CN105093620A - Public advertisement display screen and manufacture method thereof - Google Patents
Public advertisement display screen and manufacture method thereof Download PDFInfo
- Publication number
- CN105093620A CN105093620A CN201510484077.5A CN201510484077A CN105093620A CN 105093620 A CN105093620 A CN 105093620A CN 201510484077 A CN201510484077 A CN 201510484077A CN 105093620 A CN105093620 A CN 105093620A
- Authority
- CN
- China
- Prior art keywords
- liquid crystal
- substrate
- display screen
- polymer dispersed
- dispersed liquid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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
- G02F1/1333—Constructional arrangements; Manufacturing methods
-
- 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
- G02F1/133504—Diffusing, scattering, diffracting elements
-
- 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
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
-
- 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
- G02F1/133504—Diffusing, scattering, diffracting elements
- G02F1/133507—Films for enhancing the luminance
-
- 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
- G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
- G02F2201/38—Anti-reflection arrangements
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Mathematical Physics (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Dispersion Chemistry (AREA)
- Geometry (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention provides a public advertisement display screen and a manufacture method thereof. The manufacture method of the public advertisement display screen comprises the steps that when a polymer dispersed liquid crystal box (1) is manufactured, uneven shapes on the surface of an optical brightness enhancement film (13) are transferred to a polydimethylsiloxane thin film (14), therefore, first non-planar electrodes (15) are formed on the optical brightness enhancement film (13), and second non-planar electrodes (16) are formed on the polydimethylsiloxane thin film (14); the polymer dispersed liquid crystal box (1) is fixed on the outer side of an ordinary TFT-LCD panel (2), and then the public advertisement display screen is formed by the polymer dispersed liquid crystal box (1) and the ordinary TFT-LCD panel (2). According to the public advertisement display screen manufactured through the method, the emergent direction of light rays is more, large-viewing-angle ornamental effect is better, haze adjustment can be performed according to the environmental light intensity changes, anti-glare and anti-reflection are effectively and moderately achieved, and the display effect is improved.
Description
Technical field
The present invention relates to display technique field, particularly relate to a kind of public advertising display screen and preparation method thereof.
Background technology
The backlight module that liquid crystal display (LiquidCrystalDisplay, LCD) comprises housing, is located at the liquid crystal panel in housing and is located in housing.Usual liquid crystal panel is by a colored filter substrate (ColorFilter, CF) liquid crystal layer (LiquidCrystalLayer) that, a thin-film transistor array base-plate (ThinFilmTransistorArraySubstrate, TFTArraySubstrate) and is filled between two substrates formed.The relative inner of CF substrate and TFT substrate is provided with transparency electrode.Liquid crystal display is controlled by the orientation of electric field to liquid crystal molecule, changes polarisation of light state, and realizes penetrating and stop of light path by Polarizer, reach the object of display.
Active TFT-LCD display device obtains development at full speed in recent years and applies widely, can say, is big-and-middle undersized display no matter current, all by TFT-LCD in occupation of absolute market.And in current LCD application market, the terminal display screen that can be used for the public place that megastore, supermarket, hotel lobby, movie theatre, education, medical treatment and other stream of people collect obtains increasing demand and application, and just with annual more than 30% speed increment.Namely such public advertising display screen has common feature: dust and moisture, dispel the heat outstanding, low in energy consumption, wide viewing angle, high brightness and have certain anti-dazzle antireflecting function.Based on the singularity of public advertising display screen service condition, as the factor such as view and admire distant, ambient light is stronger, its antireflection and anti-dazzle function seem outbalance.Prior art can by carrying out surface treatment to Polarizer, make public advertising display screen have certain mist degree (Haze), to play out of doors or antireflection and anti-dazzle effect under indoor bright light usually.At present, the mist degree that public advertising display screen is conventional is in the industry generally about 44%, and the Polarizer handled well is with after LCD laminating, and mist degree is non-adjustable, cause the service condition of existing public advertising display screen limited, environmentally light intensity change can not carry out mist degree adjustment.
On the other hand, Polymer Dispersed Liquid Crystal (PolymerDispersedLiquidCrystal, PDLC) as liquid crystal light modulation valve, in recent years by extensive concern and use.Low molecular weight liquid crystal mixes with prepolymer by PDLC mutually, under certain condition through polyreaction, forming micron-sized liquid crystal droplet is evenly dispersed in high molecular polymer network, the dielectric anisotropy of recycling liquid crystal molecule obtains has the material of electro-optic response characteristic, and it to operate mainly between scattering states and clear state and has certain gray scale.PDLC liquid crystal display has lot of advantages, such as do not need polaroid and oriented layer, preparation technology is simple, is easy to make large area flexible display etc., in optical modulator, temperature-sensitive and pressure-sensitive device, automatically controlled glass, light valve, Projection Display, e-book etc., obtains application at present.
