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CN110161771A - A kind of peep-proof film, display device and anti-peeping method - Google Patents

A kind of peep-proof film, display device and anti-peeping method Download PDF

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Publication number
CN110161771A
CN110161771A CN201810143793.0A CN201810143793A CN110161771A CN 110161771 A CN110161771 A CN 110161771A CN 201810143793 A CN201810143793 A CN 201810143793A CN 110161771 A CN110161771 A CN 110161771A
Authority
CN
China
Prior art keywords
peep
proof film
display device
electrode
proof
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.)
Pending
Application number
CN201810143793.0A
Other languages
Chinese (zh)
Inventor
李维善
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Filtai Photoelectric Co.,Ltd.
Original Assignee
Shenzhen Pute Ais Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shenzhen Pute Ais Technology Co Ltd filed Critical Shenzhen Pute Ais Technology Co Ltd
Priority to CN201810143793.0A priority Critical patent/CN110161771A/en
Publication of CN110161771A publication Critical patent/CN110161771A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1334Constructional arrangements; Manufacturing methods based on polymer dispersed liquid crystals, e.g. microencapsulated liquid crystals
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1343Electrodes
    • G02F1/13439Electrodes characterised by their electrical, optical, physical properties; materials therefor; method of making
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/165Devices 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 translational movement of particles in a fluid under the influence of an applied field
    • G02F1/166Devices 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 translational movement of particles in a fluid under the influence of an applied field characterised by the electro-optical or magneto-optical effect
    • G02F1/167Devices 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 translational movement of particles in a fluid under the influence of an applied field characterised by the electro-optical or magneto-optical effect by electrophoresis

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Molecular Biology (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)

Abstract

The invention belongs to peep-proof technical field of membrane, there is provided a kind of peep-proof film, display device and anti-peeping method, wherein the peep-proof film includes micro- shutter layer, micro- shutter layer includes light blocking array, is provided with lighttight electrophoresis particle in each light of the light blocking array.The embodiment of the present invention constitutes peep-proof film by being respectively provided with lighttight electrophoresis particle in each light of the light blocking array of micro- shutter layer, 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

A kind of peep-proof film, display device and anti-peeping method
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, display device 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, display device and anti-peeping method, it is intended to solve existing peep-proof film skill Art, be usually all micro- shutter is set in a display device and set gradually on micro- shutter drive electrode layer and Then liquid crystal light modulation film layer covers one layer of drive electrode layer in liquid crystal light modulation film layer again, increases the number of plies of peep-proof film, thus The problem of leading to the light transmittance reduction of peep-proof film and increased costs.
First aspect of the embodiment of the present invention provides a kind of peep-proof film comprising micro- shutter layer, micro- shutter Structure sheaf includes light blocking array, is provided with lighttight electrophoresis particle in each light of the light blocking array.
In one embodiment, the gap setting of the light blocking array has polymer dispersed liquid crystals.
In one embodiment, one end of the light is provided with electrode or both ends are provided with electrode.
In one embodiment, the electrode is transparent electrode, and the transparent electrode is indium-tin oxide electrode, aluminium doping oxygen Change zinc electrode or zinc oxide electrode.
In one embodiment, the electrophoresis particle be positively charged black resin particle, metal hydroxide particles, Metal oxide particle, alternatively, negatively charged black nonmetal oxide particle or nonmetallic sulfide particles.
Second aspect of the embodiment of the present invention provides a kind of display device comprising above-mentioned peep-proof film.
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 display device, the side Method includes:
Control electrophoresis particle moves to the side far from black matrix", makes peep-proof film in peep-proof state.
Control electrophoresis particle moves to the side for being close to black matrix", makes peep-proof film in sharing state.
First aspect of the embodiment of the present invention passes through equal in each light of the light blocking array of micro- shutter layer Lighttight electrophoresis particle is set, peep-proof film is constituted, it is possible to reduce the number of plies of peep-proof film increases the light transmittance of peep-proof film and reduction 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 gathers electrophoresis particle by controlling electrophoresis particle movement in above-mentioned peep-proof film The side of side or abutting black matrix" far from black matrix", so as to simply and effectively realize the peep-proof function of peep-proof film And sharing function.
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. 1~3 are the structural schematic diagrams for the peep-proof film that the embodiment of the present invention one provides;
Fig. 4~6 are the structural schematic diagrams of display device provided by Embodiment 2 of the present invention.
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 micro- shutter layer 1, micro- shutter knot Structure layer includes light blocking array, and lighttight electrophoresis particle (EP is provided in each light 11 of light blocking array particle)12。
In a particular application, electrophoresis particle can select positively or negatively charged impermeable light bead according to actual needs Son, the preferably electrophoresis particle of black, for example, graphitic carbon particle.
In one embodiment, the electrophoresis particle be positively charged black resin particle, metal hydroxide particles, Metal oxide particle, alternatively, negatively charged black nonmetal oxide particle or nonmetallic sulfide particles.
In one embodiment, the gap setting of the light blocking array has polymer dispersed liquid crystals.
In a particular application, by the way that polymer dispersed liquid crystals is arranged in the gap of the light of micro- shutter layer (PDLC, Polymer Dispersed Liquid Crystal), light diffusing sheet, photorefractive crystal etc. have light diffusion effect The sharing state effect of peep-proof film can be enhanced in substance.
As shown in Fig. 2, the gap setting for illustratively showing light blocking array has polymer dispersed liquid crystals in the present embodiment When 2, the structural schematic diagram of peep-proof film.
In one embodiment, one end of the light is provided with electrode or both ends are provided with electrode.
In a particular application, by the way that electrode is arranged in light, can apply and electrophoresis particle carrying to electrode When the opposite voltage of charge polarity, make electrophoresis particle by electric field action, move to surrounding them and assemble, so as to so that aggregation Thickness of the electrophoresis particle on electrode length direction increase, to enhance the peep-proof state effect of peep-proof film or share state effect. The centre in light either end specifically can be set in electrode, and every one end in the both ends of light also can be set Centre.
In a particular application, electrode can arbitrary electricity good conductor, for example, various metal electrodes, graphite electrode etc..
In one embodiment, the electrode is transparent electrode, and the transparent electrode is tin indium oxide (ITO) film, aluminium Doping zinc-oxide (AZO) film or zinc oxide (ZnO) film etc..
As shown in figure 3, the both ends for illustratively showing light are respectively arranged with electrode 31 and electricity in the present embodiment When pole 32, the structural schematic diagram of peep-proof film.
In a particular application, peep-proof film is planar structure or curved-surface structure, can be adapted for flat display apparatus or curved surface Display device, the size and thickness of peep-proof film can be configured according to actual needs.
The embodiment of the present invention is impermeable by being respectively provided in each light of the light blocking array of micro- shutter layer The electrophoresis particle of light constitutes 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.
Embodiment two
As shown in figures 4-6, the present embodiment provides what a kind of peep-proof film based in embodiment one was realized to have peep-proof function Display device comprising the peep-proof film in embodiment one further includes pixel (pixel) array 4 for being set to peep-proof film side With the black matrix" (BM, Black Matrix) 5 in the gap for being set to pixel array 4,41 face of pixel resistance in pixel array 4 It arranges in the gap of optical arrays.
In a particular application, based on peep-proof film shown in Fig. 1 or 2, pixel array be can be set in any one of peep-proof film Side.Based on peep-proof film shown in Fig. 3, side of the peep-proof film far from electrode should be arranged in pixel array.Peep-proof film can pass through Any fixed form is fixed together with pixel array, for example, being bonded by clear binder, is close to by physics pressing mode Setting etc..It is set to the display device to the non-dismountable formula of peep-proof film.
