52 results about "Light management" patented technology

The invention discloses a building engineering lighting resource scheduling method and system based on big data, and relates to the technical field of intelligent control and big data processing. According to the method, the multi-source time sequence data is collected, the resource scheduling association diagram is constructed, the illumination terminals are grouped by using the multi-target adaptive scheduling clustering algorithm, the differentiated illumination control strategies of the resource scheduling partitions are generated, and the operation states of the illumination terminals in the corresponding resource scheduling partitions are controlled; the building engineering lighting resource utilization efficiency is remarkably improved, on the premise that operation safety and lighting quality are guaranteed, precise lighting according to needs, energy conservation and consumption reduction are achieved, the capacity of self-learning and strategy optimization is achieved through feedback data, lighting scheduling is converted from static and extensive states to dynamic and refined states, and the lighting scheduling efficiency is improved. And the intelligent level and the self-adaptive capability of illumination management are effectively improved.

1. Name of this design product: Graphical user interface for interactive management of vehicle lights for electronic devices. 2. Purpose of this design product: This design product is used for an electronic device. 3. The key design point of this design product lies in the graphical user interface. 4. The picture or photo that best illustrates the key points of the design: Main view of Design 1. 5. The electronic equipment is of conventional design and other figures are omitted. 6. Designate Design 1 as the base design. 7. Purpose of Graphical User Interface: The interface is mainly used for interactive interface of car light show and interactive light management. The main view interface of Design 1 is displayed as an initial interface. The upper part of the interface is the image corresponding to the actual vehicle model. The image of the vehicle model will change with the actual vehicle model or the reception of data. The lower part is the "lighting" selection module. Selecting the corresponding module will reflect the corresponding effect on the headlights of the upper vehicle (or on the actual headlights). The main view interface of Design 2 is displayed as an initial interface. The upper part of the interface is the image corresponding to the actual vehicle model. The image of the vehicle model will change with the actual vehicle model or the reception of data. The lower part is the "lighting" selection module. Selecting the corresponding module will reflect the corresponding effect on the headlights of the vehicle above (or on the actual headlights). The main view interface of Design 3 is displayed as an initial interface. The upper half of the interface is the image corresponding to the actual vehicle model. The vehicle model image will change with the actual vehicle model or data received. The "Lighting" selection module is located below. Select the corresponding module to further set the module. The main view interface of Design 4 is displayed as an initial interface. The right half of the interface is the image corresponding to the actual vehicle model. The image of the vehicle model will change with the actual vehicle model or the reception of data. The left half is the "lighting" effect selection module. Selecting the corresponding module will reflect the corresponding effect on the headlights of the car above (or on the actual headlights). The main view interface of Design 5 is displayed as an initial interface. The upper half of the interface is the image corresponding to the actual vehicle model. The vehicle model image will change with the actual vehicle model or data received. The "Lighting" selection module is located below. Select the corresponding module to further set the module. The interface change status diagram of Design 5 shows the change interface presented by clicking a "Light" module at the bottom of the Design 5 main view interface. The right half of the interface is the image corresponding to the actual vehicle model, which will change with the actual vehicle model or data received. The left half is the "Light" effect selection module. Selecting the corresponding module will reflect the corresponding effect on the headlights of the car above (or on the actual headlights).

Intelligent control of solar transmission through windows promises to reduce energy consumption for thermal comfort in buildings. However, the ability of current smart windows to regulate solar gain based on tunable extinction of phase-change materials is not optimum. A thin-film thermochromic device based on tunable light scattering of hydrogel microparticles of prescribed diameters is reported. In the study, poly (N-isopropylacrylamide)-2-Aminoethylmethacrylate hydrochloride (pNIPAm-AEMA) microparticles are synthesized, with low phase transition temperature ˜32° C. Notably, the average size of pNIPAm-AEMA particles can vary from 1388 nm at 25° C. to 546 nm at 35° C., leading to unprecedented infrared transmittance modulation of 75.6%, in agreement with the numerical simulation based on Mie theory. A high luminous transmittance of 87.2% is accomplished. The pNIPAm-AEMA device demonstrates tunable scattering with excellent stability and scalability, which may find application in a broader field of light management beyond energy-saving smart windows.

This facilitates the management of exposure conditions for materials displayed in the exhibition area. [Solution] The system includes an exposure amount calculation unit that determines the amount of exposure based on the exposure time and illuminance of the exhibition area where the exhibited items are displayed, determined by a lighting device, a determination unit that determines whether the amount of exposure has reached a threshold value which is lower than a reference exposure amount which is the upper limit of the amount of exposure for a specified period for the exhibited items displayed in the exhibition area, and an output unit that outputs an alert signal when the amount of exposure reaches the threshold.

The invention belongs to the technical field of light control, and particularly relates to a dimming control algorithm for indoor constant illumination acquisition, which comprises regional thermal monitoring analysis, indoor and outdoor illumination monitoring, dynamic dimming compensation strategy generation, dimming strategy execution and dimming smoothness analysis. According to the invention, the illumination dynamic compensation decision unit determines the target illumination standard value of the corresponding indoor area based on the current natural light incident intensity of the corresponding indoor area and the thermal marking information, generates the corresponding dynamic dimming compensation strategy, and adjusts the illumination lamps of each indoor area. Efficient, comfortable and energy-saving indoor constant illumination control is achieved, the indoor illumination energy consumption is reduced, meanwhile, the illumination effect of all indoor areas is guaranteed, the dimming smoothness of the corresponding dimming process is judged through the dimming curve, corresponding treatment measures can be taken in time, the situation that indoor personnel feel uncomfortable due to insufficient dimming smoothness is avoided, and the indoor illumination effect is improved. And the intelligent level and the automation level are high.

The utility model relates to the field of intelligent lighting control, and discloses an external plugging light-operated integrated driver, which comprises a male plug-in and a female plug-in, a plurality of conductive plug-in slots are arranged at the lower end of the male plug-in close to the middle position, and two rotary plug-in slots are arranged at the lower end of the male plug-in close to the edge position. According to the utility model, through an external plugging function, maintenance and system upgrading become simpler and more convenient, the reliable fixation and alignment of the conductive insertion sheet groove and the rotary insertion sheet groove ensure the stability of power transmission and the reliability of connection, the built-in photosensitive sensor can realize on-off control according to the environment illumination intensity, energy is saved, and the cost is reduced. According to the utility model, the service life of the lamp is prolonged, the convenience of illumination management is improved, stable and reliable illumination effects are provided under different illumination conditions, inconvenience caused by misoperation and frequent switching is reduced, meanwhile, in the plugging and unplugging process, the driver and power input are safely and completely isolated, the risks of electric shock and short circuit are reduced, and the use safety is ensured.

To provide an augmented reality system.SOLUTION: An augmented reality system includes a light source to generate a virtual light beam, the virtual light beam carrying information on a virtual object. The system also includes a light guiding optical element, the light guiding optical element allowing a first portion of a first real-world light beam to pass therethrough, where the virtual light beam enters the light guiding optical element, propagates through the light guiding optical element by substantially total internal reflection (TIR), and exits the light guiding optical element. The system further includes a lens disposed adjacently to the light guiding optical element and exterior to a surface thereof, the lens comprising a light modulating mechanism to absorb a second portion of the real-world light beam and to allow the first portion of the real-world light to pass through the lens.SELECTED DRAWING: Figure 7

The invention provides a laminated cell and a preparation method thereof. A nanometer light-transmitting layer is arranged at a stacking interface between at least one adjacent sub-cell unit of the laminated cell, the nanometer light-transmitting layer contains insulating and transparent metal oxide nanoparticles, and the diameter of the nanoparticles is smaller than or equal to 350 nm. According to the invention, the light-transmitting layer with the nano-structure is prepared at the stacking interface of the laminated cell, and the form of the nano-particles can cause the change of the propagation path of light, thereby increasing the light scattering, reducing the light reflection loss between the stacking interfaces of the cell, and improving the reliability of the cell. And the light management of the laminated cell, especially three-junction or more than three-junction laminated layers is optimized, so that the photoelectric conversion efficiency of the laminated cell is improved.

The invention belongs to the technical field of photoelectric materials and devices, and particularly relates to a perovskite light-emitting-photovoltaic dual-function device and a preparation method thereof. The preparation method comprises the following steps: sequentially preparing an electron transport layer, a perovskite light-emitting-photovoltaic active layer, a hole transport layer and a top electrode on a transparent conductive substrate; the method is characterized in that when the perovskite light-emitting-photovoltaic active layer is prepared, specific functional molecules (such as beta-alanine, 5-amino valeric acid, phenylethylamine iodide, sulfaguanidine and the like) are introduced into a perovskite precursor to cooperatively regulate and control crystallization kinetics of perovskite, defects are passivated, and the perovskite light-emitting-photovoltaic active layer is prepared. And a microstructure (such as an embedded submicron cavity or a vertical single-layer crystal grain) which is beneficial to light management and carrier bidirectional transmission is guided to be formed. The device manufactured by the method can work as a high-efficiency light-emitting diode (EQEgt, 25%) and also can work as a high-efficiency solar cell (PCEgt, 15%), bidirectional high performance of optical-electric conversion is realized, and an effective scheme is provided for developing a novel integrated optoelectronic system.

A light management system includes a visible light source and a planar layered light confining structure having front and back sheets with a light converting layer between them. A microstructured front layer on the front sheet includes linear optical structures extending between opposite edges. The back sheet has an opaque reflective surface, and the structure includes a surface for total internal reflection. Light input ports having a cumulative area of no more than 10% of the converting layer area are arranged in a two-dimensional array and used to inject light into the structure. The light converting layer has an active layer containing light converting materials with different bandgaps that absorb light in a selected spectral band and transmit light in a different spectral band. The active layer includes quantum dots and has a thickness less than needed for complete single-pass absorption to accommodate multiple transverse light propagation.

A display device according to one embodiment includes a substrate including a display area including a plurality of sub-pixels, and a non-display area surrounding the display area. A first electrode is disposed in each of the sub-pixels on the substrate, and a bank is disposed on the first electrode at boundaries between adjacent sub-pixels, overlapping the periphery of the first electrode's upper surface. An organic layer is on the first electrode and the bank, followed by a second electrode on the organic layer. A color filter is on the second electrode, and an optical member is on the color filter. The bank includes a black-based material to reduce external light reflection. The optical member includes a destructive interference layer and nano-patterns spaced apart from one another on the destructive interference layer to minimize reflectance and improve light management.

This invention belongs to the field of *Coptis chinensis* cultivation technology, specifically relating to a cultivation method for increasing the berberine content in *Coptis chinensis*, comprising the following steps: seedling cultivation, transplanting, microbial inoculation, light management, fertilization management, staged drought stress induction, water management, and harvesting; the microbial inoculation involves simultaneously applying a compound microbial agent containing *Bacillus amyloliquefaciens*, arbuscular mycorrhizal fungi, and plant rhizosphere growth-promoting bacteria at the time of transplanting; the light management involves shading combined with LED supplemental lighting; the staged drought stress induction involves controlling the relative soil moisture content to 45%-55% for 7-10 days after transplanting, 60-75 days after transplanting. This invention, through the synergistic effect of microbial inoculation, light quality regulation, and drought stress induction, can significantly increase the berberine content in the roots of *Coptis chinensis* by more than 120% compared to conventional cultivation methods, and is standardized, green, and sustainable, suitable for large-scale cultivation and promotion.

The invention discloses a photovoltaic panel non-electric light sensation intelligent regulation and control device, and relates to the technical field of light energy. Comprising a base and a light sensor, the top of the base is fixedly connected with an adjusting structure, the top of the adjusting structure is fixedly connected with a photovoltaic structure, the top of the photovoltaic structure is fixedly connected with the bottom of the light sensor, the adjusting structure comprises a first rotating motor, and the bottom of the first rotating motor is fixedly connected with the top of the base; an output shaft of the first rotating motor is fixedly connected with a supporting seat, the top of the supporting seat is fixedly connected with a second rotating motor, an output shaft of the second rotating motor is fixedly connected with a supporting block, and the end, away from the second rotating motor, of the supporting block is rotationally connected with a fixing rod. The micro-motor is driven to work by means of light sensation feedback of the photovoltaic panel, and the light management requirement in the environment without power supply is met.

The invention provides a bionic moth eye and double-layer antireflection film composite structure and a preparation method and application thereof, and belongs to the technical field of photovoltaic technology and micro-nano optics. The composite structure comprises a planar silicon substrate, a double-layer antireflection film and a bionic moth eye nanostructure layer, the double-layer antireflection film cancels interference to reduce reflection, the bionic moth eye nanostructure layer provides gradient refractive index transition, and the double-layer antireflection film and the bionic moth eye nanostructure layer cooperate to achieve broadband antireflection at 300 nm and 1,180 nm. The planar silicon substrate gives consideration to efficient passivation, decoupling light management and carrier management. The invention also discloses a preparation method of the composite structure, which comprises the following steps: cooperatively optimizing parameters of the film layer and the nano-structure by combining a finite difference time domain method with a particle swarm optimization algorithm, sequentially plating two layers of films through plasma enhanced chemical vapor deposition, and forming the moth eye array at one time by ultraviolet nano-imprinting, so that the preparation method is simple in process and suitable for large-scale production. The composite structure can be applied to a crystalline silicon solar cell, surface recombination is inhibited while the short-circuit current is improved, and the conversion efficiency is improved.

The invention relates to the technical field of eyesight recovery protection devices for ophthalmology patients, particularly discloses an eyesight recovery protection device for ophthalmology patients, and aims to solve the problems that a traditional medical eye pad is inconvenient to use during examination, and light cannot be finely and gradually adjusted to adapt to postoperative photosensitivity. The device is characterized by comprising an eye protector body, a channel unit, a light adjusting unit and a control unit. Wherein the channel unit provides removal-free convenient operation; the light adjusting unit comprises an electrochromic film, and dynamic light transmittance adjustment is achieved; the control unit supports automatic, manual and progressive adaptation modes. By the adoption of the technical scheme, convenient and sanitary eye local operation can be achieved, fine progressive light management is provided, light sensitivity is effectively relieved, eye light adaptability recovery is promoted, and postoperative rehabilitation comfort, safety and efficiency are improved.

The invention discloses a photoaerobic organism complete mixing reactor for synthesizing purple membrane protein by enriching halophilic microorganisms. The photoaerobic organism complete mixing reactor comprises a biological reaction area and a bottom light management area, the biological reaction area is used for completing microbial cell proliferation, metabolism regulation and control and purple membrane protein synthesis, and providing a limit environment with constant temperature, controllable dissolved oxygen, uniform nutrition and sufficient illumination for halophilic microbial flora so as to realize accurate control of high-density culture and efficient induction of thalli; the bottom light management area is used for efficiently, uniformly and controllably providing light energy with the wavelength and intensity of 200-700nm to the biological reaction area, and the light energy is used as an environmental signal for inducing halophilic microorganisms to synthesize purple membrane protein. According to the reactor, the halophilic microbial flora for efficiently synthesizing the purple membrane protein can be obtained, an aerobic / illumination synergistic condition required by the purple membrane protein synthesis process is provided, sufficient salt and nutrient substances are given to the halophilic microbial flora, and a reactor operation mode for stably and efficiently synthesizing the purple membrane protein at low cost is realized.

The present invention relates to a Light Management System (LMS) and its manufacturing method, said system (LMS) comprising illumination achieved using uncollimated light directed towards a flexible Light Guide Plate (LGP) comprising a core (1) in the form of a light-transmitting sheet, characterized in that it comprises: - A first film (10) adjacent to a first face of the core (1) and comprising at least one collimation structure (2) using a design of free-form micro-optical elements (FF-MOEs); - At least one coupling structure (3) using a prism design, preferably an air prism, on a second face of the core (1), opposite said first face; - Said collimation structure on the first film (10) directing the light towards said coupling structure (3) on the second face to optimize the efficiency of the light coupling in the LGP.Figure for the abbreviation: Figure 2.

The invention discloses a transparent conductive film with an adjustable crystal face and a preparation method thereof, and belongs to the technical field of electrochromism. The electron / hole enrichment type crystal face exposure proportion of transparent conductive crystal grains is optimized by utilizing the anisotropic carrier enrichment characteristics of transparent conductive film polycrystalline particles represented by indium tin oxide in a color-changing device; the selective adsorption and color development states of oxidized / reduced chromophore ion clusters in the electrolyte on different types of crystal faces are regulated and controlled, diversified modulation of directional light transmission, refraction, light absorption, light reflection and color change comprehensively and controllably in a crystal face-electric field-chromophore electrolyte environment is achieved, and a light management module is manufactured and applied to directional light management scenes such as vehicle-mounted projection and the like. And evaluating the performance of on-site dynamic light management. According to the technology, a dimming main body is adjusted into a charge conduction mode for controlling the color changing process from a color changing material, passive light sensing and one-way dimming are developed into a new mode for controlling multi-element color changing by utilizing a crystal face angle, and a more intelligent light management normal form is provided.

A light management system includes a visible light source and a planar layered light confining structure having front and back sheets with a light converting layer between them. A microstructured front layer on the front sheet includes linear optical structures extending between opposite edges. The back sheet has an opaque reflective surface, and the structure includes a surface for total internal reflection. Light input ports having a cumulative area of no more than 10% of the converting layer area are arranged in a two-dimensional array and used to inject light into the structure. The light converting layer has an active layer containing light converting materials with different bandgaps that absorb light in a selected spectral band and transmit light in a different spectral band. The active layer includes quantum dots and has a thickness less than needed for complete single-pass absorption to accommodate multiple transverse light propagation.

A display device according to one embodiment comprises a substrate (101) containing a display area (DA) with several subpixels (PX1, PX2, PX3) and a non-display area (NDA) surrounding the display area (DA). A first electrode (151) is arranged on the substrate in each of the subpixels, and a bank (154) is arranged on the first electrode (151) overlapping the periphery of the upper surface of the first electrode (151) at the boundaries between adjacent subpixels. An organic layer (152) is located on the first electrode (151) and the bank (154), followed by a second electrode (153) on the organic layer (152). A color filter (191, 192, 193) is located on the second electrode (153), and an optical element (LSP) is located on the color filter. The bench (154) contains a black-based material to reduce the reflection of external light.The optical element (LSP) contains a destructive interference layer (DL) and nanopatterns (NP) spaced apart on the destructive interference layer (DL) to minimize reflectance and improve light management.

An augmented reality system includes a light source to generate a virtual light beam, the virtual light beam carrying information for a virtual object. The system also includes a light guiding optical element, the light guiding optical element allowing a first portion of a first real-world light beam to pass therethrough, where the virtual light beam enters the light guiding optical element, propagates through the light guiding optical element by substantially total internal reflection (TIR), and exits the light guiding optical element. The system further includes a lens disposed adjacent and exterior to a surface of the light guiding optical element, the lens comprising a light modulating mechanism to absorb a second portion of the real-world light beam and to allow the first portion of the real-world light to pass through the lens.

The invention provides a light-storage-hydrogen intelligent micro-grid management method, and the method comprises the steps: recognizing the operation condition of a micro-grid based on real-time electricity price, energy storage real-time capacity and hydrogen storage reserve, and executing a system action according to the operation condition; outputting the power of each system in the microgrid under the identified operation condition according to an electricity price optimal model and a power balance model, and taking the output power of each system under the operation condition corresponding to the lowest value of the electricity price as configuration power; adjusting the current and / or voltage of a converter to enable each system in the alternating current coupling micro-grid to reach the configuration power calculated in the step S2; when the operation working condition is switched, an electricity price triggering criterion with a hysteresis interval is introduced as a working condition switching criterion; and when working condition switching is executed, a first-order inertia smoothing link and Ramp limited rate optimization power input are introduced. According to the technical scheme, the defects of an existing intelligent micro-grid management system in the aspects of management flexibility, economy, operation process and details are overcome, and the technical scheme is more detailed in low-light management.

The invention discloses a TBC solar cell introduced with a perforated structure and a preparation method, and belongs to the technical field of solar cells, the TBC solar cell comprises a silicon substrate, the back surface of the silicon substrate is provided with a plurality of first areas and second areas, and non-electrode areas of the first areas are provided with first perforated areas; the first through hole area is composed of a plurality of first suede through holes penetrating through the first tunneling passivation layer, the first doping layer and the first antireflection layer, a plurality of second suede through holes penetrating through the second tunneling passivation layer, the second doping layer and the second antireflection layer are formed in the non-electrode area of the second area, and the second suede through holes are in an inverted pyramid shape. The first perforation area and the second suede perforation are arranged in an equidistant array on the two sides of the metal electrode. A first suede perforated hole array is arranged in a non-electrode region of a P-type region, and inverted pyramid-shaped second suede perforated holes are formed in a non-electrode region of an N-type region, so that a carrier transmission path and a light management mechanism are cooperatively reconstructed, the light capturing capability of the back surface is optimized, and a double-sided factor is improved.

An AI server mainboard based on a computing energy SG2044 processor relates to the technical field of servers, adopts the computing energy SG2044 processor, integrates a 128GB LPDDR5 memory and a TPU module, realizes flexible signal distribution, and provides an M.2 NVME interface for a system disk and an MCIO interface for connecting an RAID memory card; the network interface adopts two I201 network chips and provides two gigabit Ethernet interfaces; two USB 3.0 interfaces are expanded through a uPD720201 chip, and a GD32F303 single-chip microcomputer is adopted to realize power supply time sequence control and functional key and indicator lamp management; bMC management is adopted, and an ExaMAX high-speed connector is adopted, so that signal crosstalk is reduced; a perfect grounding design provides a stable signal reference plane.

A lighting management system is provided, comprising: a plurality of lighting devices; a control system; a user interface device; wherein each lighting device of the plurality of lighting devices comprises a respective driver module configured to determine values of operating parameters of a set of operating parameters, and communicate the determined values to the control system; wherein the control system is configured for each respective driver module of the plurality of lighting devices: (i) to select at least two first operating parameters from the set of operating parameters, and (ii) to compute a first composite measure (C1) based on the determined values of the selected at least two first operating parameters; (iii) to select at least two second operating parameters from the set of operating parameters, wherein the at least two second operating parameters are different from the at least two first operating parameters, and (iv) to compute a second composite measure (C2) based on the determined values of the selected at least two second operating parameters; wherein the user interface device is configured to: obtain from the control system signals indicative of the first composite measure (C1) and the second composite measure (C2); render a visual representation with a first composite measure axis and a second composite measure axis, and for each respective driver module of the plurality of lighting devices, plot a point within the visual representation corresponding to the first composite measure and the second composite measure.

A light management system comprises a sensor unit and a control unit, wherein the sensor unit is configured to determine an intensity of a light source on a first side of a transparent screen, the sensor unit is further configured to, if the intensity of the light source is greater than a defined threshold, determine a position of the light source with respect to the eyes of a person located on a second side of the transparent screen, if, based on the position of the light source with respect to the eyes of the person, it is determined by the control unit that the light source may be blinding the person, the control unit is configured to tint at least a portion of the transparent screen to prevent the person from being blinded by the light source.

The invention discloses a flexible photovoltaic module based on a silk fiber composite film light management layer and a method. Silk fiber fabric is compounded with epoxy resin with matched refractive index, a thin film with birefringence and high toughness characteristics is formed through hot-pressing curing, and then the thin film, a photovoltaic cell piece and a flexible back plate are laminated and packaged at low temperature through an adhesive film. Tests show that the light transmittance of the silk fiber composite film in the visible light band is 90% (at the wavelength of 550 nm), the haze is obviously higher than that of a resin film, and forward light scattering can be effectively enhanced. The photoelectric conversion efficiency of the prepared flexible photovoltaic module is improved; and the film has excellent mechanical properties and good flexibility. According to the scheme, the problem that an existing flexible photovoltaic module is insufficient in mechanical and light management performance is effectively solved, the reliability and the photoelectric conversion efficiency are improved, and good application prospects are achieved.

The present invention detects the position and the orientation of a viewer in an exhibition space in which an exhibition area for exhibiting materials is provided and determines the observation state of the viewer on the basis of the orientation of the viewer. An illumination control unit controls an illumination device provided in the exhibition space so that the device enters any one of: a first state in which the illumination device is turned off; a second state in which the inside of the exhibition space is illuminated by illuminance that enables the viewer to move from a current position to another position; a third state in which the illuminance serves to attract the attention of the viewer to the material and in which the target of the illumination differs from that of the second state; and a fourth state in which the illuminance serves to enable the viewer to observe or appreciate the material and in which the mode of the illumination differs from that of the third state. The illumination control unit controls the illumination device so that the device enters the state corresponding to the detected position and the determined determination result.

The invention relates to a dynamic light-adjusting device for vehicle windows, comprising a vehicle front window (1) incorporating a light management system (2) and protective elements (3), which operate together to automatically adjust the opacity of the vehicle front window (1) based on the light intensity received, providing protection against the effects of glare and solar radiation. The light management system (2) also includes ambient light sensors and a brightness control processor that monitor the light conditions beyond those captured by the photochromic or electrochromic material of the vehicle front window (1).

A light control construction film includes a light control film disposed between a first multilayer optical film and a second multilayer optical film. For substantially collimated incident light, a UV wavelength range extending from about 300 nm to about 420 nm, a visible wavelength range extending from about 420 nm to about 680 nm, and a first angle of incidence of less than about 10 degrees: in the UV wavelength range, the light control film has an average optical transmittance T1, in which the light control film has an average optical transmittance T2, in which the light control film has an average optical transmittance T3, in which the light control film has an average optical transmittance T4; and the first multilayer optical film has an average optical transmittance of between about 5% and about 20% and an average optical reflectance of less than about 95%. The light control film has an average optical transmittance T1 / 3 and the first multilayer optical film has an average optical transmittance of at least T1 / 2 for substantially collimated incident light, a UV wavelength range, and a second angle of incidence of less than about 75 degrees.