67 results about "Solid light" patented technology

The invention discloses a preparation method of 3, 6-dichloropyridazine, and belongs to the technical field of chemistry. According to the method, 3, 6-dihydroxypyridazine is used as a raw material, an organic solvent and triphenylphosphine oxide are combined to form a dichlorotriphenylphosphine intermediate state which is used as a chlorinating agent, dihydroxyl is substituted to generate 3, 6-dichloropyridazine, triphenylphosphine oxide and solid light are used as raw materials, heating reaction is performed to prepare 3, 6-dichloropyridazine, meanwhile, a one-pot method can be adopted in the two-step reaction, and operation is easy and convenient. The novel preparation method for synthesizing 3, 6-dichloropyridazine provided by the invention has the advantages of low raw material cost, high yield, high gas phase purity and no pollution, is suitable for industrial production, can meet industrial requirements, provides a new idea for later preparation of 3, 6-dichloropyridazine, has the remarkable advantages of high gas phase purity and high yield, and is suitable for industrial production. Wide application prospects are realized.

Optical element for a radiation imaging device, comprising: a scintillator which receives radiation (100) to emit fluorescence light with a longer wavelength than the radiation (100) and which is uniformly formed on a radiation-incident substrate surface of a lens-shaped substrate (14) provided in an objective lens (10), wherein the scintillator is made of: a base material which is a solid optical material from which the lens-shaped substrate (14) is formed, and of a predetermined additive.

The application discloses a method for measuring optical constants of transparent solid based on a layered sample transmission spectrum analysis method, and belongs to the fields of spectroscopy and optical measurement. The principle of the application is that: layering flat sample materials with the same thickness, measuring the transmittance of two layered combination samples, deriving the transmittance t and reflectance r of light vertically through a single layer sample with a thickness of L through algebraic operation, then obtaining the attenuation factor y and the interface reflectance R through an analytical method, and further obtaining the extinction coefficient k and the refractive index n of the sample, so as to realize the measurement of the optical constants of the transparent solid. The application solves the problem of inconsistent conditions of measuring the reflection and transmission spectrum of the single layer sample in the prior art, and also solves the iteration error and the time-consuming calculation problem existing in the layered sample transmission spectrum inversion method, and greatly simplifies the experimental measurement and solving calculation process.

The present invention relates to the technical field of solid light-emitting materials, and provides a glass ceramic, a preparation method therefor and a use thereof. The glass ceramic comprises at least one of a Ba2SiO4:Eu2+ single crystal phase, or a Ba2SiO4:Eu2+ and BaSiO3:Eu2+ double crystal phase. The glass ceramic has excellent stability and light-emitting properties, can be widely used to the field of display or lighting, and is particularly applicable to the fields of outdoor display and high-power lighting.

An optical storage medium, a super-resolution information reading method and device based on said medium, and a super-resolution information writing method and device based on said medium. The mole fractions of components of the optical storage medium are as follows: 0.1%-5% of a photoinitiator, 0.1%-5% of an aggregation-induced emission dye, 0.1%-5% of a metal ion compound, and 85%-99.7% of a monomer. The information writing method comprises: using a solid light beam having a wavelength λ1 to irradiate an optical storage medium, so as to enhance the fluorescence intensity of an irradiated area; using a hollow light beam having a wavelength λ2 to irradiate a surrounding area around the irradiated area of the solid light beam, so as to quench the fluorescence intensity of the surrounding area; and using fluorescence contrast record information of the irradiated area and the surrounding area to form an information record point the size of which is smaller than a diffraction limit. The super-resolution writing and the stimulated emission depletion microscopy technology-based super-resolution reading solve the problems that conventional reading and writing methods cannot break through a diffraction limit, the material transmittance is low, the number of three-dimensional record layers is limited, etc., and the optical storage density and capacity are greatly improved.

The invention provides a pure solid-state scanning type absolute ranging system and a target detection method thereof. The pure solid-state scanning type absolute ranging system comprises a light source, an optical fiber amplifier, a spatial light polarization controller, a pure solid-state light beam scanning and interference module, a spectrum acquisition module and a control and calculation module, the pure solid-state light beam scanning and interference module is based on the wavefront regulation and control principle, dynamic modulation of incident light wavefront is achieved by loading a two-dimensional programmable grating phase on a spatial light modulator, and therefore light beams are controlled to complete pure solid-state scanning in space according to a set path. When a scanning light beam irradiates a target pyramid, a strong return light signal is generated, the spectrum acquisition module captures two-dimensional spectrum resolution and two-dimensional spectrum image imaging of an interference signal, and the control and calculation module performs high-precision distance calculation of a target absolute distance through phase extraction and interference fringe analysis based on a dispersion interference principle.

The invention relates to a solid optical body (10) made of a solid transparent material for use in a light module (12) of a motor vehicle lighting device (14). The solid optical body (10) comprises a light coupling section (16) through which light from a light source (18) of the motor vehicle lighting device (14) can be coupled into the solid optical body (10), and a light coupling section (22) through which at least a part of the light coupled into the solid optical body (10) is coupled out of the solid optical body (10), so that the coupled-out light serves to generate at least a part of a light distribution of the motor vehicle lighting device (14) in front of the motor vehicle.The optical body (10) further comprises an optically active layer (24) arranged in the beam path between the input coupling section (16) and the output coupling section (22), which is configured to modify incident light, wherein the optically active layer (24) comprises at least one film (24a) and is arranged inside the optical body (10). It is proposed that the at least one film (24a) has a three-dimensional shape, configuration and / or structure and is overmolded with the transparent material of the optical body (10) on at least one of its surfaces.

The invention discloses a phase change metasurface-based angular momentum detection and optical switch dual-function optical device, which comprises a phase change metasurface optical device, and is characterized in that the phase change metasurface optical device comprises a substrate and a metasurface unit layer from top to bottom, and the metasurface unit layer comprises periodically arranged GSST metasurface units; the phase change metasurface optical device diffracts and deflects a to-be-detected light beam carrying different spin angular momentum information and orbital angular momentum information to a preset solid light spot position through common regulation and control of a geometric phase and a transmission phase, and the solid light spot position displays the spin angular momentum and orbital angular momentum information of the to-be-detected light beam; and meanwhile, the phase state of the GSST superstructure unit is changed to realize the function of the phase change metasurface optical switch. According to the phase change metasurface optical device, the dual functions of angular momentum detection and optical switching are achieved, the detection mode is simple, and the optical switching efficiency is high.

The Package Beacon device streamlines package identification for delivery drivers and parcel service personnel. When attached to a package, the Beacon can emit a flashing or solid light, a buzzing / beeping sound, and or a vibration alarm to notify personnel of its physical location. Each beacon is equipped with a unique code, such as a barcode, QR code, and or passive / active RFID, which ensures individual identification. Once attached, the beacon and package are digitally paired using a scanner or RFID reader, and this pairing is uploaded into the parcel system before the package and its beacon are physically loaded onto the delivery vehicle. Upon arrival at the delivery destination, the beacon activates its notification process to alert the employee of its exact location on the vehicle. This process can be initiated by the onboard GPS system or manually / remotely by the delivery employee.

This near-infrared light-emitting device (10) is provided with a solid-state light-emitting element (1) and a wavelength conversion body (2) containing a phosphor, and emits two or more fluorescent components from one light output surface. The two or more fluorescent components include a first fluorescent component and a second fluorescent component arranged side by side in order from the short wavelength side. For the spectral shape of the first fluorescent component, the slope of a long-wavelength region from the fluorescence peak of the first fluorescent component is steeper than the slope of a short-wavelength region, and for the spectral shape of the second fluorescent component, the slope of a short-wavelength region from the fluorescence peak of the second fluorescent component is steeper than the slope of the long-wavelength region. The second fluorescent component has the fluorescence peak in the wavelength range of 780 nm or more and 1000 nm or less.

A lighting assembly for a luminaire includes a circuit board and a light source disposed on the circuit board. A heat sink is coupled to the circuit board. A solid integrated optical array is coupled to the circuit board. The solid integrated optical array includes a solid optical lens. Each solid optical lens is disposed over a corresponding one of the light sources. Each solid optical lens includes a light guiding body defining a total internal reflection lens and an external light guiding surface. Each solid optical lens is adapted to pass a light beam in a predefined direction to form a light beam pattern. Each solid optical lens is configured to maintain a base beam size of light therethrough, wherein the base beam size is less than 11 degrees. A bezel is disposed adjacent to the at least one solid integrated optical array and coupled to the heat sink.

The invention discloses a light source device for an image display device, which is characterized in that a single light source module is formed by a surface light-emitting solid light source and an optical element for narrowing the divergence angle of a divergent light beam emitted by the surface light-emitting solid light source, and a plurality of single light source modules are arranged in two dimensions to form a light source unit and an image display device. A light beam from a light source unit is incident on an image display device, and an image is displayed on a screen by adjusting an intensity of the light according to an image signal by the image display device. The reflecting surface of the reflective optical element forming the single light source module is in a paraboloid shape, the surface light-emitting solid element is designed on the end surface of the surface light-emitting solid element, the reflected light beam emergent surface opposite to the surface light-emitting solid element is in a hexahedron shape, and the adjacent single light source modules are tightly arranged and seamlessly butted. The light source device is provided with a light source unit composed of a plurality of two-dimensionally arranged single light source modules, and the inscribed circle diameter of the hexahedron is approximately equal to the maximum diameter of the paraboloid-shaped reflecting surface. According to the invention, the reliability is obviously improved.

The invention discloses a solid optical material and a preparation method and application thereof, and relates to the technical field of optical materials, according to the solid optical material and the preparation method and application thereof, a water-based photocuring material is adopted as a main body, the VOC content is low (smaller than 50 g / L), the UV curing energy consumption is reduced by 60% compared with that of traditional thermocuring, and no solvent is left; through compounding of the resin brightener and the gloss oil (the HLB value is 8-12), the 60-degree glossiness of the cured surface is larger than or equal to 95 GU, meanwhile, after the mother-of-pearl inlay powder is modified through the silane coupling agent, the situation of non-uniform dispersion is avoided, the stable flickering effect can be improved, and the problems of sedimentation and non-uniform glossiness of a traditional material are solved; after synergistic optimization of the components, the coating is suitable for spraying, roller coating and other processes, the curing efficiency is high, the mother-of-pearl inlay powder is free of sedimentation and layering, the yield is increased by 30% or above, and the applicability in the fields of high-end electronic product shells, artware and the like is improved.

The application belongs to the technical field of solid light-emitting materials, and discloses a transparent microcrystalline glass as well as a preparation method and application thereof. 2+ The transparent microcrystalline glass comprises α-Sr2SiO4:Eu 2+ The transparent microcrystalline glass comprises α-Sr2SiO4:Eu 2+ The transparent microcrystalline glass comprises α-Sr2SiO4:Eu 2+ The transparent microcrystalline glass comprises α-Sr2SiO4:Eu The transparent microcrystalline glass has excellent stability and light-emitting performance, and can be widely applied to the fields of display or illumination, and is particularly suitable for the fields of outdoor display and high-power illumination.

The present invention provides a reflection element, an optical collimation assembly, a manufacturing method thereof, and a structured light projection device. The reflection element includes a reflection main body and a molded body. The reflection main body is made of a solid light-transmitting medium. The reflection element has at least one reflection surface, an incident surface, and an exit surface. The molded body is molded outside the reflection surface so that a light beam enters the reflection element from the incident surface, is reflected at least once by the reflection surface, and then exits from the exit surface.

The application belongs to the technical field of solid light-emitting materials, and discloses a kind of microcrystalline glass and its preparation method and application.The microcrystalline glass includes Ba2SiO4:Eu 2+ Single crystal phase, or Ba2SiO4:Eu 2+ And BaSiO3:Eu 2+ At least one of the double crystal phase.The microcrystalline glass of the application has excellent stability and light-emitting performance, and can be widely applied in the field of display or illumination, especially suitable for outdoor display and high-power illumination field.

An example of a nitric oxide (NO) releasing film includes a substrate; an NO donor film attached to the substrate; and an NO permeable and light transparent film positioned on the NO donor film. The NO donor film includes a polymer matrix selected from the group consisting of a non-UV curable polyurethane, polyvinyl butyral, polystyrene, copolymers of styrene, block copolymers of styrene, poly(ethersulfone), polyvinylpyrrolidone, polyvinyl acetate, poly(ethylene-co-vinylacetate), and combinations thereof; and solid, light sensitive NO donor particles distributed throughout the polymer matrix. The solid, light sensitive NO donor particles have a volume-weighted mean diameter of 50 μm or less. In one example, the NO donor film further includes an additive, such as NO2 scrubber particles, a radical stabilizer, dispersant, and / or an anti-skinning additive.

This near-infrared light-emitting device (1) is provided with: at least one solid-state light-emitting element (10) that emits primary light (11) having a maximum spectral intensity in the wavelength range of 380 nm or more and less than 700 nm; a light diffuser (20) that diffuses the primary light (11) and emits diffused light (21); and a light absorber (20) that absorbs the diffused light (21). And a near-infrared phosphor (31) that emits output light (50) containing the near-infrared light as a light component and that converts the wavelength of the near-infrared light into near-infrared light having a maximum fluorescence intensity in a wavelength range of 700 nm or more and less than 2500 nm. The near-infrared light-emitting device (1) emits output light (50) containing the near-infrared light as a light component.

This invention provides an integrated optical coupler light-emitting carrier and its processing method, comprising, from top to bottom, an inlet section, a CPC composite parabolic light-receiving section, a straight cylindrical light-guiding section, and an outlet microlens section. The inlet section is used to couple with the light beam emitted by the light source. The CPC composite parabolic light-receiving section aims to achieve efficient collection, focusing, and transmission of light with optimal light energy transfer. The inner surface of the CPC composite parabolic light-receiving section adopts a composite parabolic surface designed with a CPC composite parabolic concentrator. The straight cylindrical light-guiding section is used for total internal reflection transmission, guiding the light to the outlet end. The straight cylindrical light-guiding section adopts a solid light-guiding structure. The outlet microlens section is a microlens used to expand or shape the light beam emitted from the straight cylindrical light-guiding section to meet the requirements of the starry sky top light-emitting point for the light spot size and brightness distribution. The advantages of this invention are: significantly reduced investment in vehicle configuration; and significantly improved production efficiency.

The application belongs to the field of organic synthesis and provides a green preparation method of 1,4-cyclohexane dimethyl diisocyanate, wherein a non-polar solvent is used to prepare a solid light solution and a 1,4-cyclohexanedimethylamine solution respectively; the 1,4-cyclohexanedimethylamine solution is added dropwise into the solid light solution at 0-50 DEG C to perform a cold light reaction; the temperature is increased to 30-100 DEG C to perform a warm light reaction; the solid light solution is supplemented, the temperature is increased to 120-180 DEG C, and a hot light reaction is performed; wherein the total molar ratio of bis(trichloromethyl) carbonate and 1,4-cyclohexanedimethylamine is 0.5-2:1. Through the synergistic effect of the segmented supplementing process and the gradient temperature control, the problems of poor safety, many side reactions and low yield in the prior art are solved.

Described are colonoscopy systems and methods of using such systems. The colonoscopy systems may include an optical scanning system having at least one illuminator configured to produce spatially patterned light and solid light in at least one frame to illuminate tissue within the colon, and at least one camera configured to capture the at least one image of the illuminated tissue within the colon. Additionally, the optical scanning system may include at least one control system configured to construct at least one three dimensional point cloud representations of the tissue within the colon and detect at least one feature of interest using the at least one three dimensional point cloud and a pre-trained artificial intelligence engine.

The invention discloses a solid photo-thermal conversion efficiency measuring method and device based on a photoelectric equivalence principle. According to the invention, the photoelectric equivalence principle is utilized, and the heat dissipation property of the solid sample is investigated by simulating the temperature change under the light heating condition through electric heating; the method comprises the following specific steps: firstly, measuring the temperature evolution of a sample in an electric heating process, deriving a heat dissipation coefficient by performing linear fitting during heat balance, then measuring the temperature evolution of the sample in a photo-thermal process under the irradiation of a light source, and further obtaining the accurate photo-thermal conversion efficiency of the sample through a heat balance equation. The method is wide in applicability and suitable for measuring the photo-thermal conversion efficiency of solid samples such as inorganic nanocrystals and organic materials.

The invention relates to the technical field of solid photoluminescence materials, and provides a rare earth doped calcium lanthanum borate crystal, a preparation method and application thereof, and a white light emission and color temperature regulation method. According to the invention, the lanthanum calcium borate crystal is used as a rare earth ion doped matrix, and the rare earth ions can realize high luminous efficiency and fluorescence quantum yield by virtue of rich energy level structures and excellent optical characteristics. The luminous color temperature can be effectively regulated and controlled by adjusting the concentration of doped ions. In addition, the rare earth doped calcium lanthanum borate crystal provided by the invention is high in laser damage threshold and stable in physicochemical property, and the service life of the rare earth doped calcium lanthanum borate crystal is prolonged. When the rare earth doped calcium lanthanum borate crystal is used as a white light emitting substrate, white light output can be realized directly through ultraviolet light and visible light LD (or LED) pumping. Compared with a traditional solid white light material, the rare earth doped calcium lanthanum borate crystal shows excellent color rendering property and longer luminous life, and an optical pumping system is simple in structure.

The utility model relates to laser equipment for solar cell patterning, belongs to the technical field of photovoltaic modules, and solves the problem that precision and efficiency cannot be improved simultaneously in the laser patterning process of solar cells in the prior art. The device comprises a laser light source used for outputting a laser beam; the first beam splitter is used for splitting the laser beam into a first light beam and a second light beam; the vortex light converter and the first light beam adjusting assembly are used for adjusting the solid light spot of the first light beam into a hollow annular light spot with the required shape and size; the second light beam adjusting assembly is used for adjusting the shape and size of the light spot of the second light beam to be the same as the hollow part of the hollow annular light spot; and the second beam splitter is used for combining the first light beam and the second light beam. The laser beam is divided into two light beams, the shapes and the sizes of the two light beams are adjusted respectively, finally, the large light spot, the small light spot and the annular light spot with the adjustable sizes are combined and output, and the machining efficiency and the machining precision can be improved at the same time.

The application relates to the technical field of solid light-emitting materials, in particular to a CsPbBr3 perovskite quantum dot germanoborate glass material and a preparation method and application thereof. The CsPbBr3 perovskite quantum dot germanoborate glass material provided by the application comprises, in terms of the mass fraction, GeO2 25-29 parts, H3BO3 100-108 parts, ZnO 2-6 parts, SrCO3 1-4 parts, Cs2CO3 3-8 parts, PbO 2-7 parts and NaBr 1-8 parts. The perovskite quantum dots are embedded in the germanoborate glass, the environmental stability of the perovskite quantum dots is improved, and the application prospect of the perovskite quantum dots in photoelectric devices is expanded. Further, by introducing LiF into the perovskite quantum dot germanoborate glass material, the fluorescence quantum yield of the perovskite quantum dot glass is improved, and the environmental stability of the perovskite quantum dots is further improved.

The present application relates to the technical field of solid light emitting material, in particular to a kind of blue-green adjustable light emitting perovskite quantum dot borosilicate glass material and its preparation method and application.The present application is by CsPb(Cl / Br)3 perovskite quantum dot is doped into borosilicate glass, not only improve the environmental stability of blue-green adjustable light emitting perovskite quantum dot borosilicate glass material, effectively exert the photoelectric performance of perovskite quantum dot.Moreover, the blue-green adjustable light emitting perovskite quantum dot borosilicate glass material provided by the present application has excellent temperature resilience, when it is heated from room temperature to 280 DEG C and then cooled to room temperature, the luminescent intensity when cooling is comparable to the luminescent intensity in the heating process at the same temperature.

Provided is a vehicle-mounted information display system having a solid-state light source, the information system having a virtual image type image display device, the display device being provided with an optical system including an image display device that displays an image, and a light source that supplies light to the image display device. A light source device having a surface-emitting solid light source; and an optical module for receiving image light from the image display device. According to the light source device, a single light source module is formed by the surface light-emitting solid light source and the optical element for narrowing the divergence angle of the divergent light beam emitted by the surface light-emitting solid light source, and a plurality of single light source modules are arranged in a two-dimensional mode to form the light source unit and the image display device. The light beam from the light source unit is incident on an image display device, the intensity of the light is adjusted according to an image signal through the image display device, and an image is displayed on a screen. The performance of the optical assembly is improved by considering the diffusion characteristic of the image light emitted by the image display device.

The invention discloses a photoacoustic spectrometry double-gas detection system and method, and belongs to the field of gas detection, the system combines an LED light source with a differential Helmholtz photoacoustic cell, and compared with a traditional scheme based on an infrared or ultraviolet laser, the cost of a core assembly is greatly reduced. More importantly, the characteristic that the incident radius of the excitation cavity of the Helmholtz photoacoustic cell is large is utilized, solid-state photoacoustic noise caused by the large LED divergence angle is reduced, according to the characteristic that the phases of sound pressure signals of the two cavities are opposite during Helmholtz resonance, a differential detection scheme is adopted, the amplitude of effective photoacoustic signals is multiplied, and the detection accuracy is improved. And meanwhile, common-mode interference caused by environment noise and airflow noise is mutually counteracted, so that the signal-to-noise ratio of the system is improved. Besides, through a dual-channel signal generation module, two LEDs with different central wavelengths are driven, and a lock-in amplification module is combined, so that synchronous demodulation and measurement of concentration information of two gases are realized, and the complexity and the cost of the system are reduced.

The utility model discloses a light guide structure and a backlight module used for a head-up display system, and particularly relates to the technical field of the head-up display system, the light guide structure comprises a support, and a diffusion part, a light guide structure and a light source part which are fixedly arranged on the support, the light guide structure comprises a plurality of solid light guide pieces, each solid light guide piece comprises an incident surface and an emergent surface, the solid light guide part is located between the light source part and the diffusion part, the light source part is close to the incident face, the diffusion part is close to the emergent face, the area of the incident face is smaller than that of the emergent face, light emitted by the light source part is refracted by the incident face, then is totally reflected in the solid light guide part and is emitted out of the emergent face, and the diffusion part is used for receiving light emitted by the emergent face. And the light is diffused to the display panel. The backlight module is small in light beam loss, good in uniformity, more stable in chromaticity and capable of reducing the field-of-view beam angle.

The invention provides a quick connector and a manufacturing method thereof. The quick connector comprises a terminal wire, a PC shell and a connecting shell. The terminal wire comprises a plurality of copper sheets used for being in contact with copper foils on a lamp panel, the connecting shell is provided with an open hole used for fixing the lamp panel, the PC shell comprises a shell body and a PC buckle, the terminal wire and the connecting shell are arranged in the shell body, and the PC buckle fastens the terminal wire and the connecting shell to ensure that the copper sheets are in contact with the copper foils on the lamp panel. Compared with the prior art, the welding-free solid lamp strip has the following effects that welding-free connection of the solid lamp strip is achieved, the installation process is simplified, using convenience and reliability are improved, the design of the flexible transparent lamp strip meets diversified scene requirements, the transportation and storage cost is optimized, and the welding-free solid lamp strip has very high market popularization value.