CN117844364A - Peep-proof film and peep-proof display screen - Google Patents
Peep-proof film and peep-proof display screen Download PDFInfo
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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
- G02F1/15—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 an electrochromic effect
- G02F1/1514—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 an electrochromic effect characterised by the electrochromic material, e.g. by the electrodeposited material
- G02F1/1516—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 an electrochromic effect characterised by the electrochromic material, e.g. by the electrodeposited material comprising organic material
- G02F1/15165—Polymers
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- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
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- C08K2003/2258—Oxides; Hydroxides of metals of tungsten
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Abstract
本发明公开了一种防窥膜及防窥显示屏，其中防窥膜依次包括第一导电基材层、防窥层、第二导电基材层，防窥层包括交替设置的透光区及变色区，变色区由电致变色涂布液经固化后制得；电致变色涂布液以重量份数计，包括20～80份丙烯酸树脂、20～80份丙烯酸酯单体、0.01～5份助剂、5～30份变色材料、1～10份光引发剂。本发明的防窥膜选用丙烯酸树脂、丙烯酸酯单体、变色材料为主要原料得到变色区，交替设置的变色区和透光区形成防窥层，将防窥膜应用于防窥显示屏内部，可调节电压使防窥膜在无防窥和防窥之间转换，在防窥时具有较好的防窥效果且不影响显示屏亮度，此外，本发明的电致变色涂布液固化后形成的变色区的硬度适中、弹性适中，使得防窥膜弯折时不易出现裂缝。
The present invention discloses an anti-peeping film and an anti-peeping display screen, wherein the anti-peeping film comprises a first conductive substrate layer, an anti-peeping layer, and a second conductive substrate layer in sequence, the anti-peeping layer comprises an alternately arranged light-transmitting area and a color-changing area, and the color-changing area is prepared by curing an electrochromic coating liquid; the electrochromic coating liquid comprises, by weight, 20 to 80 parts of acrylic resin, 20 to 80 parts of acrylate monomers, 0.01 to 5 parts of auxiliary agents, 5 to 30 parts of color-changing materials, and 1 to 10 parts of photoinitiators. The anti-peeping film of the present invention uses acrylic resin, acrylate monomers, and color-changing materials as main raw materials to obtain the color-changing area, and the alternately arranged color-changing areas and light-transmitting areas form the anti-peeping layer. The anti-peeping film is applied to the inside of the anti-peeping display screen, and the voltage can be adjusted to make the anti-peeping film switch between no-peeping and anti-peeping. When anti-peeping, it has a good anti-peeping effect and does not affect the brightness of the display screen. In addition, the color-changing area formed after the electrochromic coating liquid of the present invention is cured has moderate hardness and moderate elasticity, so that cracks are not easy to appear when the anti-peeping film is bent.
Description
技术领域Technical Field
本发明属于防窥膜技术领域，尤其涉及一种防窥膜及防窥显示屏。The invention belongs to the technical field of privacy films, and in particular relates to a privacy film and a privacy display screen.
背景技术Background technique
随着电子设备的普及，防窥膜也广泛应用于电子设备的显示屏上，以能够对显示于显示屏的信息起到保护作用，具体地，正视时满足观看需求，偏离一定角度后无法看清屏幕信息，从而可以更好地保护用户在公共空间内的个人隐私。With the popularization of electronic devices, anti-peep films are also widely used on the display screens of electronic devices to protect the information displayed on the display screens. Specifically, they meet the viewing needs when looking straight ahead, but the screen information cannot be seen clearly after deviating from a certain angle, thereby better protecting the user's personal privacy in public spaces.
尽管目前市场上已存在防窥显示屏，但是多数都是通过硅胶贴合的方式将防窥膜固定于显示器的表面而使显示器具有防窥效果，然而因为防窥膜本身存在透过率低的问题，所以一定程度会影响显示器的亮度。此外，现有的防窥膜的吸收层的硬度较高，弯折时易出现裂缝，影响外观及显示屏的清晰度。Although there are anti-peeping displays on the market, most of them are fixed to the surface of the display through silicone bonding to make the display have an anti-peeping effect. However, because the anti-peeping film itself has a low transmittance, it will affect the brightness of the display to a certain extent. In addition, the absorption layer of the existing anti-peeping film is relatively hard, and cracks are easily formed when it is bent, affecting the appearance and clarity of the display.
因此，亟需一种防窥膜及防窥显示屏，以解决现有技术问题的不足。Therefore, there is an urgent need for an anti-peep film and an anti-peep display screen to solve the deficiencies of the existing technical problems.
发明内容Summary of the invention
本发明的目的是提供一种防窥膜，将该防窥膜应用于防窥显示屏，可调节电压使防窥膜在无防窥和防窥之间转换，在防窥时具有较好的防窥效果且不影响显示屏亮度，弯折时还不易出现裂缝。The purpose of the present invention is to provide an anti-peeping film, which is applied to an anti-peeping display screen. The voltage can be adjusted to switch the anti-peeping film between non-peeping and anti-peeping. When anti-peeping, it has a good anti-peeping effect and does not affect the brightness of the display screen. It is not easy to crack when bent.
本发明的另一目的是提供防窥显示屏，该防窥显示屏可快速切换防窥模式和非防窥模式，在防窥模式下具有较好的防窥效果且不影响显示屏亮度，弯折时还不易出现裂缝。Another object of the present invention is to provide an anti-peeping display screen, which can quickly switch between an anti-peeping mode and a non-anti-peeping mode, has a good anti-peeping effect in the anti-peeping mode without affecting the brightness of the display screen, and is not prone to cracks when bent.
为实现以上目的，本发明提供了一种防窥膜，依次包括第一导电基材层、防窥层、第二导电基材层，防窥层包括交替设置的透光区及变色区，变色区由电致变色涂布液经固化后制得；电致变色涂布液以重量份数计，包括20～80份丙烯酸树脂、20～80份丙烯酸酯单体、0.01～5份助剂、5～30份变色材料、1～10份光引发剂。To achieve the above objectives, the present invention provides an anti-peeping film, which comprises a first conductive substrate layer, an anti-peeping layer, and a second conductive substrate layer in sequence, the anti-peeping layer comprising light-transmitting areas and color-changing areas that are alternately arranged, and the color-changing areas are prepared by curing an electrochromic coating liquid; the electrochromic coating liquid comprises, by weight, 20 to 80 parts of acrylic resin, 20 to 80 parts of acrylate monomers, 0.01 to 5 parts of auxiliary agents, 5 to 30 parts of color-changing materials, and 1 to 10 parts of photoinitiators.
