CN110441942A - A kind of switchable liquid crystal display device - Google Patents
A kind of switchable liquid crystal display device Download PDFInfo
- Publication number
- CN110441942A CN110441942A CN201910889406.2A CN201910889406A CN110441942A CN 110441942 A CN110441942 A CN 110441942A CN 201910889406 A CN201910889406 A CN 201910889406A CN 110441942 A CN110441942 A CN 110441942A
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- Prior art keywords
- liquid crystal
- crystal display
- automatically controlled
- backlight
- controlled switching
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 188
- 229920000642 polymer Polymers 0.000 claims description 12
- 239000004983 Polymer Dispersed Liquid Crystal Substances 0.000 claims description 9
- HVYWMOMLDIMFJA-DPAQBDIFSA-N cholesterol group Chemical group [C@@H]1(CC[C@H]2[C@@H]3CC=C4C[C@@H](O)CC[C@]4(C)[C@H]3CC[C@]12C)[C@H](C)CCCC(C)C HVYWMOMLDIMFJA-DPAQBDIFSA-N 0.000 claims description 5
- 239000000463 material Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 239000000975 dye Substances 0.000 description 5
- 239000011521 glass Substances 0.000 description 4
- 230000010287 polarization Effects 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 230000007812 deficiency Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 230000005686 electrostatic field Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000009738 saturating Methods 0.000 description 2
- 241001270131 Agaricus moelleri Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1334—Constructional arrangements; Manufacturing methods based on polymer dispersed liquid crystals, e.g. microencapsulated liquid crystals
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/137—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
- G02F1/13718—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on a change of the texture state of a cholesteric liquid crystal
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/137—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
- G02F1/13731—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on a field-induced phase transition
- G02F1/13737—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on a field-induced phase transition in liquid crystals doped with a pleochroic dye
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1334—Constructional arrangements; Manufacturing methods based on polymer dispersed liquid crystals, e.g. microencapsulated liquid crystals
- G02F1/13345—Network or three-dimensional gels
Abstract
The invention discloses a kind of switchable liquid crystal display devices, it is characterised in that: including the automatically controlled switching module for showing the transparent liquid crystal display module of graph text information and for switching transparent operation mode and opaque operating mode；The automatically controlled switching module is set to transparent liquid crystal display module back；Automatically controlled switching switch is provided in the transparent liquid crystal display module or automatically controlled switching module, automatically controlled switching switch is equipped with the fuzzy control switch for entering the transparent control switch of pellucidity for controlling automatically controlled switching module and entering fringe for controlling automatically controlled switching module；The transparent liquid crystal display module and automatically controlled switching module are separately connected control mainboard.This switchable liquid crystal display device, when in a transparent state, user both can watch the graph text information in transparent liquid crystal display module, also can watch the article in front of transparent liquid crystal display module with behind；When being in opaque state, user can only browse the graph text information in transparent liquid crystal display module.
Description
Technical field
The present invention relates to a kind of display device, specifically a kind of switchable liquid crystal display device.
Background technique
For displaying, display, the exhibition etc. for meeting high-end product, valuables etc., occur a kind of transparence display case in the market,
The transparence display case is that transparent liquid crystal display module setting is browsed on cabinet one, is generally configured in browsing cabinet white
Color will browse the intracorporal light of case and effectively be scattered, to make effective backlight effect, such viewer can be simultaneously
The graph text information watched in transparent liquid crystal display module and the product for being stored in transparent liquid crystal display module behind, it can see
Product, the article etc. stored in browsing case.The shortcomings that this transparence display case, is: cannot arbitrarily switch when 1. use transparent
Display state or opaque display state, and the transparence display case only show picture color approach white when just realize it is transparent
It has been shown that, when display picture color approach black, can not achieve transparence display, and show opaque when picture color is turned to white
Display just cannot be achieved at all；2. the transparence display case be unable to do without browsing cabinet, cabinet is browsed in actual use and needs to occupy
Biggish spatial position, and it is inconvenient mobile, therefore the transparence display case is difficult to popularize.
