835 results about "Electrochromism" patented technology

The invention relates to an electrochromic window multi-scene control method, system and device based on indoor human body thermal comfort and a medium. The method comprises the steps that a perception data set is constructed; based on the sensing data set, performing multi-parameter coupling calculation of solar incidence azimuth deviation constraint and dynamic projection overlapping to obtain a direct radiation component, performing window space coupling analysis and double space compensation calculation to obtain a scattered radiation component, and performing fusion to obtain an individual thermal radiation influence value; determining a scene category based on the perception data set, and establishing a thermal radiation evaluation benchmark by adopting a mode matched with the scene category; and if the thermal radiation evaluation benchmark exceeds a preset threshold value, the required transmissivity of the window faces is obtained through a full-transmissivity radiation distribution method, the corresponding window faces are adjusted to the target transmission gradient according to the required transmissivity, and coupling control over the wind direction and / or power of the air conditioning system is selectively triggered. According to the invention, by constructing a multi-dimensional dynamic sensing system and an intelligent control framework, collaborative optimization of human body thermal comfort and building energy efficiency is realized.

The invention relates to the field of application of electrochromic glass, in particular to an environment response type self-powered electrochromic glass intelligent collaborative transparent enclosure structure which comprises an enclosure structure body, and the enclosure structure body is of a sandwich type structure with a hollow interlayer. A self-powered module, an electrochromic glass unit, an environment sensing module and an intelligent regulation and control module are arranged on the enclosure structure main body; in addition, the invention further discloses a dynamic regulation and control method which comprises the steps of collecting data in real time, calculating an energy state and a dynamic regulation and control strategy and the like. The high-efficiency laminated photovoltaic glass and the energy storage unit are integrated, a dynamic regulation and control algorithm is combined, environment response type self power supply is achieved, the light transmittance is adjusted in real time to meet the illumination requirement, the operation cost and the energy consumption are remarkably reduced, modular design is combined with the flexible circuit interconnection technology, and the flexible circuit interconnection technology is optimized. The whole system gets rid of the limitation of complex wiring when being applied to building external windows, curtain walls or daylighting roofs, the installation process is greatly simplified, and the convenience of later maintenance is improved.

Embodiments described include adhesive bus bars for electrochromic or other optical state changing devices. The bus bars are configured to color match and / or provide minimal optical contrast with their surrounding environment in the optical device, provide better adhesion than ink based bus bars, as well as obviate the need to mitigate defects in underlaying layers.

The invention discloses a heat-preservation and heat-insulation composite window and a ventilation method. The heat-preservation and heat-insulation composite window comprises a window frame; the window frame is provided with a window frame top cavity and a window frame bottom cavity. A glass assembly; the glass assembly comprises electrochromic glass, first glass and second glass which are sequentially assembled in the notch of the window frame at intervals in the first direction; a first cavity is formed between the electrochromic glass and the first glass, and a second cavity is formed between the first glass and the second glass; a top opening and a bottom opening are formed between the electrochromic glass and the first glass; the window frame top cavity is provided with a first opening, and the window frame bottom cavity is provided with a second opening. The first opening, the top opening, the second opening and the bottom opening are communicated in sequence; a fan; the fan is arranged in the bottom cavity of the window frame. According to the scheme, the draught fan is arranged, heat absorbed in the first cavity is discharged out of a room so as to take away heat of the electrochromic glass, meanwhile, the second cavity is arranged to be a sealed cavity, the effects of heat preservation and heat conduction restraining are achieved, and the heat insulation effect is enhanced.

The invention discloses a pupil adaptive red light regulation and control method and system based on EC film and light source collaboration, and the method comprises the steps: obtaining a visible light image of the eyes of a user through an image collection module, and extracting a real-time pupil state parameter through an image processing module; meanwhile, the ambient light sensing module obtains ambient light intensity data. The cooperative control unit receives the parameters and generates a luminous flux control instruction set containing a first control instruction and a second control instruction based on a safety evaluation model. The first control instruction drives the electrochromic film assembly to change the light transmittance of the red light, and the second control instruction adjusts the luminous intensity of the red light source. Through cooperative control of optical attenuation of the electrochromic film and luminous intensity of the light source, the luminous flux entering the retina can be accurately regulated and controlled in real time according to dynamic changes of pupils, the problem of potential retina light damage risk caused by using a light source with fixed intensity is effectively solved, and the safety of red light irradiation application is remarkably improved.

The invention provides a high-performance electrochromic compound capable of realizing switching between a blue system and a transparent state by adjusting the proportion of a polymer receptor and a preparation method of the high-performance electrochromic compound. The electrochromic film prepared on the basis of the compound shows a blue system in a neutral state, and the color is switched to a transparent state along with the increase of external voltage. The optical contrast of the electrochromic compound in the wavelength range of 642 nm is 52.65%, the coloring time is 0.65 s, and the fading time is 0.32 s. The optical contrast ratio of the electrochromic film can keep 95.29% of the initial contrast ratio after 1000 cycles under the step voltage of 0V and 1.0 V. The electrochromic film is a solution-processable electrochromic material which has excellent performance and can be switched between blue and transparent colors.

The invention discloses a driving sunscreen cooling control method based on sun illumination tracking, and the main design concept of the method is that the recognition precision of the relation between dynamic light and a dynamic vehicle is improved through sun vector space modeling. Specifically, accurate measurement and calculation of the sun angle is matched with dynamic response of a vehicle system to realize a sunlight tracking type sunscreen mode, and the method mainly comprises the following steps: acquiring data such as longitude and latitude, date time, advancing direction and the like of a current vehicle, calculating an irradiation angle of sunlight irradiated to the vehicle, and combining a real-time measurement value of a light sensor to obtain a sunlight tracking type sunscreen mode. And deciding whether the vehicle enters the sunscreen mode at the current moment. On the basis of real-time tracking of the sun position and by means of intelligent cooperative control of devices such as an electric sun shield curtain, electrochromic glass and air conditioner directional blowing, dynamic and accurate automatic non-inductive sun protection and cooling are achieved, and comfortable driving and riding experience is brought to drivers and passengers.

A system includes a first camera located within a cockpit of an aircraft to track the eye movement of at least one pilot, and a second camera to track an ambient light source. The system includes an electrochromic panel having an array of dimmable cells. The system further includes a controller, equipped with one or more processors responsible for modifying the array of dimmable cells. The controller receives eye tracking data from the first camera associated with a gaze target of the pilot, and light tracking data from the second camera, which includes parameters associated with the ambient light source. Based on the eye tracking and light tracking data, the controller determines a glare location on a surface of the electrochromic panel where the gaze target intersects. The controller may then selectively modify a tint level of specific dimmable cells in the panel to address the determined glare location.

The invention relates to the technical field of electrochromism, in particular to an electrochromism device which comprises a perovskite battery and an electrochromism device which are arranged in a stacked mode. The perovskite cell comprises a bottom electrode layer, an electron transport layer, a perovskite layer, a hole transport layer and a top electrode layer which are stacked in sequence. The electrochromic device comprises a top electrode layer, an electrochromic layer, an electrolyte layer and a counter electrode layer which are sequentially arranged in a stacked mode. The top electrode layer is a common transparent electrode of the perovskite cell and the electrochromic device, and the bottom electrode layer and the counter electrode layer are electrically connected through an on-off element; the open-circuit voltage of the perovskite cell is greater than the color-changing voltage of the electrochromic device. According to the electrochromic device, integration of the perovskite battery and the electrochromic device is achieved, color changing can be achieved under the condition that the electrochromic device is not connected with an external power source, self-power-supply and self-driving are achieved, and portable scene application is facilitated.

The present disclosure relates to chiral materials and films comprising metal- coordinated organic complexes. Specifically, the invention provides compositions, derivative structures, and methods for the preparation of such materials in solution, as coatings, and in other forms. These films exhibit chiral properties allowing for tunable chiral-electrochromic capabilities for optoelectronic devices, and display technologies.

The invention discloses automobile door glass with intelligent recognition, dimming and heat insulation functions, and belongs to the technical field of automobile door glass. The glass sequentially comprises a first glass substrate, a thermoplastic membrane and a second glass substrate from outside to inside, the outer side of the first glass substrate is a first glass surface, and the inner side is a second glass surface; the outer side of the second glass substrate is a third glass surface, and the inner side is a fourth glass surface; a plurality of functional film layers are arranged between the second glass surface and the third glass surface, and each functional film layer comprises a combined structure of one or more of a heat insulation heating functional layer, an electrochromic layer, a photoelectric conversion layer, a composite piezoelectric layer and a protective layer. The film layers cooperate together, multiple functions such as intelligent dimming, integrated intelligent interaction, fingerprint recognition and heat insulation can be achieved, the functional film layers have good compatibility and stability, the function maximization can be achieved, and the riding experience is remarkably improved.

According to the display control method and device for the front windshield of the vehicle and the vehicle, the safety assistance function and the entertainment function are integrated, intelligent switching is conducted according to the working mode of the vehicle, and therefore the maximum efficiency of a display interface, namely the maximum vehicle interior, of the front windshield is achieved. The display control method for the front windshield of the vehicle comprises the steps that the current working mode of the vehicle is recognized based on state information and environment perception information of the vehicle; when the current working mode of the vehicle is an auxiliary driving mode, the electrochromic layer is controlled to be adjusted to be in a coloring state suitable for enhanced display, and a projection device is controlled to project an augmented reality road condition image generated based on multi-sensor data fusion to the projection imaging layer; and when the current working mode of the vehicle is an entertainment mode, the electrochromic layer is controlled to be adjusted to be in a dark color state, and the projection device is controlled to project entertainment media content to the projection imaging layer.

The application relates to the field of building energy saving, and particularly discloses a photovoltaic-electrochromic integrated toughened vacuum insulating glass intelligent outer facade component which comprises, from outside to inside, a first toughened glass substrate, a first PVB film, a cadmium telluride battery piece, a second PVB film, a second toughened glass substrate, a hollow layer, an EC electrochromic layer, a third toughened glass substrate, a vacuum cavity, a support column, an inner layer toughened glass substrate and a wiring module. The cadmium telluride battery piece is used for providing driving electric energy for the EC electrochromic layer, the vacuum cavity and the hollow layer form a double heat insulation structure, and the wiring module is used for realizing electric energy transmission and control signal access. The application realizes integrated integration of photovoltaic power generation, electrochromic light control and vacuum insulation functions, has the characteristics of good energy saving effect, high structural strength, excellent sealing performance and high intelligent degree, and is suitable for the field of building outer facades.

Titanium dioxide (TiO2) forms the basis of devices for applications including sensing devices, solar cells, photo-electrochromics, and photocatalysis. Such devices exploit different phases of TiO2 within such devices and accordingly it would be beneficial to have an amorphous TiO2 precursor which allows crystalline phase spatial patterning, for the crystallization of the amorphous TiO2 precursor to be triggered at low energies, and with the crystalline phase controllable at room-temperature without necessitating complex handling whilst providing TiO2 phases that are stable over a prolonged period of time. Accordingly, there are provided processes for providing a TiO2 precursor and controlling the conversion of the TiO2 precursor from amorphous-to-anatase, amorphous-to-rutile, amorphous-to-mixture of anatase / rutile or from amorphous-to-anatase-to-rutile in a simple and efficient manner.

To provide a gear shift control method or the like of an electrochromic device for improving user's experience by quickly responding to the need of gear shift and reducing user's waiting time for the shift.SOLUTION: A gear shifting control method includes acquiring a gear characterization parameter state of an electrochromic device in a process of switching from an initial gear before gear shifting to an initial target gear, and obtaining a new target gear when a new gear shifting signal is received, and interrupting a current charging or discharging operation, determining a charging or discharging direction and a corresponding gear characterization parameter adjustment value after the interrupting operation according to the gear characterization parameter state and the initial gear or a new target gear at the interrupting operation, and adjusting the electrochromic device to be switched to the new target gear according to the charging or discharging direction and the gear characterization parameter adjustment value.SELECTED DRAWING: Figure 1

The invention provides a waveguide structure, a binocular display module and a method for switching monocular and binocular display, and relates to the technical field of AR, the waveguide structure comprises a waveguide substrate, at least one side of the waveguide substrate is provided with a thin film structure layer, the thin film structure layer comprises a first refractive index layer arranged on the waveguide substrate and a second refractive index layer arranged on the first refractive index layer, the electrochromism layer is arranged on the second refractive index layer and used for being connected with an electric control driving module, and the electric control driving module provides driving voltage for the electrochromism layer. The driving voltage state of the electrochromic layer is adjusted, so that the refractive index complex part (n + i * k) of the electrochromic layer is changed, the reflectivity and absorptivity of the waveguide substrate interface are changed, the waveguide substrate interface can be electrically switched between a transparent state and an absorption state, the pure electric control monocular and binocular switching function is achieved, independent and continuous adjustment of brightness of left and right eyes is achieved, and binocular brightness uniformity is improved. The purposes of integration, low power consumption and quick response are achieved.

The application discloses a black antireflection film and a subway shielding door plate structure, and belongs to the technical field of antireflection films. The antireflection film comprises a transparent conductive layer, a black electrochromic layer, an ion storage layer, an electrolyte layer, a protective layer and a transparent cooling layer which are sequentially arranged. The transparent cooling layer is fixedly installed on the surface of the protective layer. The transparent cooling layer comprises a plurality of cooling pipelines which are arranged in a horizontal and vertical mode. The cooling pipelines are filled with cooling liquid. The transparent cooling pipeline is arranged on the surface of the antireflection film. When the antireflection film generates heat, the antireflection film can be cooled in time, so that the heat dissipation effect of the subway shielding door plate structure during use is improved, and the service life of the device is prolonged. In the subway shielding door plate structure, the displacement control device can control the black antireflection film to slide and form a heat dissipation space between the black antireflection film and the back plate body, so that the problem of poor heat dissipation effect caused by the fact that the antireflection film is tightly attached to the subway shielding door plate structure is avoided.

The invention relates to the technical field of intelligent sitting posture correction, in particular to an intelligent humpback-preventing table mat based on multi-mode sensing. A main control unit, a forearm area pressure sensing module, a front edge center infrared distance measuring module, an electrochromic layer, a voice prompt device, a vibration motor and a rechargeable lithium battery are integrated in the body; according to the intelligent humpback-preventing table mat based on multi-mode sensing, standard sitting posture parameters of a user are recorded in a learning mode, bad sitting postures are judged by integrating hand pressure signals with three conditions including the vertical height, the horizontal distance and the body proportion in a monitoring mode, and progressive reminding from vision / touch to voice is triggered. Bad sitting postures such as collapsed sitting, head and neck protraction and overall forward leaning can be comprehensively recognized, missed judgment is avoided, the reminding mode is private and adapts to multiple scenes, different users can be adapted, early warning can be performed to help the formation of sitting posture habits, the integration degree is high, storage is easy, and the applicability and the user experience are greatly improved.

Multicolor electronic device with one electrochromic cell The present invention provides an electrochromic device that can be set in states S0, S1 and S2, wherein different sets of electrochromic moieties are activated, and wherein state S2 is a state where the cell has a reversed polarity compared to state S1, all within one electrochromic cell. A single cell is thus able to achieve at least three different colors.

The pair of myopia-preventing electrochromic glasses comprises a glasses frame, a gyroscope, a distance measuring sensor, a control panel, a battery assembly, two glasses legs and two electrochromic lenses, the glasses legs are connected to the glasses frame, the control panel is installed in the glasses legs, the battery assembly is installed in the glasses legs and connected with the control panel, the gyroscope is directly or indirectly connected to the glasses frame, and the gyroscope is used for detecting inclination angle information of the glasses frame and sending the inclination angle information to the control panel. The distance measuring sensor is directly or indirectly connected to the mirror frame, the distance measuring sensor is used for measuring distance information between the mirror frame and a table top and sending the distance information to the control panel, the electrochromic lens is installed in the mirror frame, and the electrochromic lens is connected with the control panel through a flexible circuit board. According to the utility model, not only can the eye distance be corrected, but also the bad reading posture of crooking the neck and the brain can be corrected, and the myopia prevention effect can be improved.

The invention relates to an electrochromic lens manufacturing method and an electrochromic lens, and aims to solve the problem of complex manufacturing process of an electrochromic AR spectacle lens and improve the service life and durability of the electrochromic AR spectacle lens. The manufacturing method comprises the steps that dense penetrating cutting holes are formed in a base material in a cutting mode, then the base material is tempered, etching and thinning can be conducted before tempering, then a functional layer is plated on the surface of the whole base material through evaporation coating or sputter coating, and the functional layer comprises a first conductive layer, an electrochromic layer, an ion conduction layer, an ion storage layer, a second conductive layer and the like. And then splitting at the position of the cutting hole to form small mirror surface pieces, and finally performing electrode connection and assembling to form the lens. The functional layers can be formed into different types, so that flexible matching during assembly is facilitated. The invention also provides the electrochromic lens obtained by the method. The manufacturing process is simplified, the production efficiency is improved, and the cost is reduced; the lens strength and impact resistance are enhanced, and the weight is reduced; and the functional layer is flexible in design, so that the photochromic performance and the reliability of the lens are improved.

The invention discloses a large-area electrochromic device and a manufacturing method thereof, the large-area electrochromic device comprises a substrate, a bottom electrode, an electrochromic layer, an electrolyte layer and a top electrode which are stacked from bottom to top, the bottom electrode is a non-transparent conductive electrode, and the top electrode is a transparent conductive electrode. According to the large-area electrochromic device and the manufacturing method thereof, through the asymmetric electrode structure with the non-transparent conductive electrode as the bottom electrode and the transparent conductive electrode as the top electrode, the voltage drop of the large-area device is effectively improved, the conductivity of the large-area electrochromic device is improved, and then the response speed is increased; and large-area rapid and uniform response is realized.

The utility model discloses an electrochromic dimming diaphragm, laminated glass, hollow glass and a hollow glass assembly, and belongs to the technical field of dimming. The dimming diaphragm comprises a first conductive substrate layer, an electrochromic dimming layer, a second conductive substrate layer and at least two groups of extraction electrodes which are arranged in a stacked manner in sequence, wherein the extraction electrodes are separated from each other. Each group of extraction electrodes comprises a first extraction electrode and a second extraction electrode, one end of the first extraction electrode is electrically connected with the first conductive substrate layer, the other end of the first extraction electrode is used for being connected with a first external terminal of an external power supply, and one end of the second extraction electrode is electrically connected with the second conductive substrate layer; and the other end is connected with a second external terminal of the external power supply. According to the electrochromic dimming diaphragm provided by the invention, the stability of the electric connection between the electrochromic dimming diaphragm and the external power supply is effectively improved, and the probability of failure of the electric connection between the electrochromic dimming diaphragm and the external power supply is reduced.

The present application relates to the technical field of electrochromic, and more particularly to a high-hydroxyl polyvinyl acetal flame-retardant interlayer for electrochromic soundproof glass, and a preparation method thereof.The preparation process comprises the following steps: adding polyvinyl butyral with low acetalization degree into N,N-dimethylformamide, heating and stirring to dissolve, then adding plasticizer and electrolyte salt in sequence, heating and stirring to dissolve, pouring into a mold, vacuumizing to remove bubbles, and heating to remove solvent, thereby obtaining the flame-retardant interlayer.The present application solves the problems of liquid leakage, easy volatilization and safety hazards of the existing liquid reversible metal electrodeposition electrochromic device.

The application discloses an electrochromic material, a preparation method thereof and an electrochromic device, and belongs to the technical field of electrochromic materials and devices. In the application, an organic ammonium halide salt and lead halide are directly dissolved in an ionic gel precursor solution, a perovskite active species is formed in situ, and the electrochromic material is obtained by dispersing the perovskite active species in the network structure of the ionic gel. The electrochromic material is assembled into the electrochromic device, reversible switching between a colorless transparent state and a black state can be realized when a voltage is applied, the optical contrast is more than 80%, and the electrochromic device has the advantages of full solid state, no leakage, easy packaging and long cycle life, and is suitable for intelligent windows, anti-glare rearview mirrors and information display fields.

This invention relates to a method for preparing and applying polyamides from a monomer containing 7-methyldibenzo[c,g]carbazole and triphenylamine: 4-({9-[(4-aminophenyl)(4-methoxyphenyl)amino]-7-methyldibenzo[c,g]carbazole-5-yl}(4-methoxyphenyl)amino)aniline. To address the problems of low solubility, difficulty in film formation, poor cycling stability, narrow color change range, and limited functionality in polyamide materials, this invention constructs two triphenylamine groups on 7-methyldibenzo[c,g]carbazole and introduces a methoxy group onto the triphenylamine to increase the polymer's solubility and stability. The polymer of this invention exhibits excellent electrochromic properties, including excellent cycling stability, fast switching time, and high optical contrast. Furthermore, to address the material's multifunctionality, a naphthalene unit is added to the molecular structure, resulting in a polymer with fluorescent emission. This invention can be applied to displays, rearview mirrors, camouflage applications, and the fluorescence detection of p-trinitrophenol.

The invention discloses a heat-insulating coating and a preparation method thereof, heat-insulating dimming glass and a preparation method thereof, and an electrochromic device, the heat-insulating coating comprises a high-molecular polymer, nano heat-insulating particles and a dispersant, the high-molecular polymer comprises a high-molecular chain with X-Si-O-Al as a unit, and X is a substituent group. According to the heat-insulating coating disclosed by the invention, the heat-insulating coating has excellent heat-insulating performance and is beneficial to meeting the requirement of heat-insulating dimming glass on heat insulation. The surface activity of the high-molecular polymer enables the high-molecular polymer to have a certain capability of dispersing nano conductive particles, so that the nano heat-insulating particles can be dispersed under the action of a small amount of dispersing agent, the thickness of the heat-insulating coating can be reduced, the quality of the heat-insulating coating can be controlled, and the applicability of the heat-insulating coating can be improved. Therefore, the use of the heat-insulating coating in the heat-insulating dimming glass is facilitated, the thickness of the heat-insulating coating is reduced, the manufacturing process of the heat-insulating coating is simplified, and the cost of the heat-insulating dimming glass is reduced.

The invention belongs to the technical field of energy conservation and environmental protection, and discloses a cadmium telluride power generation glass and photovoltaic energy storage integrated agricultural greenhouse system. The assembly design module is used for dividing cadmium telluride power generation glass into N subunits, and a pi-type thermocouple is integrated on a back plate of each subunit; the crop detection module is used for acquiring and analyzing crop states through subunits and generating crop labels according to the crop states; according to the dynamic shading module, each subunit is connected with a thermoelectric module, the thermoelectric modules are directly connected with an electrochromic glass shading plate, and the fog state light transmittance of the shading plate is dynamically adjusted according to crop labels; according to the intelligent energy storage module, each subunit integrates a cadmium telluride power generation layer, a thermoelectric conversion layer and a super capacitor, and an intelligent charging and discharging strategy is generated according to the illumination intensity. The energy utilization module is used for obtaining a composite adjustment strategy according to the crop label and the energy storage level corresponding to the intelligent charging and discharging strategy; through the integrated design, collaborative optimization of the power generation efficiency, the energy utilization rate and the crop stress damage rate is achieved.

An electrochromic device, system using, and method for, which may pre-activate a buffer is disclosed. The electrochromic device may comprise a first substrate, a second substrate, a first electrode, a second electrode, and an electrochromic medium. The second substrate may be disposed in apart relationship with the first substrate. The first and second electrodes may be associated with the first and second substrates, respectively. The electrochromic medium may be disposed between the first and second electrodes. Further, the electrochromic medium may comprise electrochromic materials and a redox buffer. Each of the electrochromic materials and the buffer may be operable between activated and deactivated states. The electrochromic device may be configured to apply a voltage to substantially pre-activate the buffer and hold the buffer in this state prior to substantially activating the electrochromic materials, thereby decreasing the response time of the electrochromic device upon activation.