与现有技术相比，本发明的防窥膜选用丙烯酸树脂、丙烯酸酯单体、变色材料为电致变色涂布液的主要原料得到变色区，交替设置的变色区和透光区形成防窥层，当变色区为无色时，即变色区和透光区均透光时能够实现非防窥功能；当变色区为有色时，即变色区吸光而透光区透光时能够实现防窥功能。进一步地，将防窥膜可直接应用于防窥显示屏内部，故不影响显示屏的亮度，而且可对第一导电基材层和第二导电基材层施加电压使得两者之间产生电压的变化，变色区根据电压的变化变换为无色或者有色，进而使其在无防窥模式和防窥模式之间转换。此外，本发明的电致变色涂布液固化后形成的变色区的硬度适中、弹性适中，使得防窥膜弯折时不易出现裂缝。Compared with the prior art, the privacy film of the present invention uses acrylic resin, acrylate monomer, and color-changing material as the main raw materials of the electrochromic coating liquid to obtain the color-changing area. The alternating color-changing areas and light-transmitting areas form a privacy layer. When the color-changing area is colorless, that is, when both the color-changing area and the light-transmitting area are light-transmitting, the non-privacy function can be realized; when the color-changing area is colored, that is, when the color-changing area absorbs light and the light-transmitting area is light-transmitting, the privacy function can be realized. Furthermore, the privacy film can be directly applied to the inside of the privacy display screen, so it does not affect the brightness of the display screen, and a voltage can be applied to the first conductive substrate layer and the second conductive substrate layer to generate a voltage change between the two. The color-changing area changes to colorless or colored according to the change in voltage, thereby switching it between the non-privacy mode and the privacy mode. In addition, the color-changing area formed after the electrochromic coating liquid of the present invention is cured has moderate hardness and moderate elasticity, so that cracks are not easy to appear when the privacy film is bent.
进一步地，本发明将20～80份丙烯酸树脂、20～80份丙烯酸酯单体、0.01～5份助剂、5～30份变色材料、1～10份光引发剂搅拌混合均匀制得电致变色涂布液。Furthermore, the present invention prepares an electrochromic coating liquid by stirring and mixing 20 to 80 parts of acrylic resin, 20 to 80 parts of acrylate monomers, 0.01 to 5 parts of auxiliary agents, 5 to 30 parts of color-changing materials, and 1 to 10 parts of photoinitiators.
进一步地，本发明的丙烯酸树脂选自官能度为1～3的脂肪族聚氨酯丙烯酸酯、芳香族聚氨酯丙烯酸酯、聚酯丙烯酸酯和丙烯酸树酯中的至少一种。具体地，丙烯酸树脂的玻璃化转变温度Tg小于0℃，丙烯酸树脂的粘度在25℃时为5000～50000cps。更具体地，丙烯酸树脂可为二官能基脂肪族聚氨酯丙烯酸脂、脂肪族聚氨酯六丙烯酸脂、二官能基芳香族聚氨酯丙烯酸酯、二官能基聚酯丙烯酸酯和二官能基纯丙烯酸酯中的至少一种。本申请的发明人于发明过程中发现，若丙烯酸树脂的官能度大于3，固化时交联反应速度快，使得变色层的硬度变高，进而影响弯折性能，此外，若丙烯酸树脂的官能度大于3也会使得变色层在第一导电基材层上的附着力变差。Furthermore, the acrylic resin of the present invention is selected from at least one of aliphatic polyurethane acrylate, aromatic polyurethane acrylate, polyester acrylate and acrylic resin with a functionality of 1 to 3. Specifically, the glass transition temperature Tg of the acrylic resin is less than 0°C, and the viscosity of the acrylic resin is 5000 to 50000 cps at 25°C. More specifically, the acrylic resin can be at least one of difunctional aliphatic polyurethane acrylate, aliphatic polyurethane hexaacrylate, difunctional aromatic polyurethane acrylate, difunctional polyester acrylate and difunctional pure acrylate. The inventors of the present application found in the process of the invention that if the functionality of the acrylic resin is greater than 3, the cross-linking reaction speed is fast during curing, which makes the hardness of the color-changing layer higher, thereby affecting the bending performance. In addition, if the functionality of the acrylic resin is greater than 3, the adhesion of the color-changing layer on the first conductive substrate layer will also be poor.
进一步地，本发明的丙烯酸酯单体的官能度为1～3。具体地，丙烯酸酯单体可为双官能度的丙烯酸酯单体，如可为1,6-2二醇二丙烯酸酯(HDDA)，当然丙烯酸酯单体可为单官能度的丙烯酸酯单体，如可为异冰片丙烯酸酯(IBOA)。优选地，本发明的丙烯酸酯单体为HDDA和IBOA的混合物。Furthermore, the functionality of the acrylate monomer of the present invention is 1 to 3. Specifically, the acrylate monomer may be a difunctional acrylate monomer, such as 1,6-2 glycol diacrylate (HDDA), and of course the acrylate monomer may be a monofunctional acrylate monomer, such as isobornyl acrylate (IBOA). Preferably, the acrylate monomer of the present invention is a mixture of HDDA and IBOA.
进一步地，本发明的光引发剂为裂解型自由基光引发剂、夺氢型光引发剂和阳离子光引发剂中的至少一种。具体地，光引发剂的引发波段落在300～400nm；更具体地，光引发剂可选自光引发剂184和光引发剂TPO中的至少一种。选用引发波段落在300～400nm的光引发剂184或光引发剂TPO可以改善电致变色涂布液与模具接触部分的固化效果，故利于改善脱模性能。Furthermore, the photoinitiator of the present invention is at least one of a cleavage-type free radical photoinitiator, a hydrogen abstraction-type photoinitiator and a cationic photoinitiator. Specifically, the initiation wavelength of the photoinitiator is between 300 and 400 nm; more specifically, the photoinitiator can be selected from at least one of the photoinitiator 184 and the photoinitiator TPO. The use of the photoinitiator 184 or the photoinitiator TPO with an initiation wavelength between 300 and 400 nm can improve the curing effect of the contact part between the electrochromic coating liquid and the mold, so it is beneficial to improve the demolding performance.
