40 results about "Light dispersion" patented technology

DEPCT68 The welding method disclosed here includes a procedure for applying laser light for... Inspect the workpiece at an angle while varying the amount of light dispersion. The process of determining the correction value for the amount of light scattering based on intensity. Laser backlight for inspection and workpiece welding process. Laser light is applied to the workpiece so that the amount of light scattering is adjusted. The correction value is zero in the welding method as disclosed, laser light for inspection. It is scanned in a direction approaching the laser emission point for time-based monitoring. The amount of light scattering will be zero during the laser application process for... Inspect the workpiece. From the results, determine the welding method, welding system, and possible adjustments. Improvements to the accuracy of laser beam focusing control for welding were provided;

The application discloses a whole light-emitting transdermal optical fiber puncture device, which comprises a rod-shaped puncture component for puncture and a light-emitting optical fiber arranged in the puncture component; the end and the side wall of the light-emitting optical fiber are both light-transmitting; the light-emitting optical fiber is provided with reflecting lenses at two ends to form an optical resonant cavity, so that light dispersion is formed in the light-emitting optical fiber; the light emitted by the light-emitting optical fiber can penetrate the side wall of the puncture component; the puncture component comprises a split rod part and a puncture needle; the rod part is made of a light-transmitting material. The light-emitting optical fiber with the light-transmitting end and side wall and the reflecting lenses at the end form the optical resonant cavity, so that the light entering the light-emitting optical fiber forms light dispersion and the light-emitting optical fiber uniformly emits light. The light emitted by the light-emitting optical fiber can penetrate the side wall of the puncture component and act on the tumor, so that the area of photodynamic chemical reaction is increased and the treatment efficiency is improved.

The utility model relates to the technical field of jumper fibers, in particular to a jumper fiber convenient to identify. According to the technical scheme, the optical fiber jumper comprises a jumper wire and connecting plugs, the two ends of the jumper wire are fixedly connected with the connecting plugs, a light guide pipe is fixedly installed in the jumper wire, the two ends of the light guide pipe are located at the positions, close to the two connecting plugs, of the exterior of the jumper wire, and light barriers are fixedly installed at the positions, close to the two ends of the light guide pipe, of the exterior of the jumper wire. And light dispersion plates are fixedly mounted on the sides, close to the light guide pipe, of the outer surfaces of the two light barriers. According to the utility model, when the jumping fiber trend and the connecting plug are searched, the jumping fiber trend and the connecting plug can be rapidly and conveniently identified, and the working efficiency is improved.

The utility model relates to an optical teaching experiment platform, which comprises a color experiment device, a light splitting experiment device, a lens imaging device and a refraction and reflection experiment device, wherein the color experiment device is used for carrying out experiment teaching of related knowledge of color synthesis of light, the light splitting experiment device is used for decomposing white light into light with different wavelengths through a light dispersion element, and the lens imaging device is used for carrying out experiment teaching of related knowledge of convex lens imaging. The refraction and reflection experiment device is used for carrying out experiment teaching of light reflection and refraction related knowledge. Compared with the prior art, the optical teaching aid systematically integrates basic optical knowledge, expanded optical knowledge and frontier optical knowledge related to middle schools, and can endow optical teaching with more intuitive principle display and more interesting operation experience.

The invention relates to high-fog and high-light-transmittance diffusion resin and a preparation method thereof, and belongs to the technical field of high polymer materials. A mixed system with certain refraction and scattering effects is formed by utilizing the incompatibility between polypropylene and polycarbonate, and the surface of talcum powder is coated with organic silicon and polypropylene chain segments, so that the nucleating effect of the talcum powder can be exerted, the transparency and mechanical strength of the material are improved, and the mechanical property of the material is improved. The compatibility of the talcum powder and a resin system can also be improved, the dispersion uniformity of the talcum powder is further improved, so that the light transmission uniformity and the mechanical property are improved, and the organic silicon layer and the polypropylene layer coated on the surface of the talcum powder can enable light to be refracted and penetrated for multiple times, so that the light dispersion effect and the dodging and light transmission effects are improved.

Method for generating a frequency-modulated transmit signal (8) for a transmitting device (5) of a detection device (2) for transmitting the frequency-modulated transmit signal (8) into an environment (3) of the detection device (2), comprising the steps: - Generating a frequency comb (11) using an optical mode-locked source (10) of the transmitting device (5); - Filtering of at least one frequency line (12) in the generated frequency comb (11) by means of a first optical filter device (13) of the transmitting device (5); and - Generating the frequency-modulated transmit signal (8) by means of a photodiode (14) of the transmitting device (5) as a function of the filtered frequency comb (15), wherein the frequency-modulated transmit signal (8) is generated proportionally to the frequency difference to the filtered frequency line (12), wherein at least two frequency lines (12) are brought closer together by means of an optical dispersive element (18) of the transmitting device (5) or at least two frequency lines (12) are pulled further apart by means of an optical dispersive element (18) of the transmitting device (5), wherein the dispersive element (18) is arranged in the beam path after the first optical filter device (13) or the dispersive element (18) is arranged in the beam path before the first optical filter device (13).

This invention relates to the field of LED packaging technology, specifically to an LED packaging structure with same-side die bonding. Multiple first and second chips are respectively disposed in a first mounting area and a second mounting area on opposite sides of a substrate, and electrical connections are achieved using a circuit layer. This avoids the limitation on the size of the first chip that can be mounted when the first and second chips are arranged on the same side of the substrate, as is the case with traditional methods. By concentrating multiple first chips used for light mixing in the first mounting area on the same side of the substrate, the light-emitting area is more concentrated. Simultaneously, the wire bonding distance is significantly shortened, the number of wires is reduced, and sufficient space is freed up to install larger-sized light-emitting chips, thereby effectively improving the overall brightness. It also avoids the light dispersion phenomenon caused by the mixing of chips and ICs in traditional solutions. Combined with short-pitch circuit connections, it improves the mixing consistency of different colors of light, further enhancing the electrical reliability and optical performance of the packaging structure.

The utility model relates to the technical field of lighting equipment, and discloses a horizontal light scattering LED lamp which comprises a lamp shell, an LED lamp body is installed at the bottom end of the lamp shell, an LED main control board is installed in the lamp shell, supporting strips are fixedly connected to the two sides and the two ends of the front end of the lamp shell, light barriers are arranged outside the supporting strips, and the light barriers are connected with the LED main control board. The inner side of the light barrier is fixedly connected with a light scattering piece, the light barrier is fixedly connected with a C-shaped buckle, a positioning bolt is installed on the C-shaped buckle, and heat dissipation openings are formed in the two sides of the lamp shell. According to the LED lamp capable of horizontally dispersing light, the horizontal heat dissipation effect of the lamp is improved through the light dispersing cover, the light barrier outside the lamp shell can be adjusted according to the heat dissipation requirement, during adjustment, the light barrier is rotated to a proper installation angle firstly, the C-shaped buckles on the light barrier rotate on the supporting strips, then the light barrier can be positioned by rotating and tightening the positioning bolts, and therefore the light dispersion effect is improved. The light barrier can be directly detached from the supporting strip, and the problem that the horizontal light scattering effect is poor is solved.

The utility model belongs to the technical field of water cups, and particularly discloses a double-layer water cup with a built-in acousto-optic function, which comprises an outer-layer shell, an inner-layer container body is arranged on the inner side of the outer-layer shell, the outer-layer shell is detachably connected with the inner-layer container body, and a light-emitting component is arranged in the outer-layer shell; the light-emitting assembly comprises a light-emitting source, the light-emitting source is arranged at the bottom of the outer-layer shell, one end of the light-emitting source is connected with a plurality of light guide columns, the tops of the light guide columns are connected with acrylic light guide plates, and the outer wall of each acrylic light guide plate is provided with shading aluminum foil. According to the utility model, through the combined design that the bottom luminous source is matched with the light guide column and the acrylic light guide plate, the light is uniformly conducted to the hollow pattern area of the outer-layer shell by utilizing a total reflection principle, so that the problems of local over-brightness and dim edge caused by light dispersion of the traditional SMD LED are avoided; the shading aluminum foil further restrains the light path to ensure complete shadow coverage and consistent brightness.

A system and method are provided for spectral shaping of light from a broadband source including multiple wavelengths. The system includes a beam splitter (BS) to receive and transmit an input beam, a dispersive element to disperse the input beam into dispersed beams separated by wavelength, and optic-elements to direct the dispersed beams onto a spatial light modulator (SLM). The SLM selectively modulates the dispersed beams reflected from the SLM, and the optic elements transmit a 0th-order of the reflected light through the dispersive element, which recombines the beams to form a reflected beam directed toward the BS. The BS separates the reflected beam from the input beam and directs it to an optical output of the system. The SLM includes multiple electrostatically deflectable reflective ribbons suspended over a reflective surface of a substrate, wherein the ribbons are separated by a distance equal to a width of the ribbons.

An example imaging component can include: a light dispersing element or light dispersing portion that is configured to split an incident light beam into a plurality of secondary light beams, wherein each of the plurality of secondary light beams is associated with a particular wavelength; a plurality of lenses that are each configured to collimate and direct one of the plurality of secondary light beams along a respective optical path within the imaging component; and a recombining element or recombining portion comprising a plurality of pickoff mirrors that is configured to: (i) recombine the plurality of secondary light beams into a recombined light beam, and (ii) direct the recombined light beam to an image sensor.

1. The name of the design product: intelligent holder (double-axis stable U-shaped). 2. The use of the design product: the design product is used for long-distance strong sound and strong light dispersion in the security field, and for monitoring and transmitting sound and video image content. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The invention discloses an optical monomer and a preparation method and application thereof, the structural general formula of the optical monomer is shown in the specification, R is a sulfur-containing group, and the sulfur-containing group is selected from one of the following groups: C2-C5 alkyl substituted by at least two sulfur, phenyl substituted by two sulfur, biphenyl substituted by two sulfur and naphthyl substituted by two sulfur. According to the optical monomer provided by the invention, thioether bonds existing in molecules greatly increase the electron cloud density and polarizability in unit volume, and the refractive index of the optical monomer is improved; a sulfur heterocyclic structure in the optical monomer can effectively improve the rigidity of the whole compound and improve the toughness of molecules; thioether bonds do not have characteristic absorption in visible light and near-infrared regions, influence on dispersion of visible light is small, transparency of the whole compound can be improved, and the Abbe number of the optical monomer is increased; the sulfydryl groups at the two ends of the molecule in the optical monomer can be used as reactive functional groups to react with other active functional groups such as isocyanate groups.

The present application belongs to the technical field of spectral analysis optical instrument, disclose a kind of monochromator of controllable output light beam and programmable control method, to solve the problem of slow response, low precision, poor flexibility of existing monochromator relying on mechanical adjustment.The monochromator includes incident optical unit, spectrometer unit, imaging coupling unit and programmable control output unit arranged in order along the direction of light beam transmission;Incident optical unit is used to input matched polychromatic light beam, spectrometer unit is used to disperse polychromatic light into spatially separated monochromatic light beam, imaging coupling unit is used to focus and couple different wavelength light beam to corresponding light beam channel, and programmable control output unit is used to control the on-off, power and timing of each fiber channel independently.The present application has no mechanical moving parts, and can realize programmable output of monochromatic light with specific wavelength, specific power and specific timing, with fast response speed, high precision and high integration.

This invention relates to the field of liquid crystal display technology, and more particularly to a liquid crystal composition and its application. The liquid crystal composition provided by this invention contains a diacetyl group compound, which, while exhibiting low light dispersion and high transmittance, also possesses excellent properties such as low rotational viscosity, high elastic constant, good low-temperature miscibility, and fast response speed. It can be used in fast-response liquid crystal displays of various display modes, and can significantly improve the display effect of liquid crystal displays when applied to VA, IPS, or FFS mode displays, especially suitable for IPS and FFS mode liquid crystal displays.

The present application relates to a kind of large aperture transmission type optical lens surface precision temperature control method and optical lens, solve the technical problem that existing technology exists local hot spot when lens surface is plated ITO heating film and is heated, cause the local thermal deformation of lens glass, thereby lead to thermal light dispersion, affect the imaging quality.The present application includes lens assembly, ITO conductive film, auxiliary voltage regulating heater and light shield;ITO conductive film is divided into conductive channel, pad is set at the intersection of the center line of conductive channel and ITO conductive film, auxiliary voltage regulating heater is connected with pad, for the conductive channel outer auxiliary resistance;Because the sum of channel resistance and auxiliary resistance is equal, the current on each conductive channel is equal;Temperature control thermistor is provided at the edge of the surface of lens assembly, for collecting and monitoring the temperature change of lens when heating, according to the temperature data collected, the voltage of additional is controlled, the temperature level control of lens surface is realized.

The spectroscopic device may includes: a correction light source; an optical filter that transmits a light ray of a specific wavelength band among light rays from the correction light source; an entrance slit on which light of interest and correction light that has been emitted from the correction light source and has passed through the optical filter are incident; dispersion means for dispersing, into dispersion images for each wavelength, the light of interest that has passed through the entrance slit during measurement of the light of interest and the correction light that has passed through the entrance slit during wavelength correction; a light receiving sensor that receives the dispersion images; and arithmetic control means that, during the wavelength correction, obtains a shift amount of a light receiving position where the dispersion image based on the correction light is received from an initial position on the light receiving sensor and corrects wavelength.

The utility model relates to the technical field of display, in particular to a display device. The display device provided by the utility model comprises a liquid crystal display, a first polaroid and a polarized light dispersion film which are sequentially stacked, the included angle between the stretching direction of the polarized light dispersion film and the polarization direction of the first polaroid is 45 + / -3 degrees. According to the display device, a fixed angle is formed between the stretching direction of the polarized light dispersion film and the polarization direction of the first polaroid, so that the optical effect of the polarized light dispersion film is improved, the polarization dispersion effect is good, and the dispersion effect is stable.

The lighting plant comprises a plant wall body, a lighting roof installed on the upper portion of the plant wall body and a steel structure frame body used for supporting and connecting the plant wall body and the lighting roof. According to the whole plant, sufficient lighting in the plant is guaranteed through light-transmitting glass, high-transmittance glass embedded in the surface of the light supplementing top cover, a light scattering window installed in the light supplementing top cover, a light scattering plate used for assisting in sunlight scattering and a light-transmitting plate used for further scattering light rays, and the light-transmitting glass, the high-transmittance glass, the light scattering window, the light scattering plate and the light-transmitting plate are arranged; light rays are rapidly dispersed after entering the plant through cooperation of light-transmitting glass, high-transmittance glass, a light-scattering window, a light-scattering plate and a light-transmitting plate, the whole plant is supported and connected only through two sets of supporting steel frames, and the auxiliary supporting steel frames are used for supporting and connecting a mounting plate, a stress plate and the light-transmitting plate which are used for assisting light ray light scattering. Intervention of a steel structure is greatly reduced while internal lighting of the plant is improved, the whole plant is light, and the building convenience of the plant is greatly improved.

Optical spectrometers may be used to determine the spectral components of electromagnetic waves. Spectrometers may be large, bulky devices and may require waves to enter at a nearly direct angle of incidence in order to record a measurement. What is disclosed is an ultra-compact spectrometer with nanophotonic components as light dispersion technology. Nanophotonic components may contain metasurfaces and Bragg filters. Each metasurface may contain light scattering nanostructures that may be randomized to create a large input angle, and the Bragg filter may result in the light dispersion independent of the input angle. The spectrometer may be capable of handling about 200 nm bandwidth. The ultra-compact spectrometer may be able to read image data in the visible (400-600 nm) and to read spectral data in the near-infrared (700-900 nm) wavelength range. The surface area of the spectrometer may be about 1 mm2, allowing it to fit on mobile devices.

1. The name of the design product: intelligent holder (compound eye type multi-angle multifunctional). 2. The use of the design product: the design product is used for long-distance strong sound and strong light dispersion in the security field, and for monitoring and transmitting sound and video image content. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The invention provides a spectral measurement system and method based on wavelength space, and the system comprises a light source module which is used for generating light of a continuous spectrum; the light equalizing module is used for carrying out light equalizing treatment on the light generated by the light source module so as to output uniform light; the dispersion module is used for decomposing the uniform light output by the light equalizing module into spectrums arranged according to wavelengths; and the imaging module is used for imaging the spectrum obtained by decomposition of the dispersion module so as to form a light spot with spatial wavelength gradient distribution, and extracting position wavelength information of the spectrum from the light spot. Light equalizing processing is carried out through the light equalizing module, so that the imaging precision of subsequent spectrums is ensured; light is decomposed into spectrums arranged according to wavelengths through the dispersion module, and light spots with spatial wavelength gradient distribution are formed through the imaging module, so that position wavelength information of the spectrums is obtained, a result can be visually analyzed by using the position wavelength information, and the spectral measurement efficiency is effectively improved; the problems that an existing spectral measurement method is low in efficiency, poor in precision and not visual in result are solved.

Various example embodiments of a multi-input coherent optical receiver are presented. The multi-input coherent optical receiver may be configured to support coherent detection of light from a set of multiple spatially separated optical input fibers. The multi-input coherent optical receiver may be configured to support coherent detection of light from a set of multiple spatially separated optical input fibers based on use of an optical hybrid array, dispersive optics, and an optical detector array, where the optical hybrid array is configured to produce optical hybrid output light by superposing local oscillator light with the light of the plurality of optical input channels, the dispersive optics are configured to disperse the optical hybrid output light into spectral channels that are spectrally and spatially separated, and the optical detector array is configured, for each respective spectral channel of the spectral channels, to detect optical hybrid output light of the respective spectral channel.

This invention discloses a high Abbe number, medium refractive index polycarbonate resin, its preparation method, and its applications. The polycarbonate resin comprises structural units represented by general formula (A). The polycarbonate of this invention exhibits a high Abbe number and medium refractive index, high light transmittance, and significantly reduced birefringence, thus solving the stress rainbow effect problem caused by light dispersion in the material, and has promising industrial application prospects.

The utility model relates to an LED projection type lamp module suitable for a tricycle, which belongs to the technical field of tricycle lamps and comprises a light source component, a lens for refraction is mounted on the light source component, the light source component comprises an LED circuit board, an optical conductor for light diffusion is mounted on the LED circuit board, the lens is connected onto the optical conductor, and the lens is connected onto the optical conductor. The LED light source has the advantages that the LED light source is simple in structure and convenient to assemble; a traditional reflection bowl structure condensation principle is changed, and the service life of a product is prolonged; and the national energy-saving and environment-friendly requirements are met.

The application discloses a color separation one-to-two light waveguide display device based on a cascade waveguide, which comprises a light engine, a color separation optical assembly, a cascade waveguide assembly and a dispersion compensation structure. The light engine generates input image light containing at least two color channels, and the color separation optical assembly separates the input image light into a first color channel light beam and a second color channel light beam. The cascade waveguide assembly comprises a first waveguide plate and a second waveguide plate stacked together, and each waveguide plate is provided with an entrance pupil grating, an expansion pupil grating and an exit pupil grating which are symmetrically arranged on the left and right sides of the entrance pupil grating, each color channel light beam is diffracted by the entrance pupil grating to form a transmission light propagating to the left and right, and the transmission light is diffracted by the expansion pupil grating and the exit pupil grating to form left and right output lights. The dispersion compensation structure is arranged between adjacent waveguide plates to compensate for the position and angle deviation of different color channel light beams. The application realizes one-to-two binocular full-color display through a single light engine, reduces the cost and power consumption, and reduces the influence of dispersion on display quality.

Reading data stored on an optical fiber medium includes receiving an optical fiber having data stored thereon in a light-affecting format, guiding the optical fiber through a readback guide system causing a length of the optical fiber to align with an axis, directing light through at least a portion of the optical fiber, the light producing an observable light dispersion pattern based on the light-affecting data stored on the optical fiber, observing the light dispersion pattern as a manner of reading the stored data of the optical fiber, determining the stored data based on the observing the light dispersion pattern, and outputting the determined stored data to a host.

A kind of method and device for switching of car light high-low light, independently controlled low light source and high light source are respectively arranged to carry out illumination, when carrying out low light illumination, independently open low light source, form low light illumination light line.High light source light line is deflected by high light source deflection lens and is irradiated on main lens to reduce the dark area between low light source and high light source, when carrying out high light illumination, low light source and high light source are simultaneously opened, the light line emitted by low light source and the light line emitted by high light source are fused by main lens, form high light illumination light line and carry out illumination.The beneficial effects of the present application are: using high light deflection design, the problem of single-lens high-low light spot not coinciding can be effectively solved.It uses lens to deflect high light source, eliminates the influence of dark area as far as possible, so that low light source and high light source can be effectively fused.On this basis, high light source eliminates halo caused by light dispersion by refraction and light path shielding.

An optical fiber filter has an ultra-wide tuning range and includes a two-dimensional mechanical rotating mirror, a collimating and beam expanding system, and two gratings. An input fiber emits a multi-wavelength optical signal into the rotating mirror, which reflects the signal to the system to form collimated beams. In turn, the collimated beams are incident on the gratings that disperse the light of different wavelengths to different angles. Lights of different diffraction angles are input into an output fiber by adjusting the rotating mirror. The rotating mirror can be used to switch between gratings of different wavebands to tune optical wavelengths in an ultra-wide range.

The invention discloses a preparation method of a prismatic grid, the prismatic grid and a micro-spectrometer with the prismatic grid. The preparation method of the edge grid comprises the following steps: forming a patterned mask on a first surface of a substrate; forming a metasurface, wherein the metasurface is provided with a plurality of micro-nano structures; filling the space between the micro-nano structures with a filling body for protecting the micro-nano structures; the base body is cut into BAR strips; grinding the cutting surfaces on the two sides of the BAR strip to form prism surfaces; and cutting the prism grid bar with the metasurface and the prism face into a prism grid with the metasurface. According to the preparation method of the edge grating, the surface of the substrate is processed to form the metasurface, the substrate is cut into the BAR strips, the two sides of the cutting face are ground into the edge grating design angles through the leaning jig, and finally the edge grating is cut into the single light splitting devices, so that batch production is achieved, the production efficiency is improved, and the part cost of the light dispersion device is effectively reduced; and the micro-spectrum is introduced into the traditional wearing industry.