Therefore, it is necessary to be further improved.
Summary of the invention
It is an object of the invention to overcome above-mentioned the shortcomings of the prior art, switchable liquid crystal display device of the present invention；
When in a transparent state, user both can watch the graph text information in transparent liquid crystal display module, also can watch transparent liquid
The article in brilliant display module front and behind；When being in opaque state, user can only be browsed in transparent liquid crystal display module
Graph text information；In addition, this switchable liquid crystal display device is simple and reasonable, and it is easy to use, meet user's different viewing and wants
It asks.
The object of the present invention is achieved like this:
A kind of switchable liquid crystal display device, it is characterised in that: including for showing graph text information transparent liquid crystal display module,
And the automatically controlled switching module for switching transparent operation mode and opaque operating mode；The automatically controlled switching module is set to
Bright liquid crystal display die set back；Automatically controlled switching switch, electricity are provided in the transparent liquid crystal display module or automatically controlled switching module
Control switching switch be equipped with for control automatically controlled switching module enter pellucidity transparent control switch and for controlling it is automatically controlled
Switching module enters the fuzzy control switch of fringe；The transparent liquid crystal display module and automatically controlled switching module are separately connected
Control mainboard.
The automatically controlled switching module is by polymer network liquid crystal box, polymer dispersed liquid crystals box, cholesteryl liquid crystal box, liquid
One or more of brilliant display box and dye-doped liquid crystal display box entirety box are constituted.
This switchable liquid crystal display device further includes the backlight control mould group for controlling backlight, and backlight control mould group produces
Raw light is at least partly projected in transparent liquid crystal display module；The transparent liquid crystal display module, automatically controlled switching module or
The backlight control switch whether to work for controlling backlight control mould group is provided in backlight control mould group；The backlight control mould
Group connection control mainboard.
Backlight control mould group can have scheme arranged below:
Scheme one, the backlight control mould group are set between transparent liquid crystal display module and automatically controlled switching module, backlight control
Light emitting source in mould group provides backlight to transparent liquid crystal display module in such a way that backlight is penetrated in side.
Scheme two, the backlight control mould group are set on the outside of transparent liquid crystal display module and automatically controlled switching module, backlight
Light emitting source in control mould group provides backlight to transparent liquid crystal display module in a manner of backlight to project.
Scheme three, the backlight control mould group are set to automatically controlled switching module back, the light emitting source in backlight control mould group
Backlight is provided to transparent liquid crystal display module in a manner of back reflection backlight.
The light emitting source includes the Fresnel before the Projecting Lamp, double spherical mirrors, lamp that light round is set gradually
Mirror, positive heart Fresnel mirror, eccentric Fresnel mirror and light projector head.
The beneficial effects of the present invention are:
It is combined by setting transparent liquid crystal display module with automatically controlled switching module, and is provided in automatically controlled switching module by transparent control
The automatically controlled switching switch of system switch and fuzzy control switch composition；When automatically controlled switching switching to transparent control switch position
When, transparent liquid crystal display module integrally keeps the pellucidity of itself, at this time viewer's both browsable transparent liquid crystal display module
On graph text information, also can pass through transparent liquid crystal display module see the material object for being placed on its behind, furthermore other users can also
Graph text information on its display surface is seen behind from transparent liquid crystal display module and is placed in front of transparent liquid crystal display module
It is in kind；When automatically controlled switching switching is to fuzzy control switch position, transparent liquid crystal display module integrally becomes opaque shape
State, viewer can only browse the graph text information in transparent liquid crystal display module at this time, and can't see and be placed on transparent liquid crystal and show
The material object of mould group behind, furthermore other users can not see behind that the picture and text on its display surface are believed from transparent liquid crystal display module
Breath, plays the role of effective secret protection.This switchable liquid crystal display device structure is simple, can be at any time by automatically controlled switching switch
According to behaviour in service and environment, the whole display state of transparent liquid crystal display module is switched to it is transparent or opaque, operation/
It is very easy to use.In addition, this switchable liquid crystal display device can be sufficient natural light as transparent liquid crystal display module institute
The backlight needed provides without in addition providing backlight, and then can save a large amount of electric energy, realizes low-carbon energy-saving environmental protection；Certainly,
In order to ensure this switchable liquid crystal display device can under natural light deficiency environment normal use, can add for controlling backlight
Backlight control mould group, backlight control mould group opens work Shi Kewei transparent liquid crystal display module and provides necessary backlight；It is logical
Backlight control mould group can be opened or closed at any time by crossing backlight control switch, therefore convenient using operating, and be suitable for different uses
Environment.