进一步地，本发明的助剂为流平剂、附着力促进剂、爽滑剂和流变助剂中的至少一种。助剂可以改善变色区表面的平整性，具体地，本发明的助剂为BYK-3500，本发明的助剂并不仅限于此，也可选用其他助剂，如BYK-346、BYK-333等。Furthermore, the additive of the present invention is at least one of a leveling agent, an adhesion promoter, a slip agent and a rheological additive. The additive can improve the flatness of the surface of the color change area. Specifically, the additive of the present invention is BYK-3500, but the additive of the present invention is not limited thereto, and other additives such as BYK-346, BYK-333, etc. can also be selected.
进一步地，本发明的变色材料选自三氧化钨、聚噻吩类及其衍生物、聚苯胺，紫罗精类、四硫富瓦烯、炭黑和金属酞菁类化合物中的至少一种。具体地，本发明的变色材料为三氧化钨、聚苯胺或炭黑。Furthermore, the color-changing material of the present invention is selected from at least one of tungsten trioxide, polythiophenes and their derivatives, polyaniline, viologens, tetrathiafulvalene, carbon black and metal phthalocyanine compounds. Specifically, the color-changing material of the present invention is tungsten trioxide, polyaniline or carbon black.
进一步地，本发明的变色区的折射率为1.4～1.6。如此设置可使得防窥膜处于防窥模式下具有较佳的防窥效果。Furthermore, the refractive index of the color-changing area of the present invention is 1.4 to 1.6. Such an arrangement can make the anti-peeping film have a better anti-peeping effect in the anti-peeping mode.
进一步地，本发明的第一导电基材层和所述第二导电基材层各自独立地选自ITO膜、纳米银线导电膜和金属网格导电膜中的至少一种。Furthermore, the first conductive substrate layer and the second conductive substrate layer of the present invention are each independently selected from at least one of an ITO film, a nanosilver wire conductive film and a metal mesh conductive film.
进一步地，本发明的透光区为空气。空气的折射率为1.0003，故透光区能够实现较好地透光效果。Furthermore, the light-transmitting area of the present invention is air. The refractive index of air is 1.0003, so the light-transmitting area can achieve a good light-transmitting effect.
为实现以上目的，本发明还提供了一种防窥显示屏，包括显示面板及上述提及的防窥膜，防窥膜设置于显示面板的内部。To achieve the above objectives, the present invention further provides an anti-peeping display screen, comprising a display panel and the above-mentioned anti-peeping film, wherein the anti-peeping film is arranged inside the display panel.
与现有技术中将防窥膜设置于显示面板的表面相比，本发明的防窥膜设置于显示面板的内部，当处于防窥模式下不会影响显示屏的亮度且还具有较好的防窥效果，同时可调节电压使防窥显示屏可快速切换防窥模式和非防窥模式。Compared with the prior art in which the anti-peep film is set on the surface of the display panel, the anti-peep film of the present invention is set inside the display panel. When in the anti-peep mode, it will not affect the brightness of the display screen and also has a good anti-peep effect. At the same time, the voltage can be adjusted so that the anti-peep display screen can quickly switch between the anti-peep mode and the non-anti-peep mode.
附图说明BRIEF DESCRIPTION OF THE DRAWINGS
图1为本发明的防窥膜的结构示意图。FIG. 1 is a schematic structural diagram of the privacy film of the present invention.
具体实施方式Detailed ways
为了进一步了解本发明，下面将结合本发明实施例，对本发明的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。In order to further understand the present invention, the technical solution of the present invention will be clearly and completely described below in combination with the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
本发明所有原料，对其来源没有特别限制，在市场上购买的或按照本领域技术人员熟知的常规方法制备的即可。All raw materials of the present invention are not particularly limited in their sources and can be purchased from the market or prepared according to conventional methods well known to those skilled in the art.
请参看图1，本发明的防窥膜100依次包括第一导电基材层11、防窥层12、第二导电基材层13，防窥层12包括交替设置的透光区121及变色区122，变色区122由电致变色涂布液经固化后制得，具体地，本发明通过将电致变色涂布液涂在具有若干微结构的模具上，将模具与第一导电基材层11进行压合，待电致变色涂布液固化后，进行脱模从而将微结构转移至第一导电基材层上11形成变色区122，微结构可为图1中所示的长方形，相邻两个变色区122之间形成的凹腔(即空气)构成透光区121，即透光区121与变色区122呈交替设置。此外有必要说明的是，微结构也可为梯形、半圆形或圆弧形，本领域的技术人员可根据实际需要做具体选择。Please refer to FIG. 1 . The privacy film 100 of the present invention comprises a first conductive substrate layer 11, a privacy layer 12, and a second conductive substrate layer 13 in sequence. The privacy layer 12 comprises light-transmitting areas 121 and color-changing areas 122 arranged alternately. The color-changing areas 122 are prepared by curing the electrochromic coating liquid. Specifically, the present invention applies the electrochromic coating liquid on a mold having a plurality of microstructures, presses the mold with the first conductive substrate layer 11, and after the electrochromic coating liquid is cured, demolds the mold to transfer the microstructure to the first conductive substrate layer 11 to form the color-changing areas 122. The microstructure can be a rectangle as shown in FIG. 1 . The concave cavity (i.e., air) formed between two adjacent color-changing areas 122 constitutes the light-transmitting area 121, i.e., the light-transmitting area 121 and the color-changing area 122 are arranged alternately. In addition, it is necessary to explain that the microstructure can also be trapezoidal, semicircular, or arc-shaped. Those skilled in the art can make specific choices according to actual needs.
实施例中的二官能基脂肪族聚氨酯丙烯酸脂采购于台湾长兴，型号为6123；脂肪族聚氨酯六丙烯酸脂采购于Solmer，型号为SU58；二官能基芳香族聚氨酯丙烯酸酯采购于台湾长兴，型号为6121F-80NT；二官能基聚酯丙烯酸酯采购于台湾长兴，型号为DR-E527；二官能基纯丙烯酸酯采购于台湾长兴，型号为DR-872。The difunctional aliphatic polyurethane acrylate in the embodiment was purchased from Changxing, Taiwan, model number 6123; the aliphatic polyurethane hexaacrylate was purchased from Solmer, model number SU58; the difunctional aromatic polyurethane acrylate was purchased from Changxing, Taiwan, model number 6121F-80NT; the difunctional polyester acrylate was purchased from Changxing, Taiwan, model number DR-E527; the difunctional pure acrylate was purchased from Changxing, Taiwan, model number DR-872.
实施例1Example 1
本实施例提供了一种防窥膜，依次包括ITO膜层、防窥层、纳米银线导电膜，防窥层包括交替设置的透光区及变色区，变色区由电致变色涂布液经固化后制得；电致变色涂布液以重量份数计，包括50份二官能基脂肪族聚氨酯丙烯酸脂、20份HDDA、8.5份IBOA、0.5份BYK-3500、15份三氧化钨、3份光引发剂184、3份光引发剂TPO。The present embodiment provides an anti-peep film, which includes an ITO film layer, an anti-peep layer, and a nano silver wire conductive film in sequence. The anti-peep layer includes alternating light-transmitting areas and color-changing areas. The color-changing areas are prepared by curing an electrochromic coating liquid. The electrochromic coating liquid includes, by weight, 50 parts of difunctional aliphatic polyurethane acrylate, 20 parts of HDDA, 8.5 parts of IBOA, 0.5 parts of BYK-3500, 15 parts of tungsten trioxide, 3 parts of photoinitiator 184, and 3 parts of photoinitiator TPO.
将电致变色涂布液涂在具有若干长方形结构的模具上，将模具与第一导电基材层进行压合，然后于300～400nm波长及800～1000mJ/cm2光能量下固化，固化后脱模从而将长方形结构转移至第一导电基材层上形成具有变色区，相邻两个长方形结构之间形成凹腔，凹腔内的空气构成透光区。The electrochromic coating liquid is applied to a mold having a plurality of rectangular structures, the mold is pressed together with the first conductive substrate layer, and then cured at a wavelength of 300-400nm and a light energy of 800-1000mJ/ cm2. After curing, the mold is demolded to transfer the rectangular structure to the first conductive substrate layer to form a color-changing area, and a cavity is formed between two adjacent rectangular structures, and the air in the cavity constitutes a light-transmitting area.
实施例2Example 2
本实施例提供了一种防窥膜，依次包括ITO膜层、防窥层、纳米银线导电膜，防窥层包括交替设置的透光区及变色区，变色区由电致变色涂布液经固化后制得；电致变色涂布液以重量份数计，包括50份脂肪族聚氨酯六丙烯酸脂、20份HDDA、8.5份IBOA、0.5份BYK-3500、15份三氧化钨、3份光引发剂184、3份光引发剂TPO。The present embodiment provides an anti-peep film, which includes an ITO film layer, an anti-peep layer, and a nano silver wire conductive film in sequence. The anti-peep layer includes alternating light-transmitting areas and color-changing areas. The color-changing areas are prepared by curing an electrochromic coating liquid. The electrochromic coating liquid includes, by weight, 50 parts of aliphatic polyurethane hexaacrylate, 20 parts of HDDA, 8.5 parts of IBOA, 0.5 parts of BYK-3500, 15 parts of tungsten trioxide, 3 parts of photoinitiator 184, and 3 parts of photoinitiator TPO.
将电致变色涂布液涂在具有若干长方形结构的模具上，将模具与第一导电基材层进行压合，然后于300～400nm波长及800～1000mJ/cm2光能量下固化，固化后脱模从而将长方形结构转移至第一导电基材层上形成具有变色区，相邻两个长方形结构之间形成凹腔，凹腔内的空气构成透光区。The electrochromic coating liquid is applied to a mold having a plurality of rectangular structures, the mold is pressed together with the first conductive substrate layer, and then cured at a wavelength of 300-400nm and a light energy of 800-1000mJ/ cm2. After curing, the mold is demolded to transfer the rectangular structure to the first conductive substrate layer to form a color-changing area, and a cavity is formed between two adjacent rectangular structures, and the air in the cavity constitutes a light-transmitting area.
实施例3Example 3
本实施例提供了一种防窥膜，依次包括ITO膜层、防窥层、纳米银线导电膜，防窥层包括交替设置的透光区及变色区，变色区由电致变色涂布液经固化后制得；电致变色涂布液以重量份数计，包括50份二官能基芳香族聚氨酯丙烯酸酯、20份HDDA、8.5份IBOA、0.5份BYK-3500、15份三氧化钨、3份光引发剂184、3份光引发剂TPO。The present embodiment provides an anti-peep film, which includes an ITO film layer, an anti-peep layer, and a nano silver wire conductive film in sequence. The anti-peep layer includes alternating light-transmitting areas and color-changing areas. The color-changing areas are prepared by curing an electrochromic coating liquid. The electrochromic coating liquid includes, by weight, 50 parts of difunctional aromatic polyurethane acrylate, 20 parts of HDDA, 8.5 parts of IBOA, 0.5 parts of BYK-3500, 15 parts of tungsten trioxide, 3 parts of photoinitiator 184, and 3 parts of photoinitiator TPO.
将电致变色涂布液涂在具有若干长方形结构的模具上，将模具与第一导电基材层进行压合，然后于300～400nm波长及800～1000mJ/cm2光能量下固化，固化后脱模从而将长方形结构转移至第一导电基材层上形成具有变色区，相邻两个长方形结构之间形成凹腔，凹腔内的空气构成透光区。The electrochromic coating liquid is applied to a mold having a plurality of rectangular structures, the mold is pressed together with the first conductive substrate layer, and then cured at a wavelength of 300-400nm and a light energy of 800-1000mJ/ cm2. After curing, the mold is demolded to transfer the rectangular structure to the first conductive substrate layer to form a color-changing area, and a cavity is formed between two adjacent rectangular structures, and the air in the cavity constitutes a light-transmitting area.
实施例4Example 4
本实施例提供了一种防窥膜，依次包括ITO膜层、防窥层、纳米银线导电膜，防窥层包括交替设置的透光区及变色区，变色区由电致变色涂布液经固化后制得；电致变色涂布液以重量份数计，包括30份二官能基脂肪族聚氨酯丙烯酸脂、20份二官能基聚酯丙烯酸酯、20份HDDA、8.5份IBOA、0.5份BYK-3500、15份三氧化钨、3份光引发剂184、3份光引发剂TPO。The present embodiment provides an anti-peep film, which includes an ITO film layer, an anti-peep layer, and a nano silver wire conductive film in sequence. The anti-peep layer includes alternating light-transmitting areas and color-changing areas. The color-changing areas are prepared by curing an electrochromic coating liquid. The electrochromic coating liquid includes, by weight, 30 parts of difunctional aliphatic polyurethane acrylate, 20 parts of difunctional polyester acrylate, 20 parts of HDDA, 8.5 parts of IBOA, 0.5 parts of BYK-3500, 15 parts of tungsten trioxide, 3 parts of photoinitiator 184, and 3 parts of photoinitiator TPO.
将电致变色涂布液涂在具有若干长方形结构的模具上，将模具与第一导电基材层进行压合，然后于300～400nm波长及800～1000mJ/cm2光能量下固化，固化后脱模从而将长方形结构转移至第一导电基材层上形成具有变色区，相邻两个长方形结构之间形成凹腔，凹腔内的空气构成透光区。The electrochromic coating liquid is applied to a mold having a plurality of rectangular structures, the mold is pressed together with the first conductive substrate layer, and then cured at a wavelength of 300-400nm and a light energy of 800-1000mJ/ cm2. After curing, the mold is demolded to transfer the rectangular structure to the first conductive substrate layer to form a color-changing area, and a cavity is formed between two adjacent rectangular structures, and the air in the cavity constitutes a light-transmitting area.
实施例5Example 5
本实施例提供了一种防窥膜，依次包括ITO膜层、防窥层、纳米银线导电膜，防窥层包括交替设置的透光区及变色区，变色区由电致变色涂布液经固化后制得；电致变色涂布液以重量份数计，包括30份二官能基脂肪族聚氨酯丙烯酸脂、20份二官能基纯丙烯酸酯、20份HDDA、8.5份IBOA、0.5份BYK-3500、15份三氧化钨、3份光引发剂184、3份光引发剂TPO。The present embodiment provides an anti-peep film, which includes an ITO film layer, an anti-peep layer, and a nano silver wire conductive film in sequence. The anti-peep layer includes alternating light-transmitting areas and color-changing areas. The color-changing areas are prepared by curing an electrochromic coating liquid. The electrochromic coating liquid includes, by weight, 30 parts of difunctional aliphatic polyurethane acrylate, 20 parts of difunctional pure acrylate, 20 parts of HDDA, 8.5 parts of IBOA, 0.5 parts of BYK-3500, 15 parts of tungsten trioxide, 3 parts of photoinitiator 184, and 3 parts of photoinitiator TPO.
将电致变色涂布液涂在具有若干长方形结构的模具上，将模具与第一导电基材层进行压合，然后于300～400nm波长及800～1000mJ/cm2光能量下固化，固化后脱模从而将长方形结构转移至第一导电基材层上形成具有变色区，相邻两个长方形结构之间形成凹腔，凹腔内的空气构成透光区。The electrochromic coating liquid is applied to a mold having a plurality of rectangular structures, the mold is pressed together with the first conductive substrate layer, and then cured at a wavelength of 300-400nm and a light energy of 800-1000mJ/ cm2. After curing, the mold is demolded to transfer the rectangular structure to the first conductive substrate layer to form a color-changing area, and a cavity is formed between two adjacent rectangular structures, and the air in the cavity constitutes a light-transmitting area.
实施例6Example 6
本实施例提供了一种防窥膜，依次包括ITO膜层、防窥层、纳米银线导电膜，防窥层包括交替设置的透光区及变色区，变色区由电致变色涂布液经固化后制得；电致变色涂布液以重量份数计，包括50份二官能基脂肪族聚氨酯丙烯酸脂、20份HDDA、8.5份IBOA、0.5份BYK-3500、15份聚苯胺、3份光引发剂184、3份光引发剂TPO。The present embodiment provides an anti-peep film, which includes an ITO film layer, an anti-peep layer, and a nano silver wire conductive film in sequence. The anti-peep layer includes alternating light-transmitting areas and color-changing areas. The color-changing areas are prepared by curing an electrochromic coating liquid. The electrochromic coating liquid includes, by weight, 50 parts of difunctional aliphatic polyurethane acrylate, 20 parts of HDDA, 8.5 parts of IBOA, 0.5 parts of BYK-3500, 15 parts of polyaniline, 3 parts of photoinitiator 184, and 3 parts of photoinitiator TPO.
将电致变色涂布液涂在具有若干长方形结构的模具上，将模具与第一导电基材层进行压合，然后于300～400nm波长及800～1000mJ/cm2光能量下固化，固化后脱模从而将长方形结构转移至第一导电基材层上形成具有变色区，相邻两个长方形结构之间形成凹腔，凹腔内的空气构成透光区。The electrochromic coating liquid is applied to a mold having a plurality of rectangular structures, the mold is pressed together with the first conductive substrate layer, and then cured at a wavelength of 300-400nm and a light energy of 800-1000mJ/ cm2. After curing, the mold is demolded to transfer the rectangular structure to the first conductive substrate layer to form a color-changing area, and a cavity is formed between two adjacent rectangular structures, and the air in the cavity constitutes a light-transmitting area.
实施例7Example 7
本实施例提供了一种防窥膜，依次包括ITO膜层、防窥层、纳米银线导电膜，防窥层包括交替设置的透光区及变色区，变色区由电致变色涂布液经固化后制得；电致变色涂布液以重量份数计，包括50份二官能基脂肪族聚氨酯丙烯酸脂、20份HDDA、8.5份IBOA、0.5份BYK-3500、10份聚苯胺、3份光引发剂184、3份光引发剂TPO。The present embodiment provides an anti-peep film, which includes an ITO film layer, an anti-peep layer, and a nano silver wire conductive film in sequence. The anti-peep layer includes alternating light-transmitting areas and color-changing areas. The color-changing areas are prepared by curing an electrochromic coating liquid. The electrochromic coating liquid includes, by weight, 50 parts of difunctional aliphatic polyurethane acrylate, 20 parts of HDDA, 8.5 parts of IBOA, 0.5 parts of BYK-3500, 10 parts of polyaniline, 3 parts of photoinitiator 184, and 3 parts of photoinitiator TPO.
将电致变色涂布液涂在具有若干长方形结构的模具上，将模具与第一导电基材层进行压合，然后于300～400nm波长及800～1000mJ/cm2光能量下固化，固化后脱模从而将长方形结构转移至第一导电基材层上形成具有变色区，相邻两个长方形结构之间形成凹腔，凹腔内的空气构成透光区。The electrochromic coating liquid is applied to a mold having a plurality of rectangular structures, the mold is pressed together with the first conductive substrate layer, and then cured at a wavelength of 300-400nm and a light energy of 800-1000mJ/ cm2. After curing, the mold is demolded to transfer the rectangular structure to the first conductive substrate layer to form a color-changing area, and a cavity is formed between two adjacent rectangular structures, and the air in the cavity constitutes a light-transmitting area.
实施例8Example 8
本实施例提供了一种防窥膜，依次包括ITO膜层、防窥层、纳米银线导电膜，防窥层包括交替设置的透光区及变色区，变色区由电致变色涂布液经固化后制得；电致变色涂布液以重量份数计，包括50份二官能基脂肪族聚氨酯丙烯酸脂、20份HDDA、8.5份IBOA、0.5份BYK-3500、7.5份三氧化钨、7.5份聚苯胺、3份光引发剂184、3份光引发剂TPO。The present embodiment provides an anti-peep film, which includes an ITO film layer, an anti-peep layer, and a nano silver wire conductive film in sequence. The anti-peep layer includes alternating light-transmitting areas and color-changing areas. The color-changing areas are prepared by curing an electrochromic coating liquid. The electrochromic coating liquid includes, by weight, 50 parts of difunctional aliphatic polyurethane acrylate, 20 parts of HDDA, 8.5 parts of IBOA, 0.5 parts of BYK-3500, 7.5 parts of tungsten trioxide, 7.5 parts of polyaniline, 3 parts of photoinitiator 184, and 3 parts of photoinitiator TPO.
将电致变色涂布液涂在具有若干长方形结构的模具上，将模具与第一导电基材层进行压合，然后于300～400nm波长及800～1000mJ/cm2光能量下固化，固化后脱模从而将长方形结构转移至第一导电基材层上形成具有变色区，相邻两个长方形结构之间形成凹腔，凹腔内的空气构成透光区。The electrochromic coating liquid is applied to a mold having a plurality of rectangular structures, the mold is pressed together with the first conductive substrate layer, and then cured at a wavelength of 300-400nm and a light energy of 800-1000mJ/ cm2. After curing, the mold is demolded to transfer the rectangular structure to the first conductive substrate layer to form a color-changing area, and a cavity is formed between two adjacent rectangular structures, and the air in the cavity constitutes a light-transmitting area.
实施例9Example 9
本实施例提供了一种防窥膜，依次包括ITO膜层、防窥层、纳米银线导电膜，防窥层包括交替设置的透光区及变色区，变色区由电致变色涂布液经固化后制得；电致变色涂布液以重量份数计，包括10份脂肪族聚氨酯六丙烯酸脂、40份二官能基芳香族聚氨酯丙烯酸酯，20份HDDA、8.5份IBOA、0.5份BYK-3500、15份聚苯胺、3份光引发剂184、3份光引发剂TPO。The present embodiment provides an anti-peep film, which includes an ITO film layer, an anti-peep layer, and a nano silver wire conductive film in sequence. The anti-peep layer includes alternating light-transmitting areas and color-changing areas, and the color-changing areas are prepared by curing an electrochromic coating liquid; the electrochromic coating liquid includes, by weight, 10 parts of aliphatic polyurethane hexaacrylate, 40 parts of difunctional aromatic polyurethane acrylate, 20 parts of HDDA, 8.5 parts of IBOA, 0.5 parts of BYK-3500, 15 parts of polyaniline, 3 parts of photoinitiator 184, and 3 parts of photoinitiator TPO.
将电致变色涂布液涂在具有若干长方形结构的模具上，将模具与第一导电基材层进行压合，然后于300～400nm波长及800～1000mJ/cm2光能量下固化，固化后脱模从而将长方形结构转移至第一导电基材层上形成具有变色区，相邻两个长方形结构之间形成凹腔，凹腔内的空气构成透光区。The electrochromic coating liquid is applied to a mold having a plurality of rectangular structures, the mold is pressed together with the first conductive substrate layer, and then cured at a wavelength of 300-400nm and a light energy of 800-1000mJ/ cm2. After curing, the mold is demolded to transfer the rectangular structure to the first conductive substrate layer to form a color-changing area, and a cavity is formed between two adjacent rectangular structures, and the air in the cavity constitutes a light-transmitting area.
实施例10Example 10
本实施例提供了一种防窥膜，依次包括ITO膜层、防窥层、纳米银线导电膜，防窥层包括交替设置的透光区及变色区，变色区由电致变色涂布液经固化后制得；电致变色涂布液以重量份数计，包括30份二官能基芳香族聚氨酯丙烯酸酯、20份二官能基纯丙烯酸酯、20份HDDA、8.5份IBOA、0.5份BYK-3500、15份聚苯胺、3份光引发剂184、3份光引发剂TPO。The present embodiment provides an anti-peep film, which includes an ITO film layer, an anti-peep layer, and a nano silver wire conductive film in sequence. The anti-peep layer includes alternating light-transmitting areas and color-changing areas. The color-changing areas are prepared by curing an electrochromic coating liquid. The electrochromic coating liquid includes, by weight, 30 parts of difunctional aromatic polyurethane acrylate, 20 parts of difunctional pure acrylate, 20 parts of HDDA, 8.5 parts of IBOA, 0.5 parts of BYK-3500, 15 parts of polyaniline, 3 parts of photoinitiator 184, and 3 parts of photoinitiator TPO.
将电致变色涂布液涂在具有若干长方形结构的模具上，将模具与第一导电基材层进行压合，然后于300～400nm波长及800～1000mJ/cm2光能量下固化，固化后脱模从而将长方形结构转移至第一导电基材层上形成具有变色区，相邻两个长方形结构之间形成凹腔，凹腔内的空气构成透光区。The electrochromic coating liquid is applied to a mold having a plurality of rectangular structures, the mold is pressed together with the first conductive substrate layer, and then cured at a wavelength of 300-400nm and a light energy of 800-1000mJ/ cm2. After curing, the mold is demolded to transfer the rectangular structure to the first conductive substrate layer to form a color-changing area, and a cavity is formed between two adjacent rectangular structures, and the air in the cavity constitutes a light-transmitting area.
实施例11Embodiment 11
本实施例提供了一种防窥膜，依次包括ITO膜层、防窥层、纳米银线导电膜，防窥层包括交替设置的透光区及变色区，变色区由电致变色涂布液经固化后制得；电致变色涂布液以重量份数计，包括50份二官能基脂肪族聚氨酯丙烯酸脂、20份HDDA、8.5份IBOA、0.5份BYK-3500、15份粒径D90≤500nm的高色素炭黑、3份光引发剂184、3份光引发剂TPO。The present embodiment provides an anti-peep film, which includes an ITO film layer, an anti-peep layer, and a nano silver wire conductive film in sequence. The anti-peep layer includes alternating light-transmitting areas and color-changing areas, and the color-changing areas are prepared by curing an electrochromic coating liquid; the electrochromic coating liquid includes, by weight, 50 parts of difunctional aliphatic polyurethane acrylate, 20 parts of HDDA, 8.5 parts of IBOA, 0.5 parts of BYK-3500, 15 parts of high-pigment carbon black with a particle size of D90≤500nm, 3 parts of photoinitiator 184, and 3 parts of photoinitiator TPO.
将电致变色涂布液涂在具有若干长方形结构的模具上，将模具与第一导电基材层进行压合，然后于300～400nm波长及800～1000mJ/cm2光能量下固化，固化后脱模从而将长方形结构转移至第一导电基材层上形成具有变色区，相邻两个长方形结构之间形成凹腔，凹腔内的空气构成透光区。The electrochromic coating liquid is applied to a mold having a plurality of rectangular structures, the mold is pressed together with the first conductive substrate layer, and then cured at a wavelength of 300-400nm and a light energy of 800-1000mJ/ cm2. After curing, the mold is demolded to transfer the rectangular structure to the first conductive substrate layer to form a color-changing area, and a cavity is formed between two adjacent rectangular structures, and the air in the cavity constitutes a light-transmitting area.
实施例12Example 12
本实施例提供了一种防窥膜，依次包括ITO膜层、防窥层、金属网格导电膜，防窥层包括交替设置的透光区及变色区，变色区由电致变色涂布液经固化后制得；电致变色涂布液以重量份数计，包括60份二官能基脂肪族聚氨酯丙烯酸脂、20份HDDA、10份IBOA、1份BYK-3500、20份三氧化钨、3份光引发剂184、4份光引发剂TPO。The present embodiment provides an anti-peep film, which includes an ITO film layer, an anti-peep layer, and a metal grid conductive film in sequence. The anti-peep layer includes alternating light-transmitting areas and color-changing areas. The color-changing areas are prepared by curing an electrochromic coating liquid. The electrochromic coating liquid includes, by weight, 60 parts of difunctional aliphatic polyurethane acrylate, 20 parts of HDDA, 10 parts of IBOA, 1 part of BYK-3500, 20 parts of tungsten trioxide, 3 parts of photoinitiator 184, and 4 parts of photoinitiator TPO.
将电致变色涂布液涂在具有若干长方形结构的模具上，将模具与第一导电基材层进行压合，然后于300～400nm波长及800～1000mJ/cm2光能量下固化，固化后脱模从而将长方形结构转移至第一导电基材层上形成具有变色区，相邻两个长方形结构之间形成凹腔，凹腔内的空气构成透光区。The electrochromic coating liquid is applied to a mold having a plurality of rectangular structures, the mold is pressed together with the first conductive substrate layer, and then cured at a wavelength of 300-400nm and a light energy of 800-1000mJ/ cm2. After curing, the mold is demolded to transfer the rectangular structure to the first conductive substrate layer to form a color-changing area, and a cavity is formed between two adjacent rectangular structures, and the air in the cavity constitutes a light-transmitting area.
将实施例1～12的防窥膜进行以下测试，测试结果如表1所示。The privacy films of Examples 1 to 12 were subjected to the following tests, and the test results are shown in Table 1.
脱模性：电致变色涂布液固化形成变色区后进行脱模，观察脱模情况，能脱模或有轻微脱模声音或无脱模声音则为OK，否则为NG。Mold release: After the electrochromic coating liquid solidifies to form a color-changing area, demolding is performed and the demolding condition is observed. If demolding is possible or there is a slight demolding sound or no demolding sound, it is OK, otherwise it is NG.
硬度：采用邵氏硬度计对电致变色涂布液固化后形成的变色区的硬度进行测量。断裂性能测试：采用万能材料试验机测试电致变色涂布液固化后形成的变色区的断裂伸长率和弹性模量。Hardness: The hardness of the discoloration area formed after the electrochromic coating liquid is cured is measured using a Shore hardness tester. Fracture performance test: The elongation at break and elastic modulus of the discoloration area formed after the electrochromic coating liquid is cured are tested using a universal material testing machine.
防窥效果测试：将实施例1～12的防窥膜设置于显示面板的内部，制得防窥显示屏，通电后观察防窥效果，能实现防窥功能则为OK，否则NG。Anti-peeping effect test: The anti-peeping films of Examples 1 to 12 are placed inside the display panel to make an anti-peeping display screen. After power is turned on, the anti-peeping effect is observed. If the anti-peeping function can be achieved, it is OK, otherwise it is NG.
表1Table 1
由表1可知，本发明的防窥膜选用丙烯酸树脂、丙烯酸酯单体、变色材料、助剂、变色材料、光引发剂为电致变色涂布液的原料得到变色区，本发明电致变色涂布液固化后形成的变色区的硬度为60～85A，弹性模量为3.8～4.32MPa，故变色区的硬度适中、弹性适中，使得防窥膜弯折时不易出现裂缝。此外，将防窥膜应用于防窥显示屏内部，不影响显示屏的亮度，变色区根据电压的变化变换为无色或者有色，进而使其在无防窥模式和防窥模式之间转换，在防窥时具有较好的防窥效果。As shown in Table 1, the privacy film of the present invention uses acrylic resin, acrylate monomer, color-changing material, auxiliary agent, color-changing material, and photoinitiator as raw materials of the electrochromic coating liquid to obtain the color-changing area. The hardness of the color-changing area formed after the electrochromic coating liquid of the present invention is cured is 60-85A, and the elastic modulus is 3.8-4.32MPa. Therefore, the hardness and elasticity of the color-changing area are moderate, so that the privacy film is not easy to crack when it is bent. In addition, the privacy film is applied to the inside of the privacy display screen, which does not affect the brightness of the display screen. The color-changing area changes to colorless or colored according to the change of voltage, so that it can be switched between the non-privacy mode and the privacy mode, and has a good privacy effect when privacy is prevented.