The principle of work of PDLC liquid crystal display is: without impressed voltage when, intermembranously can not form regular electric field, and the direction of optic axis of liquid crystal particle is random, presents disordered state, its effective refractive index not with the index matching of polymkeric substance.Incident ray is by strong scattering, and film is opaque or translucent; When being applied with external voltage, the optical axis of liquid crystal particle arranges perpendicular to film surface, namely consistent with direction of an electric field, the effective refractive index of liquid crystal particle mates substantially with the refractive index of polymkeric substance, without obvious interface, constitute a basic uniform medium, can not there is scattering in incident light, the transparent shape of film.Therefore, under the driving of extra electric field, PDLC possesses switch feature, and its transparency also can improve along with executing alive increase.
But, PDLC liquid crystal display has the limited shortcoming at visual angle, this is because: the liquid crystal molecule powered up in rear PDLC liquid crystal display presents by unordered to orderly arrangement, when after the voltage saturation applied, liquid crystal molecule is perpendicular to substrate arrangement, light well can not carry out the outgoing in multi-angle direction through it, this makes the appreciation effect not having positive visual angle when watching with great visual angle good.
Summary of the invention
The object of the present invention is to provide a kind of method for making of public advertising display screen, by the public advertising display screen that the method is obtained, there is preferably appreciation effect with great visual angle, and mist degree adjustment can be carried out according to environmental light intensity change, effectively moderately anti-dizzy, antireflection, promotes display effect.
The present invention also aims to provide a kind of public advertising display screen, have preferably appreciation effect with great visual angle, and can carry out mist degree adjustment according to environmental light intensity change, effectively moderately anti-dizzy, antireflection, promotes display effect.
For achieving the above object, the invention provides a kind of method for making of public advertising display screen, comprise the steps:
Step 1, provide a first substrate, described first substrate is pasted with optical brightening membrane;
The surface irregularity of described optical brightening membrane, the first depressed part comprising multiple interconnective first lug boss and be formed at often between adjacent two the first lug bosses;
Step 2, provide a second substrate, described second substrate is coated with dimethyl silicone polymer;
Step 3, first will be pasted with optical brightening membrane first substrate with there is the second substrate of polydimethylsiloxanefilm film to group, again process is cured to polydimethylsiloxanefilm film, by the shape transfer of optical brightening membrane surface irregularity in polydimethylsiloxanefilm film, make polydimethylsiloxanefilm film surface also uneven;
Step 4, first substrate and second substrate to be separated, on the optical brightening membrane of first substrate side, sputter transparent conductive film respectively form the first non-planar electrode, the polydimethylsiloxanefilm film of second substrate side sputters transparent conductive film and forms the second non-planar electrode;
Step 5, first substrate and second substrate one of them on titration Polymer Dispersed Liquid Crystal, another substrate is coated with frame adhesive; Then first substrate and second substrate are fitted to organizing; Then carry out UV illumination to penetrate, complete the making of Polymer Dispersed Liquid Crystal box;
Step 6, provide a common TFT-LCD liquid crystal panel, described Polymer Dispersed Liquid Crystal box is fixed on the outside of TFT-LCD liquid crystal panel, described Polymer Dispersed Liquid Crystal box and common TFT-LCD liquid crystal panel combine and form public advertising display screen;
Step 7, the transparency of Polymer Dispersed Liquid Crystal box of being changed by the voltage the first non-planar electrode in described Polymer Dispersed Liquid Crystal box and the second non-planar electrode being applied to varying strength, thus regulate the mist degree of public advertising display screen.
The second depressed part that the polydimethylsiloxanefilm film of surface irregularity comprises multiple interconnective second lug boss and is formed at often between adjacent two the second lug bosses, and the second lug boss and the complementation of the first depressed part, the second depressed part and the complementation of the first lug boss.
The surperficial indentation of described optical brightening membrane, the cross sectional shape of described first lug boss, the first depressed part, the second lug boss and the second depressed part is triangle.
In described step 3, the polydimethylsiloxanefilm film of liquid towards is cured the temperature of process is 50 ~ 60 DEG C DEG C, and set time is 4 ~ 5 hours; In described step 5, UV light-struck time is 10 ~ 15min.
Described optical brightening membrane is made up of pet film.
Have sept in the frame adhesive of coating in described step 5, the thickness being controlled polymer dispersed liquid crystal layer by the titer of described sept and Polymer Dispersed Liquid Crystal is not more than 10um.
In described step 5, UV light-struck time is 12min.
The present invention also provides a kind of public advertising display screen, the Polymer Dispersed Liquid Crystal box comprising a common TFT-LCD liquid crystal panel and be fixed on outside described TFT-LCD liquid crystal panel;
Described Polymer Dispersed Liquid Crystal box comprises the first substrate and second substrate that are oppositely arranged; Described first substrate is pasted with rough optical brightening membrane towards the side of second substrate and is located at the first non-planar electrode on described optical brightening membrane; The surface irregularity of described optical brightening membrane, the first depressed part comprising multiple interconnective first lug boss and be formed at often between adjacent two the first lug bosses;
Described second substrate is provided with the polydimethylsiloxanefilm film of surface irregularity towards the side of first substrate and is located at second non-planar electrode on described polydimethylsiloxanefilm film surface;
Being folded with polymer dispersed liquid crystal layer between described first non-planar electrode and the second non-planar electrode, outside described polymer dispersed liquid crystal layer, being arranged with the frame adhesive (19) for encapsulating first substrate and second substrate.
The second depressed part that the uneven surface of described polydimethylsiloxanefilm film comprises multiple interconnective second lug boss and is formed at often between adjacent two the second lug bosses; Corresponding with the second depressed part, described first depressed part of described first lug boss and the second lug boss corresponding; Described first non-planar electrode is consistent with the second non-planar electrode shape and be parallel to each other.
The surperficial indentation of described optical brightening membrane, the cross sectional shape of described first lug boss, the first depressed part, the second lug boss and the second depressed part is triangle.
Have sept in described frame adhesive, the thickness of polymer dispersed liquid crystal layer is not more than 10um.
Beneficial effect of the present invention: the method for making of a kind of public advertising display screen provided by the invention, make Polymer Dispersed Liquid Crystal box time by the shape transfer of optical brightening membrane surface irregularity in polydimethylsiloxanefilm film, optical brightening membrane is formed the first non-planar electrode, polydimethylsiloxanefilm film is formed the second non-planar electrode, Polymer Dispersed Liquid Crystal box is fixed on the outside of a common TFT-LCD liquid crystal panel, the two combination forms public advertising display screen again; The public advertising display screen obtained by the method had both made the exit direction of light more, appreciation effect is better with great visual angle, the transparency of Polymer Dispersed Liquid Crystal box can be changed again by the voltage the first non-planar electrode in Polymer Dispersed Liquid Crystal box and the second non-planar electrode being applied to varying strength, mist degree adjustment is carried out according to environmental light intensity change, effectively moderately anti-dizzy, antireflection, promotes display effect.A kind of public advertising display screen provided by the invention, by arranging the first non-planar electrode and the second non-planar electrode makes the exit direction of light more, appreciation effect is better with great visual angle; Polymer Dispersed Liquid Crystal box is fixed on outside TFT-LCD liquid crystal panel, the transparency of Polymer Dispersed Liquid Crystal box is changed by the voltage the first non-planar electrode in Polymer Dispersed Liquid Crystal box and the second non-planar electrode being applied to varying strength, mist degree adjustment is carried out according to environmental light intensity change, effectively moderately anti-dizzy, antireflection, promotes display effect.
In order to further understand feature of the present invention and technology contents, refer to following detailed description for the present invention and accompanying drawing, but accompanying drawing only provides reference and explanation use, is not used for being limited the present invention.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, by the specific embodiment of the present invention describe in detail, will make technical scheme of the present invention and other beneficial effect apparent.
In accompanying drawing,
Fig. 1 is the process flow diagram of the method for making of public advertising display screen of the present invention;
Fig. 2 is the schematic diagram of the step 1 of the method for making of public advertising display screen of the present invention;
Fig. 3 is the schematic diagram of the step 2 of the method for making of public advertising display screen of the present invention;
Fig. 4 is the schematic diagram of the step 3 of the method for making of public advertising display screen of the present invention;
Fig. 5 is the schematic diagram of the step 4 of the method for making of public advertising display screen of the present invention;
Fig. 6 is the schematic diagram of Polymer Dispersed Liquid Crystal box in the schematic diagram of the step 5 of the method for making of public advertising display screen of the present invention and public advertising display screen of the present invention;
Fig. 7 is the schematic diagram of the step 6 of the method for making of public advertising display screen of the present invention and the structural representation of public advertising display screen of the present invention;
Fig. 8 is the schematic diagram of the step 7 of the method for making of public advertising display screen of the present invention;
The arranging situation schematic diagram that Fig. 9 is liquid crystal molecule in the present invention in polymer dispersed liquid crystal layer under the first non-planar electrode and the second non-planar electrode not powering state;
To be liquid crystal molecule in the present invention in polymer dispersed liquid crystal layer power up but arranging situation schematic diagram under undersaturated condition at the first non-planar electrode and the second non-planar electrode Figure 10;
Figure 11 is the arranging situation schematic diagram of liquid crystal molecule under the first non-planar electrode and the second non-planar electrode power up state of saturation in the present invention in polymer dispersed liquid crystal layer.
Embodiment
For further setting forth the technological means and effect thereof that the present invention takes, be described in detail below in conjunction with the preferred embodiments of the present invention and accompanying drawing thereof.
Refer to Fig. 1, first the present invention provides a kind of method for making of public advertising display screen, comprises the steps:
Step 1, as shown in Figure 2, a first substrate 11 is provided, optical brightening membrane 13 is attached on first substrate 11.The surface irregularity of described optical brightening membrane 13, the first depressed part 132 comprising multiple interconnective first lug boss 131 and be formed at often between adjacent two the first lug bosses 131.
Particularly, described first substrate 11 is preferably glass substrate.
Described optical brightening membrane 13 by high temperature resistance polyester film as polyethylene terephthalate (PET) film is made.
The surperficial indentation of preferred described optical brightening membrane 13, the cross sectional shape of described first lug boss 131 and the first depressed part 132 is triangle.