Detailed description of the invention
Fig. 1 is the working principle diagram of first embodiment of the invention；
Fig. 2 is the schematic diagram of first embodiment of the invention use state one；
Fig. 3 is the schematic diagram of first embodiment of the invention use state two；
Fig. 4 is the schematic diagram of first embodiment of the invention use state three；
Fig. 5 is the partial cross-sectional view of transparent liquid crystal display module in first embodiment of the invention;
Fig. 6 is the partial cross-sectional view of polymer network liquid crystal box fringe in first embodiment of the invention；
Fig. 7 is the partial cross-sectional view of polymer network liquid crystal box pellucidity in first embodiment of the invention；
Fig. 8 is the partial cross-sectional view of polymer dispersed liquid crystals box pellucidity in first embodiment of the invention；
Fig. 9 is the partial cross-sectional view of polymer dispersed liquid crystals box fringe in first embodiment of the invention；
Figure 10 is the partial cross-sectional view of liquid crystal display cell in first embodiment of the invention；
Figure 11 is the partial cross-sectional view of dye-doped liquid crystal display box pellucidity in first embodiment of the invention；
Figure 12 is the partial cross-sectional view of dye-doped liquid crystal display box fringe in first embodiment of the invention;
Figure 13 is the schematic diagram of switchable liquid crystal display device in second embodiment of the invention；
Figure 14 is the schematic diagram of backlight projection in second embodiment of the invention；
Figure 15 is the schematic diagram of second embodiment of the invention use state；
Figure 16 is the schematic diagram of switchable liquid crystal display device in third embodiment of the invention；
Figure 17 is the schematic diagram of switchable liquid crystal display device in fourth embodiment of the invention.
Wherein in figure: 1 is transparent liquid crystal display module, and 2 be electric-controlled switching mechanism, and 21 switch for automatically controlled switching, and 211 are
Transparent control switch, 212 switch for fuzzy control, and 100 be the material object of transparent liquid crystal display module behind, and 101 be transparent liquid crystal
The graph text information shown in display module, 000 is the sun, and 3 be backlight control mould group, and 31 be light emitting source.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and embodiments.
Referring to Fig. 1-Figure 12, this switchable liquid crystal display device, including for showing that the transparent liquid crystal of graph text information 101 is aobvious
Show mould group 1 and the automatically controlled switching module 2 for switching transparent operation mode and opaque operating mode；Automatically controlled switching module 2 is pasted
It is box-like to be set to 1 back of transparent liquid crystal display module；Automatically controlled switching switch 21, automatically controlled switching are provided in automatically controlled switching module 2
Switch 21 is automatically controlled equipped with the transparent control switch 211 for controlling the automatically controlled entrance of switching module 2 pellucidity and for controlling
Switching module 2 enters the fuzzy control switch 212 of fringe；Transparent liquid crystal display module 1 and automatically controlled switching module 2 connect respectively
Connect control mainboard.This suitching type liquid crystal display device by combining transparent liquid crystal display module 1 with automatically controlled switching module 2, and
The automatically controlled switching switch 21 being made of transparent control switch 211 and fuzzy control switch 212 is provided in automatically controlled switching module 2；
When automatically controlled switching switch 21 is switched to transparent control 211 gear of switch, transparent liquid crystal display module 1 is whole to keep the saturating of itself
Bright state, viewer's both graph text information 101 in browsable transparent liquid crystal display module 1, it is aobvious also to can pass through transparent liquid crystal at this time
Show that mould group 1 sees the material object 100 for being placed on its behind, furthermore other users can also be seen from 1 behind of transparent liquid crystal display module
Graph text information 101 on its display surface and the material object 100 for being placed on 1 front of transparent liquid crystal display module；When automatically controlled switching switchs
21 when being switched to fuzzy control 212 gear of switch, and transparent liquid crystal display module 1 is whole to become opaque state, at this time viewer
The graph text information 101 in transparent liquid crystal display module 1 can only be browsed, and can't see and be placed on transparent liquid crystal display module 1 behind
Material object 100, furthermore other users can not see the graph text information on its display surface from 1 behind of transparent liquid crystal display module
101, play the role of effective secret protection.This switchable liquid crystal display device structure is simple, can by automatically controlled switching switch 21
At any time according to behaviour in service and environment, the whole display state of transparent liquid crystal display module 1 is switched to it is transparent or opaque,
Operation/very easy to use.
Further, referring to Fig. 5, transparent liquid crystal display module 1 includes the first polarizer 11, the first glass substrate 12, coloured silk
Colo(u)r filter 13, the first alignment film 14, liquid crystal 15, the second alignment film 16, the second glass substrate 17, the second polarizer 18；It is transparent
The transparent motor that charge is added to each pixel or sub-pixel is generated electrostatic field by liquid crystal display die set 1, then the molecule of liquid crystal will
Charge inducing is induced by this electrostatic field and generates electrostatic torsion, and changes the generation that is rotatably arranged of liquid crystal molecule script, therefore
Also change the rotational steps by light；Change certain angle, so as to pass through polarizing film；It, can be with by controlling voltage
The degreeof tortuosity for controlling Liquid Crystal Molecules Alignment, to reach different gray scales.
Further, the backlight that electric-controlled switching mechanism 2 can not individually as transparent liquid crystal display module 1, backlight
Source only there are two types of, one is sunlight, the second is backlight control apparatus 3；Electric-controlled switching mechanism 2 only helps backlight and more can
Uniformly effectively enter or prevent light to enter transparent liquid crystal display module 1；Switching module 4 is by polymer network liquid crystal box, gathers
Close the whole box of one or more of object dispersed LCD box, cholesteryl liquid crystal box, liquid crystal display cell and dye-doped liquid crystal display box
It constitutes；
Wherein, transparent electrode 41, height are respectively included referring to Fig. 6-Fig. 9, polymer network liquid crystal box and polymer dispersed liquid crystals box
Molecule 42, liquid crystal molecule 43；Polymer network liquid crystal box and polymer dispersed liquid crystals box main function are that incident ray is broken up,
Become emergent light at random, can realize mould lake and transparent effect through both boxes；Fringe helps intensity
Inconsistent incident ray is broken up, and becomes uniform emergent ray, situation is such as the first optics above in backlight control apparatus 3
Diaphragm；Both boxes be no voltage respectively in the case where, polymer network liquid crystal box is fringe, and polymer
Dispersed LCD box is pellucidity；It gives under relevant voltage, situation will be on the contrary, i.e. polymer network liquid crystal box be transparence
State, and polymer dispersed liquid crystals box is fringe；
Cholesteryl liquid crystal box is similar with polymer network liquid crystal box or polymer dispersed liquid crystals box principle；That is cholesteryl liquid crystal box can
Incident ray is broken up to realize mould lake and transparent effect, but it has reflection light, transparent effect does not have both above box
Good (polymer network liquid crystal box or polymer dispersed liquid crystals box)；
Referring to Figure 10, liquid crystal display cell includes the first box glass substrate 44, the first box alignment film 45, box liquid crystal 46, box
Sub second alignment film 47, the second box glass substrate 48, box polarizer 49；Liquid crystal display cell and transparent liquid crystal display module 1
Structure is much the same, has only lacked polaroid and colored filter, and liquid crystal display cell is the polarization side for entering light through control
Always control it is transparent with it is opaque；First, unpolarized incident ray can be become inclined by the polaroid of the liquid crystal display cell bottom
Light, after liquid crystal display cell, the liquid crystal of different arrangements change original polarization direction under different voltages, when polarization direction with
When the bottom polaroid of device one forms parallel direction, light can enter transparent liquid crystal display module 1, at this time
It is pellucidity；When polarization direction forms vertical direction, light cannot just enter transparent liquid crystal display module 1, be formed not
Pellucidity；
Referring to Figure 11 and Figure 12, dye-doped liquid crystal display box includes transparent electrode 41, liquid crystal molecule 43 and fuel 410；Dyestuff
Doped liquid crystal display box is the equal of the liquid crystal display cell for being doped with dyestuff, and the arrangement of liquid crystal will affect the arrangement of dye molecule；
When dye molecule vertical arrangement, the transparent state of dye-doped liquid crystal display box；It, will when dye molecule deviation is vertical
The light being absorbed into makes dye-doped liquid crystal display box become opaque.
Concrete operating principle
Referring to Fig. 2, use state one, when using this switchable liquid crystal display device under the sun 000, since extraneous natural light is filled
Foot, so can be enough to provide necessary backlight for transparent liquid crystal display module 1.At this point, when automatically controlled switching switch 21 is switched to
When transparent control switch 211, viewer can also see while browsing graph text information 101 in transparent liquid crystal display module 1
To the material object 100 for being placed on 1 behind of transparent liquid crystal display module；This use state is suitable for outdoor large advertisement cabinet or propaganda board
Etc. in display devices, as using outdoor sufficient natural light as backlight necessary to transparent liquid crystal display module 1, so
Both a large amount of electric energy can be saved, ensure that the service life of display device.
Referring to Fig. 3 (left side is the vision of viewer, and the right is the vision of other users), use state two, in the sun 000
When lower this switchable liquid crystal display device of use, since extraneous natural light is sufficient, so can be enough for transparent liquid crystal display module 1
Necessary backlight is provided.At this point, viewer can browse when automatically controlled switching switch 21 is switched to transparent control switch 211
While graph text information 101 in transparent liquid crystal display module 1, it may also be seen that be placed on 1 behind of transparent liquid crystal display module
Material object 100；Other users can also browse to the graph text information 101 on its display surface from 1 behind of transparent liquid crystal display module, although
It is the Mirror Info of graph text information 101.
Reference Fig. 4, use state three, when using two this switchable liquid crystal display devices face-to-face under the sun 000, by
It is sufficient in extraneous natural light, so can be enough to provide necessary backlight for transparent liquid crystal display module 1.At this point, when (a left side
Side) for the automatically controlled switching switch 21 in switchable liquid crystal display device when being switched to transparent control switch 211, corresponding viewer can
While browsing graph text information 101 in corresponding transparent liquid crystal display module 1, it may also be seen that be placed on transparent liquid crystal and show mould
The material object 100 of 1 behind of group and another switchable liquid crystal display device；Electricity in another (the right) switchable liquid crystal display device
When control switching switch 21 is switched to fuzzy control switch 212, corresponding viewer intelligently browses corresponding transparent liquid crystal display device 1
On graph text information 101, and cannot see that the material object 100 and opposite switchable liquid crystal of 1 behind of transparent liquid crystal display device
Display device.
Embodiment two
Referring to Figure 13-Figure 15, the switchable liquid crystal display device that the present embodiment is related to is different from being in place of first embodiment:
Since transparent liquid crystal display module 1 itself can not shine, why it can show the picture and text letter of various black and white or colour
Breath 101 is because 1 internal mechanism of transparent liquid crystal display module is modulated the result of generation to light.In order in transparent liquid
The graph text information 101 of various black and white or colour is browsed in brilliant display module 1, this switchable liquid crystal display device is additionally provided with use
In the backlight control mould group 3 of control backlight, the light that backlight control mould group 3 generates at least partly is projected to transparent liquid crystal and shows
1 back of mould group；It is provided with the backlight control switch whether to work for controlling backlight control mould group 3 in backlight control mould group 3, leads to
Crossing backlight control switch can be controlled separately backlight control mould group 3；Backlight control mould group 3 connects control mainboard.Transparent liquid crystal is shown
Mould group 1 and backlight control mould group 3 are combined to be formed in and remain to browse to the upper figure of display surface in extraneous natural light deficiency situation
The device of literary information 101；The illumination effect of backlight control mould group 3 directly influences graph text information in transparent liquid crystal display module 1
101 visual effect.If this switchable liquid crystal display device uses in the display devices such as large-scale advertisement case or propaganda board outdoors,
When the backlight necessary to extraneous natural light is not enough to provide transparent liquid crystal display module 2 (such as: night or cloudy day), can pass through
Opening backlight control mould group 3 is that transparent liquid crystal display module 2 provides required backlight, this switchable liquid crystal display device is made to exist
Normal use is remained under extraneous natural light deficiency environment, switchable liquid crystal display device is made to be suitable for different use environments.
Further, backlight control mould group 3 using be fitted and connected, screw connection, the modes such as rivet interlacement are fixedly installed on
Between transparent liquid crystal display module 1 and automatically controlled switching module 2；Light emitting source 31 in backlight control mould group 3 is in such a way that backlight is penetrated in side
Backlight is provided to transparent liquid crystal display module 1.
Further, light emitting source 31 includes the spherical reflecting component 4, Projecting Lamp 5, double balls set gradually along light round
Fresnel mirror 7, positive heart Fresnel mirror 8, eccentric Fresnel mirror 9 and light projector head 10 before face condenser 6, lamp, light projector head 10 is by two pieces
Or three pieces of lens compositions；It can effectively ensure that light emitting source 31 projects transparent liquid crystal and shows mould by above-mentioned class projector theory structure
Backlight in group 1 is uniform, and then the display effect of graph text information 101 in transparent liquid crystal display module 1 is effectively ensured.
Concrete operating principle
Referring to Fig. 7, in order to guarantee this switchable liquid crystal display device be applicable to all use environments (including natural light it is sufficient or
Insufficient environment), it is additionally arranged backlight control mould group 3, the light emitting source 31 in backlight control mould group 3 is in such a way that backlight is penetrated in side to saturating
Bright liquid crystal display die set 1 provides backlight, the light that light emitting source 31 issues between medium the difference of refractive index and be totally reflected
Phenomenon, then light is guided into directive transparent liquid crystal display module 1 by automatically controlled switching module 2.When extraneous natural light is inadequate, lead to
Backlight control switch starting light emitting source 31 is crossed, it is that transparent liquid crystal display module 1 provides required backlight that light emitting source 31, which generates light,
Source, automatically controlled switching switch 21 switches to 212 gear of fuzzy control switch at this time, and transparent liquid crystal display module 1 is in opaque shape
State, and then can clearly show graph text information 101, viewer can only see the graph text information in transparent liquid crystal display module 1 at this time
101, it is consistent with traditional liquid crystal display device.
Other not described same first embodiments in part, here no longer detailed analysis explanation.
3rd embodiment
Referring to Figure 16, the switchable liquid crystal display device that the present embodiment is related to is different from being in place of first embodiment: backlight control
Molding group 3 is set to transparent liquid crystal display module 1 and the outside of automatically controlled switching module 2, the light emitting source 31 in backlight control mould group 3 with
It projects backlight mode and provides backlight to transparent liquid crystal display module 1.
Other not described same first embodiments in part, here no longer detailed analysis explanation.
Fourth embodiment
Referring to Figure 17, the switchable liquid crystal display device that the present embodiment is related to is different from being in place of first embodiment: backlight control
Molding group 3 is set to automatically controlled 2 back of switching module, and the light emitting source 31 in backlight control mould group 3 is in a manner of back reflection backlight to transparent
Liquid crystal display die set 1 provides backlight.
Other not described same first embodiments in part, here no longer detailed analysis explanation.
