1314 results about "Electrochromism" patented technology

The invention discloses an intelligent interactive electrochromic projection glass control method and system, and the method comprises the steps: determining an interaction intention of a user, and calling a corresponding target projection parameter; querying a target transmittance value corresponding to the updated target projection parameter according to a preset transmittance projection mapping table; the light transmittance of the electrochromic glass is controlled to reach the target light transmittance value, and actual display parameters of the projection picture are collected; when the deviation between the actual display parameter and the updated target projection parameter exceeds a preset range, generating an RGB compensation coefficient according to the current environment illumination intensity value and the target transmittance value; and sending the RGB compensation coefficient to the projection unit to adjust the RGB three-color light output intensity of the projection light source. According to the method and the device, the environment illumination, the user interaction requirement and the voice instruction are sensed in real time, the glass transmittance is adaptively adjusted, and the RGB light source output is dynamically compensated, so that the consistent display effect of the projection picture is improved, and the conference cooperation difficulty is reduced.

The invention relates to the technical field of electrochromism coating, in particular to an electrochromism device coating process and method, and the electrochromism device coating process comprises the following steps: step 1, substrate pretreatment: cleaning attachments on the surface of a flexible substrate through ultrasonic cleaning and plasma treatment; step 2, conducting layer deposition treatment: depositing an indium tin oxide (ITO) conducting layer on the substrate at the deposition temperature of 100-380 DEG C, the thickness of 200-350 nm and the vacuum degree of less than or equal to 10 <-5 > Pa; step 3, electrochromic layer deposition treatment: sequentially depositing a tungsten oxide (WO3) layer and a nickel oxide (NiO) layer through a magnetron sputtering process, and controlling the film thickness ratio of NiO to WO3 to enable the ratio of NiO / W to be 0.25-0.357; 4, annealing treatment is conducted, specifically, annealing is conducted for the first time at the temperature of 200-500 DEG C, and the annealing time is 200-300 seconds; and secondary annealing is conducted, specifically, annealing is conducted at the temperature of 400 DEG C, and the annealing time ranges from 200 seconds to 800 seconds. The effect of improving the yellow ground color of the electrochromic device is achieved.

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.

Various embodiments of systems and methods for remote monitoring and controlling of electrochromic glass are described. In some embodiments, a device monitoring and control system can receive messages via a communication hub from a plurality of remote installation sites for electrochromic glass units. The messages include telemetry data associated with the electrochromic glass units. The system can stream the telemetry data to a data analytics engine that can perform analytics functions on the telemetry data. The system provides results of the analytics functions to remote destinations via a data analytics interface. The system can also receive, via a control interface, control instructions from remote sources to control one or more of the electrochromic glass units. The system can transmit control messages to the installation sites to implement the control instructions. The system can also establish a connection for a requestor to an installation site using a site's specific connection protocol.

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 relates to a display panel and a display device. The display panel comprises a substrate layer and a plurality of pixel units distributed on the substrate layer in an array mode, a light conversion assembly and an electrochromic layer are arranged between every two adjacent pixel units, and the light conversion assemblies are used for converting light energy into electric energy; the display panel further comprises a packaging layer, the electrochromic layer is located on the side, close to the substrate layer, of the packaging layer, the light conversion assemblies are located on the side, close to the packaging layer, of the substrate layer, and one light conversion assembly and one electrochromic layer are oppositely arranged. A light-emitting layer is arranged between every two adjacent photoelectric conversion assemblies. When the electrochromic layer is in the peep-proof mode, light rays obliquely emitted from the light-emitting layer act on the electrochromic layer and are reflected back to the photoelectric conversion assembly, so that the display panel has a narrow visual angle relative to a user. When the electrochromism layer is in a conventional display mode, external incident ambient light is emitted to the photoelectric conversion assembly through the electrochromism layer.

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 relates to the technical field of electrochromic materials, in particular to a long-life electrochromic intelligent window and a preparation method thereof. Comprising a conductive substrate and an electrochromic device, the electrochromic device is arranged above the conductive substrate and comprises a transparent conductive film, an anode electrochromic film, a cathode electrochromic film and an electrolyte layer, and a plurality of layers of visible near-infrared anti-reflection infrared high-emission multilayer films are arranged above the electrochromic device. According to the structure, the optical regulation and control amplitude of the electrochromic device can be increased, visible infrared rays, near infrared rays and middle and far infrared rays are effectively blocked, the temperature of the colored electrochromic device is reduced, and the service life of the electrochromic intelligent window is prolonged.

The invention belongs to the technical field of optical glass. The invention relates to an electrochromic glass device, in particular to a preparation method of the electrochromic glass device. The preparation method comprises the following specific preparation steps: cleaning the surface of a glass substrate, and depositing an indium tin oxide transparent conductive layer on the surface of the glass substrate by adopting magnetron sputtering; the preparation method comprises the following steps: by taking nano spherical silicon dioxide as a template, dispersing the nano spherical silicon dioxide in an ethanol solution, then adding a sodium tungstate solution, then adjusting the pH value to 2-3, carrying out a stirring reaction, and then cleaning with a sodium hydroxide solution to remove the template so as to obtain a hollow spherical precursor dispersion liquid; coating the hollow spherical precursor dispersion liquid on the surface of the transparent conductive layer in a spin coating mode, drying and annealing; preparing a liquid electrolyte: taking propylene carbonate as a solvent, and taking lithium perchlorate as an electrolyte lithium salt; niO is deposited on the surface of the WO3 electrochromic layer to serve as a counter electrode through magnetron sputtering; epoxy resin is adopted to package the edge, after liquid electrolyte is injected, internal residual bubbles are removed through hot pressing, and the product is obtained.

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.

According to one embodiment, a tungsten oxide material containing potassium is provided. The tungsten oxide material has a shape of particles including a central section and a peripheral section adjacent to the central section, and having an average particle size of 100 nm or less. A periodicity of a crystal varies between the central section and the peripheral section. In addition, a tungsten oxide powder mass for an electrochromic device including 80% by mass to 100% by mass of the tungsten oxide material is provided. Moreover, a slurry for producing an electrochromic device containing the above tungsten oxide material is provided.

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.

According to one embodiment, provided is a tungsten oxide powder including primary particles having an average particle size of 100 nm or less. Each of the primary particles include a crystal phase and an amorphous phase coexisting in each primary particle.

The invention discloses a method for controllably synthesizing intermediate valence tungsten oxide (WO3-x, 0.1 < = x < = 1) through a carbon reduction method, and belongs to the technical field of non-ferrous metal material preparation. The preparation method comprises the following steps: (1) mixing high-valence tungsten oxide powder with carbon powder, and carrying out uniform ball milling; and (2) putting the mixed powder under inert gas protection or vacuum conditions, and carrying out reduction reaction at high temperature. Tungsten oxide with different intermediate valence states is obtained by controlling the carbon type, the use amount, the temperature and the time. The method is suitable for precise preparation and phase structure regulation of the functional tungsten oxide intermediate, and can be used as a precursor of a new energy battery material or electrochromic and photochromic high-performance materials and the like.

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 invention discloses a novel solar cell system and method suitable for an airship. The system comprises an electrochromic layer used for changing light transmittance, a solar cell array integrated on the airship and a voltage control module. Wherein the electrochromic layer is physically connected with the solar cell array, the electrochromic layer covers the surface of the solar cell array, and the voltage control module is electrically connected with the electrochromic layer. Therefore, by adopting the embodiment of the invention, the problems of overheat and overpressure of the capsule body can be reduced, meanwhile, the power generation efficiency of the solar cell is improved, damage to a skin material of the capsule body of the airship is avoided, and the service life of the airship is prolonged.

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.

This invention discloses a novel double-conductive layer electrode and electrochromic device, comprising: a transparent conductive layer disposed on the upper and lower sides of the electrochromic device; a charge storage layer, an electrolyte layer, and an electrochromic layer sandwiched between the two transparent conductive layers, arranged sequentially from top to bottom; and a novel double-conductive layer electrode disposed at the periphery of the electrochromic device and connected to the transparent conductive layer, comprising: an insulating layer; and a metal conductive layer. This invention solves the problem that the relatively large distance between the metal electrodes of the upper and lower transparent conductive layers (except at the corners of the electrochromic device) increases their resistance, thus affecting the current input and causing significant differences in electrochromic speed at different locations. This significantly improves the response speed of electrochromism and reduces its non-uniformity.

The invention belongs to the field of light modulators, and provides an electrochromic device based on reversible double electrodeposition and application of the electrochromic device. The electrochromic device sequentially comprises a first transparent substrate, a first conductive layer, an electrolyte layer, a second conductive layer and a second transparent substrate; the electrolyte layer comprises a solvent and an electrolyte additive, and the electrolyte additive comprises a manganese salt, a zinc salt and a redox medium. And the charge change in the manganese ion deposition / dissolution process is compensated through the reversible deposition / dissolution reaction of zinc ions in the electrolyte. In the coloring process, manganese ions are subjected to oxidation reaction on the surface of the first transparent conductive substrate to form manganese dioxide sediment; meanwhile, the zinc ions are subjected to reduction reaction on the surface of the second transparent conductive substrate to form metal zinc. And in the fading process, the sediment is dissolved, so that the device is recovered to the initial transparent state. In addition, dissolution of manganese dioxide and metal zinc can be accelerated by adding the oxidation-reduction medium, and the reaction kinetics of the device is improved.

A linear actuator and a method of operating is provided. The linear actuator includes a housing having at least one wall made from an electrochromatic material configured to transform from an opaque to a translucent material in response to a voltage. A plunger is slidably coupled to the housing to move between a first position and a second position. An actuator is disposed between the plunger and the housing, the actuator being made from a heat sensitive material, the actuator being configured to change a length of the actuator in response to a change in temperature.

The invention discloses a vehicle window dynamic regulation and control method and system based on electrochromic glass and a vehicle, and relates to the technical field of vehicle intelligent control. The method comprises the steps that a light conversion landmark site on a route is recognized, and a site entrance and exit are positioned; obtaining the real-time position of the vehicle, calculating the distance between the vehicle and the entrance and exit of the site, and judging whether to start a vehicle window dynamic regulation function or not according to the distance and the vehicle driving direction; when a function is started, a scene image in front of a vehicle is obtained in real time, a landmark site in front of the vehicle and illumination intensity inside and outside a site entrance and exit are recognized, meanwhile, the distance between the vehicle and the site entrance and exit and the vehicle speed are obtained in real time, the target light transmittance is calculated accordingly, and the optimal adjustment time range is determined by combining the light transmittance adjustment rate. And dynamically adjusting the light transmittance of the electrochromic glass of the car window within the time range, so that the light intensity in the car is gradually changed to be consistent with the light intensity in the area which is about to enter. The vehicle window can be regulated and controlled in time, and the detection cost is effectively reduced.

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.