4298 results about "Light transmission" patented technology

The invention provides a self-repairing EVA adhesive film and a preparation method thereof, and relates to the technical field of solar photovoltaic module packaging. According to the self-repairable EVA adhesive film disclosed by the invention, through Diels-Alder reactive group grafting and silane coupling agent microencapsulation technologies, a dual self-repairing mechanism of a photovoltaic module packaging adhesive film is realized, and the dual self-repairing mechanism comprises physical rearrangement repairing and chemical bonding repairing; while high light transmittance (more than or equal to 90%) and bonding strength (more than or equal to 96 N / cm) are maintained, the aging resistance (delta YI is less than or equal to 3) of the EVA adhesive film is remarkably improved, the service life of the EVA adhesive film is remarkably prolonged, and the problems that a traditional EVA adhesive film is easy to age in an extreme environment and is easy to suffer from micro damage caused by mechanical stress are solved; the preparation process disclosed by the invention is compatible with the existing production line, and has a relatively high industrial application value.

The invention belongs to the technical field of vehicle window glass control, and provides a vehicle window light transmittance self-adaptive adjusting method and system based on environmental parameters and application. Fusing the environment photo-thermal parameters, introducing a passenger position and a preset vehicle window mode, and calculating the target light transmittance of the whole vehicle window or each subarea of the vehicle window by adopting a dynamic light transmittance decision model; generating a vehicle window light transmittance adjustment control instruction based on the target light transmittance, wherein the vehicle window light transmittance adjustment control instruction comprises a vehicle window partition control instruction and a function protection control instruction; a composite dimming execution layer is called to execute the vehicle window light transmittance adjustment control instruction so as to complete partitioned gradient adjustment of the vehicle window light transmittance; and monitoring environment light and heat parameter changes in real time, repeating the above steps, and dynamically updating a vehicle window light transmittance adjustment control instruction to form closed-loop control of vehicle window light transmittance self-adaptive adjustment. According to the invention, the light transmittance of the vehicle window can be accurately adjusted in different areas, and the vehicle window has better comfort, safety and energy-saving effect.

The invention discloses a high-temperature-resistant, bending-resistant and high-flexibility polyimide film for flexible display and a preparation method of the high-temperature-resistant, bending-resistant and high-flexibility polyimide film. According to the polyimide film, by introducing the nano silicon dioxide particles and constructing the porous structure design, the problems that a traditional polyimide film is insufficient in stability in a high-temperature environment, cracks are likely to be generated after bending, and the flexibility is poor are effectively solved. The polyimide film disclosed by the invention is prepared by adopting a diamine monomer and a dianhydride monomer as main raw materials, adding nano silicon dioxide particles, and carrying out solution polymerization, gelation, pore regulation and control and thermal imidization processes. The obtained polyimide film has a micron-sized porous structure, keeps stable at a high temperature of 400 DEG C, does not generate cracks after being bent for 100,000 times, has tensile strength of more than or equal to 150MPa, elongation at break of more than or equal to 25% and light transmittance of more than or equal to 85%, and is suitable for a substrate material of a flexible display device.

The invention discloses a liquid crystal display filtering and light transmission performance monitoring system and a monitoring method thereof, and relates to the technical field of liquid crystal displays. An ambient light real-time monitoring module; a dual-optical-path differential measurement module; a signal processing and intelligent compensation module; a polarizer dynamic adjustment module; a data storage and analysis module; light intensity fluctuation data are collected in real time through an ambient light real-time monitoring module, reference light and transmission light are synchronously collected through a double-light-path differential measurement module, a signal processing and intelligent compensation module calls a self-adaptive algorithm library, compensation coefficients are calculated in combination with ambient light spectrum data, and a polaroid adjusting instruction is generated. And then an adjusting instruction is sent to the polaroid dynamic adjusting module through the CAN bus, the polaroid dynamic adjusting module feeds back an actual thickness value in real time after adjustment is completed, closed-loop control is formed, and through real-time compensation of ambient light and dual-light-path differential measurement, the influence of a station LED lamp and natural light is eliminated, and the monitoring precision of light filtering and light transmission performance is improved.

The invention relates to the technical field of flexible transparent electrodes, in particular to a Cu / Al laminated metal grid flexible transparent electrode and a preparation method thereof. The Cu / Al laminated metal grid flexible transparent electrode comprises a flexible substrate, a copper layer arranged on the flexible substrate and an aluminum layer arranged on the copper layer, and the aluminum layer located on the outer layer spontaneously forms an Al2O3 passivation layer with the thickness of 2-5 nm in air. The Al2O3 passivation layer can effectively prevent oxygen and moisture from permeating inwards, so that oxidation of the copper layer in a humid or high-temperature environment is fundamentally inhibited, long-term stability of the electrical property of the electrode is ensured, and meanwhile, due to the fact that the thickness of the copper layer is 150-250 nm, excellent conductivity is provided, and low square resistance is achieved; the latticed structure maintains high light transmittance of the electrode while ensuring a high conductive path. Finally, the structure has excellent oxidation resistance, high light transmittance, low sheet resistance and flexible stability under the support of a flexible transparent substrate with the thickness of 50-200 [mu] m, and meets the harsh requirements of a new generation of flexible optoelectronic devices on electrode performance.

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.

The invention belongs to the technical field of back contact cells, and particularly relates to a back contact cell with a specific front surface structure and a cell assembly thereof, and the specific front surface structure comprises a tunneling oxide layer and a specific doped amorphous silicon layer which are sequentially arranged on the front surface of a silicon substrate, a low-doped amorphous silicon layer, a high-doped amorphous silicon layer and an oxygen-doped amorphous silicon layer are sequentially arranged in the specific doped amorphous silicon layer along the direction far away from the tunneling oxide layer, and the specific doped amorphous silicon layer is doped with a P element and contains an H element; the P doping concentration C1 of the low-doping amorphous silicon layer and the P doping concentration C3 of the oxygen-doping amorphous silicon layer are respectively smaller than the P doping concentration C2 of the high-doping amorphous silicon layer, and the specific front structure enables the back contact cell to absorb incident light within 400 nm, and the highest absorptivity exceeds 85%. The back contact battery disclosed by the invention can still keep good performance after being exposed to ultraviolet rays for a long time, the UV reliability of the battery is improved, meanwhile, high light transmittance is realized, and relatively high battery efficiency is also realized.

The invention provides a long-acting dripping antifogging master batch as well as a preparation method and application thereof, and the long-acting dripping antifogging master batch comprises the following components in parts by weight: 40-90 parts of matrix resin, 10-40 parts of a dripping agent, 1-20 parts of metal salt and 1-20 parts of a high-molecular-weight slow release agent. According to the long-acting dripping antifogging master batch disclosed by the invention, the dripping agent, the metal salt and the high-molecular-weight slow-release agent are compounded, and the long-acting dripping antifogging master batch is used for preparing a thin film material, so that the dripping lasting period of the thin film material can be effectively prolonged, and meanwhile, the thin film has relatively high light transmittance.

The invention belongs to the technical field of folding screens, and discloses an optical conductive film for a folding screen and a preparation method thereof.The optical conductive film for the folding screen comprises a composite base material, an interface transition layer, a gradient refractive index optical adjustment layer, a hybrid conductive layer and a scratch-resistant wear-resistant layer which are sequentially stacked from bottom to top; the composite base material is a blending modification layer of polyimide and transparent polyamide, the hybrid conductive layer is formed by compounding silver nanowires, a graphene sheet layer and PEDOT: PSS according to a preset proportion, and the refractive index of the gradient refractive index optical adjustment layer is gradually reduced in the direction away from the composite base material. And the difference value between the refractive index of the gradient refractive index optical adjustment layer and the refractive index of the hybrid conductive layer is not greater than 0.05. The mechanical stability, the light transmission efficiency, the conductive stability, the scratch resistance and the wear resistance of the film are improved, the performance is stable after folding circulation, the use requirements of a folding screen are met, and application in different scenes can be met.

The invention relates to a PVB (polyvinyl butyral) composite film as well as a preparation method and application thereof. The PVB composite film is prepared from the following raw materials in parts by weight: 100 parts of PVB resin, 1-10 parts of nano praseodymium oxide, 1-10 parts of a dispersing agent, 0.01-1 part of a coupling agent and 20-50 parts of a plasticizer. The nano praseodymium oxide is added into the PVB resin, and the infrared absorption band of the PVB composite film is optimized by utilizing the infrared absorption performance, chemical stability and heat-resistant stability of the nano praseodymium oxide, so that infrared radiation can be efficiently blocked, and the excellent heat insulation effect and long-term use stability of the PVB composite film are realized. Furthermore, the nano praseodymium oxide is modified by a coupling agent, so that the dispersion uniformity of the nano praseodymium oxide in the PVB resin and the interface bonding force of the nano praseodymium oxide and the PVB resin are improved, the light transmittance loss of the PVB composite film is reduced, and the mechanical property and the heat insulation property of the composite film are improved.

The invention relates to the technical field of AI vision, in particular to a sesame seed candy forming defect real-time detection method and device based on AI vision. The method comprises the following steps: respectively collecting multimode images of qualified sesame seed candies, generating a qualified characteristic fingerprint set, and calculating sugar body light transmission uniformity and sesame adhesion density as a domain parameter set; constructing a probability distribution model, and setting an anomaly judgment threshold value and a domain parameter early warning threshold value; collecting a multi-mode image of the to-be-detected sesame seed candy in real time, extracting a to-be-detected feature fingerprint, and calculating the light-transmitting uniformity of a to-be-detected candy body and the sesame adhesion density; calculating a comprehensive abnormal score, and judging a defect; and capturing a low-confidence sample based on the comprehensive anomaly score, obtaining an artificial correction feedback sample, and updating a probability distribution model, an anomaly judgment threshold value and a domain parameter early warning threshold value by utilizing the feedback sample through online incremental learning. According to the invention, the detection cost of a high-yield production line can be reduced, and the model deployment period is shortened.

The invention provides a layered water injection well injection profile testing system, electronic equipment and a storage medium, and the system comprises a plurality of visible light communication modules which are respectively installed on eccentric water distributors of all water injection layers and on water injection pipe couplings between any two water injection layers; the plurality of sensing monitoring modules are mounted on the eccentric water distributor and are used for acquiring underground monitoring data of the layered water injection well; and the upper computer terminal is used for processing the underground monitoring data based on the group strategy optimization model to obtain an optimized water injection strategy, further generating a water injection control instruction, and transmitting the water injection control instruction to the eccentric water distributors of the water injection layers through a downlink channel. According to the scheme, the LED is used for transmitting data under the dark well, the problems existing in an existing transmission mode are solved, the original water injection well layout structure is not changed through installation of the hardware module, space is saved, and more stable and reliable light transmission can be achieved.

The invention relates to the technical field of lamp body cooling, in particular to a cooling structure for a lamp body, which comprises a front heat dissipation high light transmission assembly, a supply assembly and heat dissipation fins which are arranged on the lamp body in a covering manner, a containing cavity is formed in the front heat dissipation high-light-transmittance assembly and connected with the supply assembly through a pipeline, liquid or gas cooling media can flow through the containing cavity, and the front heat dissipation high-light-transmittance assembly is provided with a temperature sensor. And a cavity for mounting the lamp body is defined by the radiating fins and the side cover plates. The high-power portable lamp can effectively solve the problem of burn caused by skin contact or approaching due to too high temperature, can also avoid the problem that the service life of the lamp is shortened or damaged due to too high temperature rise, and realizes cooperative work of efficient active cooling and passive heat dissipation.

The invention relates to an automobile windshield shelter removing method and system and an automobile, and belongs to the technical field of automobile active safety. The method comprises the steps that the surface of the windshield is monitored through a vehicle-mounted camera; when a shielding object is identified, calculating a view shielding coefficient based on the area, the position, the light transmittance and the type of the shielding object, and determining an initial influence level according to the view shielding coefficient; corresponding cleaning strategies are executed according to the influence levels, windscreen wiper cleaning is started at the low level, pneumatic suction generated by vehicle intersection is used for cleaning at the middle level, and negative-pressure airflow cleaning is induced through dynamic opening of a skylight at the high level; if the shielding is not removed, the influence level is increased step by step, and circulation execution is carried out until the shielding is removed or automatic parking is triggered. According to the method, grading, closed-loop and non-contact intelligent removal of different types of sheltering objects is achieved, and invalid or even harmful operation of a traditional windscreen wiper in a dry sheltering scene is effectively avoided.

The invention relates to the field of optical display and material engineering, in particular to a silica gel integrated optical film with a 3D light splitting function and a manufacturing method of the silica gel integrated optical film. A silica gel integrated optical film with a 3D light splitting function comprises a transparent optical base material and a microstructure layer, and the microstructure layer is combined on the surface of the transparent optical base material in an integrated forming mode. And the microstructure layer is an anhydrous silica gel-resin composite material obtained by combining organic silica gel with low refractive index and resin with high refractive index through an anhydrous chemical reaction system. The optical film obtained in the invention has excellent interface bonding stability and long-term reliability, the overall thickness of the optical film is small, the optical loss is reduced, the light transmittance is higher, and the overall transmittance can reach 93% or above. And the manufacturing process integration degree and the mold repeated utilization rate are high, the industrial batch production requirement can be met, and the excellent industrial application prospect is achieved.

The invention discloses a graphene integrated electrode LED epitaxial structure and a chip preparation method. The epitaxial structure sequentially comprises a GaAs substrate, an n-type GaAs buffer layer, an n-type limiting layer, a non-doped quantum well structure, a p-type spacer layer, a p-type electron barrier layer and a p-type GaP ohmic contact layer from bottom to top. The preparation method comprises the steps of epitaxial structure growth, p-type ITO transparent conductive layer preparation, bonding and substrate removal, mesa structure preparation, passivation isolation, graphene interconnection layer preparation and n-type electrode preparation. Graphene is used for replacing a traditional n-type GaAs ohmic contact layer and an ITO electrode, the problems of poor red light absorption, poor heat dissipation and mechanical brittleness of a traditional structure are solved, the red light transmittance of the chip is improved, the junction temperature under 3 currents is greatly reduced, the chip can bear tensile strain larger than 20%, the chip is suitable for flexible scenes, and the chip is suitable for high-performance large-scale production of red light Micro LEDs.

The invention relates to a spectral confocal three-dimensional shape reduction method and system based on a super-surface spectral imaging chip. The method comprises the following steps: a continuous spectrum light source device emits a continuous spectrum light beam to a dispersion objective lens, the continuous spectrum light beam is subjected to spatial separation along an optical axis direction through the dispersion objective lens and then is irradiated to the surface of a to-be-measured three-dimensional topography object, and the continuous spectrum light beam is reflected on the surface of the object; a part of the reflected light beam penetrates through a light hole of the shading plate, then irradiates a focusing lens, is focused by the focusing lens and then enters a super-surface spectral imaging chip, and the super-surface spectral imaging chip collects wavelength information; wavelength information collected by the super-surface spectral imaging chip is converted into height information, and the three-dimensional shape of the surface of the object is fitted according to the height information and the pixel position corresponding to the height information. According to the invention, the reduction of the three-dimensional morphology can be realized through one-time photographing of the simple optical system, the morphology reduction efficiency is high, and the cost is low.

The invention relates to the technical field of optical films, and discloses a PET-based composite optical film and a preparation method thereof.The optical film is prepared from 100 parts of PET master batch, 5-10 parts of anti-blue-light nanofiller and 1-3 parts of interfacial compatibilizer through melt extrusion, asynchronous two-way stretching, online anti-fingerprint coating liquid coating and cooling and rolling; the blue-light-resistant nano filler is a core-shell structure filler prepared by taking KH570 silanized nano cerium oxide as a core, polymerizing by grafting glycidyl methacrylate to form a shell layer, and then reacting with 1H-benzotriazole-1-methanol. The anti-fingerprint coating liquid is prepared from perfluoropolyether modified siloxane acrylate and nano silicon dioxide sol. Through core-shell filler design and functional coating online coating, the technical problems that inorganic nanoparticles are easy to agglomerate and organic small molecule auxiliary agents are easy to migrate are synergistically solved, and the obtained optical film has excellent properties of high light transmittance, low haze, efficient blue light resistance and lasting fingerprint resistance and is good in durability.

The invention relates to the technical field of wireless communication technology, positioning navigation technology and intelligent equipment interaction, in particular to a UWB (Ultra-Wideband) antenna based on metal grid copper, which comprises a transparent flexible substrate with the light transmittance of more than 90%, a metal grid copper layer, a metal grid copper layer and a metal grid copper layer, a copper grid formed on the transparent flexible substrate and configured as a radiator of the UWB antenna; the ultra-wideband chip module is configured to execute receiving, transmitting and processing of ultra-wideband signals and high-precision positioning calculation; the interconnection structure is used for realizing electrical connection between the copper grid and the ultra-wideband chip module; the line width of the copper grid is smaller than 30 microns, and the light transmittance is larger than 80%, so that the UWB antenna has high transparency, and is nearly invisible visually when being attached to carriers such as glass and transparent packages, and the original attractiveness of the carriers is kept; and on the other hand, the transparent flexible substrate supports curved surface attachment and is suitable for special-shaped object identification, and the applicability of the UWB antenna is greatly improved.

The invention relates to the technical field of projection modules, and particularly discloses an LCOS laser projection module, which comprises a laser light source module, a laser speckle eliminator, a reflector, a diffuser, a collimating lens, a fly-eye lens, a relay lens, a first linear polarizer, a polarizing beam splitter, an LCOS chip, a second linear polarizer and a projection lens which are sequentially arranged along a light transmission path, the laser light source module is provided with a light source optical axis and is used for emitting light, and the light is projected by the projection lens after being modulated along a light transmission path to form a projection image. The light emitted by the laser light source has the advantages of narrow divergence angle, small light-emitting area and good light concentration and collimation, the resolution of a projected image can be improved, the projected image is bright in color and high in definition, and the requirements of simple structure and small size are met. Meanwhile, the laser speckle can be eliminated through the matching of the laser speckle eliminator and the diffusion sheet, and the projection image can meet the high contrast through the existence of the first linear polarizer and the second linear polarizer.

The invention discloses a navigation underwater target detection method based on multi-modal fusion and adversarial recognition, and relates to the field of computer vision, and the method specifically comprises the steps: obtaining visible light, sonar and hyperspectral data of a navigation platform, completing the cross-modal space-time alignment, and generating a synthetic sample through text driving to supplement training data; carrying out inversion recovery on the low-light image by adopting a light transmission model; constructing an end member matrix to complete hyperspectral unmixing, and obtaining an abundance matrix through physical constraint enhancement; packaging the multi-modal data as a training tuple, generating a disturbance sample, and optimizing the model through a joint loss function; in the reasoning stage, a real-time environment is adapted by prompting vector self-calibration and multi-view uncertainty weighting fusion, abnormal detection and mode switching are realized in combination with a prediction entropy value, and finally a result is packaged and data is returned to form an iterative optimization closed loop. According to the method, the target identification degree is improved through multi-modal feature complementary fusion, the anti-interference capability is enhanced by means of adversarial training, and a complex underwater environment is adapted based on dynamic reasoning and closed-loop optimization.

This specification discloses a light control film and a display device to which the light control film is applied. The light control film, when applied to a display device, enables precise control of the light output angle, ensuring high transmittance, high brightness, and excellent resolution within the light output angle, and blocking unwanted light that can cause defects such as ghosts or moire. Even when applied to an OLED display, the light control film exhibits the above-mentioned performance without causing defects such as stripes that are noticeable to a viewer. This specification also discloses a display device to which the light control film is applied.

A display substrate and a display device are provided. The display substrate includes a light emitting element disposed on a base substrate, and an encapsulation layer, a connection layer, a light extraction layer, a polarization conversion layer and a polarization layer stacked sequentially at a light exiting side of the light emitting element. The light extraction layer is configured to convert at least a portion of light emitted by the light emitting element incident onto the light extraction layer into circularly polarized light with a set rotational direction to pass through the light extraction layer. The polarization conversion layer is configured to convert the circularly polarized light passing through the light extraction layer into linearly polarized light, with a polarization direction parallel to a direction of a light transmission axis of the polarization layer; the connection layer is configured to bond the light extraction layer to the encapsulation layer.

The present document describes methods and systems for amplifying and quantifying amplification of a nucleic acid molecule, with a polymerase chain reaction (PCR) or a loop-mediated isothermal amplification (LAMP), by irradiating, with a heating activation light beam from a continuous wave laser a biological enzymatic reaction mixture in solution comprising a nucleic acid template, a polymerase enzyme, and chemically modified nanoparticles. Quantification of the amplification is achieved by irradiating the biological enzymatic reaction mixture during an annealing and / or elongation steps with an ultraviolet (UV) light source and measuring with a photodetector a transmission change in UV light transmission.

The invention relates to the technical field of photovoltaic adhesive films, and discloses an anti-radiation photovoltaic packaging adhesive film, a preparation method thereof and a photovoltaic module. The adhesive film is of a multi-layer co-extrusion composite structure formed by co-extrusion molding and irradiation, and comprises an upper surface layer, a middle functional layer and a lower surface layer, the upper surface layer is a radiation-resistant polymer matrix (such as EVA-g-St, EVA-g-(alpha-MeSt), POE-g-St and an EVA / POE-aromatic resin blend); the middle functional layer comprises a packaging resin matrix, an anti-radiation agent (which is a nano-scale radiation protection material such as a rare earth oxide, a heavy metal oxide, a boron-containing compound and a polymer derivative of a benzotriazole type ultraviolet absorbent) and a stabilizer; and the lower surface layer is a bonding surface layer formed by light-transmitting bonding resin. The adhesive film is good in radiation resistance, the light transmittance, the cohesiveness, the elongation at break retention rate, the yellowing resistance, the power attenuation resistance of a component and the like after accelerated radiation are obviously improved, and the service life of the component under strong radiation can be prolonged.

A spotlight, having a housing. The housing defines a cavity and a light exiting side of the spotlight. The spotlight has a light element provided in the cavity of the housing; a zoom optic provided in the cavity of the housing; and a filter arranged at the light exiting side on the housing. The filter has a tintable glazing (Smart Glass), wherein the translucency of the glazing is changeable by application of an electric voltage.

The application discloses an electric double-sunshade curtain system, a control method and a new energy automobile, and relates to the field of automobile accessories, which comprises a front sunshade curtain and a rear sunshade curtain, one end of the front sunshade curtain is connected with a front sunshade curtain support horizontal rod, one end of the rear sunshade curtain is connected with a rear sunshade curtain support horizontal rod, one end of the front sunshade curtain support horizontal rod is connected with a front sunshade curtain left pull rope, and the other end is connected with a front sunshade curtain right pull rope; one end of the rear sunshade curtain support horizontal rod is connected with a rear sunshade curtain left pull rope, and the other end is connected with a rear sunshade curtain right pull rope; the front sunshade curtain left pull rope and the front sunshade curtain right pull rope are pulled by a front sunshade curtain motor, and the rear sunshade curtain left pull rope and the rear sunshade curtain right pull rope are pulled by a rear sunshade curtain motor; the other end of the front sunshade curtain is provided with a front sunshade curtain winding mechanism, and the other end of the rear sunshade curtain is provided with a rear sunshade curtain winding mechanism. The application occupies a smaller Z-direction space, and meanwhile, the rear row has a larger light transmission area; and the sunshade curtain can be effectively wound and kept in a corresponding state.

The invention discloses a building curtain wall illumination and temperature control optimization adjustment method based on artificial intelligence. Illumination, temperature and humidity data are collected in real time through an environment monitoring device, a multi-dimensional environment data set is generated by adopting a data fusion technology, a dynamic change mode of illumination and temperature is analyzed, and environment states such as photo-thermal conflicts are recognized; for a conflict state, a prediction model is utilized to evaluate a light transmittance adjustment influence and generate an optimized shading parameter set, a multi-target balance threshold value of an application environment is determined through adaptive mapping, a dynamic control instruction is iteratively generated in combination with an optimization algorithm, and finally an adjustment signal is extracted to drive an execution device to realize real-time environment optimization. Through multi-dimensional data fusion and prediction optimization, the accuracy and adaptability of environment regulation and control are remarkably improved, collaborative balance of multiple targets such as light, heat and humidity is achieved, and the comfort and energy efficiency of indoor and outdoor environments are optimized.

A biaxially oriented cavitated PHA-rich composite film comprises a PHA-rich core layer and a first outer skin layer and a second outer skin layer. The core layer comprises a PHA resin at an amount of more than 50 wt % of a total weight of the polymeric resin in the core layer and a modifier X, the modifier X includes PLA resins and PLA copolymers and at least one mineral inorganic cavitating agent; the first outer skin layer comprises a PLA resin at an amount less than 50 wt % of the total weight of the outer layer and biopolymers comprising PHA resins or PBSA resins or PCL resins or mixture thereof. The PHA-rich composite film shows a reduced film density and higher yield as well as low light transmission rate.

The invention relates to the technical field of photovoltaic packaging materials, and discloses a modified POE photovoltaic packaging adhesive film, a preparation method thereof and a photovoltaic module. The modified POE photovoltaic packaging adhesive film is prepared from 60 to 100 parts of POE resin, 8 to 50 parts of barrier master batch, 0.5 to 2 parts of composite silane coupling agent, 0.5 to 1.5 parts of cross-linking agent and 0.2 to 2 parts of assistant cross-linking agent, the barrier master batch comprises 5-30 parts of polar functionalized grafted POE and 3-20 parts of a barrier agent; the blocking agent is a cycloolefin copolymer COC with Tg less than or equal to 120 DEG C. The modified POE photovoltaic packaging adhesive film has the advantages of high light transmittance, PID resistance and the like of the existing POE adhesive film, and also has high bonding strength and low water vapor transmittance to photovoltaic glass; the problems of adhesion, water resistance and light transmittance of the POE adhesive film are solved synergistically, the inherent processing compatibility problem between COC and a POE substrate is solved, and a foundation is laid for improving the long-term reliability of a photovoltaic module.