Above-mentioned is preferred embodiment of the invention, and basic principles and main features and the present invention of the invention have been shown and described
The advantages of.Those skilled in the art should be recognized that the present invention is not limited to the above embodiments, above embodiments and description
Described in merely illustrate the principles of the invention, without departing from the spirit and scope of the present invention the present invention also have it is various
Changes and improvements, these changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by institute
Attached the spirit and scope of the invention define.
Claims (7)
1. a kind of switchable liquid crystal display device, it is characterised in that: including for showing that the transparent liquid crystal of graph text information (101) is aobvious
Show mould group (1) and the automatically controlled switching module (2) for switching transparent operation mode and opaque operating mode；It is described automatically controlled to cut
Mold changing group (2) is set to transparent liquid crystal display module (1) back；The transparent liquid crystal display module (1) or automatically controlled switching module
(2) automatically controlled switching switch (21) is provided on, automatically controlled switching switch (21) is equipped with to be entered for controlling automatically controlled switching module (2)
The transparent control switch (211) of pellucidity and the fuzzy control for controlling automatically controlled switching module (2) into fringe are opened
It closes (212)；The transparent liquid crystal display module (1) and automatically controlled switching module (2) are separately connected control mainboard.
2. switchable liquid crystal display device according to claim 1, it is characterised in that: the automatically controlled switching module (2) is
It is shown by polymer network liquid crystal box, polymer dispersed liquid crystals box, cholesteryl liquid crystal box, liquid crystal display cell and dye-doped liquid crystal
One or more of box entirety box is constituted.
3. switchable liquid crystal display device according to claim 1, it is characterised in that: further include for controlling backlight
Backlight control mould group (3), the light that backlight control mould group (3) generates at least partly are projected on transparent liquid crystal display module (1)；
It is provided in the transparent liquid crystal display module (1), automatically controlled switching module (2) or backlight control mould group (3) for controlling backlight
The backlight control switch whether control mould group (3) works；The backlight control mould group (3) connects control mainboard.
4. switchable liquid crystal display device according to claim 3, it is characterised in that: the backlight control mould group (3) sets
Be placed between transparent liquid crystal display module (1) and automatically controlled switching module (2), the light emitting source (31) in backlight control mould group (3) with
Side penetrates backlight mode and provides backlight to transparent liquid crystal display module (1).
5. switchable liquid crystal display device according to claim 3, it is characterised in that: the backlight control mould group (3) sets
Be placed on the outside of transparent liquid crystal display module (1) and automatically controlled switching module (2), the light emitting source (31) in backlight control mould group (3) with
It projects backlight mode and provides backlight to transparent liquid crystal display module (1).
6. switchable liquid crystal display device according to claim 3, it is characterised in that: the backlight control mould group (3) sets
It is placed in automatically controlled switching module (2) back, the light emitting source (31) in backlight control mould group (3) is in a manner of back reflection backlight to transparent liquid crystal
Display module (1) provides backlight.
7. according to the described in any item switchable liquid crystal display devices of claim 4-6, it is characterised in that: the light emitting source includes
Fresnel mirror (7), positive heart Fresnel before the Projecting Lamp (5), double spherical mirrors (6), lamp that light round is set gradually
Mirror (8), eccentric Fresnel mirror (9) and light projector head (10).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811102081 | 2018-09-20 | ||
| CN2018111020810 | 2018-09-20 |
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| CN110441942A true CN110441942A (en) | 2019-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910889406.2A Pending CN110441942A (en) | 2018-09-20 | 2019-09-19 | A kind of switchable liquid crystal display device |
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| CN (1) | CN110441942A (en) |
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- 2019-09-19 CN CN201910889406.2A patent/CN110441942A/en active Pending
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Effective date of registration: 20201204 Address after: Room 203, 129 Baishi Avenue, Pengjiang district, Jiangmen City, Guangdong Province Applicant after: Jiangmen Huayuan Industrial Products Development Co.,Ltd. Address before: 529000 501, No.111 Shengli Road, Pengjiang district, Jiangmen City, Guangdong Province Applicant before: Lin Anjiang |
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