Step 2, as shown in Figure 3, provide a second substrate 12, configure certain density dimethyl silicone polymer (PDMS) solution, be spin-coated on described second substrate 12 and form polydimethylsiloxanefilm film 14.
Particularly, described second substrate 12 is preferably glass substrate.
Step 3, as shown in Figure 4, first will be pasted with the first substrate 11 of optical brightening membrane 13 and there is the second substrate 12 of polydimethylsiloxanefilm film 14 to group, with the temperature of 50 ~ 60 DEG C, solidification process in 4 ~ 5 hours is carried out to polydimethylsiloxanefilm film 14 again, by the shape transfer of optical brightening membrane 13 surface irregularity in polydimethylsiloxanefilm film 14, make polydimethylsiloxanefilm film 14 surface also uneven, comprise multiple interconnective second lug boss 141, and the second depressed part 142 be formed at often between adjacent two the second lug bosses 141, and the second lug boss 141 and the complementation of the first depressed part 132, second depressed part 142 and the complementation of the first lug boss 131.
Particularly, the cross sectional shape of described second lug boss 141 and the second depressed part 142 is also triangle.
Step 4, as shown in Figure 5, first substrate 11 and second substrate 12 are separated, on the optical brightening membrane 13 of first substrate 11 side, sputter transparent ITO conductive film respectively form the first non-planar electrode 15 uninterruptedly covering described optical brightening membrane 13 surface with uniform thickness, the polydimethylsiloxanefilm film 14 of second substrate 12 side sputters transparent ITO conductive film and forms the second non-planar electrode 16 uninterruptedly covering described polydimethylsiloxanefilm film 14 surface with uniform thickness.
Described first non-planar electrode 15 rises and falls according to the shape height of optical brightening membrane 13 surface irregularity, and described second non-planar electrode 16 rises and falls according to the shape height of polydimethylsiloxanefilm film 14 surface irregularity.
Step 5, as shown in Figure 6, first substrate 11 and second substrate 12 one of them on the preprepared Polymer Dispersed Liquid Crystal of titration, another substrate is coated with frame adhesive 19; Then first substrate 11 and second substrate 12 are fitted to organizing, make described first lug boss 131 first depressed part 132 corresponding, described with the second depressed part 142 and the second lug boss 141 corresponding, thus make the first non-planar electrode 15 consistent with the second non-planar electrode 16 shape and be parallel to each other; Then carry out 10 ~ 15minUV illumination to penetrate, the prepolymer polymerization reaction take place in Polymer Dispersed Liquid Crystal is made to form high molecular polymer network on the one hand, liquid crystal particle is scattered in this high molecular polymer network and forms polymer dispersed liquid crystal layer 17, on the other hand frame adhesive 19 is solidified, complete the making of Polymer Dispersed Liquid Crystal box 1.
Preferably, in described Polymer Dispersed Liquid Crystal, the blending ratio of prepolymer and nematic crystal is weight ratio 50:50.Described prepolymer can select the combination of one or more of acrylate and derivant, methacrylate and derivant thereof, Styrene and its derivatives, epoxy resin and fatty amines epoxy hardener.
It is worth mentioning that, have sept (Spacer) (not shown) in the frame adhesive 19 of coating in this step 5, the thickness being controlled polymer dispersed liquid crystal layer 17 by the titer of described sept and Polymer Dispersed Liquid Crystal is not more than 10um.
Step 6, as shown in Figure 7, the TFT-LCD liquid crystal panel 2 that one is common is provided, described Polymer Dispersed Liquid Crystal box 1 is fixed on the outside of TFT-LCD liquid crystal panel 2, described Polymer Dispersed Liquid Crystal box 1 combines with common TFT-LCD liquid crystal panel 2 and forms public advertising display screen.
Described common TFT-LCD liquid crystal panel 2 is namely by CF substrate, tft array substrate and be filled in the liquid crystal panel that the liquid crystal layer between two substrates forms, and its concrete structure is prior art, no longer launches to describe in detail herein.
Step 7, as shown in Figure 8, according to extraneous light intensity, changed the transparency of Polymer Dispersed Liquid Crystal box 1 by the voltage the first non-planar electrode 15 in described Polymer Dispersed Liquid Crystal box 1 and the second non-planar electrode 16 being applied to varying strength, thus regulate the mist degree of public advertising display screen.
Refer to Fig. 9, Figure 10, Figure 11, in public advertising display screen obtained by this method, in lack of alignment under the state that the liquid crystal molecule in polymer dispersed liquid crystal layer 17 does not power up at the first non-planar electrode 15 and the second non-planar electrode 16.First non-planar electrode 15 and the second non-planar electrode 16 to be powered up but under undersaturated state, because the first non-planar electrode 15 is consistent with the second non-planar electrode 16 shape and be parallel to each other, liquid crystal molecule in polymer dispersed liquid crystal layer 17 arranges by different angles direction under the effect of different directions electric field, make the exit direction of light many, appreciation effect is better with great visual angle, meanwhile, by changing, alive intensity is executed to the first non-planar electrode 15 in described Polymer Dispersed Liquid Crystal box 1 and the second non-planar electrode 16, mist degree can be regulated, effectively moderately anti-dizzy, antireflection, promote display effect, namely extraneous light is more weak, the voltage strength then applied the first non-planar electrode 15 in described Polymer Dispersed Liquid Crystal box 1 and the second non-planar electrode 16 is larger, the transparency of Polymer Dispersed Liquid Crystal box 1 is larger, thus by the mist degree of public advertising display screen regulate less, and extraneous light is stronger, the voltage strength then applied the first non-planar electrode 15 in described Polymer Dispersed Liquid Crystal box 1 and the second non-planar electrode 16 is less, the transparency of Polymer Dispersed Liquid Crystal box 1 is less, thus by the mist degree of public advertising display screen regulate larger.Under saturated state is powered up to described first non-planar electrode 15 and the second non-planar electrode 16, liquid crystal molecule in polymer dispersed liquid crystal layer 17 presents more homogeneous arrangement by different angles direction under the effect of different directions electric field, but light can be made along the outgoing of multi-angle direction, ensure appreciation effect with great visual angle.
Please refer to Fig. 6, Fig. 7, Fig. 8, on the basis of the method for making of above-mentioned public advertising display screen, the present invention also provides a kind of public advertising display screen, the Polymer Dispersed Liquid Crystal box 1 comprising a common TFT-LCD liquid crystal panel 2 and be fixed on outside described TFT-LCD liquid crystal panel 2.
Described Polymer Dispersed Liquid Crystal box 1 comprises the first substrate 11 and second substrate 12 that are oppositely arranged.Described first substrate 11 is pasted with rough optical brightening membrane 13 towards the side of second substrate 12 and is located at the first non-planar electrode 15 on described optical brightening membrane 13; Described second substrate 12 is provided with the polydimethylsiloxanefilm film 14 of surface irregularity towards the side of first substrate 11 and is located at second non-planar electrode 16 on described polydimethylsiloxanefilm film 14 surface; Being folded with polymer dispersed liquid crystal layer 17 between described first non-planar electrode 15 and the second non-planar electrode 16, outside described polymer dispersed liquid crystal layer 17, being arranged with the frame adhesive 19 for encapsulating first substrate 11 and second substrate 12.
The first depressed part 132 that the uneven surface of described optical brightening membrane 13 comprises multiple interconnective first lug boss 131 and is formed at often between adjacent two the first lug bosses 131; The second depressed part 142 that the uneven surface of polydimethylsiloxanefilm film 14 comprises multiple interconnective second lug boss 141 and is formed at often between adjacent two the second lug bosses 141; Described first lug boss 131 first depressed part 132 corresponding, described with the second depressed part 142 and the second lug boss 141 corresponding; Described first non-planar electrode 15 is consistent with the second non-planar electrode 16 shape and be parallel to each other.
Preferably, the surperficial indentation of described optical brightening membrane 13, the cross sectional shape of described first lug boss 131, first depressed part 132, second lug boss 141 and the second depressed part 142 is triangle.
The material of described optical brightening membrane 13 is that high temperature resistance polyester film is as PET film.
The material of described first non-planar electrode 15 and the second non-planar electrode 16 is ito thin film.
Have sept in described frame adhesive 19, the thickness of polymer dispersed liquid crystal layer 17 is not more than 10um.
This public advertising display screen structure is by arranging the first non-planar electrode 15 and the second non-planar electrode 16 makes the exit direction of light more, and appreciation effect is better with great visual angle; The transparency of Polymer Dispersed Liquid Crystal box 1 is changed by the voltage the first non-planar electrode 15 in Polymer Dispersed Liquid Crystal box 1 and the second non-planar electrode 16 being applied to varying strength, mist degree adjustment is carried out according to environmental light intensity change, effectively moderately anti-dizzy, antireflection, promotes display effect.
Particularly, refer to Fig. 9, Figure 10, Figure 11, in this public advertising display screen structure, in lack of alignment under the state that the liquid crystal molecule in polymer dispersed liquid crystal layer 17 does not power up at the first non-planar electrode 15 and the second non-planar electrode 16.First non-planar electrode 15 and the second non-planar electrode 16 to be powered up but under undersaturated state, because the first non-planar electrode 15 is consistent with the second non-planar electrode 16 shape and be parallel to each other, liquid crystal molecule in polymer dispersed liquid crystal layer 17 arranges by different angles direction under the effect of different directions electric field, make the exit direction of light many, appreciation effect is better with great visual angle, meanwhile, by changing, alive intensity is executed to the first non-planar electrode 15 in described Polymer Dispersed Liquid Crystal box 1 and the second non-planar electrode 16, mist degree can be regulated, effectively moderately anti-dizzy, antireflection, promote display effect, namely extraneous light is more weak, the voltage strength then applied the first non-planar electrode 15 in described Polymer Dispersed Liquid Crystal box 1 and the second non-planar electrode 16 is larger, the transparency of Polymer Dispersed Liquid Crystal box 1 is larger, thus by the mist degree of public advertising display screen regulate less, and extraneous light is stronger, the voltage strength then applied the first non-planar electrode 15 in described Polymer Dispersed Liquid Crystal box 1 and the second non-planar electrode 16 is less, the transparency of Polymer Dispersed Liquid Crystal box 1 is less, thus by the mist degree of public advertising display screen regulate larger.Under saturated state is powered up to described first non-planar electrode 15 and the second non-planar electrode 16, liquid crystal molecule in polymer dispersed liquid crystal layer 17 presents more homogeneous arrangement by different angles direction under the effect of different directions electric field, but light can be made along the outgoing of multi-angle direction, ensure appreciation effect with great visual angle.
In sum, the method for making of public advertising display screen of the present invention, make Polymer Dispersed Liquid Crystal box time by the shape transfer of optical brightening membrane surface irregularity in polydimethylsiloxanefilm film, optical brightening membrane is formed the first non-planar electrode, polydimethylsiloxanefilm film is formed the second non-planar electrode, Polymer Dispersed Liquid Crystal box is fixed on the outside of a common TFT-LCD liquid crystal panel, the two combination forms public advertising display screen again; The public advertising display screen obtained by the method had both made the exit direction of light more, appreciation effect is better with great visual angle, the transparency of Polymer Dispersed Liquid Crystal box can be changed again by the voltage the first non-planar electrode in Polymer Dispersed Liquid Crystal box and the second non-planar electrode being applied to varying strength, mist degree adjustment is carried out according to environmental light intensity change, effectively moderately anti-dizzy, antireflection, promotes display effect.Public advertising display screen of the present invention, by arranging the first non-planar electrode and the second non-planar electrode makes the exit direction of light more, appreciation effect is better with great visual angle; Polymer Dispersed Liquid Crystal box is fixed on outside TFT-LCD liquid crystal panel, the transparency of Polymer Dispersed Liquid Crystal box is changed by the voltage the first non-planar electrode in Polymer Dispersed Liquid Crystal box and the second non-planar electrode being applied to varying strength, mist degree adjustment is carried out according to environmental light intensity change, effectively moderately anti-dizzy, antireflection, promotes display effect.
The above, for the person of ordinary skill of the art, can make other various corresponding change and distortion according to technical scheme of the present invention and technical conceive, and all these change and be out of shape the protection domain that all should belong to the claims in the present invention.
Claims (10)
1. a method for making for public advertising display screen, is characterized in that, comprises the steps:
Step 1, provide a first substrate (11), described first substrate (11) attaches optical brightening membrane (13);
The surface irregularity of described optical brightening membrane (13), the first depressed part (132) comprising multiple interconnective first lug boss (131) and be formed at often between adjacent two the first lug bosses (131);
Step 2, provide a second substrate (12), described second substrate (12) applies dimethyl silicone polymer;
Step 3, first will be pasted with optical brightening membrane (13) first substrate (11) with there is the second substrate (12) of polydimethylsiloxanefilm film (14) to group, again process is cured to polydimethylsiloxanefilm film (14), by the shape transfer of optical brightening membrane (13) surface irregularity in polydimethylsiloxanefilm film (14), make polydimethylsiloxanefilm film (14) surface also uneven;
Step 4, first substrate (11) and second substrate (12) to be separated, optical brightening membrane (13) respectively in first substrate (11) side upper sputtering transparent conductive film forms the first non-planar electrode (15), and the upper sputtering of the polydimethylsiloxanefilm film (14) in second substrate (12) side transparent conductive film forms the second non-planar electrode (16);
Step 5, first substrate (11) and second substrate (12) one of them on titration Polymer Dispersed Liquid Crystal, another substrate is coated with frame adhesive (19); Then first substrate (11) and second substrate (12) are fitted to organizing; Then carry out UV illumination to penetrate, complete the making of Polymer Dispersed Liquid Crystal box (1);
Step 6, provide a common TFT-LCD liquid crystal panel (2), described Polymer Dispersed Liquid Crystal box (1) is fixed on the outside of TFT-LCD liquid crystal panel (2), described Polymer Dispersed Liquid Crystal box (1) and common TFT-LCD liquid crystal panel (2) combine and form public advertising display screen;
Step 7, the transparency of Polymer Dispersed Liquid Crystal box (1) of being changed by the voltage the first non-planar electrode (15) in described Polymer Dispersed Liquid Crystal box (1) and the second non-planar electrode (16) being applied to varying strength, thus the mist degree of adjustment public advertising display screen.
2. the method for making of public advertising display screen as claimed in claim 1, it is characterized in that, the second depressed part (142) that the polydimethylsiloxanefilm film (14) of surface irregularity comprises multiple interconnective second lug boss (141) and is formed at often between adjacent two the second lug bosses (141), and the second lug boss (141) is complementary with the first depressed part (132), the second depressed part (142) is complementary with the first lug boss (131).
3. the method for making of public advertising display screen as claimed in claim 2, it is characterized in that, the surperficial indentation of described optical brightening membrane (13), the cross sectional shape of described first lug boss (131), the first depressed part (132), the second lug boss (141) and the second depressed part (142) is triangle.
4. the method for making of public advertising display screen as claimed in claim 1, is characterized in that, the temperature being cured process to polydimethylsiloxanefilm film (14) in described step 3 is 50 ~ 60 DEG C, and set time is 4 ~ 5 hours; In described step 5, UV light-struck time is 10 ~ 15min.
5. the method for making of public advertising display screen as claimed in claim 1, it is characterized in that, described optical brightening membrane (13) is made up of pet film.
6. the method for making of public advertising display screen as claimed in claim 1, it is characterized in that, have sept in the frame adhesive (19) of coating in described step 5, the thickness being controlled polymer dispersed liquid crystal layer (17) by the titer of described sept and Polymer Dispersed Liquid Crystal is not more than 10um.
7. a public advertising display screen, is characterized in that, comprises a common TFT-LCD liquid crystal panel (2) and is fixed on the Polymer Dispersed Liquid Crystal box (1) in described TFT-LCD liquid crystal panel (2) outside;
Described Polymer Dispersed Liquid Crystal box (1) comprises the first substrate (11) and second substrate (12) that are oppositely arranged; Described first substrate (11) is pasted with rough optical brightening membrane (13) towards the side of second substrate (12) and is located at the first non-planar electrode (15) on described optical brightening membrane (13); The surface irregularity of described optical brightening membrane (13), the first depressed part (132) comprising multiple interconnective first lug boss (131) and be formed at often between adjacent two the first lug bosses (131);
Described second substrate (12) is provided with the polydimethylsiloxanefilm film (14) of surface irregularity towards the side of first substrate (11) and is located at second non-planar electrode (16) on described polydimethylsiloxanefilm film (14) surface;
Being folded with polymer dispersed liquid crystal layer (17) between described first non-planar electrode (15) and the second non-planar electrode (16), outside described polymer dispersed liquid crystal layer (17), being arranged with the frame adhesive (19) for encapsulating first substrate (11) and second substrate (12).
8. public advertising display screen as claimed in claim 7, it is characterized in that, the second depressed part (142) that the uneven surface of described polydimethylsiloxanefilm film (14) comprises multiple interconnective second lug boss (141) and is formed at often between adjacent two the second lug bosses (141); Described first lug boss (131) is corresponding with corresponding, described first depressed part of the second depressed part (142) (132) and the second lug boss (141); Described first non-planar electrode (15) is consistent with the second non-planar electrode (16) shape and be parallel to each other.
9. public advertising display screen as claimed in claim 8, it is characterized in that, the surperficial indentation of described optical brightening membrane (13), the cross sectional shape of described first lug boss (131), the first depressed part (132), the second lug boss (141) and the second depressed part (142) is triangle.
10. public advertising display screen structure as claimed in claim 7, it is characterized in that, described frame adhesive has sept in (19), and the thickness of polymer dispersed liquid crystal layer (17) is not more than 10um.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510484077.5A CN105093620B (en) | 2015-08-07 | 2015-08-07 | Public advertising display screen and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510484077.5A CN105093620B (en) | 2015-08-07 | 2015-08-07 | Public advertising display screen and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105093620A true CN105093620A (en) | 2015-11-25 |
| CN105093620B CN105093620B (en) | 2018-03-06 |
Family
ID=54574398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510484077.5A Active CN105093620B (en) | 2015-08-07 | 2015-08-07 | Public advertising display screen and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105093620B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105974631A (en) * | 2016-07-13 | 2016-09-28 | 深圳市华星光电技术有限公司 | Flexible substrate and manufacturing method thereof and flexible liquid crystal display panel |
| CN107132707A (en) * | 2017-05-24 | 2017-09-05 | 京东方科技集团股份有限公司 | A kind of liquid crystal display panel and preparation method thereof |
| CN107611535A (en) * | 2017-08-23 | 2018-01-19 | 电子科技大学 | Liquid crystal microwave device based on polymorphic structure |
| CN112180601A (en) * | 2020-09-30 | 2021-01-05 | 厦门天马微电子有限公司 | Display module assembly and car |
| CN112764278A (en) * | 2021-01-05 | 2021-05-07 | 惠州市华星光电技术有限公司 | Liquid crystal display panel and liquid crystal display device |
| CN112799247A (en) * | 2019-11-14 | 2021-05-14 | 京东方科技集团股份有限公司 | Liquid crystal display assembly, preparation method thereof and liquid crystal display |
| WO2023138354A1 (en) * | 2022-01-21 | 2023-07-27 | 惠州Tcl移动通信有限公司 | Display screen |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06324310A (en) * | 1993-05-10 | 1994-11-25 | Sharp Corp | Liquid crystal display element and optical system |
| CN1800936A (en) * | 2005-01-04 | 2006-07-12 | 阿尔卑斯电气株式会社 | Liquid crystal display |
| CN1949062A (en) * | 2005-10-12 | 2007-04-18 | 奇美电子股份有限公司 | Liquid crystal display panel and mfg. method thereof |
| CN101226241A (en) * | 2007-01-18 | 2008-07-23 | 财团法人工业技术研究院 | Single-layer polarization and alignment function integrated film, manufacturing method thereof and liquid crystal display comprising same |
| CN104749833A (en) * | 2013-12-27 | 2015-07-01 | 乐金显示有限公司 | Switchable type display device and method of driving the same |
-
2015
- 2015-08-07 CN CN201510484077.5A patent/CN105093620B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06324310A (en) * | 1993-05-10 | 1994-11-25 | Sharp Corp | Liquid crystal display element and optical system |
| CN1800936A (en) * | 2005-01-04 | 2006-07-12 | 阿尔卑斯电气株式会社 | Liquid crystal display |
| CN1949062A (en) * | 2005-10-12 | 2007-04-18 | 奇美电子股份有限公司 | Liquid crystal display panel and mfg. method thereof |
| CN101226241A (en) * | 2007-01-18 | 2008-07-23 | 财团法人工业技术研究院 | Single-layer polarization and alignment function integrated film, manufacturing method thereof and liquid crystal display comprising same |
| CN104749833A (en) * | 2013-12-27 | 2015-07-01 | 乐金显示有限公司 | Switchable type display device and method of driving the same |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105974631A (en) * | 2016-07-13 | 2016-09-28 | 深圳市华星光电技术有限公司 | Flexible substrate and manufacturing method thereof and flexible liquid crystal display panel |
| CN105974631B (en) * | 2016-07-13 | 2019-04-30 | 深圳市华星光电技术有限公司 | Flexible base board and preparation method thereof and flexible liquid crystal panel |
| CN107132707A (en) * | 2017-05-24 | 2017-09-05 | 京东方科技集团股份有限公司 | A kind of liquid crystal display panel and preparation method thereof |
| WO2018214640A1 (en) * | 2017-05-24 | 2018-11-29 | 京东方科技集团股份有限公司 | Liquid crystal display panel and method for manufacturing same |
| US10895780B2 (en) | 2017-05-24 | 2021-01-19 | Hefei Boe Optoelectronics Technology Co., Ltd. | Liquid crystal display panel and method for manufacturing the same |
| CN107611535A (en) * | 2017-08-23 | 2018-01-19 | 电子科技大学 | Liquid crystal microwave device based on polymorphic structure |
| CN112799247A (en) * | 2019-11-14 | 2021-05-14 | 京东方科技集团股份有限公司 | Liquid crystal display assembly, preparation method thereof and liquid crystal display |
| CN112180601A (en) * | 2020-09-30 | 2021-01-05 | 厦门天马微电子有限公司 | Display module assembly and car |
| CN112180601B (en) * | 2020-09-30 | 2022-05-31 | 厦门天马微电子有限公司 | Display module assembly and car |
| CN112764278A (en) * | 2021-01-05 | 2021-05-07 | 惠州市华星光电技术有限公司 | Liquid crystal display panel and liquid crystal display device |
| WO2023138354A1 (en) * | 2022-01-21 | 2023-07-27 | 惠州Tcl移动通信有限公司 | Display screen |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105093620B (en) | 2018-03-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105093620A (en) | Public advertisement display screen and manufacture method thereof | |
| TWI375074B (en) | Polymer dispersed liquid crystal display and method of fabricating the same | |
| US9207485B2 (en) | Flexible transparent liquid crystal display and method for preparing same | |
| US9772538B2 (en) | Transparent display device | |
| CN104170525B (en) | There is the organic EL display element of optical laminate | |
| JP6870907B2 (en) | Optical member, polarizing plate set and liquid crystal display device | |
| US8917363B2 (en) | Anti-peeping privacy device | |
| CN109507819B (en) | Device for adjusting visual angle of display panel, preparation method of device and display device | |
| WO2016131210A1 (en) | Reflective flexible liquid crystal display | |
| CN205176436U (en) | Liquid crystal display module | |
| CN203414701U (en) | Display substrate and display device | |
| CN105116592A (en) | Manufacturing method and structure of haze adjustable public advertisement display screen | |
| CN204855992U (en) | Liquid crystal display module and liquid crystal disply device | |
| US20170068364A1 (en) | Display module and display device | |
| CN102200606A (en) | Display filter and digital information display including the same | |
| CN107632727B (en) | Touch display screen, manufacturing method thereof, display device and driving method | |
| WO2020052585A1 (en) | A flexible bistable light modulating device | |
| CN103149734A (en) | Display device | |
| WO2018072399A1 (en) | Method for preparing intelligent display film having switchable viewing angle and composite film containing display film | |
| CN202141877U (en) | Liquid crystal display panel | |
| CN102967962B (en) | Transparent polymer dispersed liquid crystal display device and manufacturing method and application thereof | |
| WO2019146543A1 (en) | Liquid crystal display device, and optical member and optical member set used in said liquid crystal display device | |
| CN204101759U (en) | A kind of light-transmissive film, display panel and display | |
| CN102707517A (en) | Liquid crystal display panel and display device applied by liquid crystal display panel | |
| KR102557951B1 (en) | Display apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |