CN212207911U - Flexible peep-proof display device - Google Patents
Flexible peep-proof display device Download PDFInfo
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- CN212207911U CN212207911U CN202020676449.0U CN202020676449U CN212207911U CN 212207911 U CN212207911 U CN 212207911U CN 202020676449 U CN202020676449 U CN 202020676449U CN 212207911 U CN212207911 U CN 212207911U
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Abstract
The utility model relates to a display device technical field, concretely relates to flexible peep-proof display device. The utility model provides a flexible peep-proof display device, including liquid crystal functional layer, isolation layer and the electrochromic layer that the stromatolite set up in proper order. The utility model discloses utilize the liquid crystal functional layer to combine electrochromic functional layer to realize the full transparent display device that does not have visual barrier under the normality, and simulate blue sky cloudiness after adding the zone drive, provide the visual display picture that highly enjoys under bad weather; simultaneously the utility model provides a device has the effect that realizes adjusting luminance daytime, reduces sunshine and penetrates directly, filters harmful light and energy-conserving subtracts the consumption, realizes the space effect of the modern house of ideal/official working of night official working peep-proof simultaneously. Additionally, the utility model provides a display device has the flexibility and can curl, simple structure, removes the advantage that convenience and range of application are wide.
Description
Technical Field
The utility model relates to a display device technical field, concretely relates to flexible peep-proof display device.
Background
Modern house and office environment have adopted the full clear glass structure, and daylighting is good daytime, but is difficult to avoid sunshine to penetrate office environment directly for indoor temperature sharply rises, has not only increased indoor air conditioning system's energy resource consumption, and the incident direct light can cause the injury to office staff's skin moreover.
The modern industry is developed, which causes severe pollution, poor air quality and frequent occurrence of haze weather, greatly influences the mood of people, and reduces the working efficiency and happiness index. Therefore, modern office/home environments urgently need a smart window or curtain capable of simulating blue sky and white cloud, and a visual angle display picture of the blue sky and the white cloud can be realized in haze and rainy days.
Moreover, the metal level of most present glass sputtering has half-transparent half-reflection's effect to light, though can realize the peep-proof effect of office environment for the external world on daytime, because indoor light is stronger at night, consequently loses the peep-proof effect, the risk of working a business and divulging a secret is probably appeared.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a flexible peep-proof display device, which can avoid direct sunlight irradiation and reduce indoor temperature on the premise of ensuring lighting; the device provided by the utility model can realize the display effect of blue sky and white cloud vision enjoyment in haze/cloudy and rainy weather by using external light atomization as a backlight source; the utility model discloses utilize the liquid crystal functional layer can realize the peep-proof effect of liquid crystal official working house.
In order to realize the purpose of the utility model, the utility model provides a following technical scheme:
the utility model provides a flexible peep-proof display device, including liquid crystal functional layer, isolation layer and the electrochromic functional layer that the stromatolite set up in proper order.
Preferably, the liquid crystal functional layer comprises a first anti-newton ring layer 101, a first conductive layer 102 and a liquid crystal molecular layer 103 which are sequentially stacked; the layer 103 of liquid crystal molecules is in contact with the barrier layer.
Preferably, the liquid crystal molecules in the liquid crystal molecule layer 103 include one or more of smectic phase liquid crystal, nematic phase liquid crystal and cholesteric phase liquid crystal.
Preferably, the isolation layer comprises a second conductive layer 201, a PET layer 202 and a third conductive layer 203 which are sequentially stacked; the second conductive layer 201 is in contact with the liquid crystal functional layer; the third conductive layer 203 is in contact with the electrochromic functional layer.
Preferably, the second conductive layer 201 and the third conductive layer 203 are ITO layers.
Preferably, the electrochromic functional layer comprises an electrochromic material layer 301, a fourth conducting layer 302 and a second anti-newton ring layer 303 which are sequentially stacked; the electrochromic material layer is in contact with the isolation layer.
Preferably, the electrochromic material in the electrochromic material layer 301 is an organic electrochromic material and/or an inorganic electrochromic material.
The utility model provides a flexible peep-proof display device, including liquid crystal functional layer, isolation layer and the electrochromic functional layer that the stromatolite set up in proper order. The utility model discloses utilize the liquid crystal functional layer to combine electrochromic functional layer to realize the full transparent display device that does not have visual barrier under the normality, and simulate blue sky cloudiness after adding the zone drive, provide the visual display picture that highly enjoys under bad weather; simultaneously the utility model provides a device has the effect that realizes adjusting luminance daytime, reduces sunshine and penetrates directly, filters harmful light and energy-conserving subtracts the consumption, realizes the space effect of the modern house of ideal/official working of night official working peep-proof simultaneously. Additionally, the utility model provides a display device has the flexibility and can curl, simple structure, removes the advantage that convenience and range of application are wide. The utility model provides a flexible peep-proof display device places in the inboard or the outside of window when using.
Drawings
FIG. 1 is a schematic view of positive liquid crystal molecules and negative liquid crystal molecules rotating in an electric field;
fig. 2 is a schematic structural diagram of a flexible peep-proof display device provided in an embodiment of the present invention;
fig. 3 is a schematic view of an operating principle of the flexible peep-proof display device provided in the embodiment of the present invention;
wherein 101 is a first anti-newton ring layer, 102 is a first conductive layer, 103 is a liquid crystal molecular layer, 201 is a second conductive layer, 202 is a PET layer, 203 is a third conductive layer, 301 is an electrochromic material layer, 302 is a fourth conductive layer, and 303 is a second anti-newton ring layer.
Detailed Description
The utility model provides a flexible peep-proof display device, including liquid crystal functional layer, isolation layer and the electrochromic functional layer that the stromatolite set up in proper order.
The utility model provides a flexible peep-proof display device includes the liquid crystal functional layer, arranges through the orientation of liquid crystal molecule in the liquid crystal functional layer, and the angle of adjustment incident ray avoids sunshine to penetrate directly. In a specific embodiment of the present invention, the liquid crystal functional layer includes a first anti-newton ring layer 101, a first conductive layer 102, and a liquid crystal molecular layer 103, which are sequentially stacked; the layer 103 of liquid crystal molecules is in contact with the barrier layer. In an embodiment of the present invention, the material of the first anti-newton ring layer 101 is preferably PET, and the first anti-newton ring layer is flexible and crimpable. In an embodiment of the present invention, the first conductive layer 102 is an ITO layer. In the embodiment of the present invention, the liquid crystal molecules in the liquid crystal molecule layer 103 are rod-shaped, and have electrical anisotropy; the liquid crystal molecules comprise one or more of smectic phase liquid crystal, nematic phase liquid crystal and cholesteric phase liquid crystal, and preferably nematic phase liquid crystal.
In an embodiment of the present invention, the arrangement of the liquid crystal molecules of the liquid crystal molecule layer 103 on the surface of the first conductive layer 102 includes: vertically arranged or randomly distributed. In an embodiment of the present invention, the liquid crystal molecular alignment is performed by a rubbing (rubbing) process.
In the present invention, when the liquid crystal molecules are vertically arranged on the surface of the first conductive layer 102, the maximum transmittance, i.e., the transparent state, of the liquid crystal molecules in the normal state is realized. The dielectric constants of the liquid crystal molecules are different in size along the major axis and minor axis directions, and the dielectric constant component in the major axis direction of the liquid crystal molecules is generally defined as xi//The component of dielectric constant perpendicular to the long axis of the liquid crystal molecules is xi⊥The difference between them is delta xi ═ xi//-ξ⊥When Δ ξ > 0, as shown in fig. 1, the liquid crystal is electrically referred to as positive liquid crystal; similarly, when Δ ξ is less than 0, the liquid crystal is a negative liquid crystal.
The utility model discloses an in the embodiment, add under the power-on state liquid crystal molecule takes place certain degree of deflection under the effect of electric field, simultaneously because the positive liquid phase and the negative phase liquid crystal of cross mixing are opposite in direction of deflection under the effect of same electric field, consequently realize the scattered distribution under the electric field effect, shine scattered liquid crystal molecule surface's optics takes place the scattering, reduction sunshine that can to a great extent penetrates directly.
In the embodiment of the present invention, the liquid crystal molecules are distributed between the first conductive layer 102 and the second conductive layer 201, and when the power is applied, the liquid crystal molecules are scattered along with the electric field, so that the sunlight irradiation in sunny sun is changed from direct irradiation to scattering, the indoor illumination intensity is greatly reduced, the indoor temperature is prevented from increasing sharply, and the energy consumption of the air conditioner is reduced; meanwhile, the deflection degree of liquid crystal molecules (the haze of the film) is controlled in real time according to the outdoor illumination condition, the light intensity is adjusted when certain visual observation degree of an indoor observer is ensured, meanwhile, the partition control is carried out on the first conducting layer 102 and the second conducting layer 201, the illumination transmittance can be adjusted according to needs, for example, fog-state treatment can not be carried out in an observation space above the vision of human eyes, and normal lighting can be realized; the atomization treatment can be properly carried out within the visual range, so that the damage of direct light to human eyes and the damage of harmful light to skin are reduced; when the working mode at night is entered, the liquid crystal molecules (equivalent to atomized glass) which are scattered after being electrified have good peep-proof effect on working/home environments with strong indoor illumination, and the switchable mode can adapt to different occasion demands of people under the same environment.
The utility model provides a flexible peep-proof display device including set up in the isolation layer on liquid crystal function layer surface for separate liquid crystal molecule and electrochromic material. In a specific embodiment of the present invention, the isolation layer includes a second conductive layer 201, a PET layer 202, and a third conductive layer 203, which are sequentially stacked; the second conductive layer 201 is in contact with the liquid crystal functional layer; the third conductive layer 203 is in contact with the electrochromic functional layer. In an embodiment of the present invention, the second conductive layer 201 and the third conductive layer 203 are ITO layers. The utility model provides an isolation layer by PET layer 202 with the conducting layer of PET layer 202 both sides is constituteed, has flexible curlable advantage.
The utility model provides a flexible peep-proof display device including set up in the electrochromic functional layer on barrier layer surface has electrochromic effect. In a specific embodiment of the present invention, the electrochromic functional layer includes an electrochromic material layer 301, a fourth conductive layer 302, and a second anti-newton ring layer 303, which are sequentially stacked; the electrochromic material layer is in contact with the isolation layer. In an embodiment of the present invention, the material of the second anti-newton ring layer 303 is preferably PET, and the second anti-newton ring layer is flexible and crimpable. In an embodiment of the present invention, the fourth conductive layer 302 is an ITO layer. In the embodiment of the present invention, the electrochromic material in the electrochromic material layer 301 is an organic electrochromic material and/or an inorganic electrochromic material, and the electrochromic material has good ionic and electronic conductivity, cycle period, color change efficiency, higher contrast, and writing/erasing efficiency.
In the present invention, the organic electrochromic material preferably includes viologen, polyaniline or polythiophene, and the change in light absorption of the organic electrochromic material comes from the redox reaction, and the color difference is rich, and the molecular design is easy to be performed.
In the present invention, the inorganic electrochromic material is preferably a transition metal oxide, more preferably WO3、MoO3、Nb2O3、Ti2O3Or NiO; the inorganic electrochromic material has the advantages that the light absorption change is caused by double injection and double extraction of ions and electrons, and the performance is excellent and stable. In the utility model, the 3d and 4f electronic layers of the transition metal are unstable, the formed oxides can show different valence states, different valence states can be realized by controlling different voltages through the outside, and the color is changed along with the change of the ionic valence state; transition metal element ions are easy to color, energy difference between a ground state and an excited state is small, an electron layer structure of metal in oxide is unstable, and valence states are reversibly transformed under a certain condition to form an ion coexistence state with mixed valence states. In the specific embodiment of the utility model, a tableThe color change characteristics of the inorganic electrochromic material are shown in table 1.
TABLE 1 discoloration characteristics of several inorganic electrochromic materials
As an embodiment of the present invention, the schematic structural diagram of the flexible peep-proof display device provided by the present invention is shown in fig. 2, and includes a first anti-newton ring layer 101, a first conductive layer 102, a liquid crystal molecular layer 103, a second conductive layer 201, a PET layer 202, a third conductive layer 203, an electrochromic material layer 301, a fourth conductive layer 302, and a second anti-newton ring layer 303, which are sequentially disposed; the first anti-Newton ring layer 101 and the second anti-Newton ring layer 303 are made of PET; the first conductive layer 102, the second conductive layer 201, the third conductive layer 203 and the fourth conductive layer 302 are ITO layers.
As an embodiment of the present invention, the schematic view of the working principle of the flexible peep-proof display device provided by the present invention is shown in fig. 3, the deflection of the liquid crystal molecules controlled by the driving power supply can be used as the backlight source (sunlight as the light source) of the electrochromic functional layer, and the simulated picture of blue sky and white cloud is opened according to the requirement of people; specifically, the method comprises the following steps: the transparent inorganic or organic electrochromic material can gain and lose electrons under the action of an electric field to generate electronic transition (oxidation-reduction reaction) and change the electrons into light blue or dark blue, the non-driving part shows white due to natural sunlight scattering, and finally the picture effect close to real blue-sky white cloud is formed, so that indoor workers/household personnel can enjoy the beautiful visual effect of the blue-sky white cloud; when the working mode at night is started, the scattered liquid crystal molecules (equivalent to atomized glass) have a good peep-proof effect on working/home environments with strong indoor illumination, and the mode can be switched to meet different requirements of people on different occasions under the same environment. As an embodiment of the present invention, after the power is turned on in the daytime, the molecules in the liquid crystal functional layer are vertically arranged, and the electrochromic realizes the blue sky and white cloud effect; after the power is switched on at night, molecules in the liquid crystal functional layer are distributed in a disordered manner, and the peep-proof effect is achieved.
The utility model provides a flexible peep-proof display device can be under the condition that does not change current building structure, as intelligent (window) curtain or glass attachment, be applied to on the glass outer wall.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. A flexible peep-proof display device is characterized by comprising a liquid crystal functional layer, an isolation layer and an electrochromic functional layer which are sequentially laminated;
the liquid crystal functional layer comprises a first Newton's ring prevention layer (101), a first conductive layer (102) and a liquid crystal molecular layer (103) which are sequentially stacked; the layer (103) of liquid crystal molecules is in contact with the barrier layer;
the electrochromic functional layer comprises an electrochromic material layer (301), a fourth conducting layer (302) and a second Newton's ring prevention layer (303) which are sequentially stacked; the electrochromic material layer is in contact with the isolation layer.
2. The flexible privacy display of claim 1, wherein the liquid crystal molecules in the layer of liquid crystal molecules (103) comprise one of smectic, nematic and cholesteric liquid crystals.
3. The flexible privacy display of claim 1, wherein the isolation layer comprises a second conductive layer (201), a PET layer (202), and a third conductive layer (203) in a stacked arrangement in that order; the second conducting layer (201) is in contact with the liquid crystal functional layer; the third conductive layer (203) is in contact with the electrochromic functional layer.
4. The flexible privacy display of claim 3, wherein the second (201) and third (203) conductive layers are ITO layers.
5. The flexible privacy display of claim 1, wherein the electrochromic material in the electrochromic material layer (301) is an organic electrochromic material and/or an inorganic electrochromic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020676449.0U CN212207911U (en) | 2020-04-28 | 2020-04-28 | Flexible peep-proof display device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020676449.0U CN212207911U (en) | 2020-04-28 | 2020-04-28 | Flexible peep-proof display device |
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| CN212207911U true CN212207911U (en) | 2020-12-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114995002A (en) * | 2021-03-01 | 2022-09-02 | 佛山市国星光电股份有限公司 | Peep-proof display panel, preparation method and display device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114995002A (en) * | 2021-03-01 | 2022-09-02 | 佛山市国星光电股份有限公司 | Peep-proof display panel, preparation method and display device |
| CN114995002B (en) * | 2021-03-01 | 2023-11-14 | 佛山市国星光电股份有限公司 | Peep-proof display panel, preparation method and display device |
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Effective date of registration: 20220530 Address after: 452370 building 23, International Building Materials City, Xinmi City, Zhengzhou City, Henan Province Patentee after: Jiasheng applied materials (Henan) Co.,Ltd. Address before: Room 106, building 2, No. 41, Guangyuan Road, Wuqing Development Zone, Wuqing District, Tianjin Patentee before: Tianjin Jiashi Jinghua Photoelectric Technology Co.,Ltd. Patentee before: TIANJIN CAVISION PHOTOELECTRIC TECHNOLOGY Co.,Ltd. Patentee before: Tianjin Jialian Hongyu Technology Co.,Ltd. |
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