将实施例1与实施例2进行对比，可发现实施例2的变色区的硬度更高，这也表明丙烯酸树脂选自脂肪族聚氨酯六丙烯酸脂时，即丙烯酸树脂的官能度大于3时会使得电致变色涂布液固化后形成的变色区稍硬，进而不利于防窥膜弯折，故本申请的丙烯酸树脂优选地选自官能度为1～3的脂肪族聚氨酯丙烯酸酯、芳香族聚氨酯丙烯酸酯、聚酯丙烯酸酯和丙烯酸树酯中的至少一种。By comparing Example 1 with Example 2, it can be found that the hardness of the color-changing area of Example 2 is higher, which also shows that when the acrylic resin is selected from aliphatic polyurethane hexaacrylate, that is, when the functionality of the acrylic resin is greater than 3, the color-changing area formed after the electrochromic coating liquid is cured will be slightly harder, which is not conducive to the bending of the anti-peep film. Therefore, the acrylic resin of the present application is preferably selected from at least one of aliphatic polyurethane acrylates, aromatic polyurethane acrylates, polyester acrylates and acrylic resins with a functionality of 1 to 3.
最后应当说明的是，以上实施例仅用以说明本发明的技术方案而非对本发明保护范围的限制，尽管参照较佳实施例对本发明作了详细说明，本领域的普通技术人员应当理解，可以对本发明的技术方案进行修改或者等同替换，而不脱离本发明技术方案的实质和范围。Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit the scope of protection of the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced by equivalents without departing from the essence and scope of the technical solution of the present invention.
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000020528A1 (en) * | 1998-10-06 | 2000-04-13 | Bayer Aktiengesellschaft | Arrangement based on poly-(3,4-dioxythiophene) derivatives which are electrochromically switched with protons |
| JP2007052094A (en) * | 2005-08-16 | 2007-03-01 | Shin Etsu Polymer Co Ltd | Peeping preventing unit |
| US20150299476A1 (en) * | 2014-04-17 | 2015-10-22 | Boe Technology Group Co., Ltd. | Conductive composition and the method for producing the same, color filter and the method for producing the same |
| CN109799555A (en) * | 2018-12-28 | 2019-05-24 | 张家港康得新光电材料有限公司 | A kind of peep-proof film resistant to bending |
| US20190285958A1 (en) * | 2018-03-19 | 2019-09-19 | Oktopolymer Llc | Electrochromic device and method of its manufacturing |
| CN110989266A (en) * | 2019-12-26 | 2020-04-10 | 江西沃格光电股份有限公司 | Variable visual angle peep-proof film and display device |
| WO2021197268A1 (en) * | 2020-04-01 | 2021-10-07 | 深圳市光羿科技有限公司 | Electrochromic device and electrochromic method therefor |
| CN214409525U (en) * | 2020-11-23 | 2021-10-15 | 深圳市信维通信股份有限公司 | Anti-peeping film |
| CN113773744A (en) * | 2021-10-28 | 2021-12-10 | 陕西宝塔山油漆股份有限公司 | Water-based alkyd anticorrosive paint and preparation method thereof |
| CN114236654A (en) * | 2021-12-28 | 2022-03-25 | 东莞市超智新材料有限公司 | Anti-dazzle light beam direction control film and preparation method thereof |
| CN218174865U (en) * | 2022-09-02 | 2022-12-30 | 东莞市超智新材料有限公司 | Peep-proof film |
| KR20230053123A (en) * | 2021-10-14 | 2023-04-21 | 한국기술교육대학교 산학협력단 | Electrochromism element composite based on Poly(butyl acrylate) having light transmissibility and stretchability, and manufacturing method of electrochromism member |
-
2023
- 2023-12-26 CN CN202311801049.2A patent/CN117844364A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000020528A1 (en) * | 1998-10-06 | 2000-04-13 | Bayer Aktiengesellschaft | Arrangement based on poly-(3,4-dioxythiophene) derivatives which are electrochromically switched with protons |
| JP2007052094A (en) * | 2005-08-16 | 2007-03-01 | Shin Etsu Polymer Co Ltd | Peeping preventing unit |
| US20150299476A1 (en) * | 2014-04-17 | 2015-10-22 | Boe Technology Group Co., Ltd. | Conductive composition and the method for producing the same, color filter and the method for producing the same |
| US20190285958A1 (en) * | 2018-03-19 | 2019-09-19 | Oktopolymer Llc | Electrochromic device and method of its manufacturing |
| CN109799555A (en) * | 2018-12-28 | 2019-05-24 | 张家港康得新光电材料有限公司 | A kind of peep-proof film resistant to bending |
| CN110989266A (en) * | 2019-12-26 | 2020-04-10 | 江西沃格光电股份有限公司 | Variable visual angle peep-proof film and display device |
| WO2021197268A1 (en) * | 2020-04-01 | 2021-10-07 | 深圳市光羿科技有限公司 | Electrochromic device and electrochromic method therefor |
| CN214409525U (en) * | 2020-11-23 | 2021-10-15 | 深圳市信维通信股份有限公司 | Anti-peeping film |
| KR20230053123A (en) * | 2021-10-14 | 2023-04-21 | 한국기술교육대학교 산학협력단 | Electrochromism element composite based on Poly(butyl acrylate) having light transmissibility and stretchability, and manufacturing method of electrochromism member |
| CN113773744A (en) * | 2021-10-28 | 2021-12-10 | 陕西宝塔山油漆股份有限公司 | Water-based alkyd anticorrosive paint and preparation method thereof |
| CN114236654A (en) * | 2021-12-28 | 2022-03-25 | 东莞市超智新材料有限公司 | Anti-dazzle light beam direction control film and preparation method thereof |
| CN218174865U (en) * | 2022-09-02 | 2022-12-30 | 东莞市超智新材料有限公司 | Peep-proof film |
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