As shown in figure 4, illustratively showing the display device realized based on peep-proof film shown in FIG. 1.
As shown in figure 5, illustratively showing the display device realized based on peep-proof film shown in Fig. 2.
As shown in fig. 6, illustratively showing the display device realized based on peep-proof film shown in Fig. 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.
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
The present embodiment provides what the display device in a kind of peep-proof film based in embodiment one or embodiment two was realized to prevent Peep method, which comprises
Step S101, control electrophoresis particle move to the side far from black matrix", make peep-proof film in peep-proof state.
Step S102, control electrophoresis particle move to the side for being close to black matrix", make peep-proof film in sharing state.
In a particular application, electrophoresis particle can be made in the effect of electric field by way of applying electric field to electrophoresis particle The direction of motion of lower movement, electrophoresis particle is related with charge polarity entrained by direction of an electric field and electrophoresis particle, direction of an electric field with The movement under force direction of positive charge is identical, contrary with the movement under force of negative electrical charge.
For example, for display device shown in Figure 4 and 5, when electrophoresis particle 12 carries positive charge, to make peep-proof film be in Peep-proof state then needs to apply the electric field for being directed toward side of the peep-proof film far from black matrix" 5 by black matrix" 5 to electrophoresis particle 12, So that electrophoresis particle 12 is moved to the side far from black matrix" 5, to make peep-proof film in state is shared, then needs to electrophoresis particle 12 Apply the electric field for being directed toward black matrix" 5 far from the side of black matrix" 5 by peep-proof film, electrophoresis particle 12 is made to move to abutting black The side of matrix 5;Similarly, it when electrophoresis particle 12 carries negative electrical charge, to make peep-proof film in peep-proof state, then needs to electrophoresis grain Son 12 applies the electric field for being directed toward black matrix" 5 far from the side of black matrix" 5 by peep-proof film, moves to electrophoresis particle 12 separate The side of black matrix" 5 then needs to apply to be directed toward by black matrix" 5 to electrophoresis particle 12 and prevent to make peep-proof film in state is shared The electric field for peeping side of the film far from black matrix" 5 makes electrophoresis particle 12 move to the side for being close to black matrix" 5.
For display device shown in fig. 6, when electrophoresis particle 12 carries positive charge, to make peep-proof film be in peep-proof state, It then needs to apply negative voltage to electrode 31, apply positive voltage to electrode 32 or do not apply voltage, electrophoresis particle 12 is made to gather electricity Around pole 31, to make peep-proof film in state is shared, then need to apply positive voltage to electrode 31 or not applying voltage, applied to electrode 32 Add negative voltage, gather electrophoresis particle 12 far from electrode 31 and is close to the side of black matrix", gathers around electrode 32;Together Reason, when electrophoresis particle 12 carries negative electrical charge, to make peep-proof film in peep-proof state, then need to apply to electrode 31 positive voltage, to Electrode 32 applies negative voltage or does not apply voltage, gathers electrophoresis particle 12 around electrode 31, to make peep-proof film in sharing State then needs to apply negative voltage to electrode 31 or does not apply voltage, applies positive voltage to electrode 32, gathers electrophoresis particle 12 Far from electrode 31 and it is close to the side of black matrix", gathers around electrode 32.
The embodiment of the present invention gathers electrophoresis particle far from black by controlling electrophoresis particle movement in above-mentioned peep-proof film The side of matrix or the side for being close to black matrix", so as to simply and effectively realize the peep-proof function of peep-proof film with share function Energy.
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 micro- shutter layer, micro- shutter layer includes light blocking battle array It arranges, is provided with lighttight electrophoresis particle in each light of the light blocking array.
2. peep-proof film as described in claim 1, which is characterized in that the gap setting of the light blocking array has polymer dispersion liquid It is brilliant.
3. peep-proof film as described in claim 1, which is characterized in that one end of the light is provided with electrode or both ends are equal It is provided with electrode.
4. peep-proof film as claimed in claim 3, which is characterized in that the electrode is transparent electrode, and the transparent electrode is oxygen Change indium tin electrode, aluminium-doped zinc oxide electrode or zinc oxide electrode.
5. such as the described in any item peep-proof films of Claims 1 to 4, which is characterized in that the electrophoresis particle is positively charged black Chromoresin particle, metal hydroxide particles, metal oxide particle, alternatively, negatively charged black nonmetal oxide grain Sub or nonmetallic sulfide particles.
6. a kind of display device, which is characterized in that including peep-proof film as claimed in any one of claims 1 to 5.
7. display device as claimed in claim 6, 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.
8. display device as claimed in claim 6, which is characterized in that the black matrix" is metallic film matrix or black tree Membrane of lipoprotein matrix.
9. such as the described in any item display devices of claim 6~8, 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.
10. a kind of anti-peeping method, which is characterized in that it is realized based on the described in any item display devices of claim 6~9, it is described Method includes:
Control electrophoresis particle moves to the side far from black matrix", makes peep-proof film in peep-proof state.
Control electrophoresis particle moves to the side for being close to black matrix", makes peep-proof film in sharing state.
CN201810143793.0A 2018-02-12 2018-02-12 A kind of peep-proof film, display device and anti-peeping method Pending CN110161771A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810143793.0A CN110161771A (en) 2018-02-12 2018-02-12 A kind of peep-proof film, display device and anti-peeping method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810143793.0A CN110161771A (en) 2018-02-12 2018-02-12 A kind of peep-proof film, display device and anti-peeping method

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111965864A (en) * 2020-08-27 2020-11-20 京东方科技集团股份有限公司 Dimming structure and display device
CN112123881A (en) * 2020-09-30 2020-12-25 深圳凯茵思科技有限公司 Peep-proof membrane and preparation method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009098382A (en) * 2007-10-16 2009-05-07 Seiko Epson Corp Electrophoretic display sheet, electrophoretic display device, and electronic apparatus
CN105425501A (en) * 2014-09-12 2016-03-23 Nlt科技股份有限公司 Optical Element, And Display Device, Electronic Apparatus, Lighting Device Using The Same
CN106462025A (en) * 2014-02-17 2017-02-22 Nlt科技股份有限公司 Optical element, method for manufacturing same, display device having optical element, electronic device, and illumination device
CN106749867A (en) * 2016-12-05 2017-05-31 北京大学 A kind of preparation method of the optical diffusion based on PDLC system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009098382A (en) * 2007-10-16 2009-05-07 Seiko Epson Corp Electrophoretic display sheet, electrophoretic display device, and electronic apparatus
CN106462025A (en) * 2014-02-17 2017-02-22 Nlt科技股份有限公司 Optical element, method for manufacturing same, display device having optical element, electronic device, and illumination device
CN105425501A (en) * 2014-09-12 2016-03-23 Nlt科技股份有限公司 Optical Element, And Display Device, Electronic Apparatus, Lighting Device Using The Same
CN106749867A (en) * 2016-12-05 2017-05-31 北京大学 A kind of preparation method of the optical diffusion based on PDLC system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111965864A (en) * 2020-08-27 2020-11-20 京东方科技集团股份有限公司 Dimming structure and display device
CN112123881A (en) * 2020-09-30 2020-12-25 深圳凯茵思科技有限公司 Peep-proof membrane and preparation method thereof

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Effective date of registration: 20200624

Address after: 518000 3rd floor, building 5, environmental protection industrial park, Macheng village, Xili Town, Nanshan District, Shenzhen City, Guangdong Province

Applicant after: Shenzhen Filtai Photoelectric Co.,Ltd.

Address before: 518000 3-4 Floor, Five Building, Mahao Village Environmental Protection Industrial Park, Xili Town, Nanshan District, Shenzhen City, Guangdong Province

Applicant before: SHENZHEN PUTE AISI TECHNOLOGY Co.,Ltd.

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Application publication date: 20190823