CN110147010A - Peep-proof film and preparation method thereof, display device and anti-peeping method - Google Patents
Peep-proof film and preparation method thereof, display device and anti-peeping method Download PDFInfo
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- CN110147010A CN110147010A CN201810143813.4A CN201810143813A CN110147010A CN 110147010 A CN110147010 A CN 110147010A CN 201810143813 A CN201810143813 A CN 201810143813A CN 110147010 A CN110147010 A CN 110147010A
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- Prior art keywords
- peep
- electrode layer
- transparency electrode
- proof film
- micro
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- 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
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133512—Light shielding layers, e.g. black matrix
-
- 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
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- 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)
Abstract
The invention belongs to peep-proof technical field of membrane, a kind of peep-proof film and preparation method thereof, display device and anti-peeping method are provided, wherein, peep-proof film includes the first transparency electrode layer being cascading, micro- shutter layer and second transparency electrode layer, micro- shutter layer includes light blocking array, and the gap setting of the light blocking array has polymer dispersed liquid crystals.The embodiment of the present invention is by being arranged transparent electrode layer in the two sides of micro- shutter layer, and polymer dispersed liquid crystals is set between the gap of micro- shutter layer, constitute peep-proof film, it is possible to reduce the number of plies of peep-proof film increases the light transmittance of peep-proof film and reduces cost.
Description
Technical field
The embodiment of the present invention belongs to peep-proof technical field of membrane more particularly to a kind of peep-proof film and preparation method thereof, display dress
It sets and anti-peeping method.
Background technique
With the continuous development of science and technology, the various display devices such as mobile phone, tablet computer, display emerge one after another, and are
The work and life of people brings great convenience.In the use process of display device, it will usually be related to the privacy of user
The problem of protection, reduces the display view angle of display device by the way that peep-proof film is arranged on the display apparatus in the prior art, reduces
Viewing effect of the display device in strabismus angle, to protect the privacy of user.
However, existing peep-proof membrane technology, is usually all micro- shutter to be arranged in a display device and in micro- blinds
Drive electrode layer and liquid crystal light modulation film layer are set gradually on window construction, then cover one layer of driving electricity in liquid crystal light modulation film layer again
Pole layer, increases the number of plies of peep-proof film, and the light transmittance so as to cause peep-proof film reduces and increased costs.
Summary of the invention
The embodiment of the present invention provides a kind of peep-proof film and preparation method thereof, display device and anti-peeping method, it is intended to solve existing
Some peep-proof membrane technologies are usually all that micro- shutter is arranged in a display device and sets gradually on micro- shutter
Then drive electrode layer and liquid crystal light modulation film layer cover one layer of drive electrode layer in liquid crystal light modulation film layer again, increase peep-proof
The number of plies of film reduces and the problem of increased costs so as to cause the light transmittance of peep-proof film.
First aspect of the embodiment of the present invention provides a kind of peep-proof film comprising the first transparency electrode being cascading
Layer, micro- shutter layer and second transparency electrode layer, micro- shutter layer includes light blocking array, the light blocking array
Gap setting have polymer dispersed liquid crystals.
In one embodiment, the first transparency electrode layer or the second transparency electrode layer be indium tin oxide films,
Aluminum-doped zinc oxide films or zinc-oxide film.
In one embodiment, the light blocking array is black resin array or black ink array.
Second aspect of the embodiment of the present invention provides a kind of display device comprising peep-proof film described in any of the above embodiments.
In one embodiment, the display device further include:
It is set to the pixel array of peep-proof film side, light blocking array described in the pixel face in the pixel array
Gap arrangement；And
It is set to the black matrix" in the gap of the pixel array.
In one embodiment, the black matrix" is metallic film matrix or black resin film matrix.
In one embodiment, the display device is liquid crystal display device, Organic Electricity laser display apparatus or quantum dot
Light emitting display device.
The third aspect of the embodiment of the present invention provides a kind of anti-peeping method, is realized based on above-mentioned peep-proof film or display device,
The described method includes:
It is powered to first transparency electrode layer and second transparency electrode layer, makes the transparent state of polymer dispersed liquid crystals, peep-proof film
In peep-proof state；
First transparency electrode layer and second transparency electrode layer are powered off, make polymer dispersed liquid crystals in atomization state, peep-proof film
In sharing state.
Fourth aspect of the embodiment of the present invention provides a kind of production method of peep-proof film, which is characterized in that the described method includes:
Micro- shutter layer is made in the side of first transparency electrode layer by etching or transfer printing process；
The coated polymeric dispersed LCD between the gap of micro- shutter layer；
Second transparency electrode layer is covered far from the side of the first transparency electrode layer in micro- shutter layer.
In one embodiment, the coated polymeric dispersed LCD between the gap of micro- shutter layer, comprising:
By gravure coating process micro- shutter layer gap coated polymeric dispersed LCD.
First aspect of the embodiment of the present invention is by being arranged transparent electrode layer in the two sides of micro- shutter layer, and micro- hundred
Polymer dispersed liquid crystals is set between the gap of leaf window construction layer, constitutes peep-proof film, it is possible to reduce the number of plies of peep-proof film increases anti-
It peeps the light transmittance of film and reduces cost.
Second aspect of the embodiment of the present invention can be effectively increased by providing a kind of display device including above-mentioned peep-proof film
The peep-proof effect of display device and the peep-proof cost for reducing display device.
The third aspect of the embodiment of the present invention is powered by the transparent electrode layer to above-mentioned peep-proof film or power-off, makes polymer point
The brilliant transparent state of dispersion liquid or atomization state, so as to simply and effectively realize the peep-proof function and sharing function of peep-proof film.
Fourth aspect of the embodiment of the present invention makes micro- hundred in the side of first transparency electrode layer by etching or transfer printing process
Leaf window construction layer, the coated polymeric dispersed LCD between the gap of micro- shutter layer, and it is remote in micro- shutter layer
Side from first transparency electrode layer covers second transparency electrode layer, simplifies the manufacture craft of peep-proof film, improves production effect
Rate, while reducing the cost of manufacture of peep-proof film.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is the structural schematic diagram for the peep-proof film that the embodiment of the present invention one provides；
Fig. 2 is the structural schematic diagram of display device provided by Embodiment 2 of the present invention；
Fig. 3 is the flow diagram of the production method for the peep-proof film that the embodiment of the present invention four provides.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical solution in the embodiment of the present invention are explicitly described, it is clear that described embodiment is the present invention one
The embodiment divided, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not doing
Every other embodiment obtained under the premise of creative work out, should fall within the scope of the present invention.
Description and claims of this specification and term " includes " and their any deformations in above-mentioned attached drawing, meaning
Figure, which is to cover, non-exclusive includes.Such as process, method or system comprising a series of steps or units, product or equipment do not have
It is defined in listed step or unit, but optionally further comprising the step of not listing or unit, or optionally also wrap
Include the other step or units intrinsic for these process, methods, product or equipment.In addition, term " first ", " second " and
" third " etc. is for distinguishing different objects, not for description particular order.
Embodiment one
As shown in Figure 1, the present embodiment provides a kind of peep-proof films comprising the first transparency electrode layer 1 that is cascading,
Micro- shutter layer 2 and second transparency electrode layer 3；
Wherein, micro- shutter layer 2 includes light blocking array 21, and the gap setting of light blocking array 21 has polymer dispersion liquid
Crystalline substance (PDLC, Polymer Dispersed Liquid Crystal) 4.
In a particular application, first transparency electrode layer and the second transparency electrode layer can be arbitrary light transmission and conduction
Electrode layer, for example, tin indium oxide (ITO) film, aluminium-doped zinc oxide (AZO) film, zinc oxide (ZnO) film etc..
In one embodiment, at least one of the first transparency electrode layer and the second transparency electrode layer are oxygen
Change indium tin thin film.
In a particular application, light blocking array can be is passed by arbitrary opaque, electrically non-conductive material production barrier light
The array structure broadcast, for example, black resin array or black ink array etc..
In a particular application, first transparency electrode layer, micro- shutter layer and second transparency electrode layer are planar junction
Structure or curved-surface structure, can be adapted for flat display apparatus or curved-surface display device, and the size and thickness of each layer structure can be with
It is configured according to actual needs.
The embodiment of the present invention is by being arranged transparent electrode layer in the two sides of micro- shutter layer, and in micro- shutter
Polymer dispersed liquid crystals is set between the gap of layer, constitutes peep-proof film, it is possible to reduce the number of plies of peep-proof film increases the saturating of peep-proof film
Light rate simultaneously reduces cost.
Embodiment two
As shown in Fig. 2, the present embodiment provides a kind of, the peep-proof film based in embodiment one realized with peep-proof function
Display device comprising the peep-proof film in embodiment one further includes 5 He of pixel (pixel) array for being set to peep-proof film side
It is set to the black matrix" (BM, Black Matrix) 6 in the gap of pixel array 5, the 51 face light blocking of pixel in pixel array 5
It arranges in the gap of array 21.
In a particular application, pixel array can be set in the side of the first transparency electrode layer of peep-proof film, can also set
It sets in the side of second transparency electrode layer, can specifically be configured according to actual needs.Peep-proof film can be by arbitrarily fixed
Mode is fixed together with pixel array, for example, bonding by clear binder, is close to setting etc. by physics pressing mode.
It is set to the display device to the non-dismountable formula of peep-proof film.
As shown in Fig. 2, illustratively showing the second transparency electrode that peep-proof film is arranged in pixel array 5 in the present embodiment
The side of layer 3.
In a particular application, black matrix" can select arbitrary leakproof luminescent material to be made according to actual needs, for example, golden
Category or black resin.
In one embodiment, the black matrix" is metallic film matrix or black resin film matrix.
In a particular application, display device can be any type of equipment for having display function, for example, being based on LCD
The liquid crystal display device of (Liquid Crystal Display, liquid crystal display device) technology is based on OLED (Organic
Electroluminesence Display, Organic Electricity laser display) technology Organic Electricity laser display apparatus, be based on QLED
The light emitting diode with quantum dots of (Quantum Dot Light Emitting Diodes, light emitting diode with quantum dots) technology is aobvious
Showing device or curved-surface display device etc..
The embodiment of the present invention can effectively increase display device by providing a kind of display device including above-mentioned peep-proof film
Peep-proof effect and reduce the peep-proof cost of display device.
Embodiment three
It is realized the present embodiment provides the display device in a kind of peep-proof device based in embodiment one or embodiment two
Anti-peeping method, which comprises
Step S101 is powered to first transparency electrode layer and second transparency electrode layer, keeps polymer dispersed liquid crystals transparent
State, peep-proof film are in peep-proof state；
Step S102 powers off first transparency electrode layer and second transparency electrode layer, makes polymer dispersed liquid crystals in atomization
State, peep-proof film are in sharing state.
It in a particular application, can be by applying alive side respectively to first transparency electrode layer and second transparency electrode layer
Formula forms voltage difference between two transparent electrode layers, and the rotation angle of the liquid crystal molecule in polymer dispersed liquid crystals changes
Become, towards the regular arrangement of specific direction, make polymer dispersed liquid crystals that pellucidity be presented so that peep-proof film have it is anti-
Effect is peeped, peep-proof state is presented.If being powered off to first transparency electrode layer and second transparency electrode layer, in polymer dispersed liquid crystals
Liquid crystal molecule can rotate freely, irregular free state is presented, make polymer dispersed liquid crystals present spray pattern, to make
It obtains peep-proof film and does not have peep-proof effect, sharing state is presented.
In a particular application, pass through the size of change voltage difference, thus it is possible to vary the rotation angle of liquid crystal molecule, so that
Different degrees of pellucidity is presented in polymer dispersed liquid crystals, for example, translucent or all-transparent state, specifically, can be with
It is measured by different tonal gradations.
The embodiment of the present invention is powered by transparent electrode layer to above-mentioned peep-proof film or power-off, makes the polymer dispersed liquid crystals be in
Transparent state or atomization state, so as to simply and effectively realize the peep-proof function and sharing function of peep-proof film.
Example IV
As shown in figure 3, the present embodiment provides a kind of production methods of the peep-proof film in embodiment one, which comprises
Step S201 makes micro- shutter layer in the side of first transparency electrode layer by etching or transfer printing process；
Step S202, in the gap coated polymeric dispersed LCD of micro- shutter layer；
Step S203 is transparent in side covering second of the micro- shutter layer far from the first transparency electrode layer
Electrode layer.
In a particular application, micro- shutter layer can simply, quickly be produced by etching or transfer printing process, had
Body, can micro- shutter layer according to actual needs light blocking array density, the etching of pre-production corresponding density uses
Mask plate or transfer transfer template, by the way that mask plate to be arranged in the transparent electricity coated with black resin layer or black ink layer
On the layer of pole, the black resin or black ink of mask plate hollowed out area are then etched away, can be obtained by remaining black resin
Or micro- shutter layer that remaining black ink is constituted；By coating black resin or black ink in transfer template, so
After be printed on transparent electrode layer micro- shutter layer can be obtained.
In one embodiment, step S202 includes:
By gravure coating process between the gap of micro- shutter layer coated polymeric dispersed LCD.
In a particular application, other modes can also be selected to carry out coated polymeric dispersed LCD, such as by will directly gather
It closes object dispersed LCD and is instilled into the mode of micro- shutter layer to realize.
The embodiment of the present invention makes micro- shutter in the side of first transparency electrode layer by etching or transfer printing process
Layer, the coated polymeric dispersed LCD between the gap of micro- shutter layer, and it is saturating far from first in micro- shutter layer
The side of prescribed electrode layer covers second transparency electrode layer, simplifies the manufacture craft of peep-proof film, improves production efficiency, drop simultaneously
The low cost of manufacture of peep-proof film.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of peep-proof film, which is characterized in that including be cascading first transparency electrode layer, micro- shutter layer and
Second transparency electrode layer, micro- shutter layer includes light blocking array, and the gap setting of the light blocking array has polymer
Dispersed LCD.
2. peep-proof film as described in claim 1, which is characterized in that the first transparency electrode layer or the second transparency electrode
Layer is indium tin oxide films, aluminum-doped zinc oxide films or zinc-oxide film.
3. peep-proof film as described in claim 1, which is characterized in that the light blocking array is black resin array or black ink
Array.
4. a kind of display device, which is characterized in that including peep-proof film as claimed in any one of claims 1 to 3.
5. display device as claimed in claim 4, which is characterized in that the display device further include:
It is set to the pixel array of peep-proof film side, the gap of light blocking array described in the pixel face in the pixel array
Arrangement；And
It is set to the black matrix" in the gap of the pixel array.
6. display device as claimed in claim 5, which is characterized in that the black matrix" is metallic film matrix or black tree
Membrane of lipoprotein matrix.
7. such as the described in any item display devices of claim 4~6, which is characterized in that the display device is liquid crystal display dress
It sets, Organic Electricity laser display apparatus or light emitting diode with quantum dots display device.
8. a kind of anti-peeping method, which is characterized in that based on the described in any item peep-proof films of claims 1 to 3 or claim 4~
7 described in any item display devices are realized, which comprises
It is powered to first transparency electrode layer and second transparency electrode layer, makes the transparent state of polymer dispersed liquid crystals, peep-proof film in anti-
Peep state；
First transparency electrode layer and second transparency electrode layer are powered off, make polymer dispersed liquid crystals in atomization state, peep-proof film in point
Enjoy state.
9. a kind of production method of the described in any item peep-proof films of claims 1 to 3, which is characterized in that the described method includes:
Micro- shutter layer is made in the side of first transparency electrode layer by etching or transfer printing process；
The coated polymeric dispersed LCD between the gap of micro- shutter layer；
Second transparency electrode layer is covered far from the side of the first transparency electrode layer in micro- shutter layer.
10. the production method of peep-proof film as claimed in claim 9, which is characterized in that between micro- shutter layer
Coated polymeric dispersed LCD between gap, comprising:
By gravure coating process micro- shutter layer gap coated polymeric dispersed LCD.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810143813.4A CN110147010A (en) | 2018-02-12 | 2018-02-12 | Peep-proof film and preparation method thereof, display device and anti-peeping method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810143813.4A CN110147010A (en) | 2018-02-12 | 2018-02-12 | Peep-proof film and preparation method thereof, display device and anti-peeping method |
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| Publication Number | Publication Date |
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| CN110147010A true CN110147010A (en) | 2019-08-20 |
Family
ID=67589142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810143813.4A Pending CN110147010A (en) | 2018-02-12 | 2018-02-12 | Peep-proof film and preparation method thereof, display device and anti-peeping method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110441841A (en) * | 2019-08-29 | 2019-11-12 | 苏州莱科光学科技有限公司 | A kind of peep-proof film can be used for curve screens |
| CN110764304A (en) * | 2019-12-03 | 2020-02-07 | 深圳菲尔泰光电有限公司 | A new and efficient anti-peep display module |
| TWI726633B (en) * | 2020-01-19 | 2021-05-01 | 中強光電股份有限公司 | Display device and screen anti-peeping device |
| CN117866269A (en) * | 2024-03-13 | 2024-04-12 | 慈溪市上林电子科技有限公司 | High-weather-resistance peep-proof film and preparation process thereof |
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| CN110441841A (en) * | 2019-08-29 | 2019-11-12 | 苏州莱科光学科技有限公司 | A kind of peep-proof film can be used for curve screens |
| CN110764304A (en) * | 2019-12-03 | 2020-02-07 | 深圳菲尔泰光电有限公司 | A new and efficient anti-peep display module |
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| CN117866269A (en) * | 2024-03-13 | 2024-04-12 | 慈溪市上林电子科技有限公司 | High-weather-resistance peep-proof film and preparation process thereof |
| CN117866269B (en) * | 2024-03-13 | 2024-06-07 | 慈溪市上林电子科技有限公司 | High-weather-resistance peep-proof film and preparation process thereof |
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