalis 12 are both preferably PET film.Further, since electrode grizzly bar needs to have
Good translucency and electric conductivity therefore preferably ITO.
As shown in figure 4, in order to preferably protect liquid crystal film 10, the liquid crystal light modulation device may also include a transparent panel 20,
Liquid crystal film 10 is clamped between transparent panel 20 and transparency carrier 30, and transparency carrier 20 and transparent panel 4 can be protected completely
Good liquid crystal film 10, ensure liquid crystal light modulation device when by nondestructive external force, internal liquid crystal film 10 will not be damaged.
The transparent panel 20 can be directly overlayed on liquid crystal film 10, and its edge is fixedly connected with transparency carrier 30, is preferably sealed, and can be prevented
Dust and other impurities enter between transparent panel 20 and transparency carrier 30, influence to show.
Preferred embodiment of the present utility model is these are only, not thereby limits the scope of the claims of the present utility model, it is every
Under utility model of the present utility model design, the equivalent structure made using the utility model specification and accompanying drawing content is become
Change, or directly/be used in other related technical areas indirectly and be included in scope of patent protection of the present utility model.
Claims (8)
- A kind of 1. liquid crystal light modulation device, it is characterised in that including：Transparency carrier；Liquid crystal film, be attached to a surface of the transparency carrier, its first basalis for including setting gradually, first electrode layer, Cholesteric liquid crystal layers, the second electrode lay and the second basalis, wherein, first basalis and the second basalis are the transparent body, The first electrode layer and the second electrode lay are parallel to each other and transparent electrode grizzly bar by some, the electricity of the first electrode layer The electrode grizzly bar of pole grizzly bar and the second electrode lay is mutually perpendicular to；AndControl device, it is connected with the electrode grizzly bar, for the electrode grid row replacement making alive, the voltage applied includes the One voltage and second voltage.
- 2. liquid crystal light modulation device as claimed in claim 1, it is characterised in that the control device includes：Power module, including for providing the first power subsystem of first voltage and second source list for providing second voltage Member, first power subsystem and second source unit are connected with the electrode grizzly bar；AndControlling switch, the controlling switch are used to control between the first power subsystem or second source unit and the electrode grizzly bar Break-make.
- 3. liquid crystal light modulation device as claimed in claim 1, it is characterised in that the control device includes：Power interface, for being connected with external power source；Voltage processing module, for the voltage of outside power input is boosted and/or decompression processing, to obtain first voltage And second voltage；AndControlling switch, the break-make that the controlling switch is used between control voltage processing module and the electrode grizzly bar.
- 4. liquid crystal light modulation device as claimed in claim 2 or claim 3, it is characterised in that the control device also includes：Communication module, for receiving the control signal of outside, and according to the control signal to the specified electrode grid row replacement Add given voltage.
- 5. liquid crystal light modulation device as claimed in claim 4, it is characterised in that the communication module is wireless communication module.
- 6. liquid crystal light modulation device as described in claim 5, it is characterised in that the scope of the first voltage for [0~ 30V], the scope of the second voltage is [30~80V].
- 7. liquid crystal light modulation device as claimed in claim 6, it is characterised in that first basalis and the second basalis are PET film, the electrode grizzly bar are ITO.
- 8. liquid crystal light modulation device as claimed in claim 7, it is characterised in that also include：Transparent panel, the liquid crystal film are clamped between the transparent panel and transparency carrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720657580.0U CN206773362U (en) | 2017-06-06 | 2017-06-06 | Liquid crystal light modulation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720657580.0U CN206773362U (en) | 2017-06-06 | 2017-06-06 | Liquid crystal light modulation device |
Publications (1)
| Publication Number | Publication Date |
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| CN206773362U true CN206773362U (en) | 2017-12-19 |
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ID=60637125
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720657580.0U Active CN206773362U (en) | 2017-06-06 | 2017-06-06 | Liquid crystal light modulation device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110895375A (en) * | 2018-09-13 | 2020-03-20 | 江苏集萃智能液晶科技有限公司 | Flexible bistable light modulator |
| CN114647105A (en) * | 2022-04-11 | 2022-06-21 | 北京奕斯伟计算技术有限公司 | Display device, electronic device and display control method |
-
2017
- 2017-06-06 CN CN201720657580.0U patent/CN206773362U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110895375A (en) * | 2018-09-13 | 2020-03-20 | 江苏集萃智能液晶科技有限公司 | Flexible bistable light modulator |
| CN114647105A (en) * | 2022-04-11 | 2022-06-21 | 北京奕斯伟计算技术有限公司 | Display device, electronic device and display control method |
| CN114647105B (en) * | 2022-04-11 | 2024-03-29 | 北京奕斯伟计算技术股份有限公司 | Display device, electronic device and display control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200602 Address after: Longgang District of Shenzhen City, Guangdong province 518000 Jihua Street six road No. 12 Gan Li Hisense innovation industrial city 13C building 3 layer Patentee after: SHENZHEN WICUE PHOTOELECTRIC Co.,Ltd. Address before: 518000, Nanshan District District, Shenzhen, Guangdong, Shahe, Shahe West Road, No. 3011 Baisha Logistics Park East seat on the first floor of I District Patentee before: SHENZHEN QINGLIANG TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |